Air Quality Sensor Sales

Air Quality Sensor Sales Market Outlook

The global air quality sensor market is anticipated to reach USD 4.5 billion by 2035, growing at a CAGR of 10.2% from 2025 to 2035. This growth is propelled by increasing awareness about the harmful effects of air pollution on health, coupled with stringent government regulations mandating air quality monitoring in various sectors. The rising prevalence of respiratory diseases has led to heightened demand for effective air quality monitoring systems. Furthermore, advancements in sensor technologies and the integration of IoT (Internet of Things) in air quality monitoring are expected to bolster market growth. The market is also supported by increasing urbanization and the need for smart city initiatives that leverage air quality sensors for real-time monitoring and data analysis.

Growth Factor of the Market

The growth of the air quality sensor market is significantly influenced by the expanding public awareness regarding air pollution and its severe health implications. As urban areas face escalating pollution levels due to industrial emissions and vehicular traffic, the demand for sophisticated air quality monitoring solutions has surged. Additionally, government bodies are increasingly implementing regulations to track air quality, ensuring compliance with environmental standards. The rise of smart cities, which prioritize sustainable living and environmental protection, further drives the need for reliable air quality sensors. Furthermore, technological advancements in sensor designs, such as miniaturization and improved accuracy, are making air quality monitoring more accessible and effective, appealing to both consumers and industries alike.

Key Highlights of the Market

• The global air quality sensor market is expected to witness a robust growth trajectory with an increasing focus on health and environmental sustainability.
• Technological advancements, including IoT integration, are enhancing the functionality and reliability of air quality sensors.
• Government regulations and initiatives aimed at reducing air pollution are boosting the demand for air quality monitoring systems.
• Portable air quality sensors are gaining traction among consumers for personal use and outdoor activities.
• Regions like North America and Europe are leading the market due to advanced technological infrastructure and stringent environmental policies.

By Product Type

Portable Air Quality Sensors:

Portable air quality sensors are increasingly popular due to their ease of use and accessibility for individual users. These compact devices enable users to monitor air quality on-the-go, providing real-time data about pollutants such as PM2.5, PM10, CO2, and volatile organic compounds (VOCs). The convenience of portability makes them suitable for various applications, including outdoor activities, travel, and personal health monitoring. With rising health consciousness and the need for personal air quality management, the demand for portable air quality sensors is projected to grow significantly. Technological enhancements, such as battery life improvements and smartphone connectivity, further enhance the appeal of these devices.

Fixed Air Quality Sensors:

Fixed air quality sensors are essential for continuous monitoring in specific locations, such as industrial sites, urban areas, and residential buildings. These sensors offer persistent data collection, allowing for long-term analysis of air quality trends. They are crucial for compliance with regulatory standards, as they provide comprehensive data necessary for environmental assessments. Fixed sensors are often integrated into broader air quality monitoring systems, which include data analytics tools for real-time reporting and alerts. As industries face increasing scrutiny over their environmental impact, the demand for fixed air quality sensors is expected to rise, driven by regulatory compliance and corporate responsibility initiatives.

Wearable Air Quality Sensors:

Wearable air quality sensors represent a novel approach to monitoring personal exposure to air pollutants. These small devices can be worn on the body or integrated into clothing, tracking exposure levels throughout daily activities. The growing emphasis on health and wellness, particularly in urban environments with high pollution, is driving interest in wearable technology. These sensors provide users with personalized data and alerts, enabling proactive health management. As technology continues to evolve, the accuracy and functionality of wearable air quality sensors are expected to improve, further enhancing their attractiveness to consumers who are conscious of air quality and its health effects.

Indoor Air Quality Monitors:

Indoor air quality monitors focus on evaluating and maintaining air quality within buildings, which is critical for occupant health and comfort. These monitors track various indoor pollutants, including CO2, VOCs, and particulate matter, providing essential data to building managers and homeowners. The rising awareness of indoor air quality issues, especially post-pandemic, has amplified the demand for these monitors. As people spend more time indoors, particularly in urban settings, the need for effective ventilation and air purification systems has become paramount. Consequently, the indoor air quality monitor segment is poised for substantial growth, supported by advancements in smart home technologies and building management systems.

Outdoor Air Quality Monitors:

Outdoor air quality monitors are essential for assessing the air quality in public spaces, urban areas, and industrial zones. These devices collect data on various pollutants and provide insights into environmental health and safety. The need for outdoor monitoring is driven by increasing urbanization and industrial activities that contribute to air pollution. Municipalities and governments are investing in outdoor air quality monitoring networks to ensure compliance with environmental regulations and to inform the public about air quality status. The growing emphasis on environmental protection and sustainable urban planning will continue to enhance the demand for outdoor air quality monitors, making them a critical component of air quality management strategies.

By Application

Industrial Air Quality Monitoring:

Industrial air quality monitoring is crucial for ensuring that industrial facilities comply with environmental regulations and maintain a safe working environment. These applications utilize advanced sensors to detect emissions such as toxic gases, particulate matter, and volatile organic compounds. Companies are increasingly adopting monitoring systems to mitigate environmental impact and ensure worker safety, thus driving the need for reliable industrial air quality sensors. As industries face heightened scrutiny from regulators and the public, the demand for robust monitoring solutions will continue to increase. Furthermore, the integration of real-time data analytics enables proactive management of air quality, thereby enhancing operational efficiency and compliance.

Environmental Monitoring:

Environmental monitoring encompasses a broad spectrum of applications, including assessing air quality in natural settings and urban areas. This application is critical for understanding the effects of environmental changes, such as climate change and urbanization, on air quality. Sensors used in environmental monitoring help track trends in pollutant levels over time, providing valuable data for researchers and policymakers. As governments and organizations prioritize environmental protection, the demand for comprehensive environmental monitoring solutions is expected to grow. Enhanced data collection methodologies and improved sensor technology will enable better insights into air quality dynamics, further driving the market.

Indoor Air Quality Monitoring:

Indoor air quality monitoring is increasingly recognized as essential for maintaining healthy living and working environments. With growing concerns over the impact of poor indoor air quality on health, many households and organizations are investing in monitoring solutions. These systems help detect pollutants such as allergens, mold spores, and chemical emissions from household products. The trend towards healthier indoor environments, driven by factors such as wellness movements and regulations, supports the growth of this application segment. As technology advances, more integrated solutions that combine air quality monitoring with HVAC systems are emerging, providing efficient ways to improve indoor air quality.

Smart City Air Quality Monitoring:

Smart city initiatives leverage technology to improve urban living conditions, including air quality management. Air quality monitoring systems are integrated into the urban infrastructure, providing real-time data to city planners and residents. By utilizing a network of sensors throughout the city, municipalities can identify pollution hotspots and implement targeted strategies to reduce emissions. The growing trend of smart cities emphasizes sustainability and public health, driving the demand for comprehensive air quality monitoring solutions. As cities become more technologically advanced, the integration of air quality sensors into urban planning will be a key focus area, promoting healthier urban environments.

Occupational Safety and Health Monitoring:

Occupational safety and health monitoring is vital in sectors where workers are exposed to hazardous air quality conditions. Industries such as manufacturing, construction, and mining require stringent monitoring to protect employee health and comply with safety regulations. Air quality sensors used in these applications provide continuous data on harmful pollutants, enabling quick responses to potential health risks. The growing emphasis on workplace safety and the well-being of employees will drive the demand for effective monitoring systems. Additionally, advancements in sensor technology enhance the accuracy and reliability of occupational air quality monitoring, further encouraging its adoption across various sectors.

By Distribution Channel

Online Retail:

Online retail has emerged as a significant channel for distributing air quality sensors, catering to a diverse customer base. The convenience of online shopping allows consumers and businesses to easily compare products, read reviews, and access a wider range of options than traditional retail outlets provide. E-commerce platforms offer extensive information and pricing comparisons, making them a popular choice for purchasing air quality monitoring devices. Additionally, online retailers often provide promotions and discounts, encouraging consumer purchases. The growth of e-commerce is expected to continue to support the air quality sensor market as more consumers turn to online platforms for their purchasing needs.

Offline Retail:

Offline retail remains a viable distribution channel for air quality sensors, particularly for consumers who prefer in-person shopping experiences. Physical stores enable customers to examine products before purchasing, providing a tactile experience that can influence buying decisions. Additionally, knowledgeable staff can offer assistance and recommendations, which is particularly beneficial for more complex products like air quality sensors. While online retail continues to gain traction, offline retail's ability to facilitate immediate purchases and provide personalized service ensures its ongoing relevance in the air quality sensor market. As consumers seek increased accessibility and support, offline retail will continue to play an important role in the distribution landscape.

By Technology

Electrochemical Sensors:

Electrochemical sensors are widely used in air quality monitoring due to their ability to detect a variety of gases with high sensitivity and specificity. These sensors operate by measuring the current produced during a chemical reaction between the target gas and an electrolyte solution. Their compact size, low power consumption, and cost-effectiveness make them popular for both portable and fixed air quality monitoring applications. As environmental regulations become stricter, the demand for electrochemical sensors is expected to rise, especially in industries that require precise monitoring of toxic gases. Advances in sensor technology continue to improve the accuracy and lifespan of electrochemical sensors, driving their adoption in diverse applications.

Optical Sensors:

Optical sensors use light to detect particulate matter in the air, making them effective tools for monitoring air quality. These sensors typically employ light scattering or absorption principles to quantify the concentration of pollutants such as PM2.5 and PM10. Optical sensors are favored for their high sensitivity and ability to provide real-time data, which is essential for timely decision-making in air quality management. The ongoing development of advanced optical technologies is enhancing the performance and reliability of these sensors. As governments and organizations increasingly prioritize air quality monitoring, the demand for optical sensors is expected to grow, especially in urban environments.

Laser Sensors:

Laser sensors represent a cutting-edge technology in air quality monitoring, offering exceptional precision for measuring particulate matter and other pollutants. These sensors utilize laser beams to accurately gauge the size and concentration of airborne particles. Their ability to provide high-resolution data makes them well-suited for applications requiring detailed air quality assessments. The high performance and accuracy of laser sensors make them ideal for use in research and industrial applications where precise measurements are critical. As the need for sophisticated air quality monitoring solutions continues to rise, laser sensors are expected to gain traction in various sectors, contributing to overall market growth.

Metal Oxide Sensors:

Metal oxide sensors are commonly used for detecting a range of gases, including harmful VOCs and other pollutants. These sensors operate by changing their electrical resistance in the presence of target gases, making them effective for air quality monitoring applications. Their robustness and relatively low cost make them suitable for both indoor and outdoor monitoring environments. As concerns about indoor air quality and VOC emissions increase, the demand for metal oxide sensors is expected to rise. Furthermore, ongoing advancements in sensor fabrication and material technology are enhancing the sensitivity and selectivity of these sensors, further supporting their application in diverse air quality monitoring solutions.

PID Sensors:

PID (Photoionization Detection) sensors are highly effective for detecting low levels of volatile organic compounds (VOCs) and other toxic gases in the air. These sensors utilize ultraviolet light to ionize gas molecules, allowing for precise measurements of gaseous pollutants. PID sensors are widely adopted in industrial applications and environmental monitoring due to their rapid response times and ability to detect a wide range of compounds. As regulatory frameworks surrounding air quality tighten, the demand for PID sensors is expected to increase, particularly in sectors that require stringent monitoring of VOC emissions. Their versatility and effectiveness make PID sensors a critical component in advancing air quality monitoring technologies.

By Region

The air quality sensor market is segmented geographically into regions such as North America, Europe, Asia Pacific, Latin America, and the Middle East & Africa. North America holds a significant share of the global market, primarily driven by stringent regulatory standards and increasing public awareness about air pollution’s impact on health. The region is expected to witness a CAGR of approximately 9.5% over the forecast period, as both governmental and private sectors invest in advanced air quality monitoring systems. The presence of leading manufacturers and technological advancements in sensor technology further bolster market growth in North America.

Europe follows closely, with a robust market for air quality sensors fueled by proactive environmental policies and initiatives aimed at improving air quality. The European market is characterized by high consumer awareness and investments in smart city infrastructure, which integrate air quality monitoring solutions. Additionally, Asia Pacific is projected to experience substantial growth, driven by rapid urbanization, industrialization, and increasing pollution levels in major cities. Countries such as China and India are focusing on implementing air quality monitoring systems to mitigate health risks associated with pollution, leading to significant market opportunities in the region. Overall, each region presents unique growth dynamics influenced by regulatory landscapes, technological advancements, and consumer awareness.

Opportunities

The air quality sensor market presents numerous opportunities for growth, particularly in the context of increasing urbanization and the rising public concern over air quality issues. The proliferation of smart city initiatives offers a substantial avenue for the deployment of advanced air quality monitoring systems, as cities worldwide are investing in technologies to enhance environmental sustainability. As urban populations continue to grow, the need for innovative solutions to track and manage air pollution becomes critical. Companies that focus on developing integrated sensor networks for real-time data collection and analysis are likely to benefit significantly from these trends, positioning themselves favorably in the market.

Moreover, the demand for air quality sensors in the residential sector is escalating, as consumers become more health-conscious and seek to monitor indoor air quality. The integration of air quality sensors with smart home systems and personal health devices enhances their appeal to consumers. As individuals increasingly prioritize wellness and seek tools to manage their living environments, companies can capitalize on this trend by offering user-friendly solutions. Additionally, innovative technologies, such as machine learning and artificial intelligence, can enhance data analytics capabilities, providing deeper insights into air quality trends and enabling more effective responses to pollution. These factors collectively create a fertile ground for growth in the air quality sensor market.

Threats

Despite the promising growth prospects of the air quality sensor market, several threats could hinder progress. One of the major challenges is the intense competition among manufacturers, leading to price wars that may impact profit margins. As new entrants continue to emerge with advanced technologies and competitive pricing, established players may find it challenging to maintain their market positions. Additionally, the rapid pace of technological advancements requires companies to invest heavily in research and development to stay relevant. Failing to adapt to changing market dynamics can result in a loss of market share to more innovative competitors. Furthermore, economic fluctuations and budget constraints in government spending may affect investments in air quality monitoring systems, limiting growth opportunities.

Another significant threat is the potential for regulatory changes that could impact the air quality sensor market. Stricter regulations may require higher compliance costs, which could deter smaller companies from entering the market. Conversely, lenient regulations may reduce the urgency for air quality monitoring, affecting overall demand. Moreover, the complexity of obtaining and maintaining regulatory approvals for air quality monitoring technologies can pose challenges for manufacturers. The combined effects of these threats necessitate that companies remain agile and adaptive to navigate the evolving landscape of the air quality sensor market effectively.

Competitor Outlook

• Aeroqual
• Honeywell International Inc.
• Siemens AG
• Thermo Fisher Scientific Inc.
• Teledyne Technologies Incorporated
• 3M Company
• Cambridge Sensors
• RKI Instruments, Inc.
• South Coast Air Quality Management District (SCAQMD)
• AirVisual (IQAir)
• Emerson Electric Co.
• Optical Sensors Inc.
• AirMonitors Ltd.
• Enviro Technology Services Plc
• Qingdao Jimi Power Co., Ltd.

The competitive landscape of the air quality sensor market is characterized by a diverse range of players, including established multinational corporations and innovative start-ups. Major companies are focused on enhancing their product offerings through research and development, aiming to introduce advanced technologies that provide greater accuracy and reliability in air quality monitoring. Many are also pursuing strategic partnerships and collaborations to expand their market reach and develop comprehensive solutions that cater to specific industry needs. The competitive environment is dynamic, with companies continuously striving to differentiate themselves through unique product features, improved user experience, and enhanced customer support services.

Companies such as Honeywell International Inc. and Siemens AG are recognized leaders in the air quality sensor market, leveraging their extensive experience and technological expertise to deliver high-quality solutions. Honeywell, for instance, has developed a comprehensive portfolio of air quality sensors designed for various applications, including industrial and residential environments. The company's commitment to innovation and sustainability positions it well to address the growing demand for effective air quality monitoring solutions. Similarly, Siemens AG, with its strong focus on smart city initiatives, is actively developing integrated systems that enhance air quality management in urban settings, aligning with global sustainability goals.

Furthermore, new entrants and niche players are also making significant strides in the market, offering specialized sensors and innovative technologies. Companies like Aeroqual and AirVisual are gaining traction by focusing on portable and user-friendly air quality monitoring solutions that cater to health-conscious consumers. These firms are harnessing advancements in IoT and mobile connectivity to provide real-time air quality data to users, capitalizing on the growing trend of personal health monitoring. As the market evolves, competition will likely intensify, driving innovation and encouraging companies to adopt more customer-centric approaches to remain competitive.

• 1 Appendix

  • 1.1 List of Tables
  • 1.2 List of Figures

• 2 Introduction

  • 2.1 Market Definition
  • 2.2 Scope of the Report
  • 2.3 Study Assumptions
  • 2.4 Base Currency & Forecast Periods

• 3 Market Dynamics

  • 3.1 Market Growth Factors
  • 3.2 Economic & Global Events
  • 3.3 Innovation Trends
  • 3.4 Supply Chain Analysis

• 4 Consumer Behavior

  • 4.1 Market Trends
  • 4.2 Pricing Analysis
  • 4.3 Buyer Insights

• 5 Key Player Profiles

  • 5.1 Aeroqual
    • 5.1.1 Business Overview
    • 5.1.2 Products & Services
    • 5.1.3 Financials
    • 5.1.4 Recent Developments
    • 5.1.5 SWOT Analysis
  • 5.2 3M Company
    • 5.2.1 Business Overview
    • 5.2.2 Products & Services
    • 5.2.3 Financials
    • 5.2.4 Recent Developments
    • 5.2.5 SWOT Analysis
  • 5.3 Siemens AG
    • 5.3.1 Business Overview
    • 5.3.2 Products & Services
    • 5.3.3 Financials
    • 5.3.4 Recent Developments
    • 5.3.5 SWOT Analysis
  • 5.4 AirMonitors Ltd.
    • 5.4.1 Business Overview
    • 5.4.2 Products & Services
    • 5.4.3 Financials
    • 5.4.4 Recent Developments
    • 5.4.5 SWOT Analysis
  • 5.5 AirVisual (IQAir)
    • 5.5.1 Business Overview
    • 5.5.2 Products & Services
    • 5.5.3 Financials
    • 5.5.4 Recent Developments
    • 5.5.5 SWOT Analysis
  • 5.6 Cambridge Sensors
    • 5.6.1 Business Overview
    • 5.6.2 Products & Services
    • 5.6.3 Financials
    • 5.6.4 Recent Developments
    • 5.6.5 SWOT Analysis
  • 5.7 Emerson Electric Co.
    • 5.7.1 Business Overview
    • 5.7.2 Products & Services
    • 5.7.3 Financials
    • 5.7.4 Recent Developments
    • 5.7.5 SWOT Analysis
  • 5.8 Optical Sensors Inc.
    • 5.8.1 Business Overview
    • 5.8.2 Products & Services
    • 5.8.3 Financials
    • 5.8.4 Recent Developments
    • 5.8.5 SWOT Analysis
  • 5.9 RKI Instruments, Inc.
    • 5.9.1 Business Overview
    • 5.9.2 Products & Services
    • 5.9.3 Financials
    • 5.9.4 Recent Developments
    • 5.9.5 SWOT Analysis
  • 5.10 Honeywell International Inc.
    • 5.10.1 Business Overview
    • 5.10.2 Products & Services
    • 5.10.3 Financials
    • 5.10.4 Recent Developments
    • 5.10.5 SWOT Analysis
  • 5.11 Qingdao Jimi Power Co., Ltd.
    • 5.11.1 Business Overview
    • 5.11.2 Products & Services
    • 5.11.3 Financials
    • 5.11.4 Recent Developments
    • 5.11.5 SWOT Analysis
  • 5.12 Thermo Fisher Scientific Inc.
    • 5.12.1 Business Overview
    • 5.12.2 Products & Services
    • 5.12.3 Financials
    • 5.12.4 Recent Developments
    • 5.12.5 SWOT Analysis
  • 5.13 Enviro Technology Services Plc
    • 5.13.1 Business Overview
    • 5.13.2 Products & Services
    • 5.13.3 Financials
    • 5.13.4 Recent Developments
    • 5.13.5 SWOT Analysis
  • 5.14 Teledyne Technologies Incorporated
    • 5.14.1 Business Overview
    • 5.14.2 Products & Services
    • 5.14.3 Financials
    • 5.14.4 Recent Developments
    • 5.14.5 SWOT Analysis
  • 5.15 South Coast Air Quality Management District (SCAQMD)
    • 5.15.1 Business Overview
    • 5.15.2 Products & Services
    • 5.15.3 Financials
    • 5.15.4 Recent Developments
    • 5.15.5 SWOT Analysis

• 6 Market Segmentation

  • 6.1 Air Quality Sensor Sales Market, By Technology
    • 6.1.1 Electrochemical Sensors
    • 6.1.2 Optical Sensors
    • 6.1.3 Laser Sensors
    • 6.1.4 Metal Oxide Sensors
    • 6.1.5 PID Sensors
  • 6.2 Air Quality Sensor Sales Market, By Application
    • 6.2.1 Industrial Air Quality Monitoring
    • 6.2.2 Environmental Monitoring
    • 6.2.3 Indoor Air Quality Monitoring
    • 6.2.4 Smart City Air Quality Monitoring
    • 6.2.5 Occupational Safety and Health Monitoring
  • 6.3 Air Quality Sensor Sales Market, By Product Type
    • 6.3.1 Portable Air Quality Sensors
    • 6.3.2 Fixed Air Quality Sensors
    • 6.3.3 Wearable Air Quality Sensors
    • 6.3.4 Indoor Air Quality Monitors
    • 6.3.5 Outdoor Air Quality Monitors
  • 6.4 Air Quality Sensor Sales Market, By Distribution Channel
    • 6.4.1 Online Retail
    • 6.4.2 Offline Retail

• 7 Competitive Analysis

  • 7.1 Key Player Comparison
  • 7.2 Market Share Analysis
  • 7.3 Investment Trends
  • 7.4 SWOT Analysis

• 8 Research Methodology

  • 8.1 Analysis Design
  • 8.2 Research Phases
  • 8.3 Study Timeline

• 9 Future Market Outlook

  • 9.1 Growth Forecast
  • 9.2 Market Evolution

• 10 Geographical Overview

  • 10.1 Europe - Market Analysis
    • 10.1.1 By Country
      • 10.1.1.1 UK
      • 10.1.1.2 France
      • 10.1.1.3 Germany
      • 10.1.1.4 Spain
      • 10.1.1.5 Italy
  • 10.2 Asia Pacific - Market Analysis
    • 10.2.1 By Country
      • 10.2.1.1 India
      • 10.2.1.2 China
      • 10.2.1.3 Japan
      • 10.2.1.4 South Korea
  • 10.3 Latin America - Market Analysis
    • 10.3.1 By Country
      • 10.3.1.1 Brazil
      • 10.3.1.2 Argentina
      • 10.3.1.3 Mexico
  • 10.4 North America - Market Analysis
    • 10.4.1 By Country
      • 10.4.1.1 USA
      • 10.4.1.2 Canada
  • 10.5 Middle East & Africa - Market Analysis
    • 10.5.1 By Country
      • 10.5.1.1 Middle East
      • 10.5.1.2 Africa
  • 10.6 Air Quality Sensor Sales Market by Region

• 11 Global Economic Factors

  • 11.1 Inflation Impact
  • 11.2 Trade Policies

• 12 Technology & Innovation

  • 12.1 Emerging Technologies
  • 12.2 AI & Digital Trends
  • 12.3 Patent Research

• 13 Investment & Market Growth

  • 13.1 Funding Trends
  • 13.2 Future Market Projections

• 14 Market Overview & Key Insights

  • 14.1 Executive Summary
  • 14.2 Key Trends
  • 14.3 Market Challenges
  • 14.4 Regulatory Landscape

Segments Analyzed in the Report

The global Air Quality Sensor Sales market is categorized based on

By Product Type

• Portable Air Quality Sensors
• Fixed Air Quality Sensors
• Wearable Air Quality Sensors
• Indoor Air Quality Monitors
• Outdoor Air Quality Monitors

By Application

• Industrial Air Quality Monitoring
• Environmental Monitoring
• Indoor Air Quality Monitoring
• Smart City Air Quality Monitoring
• Occupational Safety and Health Monitoring

By Distribution Channel

• Online Retail
• Offline Retail

By Technology

• Electrochemical Sensors
• Optical Sensors
• Laser Sensors
• Metal Oxide Sensors
• PID Sensors

By Region

• North America
• Europe
• Asia Pacific
• Latin America
• Middle East & Africa

Key Players

• Aeroqual
• Honeywell International Inc.
• Siemens AG
• Thermo Fisher Scientific Inc.
• Teledyne Technologies Incorporated
• 3M Company
• Cambridge Sensors
• RKI Instruments, Inc.
• South Coast Air Quality Management District (SCAQMD)
• AirVisual (IQAir)
• Emerson Electric Co.
• Optical Sensors Inc.
• AirMonitors Ltd.
• Enviro Technology Services Plc
• Qingdao Jimi Power Co., Ltd.