Air Quality Sensor Market Expected to Reach $12.4 Billion by 2034

According to a new report published by Allied Market Research, titled, “Air Quality Sensor Market, by Type, Deployment, and Industry Vertical: Global Opportunity Analysis and Industry Forecast, 2025-2034," The air quality sensor market size was valued at $5.7 billion in 2024, and is estimated to reach $12.4 billion by 2034, growing at a CAGR of 8.3% from 2025 to 2034.

Air quality sensors are devices designed to monitor and measure the concentration of pollutants in the air. These sensors can detect a variety of harmful substances, including particulate matter (PM2.5 and PM10), carbon monoxide (CO), sulfur dioxide (SO2), nitrogen dioxide (NO2), ozone (O3), and volatile organic compounds (VOCs). By providing real-time data on air quality, these sensors help individuals, communities, and governments make informed decisions to protect public health and the environment.

Air quality sensors come in various forms, from portable handheld devices to fixed installations in urban areas. They are crucial for identifying pollution sources, assessing the effectiveness of air quality regulations, and raising awareness about air pollution. With advancements in technology, modern sensors are becoming more accurate, affordable, and accessible, making it easier to monitor air quality on a larger scale.

The increasing awareness of the health impacts of poor air quality is a major opportunity for the air quality sensor market growth. Governments and private sectors are investing heavily in air quality monitoring technologies to combat rising pollution levels in urban areas. The integration of air quality sensors into smart city initiatives is another promising opportunity. These sensors provide real-time data, enabling better environmental management and improving the quality of life for urban residents. Additionally, advancements in sensor technology are making these devices more accurate, affordable, and accessible, further driving air quality sensor market trends.

The increasing pollution levels due to urbanization, industrial activities, and vehicle emissions are one of the prime factors driving the growth of the air quality sensor market. This has led to a higher demand for air quality sensors to monitor and control pollutants. Stricter government regulations and air quality standards are also significant drivers. Regulatory bodies like the WHO and EPA are enforcing stringent air quality standards, compelling industries to adopt advanced monitoring systems. The growing public awareness about the health risks associated with air pollution is further driving the demand for air pollution sensors.

however, the high initial cost of installing advanced air quality monitoring systems can be a significant barrier, especially for small and medium-sized enterprises. Technical limitations such as accuracy, reliability, and the need for regular calibration add to the complexity and cost of these systems. Additionally, the lack of standardized data collection protocols can lead to compatibility issues, hindering the seamless integration of different monitoring systems. Public awareness about the benefits of air quality sensors, particularly for personal use, is still limited in certain regions, which can affect market penetration.

Further, according to the air quality sensor market analysis, the market is categorized across various segments that impact the market growth. The major segment profiled in the air quality sensor market are gas sensors, indoor monitoring systems, and the commercial segment. 

The gas sensor segment is the largest in the air quality sensor market due to its wide range of applications in detecting harmful gases such as carbon monoxide (CO), nitrogen dioxide (NO2), sulfur dioxide (SO2), and volatile organic compounds (VOCs). These gases are common pollutants in both indoor and outdoor environments, making gas sensors essential for comprehensive air quality monitoring. Regulatory compliance requirements also drive this segment, as bodies like the WHO and EPA enforce stringent air quality standards, compelling industries, and commercial establishments to adopt advanced gas monitoring systems.

The indoor segment of the air quality sensor market is experiencing significant growth, driven by the increasing awareness of indoor air pollution and its impact on health. Indoor air quality sensors are widely used in residential buildings, schools, and public facilities to monitor and control pollutants such as particulate matter (PM2.5 and PM10), carbon dioxide (CO2), and volatile organic compounds (VOCs). The demand for these sensors is further fueled by the rise in smart home technologies and the integration of air quality monitoring systems with HVAC systems to ensure optimal indoor air quality.

The commercial segment dominates the market owing to the rising adoption of air quality monitoring systems in office buildings, shopping malls, and healthcare facilities. This trend is driven by the need to ensure a healthy indoor environment for occupants and comply with stringent air quality standards. Commercial buildings often have high foot traffic and enclosed spaces, making air quality monitoring crucial for maintaining a safe and comfortable environment. The implementation of air quality sensors in these settings helps in detecting and mitigating pollutants, thereby enhancing the overall well-being of employees, customers, and patients.

The Asia-Pacific region dominated the air quality sensor market share, due to rapid industrialization, urbanization, and increasing government initiatives to monitor and control air pollution. The region's economic growth has resulted in higher pollution levels, necessitating the adoption of air quality sensors to manage and mitigate the impact of industrial activities. Government initiatives and policies aimed at improving air quality have further propelled the demand for air quality sensors in this region. Growing awareness of air quality issues among the public and the implementation of stringent environmental regulations have also contributed to the market's growth.

KEY FINDINGS OF THE STUDY

• By type, the gas sensor segment accounted for the major share in the air quality sensor market in 2024, due to its increasing adoption across various industries for monitoring emissions and ensuring safety.

• By industry vertical, the commercial segment dominated the market and is expected to follow the same trend in the coming years, driven by the growing focus on maintaining indoor air quality for productivity and health.

• Based on region, Asia-Pacific is the largest segment in the air quality sensor industry, driven by rapid industrialization, urbanization, and stringent environmental regulations.

Competitive analysis and profiles of the major global air quality sensor market players that have been provided in the report include Honeywell Analytics, LLC, Siemens A.G., Figaro Engineering Inc., Airthings AS, Sensirion AG, eLichens, TSI Incorporated, Infineon Technologies AG, and Texas Instruments Incorporated.