Air Quality Monitoring Systems Market

The global air quality monitoring systems market is projected to reach USD 13.86 billion by 2031 from USD 9.61 billion in 2026, growing at a CAGR of 7.4% during the forecast period. An increase in government intervention to address air pollution management issues, rising awareness of the health risks associated with poor air quality, and the growing trend of industrialization and urbanization are major drivers of growth in the air quality monitoring system market. Favorable environmental laws and emission management policies adopted by various countries are driving increased adoption of air quality monitoring systems across the commercial, industrial, and domestic sectors. In addition, rapid advancements in smart city technologies are contributing to market growth.

The air quality monitoring systems business is highly competitive, with both established companies and newcomers vying for market share. As of 2026, the key players operating in the global air quality monitoring systems market are Thermo Fisher Scientific (US), 3M (US), Siemens (Germany), Teledyne Technologies (US), and GE Power (US), among others.

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Thermo Fisher Scientific (US)

Thermo Fisher Scientific is a global provider of analytical instruments, laboratory equipment, software solutions, reagents, and consumables for research, industrial, healthcare, and environmental applications.

The company operates through four major business segments: Life Sciences Solutions, Analytical Instruments, Specialty Diagnostics, and Laboratory Products & Services. Thermo Fisher Scientific offers air quality monitoring systems and environmental monitoring solutions primarily through its Analytical Instruments segment. Its portfolio includes ambient air monitoring instruments, gas analyzers, particulate monitoring systems, and continuous emissions monitoring solutions for environmental compliance, industrial emissions monitoring, and pollution control. The company has a strong global presence with operations in more than 75 countries.

Siemens AG (Germany)

Siemens AG is one of the leading companies operating in the electronics, electrical engineering, automation, and digitalization industries. The company provides a broad range of products, solutions, and services for industrial, infrastructure, mobility, healthcare, and environmental applications.

Siemens AG operates through multiple business segments, including Digital Industries, Smart Infrastructure, Mobility, Siemens Healthineers, and Siemens Financial Services (SFS). The company offers air quality monitoring solutions primarily through its Smart Infrastructure and Digital Industries business segments. Under the Smart Infrastructure segment, Siemens provides air quality sensors and building automation solutions for indoor air quality management in commercial and residential buildings. Through the Digital Industries segment, the company offers extractive and in situ continuous process gas analyzers and continuous emission monitoring systems (CEMS) for industrial emission monitoring and environmental compliance applications. Siemens AG has a strong global presence across Europe, the Americas, Asia Pacific, and the Middle East & Africa, with operations in more than 190 countries.

Teledyne Technologies (US)

Teledyne Technologies provides electronic components, instrumentation, digital imaging products, and engineered systems for applications across environmental monitoring, aerospace & defense, industrial automation, marine research, medical imaging, and energy industries.

Teledyne operates through four major business segments: Instrumentation, Digital Imaging, Aerospace & Defense Electronics, and Engineered Systems. The company offers air-quality monitoring solutions through the Environmental Instrumentation subsegment of its Instrumentation division. The company has a strong global presence, with sales and distribution operations in more than 100 countries. Its primary research and development center is located in Thousand Oaks, California. Some of the company’s major subsidiaries include GMI Group Holdings Limited (UK), IST Oldham Instruments India Private Limited (India), and IST Fire & Gas DMCC (UAE), among others.

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Air Quality Monitoring Systems Market by Product (indoor, outdoor, fixed, portable, wearable), Pollutant (SOX, NOX, VOC, PM 2.5, PM 10, biological), Sampling (manual, stack), End User (govt, petrochemical, residential, smart city) - Global Forecast to 2031

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