Volume Insights on Air Quality Sensor Sector
The global air quality sensor sector volume projection was valued at 72.6 million units in 2024 and is projected to reach 196.0 million units by 2034, registering a CAGR of 10.6% from 2025 to 2034.
Volume Insights Strategic Overview
Allied Market Research announces the release of its comprehensive analysis of the global air quality sensor sector. Air quality sensors are becoming essential components in public health management, environmental monitoring, and smart infrastructure development. These sensors detect and measure pollutants such as particulate matter (PM2.5 and PM10), carbon dioxide (CO?), carbon monoxide (CO), nitrogen dioxide (NO?), and volatile organic compounds (VOCs), playing a vital role in assessing air quality in real time. With rising concerns about pollution and its impact on health, especially in urban and industrial areas, air quality sensors are increasingly integrated into both indoor and outdoor monitoring systems.
The report highlights a growing demand for compact, cost-effective, and high-accuracy sensors across applications such as smart homes, industrial facilities, transportation systems, and public infrastructure. Sector volume is being driven by a combination of stricter environmental regulations, rising public awareness about air quality, and government initiatives promoting sustainable urban development. Additionally, advancements in sensor miniaturization, wireless connectivity, and IoT compatibility are enabling the deployment of scalable, networked air quality monitoring systems in residential, commercial, and municipal environments.
The moderate yet consistent rise in adoption is attributed to factors such as the proliferation of smart city initiatives, increased adoption of air purification systems, and the growing importance of real-time data in decision-making for public safety, health, and environmental sustainability. These trends are expected to sustain long-term growth across both developed and emerging regions.
Segmental Air Quality Sensor Sector Volume Growth
Particle sensor dominates the air quality sensor sector sales with a 65.7% share in 2024 and has an 11.1% CAGR, while gas sensors and temperature sensors show strong growth at 10.2% and 7.8% CAGR respectively, fueled by increasing industrial applications, stringent environmental regulations, and the rising adoption of smart technologies in air quality monitoring systems.
The global volume of the air quality sensor sector by particle sensor is expected to grow from 47.7 million units in 2024 to 135.1 million units by 2034, registering a CAGR of 11.1% over the forecast period. This expansion is supported by the increasing demand for real-time pollution monitoring, the proliferation of smart city initiatives, and stricter air quality regulations across urban and industrial regions globally.
This expansion is supported by the increasing demand for real-time pollution monitoring, the proliferation of smart city initiatives, and stricter air quality regulations across urban and industrial regions globally. The driving factors behind this growth include the rising awareness of the health impacts of air pollution, advancements in sensor technology that enable more accurate and cost-effective monitoring solutions, and the integration of air quality sensors into smart home and building automation systems. Additionally, government policies and initiatives aimed at reducing air pollution and improving public health are further propelling the adoption of particle sensors. The growing trend of urbanization and industrialization, particularly in emerging economies, is also contributing to the increased deployment of air quality sensors to monitor and manage air quality in densely populated and industrial areas.
Air Quality Sensor Sector Volume Growth, By Region, 2024-2034 (Million Units)
Type | 2024 | 2034 | CAGR (2025-2034) |
Particle Sensor | 47.7 | 135.1 | 11.1% |
Gas Sensor | 17.8 | 46.2 | 10.2% |
Temperature Sensor | 7.1 | 14.7 | 7.8% |
Total | 72.6 | 196.0 | 10.6% |
Source: AMR Analysis
Regional Analysis Air Quality Sensor Sector Stakeholders
Asia-Pacific remains the largest contributor to the global air quality sensor sector, accounting for the highest volume share in 2024, driven by rapid industrialization, urban population growth, and heightened government efforts to monitor and control pollution across major economies such as China, India, Japan, and South Korea. The region’s ongoing investments in smart city projects, expanding transportation infrastructure, and stricter environmental regulations have accelerated the adoption of air quality monitoring systems across residential, commercial, and public spaces.
Moreover, local manufacturing capabilities, coupled with strong demand from both consumer electronics and industrial applications, continue to reinforce Asia-Pacific’s dominant position in the sector. Following Asia-Pacific, North America represents the second-largest regional segment, fueled by increasing awareness of indoor air quality, a growing emphasis on energy-efficient buildings, and regulatory initiatives by agencies such as the Environmental Protection Agency (EPA). The region is also witnessing rising integration of air quality sensors in smart HVAC systems, healthcare settings, and educational institutions. Europe follows closely, with its strong environmental policy frameworks and widespread adoption of smart technologies supporting steady growth. EU-led climate targets and public health mandates are promoting the deployment of advanced air quality monitoring solutions across urban and rural regions alike, reinforcing Europe's role in global sector expansion.
Air Quality Sensor Sector Volume Trends
The report also highlights the increasing importance of sustainable and intelligent air quality sensor technologies in supporting global efforts toward healthier environments and smarter infrastructure. With growing regulatory pressure to monitor and control air pollution—particularly in densely populated cities and industrial hubs—there is a rising emphasis on developing compact, low-power, and highly accurate sensors that can be seamlessly embedded in consumer electronics, industrial systems, HVAC units, and public monitoring stations.
Driven by the urgency to combat health risks linked to poor air quality, governments worldwide are implementing strict emission norms and funding large-scale deployment of air monitoring networks. This has led to increased demand for modular and scalable sensor platforms that provide real-time pollutant tracking. Innovations in material science, including the use of nanotechnology and MEMS (micro-electro-mechanical systems), are further enhancing sensor sensitivity and miniaturization.
Moreover, advancements in artificial intelligence, edge computing, and wireless connectivity are reshaping the air quality sensor sector. AI-enabled sensors can now process and analyze air composition on-site, enabling faster alerts, automated ventilation adjustments, and better integration with smart building systems. These intelligent solutions not only improve data accuracy but also lower operating costs by minimizing the need for centralized processing and manual intervention.
The study also explores how rapid urbanization, climate change concerns, and shifting consumer awareness are influencing the deployment of air quality sensors in both developed and emerging economies. Demand is especially strong in sectors such as healthcare, automotive cabin air monitoring, industrial safety, and residential smart appliances. Additionally, the integration of air quality sensors in wearables, smartphones, and portable devices is opening up new frontiers in personalized environmental monitoring.
As public interest in indoor air quality continues to rise post-pandemic, businesses are increasingly investing in air purification and monitoring solutions to ensure occupant safety and regulatory compliance. These trends are reinforcing the need for durable, affordable, and interoperable sensor solutions that can adapt to diverse environments and use cases.
Stakeholders across the air quality sensor sector are encouraged to leverage these insights to identify emerging growth pockets, anticipate policy shifts, and tailor their product and sector strategies to stay ahead in a rapidly evolving ecosystem.
About Allied Market Research
Allied Market Research is a full-service research and business consulting firm, that provides actionable insights and strategic recommendations to help clients make informed decisions and achieve sustainable growth. For more inquiries, please visit alliedmarketresearch.com.
About Allied Market Research
Allied Market Research is a full-service market research and business consulting firm, which provides actionable insights and strategic recommendations to help clients make informed decisions and achieve sustainable growth. For more inquiries, please visit alliedmarketresearch.com
