In addition, the need to constantly control and monitor gas emissions by various industrial processes creates more demand for gas sensors globally.

According to the researchers at Northeastern and Penn State University, wearable gas sensors for human health and environmental monitoring are expected to be commercially available in the coming years. These sensors use a self-heating mechanism that enhances sensitivity and allows for the quick reuse and recovery of the platform.

Trends shaping market growth

Miniaturisation, smart sensors, multi-gas sensing, IoT integration, and the development of new sensing technologies are key trends shaping the growth and development of the gas sensor industry. IoT-based wireless gas sensors are used in smart cities to predict fire conditions, detect air pollution levels, and track gas combustion. Through IoT gas sensors, air quality data can be collected, processed, analyzed, and exchanged in real-time potentially leading to heathier smart cities. Moreover, gas sensors can potentially help in assessing the levels of various gases such as carbon dioxide, carbon monoxide, and other gases in the air and contribute favorably to curbing air pollution.

The outbreak of the Covid-19 pandemic also created new opportunities for market players. The demand for carbon dioxide gas sensors is expected to increase significantly in particular. Carbon dioxide gas sensors are being used widely in European countries for monitoring the indoor environment in schools to control the spread of coronavirus. Guidelines published by the Federation of European Heating, Ventilation, and Air Conditioning Associations also recommend installing carbon dioxide monitoring systems in schools.

Report highlights

• The carbon dioxide (CO2) sensors segment led the market with the largest revenue share of 31.6% in 2025. Heightened awareness of indoor air quality and its impact on health is propelling the adoption of CO2 sensors in residential, commercial, and industrial settings.

• The wired segment accounted for the largest market revenue share in 2025. The wired gas sensors offer several benefits, including low maintenance, compact size, lower cost, and higher accuracy.

• The electrochemical segment accounted for the largest market revenue share in 2025. This growth is primarily attributed to the low power consumption, enhanced safety, and high specificity for target gases.

• The industrial segment led the market with the largest revenue share of 19.27% in 2025. Gas sensors are widely used in the industrial sector due to stringent regulations related to workplace safety.

Geographically, the Asia Pacific region accounted for the largest market share in 2025. Rapid urbanization in emerging economies, such as China and India, is expected to create growth opportunities for the Asia Pacific regional market

Key players

Some of the key players in this field and named by the researchers include, Alphasense (Ametek), Honeywell International Inc., Process Sensing Technologies, Figaro Engineering Inc., Membrapor AG, Nemoto & Co. Ltd., GfG Gesellschaft für Gerätebau mbH, Robert Bosch GmbH, ABB Ltd, and Siemens AG.