Gas Sensor Market Growth & Trends

The global gas sensor market is projected to attain a value of USD 5,489.7 million by 2030, growing at a compound annual growth rate (CAGR) of 9.9% from 2025 to 2030, according to a new study by Grand View Research, Inc. This significant market expansion is primarily driven by the increasing implementation of stringent health and safety regulations across various countries. In addition, the need for continuous monitoring and control of gas emissions—especially in industrial processes—is fueling the demand for advanced gas sensing technologies worldwide.

Innovations in sensor technology are paving the way for new applications. For example, research teams from Northeastern University and Penn State University are developing wearable gas sensors tailored for human health monitoring and environmental sensing. These next-generation sensors leverage a self-heating mechanism, which enhances their sensitivity and enables rapid reusability and recovery, making them suitable for real-time, wearable applications in various environments.

Key trends accelerating the evolution of the gas sensor industry include sensor miniaturization, the emergence of smart and multi-gas sensors, deeper IoT (Internet of Things) integration, and the advancement of new sensing technologies. In the context of smart cities, IoT-enabled wireless gas sensors are gaining momentum. These sensors are being used to predict fire hazards, monitor air pollution levels, and track gas combustion patterns, among other applications. By collecting and analyzing air quality data in real time, such solutions can significantly enhance urban air quality and public health outcomes.

Furthermore, gas sensors play a critical role in identifying harmful gases such as carbon monoxide, carbon dioxide, and methane, thus contributing to global efforts to reduce pollution and promote safer environments. The COVID-19 pandemic has also introduced new dimensions to gas sensor usage, particularly in indoor air quality monitoring. For instance, demand for carbon dioxide sensors surged during the pandemic, especially in European countries, where schools and educational institutions implemented these devices to monitor indoor ventilation and limit virus transmission. The Federation of European Heating, Ventilation, and Air Conditioning Associations (REHVA) has formally recommended the use of CO₂ monitoring systems in educational facilities to maintain healthy indoor environments.

Gas Sensor Market Report Highlights

• The oxygen/lambda sensor segment is anticipated to record substantial growth over the forecast period. The widespread deployment of oxygen sensors in areas such as medical devices, wearable health monitors, food and beverage production, and environmental surveillance is driving this trend.
• The wireless gas sensor segment is projected to be the fastest-growing segment during the forecast timeline. These sensors offer numerous advantages, including ease of installation, real-time gas monitoring, enhanced flexibility, cost efficiency, and improved safety. Their ability to operate with minimal wiring makes them highly desirable in modern infrastructure and industrial environments.
• The electrochemical gas sensor technology segment dominated the market in 2024 and is expected to maintain its lead. These sensors are extensively utilized in industries such as oil and gas, petrochemicals, and manufacturing due to their high sensitivity in detecting toxic and flammable gases, contributing to workplace safety and environmental compliance.
• The environmental end-use segment is forecasted to grow at the fastest pace in the coming years. The proliferation of smart city initiatives worldwide is driving the adoption of IoT-integrated environmental monitoring systems, where gas sensors play a pivotal role in measuring and managing atmospheric conditions.
• Asia Pacific emerged as the leading regional market in 2024, capturing the largest revenue share. The region’s dominance is attributed to rapid urbanization and industrial expansion in countries such as China and India, which are investing heavily in smart infrastructure and pollution control measures.

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Gas Sensor Market Segmentation

Grand View Research has segmented the gobal gas sensor market report based on product, type, technology, end use, and region:

Gas Sensor Product Outlook (Volume, Million Units; Revenue, USD Million, 2018 - 2030)

• Oxygen/Lambda Sensor
• Carbon Dioxide Sensor
• Carbon Monoxide Sensor
• NOx Sensor
• Methyl Mercaptan Sensor
• Others (Hydrogen, Ammonia, Hydrogen Sulfide)

Gas Sensor Type Outlook (Revenue, USD Million, 2018 - 2030)

• Wireless
• Wired

Gas Sensor Technology Outlook (Revenue, USD Million, 2018 - 2030)

• Electrochemical
• Semiconductor
• Solid State/MOS
• Photo-Ionization Detector (PID)
• Catalytic
• Infrared (IR)
• Others

Gas Sensor End Use Outlook (Volume, Million Units; Revenue, USD Million, 2018 - 2030)

• Medical
• Building Automation & Domestic Appliances
• Environmental
• Petrochemical
• Automotive
• Industrial
• Agriculture
• Others

Gas Sensor Regional Outlook (Volume, Million Units; Revenue, USD Million, 2018 - 2030)

• North America
  • US
  • Canada
  • Mexico
• Europe
  • UK
  • Germany
  • France
• Asia Pacific
  • China
  • India
  • Japan
  • South Korea
  • Australia
• Latin America
  • Brazil
• Middle East & Africa
  • Kingdom of Saudi Arabia
  • UAE
  • South Africa

List of Key Players in the Gas Sensor Market

• ABB Ltd.
• AlphaSense Inc.
• City Technology Ltd.
• Dynament
• Figaro Engineering Inc.
• Membrapor
• Nemoto & Co. Ltd.
• Robert Bosch LLC
• Siemens
• GfG Gas Detection UK Ltd.
• FLIR Systems, Inc.

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