The global CO Sensors market size is predicted to grow from US$ 1071 million in 2025 to US$ 1506 million in 2031; it is expected to grow at a CAGR of 5.8% from 2025 to 2031.

The impact of the latest U.S. tariff measures and the corresponding policy responses from countries worldwide on market competitiveness, regional economic performance, and supply chain configurations will be comprehensively evaluated in this report.

A carbon monoxide (CO) sensor is a device designed to detect the presence of carbon monoxide gas in the environment. CO is a colorless, odorless, and tasteless gas produced by the incomplete combustion of carbon-containing materials. Exposure to high levels of CO can be fatal, making CO sensors critical for safety in various settings.

In recent years, with the rapid development of industrial safety, environmental monitoring, smart home and automotive electronics, the global CO (carbon monoxide) sensor market has shown a steady growth trend.

From the perspective of technical routes, CO sensors are mainly divided into electrochemical, semiconductor, infrared (NDIR) and catalytic combustion. Among them, electrochemical sensors dominate the industrial safety market with high precision and stability, while semiconductor sensors are widely used in civilian fields (such as home alarms) due to their cost advantages. Although infrared sensors are relatively expensive, their long life and anti-interference capabilities have led to significant growth in demand in high-end environmental monitoring and automobile exhaust detection.

Regional analysis:

The North American and European markets are mature, and demand mainly comes from strict industrial safety regulations and environmental protection policies. The Asia-Pacific region has the fastest growth. China, India and other countries have accelerated industrialization and stricter air quality supervision, driving the application of CO sensors in coal mines, chemicals, smart cities and other fields. The oil and gas industry in the Middle East and Africa has high demand, but the market penetration rate is still low, and there is great potential for future growth.

Market development opportunities:

Globally, stricter regulation of air quality and industrial safety, such as Chinas dual carbon goal and Europes Green New Deal, has stimulated the demand for CO monitoring equipment. Applications such as smart gas alarms and fresh air systems have driven the growth of the civilian market. Hydrogen-powered vehicles need to monitor CO to prevent fuel cell poisoning, bringing new demand. The industrialization process in Southeast Asia, Latin America and other regions has accelerated, and the potential market space is large.

Market risks and challenges:

High-end sensors (such as NDIR) rely on core optical components and algorithms, and there is still a gap between domestic companies and international leaders. The mid- and low-end markets are highly homogenized, and profit margins are squeezed. For example, laser spectroscopy technology may replace traditional sensors in extremely low concentration detection. Price fluctuations in electrode materials (such as platinum) for electrochemical sensors affect costs.

Infinity Market Research newest research report, the CO Sensors Industry Forecast looks at past sales and reviews total world CO Sensors sales in 2024, providing a comprehensive analysis by region and market sector of projected CO Sensors sales for 2025 through 2031. With CO Sensors sales broken down by region, market sector and sub-sector, this report provides a detailed analysis in US$ millions of the world CO Sensors industry.

This Insight Report provides a comprehensive analysis of the global CO Sensors landscape and highlights key trends related to product segmentation, company formation, revenue, and market share, latest development, and M&A activity. This report also analyzes the strategies of leading global companies with a focus on CO Sensors portfolios and capabilities, market entry strategies, market positions, and geographic footprints, to better understand these firms unique position in an accelerating global CO Sensors market.

This Insight Report evaluates the key market trends, drivers, and affecting factors shaping the global outlook for CO Sensors and breaks down the forecast by Type, by Application, geography, and market size to highlight emerging pockets of opportunity. With a transparent methodology based on hundreds of bottom-up qualitative and quantitative market inputs, this study forecast offers a highly nuanced view of the current state and future trajectory in the global CO Sensors.

This report presents a comprehensive overview, market shares, and growth opportunities of CO Sensors market by product type, application, key manufacturers and key regions and countries.

Segmentation by Type:

    Electrochemical Type
    Catalytic Combustion Type
    Semiconductor Type
    Infrared Type

Segmentation by Application:

    Residential
    Petrochemical, Coal Mining, Metallurgy
    Electric Power Industry
    Other

This report also splits the market by region:

    Americas
        United States
        Canada
        Mexico
        Brazil
    APAC
        China
        Japan
        Korea
        Southeast Asia
        India
        Australia
    Europe
        Germany
        France
        UK
        Italy
        Russia
    Middle East & Africa
        Egypt
        South Africa
        Israel
        Turkey
        GCC Countries

The below companies that are profiled have been selected based on inputs gathered from primary experts and analysing the companys coverage, product portfolio, its market penetration.

    Komyo Rikagaku Kogyo
    Alphasense
    Senseair
    EC Sense GmbH
    SmartGAS Mikrosensorik GmbH
    DD-Scientific
    RKl Instruments
    Figaro
    Gastec Corporation
    Guangzhou Aosong Electronics Co., Ltd
    Cubic Sensor and Instrument Co., Ltd

Key Questions Addressed in this Report

What is the 10-year outlook for the global CO Sensors market?
What factors are driving CO Sensors market growth, globally and by region?
Which technologies are poised for the fastest growth by market and region?
How do CO Sensors market opportunities vary by end market size?
How does CO Sensors break out by Type, by Application?