Gas Sensors Market Size & Share Analysis - Growth Trends & Forecasts (2025 - 2030)

Gas Sensors Market Segmented by Gas Type (Oxygen, Carbon Monoxide and More), Technology (Electro-Chemical, Photo-Ionization, and More), Form Factor (Fixed/In-situ Modules, Portable/Hand-held Devices and More), Connectivity (Wired, Wireless), End-Use Industry (Industrial Safety & Process, Automotive Powertrain & HVAC and More), and Geography. The Market Forecasts are Provided in Terms of Value (USD).

Gas Sensors Market Size and Share

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Gas Sensors Market Analysis by Mordor Intelligence

The gas sensors market stands at USD 1.69 billion in 2025 and is forecast to reach USD 2.77 billion by 2030, advancing at a 10.42% CAGR. Rapid adoption of Euro 7 on-board diagnostics, stricter workplace safety rules, and smart-city air-quality initiatives are accelerating sensor shipments. Momentum is reinforced by the transition from electrochemical to miniaturized MEMS-semiconductor optical platforms, which boost average selling prices and enable artificial-intelligence-based selectivity. Asia-Pacific commands the largest regional position thanks to its automotive and electronics manufacturing base, while hydrocarbon and volatile-organic-compound devices are the fastest expanding gas type on the back of methane leak regulations. Consolidation among incumbents is reshaping competitive dynamics, yet technical hurdles such as sub-10 ppm cross-sensitivity and wafer-price volatility may curb adoption in cost-sensitive niches. [1]International Council on Clean Transportation, “Euro 7: The New Emission Standard for Light- and Heavy-Duty Vehicles in the European Union,” theicct.org

Key Report Takeaways

  •  By gas type, carbon monoxide sensors led with 26.40% revenue share in 2024; hydrocarbon and VOC sensors are projected to climb at a 12.30% CAGR through 2030.  
  •  By technology, electrochemical elements held 32.10% of the gas sensors market share in 2024, while MEMS-semiconductor optical devices are on course for a 16.00% CAGR to 2030.  
  •  By form factor, fixed and in-situ modules dominated with 54.70% of the 2024 gas sensors market size; wearable badges and patches are poised to expand at 15.20% CAGR between 2025-2030.  
  •  By connectivity, wired interfaces retained 82.00% share in 2024, whereas wireless connections are forecast to grow at 16.44% CAGR.  
  •  By end-use industry, industrial safety and process control accounted for 38.20% share of the 2024 gas sensors market size, yet environmental-monitoring nodes should register the fastest 15.21% CAGR.  
  •  By geography, Asia-Pacific led with 43.30% revenue share in 2024 and is expected to post a 14.04% CAGR through 2030.

Segment Analysis

By Gas Type: Hydrocarbon Sensors Set the Pace

Carbon monoxide devices dominated 2024 volume thanks to household alarms, furnace monitoring, and vehicle cabin safety, securing 26.40% of the gas sensors market share. Hydrocarbon and VOC detectors, however, are projected to outpace all peers with a 12.30% CAGR as OGMP 2.0 methane rules force energy firms to track fugitive emissions. This shift rebalances the gas sensors market toward multi-species arrays that quantify methane, ethane, and benzene simultaneously, decreasing total cost of ownership for oil and gas operators. Emerging nano transistor-based detectors measuring 1–1,000 ppm hydrogen at 300 nW consumption extend monitoring into battery modules, drones, and residential fuel-cell systems.

The hydrocarbon boom widens the addressable gas sensors market size for environmental-monitoring contractors building citywide leak-mapping programs. OEM demand for methane-specific chips also boosts average revenue per unit, partially offsetting price erosion in mature carbon monoxide and oxygen categories. Meanwhile, steady oxygen-deficiency products retain relevance in metallurgy and pulp mills, and carbon-dioxide NDIR cells ride the wave of indoor-air-quality legislation. Specialty sulphur-dioxide and hydrogen-sulphide instruments stay confined to refinery stacks and mining tunnels, yet they anchor niche profitability for high-spec suppliers.

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Note: Segment shares of all individual segments available upon report purchase

By Technology: MEMS-Semiconductor Optical Platforms Disrupt Status Quo

Electrochemical elements retained 32.10% share in 2024 due to proven field reliability and low initial cost, keeping them central to the industrial safety-instrument-system ecosystem. The landscape is changing quickly as MEMS-semiconductor optical stacks are forecast to clock a 16.00% CAGR to 2030, driven by their inherent selectivity, drift immunity, and compatibility with machine-learning-based pattern libraries. This surge will lift the gas sensors market size linked to automotive, HVAC, and consumer IoT endpoints that demand calibration-free life cycles.

Hybrid devices blend optical, electrochemical, and metal-oxide principles inside one package, replacing multiple discrete boards and streamlining procurement. Bosch Sensortec’s BME688 “electronic nose” showcases AI-enabled signatures that flag food spoilage and forest-fire precursors. Pulse-driven MEMS heaters coupled with deep neural networks now reach 100% identification accuracy across hydrogen, carbon monoxide, and ammonia. As software weight rises, firmware over-the-air updates become a decisive differentiator, nudging hardware-centric rivals to form alliances with analytics vendors.

By Technology: MEMS-Semiconductor Optical Sensors Disrupt Traditional Markets

Electrochemical sensors held 32.10% of the 2024 total because factories trust their proven safety record and buyers value their low price. MEMS-semiconductor optical sensors are set to grow the fastest at a 16.00% CAGR between 2025 and 2030 since they pick out target gases more precisely and connect easily to cloud dashboards. Solid-state metal-oxide devices stay popular in mass-market consumer electronics, while photo-ionization units keep their niche for tracking volatile organic compounds. Catalytic-bead detectors still watch for explosive gases in legacy plants, and non-dispersive infrared cells are finding fresh demand in carbon-dioxide monitors used by building managers.

The move toward “smart” sensing is changing the competitive game. Pulse-driven MEMS chips that run machine-learning code inside the package can now tell hydrogen, carbon monoxide, and ammonia apart with perfect accuracy nature.com. Bosch Sensortec’s BME688 shows where the field is heading; a single part works like an electronic nose, spotting everything from spoiled food to early fire signs bosch-sensortec.com. Researchers are also coating bulk-acoustic-wave resonators with advanced metal-organic frameworks to push ethanol sensitivity while keeping the devices stable in tough conditions

Gas Sensors Market: Market Share by Technology
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By End-Use Industry: Environmental Monitoring Drives Future Growth

In 2024, industrial safety and process lines accounted for 38.20% of spending because oil, gas, and chemical sites must meet strict rules year-round. Looking ahead, environmental-monitoring networks placed in smart cities will be the quickest riser with a 15.21% CAGR through 2030. Demand here grows as urban leaders seek real-time air-quality data to guide traffic and public-health actions. Automotive powertrain and HVAC users continue to add sensors to stay within new emission caps, while building-automation and smart-home systems are starting to use the same hardware for comfort control. Clinics and life-science labs are testing breath-analysis tools, and food or cold-chain firms now fit sensors to cut spoilage.

The strength of the environmental segment reflects a mix of stricter laws and cheaper technology. The EU AirHeritage trial cut fuel use by 28% and labor costs by 40% after planners optimized routes for moving sensors.Hyderabad’s grid of 49 low-cost nodes over 4 km² maps pollutants street by street and, with machine-learning calibration, keeps nitrogen-dioxide error inside 3.5 µg/m³ RMSE. On the factory floor, managers are shifting from reactive checks to predictive maintenance that stops failures before they start, while new AI software turns raw parts-per-million readings into clear to-do lists for operators.

Geography Analysis

Asia-Pacific anchors the gas sensors market with a 43.30% revenue share in 2024 and is poised for a 14.04% CAGR through 2030. China’s smart-city blueprints mandate block-level pollution grids that demand tens of thousands of low-cost nodes, while India’s drive to align with ISO 45001 fuels plant-floor retrofits across automotive, cement, and specialty-chemicals sectors. Japan’s hydrogen-society ambitions accelerate orders for sub-ppm safety monitors, and South Korea’s semiconductor expansions seed a domestic MEMS supply chain. Local champions such as Winsen Electronics and Figaro Engineering leverage component clustering and labour arbitrage to serve both export and internal markets, underpinning sustained leadership in the gas sensors market.

North America represents a mature yet innovation-led arena. EPA Tier 3 exhaust limits, the Super Emitter Program, and Canada’s 75% methane-reduction target nurture demand for high-fidelity leak-detection networks. Oil-patch operators in Texas and Alberta deploy optical methane cameras networked to satellite feeds, while battery-gigafactory expansions in the United States Midwest specify multi-gas electro-chemical racks for worker protection. Joint ventures between sensor OEMs and software firms incubate edge-analytics modules that compress data volumes and protect IP, reinforcing value migration toward services.

Europe remains regulation centric. Euro 7 drives NOx after-treatment probes across light and heavy vehicles, and the EU-wide methane regulation adopted in 2024 compels upstream energy players to monitor flares and compressors continually. Germany’s green-steel pilot lines integrate oxygen and hydrogen gauges into closed-loop burners, while Scandinavian cities add NO2 and O3 cells to bikeway air-quality signs connected over 5G. Data-sovereignty statutes encourage on-premises servers and encrypted wireless protocols, shaping procurement specifications for transnational sensor fleets. [4]IOGP Europe, “EU Approves Methane Regulation: What’s Next for the Industry?” iogpeurope.org

Gas Sensors Market CAGR (%), Growth Rate by Region
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Competitive Landscape

The gas sensors market shows medium concentration, with a dynamic mix of multinationals and specialized innovators. Established vendors employ vertical integration to tame semiconductor bottlenecks, as evidenced by SICK partnering with Endress+Hauser in an USD 800 million employee-transfer joint venture that merges analytics software with process instrumentation. Sensirion’s pivot to methane-only data-as-a-service illustrates portfolio pruning aligned with environmental-compliance spending. Honeywell broadened its reach by purchasing Air Products’ LNG technology for USD 1.81 billion, bundling sensors with liquefaction expertise to address energy-transition megaprojects.

Artificial-intelligence-ready hardware is the new battleground. Players integrate Tensor-core micros to run convolutional neural networks in-sensor, cutting latency and data-transmission costs. Collaboration between Honeywell and Qualcomm marries low-power AI chipsets with legacy sensing know-how, offering bundled solutions for oil-rig operators seeking methane leak localization without on-site engineers. New entrants exploit nanomaterials such as graphene and metal-organic frameworks to carve out niches in ultralow-power wearables and disposable food-packaging indicators, prompting incumbents to boost R&D outlays or acquire breakthrough labs.

Price erosion in commoditized carbon-monoxide detectors contrasts with rising premiums for hydrogen and infrared methane products. Suppliers differentiate through extended warranties, cybersecurity certifications, and SaaS dashboards translating parts-per-million readings into compliance KPI dashboards. Overall, competition pivots from unit sales to lifecycle analytics, pushing firms to cultivate recurring-revenue streams via calibration-as-a-service and predictive-maintenance subscriptions.

Gas Sensors Industry Leaders

  1. Robert Bosch GmbH

  2. Honeywell International Inc. (City Technology)

  3. Drägerwerk AG & Co. KGaA

  4. Figaro Engineering Inc.

  5. Sensirion Holding AG

  6. *Disclaimer: Major Players sorted in no particular order
Gas Sensors
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Recent Industry Developments

  • January 2025: Sensirion Connected Solutions acquired Kuva Systems to expand methane-emissions monitoring capabilities.
  • November 2024: Sensirion Connected Solutions partnered with Project Canary to introduce MOX-sensor cartridges and cloud analytics in the United States.
  • October 2024: Honeywell and Qualcomm began co-developing AI-enabled energy-sector sensing solutions.
  • August 2024: SICK AG and Endress+Hauser formed a joint venture covering gas analysis and flow measurement.

Table of Contents for Gas Sensors Industry Report

1. INTRODUCTION

  • 1.1 Study Assumptions and Market Definition
  • 1.2 Scope of the Study

2. RESEARCH METHODOLOGY

3. EXECUTIVE SUMMARY

4. MARKET LANDSCAPE

  • 4.1 Market Overview
  • 4.2 Market Drivers
    • 4.2.1 Stricter vehicle on-board diagnostics (Euro 7, EPA Tier 3)
    • 4.2.2 Work-place safety mandates (OSHA, REACH, ISO 45001)
    • 4.2.3 IoT-enabled air-quality monitoring roll-outs (smart cities)
    • 4.2.4 Surging demand from H? production and fuel-cell value chain (green hydrogen)
    • 4.2.5 Emerging methane-leak detection rules for oil and gas (OGMP 2.0)
    • 4.2.6 Miniaturised MEMS-based multi-gas arrays (? 3 mm) driving ASP uplift (under-reported)
  • 4.3 Market Restraints
    • 4.3.1 Sub-10 ppm cross-sensitivity challenges in mixed-gas matrices (under-reported)
    • 4.3.2 Silicon supply volatility inflating wafer prices
    • 4.3.3 Lack of global calibration standards hampers interchangeability
    • 4.3.4 Cost-pressure from low-end Chinese electro-chemical suppliers (price war)
  • 4.4 Value/Supply-Chain Analysis
  • 4.5 Regulatory Landscape
  • 4.6 Technological Outlook
  • 4.7 Porter's Five Forces Analysis
    • 4.7.1 Bargaining Power of Suppliers
    • 4.7.2 Bargaining Power of Buyers
    • 4.7.3 Threat of New Entrants
    • 4.7.4 Threat of Substitutes
    • 4.7.5 Intensity of Competitive Rivalry

5. MARKET SIZE AND GROWTH FORECASTS (VALUE)

  • 5.1 By Gas Type
    • 5.1.1 Oxygen
    • 5.1.2 Carbon Monoxide (CO)
    • 5.1.3 Carbon Dioxide (CO₂)
    • 5.1.4 Nitrogen Oxides (NOₓ)
    • 5.1.5 Hydrocarbons (VOC/CH₄)
    • 5.1.6 Other Gases (SO₂, H₂S, etc.)
  • 5.2 By Technology
    • 5.2.1 Electro-chemical
    • 5.2.2 Photo-ionisation (PID)
    • 5.2.3 Solid-state / MOS
    • 5.2.4 Catalytic Bead
    • 5.2.5 Non-Dispersive Infra-Red (NDIR)
    • 5.2.6 MEMS-Semiconductor Optical
  • 5.3 By Form Factor
    • 5.3.1 Fixed / In-situ Modules
    • 5.3.2 Portable / Hand-held Devices
    • 5.3.3 Wearable Badges / Patches
  • 5.4 By Connectivity
    • 5.4.1 Wired (4-20 mA, CAN, RS-485)
    • 5.4.2 Wireless (BLE, NB-IoT, LoRaWAN)
  • 5.5 By End-use Industry
    • 5.5.1 Industrial Safety and?Process (Oil?and?Gas, Chemicals)
    • 5.5.2 Automotive Powertrain and HVAC
    • 5.5.3 Building Automation / Smart Homes
    • 5.5.4 Medical and Life-science Equipment
    • 5.5.5 Food, Beverage and Cold-chain Logistics
    • 5.5.6 Environmental Monitoring and Smart City Nodes
  • 5.6 By Geography
    • 5.6.1 North America
    • 5.6.1.1 United States
    • 5.6.1.2 Canada
    • 5.6.1.3 Mexico
    • 5.6.2 South America
    • 5.6.2.1 Brazil
    • 5.6.2.2 Argentina
    • 5.6.3 Europe
    • 5.6.3.1 Germany
    • 5.6.3.2 United Kingdom
    • 5.6.3.3 France
    • 5.6.3.4 Russia
    • 5.6.4 Asia-Pacific
    • 5.6.4.1 China
    • 5.6.4.2 Japan
    • 5.6.4.3 India
    • 5.6.4.4 South Korea
    • 5.6.5 Middle East and Africa
    • 5.6.5.1 United Arab Emirates
    • 5.6.5.2 Saudi Arabia

6. COMPETITIVE LANDSCAPE

  • 6.1 Market Concentration
  • 6.2 Strategic Moves
  • 6.3 Market Share Analysis
  • 6.4 Company Profiles (includes Global Level Overview, Market Level Overview, Core Segments, Financials as available, Strategic Information, Market Rank/Share, Products and Services, Recent Developments)
    • 6.4.1 Robert Bosch GmbH
    • 6.4.2 Honeywell International Inc. - City Technology
    • 6.4.3 Drägerwerk AG & Co. KGaA
    • 6.4.4 Figaro Engineering Inc.
    • 6.4.5 Sensirion Holding AG
    • 6.4.6 AlphaSense Inc.
    • 6.4.7 Amphenol SGX Sensortech Ltd.
    • 6.4.8 Membrapor AG
    • 6.4.9 Nemoto and Co., Ltd.
    • 6.4.10 Niterra Co., Ltd. (NGK-NTK)
    • 6.4.11 Delphi Technologies (BorgWarner Inc.)
    • 6.4.12 Senseair AB (Asahi Kasei Microdevices)
    • 6.4.13 Dynament Ltd.
    • 6.4.14 Siemens AG - BT Sensors
    • 6.4.15 ABB Ltd. - Ability™ Gas Analytics
    • 6.4.16 Yokogawa Electric Corporation
    • 6.4.17 Emerson Electric Co. - Rosemount
    • 6.4.18 Teledyne FLIR LLC
    • 6.4.19 General Electric Company - Panametrics
    • 6.4.20 Zhengzhou Winsen Electronics Technology Co., Ltd.

7. MARKET OPPORTUNITIES AND FUTURE OUTLOOK

  • 7.1 White-space and Unmet-need Assessment
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Global Gas Sensors Market Report Scope

Gas sensors are electronic devices that can detect and identify the presence and concentration of various hazardous gases and vapors, such as toxic or explosive gases, volatile organic compounds (VOCs), humidity, and odors.

The gas sensors market is segmented by type (oxygen, carbon monoxide (CO), carbon dioxide (CO2), nitrogen oxide, hydrocarbon, other types), technology (electrochemical, photoionization detectors (PID), solid-state/metal oxide semiconductor, catalytic, infrared, semiconductor), application (medical, building automation, industrial, food and beverage, automotive, transportation and logistics, and other applications), and geography (North America [United States, Canada], Europe [Germany, United Kingdom, France, Rest of Europe], Asia Pacific [China, Japan, India, Rest of Asia Pacific], Latin America [Brazil, Argentina, Mexico, Rest of Latin America], Middle East, and Africa [United Arab Emirates, Saudi Arabia, Rest of the Middle East and Africa]). The market sizes and forecasts are provided in terms of value (USD) for all the above segments.

By Gas Type Oxygen
Carbon Monoxide (CO)
Carbon Dioxide (CO₂)
Nitrogen Oxides (NOₓ)
Hydrocarbons (VOC/CH₄)
Other Gases (SO₂, H₂S, etc.)
By Technology Electro-chemical
Photo-ionisation (PID)
Solid-state / MOS
Catalytic Bead
Non-Dispersive Infra-Red (NDIR)
MEMS-Semiconductor Optical
By Form Factor Fixed / In-situ Modules
Portable / Hand-held Devices
Wearable Badges / Patches
By Connectivity Wired (4-20 mA, CAN, RS-485)
Wireless (BLE, NB-IoT, LoRaWAN)
By End-use Industry Industrial Safety and?Process (Oil?and?Gas, Chemicals)
Automotive Powertrain and HVAC
Building Automation / Smart Homes
Medical and Life-science Equipment
Food, Beverage and Cold-chain Logistics
Environmental Monitoring and Smart City Nodes
By Geography North America United States
Canada
Mexico
South America Brazil
Argentina
Europe Germany
United Kingdom
France
Russia
Asia-Pacific China
Japan
India
South Korea
Middle East and Africa United Arab Emirates
Saudi Arabia
By Gas Type
Oxygen
Carbon Monoxide (CO)
Carbon Dioxide (CO₂)
Nitrogen Oxides (NOₓ)
Hydrocarbons (VOC/CH₄)
Other Gases (SO₂, H₂S, etc.)
By Technology
Electro-chemical
Photo-ionisation (PID)
Solid-state / MOS
Catalytic Bead
Non-Dispersive Infra-Red (NDIR)
MEMS-Semiconductor Optical
By Form Factor
Fixed / In-situ Modules
Portable / Hand-held Devices
Wearable Badges / Patches
By Connectivity
Wired (4-20 mA, CAN, RS-485)
Wireless (BLE, NB-IoT, LoRaWAN)
By End-use Industry
Industrial Safety and?Process (Oil?and?Gas, Chemicals)
Automotive Powertrain and HVAC
Building Automation / Smart Homes
Medical and Life-science Equipment
Food, Beverage and Cold-chain Logistics
Environmental Monitoring and Smart City Nodes
By Geography
North America United States
Canada
Mexico
South America Brazil
Argentina
Europe Germany
United Kingdom
France
Russia
Asia-Pacific China
Japan
India
South Korea
Middle East and Africa United Arab Emirates
Saudi Arabia
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Key Questions Answered in the Report

What is the current value of the gas sensors market and its expected size by 2030?

The gas sensors market is valued at USD 1.69 billion in 2025 and is projected to reach USD 2.77 billion by 2030, reflecting a 10.42% CAGR.

Which region commands the largest gas sensors market share today?

Asia-Pacific holds the dominant 43.30% share, propelled by large-scale smart-city deployments and robust manufacturing activity.

Which gas-type segment is expanding the fastest?

Hydrocarbon and volatile-organic-compound detectors lead growth with a forecast 12.30% CAGR as methane-leak rules tighten.

Why are MEMS-semiconductor optical sensors gaining traction?

They deliver higher selectivity, no calibration drift, and seamless AI integration, supporting a 16.00% CAGR through 2030.

How are smart cities influencing sensor demand?

Urban projects deploy dense wireless networks to map air-quality hotspots, lifting sensor volumes and enabling predictive pollution management.

What major obstacle limits precision gas sensing below 10 ppm?

Cross-sensitivity to interfering gases hampers accuracy, compelling research into advanced filtering materials and machine-learning classifiers.

How is consolidation affecting competitive dynamics?

Partnerships and acquisitions, such as SICK’s joint venture with Endress+Hauser and Bosch’s HVAC buyout, reflect a push toward vertically integrated, analytics-rich ecosystems.

Which form factor is expected to outpace others in growth?

Wearable badges and patches will register a 15.20% CAGR, driven by personal safety mandates and breakthroughs in flexible electronics.

Page last updated on: July 10, 2025