Emission Monitoring Systems Market – Global Industry Size, Share, Trends, Opportunity, and Forecast Segmented By Emission Type (Particulate Matter (PM) Monitoring, Gas Emission Monitoring, VOC Emission Monitoring), By Monitoring Technology (Continuous Emission Monitoring Systems (CEMS), Predictive Emission Monitoring Systems (PEMS), Portable Emission Monitoring Systems, Dilution Sampling Systems), By End-User Industry (Power Generation, Pharmaceuticals, Manufacturing, Chemical and Petrochemical, Mining, Oil & Gas, Others), By Region & Competition, 2021-2031F

Forecast Period	2027-2031
Market Size (2025)	USD 4.57 Billion
CAGR (2026-2031)	9.06%
Fastest Growing Segment	Power Generation
Largest Market	Asia Pacific
Market Size (2031)	USD 7.69 Billion

Market Overview

The Global Emission Monitoring Systems Market will grow from USD 4.57 Billion in 2025 to USD 7.69 Billion by 2031 at a 9.06% CAGR. Global Emission Monitoring Systems (EMS) are comprehensive hardware and software solutions employed to measure, track, and report the release of pollutants such as carbon dioxide, sulfur dioxide, and particulate matter from industrial and commercial sources. The market is primarily propelled by the stringent enforcement of environmental compliance mandates by regulatory bodies and the growing necessity for operational efficiency to minimize resource wastage. According to the International Air Transport Association, in 2024, gross carbon emissions from the global aviation sector reached 942 million tonnes, a figure that underscores the urgent demand for precise monitoring technologies to manage and mitigate environmental impact across high-emitting industries.

Despite the positive trajectory, the market faces a significant challenge in the form of high initial deployment and maintenance costs associated with advanced monitoring infrastructure. The requirement for specialized calibration and skilled technical personnel to manage these systems can create substantial financial barriers, particularly for small and medium-sized enterprises operating in price-sensitive developing markets.

Key Market Drivers

Stringent environmental regulations and compliance mandates serve as the primary catalyst for the adoption of emission monitoring systems. Regulatory bodies globally are enforcing rigorous standards to curb air pollution, necessitating continuous monitoring solutions to ensure legal adherence. These frameworks compel operators to invest in precise measurement technologies to mitigate legal risks and align with climate goals. According to the US Environmental Protection Agency, April 2024, in the 'Final Rules to Reduce Greenhouse Gas Emissions from Power Plants' release, the new standards for fossil fuel-fired power plants are projected to prevent 1.38 billion metric tons of carbon pollution through 2047. Such legislative measures directly drive the procurement of monitoring infrastructure to verify reductions.

The expansion of the power generation and energy sectors further amplifies the reliance on emission monitoring technologies. Continued development of fossil fuel-based infrastructure creates a need for systems tracking pollutants like sulfur dioxide. According to Global Energy Monitor, April 2024, in the 'Boom and Bust Coal 2024' report, global operating coal fleet capacity grew by 2% in 2023, driven largely by new additions in China. This increase in thermal capacity mandates the integration of continuous emission monitoring systems to manage the environmental footprint of new facilities. Furthermore, the broader energy industry faces scrutiny regarding fugitive emissions. According to the International Energy Agency, in 2024, the global energy sector was responsible for nearly 130 million tonnes of methane emissions in the previous year, highlighting the critical role of monitoring systems.

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Key Market Challenges

High initial deployment and maintenance expenses associated with monitoring infrastructure act as a primary restraint on the Global Emission Monitoring Systems Market. The procurement of these systems requires significant capital investment for hardware, software integration, and site preparation. Furthermore, the total cost of ownership increases due to the necessity for frequent calibration and the hiring of skilled technicians to ensure data accuracy. These financial demands create hesitation among potential buyers, particularly small and medium-sized enterprises with limited capital reserves, leading to longer sales cycles and deferred purchasing decisions.

This economic pressure significantly dampens market growth in price-sensitive developing regions. When compliance costs become prohibitive, industrial operators often delay system upgrades or limit the scale of implementation. According to the International Energy Agency, in 2024, the cost of capital for industrial and energy projects in emerging and developing economies remained up to two times higher than in advanced economies. This disparity in financing costs directly exacerbates the affordability challenge, making it difficult for businesses in these areas to acquire necessary monitoring technologies.

Key Market Trends

The adoption of satellite and drone-based remote emission sensing is transforming the Global Emission Monitoring Systems Market by enabling top-down detection of pollutants over vast geographical areas. Unlike traditional ground-based point sensors, these remote technologies provide comprehensive coverage, allowing operators to identify fugitive methane leaks and "super-emitter" events in hard-to-access infrastructure such as pipelines and offshore platforms. This shift is being accelerated by the urgent need to reconcile reported data with actual atmospheric measurements to meet international climate pledges. According to the International Energy Agency, March 2024, in the 'Global Methane Tracker 2024', methane emissions from fossil fuel operations remained near a record high of 120 million tonnes in 2023, a discrepancy that is driving the widespread deployment of satellite monitoring to close verification gaps and target abatement efforts more effectively.

Simultaneously, the market is experiencing a rapid integration of monitoring technologies with Carbon Capture, Utilization, and Storage (CCUS) infrastructure. As industrial sectors ramp up decarbonization projects, there is a critical requirement for specialized systems capable of measuring CO2 purity, flow rates, and leakage across the capture, transport, and sequestration value chain. These advanced monitoring solutions are essential for ensuring the safety of storage sites and validating the carbon credits generated by these initiatives. According to the Global CCS Institute, October 2024, in the 'Global Status of CCS 2024' report, the total number of carbon capture facilities in the development pipeline surged by 60% year-on-year to reach 628 projects, creating a substantial new growth vertical for high-precision emission monitoring instrumentation.

Segmental Insights

The Power Generation segment is identified as the fastest growing category within the Global Emission Monitoring Systems Market, primarily due to intensifying environmental mandates targeting fossil-fuel-based energy facilities. Regulatory bodies, including the U.S. Environmental Protection Agency and the European Union, have established rigorous limits on hazardous air pollutants such as sulfur dioxide, nitrogen oxides, and mercury. These stringent requirements compel utility operators to integrate reliable monitoring solutions to ensure continuous compliance and avoid significant legal penalties. Consequently, the heightened focus on reducing the carbon footprint of thermal power plants drives the accelerated adoption of these critical systems.

Regional Insights

The Asia Pacific region holds the leading position in the global emission monitoring systems market, driven primarily by rapid industrial expansion in developing economies such as China and India. The dominance of this region is attributed to the continued reliance on coal-fired power generation and the expansion of the manufacturing sector. Furthermore, stringent environmental mandates enforced by authorities like China’s Ministry of Ecology and Environment and India’s Central Pollution Control Board compel industries to adopt continuous monitoring solutions. This regulatory pressure to curb rising pollution levels ensures sustained demand for compliance technologies across the region.

Recent Developments

• In December 2024, ABB announced that its data acquisition and handling system had become the first solution on the market to successfully pass testing for the EN 17255 operational standard. This compliance milestone validated the system's ability to collect, process, and report information on air pollutants measured by continuous emissions monitoring systems with high integrity. The certification provided industrial operators in sectors such as power generation and chemicals with a verified method for regulatory reporting. By adhering to these rigorous international protocols, the technology promised to enhance the consistency and reliability of emissions data globally.
• In August 2024, Honeywell launched its comprehensive Emissions Management Suite, which received certification for use in hazardous locations and marine environments. This end-to-end solution was developed to help the offshore oil and gas industry effectively measure, monitor, report, and reduce fugitive emissions. The suite integrated advanced hardware with solar capabilities to extend the lifespan of gas detectors, significantly reducing maintenance requirements. By providing near real-time visibility into platform operations, the system enabled companies to balance production targets with environmental responsibilities, supporting the energy sector's transition toward net-zero operations and regulatory compliance.
• In July 2024, Teledyne FLIR and its associated business units presented advanced emission monitoring solutions designed to address tightening environmental regulations. The company highlighted its G-Series optical gas imaging cameras, which were engineered to detect and quantify hydrocarbons, methane, and volatile organic compounds across the energy supply chain. These sophisticated instruments featured built-in analytics capable of measuring leak type and severity, allowing operators to quantify emissions at both the source and site levels. This launch aimed to assist industrial facilities in complying with new methane regulations while ensuring operational safety and efficiency through precise leak detection.
• In March 2024, Baker Hughes announced a significant breakthrough in flare emissions monitoring achieved through a strategic collaboration with BP. This partnership focused on deploying specific emissions abatement technology to quantify methane emissions from flaring operations, representing a novel application for the upstream oil and gas sector. Following a comprehensive study of flare combustion under various conditions, the companies successfully validated the accuracy of the technology. This development enabled the energy operator to utilize real-time data from flares across multiple regions, facilitating early interventions and supporting the industry’s broader goals of reducing methane emissions and enhancing environmental performance.

Key Market Players

• ABB Ltd.
• AMETEK Inc.
• ARQ, Inc.
• Siemens AG
• Emerson Electric Co
• Baker Hughes Company
• Rockwell Automation Inc.
• Teledyne Technologies Incorporated

By Emission Type	By Monitoring Technology	By End-User Industry	By Region
Particulate Matter (PM) Monitoring Gas Emission Monitoring VOC Emission Monitoring	Continuous Emission Monitoring Systems (CEMS) Predictive Emission Monitoring Systems (PEMS) Portable Emission Monitoring Systems Dilution Sampling Systems	Power Generation Pharmaceuticals Manufacturing Chemical and Petrochemical Mining Oil & Gas Others	North America Europe Asia Pacific South America Middle East & Africa

Report Scope:

In this report, the Global Emission Monitoring Systems Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

• Emission Monitoring Systems Market, By Emission Type:

• Particulate Matter (PM) Monitoring
• Gas Emission Monitoring
• VOC Emission Monitoring

• Emission Monitoring Systems Market, By Monitoring Technology:

• Continuous Emission Monitoring Systems (CEMS)
• Predictive Emission Monitoring Systems (PEMS)
• Portable Emission Monitoring Systems
• Dilution Sampling Systems

• Emission Monitoring Systems Market, By End-User Industry:

• Power Generation
• Pharmaceuticals
• Manufacturing
• Chemical and Petrochemical
• Mining
• Oil & Gas
• Others

• Emission Monitoring Systems Market, By Region:

• North America
• United States
• Canada
• Mexico
• Europe
• France
• United Kingdom
• Italy
• Germany
• Spain
• Asia Pacific
• China
• India
• Japan
• Australia
• South Korea
• South America
• Brazil
• Argentina
• Colombia
• Middle East & Africa
• South Africa
• Saudi Arabia
• UAE