Greta Jimenez
Texas has poorer air quality than other states, with an average daily density of nine micrograms per cubic meter. This is largely due to the presence of pollutants, which can have serious health implications for Texans. For example, air pollution can trigger asthma attacks, harm lung development in children, and even cause premature death. Ozone air pollution, or smog, is one of the most common pollutants in the United States and can be a powerful lung irritant. Particle pollution, which can be caused by forest fires, power plants, industrial operations, and automobiles, is another significant contributor to air pollution in Texas. Climate change also plays a role in increasing the risk of wildfires and making it harder to clean up communities with high ozone levels.
| Characteristics | Values |
|---|---|
| Air quality | Poorer compared to other states, with an average daily density of nine micrograms per cubic meter |
| Air pollution | Particulate matter forms from forest fires, and gases emitted from power plants, industrial operations, and automobiles |
| Health impact | Decreased lung function, chronic bronchitis, asthma, and increased premature death risk among people aged 65 and older |
| Air quality monitoring | Texas has a robust air monitoring network with over 200 stations serving 25 million people |
| Pollutants measured | Ozone (O3), sulfur dioxide (SO2), particulate matter (PM2.5), benzene, toluene, styrene, 1,3-butadiene, hydrogen sulfide, volatile organic compounds, metals, and carbonyls |
| Air quality standards | The Clean Air Act establishes national ambient air quality standards (NAAQS) for six common pollutants or "criteria pollutants" |
| Ozone Action Day | In effect for the Dallas-Fort Worth area, with potential health risks for sensitive groups |
| Wildfire impact | Residual smoke from wildfires in nearby states is expanding over parts of Texas, affecting air quality |
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What You'll Learn
Texas has poorer air quality than other states
The presence of these fine particulate pollutants in Texas is due to a combination of factors. Wildfires in California, Utah, Arizona, and Colorado have led to residual smoke spreading over large areas of Texas, including the Texas Panhandle, South Plains, and North Central Texas. While most of the smoke remains aloft, some of it does reach the surface, impacting air quality. Additionally, small burnings in East Texas and Western Louisiana contribute to the smoke and particulate matter, particularly in more populated areas like North Central and South Central Texas.
The eastern and southern urban regions of Texas experience higher densities of fine particulate matter compared to the more rural northern and western sections. This disparity is influenced by factors such as industrial operations, automobile emissions, and natural resource management. Texas has recognized the importance of balancing economic growth with environmental stewardship and has made significant strides in improving air quality over the past few decades. For instance, from 2000 to 2020, Houston's ozone levels decreased at a faster rate than Los Angeles, and from 2002 to 2023, Texas achieved the largest reduction in NOX emissions in the country.
Despite these efforts, Texas still faces air quality challenges. The state's vast geographical expanse and proximity to other states experiencing wildfires can contribute to residual smoke and particulate matter issues. Additionally, local factors such as industrial activities and automobile traffic play a role in air pollution levels. Texas continues to prioritize research and innovation to further enhance its air quality and mitigate the health risks associated with air pollution.
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Wildfires and industrial operations contribute to air pollution
Texas has a problem with air pollution. In 2019, industrial facilities in the state released over 174 million pounds of unauthorized air pollution, an increase of 155% since 2015. This figure is likely an underestimate, as EPA enforcement is at a record low nationally, and companies can claim an "affirmative defence" to escape financial penalties.
Industrial operations are a major contributor to this issue. Oil and gas facilities top the list of worst illegal polluters in Texas. In 2015, oil and gas facilities in the state released more than 20 million pounds of illegal sulfur dioxide emissions during breakdowns and maintenance activities. These emissions contribute to smog and the acidification of water and soil. In addition to unauthorized pollution events, industrial facilities also release millions of pounds of pollution through permitted "upsets" or "emissions events." These authorized air pollution events emit known toxins such as butadiene, benzene, particulate matter, and hydrogen sulfide.
Wildfires also contribute to air pollution in Texas. While the state itself does not frequently experience wildfires, it is affected by smoke from wildfires in nearby states such as California, Utah, Arizona, and Colorado. This smoke contains large abundances of fine airborne particulate matter (PM2.5), which is known to harm human health. Climate change has increased the frequency, intensity, and spread of wildfires, and it is anticipated that wildfires will pose a growing threat to air quality in the coming decades.
The combination of industrial operations and wildfires has led to significant air pollution in Texas, with serious health and economic consequences for Texans. In the Greater Houston area, for example, 5,213 Texans died prematurely due to particulate matter exposure in 2015, resulting in over $49 billion in associated economic damages. Children living within two miles of the heavily industrialized Houston Ship Channel face a 56% greater risk of contracting leukemia, which researchers link to oil refineries and chemical plants.
To address the problem of air pollution in Texas, stronger enforcement of air pollution limits and more stringent penalties for violations are needed. Additionally, as climate change is expected to increase the frequency and intensity of wildfires, developing fire management strategies and disaster preparedness programs will be crucial to mitigating their impact on air quality.
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Air pollution is a serious health threat
Texas has poorer air quality compared to other states, with an average daily density of nine micrograms per cubic meter of fine particulate matter. The urban eastern and southern parts of Texas experience higher densities of fine particulate matter compared to the more rural northern and western sections. Wildfires in nearby states, such as California, Utah, Arizona, and Colorado, also contribute to the air pollution in Texas, as the residual smoke and aerosols can reach the state.
To protect oneself from the harmful effects of air pollution, individuals can check the air quality forecast in their community and avoid exercising or working outdoors when unhealthy air is expected. However, it is important to note that air pollution knows no borders, and the impact of poor air quality can be far-reaching. Therefore, it is essential that policymakers and government officials take steps to address air pollution and improve the air quality for their constituents.
The Clean Air Act has been successful in driving pollution reduction for over 50 years, and the U.S. Environmental Protection Agency (EPA) plays a critical role in monitoring and regulating air pollution. Despite their important work, the EPA faces challenges due to staffing and funding cuts, which may endanger their ability to protect public health.
In conclusion, air pollution poses a significant threat to human health and well-being, and it is crucial that individuals, communities, and governments work together to address this issue and ensure access to clean air for all.
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Texas air quality forecast
Texas air quality is impacted by a range of factors, including wildfires, industrial emissions, and urban pollution. The Texas Commission on Environmental Quality (TCEQ) provides daily forecasts and updates on air quality conditions in the state's metropolitan areas.
As of August 7, 2025, the TCEQ reported that light residual smoke from wildfires in California, Utah, Arizona, and Colorado was spreading over large areas of Texas, including the Panhandle, South Plains, Permian Basin, and North Central Texas. While most of the smoke was expected to remain at higher altitudes, some of it, along with associated aerosols, could reach the surface. This was predicted to contribute to slightly higher fine particulate concentrations in urban areas of North Central and South Central Texas, due to light winds and elevated humidity levels.
Despite the wildfire smoke, small burnings in East Texas and Western Louisiana were not expected to significantly affect fine particulate matter concentrations. The daily PM2.5 Air Quality Index (AQI) was forecast to be in the lower end of the "Moderate" range in parts of the Dallas-Fort Worth, Houston, and Tyler-Longview areas, with the rest of the state, including cities like Amarillo, Austin, and San Antonio, falling in the upper end of the "Good" range.
Additionally, an Ozone Action Day was in effect for the Dallas-Fort Worth area on August 7, 2025. The TCEQ recommends that individuals monitor local conditions and determine their activity levels accordingly, regardless of the forecast.
Texas air quality is also influenced by wildfires in Canada, which can produce smoke that affects states in the Central and Northeast United States. The state's air quality can be monitored through various tools, such as the AirNow Mobile App, EnviroFlash emails, web cameras, and custom AirNow Maps.
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EPA's role in monitoring air pollution
The Texas Commission on Environmental Quality (TCEQ) is responsible for monitoring air pollution levels across the state. Texas has one of the most robust air monitoring networks in the country, with over 200 monitoring stations serving over 25 million Texans. This network assists the TCEQ in monitoring compliance with federal air quality standards, responding to localized air quality concerns, and evaluating air pollution trends. The TCEQ also maintains the Texas Air Monitoring Information System (TAMIS), which allows users to access near real-time ambient air quality data.
The U.S. Environmental Protection Agency (EPA) also plays a crucial role in monitoring air pollution in Texas. The EPA's Region 6, for instance, is responsible for educating communities about the risks associated with hazardous air pollution and minimizing their exposure. The Air Enforcement Branch serves as the principal point of contact for all stakeholders on Texas air pollution enforcement issues, responding to requests for Applicability Determination, Alternative Monitoring, and Compliance Assistance Projects. The EPA also conducts inspections and takes enforcement actions to address violations of environmental regulations.
In addition, the EPA has worked with the Texas Commission on Environmental Quality to monitor air quality during emergencies, such as Hurricane Harvey in 2017. However, a report by the EPA's internal watchdog agency found that the EPA and TCEQ did not begin monitoring air quality quickly enough during the hurricane, which led to a release of millions of pounds of hazardous air pollution from oil refineries and other facilities. The EPA's Office of Inspector General announced an investigation into post-Harvey air quality monitoring efforts to determine whether the monitoring focused on potential high-risk areas and whether the findings were accurately communicated to the public.
The EPA also works closely with other organizations to ensure compliance with environmental regulations in Texas. For example, the Water Enforcement Branch collaborates with the Department of the Interior's Bureau of Ocean Energy Management, Regulation, and Enforcement to conduct inspections of offshore platforms in Texas. The EPA also works with the Texas Commission on Environmental Quality to provide oversight for the Texas Underground Storage Tank Program and Leaking Underground Storage Tank Program.
Overall, the EPA plays a crucial role in monitoring air pollution in Texas, working in collaboration with state and local agencies to ensure compliance with federal air quality standards and protect public health and the environment.
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Frequently asked questions
Texas is one of the world's largest global warming polluters and has poorer air quality compared to other states. The state is the largest consumer of coal in the United States, and emissions from the power sector alone exceed the pollution from entire economies of most states. The top polluters in the state are power companies and refineries.
Air pollution in Texas comes from both in-state and out-of-state sources. Wildfires in California, Utah, Arizona, and Colorado have caused residual smoke to drift over large parts of Texas. Additionally, small burnings in East Texas and Western Louisiana contribute to the smoke. The eastern and southern parts of Texas experience higher densities of fine particulate matter due to light daytime winds and elevated relative humidity levels.
Long-term exposure to air pollutants increases the risk of premature death among people aged 65 and older, even at levels below the National Ambient Air Quality Standards. Air pollution has also been linked to decreased lung function, chronic bronchitis, and asthma.
Texas has made progress in reducing greenhouse gas emissions from the electricity sector and is ranked first and second for wind and solar power production, respectively. However, the state still relies heavily on fossil fuels, and there are ongoing discussions about transitioning to a fossil fuel-free economy to achieve a net-zero future.
