Air Quality Successes - Air EmissionsTexas’ air quality has made huge strides in the past few decades. The state has devoted significant resources for air monitoring and research to advance the science and find innovative ways to improve air quality.https://www.tceq.texas.gov/airquality/airsuccess/airsuccessemissionshttps://www.tceq.texas.gov/@@site-logo/TCEQ-logo-header.png
Air Quality Successes - Air Emissions
Texas’ air quality has made huge strides in the past few decades. The state has devoted significant resources for air monitoring and research to advance the science and find innovative ways to improve air quality.
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Texas NOX Emissions
Between 2000 and 2022, Nitrogen Oxides (NOX) emissions decreased 72% and measured ground level ozone concentrations decreased 30%.
Emissions data reported by sites that met the TCEQ reporting requirements as stated in 30 Texas Administrative Code, Section 101.10
for the given year. The latest complete annual emissions data is 2022.
Ozone design values from EPA's Air Quality System (AQS).
All data current as of 6/12/2024.
* Design values are ambient-monitored values that are health-based and established by the EPA. More info
Texas VOC Emissions
Between 2000 and 2022, Volatile Organic Compound (VOC) emissions decreased 51% and measured ground level ozone concentrations decreased 30%.
Emissions data reported by sites that met the TCEQ reporting requirements as stated in 30 Texas Administrative Code, Section 101.10
for the given year. The latest complete annual emissions data is 2022.
Ozone design values from EPA's Air Quality System (AQS).
All data current as of 6/12/2024.
* Design values are ambient-monitored values that are health-based and established by the EPA. More info
Texas SO2 Emissions
Between 2000 and 2022, Sulfur Dioxide (SO2) emissions decreased 78%.
Emissions data reported by sites that met the TCEQ reporting requirements as stated in 30 Texas Administrative Code, Section 101.10
for the given year. The latest complete annual emissions data is 2022.
All data current as of 6/12/2024.
Texas Area NOX Trends
Since 2000 NOX emissions have decreased by 77% in the Houston-Galveston-Brazoria (HGB) 8-county area, 69% in the Dallas-Fort Worth (DFW) 10-county area, 57% in the Beaumont-Port Arthur (BPA) 3-county area, 59% in the San Antonio 1-county area, and 37% in the El Paso 1-county area.
Emissions data reported by sites that met the TCEQ reporting requirements as stated in 30 Texas Administrative Code, Section 101.10
for the given year. The latest complete annual emissions data is 2022.
All data current as of 6/12/2024.
* Design values are ambient-monitored values that are health-based and established by the EPA. More info
Texas Area VOC Trends
Since 2000 VOC emissions have decreased by 53% in the Houston-Galveston-Brazoria (HGB) 8-county area, 28% in the Dallas-Fort Worth (DFW) 10-county area, 48% in the Beaumont-Port Arthur (BPA) 3-county area, 19% in the San Antonio 1-county area, and 26% in the El Paso 1-county area.
Emissions data reported by sites that met the TCEQ reporting requirements as stated in 30 Texas Administrative Code, Section 101.10
for the given year. The latest complete annual emissions data is 2022.
All data current as of 6/12/2024.
Texas Area SO2 Trends
Since 2000 SO2 emissions have decreased by 63% in the Houston-Galveston-Brazoria (HGB) 8-county area, 76% in the Dallas-Fort Worth (DFW) 10-county area, 57% in the Beaumont-Port Arthur (BPA) 3-county area, 93% in the San Antonio 1-county area, and 68% in the El Paso 1-county area.
Emissions data reported by sites that met the TCEQ reporting requirements as stated in 30 Texas Administrative Code, Section 101.10
for the given year. The latest complete annual emissions data is 2022.
