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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- Between 2000 and 2019, Nitrogen Oxides (NOX) emissions decreased 70% and measured ground level ozone concentrations decreased 28%.
- 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 2019. - Ozone design values from EPA's Air Quality System (AQS).
- All data current as of 5/13/2021.
- Between 2000 and 2019, Volatile Organic Compound (VOC) emissions decreased 48% and measured ground level ozone concentrations decreased 28%.
- 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 2019.
- Ozone design values from EPA's Air Quality System (AQS).
- All data current as of 5/13/2021.
- Between 2000 and 2019, Sulfur Dioxide (SO2) emissions decreased 73%.
- 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 2019.
- All data current as of 5/13/2021.
- 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, 62% in the San Antonio 1-county area, and 36% in the El Paso 1-county area.
- 30 Texas Administrative Code, Chapter 117 NOx rules went into effect in 1999.
- 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 2019.
- All data current as of 5/14/2021.
- Since 2000 VOC emissions have decreased by 50% in the Houston-Galveston-Brazoria (HGB) 8-county area, 26% in the Dallas-Fort Worth (DFW) 10-county area, 45% in the Beaumont-Port Arthur (BPA) 3-county area, 7% in the San Antonio 1-county area, and 26% in the El Paso 1-county area.
- 30 Texas Administrative Code, Chapter 115 Highly Reactive VOC rules went into effect in 2003.
- 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 2019.
- All data current as of 5/14/2021.
- Since 2000 SO2 emissions have decreased by 67% in the Houston-Galveston-Brazoria (HGB) 8-county area, 81% in the Dallas-Fort Worth (DFW) 10-county area, 52% in the Beaumont-Port Arthur (BPA) 3-county area, 95% in the San Antonio 1-county area, and 65% 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 2019.
- All data current as of 5/14/2021.