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 2018, Nitrogen Oxides (NOX) emissions decreased 69% 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. Latest complete annual emissions data is 2018. - Ozone esign values from EPA's Air Quality System (AQS).
- All data current as of 10/25/2020.
- Between 2000 and 2018, Volatile Organic Compound (VOC) emissions decreased 48% 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. Latest complete annual emissions data is 2018.
- Ozone design values from EPA's Air Quality System (AQS).
- All data current as of 10/25/2020.
- Between 2000 and 2018, Sulfur Dioxide (SO2) emissions decreased 67%.
- 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. Latest complete annual emissions data is 2018.
- All data current as of 10/25/2020.
- Since 2000 NOX emissions have decreased by 78% in the Houston-Galveston-Brazoria (HGB) 8-county area, 72% in the Dallas-Fort Worth (DFW) 10-county area, 54% in the Beaumont-Port Arthur (BPA) 3-county area, 49% in the San Antonio 1-county area, and 31% 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. Latest complete annual emissions data is 2018.
- All data current as of 10/25/2020.
- Since 2000 VOC emissions have decreased by 51% in the Houston-Galveston-Brazoria (HGB) 8-county area, 24% in the Dallas-Fort Worth (DFW) 10-county area, 36% in the Beaumont-Port Arthur (BPA) 3-county area, 7% in the San Antonio 1-county area, and 35% 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. Latest complete annual emissions data is 2018.
- All data current as of 10/25/2020.
- Since 2000 SO2 emissions have decreased by 58% in the Houston-Galveston-Brazoria (HGB) 8-county area, 83% in the Dallas-Fort Worth (DFW) 10-county area, 44% in the Beaumont-Port Arthur (BPA) 3-county area, 34% in the San Antonio 1-county area, and 52% 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. Latest complete annual emissions data is 2018.
- All data current as of 10/25/2020.