Air Emissions

This chart represents calendar year 2020 nitrogen oxide emissions for the State of Texas. 39 percent of emissions are from mobile sources, 34 percent of emissions are from area sources, and 27 percent of emissions are from point sources.

This chart represents calendar year 2020 volatile organic compound emissions for the State of Texas. 88 percent of emissions are from area sources, 7 percent of emissions are from mobile sources, and 5 percent of emissions are from point sources.

This chart represents calendar year 2020 volatile organic compound emissions for the eight-county Houston-Galveston-Brazoria area. The HGB area includes Brazoria, Chambers, Fort Bend, Galveston, Harris, Liberty, Montgomery, and Waller counties. 68 percent of emissions are from area sources, 16 percent of emissions are from mobile sources, and 16 percent of emissions are from point sources.

This chart represents calendar year 2020 nitrogen oxide emissions for the eight-county Houston-Galveston-Brazoria area. The HGB area includes Brazoria, Chambers, Fort Bend, Galveston, Harris, Liberty, Montgomery, and Waller counties. 57 percent of emissions are from mobile sources, 30 percent of emissions are from point sources, and 13 percent of emissions are from area sources.

This chart represents calendar year 2020 volatile organic compound emissions for the 10-county Dallas-Fort Worth area. The DFW area includes Collin, Dallas, Denton, Ellis, Johnson, Kaufman, Parker, Rockwall, Tarrant, and Wise counties. 76 percent of emissions are from area sources, 19 percent of emissions are from mobile sources, and 5 percent of emissions are from point sources.

This chart represents calendar year 2020 nitrogen oxide emissions for the 10-county Dallas-Fort Worth area. The DFW area includes Collin, Dallas, Denton, Ellis, Johnson, Kaufman, Parker, Rockwall, Tarrant, and Wise counties. 63 percent of emissions are from mobile sources, 23 percent of emissions are from area sources, and 14 percent of emissions are from point sources.

This chart represents calendar year 2020 volatile organic compound emissions for the four-county San Antonio area. The San Antonio area includes Bexar, Comal, Guadalupe, and Wilson counties. 77 percent of emissions are from area sources, 20 percent of emissions are from mobile sources, and 3 percent of emissions are from point sources.

This chart represents calendar year 2020 nitrogen oxide emissions for the four-county San Antonio area. The San Antonio area includes Bexar, Comal, Guadalupe, and Wilson counties. 52 percent of emissions are from mobile sources, 36 percent of emissions are from point sources, and 12 percent of emissions are from area sources.

This chart represents calendar year 2020 volatile organic compound emissions for El Paso County. 69 percent of emissions are from area sources, 24 percent of emissions are from mobile sources, and 7 percent of emissions are from point sources.

This chart represents calendar year 2020 nitrogen oxide emissions for El Paso County. 66 percent of emissions are from mobile sources, 22 percent of emissions are from point sources, and 12 percent of emissions are from area sources.