SmogRank / World / United States / Texas / March 2026
Most polluted cities in Texas, United States, March 2026
36 cities in Texas, United States ranked by their average PM2.5 over the 31 days. Worst: El Paso at 13.6 µg/m³, #995 of 2,947 cities in the world. Cleanest: Cedar Park at 5.8. A city needs measurements on 70% of the days to be ranked.
Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.
- 1Socorro 3%
- 2El Paso 0%
- 3Odessa 0%
- 4Mission 0%
- 5Eagle Pass 0%
- 6Port Isabel 0%
- 7Texarkana 0%
- 8Corpus Christi 0%
- 9Highlands 0%
- 10Edinburg 0%
- 11Austin 0%
- 12Lacy-Lakeview 0%
- 12Timberwood Park 0%
- 14Houston 0%
- 14Windcrest 0%
- 16Conroe 0%
- 17San Antonio 0%
- 18Pasadena 0%
- 19Fort Worth 0%
- 19Helotes 0%
- 19Wells Branch 0%
- 22College Station 0%
- 22Corsicana 0%
- 22Mission Bend 0%
- 25Kaufman 0%
- 25River Oaks 0%
- 27Port Arthur 0%
- 27Taylor 0%
- 29Lockhart 0%
- 29San Marcos 0%
- 31Lubbock 0%
- 32Seabrook 0%
- 33Pflugerville 0%
- 34Belton 0%
- 34Galveston 0%
- 36Cedar Park 0%
The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
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SmogRank, most polluted cities in Texas, United States, PM2.5, March 2026, smogrank.com/us/region/texas/history/2026-03 (accessed 6 Oct 2026).
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