SmogRank / World / United States / Texas / March 2025
Most polluted cities in Texas, United States, March 2025
33 cities in Texas, United States ranked by their average PM2.5 over the 31 days. Worst: El Paso at 45.2 µg/m³, #119 of 2,809 cities in the world. Cleanest: Texarkana at 8.1. 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.
- 1El Paso 27%
- 2Socorro 19%
- 3Port Isabel 7%
- 4Odessa 7%
- 5Lubbock 6%
- 6Fort Worth 6%
- 7Kaufman 6%
- 8Denton 3%
- 9Texarkana 3%
- 10Lacy-Lakeview 3%
- 11Belton 3%
- 12River Oaks 3%
- 13Corsicana 3%
- 14Mission 0%
- 15Corpus Christi 0%
- 16Houston 0%
- 17Conroe 0%
- 18Windcrest 0%
- 19Pasadena 0%
- 20Helotes 0%
- 20Wells Branch 0%
- 22Highlands 0%
- 22San Antonio 0%
- 24Eagle Pass 0%
- 25Timberwood Park 0%
- 26Seabrook 0%
- 27San Marcos 0%
- 28Mission Bend 0%
- 29Austin 0%
- 29College Station 0%
- 31Taylor 0%
- 32Lockhart 0%
- 33Galveston 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 2025, smogrank.com/us/region/texas/history/2025-03 (accessed 6 Oct 2026).
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