SmogRank / United States / Texas / El Paso
El Paso, month by month
El Paso has a measured daily mean on 1,243 days since 1 January 2023. Its worst month was March 2025, at 125 US AQI (45.2 µg/m³), 119th of 2,862 cities on that month's world ranking. Its cleanest was May 2023, at 28 US AQI (5.0 µg/m³). 2025 averaged 63 US AQI (15.7 µg/m³), against 54 US AQI (10.8 µg/m³) in 2024.
Every month since 2023
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
Months without a mean, and why
3 months
| Month | Why |
|---|---|
| Feb 2025 | 10 of 28 days measured; a month needs 20. The others: 18 with under 18 hours of readings or readings that failed our checks. |
| Jan 2025 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Dec 2024 | 4 of 31 days measured; a month needs 22. The others: 27 with under 18 hours of readings or readings that failed our checks. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
El Paso's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| March 2025 | 12545.2 µg/m³ | 119thof 2,862 | South-western United States and Mexico, March 2025 |
| April 2025 | 8728.3 µg/m³ | 189thof 2,951 | South-western United States and Mexico, April 2025 |
| May 2025 | 6315.5 µg/m³ | 384thof 2,826 | South-western United States and Mexico, May 2025 |
| November 2024 | 6214.8 µg/m³ | 423rdof 2,624 | – |
| April 2026 | 6114.7 µg/m³ | 589thof 2,941 | – |
| October 2024 | 6114.4 µg/m³ | 279thof 2,020 | – |
Monthly means over the days measured; finished months only. World rank: its place on that month's world ranking of every city with enough days. Each month opens that ranking.
El Paso's worst days
| Day | US AQI | Episode |
|---|---|---|
| 18 Mar 2025 | 310230.0 µg/m³ | South-western United States and Mexico, March 2025 |
| 1 Apr 2025 | 241166.0 µg/m³ | South-western United States and Mexico, April 2025 |
| 27 Apr 2025 | 220145.0 µg/m³ | – |
| 5 Mar 2025 | 208133.0 µg/m³ | – |
| 6 Mar 2025 | 202127.0 µg/m³ | – |
| 4 Mar 2025 | 201126.0 µg/m³ | – |
| 3 Mar 2025 | 199124.0 µg/m³ | – |
| 17 Apr 2025 | 185104.0 µg/m³ | – |
| 18 Apr 2025 | 17792.5 µg/m³ | – |
| 14 May 2025 | 14151.8 µg/m³ | South-western United States and Mexico, May 2025 |
Daily means, the highest since 1 Jan 2023; the WHO's daily guideline is 15 µg/m³. Each date opens that day's world ranking, and each episode the bad-air spell it was part of.
Use this history
SmogRank, PM2.5 monthly and daily means, El Paso, United States, 1 Jan 2023 – 11 Oct 2026. Monitor data from AirNow, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/us/el-paso/history (accessed 12 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.
El Paso now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 22:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index. Some low-cost readings: Sensor.Community, ODbL (data and licence). Some readings: Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); RMCAB (Secretaría Distrital de Ambiente, Bogotá); Love My Air (City and County of Denver), no reuse terms published (why we use them).