SmogRank / United States / Texas / Mission
Mission, month by month
Mission has a measured daily mean on 972 days since 1 February 2024. Its worst month was May 2024, at 103 US AQI (36.3 µg/m³), 51st of 2,684 cities on that month's world ranking. Its cleanest was September 2025, at 36 US AQI (6.5 µg/m³). 2025 averaged 52 US AQI (9.9 µg/m³), against 61 US AQI (14.5 µg/m³) in 2024.
Every month since 2024
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
Mission's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| May 2024 | 10336.3 µg/m³ | 51stof 2,684 | Southern United States and Mexico, 19 to 28 May 2024 Southern United States and Mexico, 15 to 16 May 2024and 1 more |
| April 2024 | 6818.2 µg/m³ | 292ndof 2,520 | Texas, United States, April 2024 Southern United States and Mexico, April 2024 |
| June 2024 | 6617.2 µg/m³ | 141stof 2,563 | Southern United States and Mexico, June 2024 |
| July 2026 | 6315.4 µg/m³ | 496thof 2,784 | – |
| March 2024 | 6214.9 µg/m³ | 224thof 1,698 | Southern United States and Mexico, March 2024 |
| March 2025 | 6214.9 µg/m³ | 954thof 2,862 | United States and Mexico, March 2025 |
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.
Mission's worst days
| Day | US AQI | Episode |
|---|---|---|
| 5 Jun 2024 | 15764.1 µg/m³ | Southern United States and Mexico, June 2024 |
| 27 May 2024 | 15358.4 µg/m³ | Southern United States and Mexico, 19 to 28 May 2024 |
| 26 May 2024 | 15257.5 µg/m³ | Southern United States and Mexico, 19 to 28 May 2024 |
| 24 May 2024 | 15155.6 µg/m³ | Southern United States and Mexico, 19 to 28 May 2024 |
| 10 May 2024 | 15055.4 µg/m³ | Southern United States and Mexico, 7 to 10 May 2024 |
| 6 Jun 2024 | 14854.7 µg/m³ | Southern United States and Mexico, June 2024 |
| 16 May 2024 | 14051.2 µg/m³ | Southern United States and Mexico, 15 to 16 May 2024 |
| 25 May 2024 | 13047.4 µg/m³ | Southern United States and Mexico, 19 to 28 May 2024 |
| 9 May 2024 | 12445.0 µg/m³ | Southern United States and Mexico, 7 to 10 May 2024 |
| 20 May 2024 | 12043.3 µg/m³ | Southern United States and Mexico, 19 to 28 May 2024 |
Daily means, the highest since 1 Feb 2024; 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, Mission, United States, 1 Feb 2024 – 11 Oct 2026. Monitor data from AirNow, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/us/mission/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.
Mission now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 19:07 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).