SmogRank / United States / Texas / College Station
College Station, month by month
College Station has a measured daily mean on 1,264 days since 1 January 2023. Its worst month was May 2024, at 61 US AQI (14.7 µg/m³), 293rd of 2,684 cities on that month's world ranking. Its cleanest was October 2023, at 27 US AQI (4.9 µg/m³). 2025 averaged 45 US AQI (8.1 µg/m³), against 47 US AQI (8.4 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 |
|---|---|
| Nov 2025 | 20 of 30 days measured; a month needs 21. The others: 10 with under 18 hours of readings or readings that failed our checks. |
| Feb 2025 | 19 of 28 days measured; a month needs 20. The others: 9 with under 18 hours of readings or readings that failed our checks. |
| May 2023 | 20 of 31 days measured; a month needs 22. The others: 11 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.
College Station's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| May 2024 | 6114.7 µg/m³ | 293rdof 2,684 | Southern United States and Mexico, 19 to 28 May 2024 Southern United States and Mexico, 7 to 10 May 2024 |
| July 2023 | 5712.3 µg/m³ | 365thof 1,432 | – |
| July 2024 | 5410.7 µg/m³ | 597thof 2,566 | Southern and eastern United States and Mexico, July and August 2024 |
| July 2026 | 5410.6 µg/m³ | 1,211thof 2,784 | – |
| June 2023 | 5410.5 µg/m³ | 709thof 1,603 | – |
| June 2024 | 5310.2 µg/m³ | 601stof 2,563 | – |
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.
College Station's worst days
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, College Station, 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/college-station/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.
College Station 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).