SmogRank / United States / Texas / Odessa
Odessa, month by month
Odessa has a measured daily mean on 1,305 days since 1 January 2023. Its worst month was March 2025, at 63 US AQI (15.4 µg/m³), 913th of 2,862 cities on that month's world ranking. Its cleanest was January 2023, at 25 US AQI (4.5 µg/m³). 2025 averaged 48 US AQI (8.7 µg/m³), against 41 US AQI (7.4 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
1 month
| Month | Why |
|---|---|
| Nov 2025 | 15 of 30 days measured; a month needs 21. The others: 15 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.
Odessa's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| March 2025 | 6315.4 µg/m³ | 913thof 2,862 | South-western United States and Mexico, March 2025 United States and Mexico, March 2025 |
| March 2026 | 5611.9 µg/m³ | 1,234thof 2,971 | – |
| April 2025 | 5410.8 µg/m³ | 985thof 2,951 | – |
| May 2025 | 529.9 µg/m³ | 887thof 2,826 | South-western United States and Mexico, May 2025 |
| May 2024 | 529.8 µg/m³ | 785thof 2,684 | – |
| August 2023 | 529.7 µg/m³ | 668thof 1,980 | – |
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.
Odessa's worst days
| Day | US AQI | Episode |
|---|---|---|
| 18 Mar 2025 | 18198.5 µg/m³ | South-western United States and Mexico, March 2025 |
| 14 Mar 2025 | 14452.9 µg/m³ | United States and Mexico, March 2025 |
| 14 May 2025 | 9733.8 µg/m³ | South-western United States and Mexico, May 2025 |
| 15 Mar 2026 | 9331.8 µg/m³ | – |
| 27 Mar 2026 | 9030.1 µg/m³ | – |
| 24 Mar 2024 | 8427.0 µg/m³ | – |
| 20 Apr 2023 | 8426.6 µg/m³ | – |
| 4 Mar 2025 | 8326.1 µg/m³ | – |
| 1 Apr 2024 | 8225.9 µg/m³ | – |
| 1 Aug 2024 | 8024.8 µg/m³ | – |
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, Odessa, 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/odessa/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.
Odessa now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 17:07 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).