SmogRank / United States / Texas / Denton
Denton, month by month
Denton has a measured daily mean on 1,180 days since 1 January 2023. Its worst month was May 2023, at 56 US AQI (11.8 µg/m³), 279th of 1,600 cities on that month's world ranking. Its cleanest was November 2024, at 29 US AQI (5.2 µg/m³). 2025 averaged 46 US AQI (8.2 µg/m³), against 44 US AQI (8.0 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
7 months
| Month | Why |
|---|---|
| Mar 2026 | 18 of 31 days measured; a month needs 22. The others: 13 with under 18 hours of readings or readings that failed our checks. |
| Aug 2024 | 20 of 31 days measured; a month needs 22. The others: 11 with under 18 hours of readings or readings that failed our checks. |
| May 2024 | 21 of 31 days measured; a month needs 22. The others: 10 with under 18 hours of readings or readings that failed our checks. |
| Apr 2024 | 8 of 30 days measured; a month needs 21. The others: 22 with under 18 hours of readings or readings that failed our checks. |
| Feb 2024 | 15 of 29 days measured; a month needs 21. The others: 1 missing from OpenAQ's archive, 13 with under 18 hours of readings or readings that failed our checks. |
| Mar 2023 | 10 of 31 days measured; a month needs 22. The others: 20 missing from OpenAQ's archive, 1 with under 18 hours of readings or readings that failed our checks. |
| Feb 2023 | 2 of 28 days measured; a month needs 20. The others: 25 missing from OpenAQ's archive, 1 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.
Denton's worst months
| Month | US AQI | World rank |
|---|---|---|
| May 2023 | 5611.8 µg/m³ | 279thof 1,600 |
| July 2026 | 5611.7 µg/m³ | 952ndof 2,784 |
| June 2023 | 5511.5 µg/m³ | 590thof 1,603 |
| August 2026 | 5511.5 µg/m³ | 622ndof 2,896 |
| August 2023 | 5511.2 µg/m³ | 426thof 1,980 |
| September 2025 | 5511.0 µg/m³ | 556thof 3,104 |
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.
Denton's worst days
| Day | US AQI | Episode |
|---|---|---|
| 14 Mar 2025 | 15663.0 µg/m³ | United States and Mexico, March 2025 |
| 1 Aug 2024 | 9532.8 µg/m³ | Southern and eastern United States and Mexico, July and August 2024 |
| 15 Mar 2025 | 9231.1 µg/m³ | United States and Mexico, March 2025 Eastern United States, March 2025 |
| 31 Jul 2024 | 8326.2 µg/m³ | Southern and eastern United States and Mexico, July and August 2024 |
| 28 Apr 2026 | 8225.7 µg/m³ | Southern United States and Mexico, April 2026 |
| 25 May 2024 | 7823.6 µg/m³ | – |
| 12 May 2023 | 7722.8 µg/m³ | – |
| 6 Dec 2025 | 7722.8 µg/m³ | – |
| 2 Aug 2024 | 7622.5 µg/m³ | Southern and eastern United States and Mexico, July and August 2024 |
| 4 Jun 2024 | 7622.3 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, Denton, 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/denton/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.
Denton now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 18:07 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).