SmogRank / United States / Georgia / Douglas
Douglas, month by month
Douglas has a measured daily mean on 628 days since 11 September 2023. Its worst month was February 2024, at 59 US AQI (13.3 µg/m³), 401st of 2,486 cities on that month's world ranking. Its cleanest was September 2024, at 39 US AQI (7.0 µg/m³).
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
18 months
| Month | Why |
|---|---|
| Feb 2026 | 16 of 28 days measured; a month needs 20. The others: 1 with readings for part of the day (a day needs 18 hours), 11 with under 18 hours of readings or readings that failed our checks. |
| Jan 2026 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Dec 2025 | No day measured. |
| Nov 2025 | No day measured. |
| Oct 2025 | No day measured. |
| Sep 2025 | No day measured. |
| Aug 2025 | No day measured. |
| Jul 2025 | No day measured. |
| Jun 2025 | No day measured. |
| May 2025 | No day measured. |
| Apr 2025 | No day measured. |
| Mar 2025 | No day measured. |
| Feb 2025 | No day measured. |
| Jan 2025 | No day measured. |
| Dec 2024 | No day measured. The others: 31 with no readings from the monitor. |
| Nov 2024 | No day measured. The others: 30 with no readings from the monitor. |
| Oct 2024 | 8 of 31 days measured; a month needs 22. The others: 21 with no readings from the monitor, 2 with readings for part of the day (a day needs 18 hours). |
| Sep 2023 | 20 of 30 days measured; a month needs 21. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Douglas's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| February 2024 | 5913.3 µg/m³ | 401stof 2,486 | Georgia, Alabama and Tennessee, United States, February 2024 South-eastern United States, February 2024 |
| March 2026 | 5611.6 µg/m³ | 1,296thof 2,971 | South-eastern United States, March 2026 |
| July 2026 | 5511.2 µg/m³ | 1,069thof 2,784 | – |
| April 2026 | 5310.1 µg/m³ | 931stof 2,941 | Georgia, South Carolina and Florida, United States, April 2026 |
| November 2023 | 529.6 µg/m³ | 717thof 2,243 | – |
| August 2026 | 519.3 µg/m³ | 1,098thof 2,896 | – |
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.
Douglas's worst days
| Day | US AQI | Episode |
|---|---|---|
| 22 Apr 2026 | 15359.0 µg/m³ | Georgia, South Carolina and Florida, United States, April 2026 |
| 3 Oct 2023 | 12645.6 µg/m³ | South-eastern United States, October 2023 |
| 22 Feb 2024 | 12344.5 µg/m³ | South-eastern United States, February 2024 |
| 23 Apr 2026 | 11340.5 µg/m³ | Georgia, South Carolina and Florida, United States, April 2026 |
| 27 Sept 2026 | 10737.9 µg/m³ | – |
| 13 Feb 2026 | 10637.6 µg/m³ | – |
| 21 Mar 2026 | 9834.1 µg/m³ | South-eastern United States, March 2026 |
| 21 Feb 2024 | 8929.6 µg/m³ | South-eastern United States, February 2024 |
| 3 Feb 2024 | 8628.0 µg/m³ | – |
| 2 Feb 2024 | 8527.4 µg/m³ | – |
Daily means, the highest since 11 Sept 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, Douglas, United States, 11 Sep 2023 – 12 Oct 2026. Monitor data from AirNow, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/us/douglas-georgia/history (accessed 13 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.
Douglas now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-13 04:07 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).