SmogRank / United States / Florida / Lake City
Lake City, month by month
Lake City has a measured daily mean on 1,223 days since 4 January 2023. Its worst month was June 2023, at 55 US AQI (11.3 µg/m³), 611th of 1,603 cities on that month's world ranking. Its cleanest was October 2025, at 33 US AQI (5.9 µg/m³). 2025 averaged 51 US AQI (9.2 µg/m³), against 49 US AQI (8.9 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 |
|---|---|
| Oct 2024 | 16 of 31 days measured; a month needs 22. The others: 7 with no readings from the monitor, 8 with readings for part of the day (a day needs 18 hours). |
| Mar 2023 | 11 of 31 days measured; a month needs 22. The others: 20 missing from OpenAQ's archive. |
| Feb 2023 | 3 of 28 days measured; a month needs 20. The others: 25 missing from OpenAQ's archive. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Lake City's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| June 2023 | 5511.3 µg/m³ | 611thof 1,603 | Eastern United States and Canada, June and July 2023 |
| July 2026 | 5511.1 µg/m³ | 1,089thof 2,784 | – |
| August 2023 | 5410.8 µg/m³ | 474thof 1,980 | – |
| April 2026 | 5410.8 µg/m³ | 813thof 2,941 | Georgia, South Carolina and Florida, United States, April 2026 |
| February 2024 | 5410.6 µg/m³ | 589thof 2,486 | – |
| January 2026 | 5410.6 µg/m³ | 1,021stof 2,617 | – |
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.
Lake City's worst days
| Day | US AQI | Episode |
|---|---|---|
| 23 Apr 2026 | 11139.5 µg/m³ | Georgia, South Carolina and Florida, United States, April 2026 |
| 19 Apr 2026 | 9230.9 µg/m³ | – |
| 3 Oct 2023 | 8929.6 µg/m³ | South-eastern United States, October 2023 |
| 21 Apr 2026 | 8527.4 µg/m³ | Georgia, South Carolina and Florida, United States, April 2026 |
| 7 May 2026 | 8426.7 µg/m³ | – |
| 18 Jul 2023 | 8426.6 µg/m³ | United States and Canada, July 2023 |
| 29 Jun 2023 | 8326.5 µg/m³ | Eastern United States and Canada, June and July 2023 |
| 2 Dec 2024 | 8326.4 µg/m³ | – |
| 11 Mar 2024 | 8125.3 µg/m³ | – |
| 7 Jan 2023 | 7924.1 µg/m³ | – |
Daily means, the highest since 4 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, Lake City, United States, 4 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/lake-city/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.
Lake City 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).