SmogRank / United States / Florida / Palm City
Palm City, month by month
Palm City has a measured daily mean on 1,314 days since 11 January 2023. Its worst month was July 2023, at 53 US AQI (10.3 µg/m³), 631st of 1,432 cities on that month's world ranking. Its cleanest was September 2026, at 25 US AQI (4.5 µg/m³). 2025 averaged 39 US AQI (7.0 µg/m³), against 35 US AQI (6.3 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
2 months
| Month | Why |
|---|---|
| Oct 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. |
| Jan 2023 | 20 of 31 days measured; a month needs 22. The others: 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.
Palm City's worst months
| Month | US AQI | World rank |
|---|---|---|
| July 2023 | 5310.3 µg/m³ | 631stof 1,432 |
| March 2023 | 519.3 µg/m³ | 314thof 911 |
| July 2024 | 519.2 µg/m³ | 951stof 2,566 |
| April 2025 | 519.1 µg/m³ | 1,447thof 2,951 |
| March 2025 | 498.9 µg/m³ | 1,796thof 2,862 |
| July 2025 | 498.8 µg/m³ | 1,560thof 2,889 |
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.
Palm City's worst days
| Day | US AQI | Episode |
|---|---|---|
| 3 Oct 2023 | 12846.5 µg/m³ | South-eastern United States, October 2023 |
| 17 Aug 2026 | 8024.7 µg/m³ | – |
| 21 Jul 2023 | 7220.5 µg/m³ | – |
| 22 Aug 2023 | 7220.5 µg/m³ | – |
| 5 Jun 2025 | 7120.1 µg/m³ | – |
| 3 Mar 2023 | 7120.0 µg/m³ | – |
| 25 Jul 2025 | 7120.0 µg/m³ | – |
| 16 Aug 2026 | 7120.0 µg/m³ | – |
| 24 Jul 2023 | 7019.5 µg/m³ | – |
| 10 Jul 2024 | 7019.4 µg/m³ | – |
Daily means, the highest since 11 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, Palm City, United States, 11 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/palm-city/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.
Palm City now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-13 01:07 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).