SmogRank / United States / Rhode Island / Providence
Providence, month by month
Providence has a measured daily mean on 1,368 days since 1 January 2023. Its worst month was November 2023, at 53 US AQI (10.2 µg/m³), 580th of 2,243 cities on that month's world ranking. Its cleanest was September 2026, at 18 US AQI (3.2 µg/m³). 2025 averaged 36 US AQI (6.5 µg/m³), against 31 US AQI (5.6 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
Providence's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| November 2023 | 5310.2 µg/m³ | 580thof 2,243 | – |
| June 2025 | 529.4 µg/m³ | 1,481stof 2,508 | – |
| June 2023 | 519.3 µg/m³ | 904thof 1,603 | Eastern United States and Canada, June and July 2023 Eastern United States and Canada, May and June 2023 |
| September 2023 | 519.2 µg/m³ | 749thof 2,176 | North-eastern United States and Canada, September and October 2023 |
| July 2025 | 519.2 µg/m³ | 1,469thof 2,889 | – |
| July 2023 | 519.1 µg/m³ | 751stof 1,432 | Eastern United States and Canada, June and July 2023 |
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.
Providence's worst days
| Day | US AQI | Episode |
|---|---|---|
| 1 Jul 2023 | 11440.8 µg/m³ | Eastern United States and Canada, June and July 2023 |
| 6 Jun 2023 | 9934.6 µg/m³ | Eastern United States and Canada, May and June 2023 |
| 18 Jul 2026 | 9733.7 µg/m³ | Northern United States and Canada, July 2026 |
| 1 Oct 2023 | 9331.5 µg/m³ | North-eastern United States and Canada, September and October 2023 |
| 8 Jun 2023 | 9030.0 µg/m³ | Eastern United States and Canada, May and June 2023 |
| 7 Jun 2023 | 8728.5 µg/m³ | Eastern United States and Canada, May and June 2023 |
| 30 Jun 2023 | 8225.7 µg/m³ | Eastern United States and Canada, June and July 2023 |
| 5 Aug 2025 | 8024.8 µg/m³ | – |
| 15 Jul 2026 | 8024.5 µg/m³ | Northern United States and Canada, July 2026 |
| 2 Jul 2023 | 7823.8 µg/m³ | Eastern United States and Canada, June and July 2023 |
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, Providence, 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/providence/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.
Providence 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).