SmogRank / United States / Ohio / Dublin
Dublin, month by month
Dublin, Ohio has a measured daily mean on 1,357 days since 1 January 2023. Its worst month was June 2023, at 88 US AQI (28.7 µg/m³), 110th of 1,603 cities on that month's world ranking. Its cleanest was May 2026, at 28 US AQI (5.0 µg/m³). 2025 averaged 45 US AQI (8.1 µg/m³), against 46 US AQI (8.3 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
Dublin's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| June 2023 | 8828.7 µg/m³ | 110thof 1,603 | Eastern United States and Canada, June and July 2023 United States and Canada, June 2023and 1 more |
| July 2026 | 6516.8 µg/m³ | 430thof 2,784 | Northern United States and Canada, July 2026 |
| November 2023 | 6315.8 µg/m³ | 135thof 2,243 | Eastern United States and Canada, November 2023 |
| August 2024 | 5712.5 µg/m³ | 288thof 2,010 | – |
| July 2023 | 5712.4 µg/m³ | 354thof 1,432 | United States and Canada, July 2023 North-eastern United States, 4 to 5 July 2023and 1 more |
| June 2025 | 5511.3 µg/m³ | 938thof 2,508 | Northern United States and Canada, May and June 2025 |
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.
Dublin's worst days
| Day | US AQI | Episode |
|---|---|---|
| 17 Jul 2026 | 237162.0 µg/m³ | Northern United States and Canada, July 2026 |
| 28 Jun 2023 | 209134.0 µg/m³ | Eastern United States and Canada, June and July 2023 |
| 29 Jun 2023 | 186106.0 µg/m³ | Eastern United States and Canada, June and July 2023 |
| 27 Jun 2023 | 15865.4 µg/m³ | Eastern United States and Canada, June and July 2023 |
| 17 Jul 2023 | 14151.7 µg/m³ | United States and Canada, July 2023 |
| 7 Jun 2023 | 13950.8 µg/m³ | Eastern United States and Canada, May and June 2023 |
| 8 Jun 2023 | 11641.6 µg/m³ | Eastern United States and Canada, May and June 2023 |
| 6 Jun 2023 | 11641.5 µg/m³ | Eastern United States and Canada, May and June 2023 |
| 5 Nov 2023 | 11440.6 µg/m³ | Eastern United States and Canada, November 2023 |
| 17 Jun 2023 | 11340.2 µg/m³ | United States and Canada, June 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, Dublin, Ohio, 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/dublin-ohio/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.
Dublin now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 22:07 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).