SmogRank / World / United States / Ohio / August 2024
Most polluted cities in Ohio, United States, August 2024
27 cities in Ohio, United States ranked by their average PM2.5 over the 31 days. Worst: Dublin at 12.5 µg/m³, #261 of 1,962 cities in the world. Cleanest: Lima at 5.4. A city needs measurements on 70% of the days to be ranked.
Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.
- 1Dublin 0%
- 2Columbus 0%
- 3Oregon 0%
- 4Cincinnati 0%
- 5Middletown 0%
- 6Norwood 0%
- 7Canton 0%
- 7Cleveland 0%
- 9Westerville 0%
- 10Sharonville 0%
- 11Warren 0%
- 12Wheelersburg 0%
- 13Dayton 0%
- 13Steubenville 0%
- 15Springfield 0%
- 16Maumee 0%
- 17Youngstown 0%
- 18Akron 0%
- 19Medina 0%
- 20Dent 0%
- 21Cleveland Heights 0%
- 21Toledo 0%
- 21Warrensville Heights 0%
- 24Lebanon 0%
- 25Painesville 0%
- 26New Albany 0%
- 27Lima 0%
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
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SmogRank, most polluted cities in Ohio, United States, PM2.5, August 2024, smogrank.com/us/region/ohio/history/2024-08 (accessed 6 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.