SmogRank / World / United States / Ohio / February 2026
Most polluted cities in Ohio, United States, February 2026
28 cities in Ohio, United States ranked by their average PM2.5 over the 28 days. Worst: Wheelersburg at 16.6 µg/m³, #714 of 2,841 cities in the world. Cleanest: Lima at 7.6. 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.
- 1Wheelersburg 0%
- 2Toledo 0%
- 3Oregon 0%
- 4Westerville 0%
- 5Norwood 0%
- 6Middletown 0%
- 7Cleveland 0%
- 8Maumee 0%
- 9Steubenville 0%
- 10Cincinnati 0%
- 10Columbus 0%
- 12Dayton 0%
- 13Canton 0%
- 14Akron 0%
- 14Dublin 0%
- 14Medina 0%
- 17Warrensville Heights 0%
- 17Warren 0%
- 19Painesville 0%
- 20Cleveland Heights 0%
- 21Shaker Heights 0%
- 21Youngstown 0%
- 23Springfield 0%
- 24Sharonville 0%
- 25Dent 0%
- 25Lebanon 0%
- 27New Albany 0%
- 28Lima 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, February 2026, smogrank.com/us/region/ohio/history/2026-02 (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.