What is the air quality in Cincinnati OH KY IN?

Cincinnati OH KY IN, United States of America has an annual US AQI of 56 (Reasonable) and average PM2.5 of 12.5 µg/m³, ranking #1516 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Cincinnati OH KY IN?

April is typically the cleanest month (AQI 51) and July the most polluted (AQI 64).

Where does Cincinnati OH KY IN's air quality data come from?

PM2.5: 1998–2026 (monitors 1999–2026, satellite 1998; 2026 provisional (AirNow)). Measured by government monitoring stations. Full sources are on the methodology page.

Cincinnati OH KY IN, United States of America — Air Quality & Clean City Guide 2026

Cincinnati OH KY IN Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1516	Cincinnati OH KY IN, United States of America	North America	AQI 56	PM2.5 12.5 µg/m³