What is the air quality in Lima OH?

Lima OH, United States of America has an annual US AQI of 49 (Reasonable) and average PM2.5 of 9.9 µg/m³, ranking #707 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Lima OH?

October is typically the cleanest month (AQI 42) and June the most polluted (AQI 58).

Where does Lima OH's air quality data come from?

PM2.5: 1998–2026 (monitors 2010–2026, satellite 1998–2009, 2018–2019; 2026 provisional (AirNow)). Measured by government monitoring stations. Full sources are on the methodology page.

Lima OH, United States of America — Air Quality & Clean City Guide 2026

Lima OH Air Quality Data

Global rank	City	Continent	AQI	PM2.5
707	Lima OH, United States of America	North America	AQI 49	PM2.5 9.9 µg/m³