What is the air quality in Springfield OH?

Springfield OH, United States of America has an annual US AQI of 55 (Reasonable) and average PM2.5 of 11.5 µg/m³, ranking #1303 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Springfield OH?

October is typically the cleanest month (AQI 47) and July the most polluted (AQI 61).

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

PM2.5: 1998–2026 (monitors 2000–2026, satellite 1998–2001, 2008; 2026 provisional (AirNow)). Measured by government monitoring stations. Full sources are on the methodology page.

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

Springfield OH Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1303	Springfield OH, United States of America	North America	AQI 55	PM2.5 11.5 µg/m³