What is the air quality in South Bend IN?

South Bend IN, United States of America has an annual US AQI of 54 (Reasonable) and average PM2.5 of 11.5 µg/m³, ranking #1230 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in South Bend IN?

October is typically the cleanest month (AQI 48) and July the most polluted (AQI 61).

Where does South Bend IN's air quality data come from?

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

South Bend IN, United States of America — Air Quality & Clean City Guide 2026

South Bend IN Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1230	South Bend IN, United States of America	North America	AQI 54	PM2.5 11.5 µg/m³