What is the air quality in Des Moines IA?

Des Moines IA, United States of America has an annual US AQI of 47 (Reasonable) and average PM2.5 of 9.1 µg/m³, ranking #576 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Des Moines IA?

October is typically the cleanest month (AQI 39) and July the most polluted (AQI 52).

Where does Des Moines IA'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.

Des Moines IA, United States of America — Air Quality & Clean City Guide 2026

Des Moines IA Air Quality Data

Global rank	City	Continent	AQI	PM2.5
576	Des Moines IA, United States of America	North America	AQI 47	PM2.5 9.1 µg/m³