What is the air quality in Bismarck ND?

Bismarck ND, United States of America has an annual US AQI of 38 (Reasonable) and average PM2.5 of 6.7 µg/m³, ranking #207 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Bismarck ND?

October is typically the cleanest month (AQI 31) and July the most polluted (AQI 45).

Where does Bismarck ND'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.

Bismarck ND, United States of America — Air Quality & Clean City Guide 2026

Bismarck ND Air Quality Data

Global rank	City	Continent	AQI	PM2.5
207	Bismarck ND, United States of America	North America	AQI 38	PM2.5 6.7 µg/m³