What is the air quality in Sioux Falls SD?

Sioux Falls SD, United States of America has an annual US AQI of 45 (Reasonable) and average PM2.5 of 8 µg/m³, ranking #439 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Sioux Falls SD?

October is typically the cleanest month (AQI 38) and July the most polluted (AQI 52).

Where does Sioux Falls SD's air quality data come from?

PM2.5: 1998–2026 (monitors 1999–2026, satellite 1998–2000, 2003, 2021, 2023; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Sioux Falls SD, United States of America — Air Quality & Clean City Guide 2026

Sioux Falls SD Air Quality Data

Global rank	City	Continent	AQI	PM2.5
439	Sioux Falls SD, United States of America	North America	AQI 45	PM2.5 8 µg/m³