What is the air quality in Idaho Falls ID?

Idaho Falls ID, United States of America has an annual US AQI of 43 (Reasonable) and average PM2.5 of 6.5 µg/m³, ranking #351 of 5856 cities. Main pollutant: O3.

What is the cleanest month in Idaho Falls ID?

October is typically the cleanest month (AQI 35) and August the most polluted (AQI 50).

Where does Idaho Falls ID's air quality data come from?

PM2.5: 1998–2026 (monitors 2001–2004, 2006–2007, 2017–2026, satellite 1998–2001, 2004–2005, 2008–2016; 2026 provisional (AirNow)). Measured by government monitoring stations. Full sources are on the methodology page.

Idaho Falls ID, United States of America — Air Quality & Clean City Guide 2026

Idaho Falls ID Air Quality Data

Global rank	City	Continent	AQI	PM2.5
351	Idaho Falls ID, United States of America	North America	AQI 43	PM2.5 6.5 µg/m³