What is the air quality in Huntsville AL?

Huntsville AL, United States of America has an annual US AQI of 51 (Reasonable) and average PM2.5 of 10.7 µg/m³, ranking #903 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Huntsville AL?

January is typically the cleanest month (AQI 46) and August the most polluted (AQI 60).

Where does Huntsville AL's air quality data come from?

PM2.5: 1998–2026 (monitors 1999–2026, satellite 1998–1999, 2003, 2016–2017; 2026 provisional (AirNow)). Measured by government monitoring stations. Full sources are on the methodology page.

Huntsville AL, United States of America — Air Quality & Clean City Guide 2026

Huntsville AL Air Quality Data

Global rank	City	Continent	AQI	PM2.5
903	Huntsville AL, United States of America	North America	AQI 51	PM2.5 10.7 µg/m³