What is the air quality in Chattanooga TN GA?

Chattanooga TN GA, United States of America has an annual US AQI of 56 (Reasonable) and average PM2.5 of 11.9 µg/m³, ranking #1419 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Chattanooga TN GA?

January is typically the cleanest month (AQI 52) and August the most polluted (AQI 63).

Where does Chattanooga TN GA's air quality data come from?

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

Chattanooga TN GA, United States of America — Air Quality & Clean City Guide 2026

Chattanooga TN GA Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1419	Chattanooga TN GA, United States of America	North America	AQI 56	PM2.5 11.9 µg/m³