What is the air quality in Juneau AK?

Juneau AK, United States of America has an annual US AQI of 35 (Reasonable) and average PM2.5 of 5.9 µg/m³, ranking #138 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Juneau AK?

September is typically the cleanest month (AQI 28) and December the most polluted (AQI 48).

Where does Juneau AK's air quality data come from?

PM2.5: 1998–2026 (monitors 1999–2026, satellite 1998–1999, 2003–2006, 2009, 2016; 2026 provisional (AirNow)). Measured by government monitoring stations. Full sources are on the methodology page.

Juneau AK, United States of America — Air Quality & Clean City Guide 2026

Juneau AK Air Quality Data

Global rank	City	Continent	AQI	PM2.5
138	Juneau AK, United States of America	North America	AQI 35	PM2.5 5.9 µg/m³