What is the air quality in Anchorage AK?

Anchorage AK, United States of America has an annual US AQI of 34 (Reasonable) and average PM2.5 of 5.6 µg/m³, ranking #108 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Anchorage AK?

September is typically the cleanest month (AQI 22) and January the most polluted (AQI 45).

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

PM2.5: 1998–2026 (monitors 1999–2026, satellite 1998–1999, 2007–2008, 2022, model 2026; 2026 provisional (AirNow)). Measured by government monitoring stations. Full sources are on the methodology page.

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

Anchorage AK Air Quality Data

Global rank	City	Continent	AQI	PM2.5
108	Anchorage AK, United States of America	North America	AQI 34	PM2.5 5.6 µg/m³