Hawaii Air Quality by City

Hawaii has 3 cities with an air-quality page, from Honolulu (345,482 people) on down. Each page leads with the live AQI, the main pollutant driving it, and a go/no-go for outdoor exercise on the EPA scale.

Cities in Hawaii

3 cities with an air-quality page, largest first

CityTypical AQI (county median, 2025)Population
Honolulu29 Good345,482
Kailua29 Good129,469
Discovery Harbour32 Good1,079

Our dataset lists 158 places in Hawaii; the 3 above have a page. For a smaller town, the nearest city above is the closest match.