Which U.S. city has the cleanest air?


Which U.S. city has the cleanest air? Over 90% of cities had good air quality on most days in 2021. Map of metro areas colored by % good air quality days. The give best are Honolulu, Hawaii (99.7%), Kahului-Wailuku-Lahaina, HI(99.7%), Lake Havasu City-Kingman, AZ (99.2%), Longview, WA (98.6%), Olympia, WA (98.5%).


What are the top 3 cleanest states?

The cleanest states
  1. 1. California Cleanliness Score: 7.36. California is the cleanest state overall with a cleanliness score of 7.36. ...
  2. HawaiiCleanliness Score: 6.94. Hawaii claims second place with a cleanliness score of 6.94. ...
  3. WashingtonCleanliness Score: 6.40.


Where is the cleanest city in USA?

Honolulu, Hawaii Honolulu tops the most lists as the cleanest city in the United States.


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