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The Weather Channel

Maine, Wyoming, Hawaii home to top cities for clean air

The Weather Channel · New
The Weather Channel
The Weather Channel
New

The 2025 “State of the Air” report highlights bright spots where clean air still prevails, with Honolulu and Casper, Wyoming tying for the best air in the nation. Other top performers include Cheyenne, Anchorage, St. George, Bozeman, Bangor, and parts of Maui.

Breakdown
  • Anchorage, Alaska and St. George, Utah tied for fifth place for clean air. 6s
  • Bangor, Maine ranked in the top 25 in three air cleanliness measures. 12s
  • Bozeman, Montana placed third, with Maui also highly ranked. 17s
  • Honolulu, Hawaii and Casper, Wyoming tied for first place in clean air. 22s
  • Nearly half of Americans live in areas with failing air quality grades. 35s
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