Clean air isn’t a luxury in these cities—it’s the norm. While smog-choked metros struggle with pollution, these places enjoy fresh, breathable air year-round.
Whether it’s thanks to ocean breezes, low population density, or strict environmental policies, these cities boast some of the best air quality in the country. Here’s where you’ll find the freshest air in America.
1. Urban Honolulu, Hawaii
Hawaii’s capital isn’t just paradise for beach lovers—it’s also a haven for clean air. Surrounded by the Pacific Ocean, Honolulu benefits from constant trade winds that sweep away pollutants, keeping the air crisp and healthy.
2. Kahului-Wailuku-Lahaina, Hawaii
Located on the island of Maui, this region enjoys some of the cleanest air in the nation. The area’s small population, lack of heavy industry, and steady ocean breezes help keep pollution levels low all year long.
3. Cheyenne, Wyoming
Wyoming’s capital is known for its fresh mountain air and low pollution levels. With a small population and minimal industrial emissions, Cheyenne consistently ranks among the cleanest air cities in the country.
4. Wilmington, North Carolina
This charming port city benefits from coastal winds that push pollutants out to sea. Its relatively low population density and mild climate help keep the air free of harmful particles.
5. Casper, Wyoming
Another Wyoming city on the list, Casper enjoys clean air thanks to its high elevation and low industrial output. Surrounded by nature, it’s one of the best places to breathe deep and enjoy the outdoors.
6. St. George, Utah
Unlike its northern counterpart, Salt Lake City, St. George enjoys much cleaner air. Located in the state’s southwestern desert, the city’s low humidity and lack of pollution sources make for some of the freshest air in Utah.
7. Bellingham, Washington
Nestled near the Canadian border, Bellingham is known for its pristine air quality. Surrounded by forests and ocean, the city’s frequent rainfall helps wash away airborne pollutants, keeping the air fresh year-round.
8. Elmira-Corning, New York
This quiet upstate New York region boasts some of the cleanest air on the East Coast. With little industrial activity and plenty of green space, Elmira-Corning maintains low pollution levels.
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9. Sioux Falls, South Dakota
Sioux Falls is one of the cleanest cities in the Midwest, thanks to its small population and lack of major pollution sources. The area’s wide-open spaces and steady winds help keep air quality high.
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10. Duluth, Minnesota/Wisconsin
Duluth’s location on Lake Superior plays a big role in its clean air. The lake’s cooling effect and strong winds prevent pollution from settling, making this one of the healthiest places to breathe in the Midwest.
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