Are you craving a breath of fresh air? Let’s explore the cleanest cities in the U.S. While pollution often makes the headlines, these cities shine as beacons of green and clean living. Ideal for families seeking eco-friendly vacation spots and outdoor enthusiasts looking for new adventures, these cities offer a refreshing escape.

 

A city’s cleanliness can be assessed in various ways, such as air quality, litter control, and eco-friendly initiatives. Additionally, its cleanliness can change over time due to population growth, industrial activities, and evolving environmental policies.

 

Read on to discover the top clean cities in America and what makes each one unique!

Honolulu, Hawaii

Cleanest Cities in the U.S. - Honolulu

According to the World Population Review, Honolulu is the cleanest city in the USA and one of the top 10 cleanest cities in the world. Despite Hawaii’s heavy reliance on tourism and the military, which makes it one of the top users of fossil fuels in the country, the state is on a mission to switch to 100% clean energy by 2045. When you visit, you can enjoy enjoy fresh air while hiking up Diamond Head, snorkeling in the stunning Hanauma Bay, or surfing on Waikiki Beach. The city’s clean streets and gorgeous scenery make it a joy to explore historical spots like Iolani Palace or hit the water for some sports.

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Orlando, Florida

Cleanest Cities in the U.S. - Orlando, Florida​

Orlando, Florida, is one of the cleanest cities in America, thanks to its low levels of short-term particle pollution, as noted in the American Lung Association’s 2022 “State of the Air” report. This achievement is backed by the city’s commitment to sustainability and green initiatives, like the GreenUp Orlando program, which focuses on beautifying the city and raising environmental awareness. Orlando’s famous theme parks, including Walt Disney World and Universal Orlando Resort, are leading the way in green practices.

Des Moines, Iowa

Cleanest Cities in the U.S. - Des Moines, Iowa​

Des Moines, Iowa, is another one of the cleanest cities in the U.S. It’s not just about its air quality—Des Moines also boasts the cleanest city water in the U.S., with the lowest levels of bacteria and chlorine. The city also stands out for having zero unhealthy ozone days. Visitors can explore the Downtown Farmers’ Market at Des Moines, bike along over 800 miles of trails, or visit the Science Center of Iowa and Adventureland Park.

Wilmington, North Carolina

Cleanest Cities in the U.S. - Wilmington, North Carolina​

Wilmington, North Carolina, is one of the cleanest cities in the U.S. With ultra-low ozone levels and particle pollution, it earns top “A” grades for its clean air. The city is committed to keeping things green. Wilmington’s environmental planning blends nature protection with urban development to ensure sustainable growth while preserving natural spaces. When you visit Wilmington, you can take a relaxing walk along the picturesque Riverwalk, check out the USS Battleship North Carolina, or enjoy the beautiful greenery at Airlie Gardens.

Lincoln, Nebraska

Cleanest Cities in the U.S. - Lincoln, Nebraska​

In 2019, Lincoln was named one of the cleanest cities in the U.S. According to the American Lung Association’s 2019 “State of the Air” report, Lincoln’s air quality was exceptional, being one of just six metropolitan areas in the U.S. with zero unhealthy air days between 2015 and 2017. Lincoln’s dedication to sustainability is clear in its Climate Action Plan, which focuses on reducing greenhouse gas emissions, boosting public transit, and promoting renewable energy. Outdoor enthusiasts can explore the city’s numerous parks and trails or visit Sunken Gardens, Pioneers Park Nature Center, and the Lincoln Children’s Zoo.

Anchorage, Alaska

Cleanest Cities in the U.S. - Anchorage, Alaska​

As one of the cleanest cities in the U.S., Anchorage, Alaska, ranked 9th place in the American Lung Association’s “State of the Air” 2024 report for its clean air. The city is committed to staying green, with the Anchorage Climate Action Plan aiming to cut greenhouse gas emissions by 80% by 2050 and boost community resilience. When you visit Anchorage, there’s so much to do to soak in its natural beauty and freshness. You can spot moose roaming around, check out stunning glaciers, dive into Alaska Native cultures, or bike along the Tony Knowles Coastal Trail.

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Prescott Valley, Arizona

Cleanest Cities in the U.S. - Prescott Valley, Arizona​

Prescott Valley, Arizona, scored a top spot among the 15 cities with the cleanest air in 2023. The city’s Stormwater Management Program aims to prevent pollution from storm drains and protect the local creeks and lakes. Prescott Valley is a paradise for nature lovers and those seeking a healthier lifestyle. With 27 parks to explore, like Fain Park, where you can check out old gold mining relics, and the nearby Prescott National Forest for epic hiking and camping, there’s no shortage of outdoor fun. The Mountain Valley Splash community pool is ideal for cooling off and enjoying various activities like diving, water slides, and swimming laps. 

Seattle, Washington

Cleanest Cities in the U.S. - Seattle, Washington​

Seattle, Washington, is often praised for being one of the cleanest cities in the U.S. This reputation is reflected in its robust waste management system, spotless streets, and extensive public transportation system. The city has introduced several green policies, like banning single-use plastic bags and setting high sustainability standards for new buildings. Residents also contribute by actively recycling and composting. Eco-friendly transportation options in Seattle include the Link Light Rail, which runs on renewable energy, and the King County Metro buses, many of which are hybrid or electric.

Cheyenne, Wyoming

Cleanest Cities in the U.S. - Cheyenne, Wyoming​

Cheyenne, Wyoming, is one of the cleanest cities in America due to its strong commitment to environmental quality. The city has implemented a Priority Climate Action Plan (PCAP) to identify projects, policies, and technologies to reduce pollution. Cheyenne is also making strides in clean energy with plans for a massive solar farm featuring 1.2 billion panels. Additionally, they are upgrading their wastewater treatment facilities to enhance water quality by removing ammonia and chlorine from the water released into Crow Creek.  

Takeaway

If you’re looking for fresh air and beautiful surroundings, the cleanest cities in the U.S. offer endless outdoor fun and eco-friendly efforts. Think of Honolulu’s gorgeous beaches and Anchorage’s amazing natural scenery. So, if you’re planning a vacation or considering moving, these cities are worth exploring. Start your trip right by signing up with OneAir to save up to 70% on unpublished flight deals you won’t find anywhere else.