5 Cities with the Cleanest Air in the World

In this article, we will look into the 5 cities with the cleanest air in the world. If you want to read our detailed analysis, you can go directly to the 20 Cities with the Cleanest Air in the World.

5. Salt Lake City, USA

Live Air Quality Index (2024): 9

Salt Lake City is ranked among the cities with the cleanest air in the world. As of April 26, the city has an air quality index of 9. Its PM2.5 concentration is 2.1 μg/m³.

4. Aukland, New Zealand

Live Air Quality Index (2024): 5

Auckland is a city located in North Island, New Zealand. It is one of the cleanest cities in the world with an AQI of 5, as of April 26. Its PM2.5 concentration is 1.1 μg/m³.

3. Vancouver BC, Canada

Live Air Quality Index (2024): 4

Vancouver is one of the largest cities in British Columbia. As of April 26, the city has a live AQI of 4 and a PM2.5 concentration of 1 μg/m³. It is one of the cities with the cleanest air in the world.

2. Seattle, USA

Live Air Quality Index (2024): 3

Seattle is a city in Washington state, United States, Its live air quality index is 3, as of April 26. Its PM2.5 concentration is as low as 0.8 μg/m³.

1. Portland, USA

Live Air Quality Index (2024): 3

Portland tops our list of the cities with the cleanest air in the world. As of April 26, the city has an AQI of 3. Its PM2.5 concentration is 0.7 μg/m³.

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