15 Cities with the Cleanest Air in the World

Page 14 of 16

3. Honolulu, Hawaii, USA

PM 2.5 annual mean, ug/m3: 4.27

Honolulu, Hawaii, ranks third on our list of cities with the cleanest air in the world. It is ranked among top cities with best air quality in the USA, as well. Lack of heavy industries and abundance of nature definitely contribute to low pollution levels and clean air. It is definitely another reason to choose Hawaii for your next vacation. In addition to heavenly beaches and landscape, you can enjoy clean air as well.

15 Cities with the Cleanest Air in the World

Pixabay/Public Domain

Page 14 of 16