Chiang Mai tops list of most polluted cities in the world

Chiang Mai topped the list of the most-polluted cities in the world according to AirVisual. Meanwhile, the Philippines is not on the list.

AirVisual provides the world’s #1 international  air pollution app, which offers anyone free access to the world’s largest air quality database, spanning 10000+ locations globally, a list which is growing every day.

Here is the list.

Photo: Chiangmai City Life