What part of Thailand has the best air quality?
As of November 2023, Nakhon Ratchasima, the capital of Nakhon Ratchasima province in Thailand ranked first as the city with the cleanest air quality in the country, with an air quality index of 17 points. In comparison, Bang Khun Thian in Bangkok was the most polluted city in terms of air quality in the country.Nov 8, 2566 BE.
https://smartairfilters.com/en/blog/10-least-polluted-cities-in-thailand-2023-rankings/