Chiang Mai ‘3rd most polluted city’
PM2.5 dust levels higher than 200
Chiang Mai was ranked as the third most air-polluted city in the world on Wednesday, with an average PM2.5 dust level higher than 200.
The northern province is battling with a critical level of air pollution due to wildfire smoke, with the average amount of PM2.5 exceeding the safe level at all four air quality monitoring stations in the municipal area on Wednesday.
An air quality monitoring station in tambon Suthep of Muang district reported PM2.5 of 102 µg/m3 — the highest amount of all four stations.
On the website of AirVisual, Chiang Mai was ranked the third most polluted in the world as of 11am on Wednesday, after…
