Chiang Mai, Mae Sot reel under severe air pollution
Chiang Mai and Mae Sot district in Tak province continued to suffer from severe air pollution caused by seasonal smog, as particulate matter smaller than 2.5 microns (PM2.5) in these two areas rose beyond safe levels, posing serious health threats to local people.
The air quality report of the Pollution Control Department (PCD) showed that most areas in the northern region saw improved air quality as of Friday, with the exception of Chiang Mai and Mae Sot. PM2.5 levels in both places continued to aggravate and as of Friday morning PM2.5 levels in Chiang Mai peaked at 124 micrograms per cubic metre of air while it was 204mcg in Mae Sot.