Chiang Mai city viewpoint when the smoke is bad visibility with PM2.5, the atmospheric particulate matter (PM) with a diameter of less than 2.5 micrometres. Pollution and Smog in Chiang Mai, Thailand. Poster #388766442
Chiang Mai city viewpoint when the smoke is bad visibility with PM2.5, the atmospheric particulate matter (PM) with a diameter of less than 2.5 micrometres. Pollution and Smog in Chiang Mai, Thailand. Poster #388766442
