Chiang Mai, Chiang Mai is still in trouble! dense smog The air is ranked 3rd worst in the world. PM2.5 pollution levels are at the red level. Affects health Forest fire smog still heavily covers the sky in Chiang Mai. If you look from high up, there's only smog floating in the air. And there is still the smell of smoke. Pollution values ??or PM2.5 are at the red level. Affects health Climate Change Information Center Chiang Mai University Report hourly PM2.5 dust values ??at 7:00 a.m. in the Ban Hua Tho area. Chiang Dao District reached 501 micrograms per cubic meter. While this morning, heat spots were found scattered in 14 districts, up to 92 spots, with the Doi Tao district having the most at 18 spots. The IQAir website reported at 9:00 a.m. that Chiang Mai's air quality is the third worst in the world, with an AQI value of 179 after rising to number 1. of the world for 2 days in a row. Source: Thai News Agency