Chiang Mai, Chiang Mai's air quality is no. 1 in the world once again. Both forest fires in the area - cross-border smog. This morning (21 April) Ban Pang Mayao, Chiang Dao District, PM 2.5 values ??as high as 543 micrograms/cubic meter. 14 times higher than the standard Wildfire smog situation make chiang mai This morning is still a city in fog. The vision is cloudy. Pollution levels higher than standard Because yesterday there was illegal burning of forest and dry grass in the area near the city. Both the area of ??Ban Pong subdistrict, Hang Dong district, and the area of ??San Sai Noi subdistrict, San Sai district, where dry grass is illegally burned. Until it spread and there was a lot of smoke. It took officials up to 3 hours to extinguish the fire, while in the Doi Tao District area Helicopters had to be used to sprinkle water to extinguish forest fires on high mountains. But it still hasn't completely extinguished. Until it was dark, the mission had to be canceled. and flew in to extinguish a new fir e today Including the Chiang Dao District area, there are still forest fires, along with forest fire smoke drifting across the border. Climate Change Information Center Chiang Mai University Hourly report at 7:00 a.m., highest PM2.5 value in the area. Ban Pang Mayao Subdistrict Health Promoting Hospital, Ping Khong Subdistrict, Chiang Dao District, is at 543 micrograms per cubic meter. or 14 times higher than the standard value, followed by the area Ban Mai Subdistrict Health Promoting Hospital, Mueang Kong Subdistrict, Chiang Dao District, also at 379 micrograms per cubic meter. In Mueang Chiang Mai District Muen San Community is at 184 micrograms per cubic meter. and the Night Bazaar area, 127 micrograms per cubic meter. Affects health heat point section This morning found only 9 points on the IQ Air website. A report at 7:00 a.m. ranked Chiang Mai as the world's number 1 worst city with worst air again, but as of 11:00 a.m., it had dropped to number 6, while Bangkok was ranked number 7. The air quality i ndex or AQI was at the same 148. Source: Thai News Agency