Dust in the North is suffocating, PM 2.5 exceeds the standard by 2-3 times for 7 consecutive days.
It was also found that the PM2.5 dust values in some provinces, such as Mae Hong Son, have been at the red level for 7 consecutive days, and many provinces in the North, mostly at the orange level, have begun to affect health for several days, such as Chiang Mai, where the air quality is ranked 9th in the world for hazardous air. However, fro