Chiang Mai has been ranked as the world’s fifth-worst city for air quality, with PM2.5 levels exceeding safe limits across the province. Hod district experienced the highest levels, with PM2.5 reaching 144 microgrammes per cubic metre today, March 22. The weakening of a cold air mass has caused reduced air ventilation, contributing to the accumulation …
The story Toxic haze: Chiang Mai at No. 5 globally for poor air quality as seen on Thaiger News. Chiang Mai News | Thaiger…