
CHIANG MAI: Hazardous pollution levels in northern Thailand have left the historic city of Chiang Mai choking under thick smog, with local residents worried about the impact on tourism — and their health.
Smoke from forest fires and farmers burning crop stubble has suffocated the tourist city, with the global air monitoring platform IQAir ranking it among the most polluted places in the world — above regular hotspots such as Lahore and Delhi.