Chiang Mai is once again the city with the world’s dirtiest air
On Tuesday, Chiang Mai, the capital of northern Thailand’s Chiang Mai province, topped the list of cities with the world’s dirtiest air due to fine dust. On the morning of 9 April, Chiang Mai topped the list of cities with the world’s dirtiest air as thick smog continued to linger over Thailand’s northern region. Chiang…