CHIANG MAI: A total of 2,201 hotspots were detected across the North on Tuesday, most of them in conservation forests, the Region 3 centre for prevention and mitigation of air pollution reported on Wednesday.

Of the total, 1,388 hotspots were in the upper part of the region and 813 in the lower North.

Full story: Bangkok Post

Panumet Tanraksa and Bangkok Post Online Reporters