Chiang Mai, Thailand (AFP) Mar 15, 2024

Thai tourist hotspot Chiang Mai was blanketed by hazy smog Friday, as residents and visitors to the usually picturesque northern city were left wheezing in the toxic air.

The city topped air monitoring website IQAir’s table of the world’s most polluted cities early Friday.

Levels of PM2.5 pollutants – cancer-causing microparticles small enough to enter the bloodstream through the lungs
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