Northern Thailand faces severe air pollution crisis with Chiang Mai and Pai experiencing hazardous conditions causing health complications.

Chiang Mai has repeatedly ranked as one of the world's most polluted major cities on the IQAir monitoring website this week

The backpacker destination of Pai is experiencing even worse air quality levels than Chiang Mai

Residents are reporting serious health symptoms including blood clots and burning eyes from the pollution exposure

The pollution crisis is significantly impacting public health and daily life in northern Thailand's major tourist areas