Bangkok PM2.5 levels hit danger zone

PM2.5 pollution rose to moderate and high-risk levels in 21 areas of Bangkok and Samut Prakan province yesterday, according to the Pollution Control Department.

Bangkok PM2.5 levels hit danger zone
PM2.5 pollution rose to moderate and high-risk levels in 21 areas of Bangkok and Samut Prakan province yesterday, according to the Pollution Control Department.