Bangkok, Thailand and air pollution

More than 350 schools in Bangkok have been forced to close due to air pollution, authorities in Thailand’s capital have said.
Flying through Bangkok's cloudless blue skies, a small aircraft sprays a white mist over a thick haze of pea soup smog below.
Air pollution in the Thai capital forced more than 350 schools to close on Friday, city authorities said, the highest number ...
Thai authorities on Friday closed more than 350 schools in the capital Bangkok due to air pollution, according to local media ...
Air pollution in the Thai capital forced more than 350 schools to close on Friday, city authorities said, the highest number in five years. Bangkok officials also announced free public transport ...