– It threatens human life, affects the productivity and lowers the status of one of the world’s most popular cities, says Greenpeace Thailandschef Tara Buakamsri to the AP.

several weeks In Bangkok has been embedded in a grayish smog in an unprecedented scale, writes the Bangkok Post. Hazardous levels have been measured and created scramble for face masks that sold out in several stores.

now recommends children, the elderly, pregnant women and the sick to stay indoors due to the high percentage of air particles less than 2.5 micrometers. Particles of this size are the most harmful category, and include nitrates that can penetrate the bloodstream if they are inhaled.

Three of the four districts in Bangkok are seriously exposed to smog and on Wednesday shut down all of the 437 state schools.

– the Situation remains critical, on 3 and 4 February, so I decided to close the schools, says the Bangkok governor Aswin Kwanmuang to the Bangkok Post.

to the people not to use diesel – or gasoline-powered vehicles, not to light fires outdoors and to not burn rökelsepinnar or paper during the upcoming chinese nyårsfesten.

the Pollution has been of great concern among the residents of the city who believe that the authorities ‘ measures are far from sufficient. For instance, they have tried to provoke the rain and sent up drones with solutions to reduce the harmful particles. Rainfall can be created by sprinkling, for example, the salt silverjodid or dry ice over the clouds from an airplane.

Critics believe that the bad air quality is due to the utsläppsreglerna for vehicles not maintained, poor urban planning and lack of green spaces.

the air pollution in Bangkok between January 1 and February 21 last year, the worst in the country’s history. Something which at the moment looks to be repeated with even worse results.