The Chinese city of Shijiazhuang experienced concentrations of fine particulate matter responsible for air pollution which were 100 times in excess of World Health Organisation (WHO) guidelines on the second day . Levels rose to 1,000 micrograms per cubic metre, compared to WHO guidelines of no more than an annual average of 40 micrograms. Artist Liu Bolin wearing a vest with 24 mobile phones walks in smog as he live broadcasts air pollution in the city on the fourth day after a red alert was issued for heavy air pollution in Beijing, China, December 19, 2016. In total, over 1,000 cities in the northeast of the country issued pollution alerts. Red alerts, the highest possible warnings in relation to the Air Quality Index , were issued by 40 cities. Such alerts are increasing common in Shijiazhuang ’s industrial region, largely due to the use of coal power.
The Chinese city of Shijiazhuang experienced concentrations of fine particulate matter responsible for air pollution which were 100 times in excess of World Health Organisation (WHO) guidelines on the second day . Levels rose to 1,000 micrograms per cubic metre, compared to WHO guidelines of no more than an annual average of 40 micrograms. In total, over 1,000 cities in the northeast of the country issued pollution alerts. Red alerts, the highest possible warnings in relation to the Air Quality Index , were issued by 40 cities. Such alerts are increasing common in Shijiazhuang ’s industrial region, largely due to the use of coal power.