In Pictures: Sandstorm in Beijing 組圖：北京沙塵暴

Sandstorm in Beijing on March 15, 2021. At 9:28 a.m., the PM10 (particles smaller than 10 microns in diameter) index in Dongcheng District reached 8487. The normal standard is less than 50

In addition to Beijing, 11 other provinces and cities in northern China are experiencing dust weather and some areas are experiencing sandstorms. The Central Weather Station of China said this is the strongest and most widespread sandstorm to hit the mainland in the past 10 years.

2021年3月15日，北京市出現沙塵暴。上午9：28，東城區PM10（即直徑小於10微米的顆粒）指數高達8487。正常標準應該是小於50 .

除北京外，中國北方其它11省市均出現沙塵天氣，部分地區現沙塵暴。大陸中央氣象台稱，這是近10年來大陸遭遇最強、最廣的一次沙塵暴。 #Beijing​ #Sandstorm​ #pollution​

On March 15, 2021, a sandstorm occurred in Beijing. At 9:28 a.m., the PM10 (particles smaller than 10 microns in diameter) index in Dongcheng District reached 8487. The normal standard is less than 50 . 2021年3月15日，北京市出現沙塵暴。上午9：28，東城區PM10（即直徑小於10微米的顆粒）指數高達8487。正常標準應該是小於50 .

Air Pollution Standards 空氣污染通行標準