City suffers another morning of heavy air pollution – Shanghai Daily (subscription)

City suffers another morning of heavy air pollution
Shanghai Daily (subscription)
The PM2.5 reading reached about 210 micrograms per cubic meter at 9am today, indicating heavy air pollution. The reading of density nearly triples that of the country's national standard. China's national standard requires the PM2.5 density be kept
Shanghai air heavily polluted this morningEastDay.com
Soil pollution data still 'a secret'China.org.cn

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