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Air quality plummets
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AIR quality dropped quickly from excellent to heavily polluted yesterday, as readings of PM2.5 rose from less than 40 micrograms per cubic meter to 245 micrograms per cubic meter at 4pm due to meteorological conditions, said officials.
It won’t bounce back today and people with weak immune systems are advised to stay indoors.
A wave of pollutants moved over the city from the west yesterday and local discharges and the still weather worsened the situation, the Shanghai Environmental Monitoring Center said.
Today is forecast to be moderately polluted in the morning and moderately to lightly polluted in the afternoon. PM2.5 will be the top pollutant in the morning and PM10 will be in the afternoon.
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