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Home » Metro » Environment
Haze sticks around but showers to clean air
By Cai Wenjun and Ni Yinbin |
September 21, 2012, Friday
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Print Edition
Print Edition
THE air quality yesterday failed to improve as expected, as winds were not as effective in blowing away pollutants as anticipated and a haze continued to hang around the city.
The sky won't be clear and blue today, either, as the Shanghai Environmental Monitoring Center still forecast poor air quality after two consecutive days of pollution.
The PM2.5 reading reached a peak at 8am yesterday to nearly 140 micrograms per cubic meter. Though the density started to drop afterwards, the data remained higher than the national standard the entire day.
The national standard of PM2.5 is 75 micrograms per cubic meter. As of 8pm yesterday, the average level of PM2.5 in the latest 24 hours was 120.6 micrograms per cubic meter.
Shanghai Meteorological Bureau said the city's air quality should improve this weekend as showers are expected.
Today is forecast to be cloudy and the sky should turn overcast this afternoon with a chance of showers at night and the high dropping to 27 degrees Celsius.
The showers should turn heavier tomorrow and the high should drop to 24 degrees, the bureau said.
The sky should turn clear again on Sunday with the mercury gradually climbing back. The high should be 26 or 27 degrees from Sunday into early next week.
The sky won't be clear and blue today, either, as the Shanghai Environmental Monitoring Center still forecast poor air quality after two consecutive days of pollution.
The PM2.5 reading reached a peak at 8am yesterday to nearly 140 micrograms per cubic meter. Though the density started to drop afterwards, the data remained higher than the national standard the entire day.
The national standard of PM2.5 is 75 micrograms per cubic meter. As of 8pm yesterday, the average level of PM2.5 in the latest 24 hours was 120.6 micrograms per cubic meter.
Shanghai Meteorological Bureau said the city's air quality should improve this weekend as showers are expected.
Today is forecast to be cloudy and the sky should turn overcast this afternoon with a chance of showers at night and the high dropping to 27 degrees Celsius.
The showers should turn heavier tomorrow and the high should drop to 24 degrees, the bureau said.
The sky should turn clear again on Sunday with the mercury gradually climbing back. The high should be 26 or 27 degrees from Sunday into early next week.
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