(THIS ARTICLE IS COURTESY OF THE SHANGHAI DAILY NEWS)
SHANGHAI suffered a second bout of pollution this week due to the accumulation of pollutants caused by a lack of wind as well as pollutants from neighboring provinces, said the environment authority.
Today is forecast to be heavily polluted and the situation will improve by weekend.
The city’s average air quality index had been rising since yesterday morning and reached 163, or moderately polluted, at 11am. PM2.5, tiny particles that are hazardous to health, was the major pollutant.
The peak came at 1pm when the index reached 172, with Jing’an and Qingpu districts reporting the worst situation with the density of PM2.5 surpassing 140 micrograms per cubic meter — more than five times the World Health Organization’s standard of 25.
According to Shanghai Environmental Monitoring Center’s prediction, the air quality this morning is expected to be rated as heavily polluted with the AQI falling between 190 and 210.
The index will drop slightly to the level of moderately polluted this afternoon, but is expected to climb above 200 tonight.
Tomorrow will see a slightly polluted air quality with the AQI forecast to fall between 105 and 125, thanks to some easterly winds that should bring cleaner air in from the sea.
Citizens should enjoy a much better air quality over the weekend, according to forecasts.
This is the second round of pollution that Shanghai has endured this week.
On Monday, a blue-color air pollution alert, lowest of the four-tier system, was issued when the AQI hit 227, or heavily polluted, in the morning.
On Tuesday good air quality lasted until some high atmospheric pressure created poor dispersion conditions across the city.
Meanwhile, a slight drop of temperature is expected for the rest of this week.
The highest temperature is forecast to drop to 11 degrees Celsius on Saturday, compared with 15 degrees today, which will be sunny.