Air in Beijing less hazardous so far this year
Print Edition
BEIJING’S average PM2.5 density — the particulate matter that causes hazardous smog — decreased in the first 10 months of this year, authorities said yesterday.
Beijing’s average density of hazardous fine particulate matter from January to October was 64 micrograms per cubic meter, a year-on-year decrease of 8.6 percent, according to the Beijing Municipal Environmental Protection Bureau.
The capital city saw 172 days with good air quality during the 10 months, 11 days more than the same period last year.
Average densities of sulfur dioxide, nitrogen dioxide and PM10 (particulate matter with a diameter of less than 10 micrometers) from January to October were down by 30.8 percent, 6.5 percent and 12.9 percent year on year, respectively, according to the bureau.
But as Beijing enters the heating season this month, its air is likely to become foul again, according to the Beijing Municipal Environmental Monitoring Center.
Beijing is transforming its coal-fired boilers with clean energy in a move to clear up the air.
After completion at the end of this year, the green equipment will help to cut Beijing’s coal use by 2 million tons. That means an annual decrease of dust by about 30,000 tons, reducing sulfur dioxide by about 16,000 tons and nitrogen oxide by about 5,000 tons.
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