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BEIJING, Sept. 26 (Xinhua) -- An approaching cold front will help disperse smog in Beijing Monday night, the local meteorological authority said.
After rain Monday morning, winds of up to 28 km per hour over the night are expected to clear the air, Beijing Meteorological Service said.
Shi Shaoying, deputy head of the municipal meteorological center, said smog can be an issue in early autumn.
Beijing experienced serious smog on Saturday and Sunday, with Air Quality Index (AQI) readings above 200. The AQI was still 120 at 9 p.m. Monday.
The density of PM2.5 in Beijing decreased by 12.5 percent year on year in January to August, according to Beijing Environmental Protection Bureau.
The average PM2.5 reading in the first eight months was 63 micrograms per cubic meter.
Beijing aims to keep average PM2.5 levels below 60 micrograms per cubic meters in 2017. In 2015, the level was 80.6 micrograms, down from 95.7 micrograms in 2012.
