After a day of rainfall, fog descends on Beijing on Wednesday. Weather authorities warned of low visibility.
Heavy smog has returned to the skies of Beijing after a two-month break, with authorities predicting the pollution will linger due to unfavorable conditions.
Beijing on Monday unveiled a package of measures to curb vehicle emissions over the next five years as part of the its increasing efforts to improve air quality.
Beijing vows to reduce PM 2.5 density by 25%
Strong winds dispersed Beijing's lingering haze, but ushered in dust storms and a sharp temperature drop on Saturday.
The 2012 Annual Report on Motor Vehicle Pollution Control in China, released Thursday, emphasized a growing trend of compound sources in the country's air pollution.