Motorcars run amid heavy fog in Pingxian County, north China's Hebei Province, Feb. 22, 2013. Some parts of Hebei Province were hit by fog and smog on Feb. 22 morning and the provincial meteorological bureau has issued a red alert. [Photo/Xinhua]
Beijng, Tianjin and Hebei Province have teamed up to curb air pollution, which has reached hazardous levels in the region several times this year, The Beijing News reports.