The air is humid,choking.
Many people are put on a mask.
The elderly and the sick people to stay indoors and avoid physical exertion, the general population should avoid outdoor activities.
Sustained heavy fog is very unfavorable to the diffusion of air pollutants, Jinan air pollution has been in a severe and above the level of contamination. Especially since Jan. 28, by the impact of persistent heavy fog the pollutant concentrations continued to rise in Jinan, the Air Quality Index (AQI) is greater than 300, is a serious pollution levels of major pollutants that affect air quality fine particles (PM2 .5) and respirable particles (PM10).