Smog forced all but one (cq) of the largest northeastern Chinese (cq) cities to shut down today. (cq)
When it comes to air pollution, professionals use PM2.5 index meters, which read “particulate matter with a diameter of 2.5 micrometers,” (cq) to gauge air pollution. A reading over 20 is considered cautionary according to the World Health Organization (cq) while a reading over 300 is considered hazardous. (cq)
The capital of the northeastern Heilongjiang province, Harbin, (cq) showed readings of 1,000 in some places.
The smog is expected to last another 24 hours. (cq)
The public transportation bus systems are mostly down, (cq) schools are shut down, (cq) airports are closed, (cq) and visibility has been reduced to 10 meters. (cq)
A news station blamed the heating being turned on during the winter. (cq)