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Smog Shuts Down Chinese City Of 11 Million

Smog Shuts Down Chinese City Of 11 Million

Business Insider - Reuters

An index measuring PM2.5, or particulate matter with a diameter of 2.5 micrometers (PM2.5), reached a reading of 1,000 in some parts of Harbin, the gritty capital of northeastern Heilongjiang province and home to some 11 million people. A level above 300 is considered hazardous, while the World …

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