Report: PM2.5 hits 390 µg/cubic meter in Shanghai, 5x national limit and 15.6x WHO safety guideline
Green Car Congress
DECEMBER 26, 2013
times the World Health Organization’s (WHO’s) safety guideline of 25 µg/m 3. Due to the arrival of pollutants from north, the PM 2.5 The city’s average air quality index over 24 hours reached its peak at 6pm with a reading of 287, indicating heavy pollution, while Qingpu District recorded an AQI of 339, or severely polluted.
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