![]() The Independent |
China plans emergency measures to control worsening air pollution
The Independent Heavy snowfall in Beijing brought some relief yesterday, when the US Embassy's air quality index, measuring PM2.5, or particulate matter with a diameter of 2.5 micrometres, gave a merely "unhealthy" reading at 197, down from more than 400 the day … Beijing Grapples with Record Air Pollution |
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