Wildfires create worst air quality in San Francisco Bay Area
Posted by DAISY NGUYEN on 13th October 2017

This post was originally published on FOX NEWS

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Smoke from the wildfires north of San Francisco has sank air quality level in the Bay Area to the same unhealthy level as some of China’s smog-choked cities, sending people to emergency rooms, forcing schools to close and people to wear masks when they step outside.