SF Gate: The air quality in much of the Bay Area this week has at times been comparable to — or even worse than —Beijing, one of the most notoriously polluted cities in the world, as smoke from the Wine Country wildfires drifts south and settles over the region.
Smoke-choked residents wore masks while biking or walking to work, and even on BART trains and inside offices. Schools kept restless students indoors all day, or canceled classes altogether. A hundred miles from the fires, people showed up in emergency rooms saying they were having trouble breathing. Professor John Balmes is quoted.
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