Wildfire smoke chokes Bay Area, creating worst air quality in the world
Will 49ers' opener be postponed due to air quality? Here are the key factors
49ers-Giants game not likely to be affected by wildfire smoke
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San Francisco Bay Area Weather
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Air quality concerns for 49ers' home opener – NBC Bay Area
Thursday Night Football to see unhealthy air quality for 49ers-Giants
Air quality advisory issued for parts of the Bay Area following Port of Oakland fire – NBC Bay Area
Red flag warning issued for parts of Sonoma, Napa counties as unhealthy air quality continues
Forecast: 49ers will host Cardinals in unhealthy air quality, but smoke 'unpredictable'
Tag: air quality – NBC New York