Large swaths of the Bay Area had unhealthy air Tuesday evening as wildfires raging further north in California and Oregon sent smoke pouring into much of the Bay Area.
How bad is your air?
The map below is a live snapshot of the current Bay Area air quality readings collected by Purple Air sensors and other groups. Each dot on the map shows the latest readings calculated by one of the sensors. Click on each dot to see its current reading, and the source of the data. Click the plus sign to zoom in, and the minus sign to zoom out.
Many of the air quality sensors scattered throughout Alameda, San Francisco, San Mateo and Marin counties registered at unhealthy levels, which means the air can have negative health impacts, even on ordinarily healthy people. In Santa Clara County, many sensors registered at unhealthy levels for sensitive groups, like those with asthma or other health conditions that place them at greater health risk from wildfire smoke.
Check back for updates.
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