The image above shows the spread of smoke in the Bay Area from the Camp Fire in Butte County.
The air quality started deteriorating Thursday afternoon, and by sunrise on Friday much of the Bay Area had unhealthful levels of smoke.
The updating image shows air quality (ozone and particles): yellow is moderate, orange unsafe for sensitive groups, red and purple unhealthful for all. Refresh the page to see the latest update.
The Bay Area Air Quality Management District has issued an air quality advisory and a Spare the Air alert for Friday. The agency’s advice: “If the smell of smoke is present, it is important that Bay Area residents protect their health by avoiding exposure. If possible, stay inside with windows and doors closed until smoke levels subside.”
Click here for specific recommendations.
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Map: Wildfire smoke in Bay Area, updated