The Air District is taking steps to ensure Bay Area air quality and public health are protected during the COVID pandemic. Permits for businesses adjusting operations to aid in the public health response will also be expedited. Read more... | en Español
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Get air quality and weather information for the Bay Area.
View current and historical air quality and weather information collected from the Air District’s air monitoring network.
Note: Values above 500 are considered Beyond the AQI. Follow recommendations for the "Hazardous category." See additional information on reducing exposure to extremely high levels of particle pollution.
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Last Updated: 10/13/2017