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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View tables summarizing the air quality data collected each year from the Bay Area’s air quality monitoring network.
Each year, the Air District summarizes data collected from the Bay Area’s air quality monitoring network. The tables below show the number of times each station recorded pollutant concentrations above federal and state air quality standards. The tables also include the highest annual reading for each pollutant at each station.
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Last Updated: 5/20/2015