Map: Here's Your Current Air Quality Report for the Bay Area

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Large circles on the map show Air Quality Index (AQI) values — for ozone and AQI2.5 — that are measured at official, outdoor permanent monitoring sites (managed in the Bay Area by the Air Quality Management District) and submitted to the U.S. EPA’s AirNow database. Data is updated hourly. To view wind and weather patterns, based on hourly station data provided by NOAA, click on the layer-list button in the top left corner and select “Current Weather and Wind Station Data.”

Map produced by Matthew Green/KQED

Want more information about air quality and wildfire smoke?

Here is an expanded list of other air quality measurement resources:

AirNow is also running a project that adds data from low-cost sensors to a fire and smoke map.