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Learn about the Air District's air monitoring network and activities, including laboratory support, data quality assurance, and pollutant source testing.

Learn about the Air District’s mobile air monitoring van for community air quality investigations. 

Learn about the Air District's regulatory air monitoring network and special air quality studies.

Learn about special purpose air quality monitoring projects in the Bay Area and view information about recent projects.

View current and historical air quality data based on measurements taken from the Air District's air monitoring network.

View reports summarizing the air quality and pollutant data collected from the Bay Area's air quality monitoring network each year.

Learn about the Air Quality Monitoring Expert Panel, assembled to recommend technologies, methods, and tools to improve monitoring capabilities near refineries.

The Air District has fined Valero Refining Company $3.25 million to address 118 air quality violations that stem from multiple incidents and ongoing compliance issues at the Benicia refinery.

The Bay Area Air Quality Management District announced today that recent flaring incidents at the Chevron Refinery in Richmond have resulted in the increased scrutiny of monitoring data as well as investigations as to the cause of the events.

The Air District invites written comments on new provisions related to hydrogen sulfide monitoring and quality assurance procedures in revised draft fenceline air monitoring plans for the five Bay Area refineries. Comments must be received by 5 PM Pacific Time on April 20, 2023.

The  Air District has received a $298,114 grant from the U.S. Environmental Protection Agency to enhance air quality monitoring in the Bay Area. The Air District is partnering with Communities for a Better Environment to implement the project funded by this grant in East Oakland, a densely populated community faced with a high air pollution burden.

The Air District is announcing that it will bring an abatement order to correct air quality violations for faulty emissions monitoring at Chemtrade’s Richmond facility in front of the agency’s independent Hearing Board on April 12 at 1:30 PM. 

The Air District has reached an agreement with Argent Materials, Inc., that resolves violations at the company’s aggregate recycling facility in East Oakland. Under the terms of the settlement agreement, Argent will install and operate a fenceline air monitoring system at both yards of its East Oakland facility to enhance transparency and provide continuous air quality data to the Air District and the community.

The Air District is closely monitoring flaring at the Chevron Refinery in Richmond and has issued an air quality advisory as localized smoke impacts are possible near and downwind of the facility, including the Contra Costa County cities of Richmond, San Pablo, Pinole, and Hercules, as well as Solano County. This is based on current meteorological conditions which can change depending on the duration of the flaring. Residents should follow instructions from local health officials.

The Air District is issuing an air quality advisory for smoke for the entire Bay Area region on Sunday, October 27 through Monday, October 28.

The Air District is issuing an air quality advisory due to smoke from the Crystal Fire in Napa County for today, Wednesday, June 5. Localized smoke impacts are possible near Angwin and may impact the Napa Valley from St. Helena to Calistoga. We will be closely monitoring air quality for smoke impacts from this incident.

The Air District and Aclima, the climate tech leader in hyperlocal pollution and greenhouse gas measurement and analysis, have released groundbreaking results collected through a cutting-edge, hyperlocal air quality mobile monitoring network. 

Learn about the Air District's special purpose air quality monitoring project in Cupertino, California.

View interactive maps showing air quality forecasts, air quality monitoring data, facilities, and overburdened communities throughout the Bay Area.

Learn about the Air District's special purpose air quality monitoring project in Forest Knolls, California.