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View the Air District's latest air quality modeling guidance, reports, and related publications.

The Air District is releasing the annual updates to the refinery Flare Minimization Plans (FMP), for public review and comment. The five Bay Area refineries prepare these plans subject to the requirements of Regulation 12, Rule 12: Flares at Refineries.

The Air District is releasing the annual updates to the Flare Minimization Plans, or FMPs, for public review and comment. The five Bay Area refineries prepare these plans subject to the requirements of Regulation 12, Rule 12: Flares at Refineries.

The Air District is releasing the annual updates to the Flare Minimization Plans, or FMPs, for public review and comment. The five Bay Area refineries prepare these plans subject to the requirements of Regulation 12, Rule 12: Flares at Refineries.

The Air District and Aclima are announcing a cutting-edge air quality data program that will map air pollutants and greenhouse gas emissions in all nine counties of the Bay Area — covering more than 5,000 square miles.

Read about regulations governing oil refinery fenceline monitoring and view plans and data provided by the five local refineries.

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

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.

These resources can assist practitioners in evaluating air quality and climate impacts during the environmental review process pursuant to CEQA. The tools, data, methodologies, and guidance provided do not represent an exhaustive list and should be used in conjunction with other resources.

These resources can assist practitioners in evaluating air quality and climate impacts during the environmental review process pursuant to CEQA. The tools, data, methodologies, and guidance provided do not represent an exhaustive list and should be used in conjunction with other resources.

At a public hearing today, the Air District released the 2024 Toxic Air Contaminant Program Annual Report, along with a user-friendly new web page that allows members of the public to view toxic emission data from a comprehensive map of permitted facilities in the Bay Area. 

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. 

Air quality in the Bay Area is forecast to be in the good range.  Winds are currently blowing smoke from the Wragg fire burning near Lake Berryessa to the north and east of our region. Smoky conditions have been observed in Yolo County and parts of the Sacramento region.

Feb 24, 2020 ... Chevron Richmond Refinery Monthly Flare Data Report Month: June 2019 Flare Name: H2 Flare Vent Gas Emissions (lbs) Volume (SCF) Daily Total Vent Non- Sulfur Date Gas Methane methane ...

Feb 24, 2020 ... Chevron Richmond Refinery Monthly Flare Data Report Month: August 2019 Flare Name: H2 Flare Vent Gas Emissions (lbs) Volume (SCF) Daily Total Vent Non- Sulfur Date Gas Methane methane ...

Feb 24, 2020 ... Chevron Richmond Refinery Monthly Flare Data Report Month: July 2019 Flare Name: H2 Flare Vent Gas Emissions (lbs) Volume (SCF) Daily Total Non- Sulfur Date Vent Gas Methane methane ...

Feb 24, 2020 ... Chevron Richmond Refinery Monthly Flare Data Report Month: April 2019 Flare Name: H2 Flare Vent Gas Volume (SCF) Emissions (lbs) (Note 7) Daily Total Vent Non- Sulfur Date Methane Notes Gas ...

Feb 24, 2020 ... Chevron Richmond Refinery Monthly Flare Data Report Month: October 2019 Flare Name: H2 Flare Vent Gas Emissions (lbs) Volume (SCF) Daily Total Vent Non- Sulfur Date Gas Methane methane ...