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

View maps and other data files associated with the CARE Program.

Learn about particle pollution, its negative effects on human health and the environment, and what the Air District is doing to reduce levels in the Bay Area.

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

Learn about and access research and data available from Air District programs and initiatives.

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View tables containing data from the Air District’s GHG monitoring network relating to concentrations of significant greenhouse gases as well as meteorological conditions.

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

View more than 10 years of data about flaring from five Bay Area refineries.

The Air Monitoring Data page provides both real-time and historical information on air quality and meteorological conditions derived from measurements at air quality monitoring stations around the Bay Area.

The Air District provides meteorological data to help local governments understand existing air quality conditions and reduce impacts from proposed land use projects and plans.

Get daily forecasts of air quality and weather facctors that affect air pollution potential in the Bay Area.

View the Air District's latest emissions inventory reports, data, and documents.

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.

Learn about the Vehicle Miles Traveled Data Portal.

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

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.