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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.

The Air District has reached a pivotal settlement with Chevron that will significantly enhance air monitoring data transparency, providing more information about air pollutants around the Richmond refinery. The agreement requires Chevron to take new data access and community engagement actions beyond those required by regulation or permit.

The Air District has reached a settlement with Tesoro Refining & Marketing Company that will significantly enhance air monitoring data transparency, providing more information about air pollutants around its refinery in unincorporated Contra Costa County, near Martinez. The agreement requires Tesoro to take new data access and community engagement actions beyond those required by regulation or permit.

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. 

Conozca y acceda a la investigación y los datos disponibles de los programas y las iniciativas del Distrito de Aire.

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. 

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.

Learn about the California Air Resources Board's regulation for criteria pollutant and toxics emissions reporting.

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

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

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.

Aprenda cómo renovar un permiso del Distrito de Aire

La página de datos de monitoreo del aire proporciona información en tiempo real e histórica sobre la calidad del aire y sobre las condiciones meteorológicas que se derivan de las mediciones en las estaciones de monitoreo de la calidad del aire alrededor del Área de la Bahía.

Conozca la red de monitoreo del aire del Distrito de Aire y sus actividades, incluidos el apoyo de laboratorio, el aseguramiento de la calidad de los datos y las pruebas de fuentes de contaminación.

View data summarizing monthly flaring activity at Bay Area Refineries.

Vea mapas interactivos que muestran datos del nivel del suelo, el clima y del monitoreo de la calidad del aire de sitios del Área de Bahía.

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.

Conozca el proyecto de propósito especial de monitoreo de la calidad del aire del Distrito de Aire en Cupertino, California.

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.