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The Air District has released for public comment its latest draft Ambient Air Monitoring Network Plan, which describes the Air District’s air monitoring network for 2021, and lists proposed changes for the near future.

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 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 and the steering committee for the Richmond–San Pablo Community Air Monitoring Plan will host the Path to Clean Air Community Summit on Saturday, November 2, from 10:00 AM – 1:30 PM at the Richmond Memorial Auditorium located at 403 Civic Center Plaza in Richmond.

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 fined Martinez Refining Company, or MRC, and has required MRC to significantly enhance transparency for air monitoring data for air pollutants around its refinery in Martinez

The Air District is hosting a community summit on Saturday, February 16, from 10 AM–1:30 PM, at the City of Richmond Recreation Complex located at 3230 Macdonald Avenue in Richmond, to develop an air monitoring plan for the surrounding community. 

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.

The Air District, in partnership with community members, has released the Path to Clean Air, a Richmond-San Pablo community air monitoring plan – the first to be developed with co-leadership from the community.

The Air District has issued two separate Compliance Advisories. Any entities that engage in source testing activities or that own, operate, or maintain Continuous Emissions Monitoring System (CEMS) unit(s) in the Bay Area are encouraged to review these advisories. Each advisory includes important guidance/requirements relating to source testing, CEMS unit maintenance, and/or source test reporting.

View the full manual of technical procedures covering all aspects of the Air District's enforcement, regulatory, monitoring, evaluation, and documentation activities.

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

Jul 22, 2025 ... Air Monitoring Plan for the Tesoro Refining & Marketing Company, LLC Martinez Renewable Fuels Facility in Martinez, California Submitted by Martinez Renewable ...

Jun 5, 2025 ... Fenceline Air Monitoring Plan for Rule 12-15 May 30, 2025 Revision 6 Page 1 of 29 Fenceline Air Monitoring Plan For BAAQMD Rule 12-15 Chevron Richmond Refinery ...

Feb 16, 2023 ... Fenceline Air Monitoring Plan For BAAQMD Rule 12-15 Chevron Richmond Refinery Revision 2 1 February 16, 2023 1 This Air Monitoring Plan has been updated ...

Dec 18, 2025 ... Martinez Refining Company Regulation 12, Rule 15 Air Monitoring Plan ...

Jan 14, 2020 ... DRAFT 1/13/2020 Monitoring Project Option #2: PM Impacts from Coal Operations The Steering Committee identified questions and air quality concerns around coal operations in the Richmond-San ...

Feb 14, 2020 ... DRAFT 2/14/2020 Monitoring Project Option #1: PM Hotspots from Traffic 2.5 The Steering Committee identified several questions and air quality concerns related to traffic in the Richmond-San ...

Sep 19, 1996 ... MANUAL OF PROCEDURES VOLUME VI AIR MONITORING PROCEDURES TABLE OF CONTENTS 1. GROUND LEVEL MONITORING FOR HYDROGEN SULFIDE AND SULFUR DIOXIDE 1.1 General 1.2 Instrumentation 1.2 1 Sulfur ...

Jun 13, 2013 ... ...