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

空氣監測數據頁面提供灣區各地空氣品質監測站測得的實時和歷史空氣品質和氣象條件資訊。

瞭解灣區的特殊目的空氣品質監測項目，查看近期項目的資訊。

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

Beginning December 7, 2021, the Air District’s Charge! program will begin accepting applications to help offset a portion of the cost of purchasing and installing new publicly available electric vehicle charging stations throughout the region. The goal of the Charge! program is to help build a charging network able to support the Bay Area’s electric vehicle adoption goals of 90 percent of the overall vehicle fleet by 2050. 

May 23, 2016 ... METEOROLOGY, MEASUREMENT AND RULES DIVISION 2015 AIR MONITORING NETWORK PLAN July 1, 2016 Charles Knoderer Duc Nguyen Dan Alrick and Katherine Hoag Meteorology, Measurements and ...

Jul 1, 2019 ... METEOROLOGY AND MEASUREMENT DIVISION 2018 AIR MONITORING NETWORK PLAN July 1, 2019 Charles Knoderer Duc Nguyen Jarrett Claiborne Richard Lam Dan Alrick Meteorology and Measurement ...

May 30, 2017 ... METEOROLOGY, MEASUREMENT AND RULES DIVISION 2016 AIR MONITORING NETWORK PLAN July 1, 2017 Charles Knoderer Duc Nguyen Dan Alrick and Katherine Hoag Meteorology, Measurements and ...

May 26, 2015 ... 2014 Air Monitoring Network Plan July 1, 2015 Kurt Malone Duc Nguyen and Charles Knoderer Technical Services Division ...

Jun 29, 2023 ... 2023 Annual Air Monitoring Network Plan A summary of the ambient air monitoring network in 2022 and proposed network changes through 2024 ...

Apr 29, 2022 ... 2026 Annual Air Monitoring Network Plan A summary of the regulatory air monitoring network in 2025 and proposed network changes through 2027 ...

Apr 24, 2025 ... Air Monitoring Project in East Oakland: Project Plan for Community-Based Monitoring Network Background In general, communities located near emission sources, like industrial facilities, ...

Apr 29, 2022 ... 2026 Annual Air Monitoring Network Plan A summary of the regulatory air monitoring network in 2025 and proposed network changes through 2027 ...

Feb 2, 2021 ... February 3, 2021 Request for Qualifications# 2020-001 Air Sampling Network Maintenance and Operations SECTION I – SUMMARY ...

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 ...

Sep 11, 2015 ... Air Monitoring Guidelines for Petroleum Refineries AIR DISTRICT REGULATION 12, RULE 15: PETROLEUM REFINING EMISSIONS TRACKING Prepared by the staff of the Bay Area Air ...

Nov 17, 2025 ... East Oakland Community Air Monitoring Project Monitoring Plan for Measurements of Volatile Organic Compounds (VOCs) and Particulate Matter (PM) Characteristics ...

Mar 12, 2024 ... DRAFT Final Path to Clean Air Plan March 2024 Appendix D: Air Monitoring This appendix contains additional information on air monitoring data and insights to supplement Chapter 5: Air Quality ...