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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.

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 los proyectos de propósito especial de monitoreo de la calidad del aire del Área de la Bahía y consulte información sobre proyectos recientes.

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

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 ...

Aug 17, 2021 ... METEOROLOGY AND MEASUREMENT DIVISION 2020 AIR MONITORING NETWORK PLAN July 1, 2021 Michael Flagg Katherine Hoag Joe Lapka Meteorology and Measurement Division 375 Beale St., Suite ...

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 ...

Jul 1, 2024 ... 2024 Annual Air Monitoring Network Plan A summary of the ambient air monitoring network in 2023 and proposed network changes through 2025 ...

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 ...

Jun 12, 2015 ... 2024 Annual Air Monitoring Network Plan A summary of the ambient air monitoring network in 2023 and proposed network changes through 2025 ...

May 21, 2025 ... 2025 Annual Air Monitoring Network Plan A summary of the ambient air monitoring network in 2024 and proposed network changes through 2026 ...

Jun 26, 2025 ... 2025 Annual Air Monitoring Network Plan A summary of the ambient air monitoring network in 2024 and proposed network changes through 2026 ...

Oct 10, 2017 ... October 10, 2017 Request for Qualifications #2017-015 Air Sampling Network Maintenance and Operations SECTION I – SUMMARY ...