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Learn about the Air District’s efforts to minimize odors in Milpitas and the surrounding communities.

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 Greenhouse Gas Measurement Program, including the locations of stations in the GHG monitoring network and deployment of the mobile research van.

The Air District is advising Bay Area residents that smoke from the Loma Fire may be impacting Santa Clara County. Light winds blowing south-easterly have transported smoke from the fire into southern Santa Clara County, creating localized impacts.

The Bay Area Air Quality Management District is advising Bay Area residents of the possibility that smoke from the Soberanes Fire may, at times, impact Santa Clara County this weekend.

The Air District, in collaboration with the UC Berkeley Cool Climate Network, has developed a consumption-based greenhouse gas inventory for the Bay Area to tell a more complete story of how the region contributes to global climate change.

The Air District is issuing an air quality advisory for smoke for the far South Bay, including Morgan Hill, San Martin, and Gilroy through Monday, July 6. Beginning late Saturday, the Park Fire broke out east of Morgan Hill. Air quality impacts are possible near the fire.

The Air District is extending an air quality advisory for smoke for the far South Bay, including Morgan Hill, San Martin, and Gilroy through Tuesday, July 7. Beginning late Saturday, the Park Fire broke out east of Morgan Hill, and on Sunday, the larger Crews Fire started east of Gilroy. Air quality impacts are possible near the fires.

The Air District is extending an air quality advisory for smoke for the far South Bay, including Morgan Hill, San Martin and Gilroy, through Wednesday, July 8. On Tuesday, smoke from the Crews Fire east of Gilroy continues to impact air quality in southern Santa Clara Valley. 

Today, the South Coast Air Quality Management District filed a petition challenging the U.S. EPA and the National Highway Traffic Safety Administration’s rollbacks to the Safer Affordable Fuel-Efficient Vehicles Rule initiated by the Trump Administration. The Bay Area Air Quality Management District and the Sacramento Metropolitan Air Quality Management District have joined South Coast AQMD as co-petitioners.

The Air District, in cooperation with the City of South San Francisco, is hosting the Clean Cars for All electric vehicle showcase on Saturday, August 17, from 10:00 AM – 2 PM, in South San Francisco. 

Learn about the Air District's development process for Regulation 12, Rule 16, which would place a numeric cap on greenhouse gas emissions at refineries.

The Air District has sent a strong letter to the Governor’s office, expressing an “opposition unless amended” position on state bills AB 617 and AB 398.

Smoke from refinery blowing over Solano and Contra Costa counties.

The Air District and California Infrastructure and Economic Development Bank, or IBank, announced the statewide expansion of the Climate Tech Finance program. 

Learn about the Air District’s Consumption-Based Greenhouse Gas Emissions Inventory.