Air District Operations

The Air District is taking steps to ensure Bay Area air quality and public health are protected while the shelter-in-place orders are in effect. Permits for businesses adjusting operations to aid in the public health response will also be expedited. Read more... | en Español
Air Quality Advisory

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 and air quality impacts are possible near the fire. Read more.
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  3. Air Quality Summaries
About Air Quality

Air Quality Summary Reports

About Air Quality
  1. Air District
  2. About Air Quality
  3. Air Quality Summaries

View tables summarizing the air quality data collected each year from the Bay Area’s air quality monitoring network.

Annual Bay Area Air Quality Summaries

Each year, the Air District summarizes data collected from the Bay Area’s air quality monitoring network. The tables below show the number of times each station recorded pollutant concentrations above federal and state air quality standards. The tables also include the highest annual reading for each pollutant at each station.

  • 2018(88 Kb PDF, 2 pgs, posted 05/24/19)
  • 2017(86 Kb PDF, 2 pgs, posted 04/17/18)
  • 2016(603 Kb PDF, 2 pgs, posted 05/25/17)
  • 2015(87 Kb PDF, 2 pgs, revised 05/23/16)
  • 2014(85 Kb PDF, 2 pgs, revised 02/10/20)
  • 2013(84 Kb PDF, 2 pgs, revised 02/10/20)
  • 2012(86 Kb PDF, 2 pgs, revised 02/10/20)
  • 2011(86 Kb PDF, 2 pgs, revised 02/10/20)
  • 2010(105 Kb PDF, 2 pgs, revised 02/10/20)
  • 2009(92 Kb PDF, 2 pgs, revised 02/10/20)
  • 2008(92 Kb PDF, 2 pgs, revised 02/10/20)
  • 2007(209 Kb PDF, 2 pgs, revised 02/10/20)
  • 2006(206 Kb PDF, 2 pgs, revised 02/10/20)
  • 2005(49 Kb PDF, 2 pgs, revised 02/10/20)
  • 2004(55 Kb PDF, 2 pgs, revised 02/10/20)
  • 2003(170 Kb PDF, 2 pgs, revised 02/10/20)
  • 2002(196 Kb PDF, 2 pgs, revised 02/10/20)
  • 2001(146 Kb PDF, 2 pgs, revised 02/10/20)
  • 2000(18 Kb PDF, 2 pgs, revised 02/10/20)
  • 1999(145 Kb PDF, 2 pgs, revised 02/10/20)
  • 1998(122 Kb PDF, 1 pg, revised 02/10/20)
  • 1997(94 Kb PDF, 1 pg, revised 02/10/20)
  • 1996(94 Kb PDF, 1 pg, revised 02/10/20)
  • 1995(94 Kb PDF, 1 pg, revised 02/10/20)
  • 1994(87 Kb PDF, 1 pg, revised 02/10/20)

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Spare the Air Status
No Wood Burning
Spare the Air Status
  • Monday,
    7/6

    No Spare the Air Alert in Effect

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Last Updated: 5/20/2015