Particulate matter, or PM, consists of microscopically small solid particles or liquid droplets suspended in the air. PM can be emitted directly into the air, or it can be formed from secondary reactions involving gaseous pollutants that combine in the atmosphere.
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5/21/2015 Climate Protection Committee Meeting Webcast Archive
(96 kb PDF, 15 pgs)
5/20/2015 Board of Directors Special Budget Hearing Webcast Archive
(62 kb PDF, 6 pgs)
5/20/2015 Board of Directors Regular Meeting Webcast Archive
(183 kb PDF, 35 pgs)
Agendas, Minutes and Media
System & player requirements, RSS feeds & mobile alternatives.
iTunes Audio Podcasts
iTunes Video Podcasts
To promote its programs to the public and media, the Air District posts news releases, provides special news features, and offers an historical overview of its activities on behalf of clean air in the Bay Area.
For assistance in English, call (415) 749-4900.
Para asistencia en español, llame a al (415) 749-4900.