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California Air Resources Board

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green trees line both banks of the sacramento river. the yellow tower bridge crosses the blue water leading to the tall buildings of the sacrament skyline. the scene is set against a clear blue sky.

Natural (Non-Anthropogenic) Source Methodologies

Contact

Email
aqpsd@arb.ca.gov
Phone
(916) 322-5350

Area Source Categories

Geogenic SourcesAgency
Petroleum Seeps - Oil & GasCARB
Soil NOx and NH3CARB
WildfiresAgency
Wildfires - All CategoriesCARB
Wildland Fire Use (WFU) FiresCARB

Contact Us

(800) 242-4450  |  helpline@arb.ca.gov 
1001 I Street, Sacramento, CA 95814
P.O. Box 2815, Sacramento, CA 95812

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California Governor
Gavin Newsom Opens a New Window.
Secretary for Environmental Protection
Yana Garcia Opens a New Window.
Chair, California Air Resources Board
Liane M. Randolph Opens a New Window.

The California Air Resources Board is one of six boards, departments, and offices under the umbrella of the California Environmental Protection Agency.

  • CalEPA
  • CalRecycle
  • DPR
  • DTSC
  • OEHHA
  • SWRCB

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