Almanac Data:
One Year,
Many Pollutants

Emission data for a selected year with emissions for TOG, ROG, NOx, PM, PM10, PM2.5, CO, and SOx. Select one year, major source category and geographic area

Almanac Data:
One Pollutant,
Many Years

Emission data for one selected pollutant and multiple years. Select one pollutant, multiple years, major source category, and geographic area.

CCOS SIP Data
and
 Documentation

Central California Ozone Study (CCOS) State Implementation Plan (SIP) Emission Data and Documentation

SCOS SIP Data
and
  Documentation

Southern California Ozone Study (SCOS) State Implementation Plan (SIP) Emission Data and Documentation