2013 Almanac
CARB published California Almanac of Emissions and Air Quality published in 2013. The Almanac contains 20-year trend summaries of air quality and emissions data for five criteria pollutants: ozone, PM10, CO, NO2, and SO2. Data are summarized for the State as a whole and for the five most populated air basins (South Coast, San Francisco Bay Area, San Joaquin Valley, San Diego, and Sacramento Valley).