Emission Inventory Data

This page last reviewed March 14, 2014

Current Year Emissions:

Smoggy Skyline
By Source Category: By Region:
On-Road Sources Statewide
Off-Road Sources District
Stationary Sources Air Basin
Areawide Sources County
Natural Sources Neighborhood (CHAPIS maps)

or by Facility using the Facility Search Engine


Find historical data as well as projections of anticipated future year emissions, vehicle activity, and human population.

If you want to know how these emission estimates were developed, please see our Documentation page.