Emission Inventory

This page last reviewed April 21, 2009

Emissions Inventory Data

Current Year Emissions:
By Source Category:		By Region:
On-Road Sources Off-Road Sources Stationary Sources Areawide Sources Natural Sources Top 25 Source Categories		Statewide District Air Basin County Neighborhood (CHAPIS maps)
or by Facility using the Facility Search Engine

Trends:
Find historical data as well as projections of anticipated future year emissions, vehicle activity, and human population.
Criteria Emissions (CEFS): Available for the years 1975-2020 Vehicle Activity: Vehicle population, annual miles traveled, and fuel usage for the years 1980-2010 Human Population: Available for the years 1980-2010
If you want to know how these emission estimates were developed, please see our Documentation page.