Assessing the Quality of our Air

Several indicators are available for us to use in evaluating the status and trends in air quality in our region. An important indicator is the trend in Greenhouse Gas (GHG) emissions over time.
GHG for Tucson

GHG-2011-Tucson-Emissions

GHG for Eastern Pima County

PAG-GHG-1990-2010

 

Tucson Regional Indicators Project (TRIP)