On April 1, 2008, Governor Otter signed a new air quality law pertaining to motor vehicle emissions testing.  The new Idaho law requires implementing an auto emissions inspection program or equivalent mitigation measures approved by the Department of Environmental Quality (DEQ), whenever any pollutant achieves 85% of the national ambient air quality standard. DEQ has indicated that ozone is one pollutant that has the potential to trigger this requirement in the Coeur d’Alene metropolitan statistical area. Consequently, there has been significant discussion about the impacts of this new law with respect to ozone levels in our air.
The document is provided in two formats - interactive pdf booklet (below) or single page pdf.