Area Designations for 2008 Ground-level Ozone Standards
Where You Live
The links on this page will direct you to information about ozone conditions and about ozone designations for the region, state and/or county where you live.
State Designations
State designations for the 2008 ground-level ozone standards are presented here.
Tribal Designations
Tribal designaitons for the 2008 ground-level ozone standards are presented here.
Ozone Conditions
Map animation displays progressive ozone conditions for today and yesterday for most regions of the nation.
Frequent Questions
Answers to common questions regarding ozone and the designations process.
Air Quality Forecast
Air quality forecasts for today and tomorrow are presented for hundreds of American cities.