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Nitrogen Dioxide Designations

Where You Live

The links on this page will direct you to information about designations recommendations for the NO2 standards for where you live.

State Designations - State area designations for the 2010 NO2 air quality standards are summarized here.

Tribal Designations - Tribal air designations for the 2010 NO2 air quality standards are summarized here.

Basic Information: Background on NO2 attainment issues and EPA actions to address NO2 emission concerns.

Frequent Questions: Answers to common questions regarding NO2 and the designations process.

 

 

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