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Nitrogen Dioxide (NO2) Pollution

2010 Nitrogen Dioxide (NO2) National Ambient Air Quality Standards (NAAQS) Implementation Actions

Regulatory Implementation Information

To learn more about the standards, visit the page for the 2010 Primary National Ambient Air Quality Standards (NAAQS) for Nitrogen Dioxide (NO2)

Implementation Actions

EPA Makes Findings of Failure to Submit a Complete State Implementation Plan (SIP) for Section 110(a) Pertaining to 2010 Nitrogen Dioxide (NO2) National Ambient Air Quality Standards (NAAQS)

November 24, 2014 - EPA found that seven states, (Alaska, Arkansas, Hawaii, Minnesota, New Jersey, Vermont and Washington) and the District of Columbia have not submitted complete State Implementation Plans (SIPs) that include the infrastructure elements necessary to ensure implementation of the 2010 Nitrogen Dioxide (NO2) National Ambient Air Quality Standard (NAAQS).

Docket No. EPA-HQ-OAR-2014-0337 contains the notices, public comments, and supporting documents for this action.