Air

Tools and guidance to assist in the environmental documentation of the air quality and conformity impact of a proposed project.

Legal Requirements

General
FHWA - Policy and Guidance on Air Quality
FHWA - Transportation Conformity Policy
FHWA - Transportation Conformity Guidance

Specific
Transportation conformity state implementation plan (SIP) and interagency consultation (WisDOT, WDNR, FHWA, FTA, EPA, and designated MPOs) DNR/WisDOT MOA, Transportation Conformity MOA

FDM References

FDM 22 Air Quality

FDM 20-5-15 Major State Agreement Documents - WisDOT-WDNR cooperative agreement

National Ambient Air Quality Standards (NAAQS) for Criteria Pollutants

Wisconsin Ozone and PM 2.5 NAAQS Status

EPA - Criteria Air Pollutants Webpage

EPA - Nonattainment Areas for Criteria Pollutants (Green Book)

FHWA Information

Transportation Infrastructure Resilience

Sustainability Highlights Newsletter

Wisconsin Department of Natural Resources Information

Wisconsin Statewide Air Quality Monitoring Data

Wisconsin DNR Air Quality Webpage