Air

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

Wisconsin statewide air quality notices

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 20-5-15 Federal air and noise laws (Noise Control Act)
FDM 20-10-15 Federal air and noise regulations (FHWA procedures for abatement of highway traffic noise and construction noise) FAPG part 772)
FDM 20-30-1 State agency agreements (WisDOT- WDNR cooperative agreement)
Chapter 22 - Air quality chapter revision in progress; contact the Environmental services Section (608) 267-9806 with questions

Worksheets/Forms

See Forms and tools page for factor sheets and guidance

News

EPA - national ambient air quality standards (NAAQS)
EPA - AIRNow - Real-time air pollution data; see regional ozone concentrations

FHWA information

Transportation Infrastructure Resilience

Sustainability highlights newsletter

Congestion Mitigation and Air Quality Improvement Program (CMAQ)

Air quality reference material

Models and methodologies