Critical Loads Tools and Reports

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Access the relevant website and a step-by-step guide for using the website.

CLAS–Critical Loads Assessment by Site

EPA CL Mapper

Air Quality Conditions & Trends
National Parks

Air Quality Conditions & Trends
National Forests

Air Quality Conditions & Trends
U.S. Fish and Wildlife Service

CLAD CL Summary Reports

Wilderness Air Quality Values for WSP (Wilderness Stewardship Performance)

Forest Vulnerability Hotspots Mapper (USFS)

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Step-by-step instructions

1. Begin typing the name of the Wilderness area or use drop down menu to select area.
2. Click download to download the report.