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

CLAS–Critical Loads Assessment by Site

CLAD CL Summary Reports

Air Quality Conditions and Trends National Forests

FLAG–Federal Land Managers’ Air Quality Related Values Work Group

Examples of Plans Using CLs

Forest Plan Monitoring Templates

Lichen Current Condition Map

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Step-by-step instructions

Select the “Nationwide CL & EXC Map Layers” drop-down menu on the upper right of the page
Select Lichens
Select N Deposition or S Deposition
Select the “Current Condition: Airscore N Dep” or “Current Condition: Airscore S Dep” map