PM2.5 Monitoring Site Help

California users - please see below for important information on smoke and health, and also for help on using this website.
This page is part of the the U.S. Forest Service led Wildland Fire Air Quality Response Program.

From the U.S. Environmental Protection Agency (EPA) :  https://www.epa.gov/pm-pollution

Monitoring v5: Website Help 

Main Page  |  ARA Version  |  Troubleshooting  |  Tips & FAQs | About

Map Page Help: 

(1)  Monitor Information is displayed when cursor is hovered over a monitor icon on the map

(2) Selected monitors listed below here

(3) Click "x" button to remove selected monitor

(4) Click "NEXT" button to see additional graphics for selected monitors