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.
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
URL updated as monitors selected/removed in order to share selected monitors
(2) Selected monitors listed below here
Hover cursor over "Hourly NowCast" graph to see additional information
(3) Click "x" button to remove selected monitor
(4) Click "NEXT" button to see additional graphics for selected monitors