Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Emergency

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2025. This website is no longer updated and links to external websites and some internal pages may not work. More information »

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Climate Change
    • Emergency Response
    • Environmental Information by Location
    • Environmental Justice
    • Greener Living
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History
    • Staff Directory

Breadcrumb

  1. Home
  2. RadNet

International and Other Federal Government Environmental Radiation Monitoring Networks

You will find links below to other federal and international government environmental ionizing  radiation monitoring networks. The data provided on these websites is not validated or verified by EPA. 

The following links exit the site

Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) 
CTBTO has a network of radionuclide monitoring stations across the world that detect radionuclide air particles and noble gases like xenon.

Canadian Monitoring System
Canada's Fixed Point Surveillance (FPS) network monitors public doses from radioactive materials in air.

IAEA EPR Information Exchange
The International Atomic Energy Agency (IAEA) website provides information for the Emergency Preparedness and Response Information Management System (EPRIMS) and the International Radiation Monitoring Information System (IRMIS).

RadNet

  • View Near-Real-Time Air Data
  • View Laboratory Data by State
  • Learn About RadNet
  • RadNet Sampling and Analyses Schedules
  • RadNet Databases and Reports
  • History of RadNet
  • Frequent Questions
  • Glossary
Contact Us about RadNet
Contact Us about RadNet to ask a question, provide feedback, or report a problem.
Last updated on January 15, 2025
  • Assistance
  • Ayuda
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • Aide
  • Asistans
  • Korean
  • Assistência
  • Russian
  • Tulong
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions

Follow.