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RadNet
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Near-Real-Time and Laboratory Data by State

Possible Delays in Data Display

Upgrades to our server system may result in occasional delays in RadNet data display. We are monitoring the system and taking corrective actions as needed. We apologize for any inconvenience.

The map below provides links to RadNet individual air monitoring location webpages. Data are shown as graphs and tables that are updated as new data becomes available. Searchable current and historical monitoring data are available in the RadNet database in EPA's Central Data Exchange (CDX). To download all available near-real-time time data for a RadNet stationary air monitoring location, visit the RadNet CSV File Downloads webpage.

Below the map is a list, organized by state, of RadNet stationary air monitoring locations, as well as precipitation and drinking water sampling locations that reported data in 2020.

Select a state to view the monitor locations available.

RadNet Monitoring Locations

  • Alabama
  • Alaska
  • Arizona
  • Arkansas
  • California
  • Colorado
  • Connecticut
  • Delaware
  • District of Columbia
  • Florida
  • Georgia
  • Hawaii
  • Idaho
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Kentucky
  • Louisiana
  • Maine
  • Maryland
  • Massachusetts
  • Michigan
  • Minnesota
  • Mississippi
  • Missouri
  • Montana
  • Nebraska
  • Nevada
  • New Hampshire
  • New Jersey
  • New Mexico
  • New York
  • North Carolina
  • North Dakota
  • Ohio
  • Oklahoma
  • Oregon
  • Pennsylvania
  • Puerto Rico
  • Rhode Island
  • South Carolina
  • South Dakota
  • Tennessee
  • Texas
  • Utah
  • Vermont
  • Virginia
  • Washington
  • West Virginia
  • Wisconsin
  • Wyoming

ALABAMA

Birmingham

  • Near-Real-Time Air Data
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Dothan

  • Drinking water analysis data available in Envirofacts

Mobile

  • Near-Real-Time Air Data
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Montgomery

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Precipitation and drinking water analysis data available in Envirofacts

Muscle Shoals

  • Drinking water analysis data available in Envirofacts

Scottsboro

  • Drinking water analysis data available in Envirofacts

ALASKA

Anchorage

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Fairbanks

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Drinking water analysis data available in Envirofacts

Juneau

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis​

ARIZONA

Phoenix

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Tucson

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Yuma

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

ARKANSAS

Fort Smith

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Little Rock

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Precipitation and drinking water analysis data available in Envirofacts
     

CALIFORNIA

Anaheim

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Bakersfield

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Eureka

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Fresno

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Los Angeles

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Richmond

  • Precipitation analysis data available in Envirofacts

Riverside

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Sacramento

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

San Bernardino

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

San Diego

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

San Francisco

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

San Jose

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

COLORADO

Colorado Springs

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Denver

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis
  • Drinking water analysis data available in Envirofacts

Grand Junction

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

CONNECTICUT

Hartford

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis
  • Precipitation and drinking water analysis data available in Envirofacts
     

DELAWARE

Dover

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Drinking water analysis data available in Envirofacts

DISTRICT OF COLUMBIA

Washington

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

FLORIDA

Jacksonville

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Precipitation analysis data available in Envirofacts

Miami

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Orlando

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Tallahassee

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Tampa

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Drinking water analysis data available in Envirofacts

GEORGIA

Atlanta

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Precipitation analysis data available in Envirofacts

Augusta

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Baxley

  • Drinking water analysis data available in Envirofacts

Savannah

  • Drinking water analysis data available in Envirofacts

HAWAII

Honolulu

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Precipitation and drinking water analysis data available in Envirofacts

IDAHO

Boise

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Idaho Falls

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Precipitation and drinking water analysis data available in Envirofacts

ILLINOIS

Aurora

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Champaign

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Chicago

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

INDIANA

Fort Wayne

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Indianapolis

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

IOWA

Cedar Rapids

  • Drinking water analysis data available in Envirofacts

Des Moines

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Fort Madison

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Mason City

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

KANSAS

Dodge City

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Kansas City

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis
  • Precipitation analysis data available in Envirofacts

Topeka

  • Drinking water analysis data available in Envirofacts

Wichita

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

KENTUCKY

Lexington

  • Near-Real-Time Air Data: ​
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Louisville

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Paducah

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

LOUISIANA

Baton Rouge

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

New Orleans

  • Drinking water analysis data available in Envirofacts

Shreveport

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

MAINE

Orono

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Portland

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis
  • Precipitation and drinking water analysis data available in Envirofacts

MARYLAND

Baltimore

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Conowingo

  • Drinking water analysis data available in Envirofacts

MASSACHUSETTS

Boston

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis
  • Precipitation analysis data available in Envirofacts

Worcester

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

MICHIGAN

Bay City

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Detroit

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis
  • Drinking water analysis data available in Envirofacts

Grand Rapids

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

MINNESOTA

Duluth

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

​S. ST. PAUL

  • Drinking water analysis data available in Envirofacts

St. Paul

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Precipitation and drinking water analysis data available in Envirofacts

MISSISSIPPI

Jackson

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis
  • Drinking water analysis data available in Envirofacts

Port Gibson

  • Drinking water analysis data available in Envirofacts

MISSOURI

Jefferson City

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Drinking water analysis data available in Envirofacts

Springfield

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

St. Louis

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

MONTANA

Billings

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Helena

  • Drinking water analysis data available in Envirofacts

Kalispell

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

NEBRASKA

Kearney

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Lincoln

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Omaha

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

NEVADA

Las Vegas

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Reno

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

NEW HAMPSHIRE

Concord

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis
  • Precipitation and drinking water analysis data available in Envirofacts

Portsmouth

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

NEW JERSEY

Edison

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Trenton

  • Drinking water analysis data available in Envirofacts

Waretown

  • Drinking water analysis data available in Envirofacts

NEW MEXICO

Albuquerque

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Carlsbad

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Navajo Lake

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

NEW YORK

Albany

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Precipitation analysis data available in Envirofacts

Lockport

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

New York City

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Niagara Falls

  • Drinking water analysis data available in Envirofacts

Rochester

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Syracuse

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Yaphank

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate 
  • Air filter analysis

NORTH CAROLINA

Charlotte

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate 
  • Air filter analysis
  • Precipitation and drinking water analysis data available in Envirofacts

Greensboro

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Raleigh

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Wilmington

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate 
  • Air filter analysis
  • Precipitation analysis data available in Envirofacts

NORTH DAKOTA

Bismarck

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Drinking water analysis data available in Envirofacts

OHIO

Cincinnati

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Drinking water analysis data available in Envirofacts

Cleveland

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Columbus

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis
  • Drinking water analysis data available in Envirofacts

East Liverpool

  • Drinking water analysis data available in Envirofacts

Painesville

  • Drinking water analysis data available in Envirofacts

Toledo

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis
  • Drinking water analysis data available in Envirofacts

OKLAHOMA

Oklahoma City

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Drinking water analysis data available in Envirofacts

Tulsa

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

OREGON

Corvallis

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Portland

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Precipitation and drinking water analysis data available in Envirofacts

PENNSYLVANIA

Bloomsburg

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Columbia

  • Drinking water analysis data available in Envirofacts

Harrisburg

  • Precipitation and drinking water analysis data available in Envirofacts

Philadelphia

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate 
  • Air filter analysis

Pittsburgh

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate 
  • Air filter analysis
  • Drinking water analysis data available in Envirofacts

PUERTO RICO

San Juan

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis 

RHODE ISLAND

Providence

  • Near-Real-Time Air Data:
    • Gamma gross count rate 
  • Air filter analysis

SOUTH CAROLINA

Barnwell

  • Drinking water analysis data available in Envirofacts

Columbia

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis
  • Drinking water analysis data available in Envirofacts

Hartsville

  • Drinking water analysis data available in Envirofacts

Jenkinsville

  • Drinking water analysis data available in Envirofacts

Rock Hill

  • Drinking water analysis data available in Envirofacts

Seneca

  • Drinking water analysis data available in Envirofacts

SOUTH DAKOTA

Pierre

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Rapid City

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

TENNESSEE

Knoxville

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis
  • Precipitation and drinking water analysis data available in Envirofacts

Memphis

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Nashville

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Precipitation analysis data available in Envirofacts

Oak Ridge

  • Precipitation analysis data available in Envirofacts

TEXAS

Amarillo

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Austin

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Precipitation and drinking water analysis data available in Envirofacts

Corpus Christi

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Dallas

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

El Paso

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Fort Worth

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Harlingen

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Houston

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Laredo

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Lubbock

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

San Angelo

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

San Antonio

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

UTAH

Salt Lake City

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Precipitation analysis data available in Envirofacts

St. George

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

VERMONT

Burlington

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

VIRGINIA

Ashland

  • Drinking water analysis data available in Envirofacts

Harrisonburg

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Lynchburg

  • Precipitation and drinking water analysis data available in Envirofacts

Richmond

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Virginia Beach

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

WASHINGTON

Ellensburg

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Olympia

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Precipitation analysis data available in Envirofacts

Richland

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Drinking water analysis data available in Envirofacts

Seattle

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

Spokane

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

WEST VIRGINIA

Charleston

  • Near-Real-Time Air Data:
    • Gamma gross count rate
  • Air filter analysis

WISCONSIN

La Crosse

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Madison

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
  • Drinking water analysis data available in Envirofacts

Milwaukee

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

Shawano

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis

WYOMING

Casper

  • Near-Real-Time Air Data:
    • Gamma gross count rate
    • Gamma exposure rate
  • Air filter analysis
 
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Last updated on March 18, 2022