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How To Monitor Real Time U.S. Radiation Levels Online

Use these websites to get free USA radiation monitoring from coast to coast, with up to the minute results, right in your browser.

Did you know that there are websites offering FREE USA radiation monitoring results, and that all of the results are updated every few minutes?

Some of these sites even have their own apps so you can check radiation levels on your phone or tablet.

While nuclear radiation can be scary and it is a silent killer, and events such as Fukushima send us on high alert years later, these maps are just to give you a basic idea of radiation levels. Don’t panic if something looks weird.

Typical background radiation levels for most of the USA are in the 5 to 28 uR/hr range. However, readings can be higher that base levels for brief periods of time due to normal variations in radiation levels casued by various natural phenomenon or just human error.

They can also be consistently higher for areas at high elevations such as Colorado, or with larger natural deposits of uranium, thorium, radon, etc.

If you really want to invest in radiation monitoring in case of a disaster, such as a dirty bomb attack from a terrorist organization (ISIS is trying very hard to build their own dirty bombs – Source 1 & Source 2), then you need to buy some basic equipment that is available online such as a geiger counter and potassium iodide tablets.

 

Monitoring Radiation Levels In The U.S.A.

Below are four websites that monitor radiation levels in the U.S.A. If you find this useful, please share with a friend.

Black Cat Systems Online Geiger Counter Nuclear Radiation Detector Map

Readings on this site are obtained by volunteers using one of the Black Cat Systems radiation detectors:

  • GM-10 Alpha / Beta / Gamma detector
  • GM-45 Alpha / Beta / Gamma detector with large pancake tube for higher sensitivity
  • GM-50 Gamma detector
  • GM-90 Alpha / Beta / Gamma detector with two large pancake tubes for even higher sensitivity

Radiation Network

Radiation Network is home of the National Radiation Map, depicting environmental radiation levels across the USA, updated in real time every minute.  This is the first web site where the average citizen (or anyone in the world) can see what radiation levels are anywhere in the USA at any time.

Nuclear Emergency Tracking Center

NETC is an early warning radiation system that takes data from private radiation monitoring stations and the EPA network and creates a RBL ( Radiation Background Level ) for each 3000+ stations every day.

Their goal is to provide free radiation monitoring information from private and government sites to the public. They have about 300 radiation monitoring sites across the United States and Japan.

EPA RadNet

RadNet, operated by the EPA,  has more than 130 radiation air monitors in 50 states. The nationwide RadNet system monitors the nation’s air, precipitation and drinking water to track radiation in the environment.

RadNet runs 24 hours a day, 7 days a week collecting near-real-time measurements of gamma radiation. RadNet also has 40 deployable air monitors that can be sent anywhere in the United States if needed.

Final Word

Personally I like to keep an eye on these levels every week or so as I think about them. I think that monitoring radiation levels is a good tool for preppers and a way to stay informed about things that you might not hear about otherwise, especially if you live on the coasts.

Remember, treat these maps as information only, and do not make safety decisions based upon them. One reason not to panic if a reading suddenly jumps up is that some detectors are run by individual volunteers, and not all readings may be accurate.

Do not panic because you see a high reading. Someone could be getting an invalid reading.

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Meet The Author

Sergeant Survival

Sergeant Survival

I spread the news of disaster preparedness and homesteading skills to the masses. My mission is to teach the keyboard commandos out there some real life skills.

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How To Monitor Real Time U.S. Radiation Levels Online

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