What is Safecast Map?
Safecast began after the 2011 Fukushima disaster, when volunteers started measuring radiation themselves. Its map shows millions of radiation readings collected by citizens worldwide, released as open data.
Free Open data
Safecast Map
Citizen-collected radiation measurements around the world
- Coverage
- Worldwide, densest in Japan
- Updates
- Community
- Price
- Free
- Sign-up
- Not needed
- View
- Flat map
What you can do
- Radiation readings worldwide
- Detailed coverage of Japan
- Open data
The details
- Coverage
- Worldwide, densest in Japan
- Updates
- Continuously (community edits)
- Data source
- Citizen measurements
- Made by
- Safecast (non-profit)
- Price
- Free
- Account
- No account needed
- On phones
- Works well on phones
- Map view
- Flat map
Tips for using Safecast Map
- Readings are background radiation measurements; colour scales are explained in the legend.
Who it is for
Safecast Map is especially useful for researchers & analysts.
Questions about Safecast Map
Is Safecast Map free?
Yes. Safecast Map is free to use.
Do I need an account to use Safecast Map?
No. You can open the map and use it without signing up.
How often is Safecast Map updated?
It changes continuously as the community adds and edits information.
Where does Safecast Map get its data?
Citizen measurements.
Can I use Safecast Map on my phone?
Yes. The website works well in a phone browser.
What are some alternatives to Safecast Map?
Similar maps include NASA FIRMS Fire Map, AirNow Fire and Smoke Map, Global Forest Watch and Electricity Maps. See the full list of Safecast Map alternatives on ColorfulMaps.
Summary based on public information about Safecast Map. Features and prices change; the map's own website has the latest details.
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