Safecast
  • With the help of our global community, we have:
  • 5k Deployed
    devices
  • 102 Countries
    measured
  • 5k Contributing
    volunteers
  • 66k Daily
    measurements

Safecast revolutionized citizen science Popular Mechanics

Air Quality

Safecast is currently building out a network of sensors to monitor particulate matter in sizes PM1.0, PM2.5, PM10.

Radiation

Safecast maintains the largest open dataset of background radiation measurements ever collected. Over 50 million readings to date and growing daily.

Open

All data collected by Safecast is released under a CC0 public domain designation. Anyone is free to use it for free with no licensing restrictions.

Recent News

150,000,000 Data Points
Safecast Diaries: from Rest Stops to Real-Time Images, from the First bGeigie Trips to the Aftermath of 3.11
Artboard 2Donate
Honor among nuclear neighbors
Uncertainties about Japan's COVID-19 data

Safecast has been covered by:

Since 2011, Safecast has collected and published

157,423,776

environmental measurements into the public domain.

Safecast data and devices are used by:

Safecast Code

  1. Always Open
  2. Always Improving
  3. Always Encouraging
  4. Always Publishing
  5. Always Questioning
  6. Always Uncompromising
  7. Always On
  8. Always Creating
  9. Always Objective
  10. Always Independent

We check ourselves against this list and encourage others to do the same.

×