Indoor background radiation measured with a J305 Geiger-Müller tube in an office in The Netherlands.

Local radiation detection by a SBM-20 Geiger-muller tube

Radiation level in Nørresundby, Denmark

Count per minute (cpm) radiation level. The tube used detects Beta and Gamma radiation (no Alpha). Conversion factor cpm to μSv/h is 0.00812 (as per manufacturer specs).

Data from my Geiger counter sensor

Radiation monitoring station in Kingston, Ontario using Alara Consultant Inc's Radiation Alert Inspector USB.

Radiation monitoring station in Beauval Saskatchewan. Monitors radiation using a USB Inspector in [cpm].

Monitors radiation levels in CPM

GK-B5 Radiation Monitor with GK-Wifi logger located in Sheffield, MA

An SBM-20 Geiger tube based Geiger counter near Barcelona, Spain.

Radiation on Florence Italy Beta and Gamma detected by Arduino-ethernetshield-libeliumradiation-sbm20geigertube. Updated every 5 minutes