Measurement results of radiation doses in the air / Measurement results by the day (Koto)

Shown in µGy/h (microgray per hour)

Gray indicates an amount of energy (absorbed dose) when radiation hits a material object, and 1 gray (Gy) of radiation doses in the air can be converted to 1 sievert (Sv).

Measurement time Dose rate
μGy/h (microgray per hour)
Maximum value Minimum value Average value
Mon., 12 Jan.,2026 0.0405 0.0336 0.0373
Sun., 11 Jan.,2026 0.0401 0.0336 0.0373
Sat., 10 Jan.,2026 0.0412 0.0344 0.0373
Fri., 09 Jan.,2026 0.0442 0.0347 0.0375
Thu., 08 Jan.,2026 0.0404 0.0340 0.0375
Wed., 07 Jan.,2026 0.0408 0.0340 0.0371
Tue., 06 Jan.,2026 0.0404 0.0233 0.0370
Mon., 05 Jan.,2026 0.0406 0.0342 0.0373
Sun., 04 Jan.,2026 0.0405 0.0343 0.0371
Sat., 03 Jan.,2026 0.0406 0.0340 0.0371
Fri., 02 Jan.,2026 0.0567 0.0340 0.0395
Thu., 01 Jan.,2026 0.0401 0.0343 0.0372

Past data