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

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
Sun., 11 Jan.,2026 0.0427 0.0327 0.0360
Sat., 10 Jan.,2026 0.0409 0.0330 0.0361
Fri., 09 Jan.,2026 0.0402 0.0331 0.0360
Thu., 08 Jan.,2026 0.0423 0.0339 0.0368
Wed., 07 Jan.,2026 0.0440 0.0333 0.0362
Tue., 06 Jan.,2026 0.0405 0.0322 0.0358
Mon., 05 Jan.,2026 0.0422 0.0334 0.0366
Sun., 04 Jan.,2026 0.0403 0.0327 0.0359
Sat., 03 Jan.,2026 0.0399 0.0331 0.0358
Fri., 02 Jan.,2026 0.0638 0.0334 0.0396
Thu., 01 Jan.,2026 0.0404 0.0330 0.0362

Past data