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

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
Tue., 20 Jan.,2026 0.0356 0.0281 0.0321
Mon., 19 Jan.,2026 0.0351 0.0287 0.0321
Sun., 18 Jan.,2026 0.0353 0.0287 0.0320
Sat., 17 Jan.,2026 0.0355 0.0291 0.0324
Fri., 16 Jan.,2026 0.0359 0.0288 0.0323
Thu., 15 Jan.,2026 0.0360 0.0288 0.0321
Wed., 14 Jan.,2026 0.0353 0.0282 0.0318
Tue., 13 Jan.,2026 0.0359 0.0286 0.0322
Mon., 12 Jan.,2026 0.0349 0.0286 0.0318
Sun., 11 Jan.,2026 0.0356 0.0290 0.0320
Sat., 10 Jan.,2026 0.0387 0.0286 0.0321
Fri., 09 Jan.,2026 0.0409 0.0282 0.0323
Thu., 08 Jan.,2026 0.0363 0.0290 0.0326
Wed., 07 Jan.,2026 0.0354 0.0286 0.0318
Tue., 06 Jan.,2026 0.0353 0.0284 0.0316
Mon., 05 Jan.,2026 0.0364 0.0280 0.0322
Sun., 04 Jan.,2026 0.0349 0.0283 0.0317
Sat., 03 Jan.,2026 0.0354 0.0280 0.0316
Fri., 02 Jan.,2026 0.0683 0.0290 0.0359
Thu., 01 Jan.,2026 0.0353 0.0288 0.0321

Past data