Measurement results by the hour (Koto) 25 Apr., 2022 - 1 May., 2022

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
22:01-23:00, Sun., 01 May. 0.0391 0.0349 0.0371
21:01-22:00, Sun., 01 May. 0.0395 0.0345 0.0373
20:01-21:00, Sun., 01 May. 0.0405 0.0364 0.0384
19:01-20:00, Sun., 01 May. 0.0409 0.0374 0.0392
18:01-19:00, Sun., 01 May. 0.0418 0.0377 0.0395
17:01-18:00, Sun., 01 May. 0.0426 0.0365 0.0392
16:01-17:00, Sun., 01 May. 0.0419 0.0378 0.0393
15:01-16:00, Sun., 01 May. 0.0407 0.0358 0.0386
14:01-15:00, Sun., 01 May. 0.0401 0.0354 0.0377
13:01-14:00, Sun., 01 May. 0.0391 0.0353 0.0373
12:01-13:00, Sun., 01 May. 0.0395 0.0349 0.0375
11:01-12:00, Sun., 01 May. 0.0391 0.0347 0.0370
10:01-11:00, Sun., 01 May. 0.0387 0.0340 0.0367
09:01-10:00, Sun., 01 May. 0.0396 0.0348 0.0369
08:01-09:00, Sun., 01 May. 0.0397 0.0342 0.0369
07:01-08:00, Sun., 01 May. 0.0388 0.0354 0.0370
06:01-07:00, Sun., 01 May. 0.0394 0.0350 0.0372
05:01-06:00, Sun., 01 May. 0.0395 0.0350 0.0372
04:01-05:00, Sun., 01 May. 0.0389 0.0344 0.0369
03:01-04:00, Sun., 01 May. 0.0389 0.0339 0.0368
02:01-03:00, Sun., 01 May. 0.0389 0.0347 0.0366
01:01-02:00, Sun., 01 May. 0.0384 0.0349 0.0366
00:01-01:00, Sun., 01 May. 0.0393 0.0350 0.0368
23:01-24:00, Sat., 30 Apr. 0.0391 0.0338 0.0367
22:01-23:00, Sat., 30 Apr. 0.0387 0.0340 0.0368
21:01-22:00, Sat., 30 Apr. 0.0393 0.0346 0.0369
20:01-21:00, Sat., 30 Apr. 0.0388 0.0347 0.0368
19:01-20:00, Sat., 30 Apr. 0.0389 0.0337 0.0367
18:01-19:00, Sat., 30 Apr. 0.0388 0.0348 0.0365
17:01-18:00, Sat., 30 Apr. 0.0388 0.0347 0.0370
16:01-17:00, Sat., 30 Apr. 0.0391 0.0351 0.0366
15:01-16:00, Sat., 30 Apr. 0.0395 0.0347 0.0368
14:01-15:00, Sat., 30 Apr. 0.0389 0.0345 0.0368
13:01-14:00, Sat., 30 Apr. 0.0386 0.0341 0.0365
12:01-13:00, Sat., 30 Apr. 0.0391 0.0350 0.0367
11:01-12:00, Sat., 30 Apr. 0.0391 0.0353 0.0368
10:01-11:00, Sat., 30 Apr. 0.0388 0.0346 0.0367
09:01-10:00, Sat., 30 Apr. 0.0389 0.0349 0.0368
08:01-09:00, Sat., 30 Apr. 0.0386 0.0340 0.0366
07:01-08:00, Sat., 30 Apr. 0.0385 0.0343 0.0366
06:01-07:00, Sat., 30 Apr. 0.0385 0.0350 0.0367
05:01-06:00, Sat., 30 Apr. 0.0384 0.0346 0.0366
04:01-05:00, Sat., 30 Apr. 0.0387 0.0349 0.0367
03:01-04:00, Sat., 30 Apr. 0.0382 0.0345 0.0365
02:01-03:00, Sat., 30 Apr. 0.0388 0.0347 0.0365
01:01-02:00, Sat., 30 Apr. 0.0390 0.0342 0.0365
00:01-01:00, Sat., 30 Apr. 0.0386 0.0341 0.0367
23:01-24:00, Fri., 29 Apr. 0.0392 0.0347 0.0369
22:01-23:00, Fri., 29 Apr. 0.0398 0.0358 0.0376
21:01-22:00, Fri., 29 Apr. 0.0424 0.0371 0.0401
20:01-21:00, Fri., 29 Apr. 0.0445 0.0400 0.0424
19:01-20:00, Fri., 29 Apr. 0.0460 0.0410 0.0435
18:01-19:00, Fri., 29 Apr. 0.0467 0.0395 0.0439
17:01-18:00, Fri., 29 Apr. 0.0477 0.0416 0.0443
16:01-17:00, Fri., 29 Apr. 0.0461 0.0421 0.0442
15:01-16:00, Fri., 29 Apr. 0.0466 0.0414 0.0444
14:01-15:00, Fri., 29 Apr. 0.0438 0.0391 0.0419
13:01-14:00, Fri., 29 Apr. 0.0442 0.0371 0.0400
12:01-13:00, Fri., 29 Apr. 0.0419 0.0366 0.0388
11:01-12:00, Fri., 29 Apr. 0.0417 0.0364 0.0383
10:01-11:00, Fri., 29 Apr. 0.0403 0.0360 0.0380
09:01-10:00, Fri., 29 Apr. 0.0393 0.0343 0.0371
08:01-09:00, Fri., 29 Apr. 0.0388 0.0348 0.0369
07:01-08:00, Fri., 29 Apr. 0.0395 0.0343 0.0370
06:01-07:00, Fri., 29 Apr. 0.0390 0.0349 0.0370
05:01-06:00, Fri., 29 Apr. 0.0387 0.0347 0.0369
04:01-05:00, Fri., 29 Apr. 0.0389 0.0349 0.0368
03:01-04:00, Fri., 29 Apr. 0.0394 0.0356 0.0369
02:01-03:00, Fri., 29 Apr. 0.0388 0.0343 0.0367
01:01-02:00, Fri., 29 Apr. 0.0388 0.0347 0.0368
00:01-01:00, Fri., 29 Apr. 0.0388 0.0344 0.0370
23:01-24:00, Thu., 28 Apr. 0.0396 0.0347 0.0367
22:01-23:00, Thu., 28 Apr. 0.0395 0.0344 0.0368
21:01-22:00, Thu., 28 Apr. 0.0391 0.0340 0.0369
20:01-21:00, Thu., 28 Apr. 0.0385 0.0350 0.0369
19:01-20:00, Thu., 28 Apr. 0.0387 0.0345 0.0367
18:01-19:00, Thu., 28 Apr. 0.0387 0.0344 0.0366
17:01-18:00, Thu., 28 Apr. 0.0380 0.0339 0.0365
16:01-17:00, Thu., 28 Apr. 0.0396 0.0338 0.0367
15:01-16:00, Thu., 28 Apr. 0.0391 0.0343 0.0370
14:01-15:00, Thu., 28 Apr. 0.0392 0.0344 0.0370
13:01-14:00, Thu., 28 Apr. 0.0387 0.0347 0.0366
12:01-13:00, Thu., 28 Apr. 0.0394 0.0337 0.0370
11:01-12:00, Thu., 28 Apr. 0.0388 0.0344 0.0366
10:01-11:00, Thu., 28 Apr. 0.0388 0.0340 0.0367
09:01-10:00, Thu., 28 Apr. 0.0395 0.0334 0.0368
08:01-09:00, Thu., 28 Apr. 0.0402 0.0348 0.0369
07:01-08:00, Thu., 28 Apr. 0.0395 0.0353 0.0370
06:01-07:00, Thu., 28 Apr. 0.0388 0.0348 0.0368
05:01-06:00, Thu., 28 Apr. 0.0395 0.0347 0.0367
04:01-05:00, Thu., 28 Apr. 0.0395 0.0350 0.0369
03:01-04:00, Thu., 28 Apr. 0.0390 0.0343 0.0368
02:01-03:00, Thu., 28 Apr. 0.0397 0.0347 0.0370
01:01-02:00, Thu., 28 Apr. 0.0389 0.0340 0.0368
00:01-01:00, Thu., 28 Apr. 0.0389 0.0345 0.0368
23:01-24:00, Wed., 27 Apr. 0.0388 0.0340 0.0367
22:01-23:00, Wed., 27 Apr. 0.0388 0.0348 0.0369
21:01-22:00, Wed., 27 Apr. 0.0391 0.0343 0.0368
20:01-21:00, Wed., 27 Apr. 0.0398 0.0343 0.0369
19:01-20:00, Wed., 27 Apr. 0.0394 0.0347 0.0370
18:01-19:00, Wed., 27 Apr. 0.0391 0.0349 0.0370
17:01-18:00, Wed., 27 Apr. 0.0391 0.0343 0.0370
16:01-17:00, Wed., 27 Apr. 0.0390 0.0347 0.0368
15:01-16:00, Wed., 27 Apr. 0.0395 0.0351 0.0369
14:01-15:00, Wed., 27 Apr. 0.0390 0.0349 0.0367
13:01-14:00, Wed., 27 Apr. 0.0395 0.0345 0.0366
12:01-13:00, Wed., 27 Apr. 0.0391 0.0353 0.0368
11:01-12:00, Wed., 27 Apr. 0.0387 0.0344 0.0366
10:01-11:00, Wed., 27 Apr. 0.0402 0.0352 0.0375
09:01-10:00, Wed., 27 Apr. 0.0416 0.0361 0.0389
08:01-09:00, Wed., 27 Apr. 0.0481 0.0395 0.0442
07:01-08:00, Wed., 27 Apr. 0.0488 0.0356 0.0438
06:01-07:00, Wed., 27 Apr. 0.0388 0.0349 0.0368
05:01-06:00, Wed., 27 Apr. 0.0395 0.0350 0.0368
04:01-05:00, Wed., 27 Apr. 0.0391 0.0343 0.0370
03:01-04:00, Wed., 27 Apr. 0.0394 0.0353 0.0369
02:01-03:00, Wed., 27 Apr. 0.0399 0.0348 0.0369
01:01-02:00, Wed., 27 Apr. 0.0388 0.0349 0.0366
00:01-01:00, Wed., 27 Apr. 0.0384 0.0351 0.0363
23:01-24:00, Tue., 26 Apr. 0.0387 0.0344 0.0366
22:01-23:00, Tue., 26 Apr. 0.0383 0.0348 0.0365
21:01-22:00, Tue., 26 Apr. 0.0382 0.0339 0.0362
20:01-21:00, Tue., 26 Apr. 0.0384 0.0343 0.0363
19:01-20:00, Tue., 26 Apr. 0.0391 0.0346 0.0366
18:01-19:00, Tue., 26 Apr. 0.0386 0.0351 0.0367
17:01-18:00, Tue., 26 Apr. 0.0393 0.0352 0.0371
16:01-17:00, Tue., 26 Apr. 0.0398 0.0354 0.0376
15:01-16:00, Tue., 26 Apr. 0.0388 0.0341 0.0366
14:01-15:00, Tue., 26 Apr. 0.0407 0.0352 0.0369
13:01-14:00, Tue., 26 Apr. 0.0391 0.0347 0.0369
12:01-13:00, Tue., 26 Apr. 0.0404 0.0350 0.0377
11:01-12:00, Tue., 26 Apr. 0.0387 0.0351 0.0371
10:01-11:00, Tue., 26 Apr. 0.0400 0.0348 0.0368
09:01-10:00, Tue., 26 Apr. 0.0395 0.0350 0.0370
08:01-09:00, Tue., 26 Apr. 0.0395 0.0354 0.0371
07:01-08:00, Tue., 26 Apr. 0.0404 0.0350 0.0374
06:01-07:00, Tue., 26 Apr. 0.0395 0.0351 0.0368
05:01-06:00, Tue., 26 Apr. 0.0389 0.0332 0.0370
04:01-05:00, Tue., 26 Apr. 0.0391 0.0342 0.0368
03:01-04:00, Tue., 26 Apr. 0.0386 0.0350 0.0370
02:01-03:00, Tue., 26 Apr. 0.0388 0.0350 0.0368
01:01-02:00, Tue., 26 Apr. 0.0392 0.0348 0.0373
00:01-01:00, Tue., 26 Apr. 0.0386 0.0349 0.0369
23:01-24:00, Mon., 25 Apr. 0.0395 0.0349 0.0372
22:01-23:00, Mon., 25 Apr. 0.0395 0.0347 0.0367
21:01-22:00, Mon., 25 Apr. 0.0387 0.0348 0.0369
20:01-21:00, Mon., 25 Apr. 0.0393 0.0347 0.0370
19:01-20:00, Mon., 25 Apr. 0.0391 0.0347 0.0369
18:01-19:00, Mon., 25 Apr. 0.0390 0.0347 0.0369
17:01-18:00, Mon., 25 Apr. 0.0393 0.0348 0.0371
16:01-17:00, Mon., 25 Apr. 0.0391 0.0353 0.0371
15:01-16:00, Mon., 25 Apr. 0.0391 0.0353 0.0373
14:01-15:00, Mon., 25 Apr. 0.0399 0.0350 0.0372
13:01-14:00, Mon., 25 Apr. 0.0391 0.0352 0.0372
12:01-13:00, Mon., 25 Apr. 0.0388 0.0348 0.0370
11:01-12:00, Mon., 25 Apr. 0.0385 0.0346 0.0369
10:01-11:00, Mon., 25 Apr. 0.0382 0.0353 0.0369
09:01-10:00, Mon., 25 Apr. 0.0388 0.0337 0.0368
08:01-09:00, Mon., 25 Apr. 0.0393 0.0352 0.0371
07:01-08:00, Mon., 25 Apr. 0.0393 0.0351 0.0371
06:01-07:00, Mon., 25 Apr. 0.0387 0.0344 0.0370
05:01-06:00, Mon., 25 Apr. 0.0392 0.0351 0.0370
04:01-05:00, Mon., 25 Apr. 0.0392 0.0340 0.0372
03:01-04:00, Mon., 25 Apr. 0.0389 0.0353 0.0370
02:01-03:00, Mon., 25 Apr. 0.0388 0.0349 0.0369
01:01-02:00, Mon., 25 Apr. 0.0381 0.0350 0.0366
00:01-01:00, Mon., 25 Apr. 0.0392 0.0350 0.0369