Measurement results by the hour (Koto) 26 Apr., 2021 - 2 May., 2021

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
23:01-24:00, Sun., 02 May. 0.0390 0.0350 0.0373
22:01-23:00, Sun., 02 May. 0.0390 0.0353 0.0371
21:01-22:00, Sun., 02 May. 0.0393 0.0357 0.0373
20:01-21:00, Sun., 02 May. 0.0394 0.0353 0.0373
19:01-20:00, Sun., 02 May. 0.0395 0.0363 0.0378
18:01-19:00, Sun., 02 May. 0.0415 0.0367 0.0386
17:01-18:00, Sun., 02 May. 0.0429 0.0376 0.0401
16:01-17:00, Sun., 02 May. 0.0416 0.0362 0.0390
15:01-16:00, Sun., 02 May. 0.0413 0.0371 0.0391
14:01-15:00, Sun., 02 May. 0.0412 0.0359 0.0389
13:01-14:00, Sun., 02 May. 0.0395 0.0353 0.0376
12:01-13:00, Sun., 02 May. 0.0403 0.0350 0.0375
11:01-12:00, Sun., 02 May. 0.0395 0.0354 0.0376
10:01-11:00, Sun., 02 May. 0.0395 0.0354 0.0377
09:01-10:00, Sun., 02 May. 0.0393 0.0354 0.0374
08:01-09:00, Sun., 02 May. 0.0389 0.0356 0.0375
07:01-08:00, Sun., 02 May. 0.0395 0.0352 0.0373
06:01-07:00, Sun., 02 May. 0.0403 0.0353 0.0372
05:01-06:00, Sun., 02 May. 0.0403 0.0347 0.0371
04:01-05:00, Sun., 02 May. 0.0400 0.0348 0.0372
03:01-04:00, Sun., 02 May. 0.0392 0.0349 0.0373
02:01-03:00, Sun., 02 May. 0.0386 0.0353 0.0371
01:01-02:00, Sun., 02 May. 0.0403 0.0343 0.0375
00:01-01:00, Sun., 02 May. 0.0416 0.0362 0.0386
23:01-24:00, Sat., 01 May. 0.0444 0.0386 0.0417
22:01-23:00, Sat., 01 May. 0.0476 0.0409 0.0442
21:01-22:00, Sat., 01 May. 0.0481 0.0395 0.0435
20:01-21:00, Sat., 01 May. 0.0503 0.0455 0.0481
19:01-20:00, Sat., 01 May. 0.0484 0.0371 0.0419
18:01-19:00, Sat., 01 May. 0.0398 0.0352 0.0375
17:01-18:00, Sat., 01 May. 0.0412 0.0345 0.0384
16:01-17:00, Sat., 01 May. 0.0441 0.0383 0.0414
15:01-16:00, Sat., 01 May. 0.0446 0.0362 0.0398
14:01-15:00, Sat., 01 May. 0.0394 0.0357 0.0377
13:01-14:00, Sat., 01 May. 0.0400 0.0357 0.0376
12:01-13:00, Sat., 01 May. 0.0397 0.0346 0.0374
11:01-12:00, Sat., 01 May. 0.0395 0.0352 0.0375
10:01-11:00, Sat., 01 May. 0.0393 0.0350 0.0372
09:01-10:00, Sat., 01 May. 0.0388 0.0347 0.0372
08:01-09:00, Sat., 01 May. 0.0397 0.0344 0.0374
07:01-08:00, Sat., 01 May. 0.0405 0.0353 0.0373
06:01-07:00, Sat., 01 May. 0.0398 0.0344 0.0373
05:01-06:00, Sat., 01 May. 0.0387 0.0343 0.0371
04:01-05:00, Sat., 01 May. 0.0391 0.0347 0.0371
03:01-04:00, Sat., 01 May. 0.0390 0.0357 0.0373
02:01-03:00, Sat., 01 May. 0.0399 0.0357 0.0374
01:01-02:00, Sat., 01 May. 0.0397 0.0346 0.0373
00:01-01:00, Sat., 01 May. 0.0393 0.0347 0.0372
23:01-24:00, Fri., 30 Apr. 0.0390 0.0350 0.0372
22:01-23:00, Fri., 30 Apr. 0.0398 0.0357 0.0373
21:01-22:00, Fri., 30 Apr. 0.0398 0.0353 0.0374
20:01-21:00, Fri., 30 Apr. 0.0393 0.0353 0.0372
19:01-20:00, Fri., 30 Apr. 0.0389 0.0354 0.0372
18:01-19:00, Fri., 30 Apr. 0.0394 0.0352 0.0374
17:01-18:00, Fri., 30 Apr. 0.0392 0.0352 0.0372
16:01-17:00, Fri., 30 Apr. 0.0394 0.0353 0.0374
15:01-16:00, Fri., 30 Apr. 0.0390 0.0354 0.0373
14:01-15:00, Fri., 30 Apr. 0.0399 0.0350 0.0372
13:01-14:00, Fri., 30 Apr. 0.0392 0.0355 0.0372
12:01-13:00, Fri., 30 Apr. 0.0390 0.0353 0.0372
11:01-12:00, Fri., 30 Apr. 0.0391 0.0346 0.0371
10:01-11:00, Fri., 30 Apr. 0.0393 0.0347 0.0373
09:01-10:00, Fri., 30 Apr. 0.0395 0.0352 0.0370
08:01-09:00, Fri., 30 Apr. 0.0398 0.0350 0.0371
07:01-08:00, Fri., 30 Apr. 0.0395 0.0348 0.0374
06:01-07:00, Fri., 30 Apr. 0.0390 0.0354 0.0371
05:01-06:00, Fri., 30 Apr. 0.0408 0.0343 0.0371
04:01-05:00, Fri., 30 Apr. 0.0397 0.0345 0.0372
03:01-04:00, Fri., 30 Apr. 0.0401 0.0336 0.0371
02:01-03:00, Fri., 30 Apr. 0.0398 0.0345 0.0370
01:01-02:00, Fri., 30 Apr. 0.0398 0.0356 0.0380
00:01-01:00, Fri., 30 Apr. 0.0407 0.0360 0.0386
23:01-24:00, Thu., 29 Apr. 0.0429 0.0383 0.0403
22:01-23:00, Thu., 29 Apr. 0.0432 0.0386 0.0411
21:01-22:00, Thu., 29 Apr. 0.0426 0.0375 0.0398
20:01-21:00, Thu., 29 Apr. 0.0415 0.0367 0.0391
19:01-20:00, Thu., 29 Apr. 0.0411 0.0370 0.0391
18:01-19:00, Thu., 29 Apr. 0.0426 0.0382 0.0398
17:01-18:00, Thu., 29 Apr. 0.0431 0.0384 0.0407
16:01-17:00, Thu., 29 Apr. 0.0417 0.0374 0.0396
15:01-16:00, Thu., 29 Apr. 0.0419 0.0367 0.0388
14:01-15:00, Thu., 29 Apr. 0.0405 0.0358 0.0382
13:01-14:00, Thu., 29 Apr. 0.0397 0.0357 0.0378
12:01-13:00, Thu., 29 Apr. 0.0406 0.0363 0.0384
11:01-12:00, Thu., 29 Apr. 0.0409 0.0367 0.0385
10:01-11:00, Thu., 29 Apr. 0.0400 0.0359 0.0383
09:01-10:00, Thu., 29 Apr. 0.0405 0.0354 0.0383
08:01-09:00, Thu., 29 Apr. 0.0401 0.0363 0.0384
07:01-08:00, Thu., 29 Apr. 0.0414 0.0367 0.0385
06:01-07:00, Thu., 29 Apr. 0.0415 0.0365 0.0383
05:01-06:00, Thu., 29 Apr. 0.0401 0.0357 0.0382
04:01-05:00, Thu., 29 Apr. 0.0420 0.0370 0.0392
03:01-04:00, Thu., 29 Apr. 0.0415 0.0374 0.0394
02:01-03:00, Thu., 29 Apr. 0.0407 0.0356 0.0387
01:01-02:00, Thu., 29 Apr. 0.0400 0.0357 0.0381
00:01-01:00, Thu., 29 Apr. 0.0403 0.0359 0.0383
23:01-24:00, Wed., 28 Apr. 0.0409 0.0358 0.0384
22:01-23:00, Wed., 28 Apr. 0.0396 0.0353 0.0375
21:01-22:00, Wed., 28 Apr. 0.0406 0.0356 0.0377
20:01-21:00, Wed., 28 Apr. 0.0395 0.0358 0.0378
19:01-20:00, Wed., 28 Apr. 0.0400 0.0361 0.0378
18:01-19:00, Wed., 28 Apr. 0.0418 0.0355 0.0379
17:01-18:00, Wed., 28 Apr. 0.0415 0.0348 0.0375
16:01-17:00, Wed., 28 Apr. 0.0401 0.0351 0.0377
15:01-16:00, Wed., 28 Apr. 0.0398 0.0353 0.0376
14:01-15:00, Wed., 28 Apr. 0.0395 0.0358 0.0376
13:01-14:00, Wed., 28 Apr. 0.0395 0.0354 0.0376
12:01-13:00, Wed., 28 Apr. 0.0405 0.0350 0.0376
11:01-12:00, Wed., 28 Apr. 0.0391 0.0354 0.0377
10:01-11:00, Wed., 28 Apr. 0.0398 0.0354 0.0378
09:01-10:00, Wed., 28 Apr. 0.0399 0.0358 0.0378
08:01-09:00, Wed., 28 Apr. 0.0402 0.0362 0.0381
07:01-08:00, Wed., 28 Apr. 0.0402 0.0362 0.0382
06:01-07:00, Wed., 28 Apr. 0.0409 0.0355 0.0378
05:01-06:00, Wed., 28 Apr. 0.0405 0.0361 0.0381
04:01-05:00, Wed., 28 Apr. 0.0402 0.0354 0.0380
03:01-04:00, Wed., 28 Apr. 0.0404 0.0363 0.0382
02:01-03:00, Wed., 28 Apr. 0.0402 0.0350 0.0378
01:01-02:00, Wed., 28 Apr. 0.0396 0.0351 0.0376
00:01-01:00, Wed., 28 Apr. 0.0398 0.0354 0.0379
23:01-24:00, Tue., 27 Apr. 0.0392 0.0353 0.0377
22:01-23:00, Tue., 27 Apr. 0.0398 0.0355 0.0377
21:01-22:00, Tue., 27 Apr. 0.0394 0.0350 0.0376
20:01-21:00, Tue., 27 Apr. 0.0396 0.0353 0.0376
19:01-20:00, Tue., 27 Apr. 0.0402 0.0360 0.0378
18:01-19:00, Tue., 27 Apr. 0.0400 0.0361 0.0376
17:01-18:00, Tue., 27 Apr. 0.0402 0.0352 0.0377
16:01-17:00, Tue., 27 Apr. 0.0396 0.0355 0.0377
15:01-16:00, Tue., 27 Apr. 0.0395 0.0360 0.0377
14:01-15:00, Tue., 27 Apr. 0.0405 0.0353 0.0378
13:01-14:00, Tue., 27 Apr. 0.0395 0.0354 0.0376
12:01-13:00, Tue., 27 Apr. 0.0402 0.0358 0.0378
11:01-12:00, Tue., 27 Apr. 0.0398 0.0354 0.0375
10:01-11:00, Tue., 27 Apr. 0.0402 0.0356 0.0377
09:01-10:00, Tue., 27 Apr. 0.0399 0.0358 0.0378
08:01-09:00, Tue., 27 Apr. 0.0405 0.0355 0.0377
07:01-08:00, Tue., 27 Apr. 0.0401 0.0357 0.0378
06:01-07:00, Tue., 27 Apr. 0.0398 0.0353 0.0376
05:01-06:00, Tue., 27 Apr. 0.0412 0.0349 0.0377
04:01-05:00, Tue., 27 Apr. 0.0400 0.0360 0.0377
03:01-04:00, Tue., 27 Apr. 0.0395 0.0360 0.0377
02:01-03:00, Tue., 27 Apr. 0.0398 0.0351 0.0378
01:01-02:00, Tue., 27 Apr. 0.0402 0.0347 0.0376
00:01-01:00, Tue., 27 Apr. 0.0410 0.0355 0.0379
23:01-24:00, Mon., 26 Apr. 0.0395 0.0358 0.0378
22:01-23:00, Mon., 26 Apr. 0.0404 0.0357 0.0376
21:01-22:00, Mon., 26 Apr. 0.0409 0.0358 0.0378
20:01-21:00, Mon., 26 Apr. 0.0394 0.0347 0.0375
19:01-20:00, Mon., 26 Apr. 0.0400 0.0356 0.0378
18:01-19:00, Mon., 26 Apr. 0.0403 0.0355 0.0377
17:01-18:00, Mon., 26 Apr. 0.0398 0.0356 0.0377
16:01-17:00, Mon., 26 Apr. 0.0395 0.0358 0.0377
15:01-16:00, Mon., 26 Apr. 0.0398 0.0362 0.0378
14:01-15:00, Mon., 26 Apr. 0.0402 0.0350 0.0378
13:01-14:00, Mon., 26 Apr. 0.0403 0.0360 0.0377
12:01-13:00, Mon., 26 Apr. 0.0399 0.0356 0.0377
11:01-12:00, Mon., 26 Apr. 0.0394 0.0361 0.0376
10:01-11:00, Mon., 26 Apr. 0.0405 0.0360 0.0378
09:01-10:00, Mon., 26 Apr. 0.0400 0.0356 0.0376
08:01-09:00, Mon., 26 Apr. 0.0397 0.0357 0.0380
07:01-08:00, Mon., 26 Apr. 0.0395 0.0352 0.0376
06:01-07:00, Mon., 26 Apr. 0.0398 0.0354 0.0377
05:01-06:00, Mon., 26 Apr. 0.0389 0.0359 0.0377
04:01-05:00, Mon., 26 Apr. 0.0401 0.0354 0.0378
03:01-04:00, Mon., 26 Apr. 0.0397 0.0354 0.0378
02:01-03:00, Mon., 26 Apr. 0.0398 0.0350 0.0377
01:01-02:00, Mon., 26 Apr. 0.0404 0.0353 0.0377
00:01-01:00, Mon., 26 Apr. 0.0399 0.0360 0.0378