Measurement results by the hour (Koto) 25 Oct., 2021 - 31 Oct., 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., 31 Oct. 0.0396 0.0347 0.0372
22:01-23:00, Sun., 31 Oct. 0.0394 0.0353 0.0373
21:01-22:00, Sun., 31 Oct. 0.0389 0.0352 0.0373
20:01-21:00, Sun., 31 Oct. 0.0391 0.0350 0.0374
19:01-20:00, Sun., 31 Oct. 0.0405 0.0358 0.0379
18:01-19:00, Sun., 31 Oct. 0.0409 0.0360 0.0391
17:01-18:00, Sun., 31 Oct. 0.0407 0.0362 0.0386
16:01-17:00, Sun., 31 Oct. 0.0422 0.0369 0.0392
15:01-16:00, Sun., 31 Oct. 0.0422 0.0377 0.0398
14:01-15:00, Sun., 31 Oct. 0.0422 0.0380 0.0403
13:01-14:00, Sun., 31 Oct. 0.0447 0.0395 0.0422
12:01-13:00, Sun., 31 Oct. 0.0437 0.0357 0.0399
11:01-12:00, Sun., 31 Oct. 0.0392 0.0353 0.0375
10:01-11:00, Sun., 31 Oct. 0.0395 0.0353 0.0376
09:01-10:00, Sun., 31 Oct. 0.0400 0.0345 0.0377
08:01-09:00, Sun., 31 Oct. 0.0403 0.0356 0.0374
07:01-08:00, Sun., 31 Oct. 0.0405 0.0349 0.0373
06:01-07:00, Sun., 31 Oct. 0.0398 0.0357 0.0376
05:01-06:00, Sun., 31 Oct. 0.0405 0.0355 0.0376
04:01-05:00, Sun., 31 Oct. 0.0391 0.0353 0.0375
03:01-04:00, Sun., 31 Oct. 0.0402 0.0358 0.0375
02:01-03:00, Sun., 31 Oct. 0.0408 0.0357 0.0377
01:01-02:00, Sun., 31 Oct. 0.0405 0.0347 0.0373
00:01-01:00, Sun., 31 Oct. 0.0391 0.0353 0.0371
23:01-24:00, Sat., 30 Oct. 0.0388 0.0349 0.0370
22:01-23:00, Sat., 30 Oct. 0.0395 0.0350 0.0373
21:01-22:00, Sat., 30 Oct. 0.0392 0.0340 0.0371
20:01-21:00, Sat., 30 Oct. 0.0395 0.0343 0.0372
19:01-20:00, Sat., 30 Oct. 0.0394 0.0353 0.0371
18:01-19:00, Sat., 30 Oct. 0.0391 0.0349 0.0373
17:01-18:00, Sat., 30 Oct. 0.0392 0.0347 0.0371
16:01-17:00, Sat., 30 Oct. 0.0394 0.0356 0.0372
15:01-16:00, Sat., 30 Oct. 0.0396 0.0336 0.0370
14:01-15:00, Sat., 30 Oct. 0.0400 0.0340 0.0374
13:01-14:00, Sat., 30 Oct. 0.0390 0.0349 0.0371
12:01-13:00, Sat., 30 Oct. 0.0396 0.0347 0.0373
11:01-12:00, Sat., 30 Oct. 0.0398 0.0351 0.0373
10:01-11:00, Sat., 30 Oct. 0.0398 0.0356 0.0375
09:01-10:00, Sat., 30 Oct. 0.0395 0.0352 0.0376
08:01-09:00, Sat., 30 Oct. 0.0395 0.0357 0.0376
07:01-08:00, Sat., 30 Oct. 0.0412 0.0355 0.0373
06:01-07:00, Sat., 30 Oct. 0.0396 0.0355 0.0373
05:01-06:00, Sat., 30 Oct. 0.0397 0.0348 0.0373
04:01-05:00, Sat., 30 Oct. 0.0398 0.0352 0.0373
03:01-04:00, Sat., 30 Oct. 0.0395 0.0357 0.0374
02:01-03:00, Sat., 30 Oct. 0.0395 0.0351 0.0375
01:01-02:00, Sat., 30 Oct. 0.0391 0.0350 0.0372
00:01-01:00, Sat., 30 Oct. 0.0388 0.0349 0.0373
23:01-24:00, Fri., 29 Oct. 0.0394 0.0349 0.0374
22:01-23:00, Fri., 29 Oct. 0.0391 0.0350 0.0372
21:01-22:00, Fri., 29 Oct. 0.0396 0.0357 0.0374
20:01-21:00, Fri., 29 Oct. 0.0389 0.0351 0.0371
19:01-20:00, Fri., 29 Oct. 0.0400 0.0347 0.0371
18:01-19:00, Fri., 29 Oct. 0.0398 0.0353 0.0373
17:01-18:00, Fri., 29 Oct. 0.0398 0.0347 0.0373
16:01-17:00, Fri., 29 Oct. 0.0389 0.0352 0.0371
15:01-16:00, Fri., 29 Oct. 0.0402 0.0350 0.0372
14:01-15:00, Fri., 29 Oct. 0.0395 0.0346 0.0371
13:01-14:00, Fri., 29 Oct. 0.0393 0.0343 0.0371
12:01-13:00, Fri., 29 Oct. 0.0404 0.0351 0.0372
11:01-12:00, Fri., 29 Oct. 0.0391 0.0355 0.0373
10:01-11:00, Fri., 29 Oct. 0.0398 0.0350 0.0372
09:01-10:00, Fri., 29 Oct. 0.0395 0.0353 0.0373
08:01-09:00, Fri., 29 Oct. 0.0397 0.0347 0.0372
07:01-08:00, Fri., 29 Oct. 0.0391 0.0350 0.0372
06:01-07:00, Fri., 29 Oct. 0.0399 0.0349 0.0373
05:01-06:00, Fri., 29 Oct. 0.0391 0.0350 0.0373
04:01-05:00, Fri., 29 Oct. 0.0396 0.0343 0.0372
03:01-04:00, Fri., 29 Oct. 0.0395 0.0349 0.0370
02:01-03:00, Fri., 29 Oct. 0.0391 0.0350 0.0371
01:01-02:00, Fri., 29 Oct. 0.0392 0.0350 0.0371
00:01-01:00, Fri., 29 Oct. 0.0385 0.0342 0.0370
23:01-24:00, Thu., 28 Oct. 0.0391 0.0348 0.0371
22:01-23:00, Thu., 28 Oct. 0.0386 0.0351 0.0369
21:01-22:00, Thu., 28 Oct. 0.0401 0.0352 0.0369
20:01-21:00, Thu., 28 Oct. 0.0388 0.0350 0.0369
19:01-20:00, Thu., 28 Oct. 0.0393 0.0347 0.0367
18:01-19:00, Thu., 28 Oct. 0.0387 0.0350 0.0368
17:01-18:00, Thu., 28 Oct. 0.0385 0.0333 0.0367
16:01-17:00, Thu., 28 Oct. 0.0396 0.0343 0.0368
15:01-16:00, Thu., 28 Oct. 0.0387 0.0357 0.0371
14:01-15:00, Thu., 28 Oct. 0.0394 0.0354 0.0372
13:01-14:00, Thu., 28 Oct. 0.0398 0.0342 0.0368
12:01-13:00, Thu., 28 Oct. 0.0390 0.0349 0.0368
11:01-12:00, Thu., 28 Oct. 0.0381 0.0346 0.0367
10:01-11:00, Thu., 28 Oct. 0.0392 0.0343 0.0369
09:01-10:00, Thu., 28 Oct. 0.0386 0.0347 0.0372
08:01-09:00, Thu., 28 Oct. 0.0393 0.0357 0.0369
07:01-08:00, Thu., 28 Oct. 0.0393 0.0348 0.0372
06:01-07:00, Thu., 28 Oct. 0.0402 0.0357 0.0379
05:01-06:00, Thu., 28 Oct. 0.0436 0.0372 0.0397
04:01-05:00, Thu., 28 Oct. 0.0479 0.0414 0.0451
03:01-04:00, Thu., 28 Oct. 0.0474 0.0414 0.0450
02:01-03:00, Thu., 28 Oct. 0.0438 0.0358 0.0400
01:01-02:00, Thu., 28 Oct. 0.0387 0.0353 0.0370
00:01-01:00, Thu., 28 Oct. 0.0386 0.0343 0.0366
23:01-24:00, Wed., 27 Oct. 0.0388 0.0347 0.0366
22:01-23:00, Wed., 27 Oct. 0.0393 0.0343 0.0366
21:01-22:00, Wed., 27 Oct. 0.0388 0.0348 0.0368
20:01-21:00, Wed., 27 Oct. 0.0391 0.0342 0.0369
19:01-20:00, Wed., 27 Oct. 0.0390 0.0350 0.0367
18:01-19:00, Wed., 27 Oct. 0.0392 0.0347 0.0367
17:01-18:00, Wed., 27 Oct. 0.0391 0.0348 0.0367
16:01-17:00, Wed., 27 Oct. 0.0391 0.0343 0.0367
15:01-16:00, Wed., 27 Oct. 0.0393 0.0349 0.0368
14:01-15:00, Wed., 27 Oct. 0.0399 0.0345 0.0369
13:01-14:00, Wed., 27 Oct. 0.0398 0.0360 0.0379
12:01-13:00, Wed., 27 Oct. 0.0421 0.0378 0.0397
11:01-12:00, Wed., 27 Oct. 0.0416 0.0355 0.0385
10:01-11:00, Wed., 27 Oct. 0.0384 0.0347 0.0367
09:01-10:00, Wed., 27 Oct. 0.0388 0.0348 0.0368
08:01-09:00, Wed., 27 Oct. 0.0384 0.0349 0.0367
07:01-08:00, Wed., 27 Oct. 0.0385 0.0346 0.0367
06:01-07:00, Wed., 27 Oct. 0.0390 0.0339 0.0369
05:01-06:00, Wed., 27 Oct. 0.0396 0.0349 0.0367
04:01-05:00, Wed., 27 Oct. 0.0384 0.0346 0.0368
03:01-04:00, Wed., 27 Oct. 0.0381 0.0350 0.0367
02:01-03:00, Wed., 27 Oct. 0.0391 0.0350 0.0367
01:01-02:00, Wed., 27 Oct. 0.0386 0.0348 0.0367
00:01-01:00, Wed., 27 Oct. 0.0383 0.0340 0.0367
23:01-24:00, Tue., 26 Oct. 0.0382 0.0345 0.0365
22:01-23:00, Tue., 26 Oct. 0.0397 0.0341 0.0366
21:01-22:00, Tue., 26 Oct. 0.0392 0.0339 0.0366
20:01-21:00, Tue., 26 Oct. 0.0388 0.0343 0.0365
19:01-20:00, Tue., 26 Oct. 0.0388 0.0340 0.0364
18:01-19:00, Tue., 26 Oct. 0.0381 0.0342 0.0364
17:01-18:00, Tue., 26 Oct. 0.0394 0.0347 0.0366
16:01-17:00, Tue., 26 Oct. 0.0385 0.0341 0.0366
15:01-16:00, Tue., 26 Oct. 0.0383 0.0344 0.0364
14:01-15:00, Tue., 26 Oct. 0.0375 0.0346 0.0362
13:01-14:00, Tue., 26 Oct. 0.0391 0.0351 0.0368
12:01-13:00, Tue., 26 Oct. 0.0385 0.0345 0.0365
11:01-12:00, Tue., 26 Oct. 0.0384 0.0347 0.0367
10:01-11:00, Tue., 26 Oct. 0.0384 0.0346 0.0366
09:01-10:00, Tue., 26 Oct. 0.0384 0.0346 0.0368
08:01-09:00, Tue., 26 Oct. 0.0404 0.0350 0.0375
07:01-08:00, Tue., 26 Oct. 0.0404 0.0367 0.0386
06:01-07:00, Tue., 26 Oct. 0.0424 0.0369 0.0401
05:01-06:00, Tue., 26 Oct. 0.0425 0.0373 0.0398
04:01-05:00, Tue., 26 Oct. 0.0436 0.0382 0.0409
03:01-04:00, Tue., 26 Oct. 0.0463 0.0408 0.0434
02:01-03:00, Tue., 26 Oct. 0.0469 0.0412 0.0435
01:01-02:00, Tue., 26 Oct. 0.0450 0.0412 0.0431
00:01-01:00, Tue., 26 Oct. 0.0443 0.0403 0.0424
23:01-24:00, Mon., 25 Oct. 0.0436 0.0398 0.0419
22:01-23:00, Mon., 25 Oct. 0.0429 0.0372 0.0402
21:01-22:00, Mon., 25 Oct. 0.0418 0.0363 0.0387
20:01-21:00, Mon., 25 Oct. 0.0393 0.0353 0.0373
19:01-20:00, Mon., 25 Oct. 0.0394 0.0354 0.0373
18:01-19:00, Mon., 25 Oct. 0.0394 0.0354 0.0372
17:01-18:00, Mon., 25 Oct. 0.0393 0.0349 0.0372
16:01-17:00, Mon., 25 Oct. 0.0395 0.0351 0.0372
15:01-16:00, Mon., 25 Oct. 0.0398 0.0350 0.0373
14:01-15:00, Mon., 25 Oct. 0.0397 0.0353 0.0372
13:01-14:00, Mon., 25 Oct. 0.0398 0.0352 0.0371
12:01-13:00, Mon., 25 Oct. 0.0397 0.0343 0.0371
11:01-12:00, Mon., 25 Oct. 0.0398 0.0347 0.0372
10:01-11:00, Mon., 25 Oct. 0.0400 0.0349 0.0369
09:01-10:00, Mon., 25 Oct. 0.0387 0.0345 0.0371
08:01-09:00, Mon., 25 Oct. 0.0395 0.0351 0.0376
07:01-08:00, Mon., 25 Oct. 0.0399 0.0342 0.0378
06:01-07:00, Mon., 25 Oct. 0.0394 0.0354 0.0376
05:01-06:00, Mon., 25 Oct. 0.0392 0.0347 0.0374
04:01-05:00, Mon., 25 Oct. 0.0400 0.0345 0.0374
03:01-04:00, Mon., 25 Oct. 0.0395 0.0351 0.0372
02:01-03:00, Mon., 25 Oct. 0.0393 0.0354 0.0375
01:01-02:00, Mon., 25 Oct. 0.0397 0.0354 0.0372
00:01-01:00, Mon., 25 Oct. 0.0402 0.0347 0.0370