Measurement results by the hour (Koto) 17 Apr., 2017 - 23 Apr., 2017

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., 23 Apr. 0.0385 0.0332 0.0363
22:01-23:00, Sun., 23 Apr. 0.0392 0.0346 0.0366
21:01-22:00, Sun., 23 Apr. 0.0388 0.0344 0.0366
20:01-21:00, Sun., 23 Apr. 0.0400 0.0343 0.0365
19:01-20:00, Sun., 23 Apr. 0.0384 0.0343 0.0366
18:01-19:00, Sun., 23 Apr. 0.0383 0.0344 0.0366
17:01-18:00, Sun., 23 Apr. 0.0388 0.0349 0.0364
16:01-17:00, Sun., 23 Apr. 0.0396 0.0337 0.0367
15:01-16:00, Sun., 23 Apr. 0.0389 0.0345 0.0368
14:01-15:00, Sun., 23 Apr. 0.0384 0.0342 0.0364
13:01-14:00, Sun., 23 Apr. 0.0394 0.0341 0.0365
12:01-13:00, Sun., 23 Apr. 0.0391 0.0346 0.0366
11:01-12:00, Sun., 23 Apr. 0.0390 0.0350 0.0367
10:01-11:00, Sun., 23 Apr. 0.0385 0.0348 0.0367
09:01-10:00, Sun., 23 Apr. 0.0391 0.0343 0.0367
08:01-09:00, Sun., 23 Apr. 0.0385 0.0349 0.0370
07:01-08:00, Sun., 23 Apr. 0.0389 0.0328 0.0366
06:01-07:00, Sun., 23 Apr. 0.0388 0.0346 0.0367
05:01-06:00, Sun., 23 Apr. 0.0388 0.0342 0.0365
04:01-05:00, Sun., 23 Apr. 0.0392 0.0347 0.0366
03:01-04:00, Sun., 23 Apr. 0.0395 0.0340 0.0366
02:01-03:00, Sun., 23 Apr. 0.0391 0.0348 0.0369
01:01-02:00, Sun., 23 Apr. 0.0391 0.0346 0.0372
00:01-01:00, Sun., 23 Apr. 0.0415 0.0360 0.0387
23:01-24:00, Sat., 22 Apr. 0.0454 0.0384 0.0417
22:01-23:00, Sat., 22 Apr. 0.0482 0.0424 0.0453
21:01-22:00, Sat., 22 Apr. 0.0488 0.0420 0.0452
20:01-21:00, Sat., 22 Apr. 0.0438 0.0388 0.0417
19:01-20:00, Sat., 22 Apr. 0.0454 0.0403 0.0424
18:01-19:00, Sat., 22 Apr. 0.0471 0.0397 0.0427
17:01-18:00, Sat., 22 Apr. 0.0468 0.0344 0.0386
16:01-17:00, Sat., 22 Apr. 0.0401 0.0347 0.0371
15:01-16:00, Sat., 22 Apr. 0.0403 0.0349 0.0371
14:01-15:00, Sat., 22 Apr. 0.0393 0.0348 0.0370
13:01-14:00, Sat., 22 Apr. 0.0399 0.0338 0.0369
12:01-13:00, Sat., 22 Apr. 0.0395 0.0342 0.0371
11:01-12:00, Sat., 22 Apr. 0.0400 0.0352 0.0372
10:01-11:00, Sat., 22 Apr. 0.0391 0.0340 0.0369
09:01-10:00, Sat., 22 Apr. 0.0392 0.0348 0.0368
08:01-09:00, Sat., 22 Apr. 0.0401 0.0349 0.0373
07:01-08:00, Sat., 22 Apr. 0.0389 0.0352 0.0370
06:01-07:00, Sat., 22 Apr. 0.0393 0.0350 0.0370
05:01-06:00, Sat., 22 Apr. 0.0391 0.0350 0.0371
04:01-05:00, Sat., 22 Apr. 0.0393 0.0352 0.0374
03:01-04:00, Sat., 22 Apr. 0.0393 0.0355 0.0371
02:01-03:00, Sat., 22 Apr. 0.0398 0.0351 0.0372
01:01-02:00, Sat., 22 Apr. 0.0392 0.0350 0.0370
00:01-01:00, Sat., 22 Apr. 0.0393 0.0345 0.0371
23:01-24:00, Fri., 21 Apr. 0.0394 0.0349 0.0369
22:01-23:00, Fri., 21 Apr. 0.0388 0.0346 0.0368
21:01-22:00, Fri., 21 Apr. 0.0396 0.0350 0.0369
20:01-21:00, Fri., 21 Apr. 0.0409 0.0346 0.0369
19:01-20:00, Fri., 21 Apr. 0.0390 0.0347 0.0372
18:01-19:00, Fri., 21 Apr. 0.0400 0.0349 0.0371
17:01-18:00, Fri., 21 Apr. 0.0396 0.0342 0.0371
16:01-17:00, Fri., 21 Apr. 0.0397 0.0352 0.0372
15:01-16:00, Fri., 21 Apr. 0.0394 0.0344 0.0369
14:01-15:00, Fri., 21 Apr. 0.0398 0.0346 0.0370
13:01-14:00, Fri., 21 Apr. 0.0392 0.0350 0.0368
12:01-13:00, Fri., 21 Apr. 0.0396 0.0346 0.0371
11:01-12:00, Fri., 21 Apr. 0.0394 0.0357 0.0373
10:01-11:00, Fri., 21 Apr. 0.0397 0.0344 0.0370
09:01-10:00, Fri., 21 Apr. 0.0388 0.0349 0.0368
08:01-09:00, Fri., 21 Apr. 0.0403 0.0343 0.0368
07:01-08:00, Fri., 21 Apr. 0.0390 0.0347 0.0370
06:01-07:00, Fri., 21 Apr. 0.0386 0.0339 0.0368
05:01-06:00, Fri., 21 Apr. 0.0391 0.0332 0.0368
04:01-05:00, Fri., 21 Apr. 0.0398 0.0347 0.0370
03:01-04:00, Fri., 21 Apr. 0.0394 0.0346 0.0371
02:01-03:00, Fri., 21 Apr. 0.0390 0.0344 0.0370
01:01-02:00, Fri., 21 Apr. 0.0395 0.0351 0.0371
00:01-01:00, Fri., 21 Apr. 0.0395 0.0349 0.0370
23:01-24:00, Thu., 20 Apr. 0.0394 0.0338 0.0368
22:01-23:00, Thu., 20 Apr. 0.0393 0.0348 0.0373
21:01-22:00, Thu., 20 Apr. 0.0400 0.0340 0.0367
20:01-21:00, Thu., 20 Apr. 0.0388 0.0347 0.0367
19:01-20:00, Thu., 20 Apr. 0.0398 0.0346 0.0370
18:01-19:00, Thu., 20 Apr. 0.0397 0.0348 0.0372
17:01-18:00, Thu., 20 Apr. 0.0390 0.0345 0.0368
16:01-17:00, Thu., 20 Apr. 0.0396 0.0349 0.0372
15:01-16:00, Thu., 20 Apr. 0.0392 0.0344 0.0370
14:01-15:00, Thu., 20 Apr. 0.0400 0.0351 0.0371
13:01-14:00, Thu., 20 Apr. 0.0390 0.0345 0.0370
12:01-13:00, Thu., 20 Apr. 0.0397 0.0350 0.0370
11:01-12:00, Thu., 20 Apr. 0.0400 0.0351 0.0368
10:01-11:00, Thu., 20 Apr. 0.0386 0.0348 0.0367
09:01-10:00, Thu., 20 Apr. 0.0386 0.0340 0.0366
08:01-09:00, Thu., 20 Apr. 0.0388 0.0346 0.0368
07:01-08:00, Thu., 20 Apr. 0.0391 0.0351 0.0372
06:01-07:00, Thu., 20 Apr. 0.0399 0.0347 0.0369
05:01-06:00, Thu., 20 Apr. 0.0394 0.0349 0.0368
04:01-05:00, Thu., 20 Apr. 0.0397 0.0351 0.0368
03:01-04:00, Thu., 20 Apr. 0.0393 0.0351 0.0369
02:01-03:00, Thu., 20 Apr. 0.0391 0.0347 0.0371
01:01-02:00, Thu., 20 Apr. 0.0398 0.0348 0.0372
00:01-01:00, Thu., 20 Apr. 0.0389 0.0348 0.0369
23:01-24:00, Wed., 19 Apr. 0.0390 0.0351 0.0369
22:01-23:00, Wed., 19 Apr. 0.0393 0.0347 0.0371
21:01-22:00, Wed., 19 Apr. 0.0391 0.0350 0.0371
20:01-21:00, Wed., 19 Apr. 0.0389 0.0341 0.0367
19:01-20:00, Wed., 19 Apr. 0.0395 0.0350 0.0371
18:01-19:00, Wed., 19 Apr. 0.0389 0.0348 0.0368
17:01-18:00, Wed., 19 Apr. 0.0393 0.0353 0.0369
16:01-17:00, Wed., 19 Apr. 0.0397 0.0344 0.0369
15:01-16:00, Wed., 19 Apr. 0.0389 0.0351 0.0369
14:01-15:00, Wed., 19 Apr. 0.0392 0.0343 0.0368
13:01-14:00, Wed., 19 Apr. 0.0397 0.0346 0.0366
12:01-13:00, Wed., 19 Apr. 0.0398 0.0347 0.0368
11:01-12:00, Wed., 19 Apr. 0.0391 0.0347 0.0368
10:01-11:00, Wed., 19 Apr. 0.0395 0.0351 0.0370
09:01-10:00, Wed., 19 Apr. 0.0393 0.0348 0.0367
08:01-09:00, Wed., 19 Apr. 0.0399 0.0350 0.0370
07:01-08:00, Wed., 19 Apr. 0.0387 0.0338 0.0369
06:01-07:00, Wed., 19 Apr. 0.0398 0.0339 0.0368
05:01-06:00, Wed., 19 Apr. 0.0403 0.0351 0.0369
04:01-05:00, Wed., 19 Apr. 0.0393 0.0342 0.0367
03:01-04:00, Wed., 19 Apr. 0.0396 0.0347 0.0368
02:01-03:00, Wed., 19 Apr. 0.0409 0.0345 0.0366
01:01-02:00, Wed., 19 Apr. 0.0394 0.0343 0.0367
00:01-01:00, Wed., 19 Apr. 0.0392 0.0341 0.0369
23:01-24:00, Tue., 18 Apr. 0.0386 0.0344 0.0365
22:01-23:00, Tue., 18 Apr. 0.0398 0.0348 0.0366
21:01-22:00, Tue., 18 Apr. 0.0391 0.0344 0.0366
20:01-21:00, Tue., 18 Apr. 0.0384 0.0349 0.0368
19:01-20:00, Tue., 18 Apr. 0.0387 0.0343 0.0366
18:01-19:00, Tue., 18 Apr. 0.0380 0.0339 0.0365
17:01-18:00, Tue., 18 Apr. 0.0385 0.0348 0.0366
16:01-17:00, Tue., 18 Apr. 0.0395 0.0343 0.0368
15:01-16:00, Tue., 18 Apr. 0.0391 0.0345 0.0367
14:01-15:00, Tue., 18 Apr. 0.0390 0.0348 0.0369
13:01-14:00, Tue., 18 Apr. 0.0392 0.0342 0.0368
12:01-13:00, Tue., 18 Apr. 0.0402 0.0346 0.0370
11:01-12:00, Tue., 18 Apr. 0.0391 0.0344 0.0368
10:01-11:00, Tue., 18 Apr. 0.0391 0.0344 0.0368
09:01-10:00, Tue., 18 Apr. 0.0390 0.0348 0.0370
08:01-09:00, Tue., 18 Apr. 0.0421 0.0361 0.0393
07:01-08:00, Tue., 18 Apr. 0.0526 0.0401 0.0450
06:01-07:00, Tue., 18 Apr. 0.0544 0.0471 0.0506
05:01-06:00, Tue., 18 Apr. 0.0509 0.0370 0.0439
04:01-05:00, Tue., 18 Apr. 0.0412 0.0365 0.0385
03:01-04:00, Tue., 18 Apr. 0.0428 0.0362 0.0396
02:01-03:00, Tue., 18 Apr. 0.0438 0.0385 0.0411
01:01-02:00, Tue., 18 Apr. 0.0426 0.0388 0.0407
00:01-01:00, Tue., 18 Apr. 0.0432 0.0386 0.0409
23:01-24:00, Mon., 17 Apr. 0.0440 0.0382 0.0408
22:01-23:00, Mon., 17 Apr. 0.0418 0.0368 0.0393
21:01-22:00, Mon., 17 Apr. 0.0419 0.0361 0.0382
20:01-21:00, Mon., 17 Apr. 0.0411 0.0365 0.0384
19:01-20:00, Mon., 17 Apr. 0.0432 0.0379 0.0402
18:01-19:00, Mon., 17 Apr. 0.0426 0.0380 0.0402
17:01-18:00, Mon., 17 Apr. 0.0413 0.0366 0.0387
16:01-17:00, Mon., 17 Apr. 0.0408 0.0343 0.0374
15:01-16:00, Mon., 17 Apr. 0.0408 0.0347 0.0369
14:01-15:00, Mon., 17 Apr. 0.0401 0.0355 0.0372
13:01-14:00, Mon., 17 Apr. 0.0397 0.0345 0.0370
12:01-13:00, Mon., 17 Apr. 0.0398 0.0345 0.0369
11:01-12:00, Mon., 17 Apr. 0.0397 0.0350 0.0373
10:01-11:00, Mon., 17 Apr. 0.0391 0.0349 0.0372
09:01-10:00, Mon., 17 Apr. 0.0387 0.0345 0.0370
08:01-09:00, Mon., 17 Apr. 0.0399 0.0347 0.0372
07:01-08:00, Mon., 17 Apr. 0.0391 0.0348 0.0369
06:01-07:00, Mon., 17 Apr. 0.0409 0.0353 0.0372
05:01-06:00, Mon., 17 Apr. 0.0396 0.0351 0.0372
04:01-05:00, Mon., 17 Apr. 0.0398 0.0352 0.0371
03:01-04:00, Mon., 17 Apr. 0.0388 0.0349 0.0371
02:01-03:00, Mon., 17 Apr. 0.0412 0.0357 0.0375
01:01-02:00, Mon., 17 Apr. 0.0389 0.0352 0.0371
00:01-01:00, Mon., 17 Apr. 0.0393 0.0350 0.0372