Measurement results by the hour (Koto) 22 Apr., 2019 - 28 Apr., 2019

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., 28 Apr. 0.0363 0.0317 0.0343
22:01-23:00, Sun., 28 Apr. 0.0367 0.0326 0.0344
21:01-22:00, Sun., 28 Apr. 0.0366 0.0325 0.0344
20:01-21:00, Sun., 28 Apr. 0.0363 0.0321 0.0342
19:01-20:00, Sun., 28 Apr. 0.0360 0.0325 0.0342
18:01-19:00, Sun., 28 Apr. 0.0372 0.0319 0.0342
17:01-18:00, Sun., 28 Apr. 0.0361 0.0332 0.0344
16:01-17:00, Sun., 28 Apr. 0.0359 0.0319 0.0340
15:01-16:00, Sun., 28 Apr. 0.0360 0.0314 0.0340
14:01-15:00, Sun., 28 Apr. 0.0362 0.0325 0.0342
13:01-14:00, Sun., 28 Apr. 0.0362 0.0314 0.0340
12:01-13:00, Sun., 28 Apr. 0.0370 0.0319 0.0341
11:01-12:00, Sun., 28 Apr. 0.0370 0.0324 0.0343
10:01-11:00, Sun., 28 Apr. 0.0364 0.0321 0.0344
09:01-10:00, Sun., 28 Apr. 0.0370 0.0327 0.0342
08:01-09:00, Sun., 28 Apr. 0.0367 0.0326 0.0343
07:01-08:00, Sun., 28 Apr. 0.0363 0.0325 0.0344
06:01-07:00, Sun., 28 Apr. 0.0366 0.0321 0.0343
05:01-06:00, Sun., 28 Apr. 0.0367 0.0319 0.0342
04:01-05:00, Sun., 28 Apr. 0.0366 0.0322 0.0344
03:01-04:00, Sun., 28 Apr. 0.0368 0.0320 0.0343
02:01-03:00, Sun., 28 Apr. 0.0368 0.0321 0.0343
01:01-02:00, Sun., 28 Apr. 0.0370 0.0316 0.0343
00:01-01:00, Sun., 28 Apr. 0.0372 0.0313 0.0341
23:01-24:00, Sat., 27 Apr. 0.0360 0.0324 0.0343
22:01-23:00, Sat., 27 Apr. 0.0364 0.0324 0.0343
21:01-22:00, Sat., 27 Apr. 0.0360 0.0324 0.0343
20:01-21:00, Sat., 27 Apr. 0.0363 0.0323 0.0343
19:01-20:00, Sat., 27 Apr. 0.0367 0.0326 0.0343
18:01-19:00, Sat., 27 Apr. 0.0361 0.0323 0.0342
17:01-18:00, Sat., 27 Apr. 0.0364 0.0312 0.0341
16:01-17:00, Sat., 27 Apr. 0.0376 0.0330 0.0348
15:01-16:00, Sat., 27 Apr. 0.0391 0.0339 0.0366
14:01-15:00, Sat., 27 Apr. 0.0382 0.0331 0.0357
13:01-14:00, Sat., 27 Apr. 0.0367 0.0328 0.0348
12:01-13:00, Sat., 27 Apr. 0.0369 0.0323 0.0345
11:01-12:00, Sat., 27 Apr. 0.0366 0.0311 0.0342
10:01-11:00, Sat., 27 Apr. 0.0380 0.0324 0.0344
09:01-10:00, Sat., 27 Apr. 0.0366 0.0326 0.0342
08:01-09:00, Sat., 27 Apr. 0.0366 0.0324 0.0346
07:01-08:00, Sat., 27 Apr. 0.0378 0.0331 0.0355
06:01-07:00, Sat., 27 Apr. 0.0418 0.0350 0.0378
05:01-06:00, Sat., 27 Apr. 0.0426 0.0379 0.0401
04:01-05:00, Sat., 27 Apr. 0.0438 0.0383 0.0411
03:01-04:00, Sat., 27 Apr. 0.0452 0.0397 0.0424
02:01-03:00, Sat., 27 Apr. 0.0441 0.0379 0.0408
01:01-02:00, Sat., 27 Apr. 0.0394 0.0324 0.0356
00:01-01:00, Sat., 27 Apr. 0.0373 0.0332 0.0349
23:01-24:00, Fri., 26 Apr. 0.0377 0.0326 0.0354
22:01-23:00, Fri., 26 Apr. 0.0361 0.0326 0.0345
21:01-22:00, Fri., 26 Apr. 0.0381 0.0326 0.0347
20:01-21:00, Fri., 26 Apr. 0.0363 0.0331 0.0350
19:01-20:00, Fri., 26 Apr. 0.0368 0.0330 0.0349
18:01-19:00, Fri., 26 Apr. 0.0370 0.0326 0.0348
17:01-18:00, Fri., 26 Apr. 0.0382 0.0331 0.0351
16:01-17:00, Fri., 26 Apr. 0.0363 0.0320 0.0345
15:01-16:00, Fri., 26 Apr. 0.0376 0.0337 0.0348
14:01-15:00, Fri., 26 Apr. 0.0369 0.0319 0.0346
13:01-14:00, Fri., 26 Apr. 0.0367 0.0329 0.0346
12:01-13:00, Fri., 26 Apr. 0.0389 0.0337 0.0360
11:01-12:00, Fri., 26 Apr. 0.0437 0.0344 0.0390
10:01-11:00, Fri., 26 Apr. 0.0439 0.0349 0.0397
09:01-10:00, Fri., 26 Apr. 0.0390 0.0345 0.0364
08:01-09:00, Fri., 26 Apr. 0.0370 0.0327 0.0351
07:01-08:00, Fri., 26 Apr. 0.0374 0.0331 0.0352
06:01-07:00, Fri., 26 Apr. 0.0376 0.0330 0.0354
05:01-06:00, Fri., 26 Apr. 0.0369 0.0330 0.0350
04:01-05:00, Fri., 26 Apr. 0.0371 0.0328 0.0350
03:01-04:00, Fri., 26 Apr. 0.0375 0.0324 0.0351
02:01-03:00, Fri., 26 Apr. 0.0376 0.0326 0.0350
01:01-02:00, Fri., 26 Apr. 0.0380 0.0320 0.0351
00:01-01:00, Fri., 26 Apr. 0.0373 0.0325 0.0346
23:01-24:00, Thu., 25 Apr. 0.0368 0.0325 0.0346
22:01-23:00, Thu., 25 Apr. 0.0364 0.0324 0.0346
21:01-22:00, Thu., 25 Apr. 0.0370 0.0329 0.0346
20:01-21:00, Thu., 25 Apr. 0.0361 0.0325 0.0344
19:01-20:00, Thu., 25 Apr. 0.0364 0.0323 0.0345
18:01-19:00, Thu., 25 Apr. 0.0361 0.0324 0.0342
17:01-18:00, Thu., 25 Apr. 0.0373 0.0330 0.0345
16:01-17:00, Thu., 25 Apr. 0.0368 0.0324 0.0345
15:01-16:00, Thu., 25 Apr. 0.0366 0.0321 0.0345
14:01-15:00, Thu., 25 Apr. 0.0367 0.0323 0.0342
13:01-14:00, Thu., 25 Apr. 0.0367 0.0328 0.0344
12:01-13:00, Thu., 25 Apr. 0.0369 0.0321 0.0344
11:01-12:00, Thu., 25 Apr. 0.0369 0.0320 0.0346
10:01-11:00, Thu., 25 Apr. 0.0373 0.0326 0.0346
09:01-10:00, Thu., 25 Apr. 0.0365 0.0325 0.0344
08:01-09:00, Thu., 25 Apr. 0.0360 0.0318 0.0343
07:01-08:00, Thu., 25 Apr. 0.0365 0.0327 0.0346
06:01-07:00, Thu., 25 Apr. 0.0372 0.0331 0.0349
05:01-06:00, Thu., 25 Apr. 0.0401 0.0339 0.0368
04:01-05:00, Thu., 25 Apr. 0.0432 0.0350 0.0395
03:01-04:00, Thu., 25 Apr. 0.0421 0.0369 0.0388
02:01-03:00, Thu., 25 Apr. 0.0401 0.0362 0.0380
01:01-02:00, Thu., 25 Apr. 0.0389 0.0355 0.0373
00:01-01:00, Thu., 25 Apr. 0.0393 0.0348 0.0374
23:01-24:00, Wed., 24 Apr. 0.0395 0.0350 0.0375
22:01-23:00, Wed., 24 Apr. 0.0390 0.0342 0.0373
21:01-22:00, Wed., 24 Apr. 0.0367 0.0324 0.0349
20:01-21:00, Wed., 24 Apr. 0.0366 0.0321 0.0346
19:01-20:00, Wed., 24 Apr. 0.0385 0.0327 0.0350
18:01-19:00, Wed., 24 Apr. 0.0383 0.0323 0.0348
17:01-18:00, Wed., 24 Apr. 0.0372 0.0332 0.0351
16:01-17:00, Wed., 24 Apr. 0.0377 0.0332 0.0348
15:01-16:00, Wed., 24 Apr. 0.0371 0.0321 0.0345
14:01-15:00, Wed., 24 Apr. 0.0373 0.0322 0.0351
13:01-14:00, Wed., 24 Apr. 0.0374 0.0328 0.0356
12:01-13:00, Wed., 24 Apr. 0.0382 0.0338 0.0360
11:01-12:00, Wed., 24 Apr. 0.0386 0.0333 0.0358
10:01-11:00, Wed., 24 Apr. 0.0374 0.0334 0.0351
09:01-10:00, Wed., 24 Apr. 0.0366 0.0329 0.0344
08:01-09:00, Wed., 24 Apr. 0.0367 0.0327 0.0347
07:01-08:00, Wed., 24 Apr. 0.0373 0.0327 0.0346
06:01-07:00, Wed., 24 Apr. 0.0366 0.0325 0.0347
05:01-06:00, Wed., 24 Apr. 0.0366 0.0332 0.0346
04:01-05:00, Wed., 24 Apr. 0.0383 0.0326 0.0348
03:01-04:00, Wed., 24 Apr. 0.0375 0.0332 0.0349
02:01-03:00, Wed., 24 Apr. 0.0379 0.0329 0.0350
01:01-02:00, Wed., 24 Apr. 0.0373 0.0322 0.0349
00:01-01:00, Wed., 24 Apr. 0.0374 0.0330 0.0348
23:01-24:00, Tue., 23 Apr. 0.0365 0.0332 0.0348
22:01-23:00, Tue., 23 Apr. 0.0379 0.0326 0.0346
21:01-22:00, Tue., 23 Apr. 0.0373 0.0326 0.0350
20:01-21:00, Tue., 23 Apr. 0.0368 0.0327 0.0347
19:01-20:00, Tue., 23 Apr. 0.0370 0.0328 0.0347
18:01-19:00, Tue., 23 Apr. 0.0374 0.0327 0.0348
17:01-18:00, Tue., 23 Apr. 0.0371 0.0323 0.0347
16:01-17:00, Tue., 23 Apr. 0.0367 0.0330 0.0347
15:01-16:00, Tue., 23 Apr. 0.0372 0.0326 0.0348
14:01-15:00, Tue., 23 Apr. 0.0371 0.0326 0.0347
13:01-14:00, Tue., 23 Apr. 0.0370 0.0322 0.0345
12:01-13:00, Tue., 23 Apr. 0.0366 0.0330 0.0346
11:01-12:00, Tue., 23 Apr. 0.0368 0.0329 0.0347
10:01-11:00, Tue., 23 Apr. 0.0361 0.0323 0.0346
09:01-10:00, Tue., 23 Apr. 0.0361 0.0327 0.0345
08:01-09:00, Tue., 23 Apr. 0.0376 0.0327 0.0346
07:01-08:00, Tue., 23 Apr. 0.0365 0.0326 0.0347
06:01-07:00, Tue., 23 Apr. 0.0378 0.0314 0.0347
05:01-06:00, Tue., 23 Apr. 0.0378 0.0326 0.0348
04:01-05:00, Tue., 23 Apr. 0.0369 0.0331 0.0348
03:01-04:00, Tue., 23 Apr. 0.0363 0.0321 0.0346
02:01-03:00, Tue., 23 Apr. 0.0370 0.0323 0.0348
01:01-02:00, Tue., 23 Apr. 0.0365 0.0323 0.0347
00:01-01:00, Tue., 23 Apr. 0.0364 0.0326 0.0347
23:01-24:00, Mon., 22 Apr. 0.0373 0.0321 0.0348
22:01-23:00, Mon., 22 Apr. 0.0372 0.0328 0.0346
21:01-22:00, Mon., 22 Apr. 0.0364 0.0334 0.0347
20:01-21:00, Mon., 22 Apr. 0.0366 0.0332 0.0350
19:01-20:00, Mon., 22 Apr. 0.0367 0.0324 0.0344
18:01-19:00, Mon., 22 Apr. 0.0366 0.0316 0.0348
17:01-18:00, Mon., 22 Apr. 0.0363 0.0325 0.0345
16:01-17:00, Mon., 22 Apr. 0.0368 0.0326 0.0347
15:01-16:00, Mon., 22 Apr. 0.0364 0.0329 0.0347
14:01-15:00, Mon., 22 Apr. 0.0375 0.0327 0.0348
13:01-14:00, Mon., 22 Apr. 0.0363 0.0329 0.0346
12:01-13:00, Mon., 22 Apr. 0.0377 0.0328 0.0347
11:01-12:00, Mon., 22 Apr. 0.0373 0.0325 0.0346
10:01-11:00, Mon., 22 Apr. 0.0363 0.0322 0.0346
09:01-10:00, Mon., 22 Apr. 0.0370 0.0322 0.0346
08:01-09:00, Mon., 22 Apr. 0.0366 0.0320 0.0347
07:01-08:00, Mon., 22 Apr. 0.0372 0.0326 0.0349
06:01-07:00, Mon., 22 Apr. 0.0368 0.0323 0.0346
05:01-06:00, Mon., 22 Apr. 0.0373 0.0326 0.0347
04:01-05:00, Mon., 22 Apr. 0.0365 0.0331 0.0347
03:01-04:00, Mon., 22 Apr. 0.0366 0.0333 0.0348
02:01-03:00, Mon., 22 Apr. 0.0378 0.0332 0.0350
01:01-02:00, Mon., 22 Apr. 0.0371 0.0327 0.0350
00:01-01:00, Mon., 22 Apr. 0.0376 0.0323 0.0346