Measurement results by the hour (Koto) 29 Mar., 2021 - 4 Apr., 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., 04 Apr. 0.0433 0.0384 0.0411
22:01-23:00, Sun., 04 Apr. 0.0431 0.0382 0.0407
21:01-22:00, Sun., 04 Apr. 0.0443 0.0381 0.0411
20:01-21:00, Sun., 04 Apr. 0.0426 0.0392 0.0410
19:01-20:00, Sun., 04 Apr. 0.0428 0.0365 0.0395
18:01-19:00, Sun., 04 Apr. 0.0405 0.0350 0.0376
17:01-18:00, Sun., 04 Apr. 0.0402 0.0355 0.0379
16:01-17:00, Sun., 04 Apr. 0.0413 0.0361 0.0389
15:01-16:00, Sun., 04 Apr. 0.0399 0.0350 0.0375
14:01-15:00, Sun., 04 Apr. 0.0396 0.0355 0.0374
13:01-14:00, Sun., 04 Apr. 0.0396 0.0359 0.0378
12:01-13:00, Sun., 04 Apr. 0.0398 0.0353 0.0377
11:01-12:00, Sun., 04 Apr. 0.0392 0.0357 0.0373
10:01-11:00, Sun., 04 Apr. 0.0395 0.0350 0.0373
09:01-10:00, Sun., 04 Apr. 0.0402 0.0355 0.0373
08:01-09:00, Sun., 04 Apr. 0.0393 0.0348 0.0373
07:01-08:00, Sun., 04 Apr. 0.0394 0.0352 0.0374
06:01-07:00, Sun., 04 Apr. 0.0399 0.0353 0.0373
05:01-06:00, Sun., 04 Apr. 0.0391 0.0357 0.0374
04:01-05:00, Sun., 04 Apr. 0.0392 0.0356 0.0372
03:01-04:00, Sun., 04 Apr. 0.0410 0.0354 0.0375
02:01-03:00, Sun., 04 Apr. 0.0390 0.0352 0.0373
01:01-02:00, Sun., 04 Apr. 0.0395 0.0350 0.0374
00:01-01:00, Sun., 04 Apr. 0.0396 0.0360 0.0374
23:01-24:00, Sat., 03 Apr. 0.0402 0.0349 0.0372
22:01-23:00, Sat., 03 Apr. 0.0396 0.0348 0.0374
21:01-22:00, Sat., 03 Apr. 0.0394 0.0346 0.0374
20:01-21:00, Sat., 03 Apr. 0.0401 0.0353 0.0374
19:01-20:00, Sat., 03 Apr. 0.0398 0.0356 0.0374
18:01-19:00, Sat., 03 Apr. 0.0403 0.0353 0.0372
17:01-18:00, Sat., 03 Apr. 0.0395 0.0357 0.0374
16:01-17:00, Sat., 03 Apr. 0.0399 0.0347 0.0373
15:01-16:00, Sat., 03 Apr. 0.0395 0.0356 0.0377
14:01-15:00, Sat., 03 Apr. 0.0395 0.0336 0.0372
13:01-14:00, Sat., 03 Apr. 0.0397 0.0353 0.0374
12:01-13:00, Sat., 03 Apr. 0.0395 0.0351 0.0373
11:01-12:00, Sat., 03 Apr. 0.0390 0.0354 0.0372
10:01-11:00, Sat., 03 Apr. 0.0394 0.0357 0.0374
09:01-10:00, Sat., 03 Apr. 0.0392 0.0356 0.0373
08:01-09:00, Sat., 03 Apr. 0.0390 0.0338 0.0373
07:01-08:00, Sat., 03 Apr. 0.0401 0.0353 0.0374
06:01-07:00, Sat., 03 Apr. 0.0404 0.0349 0.0375
05:01-06:00, Sat., 03 Apr. 0.0395 0.0349 0.0373
04:01-05:00, Sat., 03 Apr. 0.0388 0.0351 0.0374
03:01-04:00, Sat., 03 Apr. 0.0397 0.0350 0.0373
02:01-03:00, Sat., 03 Apr. 0.0398 0.0353 0.0376
01:01-02:00, Sat., 03 Apr. 0.0399 0.0351 0.0374
00:01-01:00, Sat., 03 Apr. 0.0392 0.0355 0.0373
23:01-24:00, Fri., 02 Apr. 0.0395 0.0350 0.0372
22:01-23:00, Fri., 02 Apr. 0.0398 0.0346 0.0373
21:01-22:00, Fri., 02 Apr. 0.0395 0.0357 0.0374
20:01-21:00, Fri., 02 Apr. 0.0396 0.0354 0.0374
19:01-20:00, Fri., 02 Apr. 0.0390 0.0348 0.0371
18:01-19:00, Fri., 02 Apr. 0.0392 0.0354 0.0373
17:01-18:00, Fri., 02 Apr. 0.0391 0.0349 0.0370
16:01-17:00, Fri., 02 Apr. 0.0393 0.0353 0.0374
15:01-16:00, Fri., 02 Apr. 0.0385 0.0351 0.0372
14:01-15:00, Fri., 02 Apr. 0.0398 0.0351 0.0373
13:01-14:00, Fri., 02 Apr. 0.0396 0.0350 0.0372
12:01-13:00, Fri., 02 Apr. 0.0406 0.0350 0.0372
11:01-12:00, Fri., 02 Apr. 0.0392 0.0350 0.0372
10:01-11:00, Fri., 02 Apr. 0.0396 0.0356 0.0373
09:01-10:00, Fri., 02 Apr. 0.0398 0.0350 0.0372
08:01-09:00, Fri., 02 Apr. 0.0395 0.0357 0.0374
07:01-08:00, Fri., 02 Apr. 0.0393 0.0340 0.0373
06:01-07:00, Fri., 02 Apr. 0.0400 0.0349 0.0375
05:01-06:00, Fri., 02 Apr. 0.0395 0.0348 0.0374
04:01-05:00, Fri., 02 Apr. 0.0392 0.0356 0.0374
03:01-04:00, Fri., 02 Apr. 0.0403 0.0350 0.0374
02:01-03:00, Fri., 02 Apr. 0.0392 0.0357 0.0375
01:01-02:00, Fri., 02 Apr. 0.0398 0.0359 0.0376
00:01-01:00, Fri., 02 Apr. 0.0391 0.0353 0.0371
23:01-24:00, Thu., 01 Apr. 0.0398 0.0357 0.0377
22:01-23:00, Thu., 01 Apr. 0.0395 0.0350 0.0373
21:01-22:00, Thu., 01 Apr. 0.0399 0.0357 0.0374
20:01-21:00, Thu., 01 Apr. 0.0395 0.0347 0.0374
19:01-20:00, Thu., 01 Apr. 0.0393 0.0353 0.0375
18:01-19:00, Thu., 01 Apr. 0.0398 0.0354 0.0373
17:01-18:00, Thu., 01 Apr. 0.0395 0.0349 0.0375
16:01-17:00, Thu., 01 Apr. 0.0386 0.0350 0.0371
15:01-16:00, Thu., 01 Apr. 0.0391 0.0346 0.0373
14:01-15:00, Thu., 01 Apr. 0.0391 0.0350 0.0373
13:01-14:00, Thu., 01 Apr. 0.0398 0.0364 0.0376
12:01-13:00, Thu., 01 Apr. 0.0403 0.0350 0.0373
11:01-12:00, Thu., 01 Apr. 0.0392 0.0353 0.0375
10:01-11:00, Thu., 01 Apr. 0.0395 0.0346 0.0374
09:01-10:00, Thu., 01 Apr. 0.0398 0.0357 0.0374
08:01-09:00, Thu., 01 Apr. 0.0394 0.0353 0.0377
07:01-08:00, Thu., 01 Apr. 0.0398 0.0350 0.0374
06:01-07:00, Thu., 01 Apr. 0.0400 0.0357 0.0375
05:01-06:00, Thu., 01 Apr. 0.0397 0.0356 0.0374
04:01-05:00, Thu., 01 Apr. 0.0396 0.0356 0.0375
03:01-04:00, Thu., 01 Apr. 0.0398 0.0365 0.0380
02:01-03:00, Thu., 01 Apr. 0.0398 0.0349 0.0374
01:01-02:00, Thu., 01 Apr. 0.0391 0.0350 0.0374
00:01-01:00, Thu., 01 Apr. 0.0409 0.0352 0.0376
22:01-23:00, Wed., 31 Mar. 0.0393 0.0354 0.0374
21:01-22:00, Wed., 31 Mar. 0.0398 0.0351 0.0372
20:01-21:00, Wed., 31 Mar. 0.0395 0.0353 0.0374
19:01-20:00, Wed., 31 Mar. 0.0390 0.0350 0.0372
18:01-19:00, Wed., 31 Mar. 0.0401 0.0341 0.0374
17:01-18:00, Wed., 31 Mar. 0.0395 0.0353 0.0372
16:01-17:00, Wed., 31 Mar. 0.0398 0.0350 0.0374
15:01-16:00, Wed., 31 Mar. 0.0399 0.0350 0.0375
14:01-15:00, Wed., 31 Mar. 0.0398 0.0348 0.0377
13:01-14:00, Wed., 31 Mar. 0.0395 0.0359 0.0376
12:01-13:00, Wed., 31 Mar. 0.0395 0.0346 0.0376
11:01-12:00, Wed., 31 Mar. 0.0388 0.0353 0.0373
10:01-11:00, Wed., 31 Mar. 0.0398 0.0358 0.0373
09:01-10:00, Wed., 31 Mar. 0.0391 0.0340 0.0372
08:01-09:00, Wed., 31 Mar. 0.0398 0.0346 0.0372
07:01-08:00, Wed., 31 Mar. 0.0403 0.0353 0.0377
06:01-07:00, Wed., 31 Mar. 0.0403 0.0357 0.0377
05:01-06:00, Wed., 31 Mar. 0.0392 0.0349 0.0375
04:01-05:00, Wed., 31 Mar. 0.0398 0.0359 0.0378
03:01-04:00, Wed., 31 Mar. 0.0395 0.0354 0.0376
02:01-03:00, Wed., 31 Mar. 0.0395 0.0356 0.0375
01:01-02:00, Wed., 31 Mar. 0.0394 0.0343 0.0374
00:01-01:00, Wed., 31 Mar. 0.0388 0.0354 0.0373
22:01-23:00, Tue., 30 Mar. 0.0395 0.0351 0.0373
21:01-22:00, Tue., 30 Mar. 0.0399 0.0353 0.0373
20:01-21:00, Tue., 30 Mar. 0.0390 0.0347 0.0374
19:01-20:00, Tue., 30 Mar. 0.0392 0.0340 0.0373
18:01-19:00, Tue., 30 Mar. 0.0397 0.0351 0.0373
17:01-18:00, Tue., 30 Mar. 0.0390 0.0351 0.0370
16:01-17:00, Tue., 30 Mar. 0.0392 0.0350 0.0372
15:01-16:00, Tue., 30 Mar. 0.0402 0.0351 0.0374
14:01-15:00, Tue., 30 Mar. 0.0402 0.0354 0.0373
13:01-14:00, Tue., 30 Mar. 0.0399 0.0343 0.0371
12:01-13:00, Tue., 30 Mar. 0.0392 0.0347 0.0373
11:01-12:00, Tue., 30 Mar. 0.0400 0.0354 0.0373
10:01-11:00, Tue., 30 Mar. 0.0394 0.0349 0.0373
09:01-10:00, Tue., 30 Mar. 0.0402 0.0337 0.0373
08:01-09:00, Tue., 30 Mar. 0.0398 0.0354 0.0374
07:01-08:00, Tue., 30 Mar. 0.0392 0.0347 0.0375
06:01-07:00, Tue., 30 Mar. 0.0395 0.0350 0.0375
05:01-06:00, Tue., 30 Mar. 0.0387 0.0357 0.0372
04:01-05:00, Tue., 30 Mar. 0.0399 0.0355 0.0373
03:01-04:00, Tue., 30 Mar. 0.0395 0.0351 0.0373
02:01-03:00, Tue., 30 Mar. 0.0398 0.0350 0.0375
01:01-02:00, Tue., 30 Mar. 0.0403 0.0353 0.0374
00:01-01:00, Tue., 30 Mar. 0.0398 0.0350 0.0375
22:01-23:00, Mon., 29 Mar. 0.0390 0.0352 0.0372
21:01-22:00, Mon., 29 Mar. 0.0391 0.0347 0.0374
20:01-21:00, Mon., 29 Mar. 0.0398 0.0356 0.0374
19:01-20:00, Mon., 29 Mar. 0.0396 0.0351 0.0373
18:01-19:00, Mon., 29 Mar. 0.0402 0.0343 0.0370
17:01-18:00, Mon., 29 Mar. 0.0392 0.0356 0.0373
16:01-17:00, Mon., 29 Mar. 0.0391 0.0353 0.0371
15:01-16:00, Mon., 29 Mar. 0.0393 0.0338 0.0369
14:01-15:00, Mon., 29 Mar. 0.0396 0.0337 0.0368
13:01-14:00, Mon., 29 Mar. 0.0392 0.0347 0.0370
12:01-13:00, Mon., 29 Mar. 0.0398 0.0351 0.0370
11:01-12:00, Mon., 29 Mar. 0.0390 0.0344 0.0369
10:01-11:00, Mon., 29 Mar. 0.0388 0.0347 0.0368
09:01-10:00, Mon., 29 Mar. 0.0395 0.0350 0.0367
08:01-09:00, Mon., 29 Mar. 0.0391 0.0353 0.0368
07:01-08:00, Mon., 29 Mar. 0.0394 0.0347 0.0371
06:01-07:00, Mon., 29 Mar. 0.0392 0.0347 0.0370
05:01-06:00, Mon., 29 Mar. 0.0400 0.0353 0.0379
04:01-05:00, Mon., 29 Mar. 0.0440 0.0366 0.0403
03:01-04:00, Mon., 29 Mar. 0.0468 0.0416 0.0444
02:01-03:00, Mon., 29 Mar. 0.0453 0.0411 0.0434
01:01-02:00, Mon., 29 Mar. 0.0453 0.0404 0.0427
00:01-01:00, Mon., 29 Mar. 0.0439 0.0374 0.0411