Measurement results by the hour (Koto) 14 Mar., 2022 - 20 Mar., 2022

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., 20 Mar. 0.0393 0.0344 0.0371
22:01-23:00, Sun., 20 Mar. 0.0391 0.0341 0.0371
21:01-22:00, Sun., 20 Mar. 0.0391 0.0346 0.0369
20:01-21:00, Sun., 20 Mar. 0.0394 0.0352 0.0370
19:01-20:00, Sun., 20 Mar. 0.0393 0.0348 0.0370
18:01-19:00, Sun., 20 Mar. 0.0386 0.0342 0.0369
17:01-18:00, Sun., 20 Mar. 0.0387 0.0352 0.0368
16:01-17:00, Sun., 20 Mar. 0.0388 0.0347 0.0369
15:01-16:00, Sun., 20 Mar. 0.0395 0.0350 0.0369
14:01-15:00, Sun., 20 Mar. 0.0386 0.0347 0.0370
13:01-14:00, Sun., 20 Mar. 0.0401 0.0345 0.0367
12:01-13:00, Sun., 20 Mar. 0.0388 0.0348 0.0372
11:01-12:00, Sun., 20 Mar. 0.0393 0.0346 0.0369
10:01-11:00, Sun., 20 Mar. 0.0384 0.0347 0.0368
09:01-10:00, Sun., 20 Mar. 0.0397 0.0350 0.0368
08:01-09:00, Sun., 20 Mar. 0.0391 0.0347 0.0370
07:01-08:00, Sun., 20 Mar. 0.0391 0.0343 0.0370
06:01-07:00, Sun., 20 Mar. 0.0396 0.0347 0.0372
05:01-06:00, Sun., 20 Mar. 0.0391 0.0346 0.0370
04:01-05:00, Sun., 20 Mar. 0.0391 0.0350 0.0368
03:01-04:00, Sun., 20 Mar. 0.0389 0.0342 0.0369
02:01-03:00, Sun., 20 Mar. 0.0388 0.0350 0.0370
01:01-02:00, Sun., 20 Mar. 0.0391 0.0350 0.0369
00:01-01:00, Sun., 20 Mar. 0.0395 0.0346 0.0372
23:01-24:00, Sat., 19 Mar. 0.0406 0.0360 0.0382
22:01-23:00, Sat., 19 Mar. 0.0459 0.0376 0.0417
21:01-22:00, Sat., 19 Mar. 0.0550 0.0433 0.0487
20:01-21:00, Sat., 19 Mar. 0.0550 0.0488 0.0522
19:01-20:00, Sat., 19 Mar. 0.0540 0.0481 0.0514
18:01-19:00, Sat., 19 Mar. 0.0534 0.0467 0.0501
17:01-18:00, Sat., 19 Mar. 0.0484 0.0363 0.0419
16:01-17:00, Sat., 19 Mar. 0.0399 0.0354 0.0374
15:01-16:00, Sat., 19 Mar. 0.0393 0.0346 0.0373
14:01-15:00, Sat., 19 Mar. 0.0388 0.0352 0.0372
13:01-14:00, Sat., 19 Mar. 0.0395 0.0349 0.0371
12:01-13:00, Sat., 19 Mar. 0.0393 0.0347 0.0372
11:01-12:00, Sat., 19 Mar. 0.0393 0.0348 0.0373
10:01-11:00, Sat., 19 Mar. 0.0395 0.0347 0.0373
09:01-10:00, Sat., 19 Mar. 0.0391 0.0347 0.0371
08:01-09:00, Sat., 19 Mar. 0.0393 0.0351 0.0373
07:01-08:00, Sat., 19 Mar. 0.0397 0.0340 0.0374
06:01-07:00, Sat., 19 Mar. 0.0395 0.0350 0.0372
05:01-06:00, Sat., 19 Mar. 0.0402 0.0350 0.0373
04:01-05:00, Sat., 19 Mar. 0.0396 0.0354 0.0373
03:01-04:00, Sat., 19 Mar. 0.0393 0.0353 0.0373
02:01-03:00, Sat., 19 Mar. 0.0398 0.0356 0.0376
01:01-02:00, Sat., 19 Mar. 0.0419 0.0369 0.0390
00:01-01:00, Sat., 19 Mar. 0.0436 0.0387 0.0411
23:01-24:00, Fri., 18 Mar. 0.0484 0.0424 0.0444
22:01-23:00, Fri., 18 Mar. 0.0488 0.0447 0.0465
21:01-22:00, Fri., 18 Mar. 0.0484 0.0425 0.0453
20:01-21:00, Fri., 18 Mar. 0.0471 0.0433 0.0452
19:01-20:00, Fri., 18 Mar. 0.0474 0.0421 0.0447
18:01-19:00, Fri., 18 Mar. 0.0453 0.0391 0.0428
17:01-18:00, Fri., 18 Mar. 0.0443 0.0378 0.0406
16:01-17:00, Fri., 18 Mar. 0.0427 0.0374 0.0404
15:01-16:00, Fri., 18 Mar. 0.0424 0.0379 0.0403
14:01-15:00, Fri., 18 Mar. 0.0416 0.0369 0.0390
13:01-14:00, Fri., 18 Mar. 0.0419 0.0371 0.0394
12:01-13:00, Fri., 18 Mar. 0.0436 0.0350 0.0395
11:01-12:00, Fri., 18 Mar. 0.0391 0.0352 0.0373
10:01-11:00, Fri., 18 Mar. 0.0396 0.0355 0.0374
09:01-10:00, Fri., 18 Mar. 0.0389 0.0355 0.0374
08:01-09:00, Fri., 18 Mar. 0.0394 0.0351 0.0372
07:01-08:00, Fri., 18 Mar. 0.0395 0.0353 0.0374
06:01-07:00, Fri., 18 Mar. 0.0394 0.0353 0.0375
05:01-06:00, Fri., 18 Mar. 0.0402 0.0360 0.0379
04:01-05:00, Fri., 18 Mar. 0.0409 0.0358 0.0383
03:01-04:00, Fri., 18 Mar. 0.0430 0.0367 0.0397
02:01-03:00, Fri., 18 Mar. 0.0457 0.0400 0.0432
01:01-02:00, Fri., 18 Mar. 0.0474 0.0427 0.0451
00:01-01:00, Fri., 18 Mar. 0.0471 0.0405 0.0444
23:01-24:00, Thu., 17 Mar. 0.0441 0.0361 0.0395
22:01-23:00, Thu., 17 Mar. 0.0414 0.0365 0.0386
21:01-22:00, Thu., 17 Mar. 0.0408 0.0356 0.0378
20:01-21:00, Thu., 17 Mar. 0.0398 0.0354 0.0378
19:01-20:00, Thu., 17 Mar. 0.0401 0.0359 0.0378
18:01-19:00, Thu., 17 Mar. 0.0396 0.0359 0.0375
17:01-18:00, Thu., 17 Mar. 0.0388 0.0349 0.0375
16:01-17:00, Thu., 17 Mar. 0.0398 0.0361 0.0379
15:01-16:00, Thu., 17 Mar. 0.0407 0.0357 0.0378
14:01-15:00, Thu., 17 Mar. 0.0405 0.0357 0.0380
13:01-14:00, Thu., 17 Mar. 0.0405 0.0356 0.0383
12:01-13:00, Thu., 17 Mar. 0.0410 0.0362 0.0386
11:01-12:00, Thu., 17 Mar. 0.0398 0.0354 0.0377
10:01-11:00, Thu., 17 Mar. 0.0417 0.0353 0.0380
09:01-10:00, Thu., 17 Mar. 0.0405 0.0352 0.0373
08:01-09:00, Thu., 17 Mar. 0.0419 0.0363 0.0387
07:01-08:00, Thu., 17 Mar. 0.0395 0.0316 0.0373
06:01-07:00, Thu., 17 Mar. 0.0398 0.0351 0.0377
05:01-06:00, Thu., 17 Mar. 0.0398 0.0356 0.0377
04:01-05:00, Thu., 17 Mar. 0.0392 0.0355 0.0375
03:01-04:00, Thu., 17 Mar. 0.0403 0.0354 0.0375
02:01-03:00, Thu., 17 Mar. 0.0397 0.0343 0.0376
01:01-02:00, Thu., 17 Mar. 0.0405 0.0353 0.0377
00:01-01:00, Thu., 17 Mar. 0.0391 0.0354 0.0373
23:01-24:00, Wed., 16 Mar. 0.0395 0.0353 0.0375
22:01-23:00, Wed., 16 Mar. 0.0398 0.0356 0.0375
21:01-22:00, Wed., 16 Mar. 0.0392 0.0345 0.0372
20:01-21:00, Wed., 16 Mar. 0.0395 0.0356 0.0375
19:01-20:00, Wed., 16 Mar. 0.0404 0.0359 0.0375
18:01-19:00, Wed., 16 Mar. 0.0391 0.0352 0.0373
17:01-18:00, Wed., 16 Mar. 0.0396 0.0349 0.0374
16:01-17:00, Wed., 16 Mar. 0.0395 0.0347 0.0373
15:01-16:00, Wed., 16 Mar. 0.0395 0.0357 0.0373
14:01-15:00, Wed., 16 Mar. 0.0398 0.0353 0.0375
13:01-14:00, Wed., 16 Mar. 0.0398 0.0360 0.0375
12:01-13:00, Wed., 16 Mar. 0.0406 0.0347 0.0377
11:01-12:00, Wed., 16 Mar. 0.0400 0.0353 0.0376
10:01-11:00, Wed., 16 Mar. 0.0405 0.0347 0.0374
09:01-10:00, Wed., 16 Mar. 0.0404 0.0357 0.0377
08:01-09:00, Wed., 16 Mar. 0.0397 0.0347 0.0375
07:01-08:00, Wed., 16 Mar. 0.0398 0.0350 0.0376
06:01-07:00, Wed., 16 Mar. 0.0397 0.0357 0.0377
05:01-06:00, Wed., 16 Mar. 0.0401 0.0355 0.0376
04:01-05:00, Wed., 16 Mar. 0.0398 0.0353 0.0376
03:01-04:00, Wed., 16 Mar. 0.0408 0.0350 0.0375
02:01-03:00, Wed., 16 Mar. 0.0395 0.0350 0.0373
01:01-02:00, Wed., 16 Mar. 0.0399 0.0358 0.0377
00:01-01:00, Wed., 16 Mar. 0.0393 0.0349 0.0374
23:01-24:00, Tue., 15 Mar. 0.0402 0.0355 0.0373
22:01-23:00, Tue., 15 Mar. 0.0399 0.0357 0.0376
21:01-22:00, Tue., 15 Mar. 0.0389 0.0356 0.0375
20:01-21:00, Tue., 15 Mar. 0.0393 0.0351 0.0377
19:01-20:00, Tue., 15 Mar. 0.0395 0.0357 0.0377
18:01-19:00, Tue., 15 Mar. 0.0394 0.0360 0.0376
17:01-18:00, Tue., 15 Mar. 0.0393 0.0354 0.0375
16:01-17:00, Tue., 15 Mar. 0.0400 0.0352 0.0375
15:01-16:00, Tue., 15 Mar. 0.0388 0.0349 0.0373
14:01-15:00, Tue., 15 Mar. 0.0388 0.0357 0.0377
13:01-14:00, Tue., 15 Mar. 0.0409 0.0345 0.0375
12:01-13:00, Tue., 15 Mar. 0.0395 0.0353 0.0373
11:01-12:00, Tue., 15 Mar. 0.0398 0.0350 0.0372
10:01-11:00, Tue., 15 Mar. 0.0394 0.0350 0.0372
09:01-10:00, Tue., 15 Mar. 0.0397 0.0352 0.0373
08:01-09:00, Tue., 15 Mar. 0.0395 0.0358 0.0376
07:01-08:00, Tue., 15 Mar. 0.0405 0.0357 0.0379
06:01-07:00, Tue., 15 Mar. 0.0409 0.0359 0.0384
05:01-06:00, Tue., 15 Mar. 0.0407 0.0345 0.0381
04:01-05:00, Tue., 15 Mar. 0.0396 0.0362 0.0376
03:01-04:00, Tue., 15 Mar. 0.0402 0.0353 0.0378
02:01-03:00, Tue., 15 Mar. 0.0396 0.0354 0.0374
01:01-02:00, Tue., 15 Mar. 0.0395 0.0350 0.0372
00:01-01:00, Tue., 15 Mar. 0.0396 0.0352 0.0374
23:01-24:00, Mon., 14 Mar. 0.0395 0.0350 0.0373
22:01-23:00, Mon., 14 Mar. 0.0396 0.0342 0.0373
21:01-22:00, Mon., 14 Mar. 0.0398 0.0342 0.0371
20:01-21:00, Mon., 14 Mar. 0.0395 0.0353 0.0374
19:01-20:00, Mon., 14 Mar. 0.0400 0.0358 0.0374
18:01-19:00, Mon., 14 Mar. 0.0398 0.0350 0.0374
17:01-18:00, Mon., 14 Mar. 0.0391 0.0354 0.0372
16:01-17:00, Mon., 14 Mar. 0.0396 0.0354 0.0373
15:01-16:00, Mon., 14 Mar. 0.0396 0.0355 0.0373
14:01-15:00, Mon., 14 Mar. 0.0392 0.0357 0.0372
13:01-14:00, Mon., 14 Mar. 0.0396 0.0350 0.0372
12:01-13:00, Mon., 14 Mar. 0.0400 0.0357 0.0372
11:01-12:00, Mon., 14 Mar. 0.0384 0.0346 0.0368
10:01-11:00, Mon., 14 Mar. 0.0393 0.0343 0.0368
09:01-10:00, Mon., 14 Mar. 0.0392 0.0344 0.0369
08:01-09:00, Mon., 14 Mar. 0.0410 0.0350 0.0377
07:01-08:00, Mon., 14 Mar. 0.0426 0.0371 0.0397
06:01-07:00, Mon., 14 Mar. 0.0433 0.0384 0.0410
05:01-06:00, Mon., 14 Mar. 0.0405 0.0356 0.0379
04:01-05:00, Mon., 14 Mar. 0.0396 0.0353 0.0376
03:01-04:00, Mon., 14 Mar. 0.0400 0.0353 0.0377
02:01-03:00, Mon., 14 Mar. 0.0401 0.0353 0.0376
01:01-02:00, Mon., 14 Mar. 0.0402 0.0357 0.0376
00:01-01:00, Mon., 14 Mar. 0.0389 0.0358 0.0376