Measurement results by the hour (Koto) 19 Feb., 2024 - 25 Feb., 2024

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., 25 Feb. 0.0429 0.0384 0.0404
22:01-23:00, Sun., 25 Feb. 0.0417 0.0374 0.0392
21:01-22:00, Sun., 25 Feb. 0.0426 0.0380 0.0405
20:01-21:00, Sun., 25 Feb. 0.0431 0.0385 0.0403
19:01-20:00, Sun., 25 Feb. 0.0429 0.0373 0.0402
18:01-19:00, Sun., 25 Feb. 0.0421 0.0371 0.0400
17:01-18:00, Sun., 25 Feb. 0.0420 0.0374 0.0397
16:01-17:00, Sun., 25 Feb. 0.0426 0.0372 0.0403
15:01-16:00, Sun., 25 Feb. 0.0429 0.0376 0.0403
14:01-15:00, Sun., 25 Feb. 0.0420 0.0378 0.0398
13:01-14:00, Sun., 25 Feb. 0.0421 0.0378 0.0400
12:01-13:00, Sun., 25 Feb. 0.0422 0.0382 0.0399
11:01-12:00, Sun., 25 Feb. 0.0428 0.0374 0.0402
10:01-11:00, Sun., 25 Feb. 0.0430 0.0378 0.0406
09:01-10:00, Sun., 25 Feb. 0.0429 0.0364 0.0394
08:01-09:00, Sun., 25 Feb. 0.0402 0.0351 0.0373
07:01-08:00, Sun., 25 Feb. 0.0393 0.0353 0.0371
06:01-07:00, Sun., 25 Feb. 0.0391 0.0348 0.0372
05:01-06:00, Sun., 25 Feb. 0.0395 0.0343 0.0368
04:01-05:00, Sun., 25 Feb. 0.0398 0.0342 0.0368
03:01-04:00, Sun., 25 Feb. 0.0398 0.0345 0.0371
02:01-03:00, Sun., 25 Feb. 0.0391 0.0350 0.0371
01:01-02:00, Sun., 25 Feb. 0.0392 0.0345 0.0368
00:01-01:00, Sun., 25 Feb. 0.0389 0.0347 0.0367
23:01-24:00, Sat., 24 Feb. 0.0391 0.0350 0.0369
22:01-23:00, Sat., 24 Feb. 0.0389 0.0350 0.0368
21:01-22:00, Sat., 24 Feb. 0.0397 0.0349 0.0368
20:01-21:00, Sat., 24 Feb. 0.0389 0.0350 0.0369
19:01-20:00, Sat., 24 Feb. 0.0388 0.0350 0.0368
18:01-19:00, Sat., 24 Feb. 0.0388 0.0350 0.0370
17:01-18:00, Sat., 24 Feb. 0.0385 0.0343 0.0367
16:01-17:00, Sat., 24 Feb. 0.0384 0.0340 0.0369
15:01-16:00, Sat., 24 Feb. 0.0407 0.0341 0.0369
14:01-15:00, Sat., 24 Feb. 0.0392 0.0346 0.0370
13:01-14:00, Sat., 24 Feb. 0.0384 0.0354 0.0367
12:01-13:00, Sat., 24 Feb. 0.0389 0.0343 0.0368
11:01-12:00, Sat., 24 Feb. 0.0395 0.0350 0.0369
10:01-11:00, Sat., 24 Feb. 0.0388 0.0339 0.0367
09:01-10:00, Sat., 24 Feb. 0.0384 0.0351 0.0368
08:01-09:00, Sat., 24 Feb. 0.0396 0.0350 0.0369
07:01-08:00, Sat., 24 Feb. 0.0387 0.0338 0.0368
06:01-07:00, Sat., 24 Feb. 0.0389 0.0349 0.0370
05:01-06:00, Sat., 24 Feb. 0.0393 0.0346 0.0369
04:01-05:00, Sat., 24 Feb. 0.0393 0.0353 0.0368
03:01-04:00, Sat., 24 Feb. 0.0388 0.0343 0.0366
02:01-03:00, Sat., 24 Feb. 0.0393 0.0341 0.0368
01:01-02:00, Sat., 24 Feb. 0.0388 0.0346 0.0367
00:01-01:00, Sat., 24 Feb. 0.0389 0.0350 0.0370
23:01-24:00, Fri., 23 Feb. 0.0386 0.0350 0.0369
22:01-23:00, Fri., 23 Feb. 0.0384 0.0344 0.0368
21:01-22:00, Fri., 23 Feb. 0.0384 0.0336 0.0369
20:01-21:00, Fri., 23 Feb. 0.0396 0.0353 0.0376
19:01-20:00, Fri., 23 Feb. 0.0421 0.0359 0.0389
18:01-19:00, Fri., 23 Feb. 0.0437 0.0385 0.0411
17:01-18:00, Fri., 23 Feb. 0.0430 0.0386 0.0408
16:01-17:00, Fri., 23 Feb. 0.0442 0.0388 0.0413
15:01-16:00, Fri., 23 Feb. 0.0448 0.0404 0.0429
14:01-15:00, Fri., 23 Feb. 0.0452 0.0401 0.0426
13:01-14:00, Fri., 23 Feb. 0.0433 0.0369 0.0403
12:01-13:00, Fri., 23 Feb. 0.0403 0.0348 0.0384
11:01-12:00, Fri., 23 Feb. 0.0412 0.0363 0.0387
10:01-11:00, Fri., 23 Feb. 0.0411 0.0361 0.0388
09:01-10:00, Fri., 23 Feb. 0.0419 0.0368 0.0396
08:01-09:00, Fri., 23 Feb. 0.0427 0.0371 0.0395
07:01-08:00, Fri., 23 Feb. 0.0425 0.0378 0.0398
06:01-07:00, Fri., 23 Feb. 0.0436 0.0384 0.0416
05:01-06:00, Fri., 23 Feb. 0.0434 0.0390 0.0417
04:01-05:00, Fri., 23 Feb. 0.0449 0.0399 0.0425
03:01-04:00, Fri., 23 Feb. 0.0462 0.0413 0.0439
02:01-03:00, Fri., 23 Feb. 0.0456 0.0399 0.0431
01:01-02:00, Fri., 23 Feb. 0.0443 0.0384 0.0416
00:01-01:00, Fri., 23 Feb. 0.0413 0.0348 0.0381
23:01-24:00, Thu., 22 Feb. 0.0397 0.0347 0.0371
22:01-23:00, Thu., 22 Feb. 0.0400 0.0352 0.0377
21:01-22:00, Thu., 22 Feb. 0.0399 0.0358 0.0379
20:01-21:00, Thu., 22 Feb. 0.0413 0.0361 0.0394
19:01-20:00, Thu., 22 Feb. 0.0419 0.0378 0.0397
18:01-19:00, Thu., 22 Feb. 0.0424 0.0391 0.0407
17:01-18:00, Thu., 22 Feb. 0.0426 0.0374 0.0395
16:01-17:00, Thu., 22 Feb. 0.0402 0.0356 0.0377
15:01-16:00, Thu., 22 Feb. 0.0399 0.0354 0.0380
14:01-15:00, Thu., 22 Feb. 0.0411 0.0357 0.0385
13:01-14:00, Thu., 22 Feb. 0.0420 0.0368 0.0398
12:01-13:00, Thu., 22 Feb. 0.0443 0.0395 0.0423
11:01-12:00, Thu., 22 Feb. 0.0457 0.0397 0.0426
10:01-11:00, Thu., 22 Feb. 0.0430 0.0386 0.0405
09:01-10:00, Thu., 22 Feb. 0.0447 0.0399 0.0429
08:01-09:00, Thu., 22 Feb. 0.0457 0.0393 0.0423
07:01-08:00, Thu., 22 Feb. 0.0474 0.0405 0.0443
06:01-07:00, Thu., 22 Feb. 0.0433 0.0391 0.0410
05:01-06:00, Thu., 22 Feb. 0.0420 0.0373 0.0396
04:01-05:00, Thu., 22 Feb. 0.0407 0.0350 0.0382
03:01-04:00, Thu., 22 Feb. 0.0419 0.0368 0.0392
02:01-03:00, Thu., 22 Feb. 0.0428 0.0371 0.0393
01:01-02:00, Thu., 22 Feb. 0.0422 0.0369 0.0401
00:01-01:00, Thu., 22 Feb. 0.0429 0.0386 0.0408
23:01-24:00, Wed., 21 Feb. 0.0441 0.0383 0.0418
22:01-23:00, Wed., 21 Feb. 0.0420 0.0369 0.0393
21:01-22:00, Wed., 21 Feb. 0.0407 0.0365 0.0383
20:01-21:00, Wed., 21 Feb. 0.0413 0.0371 0.0391
19:01-20:00, Wed., 21 Feb. 0.0422 0.0370 0.0399
18:01-19:00, Wed., 21 Feb. 0.0426 0.0378 0.0398
17:01-18:00, Wed., 21 Feb. 0.0433 0.0378 0.0406
16:01-17:00, Wed., 21 Feb. 0.0454 0.0388 0.0418
15:01-16:00, Wed., 21 Feb. 0.0473 0.0419 0.0451
14:01-15:00, Wed., 21 Feb. 0.0449 0.0399 0.0422
13:01-14:00, Wed., 21 Feb. 0.0447 0.0394 0.0416
12:01-13:00, Wed., 21 Feb. 0.0430 0.0390 0.0414
11:01-12:00, Wed., 21 Feb. 0.0443 0.0388 0.0416
10:01-11:00, Wed., 21 Feb. 0.0424 0.0361 0.0393
09:01-10:00, Wed., 21 Feb. 0.0399 0.0360 0.0383
08:01-09:00, Wed., 21 Feb. 0.0409 0.0363 0.0386
07:01-08:00, Wed., 21 Feb. 0.0414 0.0371 0.0391
06:01-07:00, Wed., 21 Feb. 0.0402 0.0353 0.0376
05:01-06:00, Wed., 21 Feb. 0.0396 0.0359 0.0374
04:01-05:00, Wed., 21 Feb. 0.0400 0.0355 0.0373
03:01-04:00, Wed., 21 Feb. 0.0392 0.0347 0.0372
02:01-03:00, Wed., 21 Feb. 0.0398 0.0343 0.0373
01:01-02:00, Wed., 21 Feb. 0.0396 0.0361 0.0377
00:01-01:00, Wed., 21 Feb. 0.0404 0.0353 0.0380
23:01-24:00, Tue., 20 Feb. 0.0404 0.0357 0.0383
22:01-23:00, Tue., 20 Feb. 0.0398 0.0359 0.0378
21:01-22:00, Tue., 20 Feb. 0.0395 0.0353 0.0373
20:01-21:00, Tue., 20 Feb. 0.0398 0.0354 0.0372
19:01-20:00, Tue., 20 Feb. 0.0387 0.0345 0.0372
18:01-19:00, Tue., 20 Feb. 0.0394 0.0345 0.0372
17:01-18:00, Tue., 20 Feb. 0.0394 0.0349 0.0371
16:01-17:00, Tue., 20 Feb. 0.0395 0.0351 0.0372
15:01-16:00, Tue., 20 Feb. 0.0395 0.0349 0.0372
14:01-15:00, Tue., 20 Feb. 0.0389 0.0353 0.0371
13:01-14:00, Tue., 20 Feb. 0.0388 0.0351 0.0371
12:01-13:00, Tue., 20 Feb. 0.0387 0.0343 0.0369
11:01-12:00, Tue., 20 Feb. 0.0394 0.0349 0.0371
10:01-11:00, Tue., 20 Feb. 0.0388 0.0347 0.0371
09:01-10:00, Tue., 20 Feb. 0.0391 0.0345 0.0369
08:01-09:00, Tue., 20 Feb. 0.0391 0.0343 0.0370
07:01-08:00, Tue., 20 Feb. 0.0388 0.0346 0.0369
06:01-07:00, Tue., 20 Feb. 0.0390 0.0353 0.0368
05:01-06:00, Tue., 20 Feb. 0.0393 0.0357 0.0369
04:01-05:00, Tue., 20 Feb. 0.0395 0.0347 0.0373
03:01-04:00, Tue., 20 Feb. 0.0413 0.0364 0.0380
02:01-03:00, Tue., 20 Feb. 0.0402 0.0353 0.0377
01:01-02:00, Tue., 20 Feb. 0.0400 0.0347 0.0376
00:01-01:00, Tue., 20 Feb. 0.0398 0.0357 0.0380
23:01-24:00, Mon., 19 Feb. 0.0416 0.0365 0.0385
22:01-23:00, Mon., 19 Feb. 0.0421 0.0363 0.0395
21:01-22:00, Mon., 19 Feb. 0.0417 0.0363 0.0389
20:01-21:00, Mon., 19 Feb. 0.0396 0.0355 0.0375
19:01-20:00, Mon., 19 Feb. 0.0398 0.0354 0.0374
18:01-19:00, Mon., 19 Feb. 0.0395 0.0341 0.0370
17:01-18:00, Mon., 19 Feb. 0.0402 0.0355 0.0379
16:01-17:00, Mon., 19 Feb. 0.0418 0.0368 0.0393
15:01-16:00, Mon., 19 Feb. 0.0412 0.0377 0.0394
14:01-15:00, Mon., 19 Feb. 0.0405 0.0362 0.0382
13:01-14:00, Mon., 19 Feb. 0.0405 0.0357 0.0383
12:01-13:00, Mon., 19 Feb. 0.0408 0.0357 0.0384
11:01-12:00, Mon., 19 Feb. 0.0414 0.0363 0.0383
10:01-11:00, Mon., 19 Feb. 0.0408 0.0356 0.0375
09:01-10:00, Mon., 19 Feb. 0.0385 0.0349 0.0368
08:01-09:00, Mon., 19 Feb. 0.0393 0.0355 0.0372
07:01-08:00, Mon., 19 Feb. 0.0391 0.0347 0.0369
06:01-07:00, Mon., 19 Feb. 0.0390 0.0353 0.0373
05:01-06:00, Mon., 19 Feb. 0.0393 0.0343 0.0370
04:01-05:00, Mon., 19 Feb. 0.0390 0.0353 0.0373
03:01-04:00, Mon., 19 Feb. 0.0388 0.0351 0.0373
02:01-03:00, Mon., 19 Feb. 0.0397 0.0344 0.0374
01:01-02:00, Mon., 19 Feb. 0.0397 0.0345 0.0372
00:01-01:00, Mon., 19 Feb. 0.0392 0.0357 0.0373