Measurement results by the hour (Koto) 13 Mar., 2023 - 19 Mar., 2023

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., 19 Mar. 0.0388 0.0347 0.0369
22:01-23:00, Sun., 19 Mar. 0.0392 0.0347 0.0369
21:01-22:00, Sun., 19 Mar. 0.0405 0.0347 0.0370
20:01-21:00, Sun., 19 Mar. 0.0398 0.0351 0.0370
19:01-20:00, Sun., 19 Mar. 0.0395 0.0353 0.0371
18:01-19:00, Sun., 19 Mar. 0.0388 0.0353 0.0370
17:01-18:00, Sun., 19 Mar. 0.0386 0.0344 0.0369
16:01-17:00, Sun., 19 Mar. 0.0397 0.0348 0.0368
15:01-16:00, Sun., 19 Mar. 0.0393 0.0350 0.0370
14:01-15:00, Sun., 19 Mar. 0.0390 0.0349 0.0372
13:01-14:00, Sun., 19 Mar. 0.0387 0.0350 0.0368
12:01-13:00, Sun., 19 Mar. 0.0393 0.0350 0.0371
11:01-12:00, Sun., 19 Mar. 0.0398 0.0352 0.0370
10:01-11:00, Sun., 19 Mar. 0.0393 0.0350 0.0370
09:01-10:00, Sun., 19 Mar. 0.0391 0.0348 0.0371
08:01-09:00, Sun., 19 Mar. 0.0385 0.0348 0.0370
07:01-08:00, Sun., 19 Mar. 0.0397 0.0346 0.0368
06:01-07:00, Sun., 19 Mar. 0.0396 0.0352 0.0373
05:01-06:00, Sun., 19 Mar. 0.0388 0.0352 0.0370
04:01-05:00, Sun., 19 Mar. 0.0391 0.0347 0.0371
03:01-04:00, Sun., 19 Mar. 0.0391 0.0349 0.0370
02:01-03:00, Sun., 19 Mar. 0.0393 0.0350 0.0370
01:01-02:00, Sun., 19 Mar. 0.0384 0.0350 0.0370
00:01-01:00, Sun., 19 Mar. 0.0392 0.0345 0.0372
23:01-24:00, Sat., 18 Mar. 0.0390 0.0338 0.0370
22:01-23:00, Sat., 18 Mar. 0.0393 0.0347 0.0369
21:01-22:00, Sat., 18 Mar. 0.0388 0.0346 0.0369
20:01-21:00, Sat., 18 Mar. 0.0391 0.0347 0.0371
19:01-20:00, Sat., 18 Mar. 0.0401 0.0351 0.0374
18:01-19:00, Sat., 18 Mar. 0.0415 0.0364 0.0389
17:01-18:00, Sat., 18 Mar. 0.0438 0.0381 0.0408
16:01-17:00, Sat., 18 Mar. 0.0463 0.0393 0.0432
15:01-16:00, Sat., 18 Mar. 0.0478 0.0426 0.0453
14:01-15:00, Sat., 18 Mar. 0.0468 0.0402 0.0439
13:01-14:00, Sat., 18 Mar. 0.0457 0.0394 0.0425
12:01-13:00, Sat., 18 Mar. 0.0440 0.0370 0.0403
11:01-12:00, Sat., 18 Mar. 0.0425 0.0362 0.0391
10:01-11:00, Sat., 18 Mar. 0.0443 0.0382 0.0409
09:01-10:00, Sat., 18 Mar. 0.0461 0.0399 0.0436
08:01-09:00, Sat., 18 Mar. 0.0460 0.0425 0.0446
07:01-08:00, Sat., 18 Mar. 0.0501 0.0435 0.0457
06:01-07:00, Sat., 18 Mar. 0.0507 0.0445 0.0470
05:01-06:00, Sat., 18 Mar. 0.0484 0.0428 0.0453
04:01-05:00, Sat., 18 Mar. 0.0464 0.0419 0.0442
03:01-04:00, Sat., 18 Mar. 0.0447 0.0398 0.0422
02:01-03:00, Sat., 18 Mar. 0.0453 0.0398 0.0423
01:01-02:00, Sat., 18 Mar. 0.0457 0.0398 0.0431
00:01-01:00, Sat., 18 Mar. 0.0427 0.0375 0.0402
23:01-24:00, Fri., 17 Mar. 0.0407 0.0367 0.0390
22:01-23:00, Fri., 17 Mar. 0.0410 0.0355 0.0381
21:01-22:00, Fri., 17 Mar. 0.0400 0.0351 0.0375
20:01-21:00, Fri., 17 Mar. 0.0398 0.0351 0.0376
19:01-20:00, Fri., 17 Mar. 0.0398 0.0350 0.0375
18:01-19:00, Fri., 17 Mar. 0.0396 0.0357 0.0377
17:01-18:00, Fri., 17 Mar. 0.0405 0.0355 0.0374
16:01-17:00, Fri., 17 Mar. 0.0398 0.0348 0.0376
15:01-16:00, Fri., 17 Mar. 0.0395 0.0353 0.0374
14:01-15:00, Fri., 17 Mar. 0.0398 0.0353 0.0375
13:01-14:00, Fri., 17 Mar. 0.0393 0.0350 0.0372
12:01-13:00, Fri., 17 Mar. 0.0401 0.0350 0.0374
11:01-12:00, Fri., 17 Mar. 0.0397 0.0347 0.0374
10:01-11:00, Fri., 17 Mar. 0.0407 0.0347 0.0376
09:01-10:00, Fri., 17 Mar. 0.0392 0.0349 0.0375
08:01-09:00, Fri., 17 Mar. 0.0396 0.0348 0.0375
07:01-08:00, Fri., 17 Mar. 0.0392 0.0360 0.0377
06:01-07:00, Fri., 17 Mar. 0.0398 0.0359 0.0380
05:01-06:00, Fri., 17 Mar. 0.0401 0.0353 0.0379
04:01-05:00, Fri., 17 Mar. 0.0406 0.0350 0.0375
03:01-04:00, Fri., 17 Mar. 0.0404 0.0364 0.0379
02:01-03:00, Fri., 17 Mar. 0.0402 0.0361 0.0376
01:01-02:00, Fri., 17 Mar. 0.0398 0.0350 0.0376
00:01-01:00, Fri., 17 Mar. 0.0395 0.0347 0.0374
23:01-24:00, Thu., 16 Mar. 0.0400 0.0348 0.0375
22:01-23:00, Thu., 16 Mar. 0.0396 0.0354 0.0373
21:01-22:00, Thu., 16 Mar. 0.0396 0.0353 0.0372
20:01-21:00, Thu., 16 Mar. 0.0395 0.0356 0.0375
19:01-20:00, Thu., 16 Mar. 0.0388 0.0354 0.0373
18:01-19:00, Thu., 16 Mar. 0.0392 0.0350 0.0373
17:01-18:00, Thu., 16 Mar. 0.0394 0.0358 0.0373
16:01-17:00, Thu., 16 Mar. 0.0395 0.0346 0.0373
15:01-16:00, Thu., 16 Mar. 0.0400 0.0348 0.0375
14:01-15:00, Thu., 16 Mar. 0.0398 0.0351 0.0373
13:01-14:00, Thu., 16 Mar. 0.0394 0.0355 0.0375
12:01-13:00, Thu., 16 Mar. 0.0398 0.0351 0.0373
11:01-12:00, Thu., 16 Mar. 0.0398 0.0352 0.0374
10:01-11:00, Thu., 16 Mar. 0.0402 0.0352 0.0376
09:01-10:00, Thu., 16 Mar. 0.0398 0.0357 0.0377
08:01-09:00, Thu., 16 Mar. 0.0403 0.0359 0.0379
07:01-08:00, Thu., 16 Mar. 0.0404 0.0354 0.0379
06:01-07:00, Thu., 16 Mar. 0.0402 0.0353 0.0374
05:01-06:00, Thu., 16 Mar. 0.0396 0.0361 0.0377
04:01-05:00, Thu., 16 Mar. 0.0392 0.0352 0.0375
03:01-04:00, Thu., 16 Mar. 0.0394 0.0349 0.0374
02:01-03:00, Thu., 16 Mar. 0.0388 0.0346 0.0373
01:01-02:00, Thu., 16 Mar. 0.0391 0.0355 0.0375
00:01-01:00, Thu., 16 Mar. 0.0392 0.0360 0.0374
23:01-24:00, Wed., 15 Mar. 0.0394 0.0356 0.0375
22:01-23:00, Wed., 15 Mar. 0.0395 0.0347 0.0373
21:01-22:00, Wed., 15 Mar. 0.0406 0.0356 0.0374
20:01-21:00, Wed., 15 Mar. 0.0392 0.0343 0.0373
19:01-20:00, Wed., 15 Mar. 0.0403 0.0356 0.0374
18:01-19:00, Wed., 15 Mar. 0.0388 0.0345 0.0372
17:01-18:00, Wed., 15 Mar. 0.0393 0.0354 0.0372
16:01-17:00, Wed., 15 Mar. 0.0398 0.0357 0.0376
15:01-16:00, Wed., 15 Mar. 0.0400 0.0353 0.0373
14:01-15:00, Wed., 15 Mar. 0.0392 0.0354 0.0372
13:01-14:00, Wed., 15 Mar. 0.0390 0.0349 0.0371
12:01-13:00, Wed., 15 Mar. 0.0396 0.0353 0.0372
11:01-12:00, Wed., 15 Mar. 0.0403 0.0355 0.0374
10:01-11:00, Wed., 15 Mar. 0.0396 0.0353 0.0372
09:01-10:00, Wed., 15 Mar. 0.0395 0.0352 0.0373
08:01-09:00, Wed., 15 Mar. 0.0394 0.0355 0.0376
07:01-08:00, Wed., 15 Mar. 0.0408 0.0355 0.0374
06:01-07:00, Wed., 15 Mar. 0.0395 0.0319 0.0374
05:01-06:00, Wed., 15 Mar. 0.0401 0.0350 0.0377
04:01-05:00, Wed., 15 Mar. 0.0395 0.0343 0.0374
03:01-04:00, Wed., 15 Mar. 0.0396 0.0350 0.0372
02:01-03:00, Wed., 15 Mar. 0.0398 0.0353 0.0375
01:01-02:00, Wed., 15 Mar. 0.0395 0.0352 0.0374
00:01-01:00, Wed., 15 Mar. 0.0399 0.0345 0.0372
23:01-24:00, Tue., 14 Mar. 0.0391 0.0360 0.0374
22:01-23:00, Tue., 14 Mar. 0.0400 0.0347 0.0373
21:01-22:00, Tue., 14 Mar. 0.0389 0.0353 0.0373
20:01-21:00, Tue., 14 Mar. 0.0396 0.0351 0.0373
19:01-20:00, Tue., 14 Mar. 0.0400 0.0350 0.0374
18:01-19:00, Tue., 14 Mar. 0.0394 0.0350 0.0374
17:01-18:00, Tue., 14 Mar. 0.0386 0.0352 0.0370
16:01-17:00, Tue., 14 Mar. 0.0398 0.0345 0.0374
15:01-16:00, Tue., 14 Mar. 0.0403 0.0351 0.0374
14:01-15:00, Tue., 14 Mar. 0.0397 0.0353 0.0374
13:01-14:00, Tue., 14 Mar. 0.0391 0.0351 0.0373
12:01-13:00, Tue., 14 Mar. 0.0395 0.0350 0.0372
11:01-12:00, Tue., 14 Mar. 0.0399 0.0354 0.0376
10:01-11:00, Tue., 14 Mar. 0.0394 0.0347 0.0373
09:01-10:00, Tue., 14 Mar. 0.0390 0.0352 0.0371
08:01-09:00, Tue., 14 Mar. 0.0391 0.0355 0.0375
07:01-08:00, Tue., 14 Mar. 0.0397 0.0359 0.0376
06:01-07:00, Tue., 14 Mar. 0.0397 0.0359 0.0376
05:01-06:00, Tue., 14 Mar. 0.0397 0.0350 0.0375
04:01-05:00, Tue., 14 Mar. 0.0392 0.0347 0.0375
03:01-04:00, Tue., 14 Mar. 0.0398 0.0361 0.0377
02:01-03:00, Tue., 14 Mar. 0.0395 0.0343 0.0373
01:01-02:00, Tue., 14 Mar. 0.0395 0.0353 0.0375
00:01-01:00, Tue., 14 Mar. 0.0395 0.0355 0.0376
23:01-24:00, Mon., 13 Mar. 0.0395 0.0353 0.0374
22:01-23:00, Mon., 13 Mar. 0.0398 0.0356 0.0376
21:01-22:00, Mon., 13 Mar. 0.0396 0.0355 0.0376
20:01-21:00, Mon., 13 Mar. 0.0404 0.0347 0.0375
19:01-20:00, Mon., 13 Mar. 0.0398 0.0353 0.0375
18:01-19:00, Mon., 13 Mar. 0.0398 0.0350 0.0372
17:01-18:00, Mon., 13 Mar. 0.0388 0.0346 0.0368
16:01-17:00, Mon., 13 Mar. 0.0387 0.0350 0.0371
15:01-16:00, Mon., 13 Mar. 0.0398 0.0354 0.0376
14:01-15:00, Mon., 13 Mar. 0.0419 0.0367 0.0391
13:01-14:00, Mon., 13 Mar. 0.0435 0.0393 0.0416
12:01-13:00, Mon., 13 Mar. 0.0425 0.0362 0.0395
11:01-12:00, Mon., 13 Mar. 0.0391 0.0355 0.0376
10:01-11:00, Mon., 13 Mar. 0.0405 0.0329 0.0375
09:01-10:00, Mon., 13 Mar. 0.0396 0.0353 0.0375
08:01-09:00, Mon., 13 Mar. 0.0394 0.0354 0.0375
07:01-08:00, Mon., 13 Mar. 0.0398 0.0357 0.0380
06:01-07:00, Mon., 13 Mar. 0.0396 0.0362 0.0376
05:01-06:00, Mon., 13 Mar. 0.0401 0.0347 0.0375
04:01-05:00, Mon., 13 Mar. 0.0397 0.0357 0.0381
03:01-04:00, Mon., 13 Mar. 0.0402 0.0363 0.0379
02:01-03:00, Mon., 13 Mar. 0.0398 0.0353 0.0377
01:01-02:00, Mon., 13 Mar. 0.0403 0.0359 0.0378
00:01-01:00, Mon., 13 Mar. 0.0393 0.0335 0.0376