Measurement results by the hour (Shinjuku) 25 Mar., 2013 - 31 Mar., 2013

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., 31 Mar. 0.0485 0.0415 0.0446
22:01-23:00, Sun., 31 Mar. 0.0481 0.0423 0.0452
21:01-22:00, Sun., 31 Mar. 0.0493 0.0425 0.0456
20:01-21:00, Sun., 31 Mar. 0.0487 0.0422 0.0450
19:01-20:00, Sun., 31 Mar. 0.0487 0.0400 0.0449
18:01-19:00, Sun., 31 Mar. 0.0482 0.0416 0.0449
17:01-18:00, Sun., 31 Mar. 0.0483 0.0424 0.0448
16:01-17:00, Sun., 31 Mar. 0.0473 0.0417 0.0445
15:01-16:00, Sun., 31 Mar. 0.0478 0.0404 0.0451
14:01-15:00, Sun., 31 Mar. 0.0489 0.0414 0.0448
13:01-14:00, Sun., 31 Mar. 0.0476 0.0416 0.0448
12:01-13:00, Sun., 31 Mar. 0.0472 0.0422 0.0449
11:01-12:00, Sun., 31 Mar. 0.0488 0.0417 0.0451
10:01-11:00, Sun., 31 Mar. 0.0474 0.0421 0.0447
09:01-10:00, Sun., 31 Mar. 0.0484 0.0415 0.0450
08:01-09:00, Sun., 31 Mar. 0.0479 0.0426 0.0445
07:01-08:00, Sun., 31 Mar. 0.0495 0.0425 0.0458
06:01-07:00, Sun., 31 Mar. 0.0533 0.0448 0.0483
05:01-06:00, Sun., 31 Mar. 0.0500 0.0437 0.0469
04:01-05:00, Sun., 31 Mar. 0.0504 0.0418 0.0458
03:01-04:00, Sun., 31 Mar. 0.0495 0.0427 0.0464
02:01-03:00, Sun., 31 Mar. 0.0494 0.0418 0.0460
01:01-02:00, Sun., 31 Mar. 0.0500 0.0418 0.0452
00:01-01:00, Sun., 31 Mar. 0.0479 0.0416 0.0450
23:01-24:00, Sat., 30 Mar. 0.0493 0.0421 0.0448
22:01-23:00, Sat., 30 Mar. 0.0488 0.0422 0.0454
21:01-22:00, Sat., 30 Mar. 0.0489 0.0407 0.0453
20:01-21:00, Sat., 30 Mar. 0.0493 0.0417 0.0456
19:01-20:00, Sat., 30 Mar. 0.0489 0.0432 0.0455
18:01-19:00, Sat., 30 Mar. 0.0493 0.0422 0.0453
17:01-18:00, Sat., 30 Mar. 0.0481 0.0430 0.0452
16:01-17:00, Sat., 30 Mar. 0.0480 0.0410 0.0453
15:01-16:00, Sat., 30 Mar. 0.0484 0.0416 0.0450
14:01-15:00, Sat., 30 Mar. 0.0481 0.0417 0.0448
13:01-14:00, Sat., 30 Mar. 0.0485 0.0423 0.0452
12:01-13:00, Sat., 30 Mar. 0.0479 0.0421 0.0455
11:01-12:00, Sat., 30 Mar. 0.0489 0.0427 0.0455
10:01-11:00, Sat., 30 Mar. 0.0487 0.0423 0.0453
09:01-10:00, Sat., 30 Mar. 0.0478 0.0409 0.0449
08:01-09:00, Sat., 30 Mar. 0.0481 0.0421 0.0449
07:01-08:00, Sat., 30 Mar. 0.0479 0.0419 0.0446
06:01-07:00, Sat., 30 Mar. 0.0473 0.0411 0.0447
05:01-06:00, Sat., 30 Mar. 0.0489 0.0422 0.0449
04:01-05:00, Sat., 30 Mar. 0.0468 0.0416 0.0447
03:01-04:00, Sat., 30 Mar. 0.0482 0.0419 0.0448
02:01-03:00, Sat., 30 Mar. 0.0487 0.0419 0.0448
01:01-02:00, Sat., 30 Mar. 0.0483 0.0412 0.0448
00:01-01:00, Sat., 30 Mar. 0.0492 0.0411 0.0446
23:01-24:00, Fri., 29 Mar. 0.0489 0.0419 0.0451
22:01-23:00, Fri., 29 Mar. 0.0479 0.0410 0.0450
21:01-22:00, Fri., 29 Mar. 0.0482 0.0404 0.0446
20:01-21:00, Fri., 29 Mar. 0.0487 0.0414 0.0447
19:01-20:00, Fri., 29 Mar. 0.0473 0.0412 0.0449
18:01-19:00, Fri., 29 Mar. 0.0484 0.0407 0.0444
17:01-18:00, Fri., 29 Mar. 0.0494 0.0422 0.0449
16:01-17:00, Fri., 29 Mar. 0.0485 0.0421 0.0448
15:01-16:00, Fri., 29 Mar. 0.0479 0.0418 0.0452
14:01-15:00, Fri., 29 Mar. 0.0492 0.0410 0.0454
13:01-14:00, Fri., 29 Mar. 0.0481 0.0425 0.0453
12:01-13:00, Fri., 29 Mar. 0.0493 0.0417 0.0452
11:01-12:00, Fri., 29 Mar. 0.0479 0.0416 0.0452
10:01-11:00, Fri., 29 Mar. 0.0512 0.0415 0.0459
09:01-10:00, Fri., 29 Mar. 0.0503 0.0432 0.0458
08:01-09:00, Fri., 29 Mar. 0.0498 0.0423 0.0461
07:01-08:00, Fri., 29 Mar. 0.0497 0.0433 0.0460
06:01-07:00, Fri., 29 Mar. 0.0490 0.0425 0.0454
05:01-06:00, Fri., 29 Mar. 0.0491 0.0421 0.0455
04:01-05:00, Fri., 29 Mar. 0.0500 0.0426 0.0453
03:01-04:00, Fri., 29 Mar. 0.0486 0.0420 0.0456
02:01-03:00, Fri., 29 Mar. 0.0493 0.0422 0.0451
01:01-02:00, Fri., 29 Mar. 0.0486 0.0422 0.0450
00:01-01:00, Fri., 29 Mar. 0.0466 0.0426 0.0448
23:01-24:00, Thu., 28 Mar. 0.0471 0.0432 0.0451
22:01-23:00, Thu., 28 Mar. 0.0484 0.0421 0.0448
21:01-22:00, Thu., 28 Mar. 0.0472 0.0413 0.0446
20:01-21:00, Thu., 28 Mar. 0.0482 0.0415 0.0448
19:01-20:00, Thu., 28 Mar. 0.0476 0.0424 0.0449
18:01-19:00, Thu., 28 Mar. 0.0482 0.0415 0.0448
17:01-18:00, Thu., 28 Mar. 0.0478 0.0417 0.0449
16:01-17:00, Thu., 28 Mar. 0.0483 0.0419 0.0449
15:01-16:00, Thu., 28 Mar. 0.0481 0.0423 0.0453
14:01-15:00, Thu., 28 Mar. 0.0498 0.0414 0.0447
13:01-14:00, Thu., 28 Mar. 0.0492 0.0420 0.0452
12:01-13:00, Thu., 28 Mar. 0.0483 0.0420 0.0453
11:01-12:00, Thu., 28 Mar. 0.0489 0.0417 0.0455
10:01-11:00, Thu., 28 Mar. 0.0485 0.0430 0.0455
09:01-10:00, Thu., 28 Mar. 0.0497 0.0421 0.0458
08:01-09:00, Thu., 28 Mar. 0.0477 0.0421 0.0452
07:01-08:00, Thu., 28 Mar. 0.0487 0.0417 0.0450
06:01-07:00, Thu., 28 Mar. 0.0482 0.0414 0.0448
05:01-06:00, Thu., 28 Mar. 0.0495 0.0418 0.0451
04:01-05:00, Thu., 28 Mar. 0.0485 0.0418 0.0449
03:01-04:00, Thu., 28 Mar. 0.0489 0.0413 0.0447
02:01-03:00, Thu., 28 Mar. 0.0498 0.0411 0.0450
01:01-02:00, Thu., 28 Mar. 0.0476 0.0422 0.0451
00:01-01:00, Thu., 28 Mar. 0.0484 0.0409 0.0448
23:01-24:00, Wed., 27 Mar. 0.0486 0.0424 0.0451
22:01-23:00, Wed., 27 Mar. 0.0479 0.0420 0.0449
21:01-22:00, Wed., 27 Mar. 0.0491 0.0414 0.0447
20:01-21:00, Wed., 27 Mar. 0.0486 0.0405 0.0445
19:01-20:00, Wed., 27 Mar. 0.0475 0.0420 0.0448
18:01-19:00, Wed., 27 Mar. 0.0486 0.0417 0.0447
17:01-18:00, Wed., 27 Mar. 0.0473 0.0409 0.0448
16:01-17:00, Wed., 27 Mar. 0.0474 0.0417 0.0446
15:01-16:00, Wed., 27 Mar. 0.0490 0.0411 0.0448
14:01-15:00, Wed., 27 Mar. 0.0497 0.0424 0.0457
13:01-14:00, Wed., 27 Mar. 0.0511 0.0442 0.0477
12:01-13:00, Wed., 27 Mar. 0.0525 0.0453 0.0483
11:01-12:00, Wed., 27 Mar. 0.0529 0.0452 0.0491
10:01-11:00, Wed., 27 Mar. 0.0525 0.0458 0.0492
09:01-10:00, Wed., 27 Mar. 0.0525 0.0450 0.0483
08:01-09:00, Wed., 27 Mar. 0.0514 0.0420 0.0462
07:01-08:00, Wed., 27 Mar. 0.0478 0.0416 0.0451
06:01-07:00, Wed., 27 Mar. 0.0486 0.0417 0.0455
05:01-06:00, Wed., 27 Mar. 0.0479 0.0423 0.0449
04:01-05:00, Wed., 27 Mar. 0.0479 0.0418 0.0449
03:01-04:00, Wed., 27 Mar. 0.0480 0.0422 0.0451
02:01-03:00, Wed., 27 Mar. 0.0465 0.0414 0.0442
01:01-02:00, Wed., 27 Mar. 0.0486 0.0414 0.0446
00:01-01:00, Wed., 27 Mar. 0.0486 0.0420 0.0444
23:01-24:00, Tue., 26 Mar. 0.0475 0.0412 0.0443
22:01-23:00, Tue., 26 Mar. 0.0481 0.0421 0.0450
21:01-22:00, Tue., 26 Mar. 0.0495 0.0405 0.0446
20:01-21:00, Tue., 26 Mar. 0.0475 0.0415 0.0449
19:01-20:00, Tue., 26 Mar. 0.0476 0.0419 0.0448
18:01-19:00, Tue., 26 Mar. 0.0479 0.0415 0.0444
17:01-18:00, Tue., 26 Mar. 0.0473 0.0423 0.0446
16:01-17:00, Tue., 26 Mar. 0.0478 0.0409 0.0449
15:01-16:00, Tue., 26 Mar. 0.0493 0.0410 0.0447
14:01-15:00, Tue., 26 Mar. 0.0482 0.0419 0.0449
13:01-14:00, Tue., 26 Mar. 0.0492 0.0418 0.0448
12:01-13:00, Tue., 26 Mar. 0.0481 0.0418 0.0447
11:01-12:00, Tue., 26 Mar. 0.0475 0.0411 0.0447
10:01-11:00, Tue., 26 Mar. 0.0477 0.0412 0.0446
09:01-10:00, Tue., 26 Mar. 0.0476 0.0404 0.0442
08:01-09:00, Tue., 26 Mar. 0.0483 0.0411 0.0445
07:01-08:00, Tue., 26 Mar. 0.0469 0.0421 0.0446
06:01-07:00, Tue., 26 Mar. 0.0476 0.0409 0.0446
05:01-06:00, Tue., 26 Mar. 0.0494 0.0413 0.0446
04:01-05:00, Tue., 26 Mar. 0.0487 0.0412 0.0446
03:01-04:00, Tue., 26 Mar. 0.0485 0.0415 0.0443
02:01-03:00, Tue., 26 Mar. 0.0486 0.0411 0.0451
01:01-02:00, Tue., 26 Mar. 0.0475 0.0418 0.0451
00:01-01:00, Tue., 26 Mar. 0.0486 0.0422 0.0457
23:01-24:00, Mon., 25 Mar. 0.0528 0.0454 0.0484
22:01-23:00, Mon., 25 Mar. 0.0540 0.0475 0.0505
21:01-22:00, Mon., 25 Mar. 0.0574 0.0465 0.0504
20:01-21:00, Mon., 25 Mar. 0.0495 0.0439 0.0466
19:01-20:00, Mon., 25 Mar. 0.0518 0.0447 0.0482
18:01-19:00, Mon., 25 Mar. 0.0517 0.0437 0.0471
17:01-18:00, Mon., 25 Mar. 0.0496 0.0407 0.0450
16:01-17:00, Mon., 25 Mar. 0.0482 0.0418 0.0453
15:01-16:00, Mon., 25 Mar. 0.0478 0.0423 0.0452
14:01-15:00, Mon., 25 Mar. 0.0499 0.0431 0.0463
13:01-14:00, Mon., 25 Mar. 0.0511 0.0441 0.0472
12:01-13:00, Mon., 25 Mar. 0.0506 0.0446 0.0475
11:01-12:00, Mon., 25 Mar. 0.0510 0.0409 0.0457
10:01-11:00, Mon., 25 Mar. 0.0471 0.0421 0.0453
09:01-10:00, Mon., 25 Mar. 0.0495 0.0438 0.0462
08:01-09:00, Mon., 25 Mar. 0.0494 0.0429 0.0460
07:01-08:00, Mon., 25 Mar. 0.0498 0.0415 0.0464
06:01-07:00, Mon., 25 Mar. 0.0494 0.0437 0.0465
05:01-06:00, Mon., 25 Mar. 0.0501 0.0437 0.0463
04:01-05:00, Mon., 25 Mar. 0.0499 0.0415 0.0460
03:01-04:00, Mon., 25 Mar. 0.0487 0.0409 0.0448
02:01-03:00, Mon., 25 Mar. 0.0478 0.0417 0.0450
01:01-02:00, Mon., 25 Mar. 0.0495 0.0412 0.0447
00:01-01:00, Mon., 25 Mar. 0.0486 0.0413 0.0450