Measurement results by the hour (Shinjuku) 22 Apr., 2013 - 28 Apr., 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., 28 Apr. 0.0494 0.0399 0.0447
22:01-23:00, Sun., 28 Apr. 0.0489 0.0414 0.0444
21:01-22:00, Sun., 28 Apr. 0.0477 0.0413 0.0447
20:01-21:00, Sun., 28 Apr. 0.0476 0.0417 0.0447
19:01-20:00, Sun., 28 Apr. 0.0481 0.0406 0.0447
18:01-19:00, Sun., 28 Apr. 0.0474 0.0406 0.0446
17:01-18:00, Sun., 28 Apr. 0.0468 0.0422 0.0446
16:01-17:00, Sun., 28 Apr. 0.0481 0.0402 0.0446
15:01-16:00, Sun., 28 Apr. 0.0472 0.0418 0.0446
14:01-15:00, Sun., 28 Apr. 0.0486 0.0405 0.0452
13:01-14:00, Sun., 28 Apr. 0.0489 0.0421 0.0452
12:01-13:00, Sun., 28 Apr. 0.0479 0.0419 0.0452
11:01-12:00, Sun., 28 Apr. 0.0490 0.0409 0.0450
10:01-11:00, Sun., 28 Apr. 0.0498 0.0411 0.0453
09:01-10:00, Sun., 28 Apr. 0.0488 0.0414 0.0454
08:01-09:00, Sun., 28 Apr. 0.0468 0.0408 0.0447
07:01-08:00, Sun., 28 Apr. 0.0486 0.0418 0.0451
06:01-07:00, Sun., 28 Apr. 0.0478 0.0415 0.0449
05:01-06:00, Sun., 28 Apr. 0.0477 0.0404 0.0447
04:01-05:00, Sun., 28 Apr. 0.0486 0.0418 0.0447
03:01-04:00, Sun., 28 Apr. 0.0494 0.0405 0.0445
02:01-03:00, Sun., 28 Apr. 0.0495 0.0414 0.0448
01:01-02:00, Sun., 28 Apr. 0.0473 0.0418 0.0446
00:01-01:00, Sun., 28 Apr. 0.0489 0.0417 0.0442
23:01-24:00, Sat., 27 Apr. 0.0475 0.0408 0.0446
22:01-23:00, Sat., 27 Apr. 0.0481 0.0418 0.0444
21:01-22:00, Sat., 27 Apr. 0.0472 0.0408 0.0443
20:01-21:00, Sat., 27 Apr. 0.0485 0.0416 0.0447
19:01-20:00, Sat., 27 Apr. 0.0476 0.0409 0.0443
18:01-19:00, Sat., 27 Apr. 0.0491 0.0413 0.0448
17:01-18:00, Sat., 27 Apr. 0.0480 0.0406 0.0448
16:01-17:00, Sat., 27 Apr. 0.0474 0.0418 0.0448
15:01-16:00, Sat., 27 Apr. 0.0487 0.0416 0.0452
14:01-15:00, Sat., 27 Apr. 0.0496 0.0414 0.0456
13:01-14:00, Sat., 27 Apr. 0.0493 0.0418 0.0454
12:01-13:00, Sat., 27 Apr. 0.0499 0.0426 0.0452
11:01-12:00, Sat., 27 Apr. 0.0478 0.0411 0.0451
10:01-11:00, Sat., 27 Apr. 0.0498 0.0425 0.0454
09:01-10:00, Sat., 27 Apr. 0.0493 0.0417 0.0457
08:01-09:00, Sat., 27 Apr. 0.0484 0.0421 0.0458
07:01-08:00, Sat., 27 Apr. 0.0491 0.0422 0.0456
06:01-07:00, Sat., 27 Apr. 0.0480 0.0423 0.0450
05:01-06:00, Sat., 27 Apr. 0.0484 0.0422 0.0452
04:01-05:00, Sat., 27 Apr. 0.0492 0.0416 0.0451
03:01-04:00, Sat., 27 Apr. 0.0483 0.0424 0.0447
02:01-03:00, Sat., 27 Apr. 0.0495 0.0420 0.0449
01:01-02:00, Sat., 27 Apr. 0.0481 0.0410 0.0446
00:01-01:00, Sat., 27 Apr. 0.0482 0.0413 0.0449
23:01-24:00, Fri., 26 Apr. 0.0485 0.0423 0.0448
22:01-23:00, Fri., 26 Apr. 0.0484 0.0423 0.0449
21:01-22:00, Fri., 26 Apr. 0.0483 0.0403 0.0452
20:01-21:00, Fri., 26 Apr. 0.0484 0.0415 0.0449
19:01-20:00, Fri., 26 Apr. 0.0509 0.0423 0.0454
18:01-19:00, Fri., 26 Apr. 0.0489 0.0411 0.0448
17:01-18:00, Fri., 26 Apr. 0.0484 0.0410 0.0447
16:01-17:00, Fri., 26 Apr. 0.0478 0.0421 0.0449
15:01-16:00, Fri., 26 Apr. 0.0489 0.0426 0.0452
14:01-15:00, Fri., 26 Apr. 0.0477 0.0413 0.0452
13:01-14:00, Fri., 26 Apr. 0.0489 0.0422 0.0456
12:01-13:00, Fri., 26 Apr. 0.0485 0.0425 0.0453
11:01-12:00, Fri., 26 Apr. 0.0476 0.0426 0.0452
10:01-11:00, Fri., 26 Apr. 0.0487 0.0404 0.0453
09:01-10:00, Fri., 26 Apr. 0.0489 0.0426 0.0454
08:01-09:00, Fri., 26 Apr. 0.0490 0.0420 0.0455
07:01-08:00, Fri., 26 Apr. 0.0482 0.0418 0.0454
06:01-07:00, Fri., 26 Apr. 0.0474 0.0421 0.0448
05:01-06:00, Fri., 26 Apr. 0.0491 0.0413 0.0448
04:01-05:00, Fri., 26 Apr. 0.0489 0.0417 0.0449
03:01-04:00, Fri., 26 Apr. 0.0493 0.0410 0.0451
02:01-03:00, Fri., 26 Apr. 0.0485 0.0425 0.0451
01:01-02:00, Fri., 26 Apr. 0.0486 0.0399 0.0448
00:01-01:00, Fri., 26 Apr. 0.0474 0.0416 0.0446
23:01-24:00, Thu., 25 Apr. 0.0473 0.0417 0.0447
22:01-23:00, Thu., 25 Apr. 0.0478 0.0422 0.0445
21:01-22:00, Thu., 25 Apr. 0.0490 0.0421 0.0450
20:01-21:00, Thu., 25 Apr. 0.0474 0.0420 0.0444
19:01-20:00, Thu., 25 Apr. 0.0483 0.0419 0.0449
18:01-19:00, Thu., 25 Apr. 0.0490 0.0400 0.0446
17:01-18:00, Thu., 25 Apr. 0.0485 0.0395 0.0450
16:01-17:00, Thu., 25 Apr. 0.0482 0.0418 0.0448
15:01-16:00, Thu., 25 Apr. 0.0478 0.0428 0.0449
14:01-15:00, Thu., 25 Apr. 0.0480 0.0402 0.0451
13:01-14:00, Thu., 25 Apr. 0.0478 0.0406 0.0446
12:01-13:00, Thu., 25 Apr. 0.0492 0.0414 0.0450
11:01-12:00, Thu., 25 Apr. 0.0482 0.0411 0.0451
10:01-11:00, Thu., 25 Apr. 0.0474 0.0416 0.0449
09:01-10:00, Thu., 25 Apr. 0.0481 0.0409 0.0452
08:01-09:00, Thu., 25 Apr. 0.0484 0.0418 0.0453
07:01-08:00, Thu., 25 Apr. 0.0498 0.0424 0.0452
06:01-07:00, Thu., 25 Apr. 0.0483 0.0414 0.0447
05:01-06:00, Thu., 25 Apr. 0.0483 0.0410 0.0448
04:01-05:00, Thu., 25 Apr. 0.0475 0.0421 0.0447
03:01-04:00, Thu., 25 Apr. 0.0486 0.0419 0.0446
02:01-03:00, Thu., 25 Apr. 0.0502 0.0413 0.0453
01:01-02:00, Thu., 25 Apr. 0.0514 0.0423 0.0464
00:01-01:00, Thu., 25 Apr. 0.0541 0.0450 0.0491
23:01-24:00, Wed., 24 Apr. 0.0524 0.0441 0.0487
22:01-23:00, Wed., 24 Apr. 0.0506 0.0433 0.0468
21:01-22:00, Wed., 24 Apr. 0.0493 0.0420 0.0463
20:01-21:00, Wed., 24 Apr. 0.0485 0.0422 0.0456
19:01-20:00, Wed., 24 Apr. 0.0489 0.0415 0.0448
18:01-19:00, Wed., 24 Apr. 0.0477 0.0415 0.0449
17:01-18:00, Wed., 24 Apr. 0.0492 0.0426 0.0447
16:01-17:00, Wed., 24 Apr. 0.0493 0.0428 0.0454
15:01-16:00, Wed., 24 Apr. 0.0488 0.0424 0.0458
14:01-15:00, Wed., 24 Apr. 0.0484 0.0420 0.0454
13:01-14:00, Wed., 24 Apr. 0.0494 0.0419 0.0448
12:01-13:00, Wed., 24 Apr. 0.0525 0.0441 0.0475
11:01-12:00, Wed., 24 Apr. 0.0510 0.0433 0.0479
10:01-11:00, Wed., 24 Apr. 0.0488 0.0433 0.0460
09:01-10:00, Wed., 24 Apr. 0.0494 0.0423 0.0453
08:01-09:00, Wed., 24 Apr. 0.0474 0.0410 0.0445
07:01-08:00, Wed., 24 Apr. 0.0489 0.0410 0.0446
06:01-07:00, Wed., 24 Apr. 0.0476 0.0404 0.0445
05:01-06:00, Wed., 24 Apr. 0.0477 0.0400 0.0444
04:01-05:00, Wed., 24 Apr. 0.0477 0.0413 0.0449
03:01-04:00, Wed., 24 Apr. 0.0489 0.0406 0.0447
02:01-03:00, Wed., 24 Apr. 0.0479 0.0403 0.0442
01:01-02:00, Wed., 24 Apr. 0.0477 0.0412 0.0442
00:01-01:00, Wed., 24 Apr. 0.0472 0.0418 0.0445
23:01-24:00, Tue., 23 Apr. 0.0474 0.0423 0.0448
22:01-23:00, Tue., 23 Apr. 0.0485 0.0416 0.0448
21:01-22:00, Tue., 23 Apr. 0.0479 0.0423 0.0446
20:01-21:00, Tue., 23 Apr. 0.0476 0.0417 0.0445
19:01-20:00, Tue., 23 Apr. 0.0483 0.0406 0.0445
18:01-19:00, Tue., 23 Apr. 0.0468 0.0412 0.0441
17:01-18:00, Tue., 23 Apr. 0.0476 0.0412 0.0443
16:01-17:00, Tue., 23 Apr. 0.0484 0.0415 0.0445
15:01-16:00, Tue., 23 Apr. 0.0486 0.0405 0.0446
14:01-15:00, Tue., 23 Apr. 0.0480 0.0416 0.0447
13:01-14:00, Tue., 23 Apr. 0.0473 0.0410 0.0446
12:01-13:00, Tue., 23 Apr. 0.0482 0.0418 0.0447
11:01-12:00, Tue., 23 Apr. 0.0496 0.0408 0.0451
10:01-11:00, Tue., 23 Apr. 0.0476 0.0409 0.0447
09:01-10:00, Tue., 23 Apr. 0.0481 0.0419 0.0451
08:01-09:00, Tue., 23 Apr. 0.0488 0.0425 0.0456
07:01-08:00, Tue., 23 Apr. 0.0482 0.0415 0.0451
06:01-07:00, Tue., 23 Apr. 0.0483 0.0413 0.0449
05:01-06:00, Tue., 23 Apr. 0.0485 0.0416 0.0445
04:01-05:00, Tue., 23 Apr. 0.0479 0.0409 0.0443
03:01-04:00, Tue., 23 Apr. 0.0473 0.0406 0.0443
02:01-03:00, Tue., 23 Apr. 0.0475 0.0406 0.0444
01:01-02:00, Tue., 23 Apr. 0.0465 0.0403 0.0439
00:01-01:00, Tue., 23 Apr. 0.0483 0.0404 0.0441
23:01-24:00, Mon., 22 Apr. 0.0471 0.0417 0.0444
22:01-23:00, Mon., 22 Apr. 0.0476 0.0404 0.0442
21:01-22:00, Mon., 22 Apr. 0.0475 0.0418 0.0446
20:01-21:00, Mon., 22 Apr. 0.0467 0.0407 0.0440
19:01-20:00, Mon., 22 Apr. 0.0476 0.0391 0.0444
18:01-19:00, Mon., 22 Apr. 0.0478 0.0410 0.0441
17:01-18:00, Mon., 22 Apr. 0.0474 0.0419 0.0442
16:01-17:00, Mon., 22 Apr. 0.0479 0.0407 0.0443
15:01-16:00, Mon., 22 Apr. 0.0483 0.0414 0.0446
14:01-15:00, Mon., 22 Apr. 0.0483 0.0421 0.0452
13:01-14:00, Mon., 22 Apr. 0.0481 0.0414 0.0447
12:01-13:00, Mon., 22 Apr. 0.0487 0.0417 0.0446
11:01-12:00, Mon., 22 Apr. 0.0469 0.0399 0.0442
10:01-11:00, Mon., 22 Apr. 0.0472 0.0410 0.0444
09:01-10:00, Mon., 22 Apr. 0.0485 0.0413 0.0447
08:01-09:00, Mon., 22 Apr. 0.0471 0.0408 0.0443
07:01-08:00, Mon., 22 Apr. 0.0480 0.0396 0.0441
06:01-07:00, Mon., 22 Apr. 0.0470 0.0412 0.0440
05:01-06:00, Mon., 22 Apr. 0.0476 0.0410 0.0441
04:01-05:00, Mon., 22 Apr. 0.0477 0.0408 0.0442
03:01-04:00, Mon., 22 Apr. 0.0473 0.0417 0.0444
02:01-03:00, Mon., 22 Apr. 0.0471 0.0411 0.0440
01:01-02:00, Mon., 22 Apr. 0.0479 0.0402 0.0441
00:01-01:00, Mon., 22 Apr. 0.0474 0.0410 0.0443