Measurement results by the hour (Shinjuku) 15 Apr., 2013 - 21 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., 21 Apr. 0.0469 0.0405 0.0438
22:01-23:00, Sun., 21 Apr. 0.0463 0.0405 0.0436
21:01-22:00, Sun., 21 Apr. 0.0467 0.0409 0.0440
20:01-21:00, Sun., 21 Apr. 0.0476 0.0396 0.0441
19:01-20:00, Sun., 21 Apr. 0.0470 0.0405 0.0442
18:01-19:00, Sun., 21 Apr. 0.0494 0.0417 0.0448
17:01-18:00, Sun., 21 Apr. 0.0475 0.0408 0.0440
16:01-17:00, Sun., 21 Apr. 0.0482 0.0402 0.0444
15:01-16:00, Sun., 21 Apr. 0.0487 0.0421 0.0444
14:01-15:00, Sun., 21 Apr. 0.0487 0.0422 0.0449
13:01-14:00, Sun., 21 Apr. 0.0509 0.0428 0.0464
12:01-13:00, Sun., 21 Apr. 0.0529 0.0445 0.0489
11:01-12:00, Sun., 21 Apr. 0.0543 0.0477 0.0509
10:01-11:00, Sun., 21 Apr. 0.0561 0.0486 0.0525
09:01-10:00, Sun., 21 Apr. 0.0580 0.0511 0.0539
08:01-09:00, Sun., 21 Apr. 0.0570 0.0508 0.0540
07:01-08:00, Sun., 21 Apr. 0.0572 0.0483 0.0532
06:01-07:00, Sun., 21 Apr. 0.0568 0.0471 0.0525
05:01-06:00, Sun., 21 Apr. 0.0547 0.0455 0.0498
04:01-05:00, Sun., 21 Apr. 0.0515 0.0437 0.0474
03:01-04:00, Sun., 21 Apr. 0.0498 0.0434 0.0463
02:01-03:00, Sun., 21 Apr. 0.0509 0.0439 0.0471
01:01-02:00, Sun., 21 Apr. 0.0518 0.0449 0.0484
00:01-01:00, Sun., 21 Apr. 0.0512 0.0455 0.0481
23:01-24:00, Sat., 20 Apr. 0.0501 0.0431 0.0466
22:01-23:00, Sat., 20 Apr. 0.0528 0.0455 0.0488
21:01-22:00, Sat., 20 Apr. 0.0515 0.0451 0.0483
20:01-21:00, Sat., 20 Apr. 0.0519 0.0451 0.0475
19:01-20:00, Sat., 20 Apr. 0.0516 0.0452 0.0483
18:01-19:00, Sat., 20 Apr. 0.0522 0.0454 0.0486
17:01-18:00, Sat., 20 Apr. 0.0505 0.0438 0.0471
16:01-17:00, Sat., 20 Apr. 0.0504 0.0419 0.0465
15:01-16:00, Sat., 20 Apr. 0.0490 0.0429 0.0455
14:01-15:00, Sat., 20 Apr. 0.0480 0.0420 0.0448
13:01-14:00, Sat., 20 Apr. 0.0488 0.0424 0.0449
12:01-13:00, Sat., 20 Apr. 0.0472 0.0416 0.0447
11:01-12:00, Sat., 20 Apr. 0.0475 0.0406 0.0445
10:01-11:00, Sat., 20 Apr. 0.0481 0.0412 0.0449
09:01-10:00, Sat., 20 Apr. 0.0487 0.0415 0.0448
08:01-09:00, Sat., 20 Apr. 0.0475 0.0423 0.0448
07:01-08:00, Sat., 20 Apr. 0.0485 0.0415 0.0446
06:01-07:00, Sat., 20 Apr. 0.0474 0.0411 0.0447
05:01-06:00, Sat., 20 Apr. 0.0482 0.0418 0.0445
04:01-05:00, Sat., 20 Apr. 0.0488 0.0406 0.0447
03:01-04:00, Sat., 20 Apr. 0.0478 0.0410 0.0445
02:01-03:00, Sat., 20 Apr. 0.0488 0.0409 0.0444
01:01-02:00, Sat., 20 Apr. 0.0474 0.0419 0.0448
00:01-01:00, Sat., 20 Apr. 0.0474 0.0408 0.0444
23:01-24:00, Fri., 19 Apr. 0.0490 0.0414 0.0443
22:01-23:00, Fri., 19 Apr. 0.0481 0.0403 0.0446
21:01-22:00, Fri., 19 Apr. 0.0472 0.0405 0.0443
20:01-21:00, Fri., 19 Apr. 0.0483 0.0407 0.0444
19:01-20:00, Fri., 19 Apr. 0.0476 0.0417 0.0444
18:01-19:00, Fri., 19 Apr. 0.0478 0.0408 0.0442
17:01-18:00, Fri., 19 Apr. 0.0476 0.0415 0.0445
16:01-17:00, Fri., 19 Apr. 0.0469 0.0425 0.0446
15:01-16:00, Fri., 19 Apr. 0.0482 0.0416 0.0445
14:01-15:00, Fri., 19 Apr. 0.0472 0.0417 0.0444
13:01-14:00, Fri., 19 Apr. 0.0480 0.0412 0.0446
12:01-13:00, Fri., 19 Apr. 0.0481 0.0416 0.0451
11:01-12:00, Fri., 19 Apr. 0.0482 0.0411 0.0452
10:01-11:00, Fri., 19 Apr. 0.0477 0.0407 0.0445
09:01-10:00, Fri., 19 Apr. 0.0480 0.0408 0.0447
08:01-09:00, Fri., 19 Apr. 0.0480 0.0416 0.0448
07:01-08:00, Fri., 19 Apr. 0.0487 0.0420 0.0447
06:01-07:00, Fri., 19 Apr. 0.0482 0.0419 0.0447
05:01-06:00, Fri., 19 Apr. 0.0476 0.0417 0.0447
04:01-05:00, Fri., 19 Apr. 0.0479 0.0421 0.0445
03:01-04:00, Fri., 19 Apr. 0.0498 0.0422 0.0452
02:01-03:00, Fri., 19 Apr. 0.0481 0.0407 0.0451
01:01-02:00, Fri., 19 Apr. 0.0472 0.0417 0.0447
00:01-01:00, Fri., 19 Apr. 0.0485 0.0423 0.0445
23:01-24:00, Thu., 18 Apr. 0.0494 0.0407 0.0444
22:01-23:00, Thu., 18 Apr. 0.0477 0.0414 0.0447
21:01-22:00, Thu., 18 Apr. 0.0481 0.0411 0.0448
20:01-21:00, Thu., 18 Apr. 0.0478 0.0423 0.0445
19:01-20:00, Thu., 18 Apr. 0.0475 0.0396 0.0444
18:01-19:00, Thu., 18 Apr. 0.0477 0.0421 0.0445
17:01-18:00, Thu., 18 Apr. 0.0475 0.0413 0.0444
16:01-17:00, Thu., 18 Apr. 0.0482 0.0410 0.0439
15:01-16:00, Thu., 18 Apr. 0.0478 0.0407 0.0442
14:01-15:00, Thu., 18 Apr. 0.0485 0.0409 0.0448
13:01-14:00, Thu., 18 Apr. 0.0490 0.0417 0.0450
12:01-13:00, Thu., 18 Apr. 0.0476 0.0412 0.0451
11:01-12:00, Thu., 18 Apr. 0.0485 0.0414 0.0446
10:01-11:00, Thu., 18 Apr. 0.0484 0.0419 0.0449
09:01-10:00, Thu., 18 Apr. 0.0484 0.0419 0.0453
08:01-09:00, Thu., 18 Apr. 0.0503 0.0420 0.0456
07:01-08:00, Thu., 18 Apr. 0.0504 0.0429 0.0461
06:01-07:00, Thu., 18 Apr. 0.0510 0.0417 0.0458
05:01-06:00, Thu., 18 Apr. 0.0494 0.0414 0.0452
04:01-05:00, Thu., 18 Apr. 0.0475 0.0419 0.0445
03:01-04:00, Thu., 18 Apr. 0.0473 0.0414 0.0446
02:01-03:00, Thu., 18 Apr. 0.0476 0.0416 0.0444
01:01-02:00, Thu., 18 Apr. 0.0481 0.0413 0.0443
00:01-01:00, Thu., 18 Apr. 0.0472 0.0411 0.0444
23:01-24:00, Wed., 17 Apr. 0.0480 0.0409 0.0445
22:01-23:00, Wed., 17 Apr. 0.0487 0.0426 0.0448
21:01-22:00, Wed., 17 Apr. 0.0480 0.0414 0.0449
20:01-21:00, Wed., 17 Apr. 0.0473 0.0405 0.0446
19:01-20:00, Wed., 17 Apr. 0.0483 0.0410 0.0446
18:01-19:00, Wed., 17 Apr. 0.0468 0.0409 0.0444
17:01-18:00, Wed., 17 Apr. 0.0491 0.0414 0.0448
16:01-17:00, Wed., 17 Apr. 0.0467 0.0418 0.0445
15:01-16:00, Wed., 17 Apr. 0.0472 0.0407 0.0437
14:01-15:00, Wed., 17 Apr. 0.0484 0.0413 0.0449
13:01-14:00, Wed., 17 Apr. 0.0480 0.0415 0.0443
12:01-13:00, Wed., 17 Apr. 0.0481 0.0419 0.0449
11:01-12:00, Wed., 17 Apr. 0.0496 0.0421 0.0448
10:01-11:00, Wed., 17 Apr. 0.0483 0.0414 0.0449
09:01-10:00, Wed., 17 Apr. 0.0501 0.0413 0.0446
08:01-09:00, Wed., 17 Apr. 0.0501 0.0420 0.0452
07:01-08:00, Wed., 17 Apr. 0.0499 0.0414 0.0450
06:01-07:00, Wed., 17 Apr. 0.0485 0.0422 0.0449
05:01-06:00, Wed., 17 Apr. 0.0490 0.0413 0.0447
04:01-05:00, Wed., 17 Apr. 0.0489 0.0419 0.0452
03:01-04:00, Wed., 17 Apr. 0.0485 0.0420 0.0449
02:01-03:00, Wed., 17 Apr. 0.0481 0.0412 0.0451
01:01-02:00, Wed., 17 Apr. 0.0485 0.0412 0.0451
00:01-01:00, Wed., 17 Apr. 0.0486 0.0412 0.0451
23:01-24:00, Tue., 16 Apr. 0.0492 0.0422 0.0450
22:01-23:00, Tue., 16 Apr. 0.0489 0.0412 0.0451
21:01-22:00, Tue., 16 Apr. 0.0489 0.0419 0.0448
20:01-21:00, Tue., 16 Apr. 0.0486 0.0407 0.0449
19:01-20:00, Tue., 16 Apr. 0.0478 0.0425 0.0446
18:01-19:00, Tue., 16 Apr. 0.0478 0.0406 0.0446
17:01-18:00, Tue., 16 Apr. 0.0481 0.0406 0.0447
16:01-17:00, Tue., 16 Apr. 0.0477 0.0419 0.0446
15:01-16:00, Tue., 16 Apr. 0.0480 0.0418 0.0449
14:01-15:00, Tue., 16 Apr. 0.0484 0.0417 0.0450
13:01-14:00, Tue., 16 Apr. 0.0472 0.0409 0.0451
12:01-13:00, Tue., 16 Apr. 0.0485 0.0411 0.0449
11:01-12:00, Tue., 16 Apr. 0.0485 0.0419 0.0452
10:01-11:00, Tue., 16 Apr. 0.0480 0.0416 0.0448
09:01-10:00, Tue., 16 Apr. 0.0483 0.0420 0.0452
08:01-09:00, Tue., 16 Apr. 0.0510 0.0417 0.0452
07:01-08:00, Tue., 16 Apr. 0.0479 0.0418 0.0452
06:01-07:00, Tue., 16 Apr. 0.0486 0.0421 0.0446
05:01-06:00, Tue., 16 Apr. 0.0484 0.0416 0.0446
04:01-05:00, Tue., 16 Apr. 0.0485 0.0427 0.0448
03:01-04:00, Tue., 16 Apr. 0.0470 0.0412 0.0444
02:01-03:00, Tue., 16 Apr. 0.0475 0.0426 0.0446
01:01-02:00, Tue., 16 Apr. 0.0481 0.0413 0.0443
00:01-01:00, Tue., 16 Apr. 0.0482 0.0401 0.0444
23:01-24:00, Mon., 15 Apr. 0.0474 0.0419 0.0445
22:01-23:00, Mon., 15 Apr. 0.0494 0.0414 0.0444
21:01-22:00, Mon., 15 Apr. 0.0479 0.0418 0.0444
20:01-21:00, Mon., 15 Apr. 0.0472 0.0410 0.0444
19:01-20:00, Mon., 15 Apr. 0.0486 0.0410 0.0449
18:01-19:00, Mon., 15 Apr. 0.0474 0.0417 0.0444
17:01-18:00, Mon., 15 Apr. 0.0476 0.0415 0.0446
16:01-17:00, Mon., 15 Apr. 0.0477 0.0424 0.0449
15:01-16:00, Mon., 15 Apr. 0.0489 0.0427 0.0453
14:01-15:00, Mon., 15 Apr. 0.0478 0.0421 0.0451
13:01-14:00, Mon., 15 Apr. 0.0484 0.0427 0.0454
12:01-13:00, Mon., 15 Apr. 0.0489 0.0419 0.0452
11:01-12:00, Mon., 15 Apr. 0.0487 0.0419 0.0452
10:01-11:00, Mon., 15 Apr. 0.0484 0.0418 0.0451
09:01-10:00, Mon., 15 Apr. 0.0488 0.0429 0.0458
08:01-09:00, Mon., 15 Apr. 0.0494 0.0424 0.0456
07:01-08:00, Mon., 15 Apr. 0.0483 0.0420 0.0457
06:01-07:00, Mon., 15 Apr. 0.0497 0.0425 0.0461
05:01-06:00, Mon., 15 Apr. 0.0492 0.0410 0.0455
04:01-05:00, Mon., 15 Apr. 0.0483 0.0418 0.0450
03:01-04:00, Mon., 15 Apr. 0.0480 0.0413 0.0451
02:01-03:00, Mon., 15 Apr. 0.0482 0.0415 0.0447
01:01-02:00, Mon., 15 Apr. 0.0481 0.0409 0.0448
00:01-01:00, Mon., 15 Apr. 0.0485 0.0412 0.0446