Measurement results by the hour (Shinjuku) 18 Feb., 2013 - 24 Feb., 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., 24 Feb. 0.0472 0.0413 0.0448
22:01-23:00, Sun., 24 Feb. 0.0478 0.0409 0.0449
21:01-22:00, Sun., 24 Feb. 0.0480 0.0419 0.0449
20:01-21:00, Sun., 24 Feb. 0.0475 0.0422 0.0447
19:01-20:00, Sun., 24 Feb. 0.0484 0.0420 0.0452
18:01-19:00, Sun., 24 Feb. 0.0492 0.0415 0.0456
17:01-18:00, Sun., 24 Feb. 0.0479 0.0420 0.0451
16:01-17:00, Sun., 24 Feb. 0.0474 0.0433 0.0456
09:01-10:00, Sun., 24 Feb. 0.0487 0.0427 0.0455
08:01-09:00, Sun., 24 Feb. 0.0499 0.0428 0.0456
07:01-08:00, Sun., 24 Feb. 0.0491 0.0439 0.0463
06:01-07:00, Sun., 24 Feb. 0.0491 0.0418 0.0458
05:01-06:00, Sun., 24 Feb. 0.0482 0.0424 0.0453
04:01-05:00, Sun., 24 Feb. 0.0494 0.0422 0.0455
03:01-04:00, Sun., 24 Feb. 0.0485 0.0415 0.0454
02:01-03:00, Sun., 24 Feb. 0.0516 0.0416 0.0458
01:01-02:00, Sun., 24 Feb. 0.0495 0.0430 0.0455
00:01-01:00, Sun., 24 Feb. 0.0489 0.0428 0.0455
23:01-24:00, Sat., 23 Feb. 0.0474 0.0426 0.0452
22:01-23:00, Sat., 23 Feb. 0.0490 0.0415 0.0451
21:01-22:00, Sat., 23 Feb. 0.0489 0.0413 0.0456
20:01-21:00, Sat., 23 Feb. 0.0491 0.0408 0.0454
19:01-20:00, Sat., 23 Feb. 0.0481 0.0414 0.0451
18:01-19:00, Sat., 23 Feb. 0.0478 0.0417 0.0448
17:01-18:00, Sat., 23 Feb. 0.0503 0.0426 0.0450
16:01-17:00, Sat., 23 Feb. 0.0488 0.0412 0.0449
15:01-16:00, Sat., 23 Feb. 0.0495 0.0418 0.0453
14:01-15:00, Sat., 23 Feb. 0.0498 0.0413 0.0456
13:01-14:00, Sat., 23 Feb. 0.0481 0.0423 0.0456
12:01-13:00, Sat., 23 Feb. 0.0483 0.0428 0.0453
11:01-12:00, Sat., 23 Feb. 0.0491 0.0417 0.0453
10:01-11:00, Sat., 23 Feb. 0.0500 0.0414 0.0451
09:01-10:00, Sat., 23 Feb. 0.0474 0.0409 0.0448
08:01-09:00, Sat., 23 Feb. 0.0487 0.0423 0.0451
07:01-08:00, Sat., 23 Feb. 0.0482 0.0403 0.0448
06:01-07:00, Sat., 23 Feb. 0.0479 0.0392 0.0445
05:01-06:00, Sat., 23 Feb. 0.0489 0.0416 0.0451
04:01-05:00, Sat., 23 Feb. 0.0478 0.0419 0.0453
03:01-04:00, Sat., 23 Feb. 0.0492 0.0428 0.0455
02:01-03:00, Sat., 23 Feb. 0.0479 0.0423 0.0455
01:01-02:00, Sat., 23 Feb. 0.0505 0.0417 0.0458
00:01-01:00, Sat., 23 Feb. 0.0492 0.0422 0.0458
23:01-24:00, Fri., 22 Feb. 0.0482 0.0409 0.0452
22:01-23:00, Fri., 22 Feb. 0.0483 0.0423 0.0453
21:01-22:00, Fri., 22 Feb. 0.0503 0.0423 0.0457
20:01-21:00, Fri., 22 Feb. 0.0503 0.0426 0.0458
19:01-20:00, Fri., 22 Feb. 0.0479 0.0416 0.0452
18:01-19:00, Fri., 22 Feb. 0.0479 0.0411 0.0449
17:01-18:00, Fri., 22 Feb. 0.0482 0.0418 0.0451
16:01-17:00, Fri., 22 Feb. 0.0488 0.0422 0.0453
15:01-16:00, Fri., 22 Feb. 0.0485 0.0418 0.0454
14:01-15:00, Fri., 22 Feb. 0.0487 0.0429 0.0456
13:01-14:00, Fri., 22 Feb. 0.0487 0.0425 0.0461
12:01-13:00, Fri., 22 Feb. 0.0488 0.0413 0.0459
11:01-12:00, Fri., 22 Feb. 0.0485 0.0431 0.0455
10:01-11:00, Fri., 22 Feb. 0.0497 0.0434 0.0458
09:01-10:00, Fri., 22 Feb. 0.0488 0.0420 0.0462
08:01-09:00, Fri., 22 Feb. 0.0498 0.0427 0.0464
07:01-08:00, Fri., 22 Feb. 0.0493 0.0423 0.0461
06:01-07:00, Fri., 22 Feb. 0.0494 0.0431 0.0459
05:01-06:00, Fri., 22 Feb. 0.0502 0.0415 0.0459
04:01-05:00, Fri., 22 Feb. 0.0493 0.0430 0.0461
03:01-04:00, Fri., 22 Feb. 0.0486 0.0424 0.0455
02:01-03:00, Fri., 22 Feb. 0.0491 0.0424 0.0457
01:01-02:00, Fri., 22 Feb. 0.0485 0.0415 0.0453
00:01-01:00, Fri., 22 Feb. 0.0498 0.0415 0.0455
23:01-24:00, Thu., 21 Feb. 0.0500 0.0420 0.0452
22:01-23:00, Thu., 21 Feb. 0.0486 0.0418 0.0454
21:01-22:00, Thu., 21 Feb. 0.0485 0.0422 0.0453
20:01-21:00, Thu., 21 Feb. 0.0487 0.0419 0.0454
19:01-20:00, Thu., 21 Feb. 0.0497 0.0411 0.0456
18:01-19:00, Thu., 21 Feb. 0.0488 0.0407 0.0450
17:01-18:00, Thu., 21 Feb. 0.0484 0.0414 0.0449
16:01-17:00, Thu., 21 Feb. 0.0487 0.0411 0.0453
15:01-16:00, Thu., 21 Feb. 0.0490 0.0418 0.0455
14:01-15:00, Thu., 21 Feb. 0.0504 0.0418 0.0459
13:01-14:00, Thu., 21 Feb. 0.0490 0.0423 0.0459
12:01-13:00, Thu., 21 Feb. 0.0490 0.0432 0.0455
11:01-12:00, Thu., 21 Feb. 0.0484 0.0424 0.0454
10:01-11:00, Thu., 21 Feb. 0.0486 0.0405 0.0458
09:01-10:00, Thu., 21 Feb. 0.0490 0.0420 0.0455
08:01-09:00, Thu., 21 Feb. 0.0488 0.0427 0.0455
07:01-08:00, Thu., 21 Feb. 0.0484 0.0429 0.0453
06:01-07:00, Thu., 21 Feb. 0.0475 0.0426 0.0453
05:01-06:00, Thu., 21 Feb. 0.0493 0.0427 0.0452
04:01-05:00, Thu., 21 Feb. 0.0478 0.0421 0.0453
03:01-04:00, Thu., 21 Feb. 0.0490 0.0421 0.0454
02:01-03:00, Thu., 21 Feb. 0.0489 0.0426 0.0455
01:01-02:00, Thu., 21 Feb. 0.0491 0.0422 0.0451
00:01-01:00, Thu., 21 Feb. 0.0485 0.0425 0.0452
23:01-24:00, Wed., 20 Feb. 0.0489 0.0425 0.0453
22:01-23:00, Wed., 20 Feb. 0.0492 0.0415 0.0453
21:01-22:00, Wed., 20 Feb. 0.0478 0.0423 0.0449
20:01-21:00, Wed., 20 Feb. 0.0497 0.0417 0.0454
19:01-20:00, Wed., 20 Feb. 0.0483 0.0411 0.0452
18:01-19:00, Wed., 20 Feb. 0.0501 0.0418 0.0451
17:01-18:00, Wed., 20 Feb. 0.0479 0.0413 0.0448
16:01-17:00, Wed., 20 Feb. 0.0480 0.0418 0.0452
15:01-16:00, Wed., 20 Feb. 0.0487 0.0425 0.0455
14:01-15:00, Wed., 20 Feb. 0.0478 0.0407 0.0458
13:01-14:00, Wed., 20 Feb. 0.0494 0.0427 0.0458
12:01-13:00, Wed., 20 Feb. 0.0489 0.0433 0.0459
11:01-12:00, Wed., 20 Feb. 0.0498 0.0428 0.0458
10:01-11:00, Wed., 20 Feb. 0.0494 0.0428 0.0456
09:01-10:00, Wed., 20 Feb. 0.0498 0.0422 0.0453
08:01-09:00, Wed., 20 Feb. 0.0488 0.0419 0.0453
07:01-08:00, Wed., 20 Feb. 0.0485 0.0423 0.0456
06:01-07:00, Wed., 20 Feb. 0.0483 0.0417 0.0451
05:01-06:00, Wed., 20 Feb. 0.0480 0.0417 0.0454
04:01-05:00, Wed., 20 Feb. 0.0482 0.0417 0.0450
03:01-04:00, Wed., 20 Feb. 0.0489 0.0421 0.0449
02:01-03:00, Wed., 20 Feb. 0.0472 0.0408 0.0447
01:01-02:00, Wed., 20 Feb. 0.0483 0.0418 0.0450
00:01-01:00, Wed., 20 Feb. 0.0476 0.0405 0.0449
23:01-24:00, Tue., 19 Feb. 0.0490 0.0416 0.0449
22:01-23:00, Tue., 19 Feb. 0.0479 0.0424 0.0454
21:01-22:00, Tue., 19 Feb. 0.0482 0.0423 0.0450
20:01-21:00, Tue., 19 Feb. 0.0488 0.0419 0.0451
19:01-20:00, Tue., 19 Feb. 0.0479 0.0421 0.0453
18:01-19:00, Tue., 19 Feb. 0.0498 0.0427 0.0455
17:01-18:00, Tue., 19 Feb. 0.0490 0.0426 0.0459
16:01-17:00, Tue., 19 Feb. 0.0490 0.0433 0.0462
15:01-16:00, Tue., 19 Feb. 0.0504 0.0448 0.0475
14:01-15:00, Tue., 19 Feb. 0.0550 0.0461 0.0495
13:01-14:00, Tue., 19 Feb. 0.0616 0.0507 0.0555
12:01-13:00, Tue., 19 Feb. 0.0666 0.0560 0.0607
11:01-12:00, Tue., 19 Feb. 0.0596 0.0467 0.0540
10:01-11:00, Tue., 19 Feb. 0.0527 0.0437 0.0475
09:01-10:00, Tue., 19 Feb. 0.0509 0.0417 0.0477
08:01-09:00, Tue., 19 Feb. 0.0504 0.0431 0.0468
07:01-08:00, Tue., 19 Feb. 0.0484 0.0438 0.0460
06:01-07:00, Tue., 19 Feb. 0.0487 0.0423 0.0457
05:01-06:00, Tue., 19 Feb. 0.0486 0.0425 0.0454
04:01-05:00, Tue., 19 Feb. 0.0500 0.0421 0.0460
03:01-04:00, Tue., 19 Feb. 0.0477 0.0434 0.0454
02:01-03:00, Tue., 19 Feb. 0.0489 0.0412 0.0454
01:01-02:00, Tue., 19 Feb. 0.0495 0.0427 0.0457
00:01-01:00, Tue., 19 Feb. 0.0485 0.0432 0.0455
23:01-24:00, Mon., 18 Feb. 0.0484 0.0431 0.0457
22:01-23:00, Mon., 18 Feb. 0.0485 0.0431 0.0459
21:01-22:00, Mon., 18 Feb. 0.0500 0.0423 0.0465
20:01-21:00, Mon., 18 Feb. 0.0494 0.0437 0.0461
19:01-20:00, Mon., 18 Feb. 0.0498 0.0420 0.0457
18:01-19:00, Mon., 18 Feb. 0.0493 0.0439 0.0463
17:01-18:00, Mon., 18 Feb. 0.0494 0.0440 0.0464
16:01-17:00, Mon., 18 Feb. 0.0515 0.0439 0.0476
15:01-16:00, Mon., 18 Feb. 0.0498 0.0417 0.0466
14:01-15:00, Mon., 18 Feb. 0.0504 0.0436 0.0471
13:01-14:00, Mon., 18 Feb. 0.0504 0.0435 0.0470
12:01-13:00, Mon., 18 Feb. 0.0507 0.0438 0.0470
11:01-12:00, Mon., 18 Feb. 0.0493 0.0420 0.0462
10:01-11:00, Mon., 18 Feb. 0.0490 0.0426 0.0459
09:01-10:00, Mon., 18 Feb. 0.0490 0.0427 0.0459
08:01-09:00, Mon., 18 Feb. 0.0501 0.0433 0.0462
07:01-08:00, Mon., 18 Feb. 0.0491 0.0429 0.0460
06:01-07:00, Mon., 18 Feb. 0.0488 0.0429 0.0458
05:01-06:00, Mon., 18 Feb. 0.0486 0.0427 0.0457
04:01-05:00, Mon., 18 Feb. 0.0486 0.0430 0.0460
03:01-04:00, Mon., 18 Feb. 0.0480 0.0422 0.0456
02:01-03:00, Mon., 18 Feb. 0.0496 0.0414 0.0458
01:01-02:00, Mon., 18 Feb. 0.0483 0.0426 0.0457
00:01-01:00, Mon., 18 Feb. 0.0486 0.0415 0.0453