Measurement results by the hour (Shinjuku) 31 Dec., 2012 - 6 Jan., 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., 06 Jan. 0.0498 0.0420 0.0457
22:01-23:00, Sun., 06 Jan. 0.0485 0.0426 0.0455
21:01-22:00, Sun., 06 Jan. 0.0500 0.0418 0.0462
20:01-21:00, Sun., 06 Jan. 0.0490 0.0426 0.0460
19:01-20:00, Sun., 06 Jan. 0.0490 0.0414 0.0455
18:01-19:00, Sun., 06 Jan. 0.0478 0.0415 0.0454
17:01-18:00, Sun., 06 Jan. 0.0481 0.0424 0.0457
16:01-17:00, Sun., 06 Jan. 0.0493 0.0425 0.0452
15:01-16:00, Sun., 06 Jan. 0.0494 0.0424 0.0455
14:01-15:00, Sun., 06 Jan. 0.0501 0.0427 0.0457
13:01-14:00, Sun., 06 Jan. 0.0490 0.0425 0.0460
12:01-13:00, Sun., 06 Jan. 0.0500 0.0429 0.0463
11:01-12:00, Sun., 06 Jan. 0.0510 0.0434 0.0470
10:01-11:00, Sun., 06 Jan. 0.0501 0.0439 0.0467
09:01-10:00, Sun., 06 Jan. 0.0496 0.0433 0.0464
08:01-09:00, Sun., 06 Jan. 0.0505 0.0438 0.0470
07:01-08:00, Sun., 06 Jan. 0.0516 0.0446 0.0473
06:01-07:00, Sun., 06 Jan. 0.0505 0.0441 0.0468
05:01-06:00, Sun., 06 Jan. 0.0498 0.0421 0.0466
04:01-05:00, Sun., 06 Jan. 0.0509 0.0441 0.0465
03:01-04:00, Sun., 06 Jan. 0.0495 0.0428 0.0464
02:01-03:00, Sun., 06 Jan. 0.0482 0.0435 0.0460
01:01-02:00, Sun., 06 Jan. 0.0496 0.0432 0.0460
00:01-01:00, Sun., 06 Jan. 0.0483 0.0433 0.0458
23:01-24:00, Sat., 05 Jan. 0.0487 0.0423 0.0458
22:01-23:00, Sat., 05 Jan. 0.0488 0.0433 0.0462
21:01-22:00, Sat., 05 Jan. 0.0492 0.0416 0.0457
20:01-21:00, Sat., 05 Jan. 0.0486 0.0423 0.0457
19:01-20:00, Sat., 05 Jan. 0.0508 0.0427 0.0457
18:01-19:00, Sat., 05 Jan. 0.0491 0.0428 0.0461
17:01-18:00, Sat., 05 Jan. 0.0482 0.0429 0.0455
16:01-17:00, Sat., 05 Jan. 0.0480 0.0424 0.0456
15:01-16:00, Sat., 05 Jan. 0.0487 0.0417 0.0455
14:01-15:00, Sat., 05 Jan. 0.0488 0.0428 0.0450
13:01-14:00, Sat., 05 Jan. 0.0487 0.0430 0.0457
12:01-13:00, Sat., 05 Jan. 0.0491 0.0429 0.0453
11:01-12:00, Sat., 05 Jan. 0.0492 0.0418 0.0458
10:01-11:00, Sat., 05 Jan. 0.0483 0.0431 0.0456
09:01-10:00, Sat., 05 Jan. 0.0490 0.0427 0.0458
08:01-09:00, Sat., 05 Jan. 0.0481 0.0427 0.0455
07:01-08:00, Sat., 05 Jan. 0.0490 0.0423 0.0453
06:01-07:00, Sat., 05 Jan. 0.0494 0.0414 0.0454
05:01-06:00, Sat., 05 Jan. 0.0487 0.0418 0.0454
04:01-05:00, Sat., 05 Jan. 0.0485 0.0414 0.0451
03:01-04:00, Sat., 05 Jan. 0.0487 0.0411 0.0452
02:01-03:00, Sat., 05 Jan. 0.0485 0.0433 0.0456
01:01-02:00, Sat., 05 Jan. 0.0489 0.0432 0.0458
00:01-01:00, Sat., 05 Jan. 0.0490 0.0407 0.0455
23:01-24:00, Fri., 04 Jan. 0.0483 0.0424 0.0453
22:01-23:00, Fri., 04 Jan. 0.0486 0.0415 0.0453
21:01-22:00, Fri., 04 Jan. 0.0481 0.0395 0.0450
20:01-21:00, Fri., 04 Jan. 0.0491 0.0416 0.0449
19:01-20:00, Fri., 04 Jan. 0.0489 0.0416 0.0451
18:01-19:00, Fri., 04 Jan. 0.0489 0.0408 0.0451
17:01-18:00, Fri., 04 Jan. 0.0481 0.0412 0.0451
16:01-17:00, Fri., 04 Jan. 0.0488 0.0429 0.0457
15:01-16:00, Fri., 04 Jan. 0.0480 0.0428 0.0457
14:01-15:00, Fri., 04 Jan. 0.0485 0.0420 0.0454
13:01-14:00, Fri., 04 Jan. 0.0494 0.0429 0.0453
12:01-13:00, Fri., 04 Jan. 0.0491 0.0414 0.0452
11:01-12:00, Fri., 04 Jan. 0.0496 0.0410 0.0454
10:01-11:00, Fri., 04 Jan. 0.0482 0.0416 0.0451
09:01-10:00, Fri., 04 Jan. 0.0501 0.0423 0.0456
08:01-09:00, Fri., 04 Jan. 0.0487 0.0426 0.0456
07:01-08:00, Fri., 04 Jan. 0.0486 0.0427 0.0454
06:01-07:00, Fri., 04 Jan. 0.0490 0.0417 0.0456
05:01-06:00, Fri., 04 Jan. 0.0495 0.0426 0.0456
04:01-05:00, Fri., 04 Jan. 0.0492 0.0425 0.0462
03:01-04:00, Fri., 04 Jan. 0.0509 0.0419 0.0458
02:01-03:00, Fri., 04 Jan. 0.0497 0.0432 0.0461
01:01-02:00, Fri., 04 Jan. 0.0503 0.0421 0.0458
00:01-01:00, Fri., 04 Jan. 0.0490 0.0422 0.0458
23:01-24:00, Thu., 03 Jan. 0.0490 0.0433 0.0464
22:01-23:00, Thu., 03 Jan. 0.0490 0.0421 0.0457
21:01-22:00, Thu., 03 Jan. 0.0498 0.0429 0.0459
20:01-21:00, Thu., 03 Jan. 0.0494 0.0429 0.0454
19:01-20:00, Thu., 03 Jan. 0.0487 0.0414 0.0452
18:01-19:00, Thu., 03 Jan. 0.0503 0.0417 0.0458
17:01-18:00, Thu., 03 Jan. 0.0492 0.0420 0.0459
16:01-17:00, Thu., 03 Jan. 0.0486 0.0423 0.0459
15:01-16:00, Thu., 03 Jan. 0.0505 0.0431 0.0459
14:01-15:00, Thu., 03 Jan. 0.0490 0.0419 0.0458
13:01-14:00, Thu., 03 Jan. 0.0497 0.0424 0.0459
12:01-13:00, Thu., 03 Jan. 0.0497 0.0423 0.0460
11:01-12:00, Thu., 03 Jan. 0.0508 0.0428 0.0461
10:01-11:00, Thu., 03 Jan. 0.0503 0.0421 0.0459
09:01-10:00, Thu., 03 Jan. 0.0491 0.0421 0.0458
08:01-09:00, Thu., 03 Jan. 0.0494 0.0433 0.0459
07:01-08:00, Thu., 03 Jan. 0.0506 0.0425 0.0460
06:01-07:00, Thu., 03 Jan. 0.0492 0.0417 0.0457
05:01-06:00, Thu., 03 Jan. 0.0485 0.0422 0.0454
04:01-05:00, Thu., 03 Jan. 0.0486 0.0426 0.0457
03:01-04:00, Thu., 03 Jan. 0.0496 0.0417 0.0457
02:01-03:00, Thu., 03 Jan. 0.0495 0.0410 0.0456
01:01-02:00, Thu., 03 Jan. 0.0492 0.0413 0.0456
00:01-01:00, Thu., 03 Jan. 0.0502 0.0429 0.0460
23:01-24:00, Wed., 02 Jan. 0.0497 0.0431 0.0459
22:01-23:00, Wed., 02 Jan. 0.0498 0.0422 0.0461
21:01-22:00, Wed., 02 Jan. 0.0497 0.0423 0.0458
20:01-21:00, Wed., 02 Jan. 0.0487 0.0419 0.0456
19:01-20:00, Wed., 02 Jan. 0.0480 0.0439 0.0459
18:01-19:00, Wed., 02 Jan. 0.0482 0.0431 0.0458
17:01-18:00, Wed., 02 Jan. 0.0494 0.0406 0.0458
16:01-17:00, Wed., 02 Jan. 0.0489 0.0435 0.0460
15:01-16:00, Wed., 02 Jan. 0.0487 0.0422 0.0457
14:01-15:00, Wed., 02 Jan. 0.0482 0.0423 0.0455
13:01-14:00, Wed., 02 Jan. 0.0498 0.0430 0.0458
12:01-13:00, Wed., 02 Jan. 0.0490 0.0420 0.0457
11:01-12:00, Wed., 02 Jan. 0.0483 0.0428 0.0457
10:01-11:00, Wed., 02 Jan. 0.0492 0.0425 0.0456
09:01-10:00, Wed., 02 Jan. 0.0506 0.0410 0.0453
08:01-09:00, Wed., 02 Jan. 0.0484 0.0432 0.0458
07:01-08:00, Wed., 02 Jan. 0.0486 0.0420 0.0459
06:01-07:00, Wed., 02 Jan. 0.0492 0.0432 0.0462
05:01-06:00, Wed., 02 Jan. 0.0496 0.0425 0.0457
04:01-05:00, Wed., 02 Jan. 0.0481 0.0423 0.0456
03:01-04:00, Wed., 02 Jan. 0.0493 0.0427 0.0458
02:01-03:00, Wed., 02 Jan. 0.0484 0.0429 0.0456
01:01-02:00, Wed., 02 Jan. 0.0490 0.0426 0.0460
00:01-01:00, Wed., 02 Jan. 0.0486 0.0429 0.0459
23:01-24:00, Tue., 01 Jan. 0.0488 0.0431 0.0460
22:01-23:00, Tue., 01 Jan. 0.0492 0.0425 0.0458
21:01-22:00, Tue., 01 Jan. 0.0476 0.0418 0.0456
20:01-21:00, Tue., 01 Jan. 0.0495 0.0419 0.0460
19:01-20:00, Tue., 01 Jan. 0.0488 0.0436 0.0457
18:01-19:00, Tue., 01 Jan. 0.0485 0.0428 0.0457
17:01-18:00, Tue., 01 Jan. 0.0491 0.0427 0.0454
16:01-17:00, Tue., 01 Jan. 0.0474 0.0419 0.0453
15:01-16:00, Tue., 01 Jan. 0.0479 0.0422 0.0453
14:01-15:00, Tue., 01 Jan. 0.0487 0.0420 0.0454
13:01-14:00, Tue., 01 Jan. 0.0493 0.0411 0.0456
12:01-13:00, Tue., 01 Jan. 0.0488 0.0428 0.0455
11:01-12:00, Tue., 01 Jan. 0.0491 0.0428 0.0458
10:01-11:00, Tue., 01 Jan. 0.0493 0.0418 0.0461
09:01-10:00, Tue., 01 Jan. 0.0497 0.0431 0.0465
08:01-09:00, Tue., 01 Jan. 0.0514 0.0427 0.0466
07:01-08:00, Tue., 01 Jan. 0.0506 0.0431 0.0460
06:01-07:00, Tue., 01 Jan. 0.0507 0.0413 0.0462
05:01-06:00, Tue., 01 Jan. 0.0501 0.0403 0.0463
04:01-05:00, Tue., 01 Jan. 0.0488 0.0428 0.0459
03:01-04:00, Tue., 01 Jan. 0.0482 0.0419 0.0458
02:01-03:00, Tue., 01 Jan. 0.0487 0.0411 0.0456
01:01-02:00, Tue., 01 Jan. 0.0479 0.0418 0.0453
00:01-01:00, Tue., 01 Jan. 0.0494 0.0416 0.0458
23:01-24:00, Mon., 31 Dec. 0.0497 0.0427 0.0459
22:01-23:00, Mon., 31 Dec. 0.0487 0.0428 0.0457
21:01-22:00, Mon., 31 Dec. 0.0489 0.0425 0.0457
20:01-21:00, Mon., 31 Dec. 0.0490 0.0417 0.0457
19:01-20:00, Mon., 31 Dec. 0.0491 0.0425 0.0456
18:01-19:00, Mon., 31 Dec. 0.0486 0.0416 0.0455
17:01-18:00, Mon., 31 Dec. 0.0495 0.0425 0.0458
16:01-17:00, Mon., 31 Dec. 0.0491 0.0422 0.0460
15:01-16:00, Mon., 31 Dec. 0.0506 0.0436 0.0470
14:01-15:00, Mon., 31 Dec. 0.0518 0.0431 0.0471
13:01-14:00, Mon., 31 Dec. 0.0512 0.0433 0.0469
12:01-13:00, Mon., 31 Dec. 0.0510 0.0434 0.0469
11:01-12:00, Mon., 31 Dec. 0.0505 0.0436 0.0470
10:01-11:00, Mon., 31 Dec. 0.0502 0.0444 0.0473
09:01-10:00, Mon., 31 Dec. 0.0501 0.0435 0.0472
08:01-09:00, Mon., 31 Dec. 0.0502 0.0441 0.0470
07:01-08:00, Mon., 31 Dec. 0.0505 0.0442 0.0473
06:01-07:00, Mon., 31 Dec. 0.0527 0.0446 0.0472
05:01-06:00, Mon., 31 Dec. 0.0496 0.0427 0.0465
04:01-05:00, Mon., 31 Dec. 0.0495 0.0427 0.0464
03:01-04:00, Mon., 31 Dec. 0.0501 0.0427 0.0465
02:01-03:00, Mon., 31 Dec. 0.0498 0.0428 0.0462
01:01-02:00, Mon., 31 Dec. 0.0498 0.0436 0.0465
00:01-01:00, Mon., 31 Dec. 0.0488 0.0430 0.0460