Measurement results by the hour (Shinjuku) 25 Feb., 2013 - 3 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., 03 Mar. 0.0476 0.0414 0.0448
22:01-23:00, Sun., 03 Mar. 0.0475 0.0418 0.0447
21:01-22:00, Sun., 03 Mar. 0.0484 0.0425 0.0452
20:01-21:00, Sun., 03 Mar. 0.0478 0.0419 0.0449
19:01-20:00, Sun., 03 Mar. 0.0481 0.0424 0.0451
18:01-19:00, Sun., 03 Mar. 0.0495 0.0412 0.0454
17:01-18:00, Sun., 03 Mar. 0.0482 0.0420 0.0454
16:01-17:00, Sun., 03 Mar. 0.0491 0.0430 0.0455
15:01-16:00, Sun., 03 Mar. 0.0489 0.0422 0.0454
14:01-15:00, Sun., 03 Mar. 0.0486 0.0424 0.0453
13:01-14:00, Sun., 03 Mar. 0.0483 0.0419 0.0453
12:01-13:00, Sun., 03 Mar. 0.0483 0.0406 0.0452
11:01-12:00, Sun., 03 Mar. 0.0490 0.0421 0.0453
10:01-11:00, Sun., 03 Mar. 0.0479 0.0411 0.0451
09:01-10:00, Sun., 03 Mar. 0.0487 0.0413 0.0450
08:01-09:00, Sun., 03 Mar. 0.0490 0.0422 0.0455
07:01-08:00, Sun., 03 Mar. 0.0480 0.0424 0.0453
06:01-07:00, Sun., 03 Mar. 0.0491 0.0422 0.0453
05:01-06:00, Sun., 03 Mar. 0.0494 0.0423 0.0453
04:01-05:00, Sun., 03 Mar. 0.0485 0.0426 0.0457
03:01-04:00, Sun., 03 Mar. 0.0490 0.0421 0.0455
02:01-03:00, Sun., 03 Mar. 0.0488 0.0418 0.0453
01:01-02:00, Sun., 03 Mar. 0.0494 0.0426 0.0456
00:01-01:00, Sun., 03 Mar. 0.0494 0.0431 0.0460
23:01-24:00, Sat., 02 Mar. 0.0495 0.0418 0.0461
22:01-23:00, Sat., 02 Mar. 0.0491 0.0432 0.0462
21:01-22:00, Sat., 02 Mar. 0.0498 0.0426 0.0457
20:01-21:00, Sat., 02 Mar. 0.0492 0.0433 0.0459
19:01-20:00, Sat., 02 Mar. 0.0514 0.0411 0.0460
18:01-19:00, Sat., 02 Mar. 0.0490 0.0421 0.0458
17:01-18:00, Sat., 02 Mar. 0.0497 0.0419 0.0457
16:01-17:00, Sat., 02 Mar. 0.0487 0.0425 0.0457
15:01-16:00, Sat., 02 Mar. 0.0492 0.0420 0.0458
14:01-15:00, Sat., 02 Mar. 0.0499 0.0398 0.0458
13:01-14:00, Sat., 02 Mar. 0.0487 0.0429 0.0459
12:01-13:00, Sat., 02 Mar. 0.0493 0.0435 0.0462
11:01-12:00, Sat., 02 Mar. 0.0491 0.0417 0.0464
10:01-11:00, Sat., 02 Mar. 0.0482 0.0429 0.0459
09:01-10:00, Sat., 02 Mar. 0.0490 0.0434 0.0458
08:01-09:00, Sat., 02 Mar. 0.0497 0.0420 0.0458
07:01-08:00, Sat., 02 Mar. 0.0490 0.0418 0.0457
06:01-07:00, Sat., 02 Mar. 0.0497 0.0414 0.0457
05:01-06:00, Sat., 02 Mar. 0.0492 0.0427 0.0454
04:01-05:00, Sat., 02 Mar. 0.0484 0.0422 0.0457
03:01-04:00, Sat., 02 Mar. 0.0495 0.0417 0.0460
02:01-03:00, Sat., 02 Mar. 0.0488 0.0412 0.0452
01:01-02:00, Sat., 02 Mar. 0.0487 0.0430 0.0456
00:01-01:00, Sat., 02 Mar. 0.0501 0.0429 0.0464
23:01-24:00, Fri., 01 Mar. 0.0537 0.0446 0.0488
22:01-23:00, Fri., 01 Mar. 0.0591 0.0492 0.0544
21:01-22:00, Fri., 01 Mar. 0.0599 0.0492 0.0535
20:01-21:00, Fri., 01 Mar. 0.0545 0.0442 0.0497
19:01-20:00, Fri., 01 Mar. 0.0490 0.0414 0.0458
18:01-19:00, Fri., 01 Mar. 0.0480 0.0413 0.0451
17:01-18:00, Fri., 01 Mar. 0.0488 0.0421 0.0452
16:01-17:00, Fri., 01 Mar. 0.0490 0.0410 0.0451
15:01-16:00, Fri., 01 Mar. 0.0477 0.0423 0.0449
14:01-15:00, Fri., 01 Mar. 0.0488 0.0416 0.0452
13:01-14:00, Fri., 01 Mar. 0.0481 0.0420 0.0452
12:01-13:00, Fri., 01 Mar. 0.0488 0.0421 0.0451
11:01-12:00, Fri., 01 Mar. 0.0477 0.0415 0.0446
10:01-11:00, Fri., 01 Mar. 0.0477 0.0417 0.0450
09:01-10:00, Fri., 01 Mar. 0.0477 0.0426 0.0448
08:01-09:00, Fri., 01 Mar. 0.0482 0.0416 0.0451
07:01-08:00, Fri., 01 Mar. 0.0485 0.0417 0.0451
06:01-07:00, Fri., 01 Mar. 0.0487 0.0420 0.0455
05:01-06:00, Fri., 01 Mar. 0.0497 0.0416 0.0450
04:01-05:00, Fri., 01 Mar. 0.0507 0.0411 0.0458
03:01-04:00, Fri., 01 Mar. 0.0480 0.0419 0.0453
02:01-03:00, Fri., 01 Mar. 0.0483 0.0407 0.0451
01:01-02:00, Fri., 01 Mar. 0.0479 0.0419 0.0447
00:01-01:00, Fri., 01 Mar. 0.0475 0.0412 0.0448
23:01-24:00, Thu., 28 Feb. 0.0490 0.0398 0.0446
22:01-23:00, Thu., 28 Feb. 0.0475 0.0428 0.0450
21:01-22:00, Thu., 28 Feb. 0.0477 0.0420 0.0448
20:01-21:00, Thu., 28 Feb. 0.0497 0.0420 0.0448
19:01-20:00, Thu., 28 Feb. 0.0493 0.0417 0.0448
18:01-19:00, Thu., 28 Feb. 0.0488 0.0424 0.0449
17:01-18:00, Thu., 28 Feb. 0.0484 0.0418 0.0450
16:01-17:00, Thu., 28 Feb. 0.0491 0.0418 0.0455
15:01-16:00, Thu., 28 Feb. 0.0496 0.0417 0.0454
14:01-15:00, Thu., 28 Feb. 0.0486 0.0428 0.0455
13:01-14:00, Thu., 28 Feb. 0.0493 0.0415 0.0455
12:01-13:00, Thu., 28 Feb. 0.0493 0.0422 0.0455
11:01-12:00, Thu., 28 Feb. 0.0493 0.0430 0.0457
10:01-11:00, Thu., 28 Feb. 0.0477 0.0425 0.0456
09:01-10:00, Thu., 28 Feb. 0.0490 0.0431 0.0459
08:01-09:00, Thu., 28 Feb. 0.0505 0.0426 0.0459
07:01-08:00, Thu., 28 Feb. 0.0496 0.0426 0.0461
06:01-07:00, Thu., 28 Feb. 0.0503 0.0434 0.0463
05:01-06:00, Thu., 28 Feb. 0.0512 0.0427 0.0467
04:01-05:00, Thu., 28 Feb. 0.0512 0.0425 0.0463
03:01-04:00, Thu., 28 Feb. 0.0494 0.0426 0.0461
02:01-03:00, Thu., 28 Feb. 0.0491 0.0426 0.0454
01:01-02:00, Thu., 28 Feb. 0.0474 0.0417 0.0453
00:01-01:00, Thu., 28 Feb. 0.0495 0.0418 0.0453
23:01-24:00, Wed., 27 Feb. 0.0499 0.0409 0.0453
22:01-23:00, Wed., 27 Feb. 0.0481 0.0420 0.0448
21:01-22:00, Wed., 27 Feb. 0.0482 0.0402 0.0447
20:01-21:00, Wed., 27 Feb. 0.0480 0.0409 0.0446
19:01-20:00, Wed., 27 Feb. 0.0487 0.0418 0.0449
18:01-19:00, Wed., 27 Feb. 0.0471 0.0409 0.0446
17:01-18:00, Wed., 27 Feb. 0.0486 0.0413 0.0448
16:01-17:00, Wed., 27 Feb. 0.0489 0.0421 0.0450
15:01-16:00, Wed., 27 Feb. 0.0481 0.0413 0.0447
14:01-15:00, Wed., 27 Feb. 0.0501 0.0417 0.0451
13:01-14:00, Wed., 27 Feb. 0.0495 0.0419 0.0452
12:01-13:00, Wed., 27 Feb. 0.0488 0.0424 0.0454
11:01-12:00, Wed., 27 Feb. 0.0504 0.0425 0.0465
10:01-11:00, Wed., 27 Feb. 0.0517 0.0437 0.0470
09:01-10:00, Wed., 27 Feb. 0.0519 0.0440 0.0478
08:01-09:00, Wed., 27 Feb. 0.0506 0.0432 0.0470
07:01-08:00, Wed., 27 Feb. 0.0508 0.0437 0.0478
06:01-07:00, Wed., 27 Feb. 0.0517 0.0455 0.0483
05:01-06:00, Wed., 27 Feb. 0.0512 0.0435 0.0474
04:01-05:00, Wed., 27 Feb. 0.0499 0.0442 0.0476
03:01-04:00, Wed., 27 Feb. 0.0507 0.0435 0.0470
02:01-03:00, Wed., 27 Feb. 0.0526 0.0440 0.0474
01:01-02:00, Wed., 27 Feb. 0.0498 0.0430 0.0461
00:01-01:00, Wed., 27 Feb. 0.0503 0.0420 0.0455
23:01-24:00, Tue., 26 Feb. 0.0475 0.0424 0.0448
22:01-23:00, Tue., 26 Feb. 0.0492 0.0408 0.0450
21:01-22:00, Tue., 26 Feb. 0.0476 0.0406 0.0442
20:01-21:00, Tue., 26 Feb. 0.0484 0.0417 0.0446
19:01-20:00, Tue., 26 Feb. 0.0480 0.0401 0.0446
18:01-19:00, Tue., 26 Feb. 0.0485 0.0407 0.0441
17:01-18:00, Tue., 26 Feb. 0.0489 0.0404 0.0443
16:01-17:00, Tue., 26 Feb. 0.0482 0.0414 0.0448
15:01-16:00, Tue., 26 Feb. 0.0481 0.0405 0.0453
14:01-15:00, Tue., 26 Feb. 0.0495 0.0422 0.0454
13:01-14:00, Tue., 26 Feb. 0.0485 0.0422 0.0452
12:01-13:00, Tue., 26 Feb. 0.0506 0.0425 0.0453
11:01-12:00, Tue., 26 Feb. 0.0483 0.0418 0.0454
10:01-11:00, Tue., 26 Feb. 0.0480 0.0416 0.0447
09:01-10:00, Tue., 26 Feb. 0.0475 0.0412 0.0447
08:01-09:00, Tue., 26 Feb. 0.0483 0.0421 0.0452
07:01-08:00, Tue., 26 Feb. 0.0482 0.0425 0.0447
06:01-07:00, Tue., 26 Feb. 0.0486 0.0421 0.0450
05:01-06:00, Tue., 26 Feb. 0.0485 0.0419 0.0451
04:01-05:00, Tue., 26 Feb. 0.0481 0.0428 0.0448
03:01-04:00, Tue., 26 Feb. 0.0472 0.0422 0.0448
02:01-03:00, Tue., 26 Feb. 0.0480 0.0425 0.0450
01:01-02:00, Tue., 26 Feb. 0.0473 0.0422 0.0447
00:01-01:00, Tue., 26 Feb. 0.0478 0.0422 0.0445
23:01-24:00, Mon., 25 Feb. 0.0481 0.0414 0.0447
22:01-23:00, Mon., 25 Feb. 0.0482 0.0415 0.0446
21:01-22:00, Mon., 25 Feb. 0.0470 0.0412 0.0446
20:01-21:00, Mon., 25 Feb. 0.0501 0.0411 0.0447
19:01-20:00, Mon., 25 Feb. 0.0485 0.0407 0.0448
18:01-19:00, Mon., 25 Feb. 0.0470 0.0415 0.0446
17:01-18:00, Mon., 25 Feb. 0.0466 0.0419 0.0444
16:01-17:00, Mon., 25 Feb. 0.0470 0.0416 0.0444
15:01-16:00, Mon., 25 Feb. 0.0477 0.0409 0.0448
14:01-15:00, Mon., 25 Feb. 0.0483 0.0416 0.0449
13:01-14:00, Mon., 25 Feb. 0.0470 0.0414 0.0449
12:01-13:00, Mon., 25 Feb. 0.0479 0.0423 0.0450
11:01-12:00, Mon., 25 Feb. 0.0488 0.0422 0.0449
10:01-11:00, Mon., 25 Feb. 0.0488 0.0422 0.0453
09:01-10:00, Mon., 25 Feb. 0.0486 0.0418 0.0452
08:01-09:00, Mon., 25 Feb. 0.0484 0.0412 0.0455
07:01-08:00, Mon., 25 Feb. 0.0481 0.0423 0.0451
06:01-07:00, Mon., 25 Feb. 0.0471 0.0417 0.0445
05:01-06:00, Mon., 25 Feb. 0.0481 0.0410 0.0448
04:01-05:00, Mon., 25 Feb. 0.0490 0.0417 0.0448
03:01-04:00, Mon., 25 Feb. 0.0489 0.0407 0.0445
02:01-03:00, Mon., 25 Feb. 0.0487 0.0417 0.0447
01:01-02:00, Mon., 25 Feb. 0.0474 0.0417 0.0448
00:01-01:00, Mon., 25 Feb. 0.0478 0.0414 0.0447