Measurement results by the hour (Shinjuku) 13 Feb., 2012 - 19 Feb., 2012

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., 19 Feb. 0.0553 0.0468 0.0506
22:01-23:00, Sun., 19 Feb. 0.0534 0.0465 0.0502
21:01-22:00, Sun., 19 Feb. 0.0532 0.0474 0.0503
20:01-21:00, Sun., 19 Feb. 0.0540 0.0474 0.0503
19:01-20:00, Sun., 19 Feb. 0.0539 0.0473 0.0503
18:01-19:00, Sun., 19 Feb. 0.0560 0.0469 0.0500
17:01-18:00, Sun., 19 Feb. 0.0533 0.0459 0.0498
16:01-17:00, Sun., 19 Feb. 0.0556 0.0465 0.0498
15:01-16:00, Sun., 19 Feb. 0.0554 0.0459 0.0502
14:01-15:00, Sun., 19 Feb. 0.0559 0.0478 0.0509
13:01-14:00, Sun., 19 Feb. 0.0552 0.0469 0.0513
12:01-13:00, Sun., 19 Feb. 0.0535 0.0473 0.0505
11:01-12:00, Sun., 19 Feb. 0.0539 0.0461 0.0505
10:01-11:00, Sun., 19 Feb. 0.0537 0.0470 0.0508
09:01-10:00, Sun., 19 Feb. 0.0547 0.0470 0.0507
08:01-09:00, Sun., 19 Feb. 0.0563 0.0475 0.0511
07:01-08:00, Sun., 19 Feb. 0.0542 0.0467 0.0507
06:01-07:00, Sun., 19 Feb. 0.0528 0.0477 0.0504
05:01-06:00, Sun., 19 Feb. 0.0530 0.0471 0.0502
04:01-05:00, Sun., 19 Feb. 0.0536 0.0464 0.0502
03:01-04:00, Sun., 19 Feb. 0.0534 0.0468 0.0496
02:01-03:00, Sun., 19 Feb. 0.0533 0.0463 0.0498
01:01-02:00, Sun., 19 Feb. 0.0531 0.0465 0.0500
00:01-01:00, Sun., 19 Feb. 0.0548 0.0473 0.0501
23:01-24:00, Sat., 18 Feb. 0.0533 0.0457 0.0493
22:01-23:00, Sat., 18 Feb. 0.0538 0.0465 0.0505
21:01-22:00, Sat., 18 Feb. 0.0543 0.0476 0.0506
20:01-21:00, Sat., 18 Feb. 0.0546 0.0467 0.0503
19:01-20:00, Sat., 18 Feb. 0.0541 0.0466 0.0504
18:01-19:00, Sat., 18 Feb. 0.0553 0.0463 0.0500
17:01-18:00, Sat., 18 Feb. 0.0553 0.0470 0.0503
16:01-17:00, Sat., 18 Feb. 0.0538 0.0450 0.0499
15:01-16:00, Sat., 18 Feb. 0.0546 0.0460 0.0501
14:01-15:00, Sat., 18 Feb. 0.0531 0.0468 0.0503
13:01-14:00, Sat., 18 Feb. 0.0533 0.0470 0.0506
12:01-13:00, Sat., 18 Feb. 0.0541 0.0459 0.0501
11:01-12:00, Sat., 18 Feb. 0.0548 0.0473 0.0506
10:01-11:00, Sat., 18 Feb. 0.0549 0.0481 0.0505
09:01-10:00, Sat., 18 Feb. 0.0527 0.0469 0.0505
08:01-09:00, Sat., 18 Feb. 0.0568 0.0479 0.0510
07:01-08:00, Sat., 18 Feb. 0.0533 0.0468 0.0504
06:01-07:00, Sat., 18 Feb. 0.0531 0.0474 0.0504
05:01-06:00, Sat., 18 Feb. 0.0541 0.0477 0.0509
04:01-05:00, Sat., 18 Feb. 0.0549 0.0484 0.0511
03:01-04:00, Sat., 18 Feb. 0.0546 0.0484 0.0519
02:01-03:00, Sat., 18 Feb. 0.0539 0.0475 0.0508
01:01-02:00, Sat., 18 Feb. 0.0580 0.0491 0.0525
00:01-01:00, Sat., 18 Feb. 0.0597 0.0506 0.0546
23:01-24:00, Fri., 17 Feb. 0.0584 0.0520 0.0552
22:01-23:00, Fri., 17 Feb. 0.0590 0.0508 0.0539
21:01-22:00, Fri., 17 Feb. 0.0616 0.0517 0.0566
20:01-21:00, Fri., 17 Feb. 0.0654 0.0558 0.0607
19:01-20:00, Fri., 17 Feb. 0.0639 0.0536 0.0585
18:01-19:00, Fri., 17 Feb. 0.0601 0.0513 0.0556
17:01-18:00, Fri., 17 Feb. 0.0544 0.0478 0.0512
16:01-17:00, Fri., 17 Feb. 0.0539 0.0463 0.0506
15:01-16:00, Fri., 17 Feb. 0.0547 0.0477 0.0510
14:01-15:00, Fri., 17 Feb. 0.0545 0.0469 0.0514
13:01-14:00, Fri., 17 Feb. 0.0540 0.0465 0.0510
12:01-13:00, Fri., 17 Feb. 0.0556 0.0474 0.0514
11:01-12:00, Fri., 17 Feb. 0.0554 0.0477 0.0513
10:01-11:00, Fri., 17 Feb. 0.0551 0.0474 0.0511
09:01-10:00, Fri., 17 Feb. 0.0546 0.0482 0.0512
08:01-09:00, Fri., 17 Feb. 0.0549 0.0473 0.0509
07:01-08:00, Fri., 17 Feb. 0.0532 0.0467 0.0508
06:01-07:00, Fri., 17 Feb. 0.0547 0.0475 0.0505
05:01-06:00, Fri., 17 Feb. 0.0538 0.0474 0.0505
04:01-05:00, Fri., 17 Feb. 0.0532 0.0464 0.0504
03:01-04:00, Fri., 17 Feb. 0.0543 0.0460 0.0504
02:01-03:00, Fri., 17 Feb. 0.0539 0.0478 0.0505
01:01-02:00, Fri., 17 Feb. 0.0542 0.0466 0.0504
00:01-01:00, Fri., 17 Feb. 0.0537 0.0465 0.0506
23:01-24:00, Thu., 16 Feb. 0.0561 0.0499 0.0522
22:01-23:00, Thu., 16 Feb. 0.0570 0.0472 0.0518
21:01-22:00, Thu., 16 Feb. 0.0551 0.0452 0.0504
20:01-21:00, Thu., 16 Feb. 0.0540 0.0472 0.0506
19:01-20:00, Thu., 16 Feb. 0.0557 0.0477 0.0513
18:01-19:00, Thu., 16 Feb. 0.0550 0.0479 0.0510
17:01-18:00, Thu., 16 Feb. 0.0544 0.0477 0.0506
16:01-17:00, Thu., 16 Feb. 0.0538 0.0481 0.0505
15:01-16:00, Thu., 16 Feb. 0.0534 0.0454 0.0501
14:01-15:00, Thu., 16 Feb. 0.0541 0.0462 0.0504
13:01-14:00, Thu., 16 Feb. 0.0535 0.0474 0.0509
12:01-13:00, Thu., 16 Feb. 0.0543 0.0480 0.0510
11:01-12:00, Thu., 16 Feb. 0.0550 0.0468 0.0501
10:01-11:00, Thu., 16 Feb. 0.0529 0.0458 0.0502
09:01-10:00, Thu., 16 Feb. 0.0534 0.0468 0.0504
08:01-09:00, Thu., 16 Feb. 0.0557 0.0469 0.0504
07:01-08:00, Thu., 16 Feb. 0.0539 0.0468 0.0504
06:01-07:00, Thu., 16 Feb. 0.0544 0.0469 0.0508
05:01-06:00, Thu., 16 Feb. 0.0550 0.0477 0.0507
04:01-05:00, Thu., 16 Feb. 0.0547 0.0471 0.0507
03:01-04:00, Thu., 16 Feb. 0.0543 0.0472 0.0507
02:01-03:00, Thu., 16 Feb. 0.0549 0.0479 0.0508
01:01-02:00, Thu., 16 Feb. 0.0554 0.0475 0.0508
00:01-01:00, Thu., 16 Feb. 0.0537 0.0480 0.0509
23:01-24:00, Wed., 15 Feb. 0.0542 0.0480 0.0512
22:01-23:00, Wed., 15 Feb. 0.0561 0.0473 0.0505
21:01-22:00, Wed., 15 Feb. 0.0543 0.0475 0.0508
20:01-21:00, Wed., 15 Feb. 0.0536 0.0482 0.0506
19:01-20:00, Wed., 15 Feb. 0.0539 0.0477 0.0511
18:01-19:00, Wed., 15 Feb. 0.0545 0.0474 0.0509
17:01-18:00, Wed., 15 Feb. 0.0546 0.0481 0.0510
16:01-17:00, Wed., 15 Feb. 0.0550 0.0486 0.0518
15:01-16:00, Wed., 15 Feb. 0.0543 0.0475 0.0515
14:01-15:00, Wed., 15 Feb. 0.0552 0.0482 0.0511
13:01-14:00, Wed., 15 Feb. 0.0554 0.0473 0.0513
12:01-13:00, Wed., 15 Feb. 0.0550 0.0481 0.0518
11:01-12:00, Wed., 15 Feb. 0.0550 0.0491 0.0521
10:01-11:00, Wed., 15 Feb. 0.0554 0.0485 0.0518
09:01-10:00, Wed., 15 Feb. 0.0560 0.0494 0.0519
08:01-09:00, Wed., 15 Feb. 0.0569 0.0477 0.0519
07:01-08:00, Wed., 15 Feb. 0.0555 0.0484 0.0520
06:01-07:00, Wed., 15 Feb. 0.0538 0.0465 0.0508
05:01-06:00, Wed., 15 Feb. 0.0534 0.0474 0.0507
04:01-05:00, Wed., 15 Feb. 0.0544 0.0481 0.0510
03:01-04:00, Wed., 15 Feb. 0.0538 0.0474 0.0511
02:01-03:00, Wed., 15 Feb. 0.0544 0.0468 0.0507
01:01-02:00, Wed., 15 Feb. 0.0550 0.0480 0.0511
00:01-01:00, Wed., 15 Feb. 0.0546 0.0476 0.0507
23:01-24:00, Tue., 14 Feb. 0.0540 0.0472 0.0502
22:01-23:00, Tue., 14 Feb. 0.0550 0.0474 0.0505
21:01-22:00, Tue., 14 Feb. 0.0538 0.0467 0.0510
20:01-21:00, Tue., 14 Feb. 0.0558 0.0491 0.0521
19:01-20:00, Tue., 14 Feb. 0.0581 0.0500 0.0551
18:01-19:00, Tue., 14 Feb. 0.0591 0.0514 0.0554
17:01-18:00, Tue., 14 Feb. 0.0605 0.0522 0.0559
16:01-17:00, Tue., 14 Feb. 0.0628 0.0543 0.0591
15:01-16:00, Tue., 14 Feb. 0.0608 0.0531 0.0568
14:01-15:00, Tue., 14 Feb. 0.0623 0.0552 0.0581
13:01-14:00, Tue., 14 Feb. 0.0617 0.0505 0.0550
12:01-13:00, Tue., 14 Feb. 0.0553 0.0480 0.0520
11:01-12:00, Tue., 14 Feb. 0.0562 0.0496 0.0528
10:01-11:00, Tue., 14 Feb. 0.0568 0.0489 0.0528
09:01-10:00, Tue., 14 Feb. 0.0577 0.0484 0.0527
08:01-09:00, Tue., 14 Feb. 0.0559 0.0495 0.0519
07:01-08:00, Tue., 14 Feb. 0.0556 0.0488 0.0517
06:01-07:00, Tue., 14 Feb. 0.0549 0.0479 0.0510
05:01-06:00, Tue., 14 Feb. 0.0546 0.0474 0.0511
04:01-05:00, Tue., 14 Feb. 0.0543 0.0478 0.0510
03:01-04:00, Tue., 14 Feb. 0.0531 0.0468 0.0505
02:01-03:00, Tue., 14 Feb. 0.0544 0.0468 0.0511
01:01-02:00, Tue., 14 Feb. 0.0549 0.0461 0.0512
00:01-01:00, Tue., 14 Feb. 0.0544 0.0469 0.0510
23:01-24:00, Mon., 13 Feb. 0.0547 0.0477 0.0509
22:01-23:00, Mon., 13 Feb. 0.0535 0.0470 0.0504
21:01-22:00, Mon., 13 Feb. 0.0539 0.0469 0.0500
20:01-21:00, Mon., 13 Feb. 0.0534 0.0471 0.0503
19:01-20:00, Mon., 13 Feb. 0.0541 0.0471 0.0507
18:01-19:00, Mon., 13 Feb. 0.0544 0.0474 0.0506
17:01-18:00, Mon., 13 Feb. 0.0533 0.0471 0.0501
16:01-17:00, Mon., 13 Feb. 0.0545 0.0473 0.0505
15:01-16:00, Mon., 13 Feb. 0.0525 0.0477 0.0502
14:01-15:00, Mon., 13 Feb. 0.0548 0.0467 0.0503
13:01-14:00, Mon., 13 Feb. 0.0538 0.0455 0.0507
12:01-13:00, Mon., 13 Feb. 0.0542 0.0475 0.0507
11:01-12:00, Mon., 13 Feb. 0.0554 0.0454 0.0507
10:01-11:00, Mon., 13 Feb. 0.0541 0.0478 0.0505
09:01-10:00, Mon., 13 Feb. 0.0555 0.0470 0.0504
08:01-09:00, Mon., 13 Feb. 0.0543 0.0474 0.0507
07:01-08:00, Mon., 13 Feb. 0.0528 0.0459 0.0507
06:01-07:00, Mon., 13 Feb. 0.0545 0.0463 0.0506
05:01-06:00, Mon., 13 Feb. 0.0535 0.0473 0.0502
04:01-05:00, Mon., 13 Feb. 0.0536 0.0475 0.0503
03:01-04:00, Mon., 13 Feb. 0.0534 0.0475 0.0501
02:01-03:00, Mon., 13 Feb. 0.0548 0.0442 0.0498
01:01-02:00, Mon., 13 Feb. 0.0539 0.0474 0.0503
00:01-01:00, Mon., 13 Feb. 0.0538 0.0474 0.0501