Measurement results by the hour (Shinjuku) 20 Feb., 2012 - 26 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., 26 Feb. 0.0544 0.0472 0.0509
22:01-23:00, Sun., 26 Feb. 0.0545 0.0470 0.0508
21:01-22:00, Sun., 26 Feb. 0.0545 0.0479 0.0509
20:01-21:00, Sun., 26 Feb. 0.0540 0.0476 0.0505
19:01-20:00, Sun., 26 Feb. 0.0540 0.0472 0.0502
18:01-19:00, Sun., 26 Feb. 0.0543 0.0471 0.0497
17:01-18:00, Sun., 26 Feb. 0.0524 0.0455 0.0498
16:01-17:00, Sun., 26 Feb. 0.0531 0.0457 0.0497
15:01-16:00, Sun., 26 Feb. 0.0533 0.0470 0.0498
14:01-15:00, Sun., 26 Feb. 0.0531 0.0475 0.0504
13:01-14:00, Sun., 26 Feb. 0.0542 0.0467 0.0504
12:01-13:00, Sun., 26 Feb. 0.0536 0.0474 0.0505
11:01-12:00, Sun., 26 Feb. 0.0531 0.0464 0.0501
10:01-11:00, Sun., 26 Feb. 0.0538 0.0473 0.0499
09:01-10:00, Sun., 26 Feb. 0.0531 0.0468 0.0499
08:01-09:00, Sun., 26 Feb. 0.0538 0.0464 0.0503
07:01-08:00, Sun., 26 Feb. 0.0537 0.0468 0.0502
06:01-07:00, Sun., 26 Feb. 0.0535 0.0469 0.0501
05:01-06:00, Sun., 26 Feb. 0.0535 0.0464 0.0498
04:01-05:00, Sun., 26 Feb. 0.0542 0.0462 0.0500
03:01-04:00, Sun., 26 Feb. 0.0535 0.0475 0.0503
02:01-03:00, Sun., 26 Feb. 0.0543 0.0470 0.0502
01:01-02:00, Sun., 26 Feb. 0.0532 0.0468 0.0500
00:01-01:00, Sun., 26 Feb. 0.0530 0.0461 0.0501
23:01-24:00, Sat., 25 Feb. 0.0530 0.0475 0.0503
22:01-23:00, Sat., 25 Feb. 0.0544 0.0484 0.0507
21:01-22:00, Sat., 25 Feb. 0.0546 0.0468 0.0504
20:01-21:00, Sat., 25 Feb. 0.0537 0.0461 0.0501
19:01-20:00, Sat., 25 Feb. 0.0539 0.0461 0.0498
18:01-19:00, Sat., 25 Feb. 0.0541 0.0458 0.0501
17:01-18:00, Sat., 25 Feb. 0.0534 0.0467 0.0499
16:01-17:00, Sat., 25 Feb. 0.0545 0.0470 0.0501
15:01-16:00, Sat., 25 Feb. 0.0537 0.0467 0.0502
14:01-15:00, Sat., 25 Feb. 0.0532 0.0478 0.0504
13:01-14:00, Sat., 25 Feb. 0.0526 0.0459 0.0500
12:01-13:00, Sat., 25 Feb. 0.0571 0.0474 0.0511
11:01-12:00, Sat., 25 Feb. 0.0570 0.0477 0.0528
10:01-11:00, Sat., 25 Feb. 0.0614 0.0513 0.0561
09:01-10:00, Sat., 25 Feb. 0.0637 0.0552 0.0592
08:01-09:00, Sat., 25 Feb. 0.0638 0.0561 0.0592
07:01-08:00, Sat., 25 Feb. 0.0643 0.0553 0.0595
06:01-07:00, Sat., 25 Feb. 0.0623 0.0556 0.0594
05:01-06:00, Sat., 25 Feb. 0.0643 0.0568 0.0602
04:01-05:00, Sat., 25 Feb. 0.0649 0.0562 0.0605
03:01-04:00, Sat., 25 Feb. 0.0610 0.0510 0.0565
02:01-03:00, Sat., 25 Feb. 0.0554 0.0471 0.0508
01:01-02:00, Sat., 25 Feb. 0.0543 0.0465 0.0506
00:01-01:00, Sat., 25 Feb. 0.0555 0.0485 0.0521
23:01-24:00, Fri., 24 Feb. 0.0544 0.0495 0.0517
22:01-23:00, Fri., 24 Feb. 0.0563 0.0465 0.0509
21:01-22:00, Fri., 24 Feb. 0.0538 0.0461 0.0502
20:01-21:00, Fri., 24 Feb. 0.0532 0.0469 0.0497
19:01-20:00, Fri., 24 Feb. 0.0529 0.0463 0.0498
18:01-19:00, Fri., 24 Feb. 0.0531 0.0473 0.0502
17:01-18:00, Fri., 24 Feb. 0.0543 0.0469 0.0501
16:01-17:00, Fri., 24 Feb. 0.0543 0.0455 0.0501
15:01-16:00, Fri., 24 Feb. 0.0550 0.0474 0.0504
14:01-15:00, Fri., 24 Feb. 0.0533 0.0475 0.0508
13:01-14:00, Fri., 24 Feb. 0.0538 0.0478 0.0508
12:01-13:00, Fri., 24 Feb. 0.0545 0.0471 0.0506
11:01-12:00, Fri., 24 Feb. 0.0545 0.0472 0.0509
10:01-11:00, Fri., 24 Feb. 0.0555 0.0475 0.0510
09:01-10:00, Fri., 24 Feb. 0.0534 0.0463 0.0500
08:01-09:00, Fri., 24 Feb. 0.0550 0.0468 0.0505
07:01-08:00, Fri., 24 Feb. 0.0536 0.0466 0.0503
06:01-07:00, Fri., 24 Feb. 0.0540 0.0473 0.0499
05:01-06:00, Fri., 24 Feb. 0.0540 0.0482 0.0504
04:01-05:00, Fri., 24 Feb. 0.0535 0.0458 0.0500
03:01-04:00, Fri., 24 Feb. 0.0542 0.0459 0.0502
02:01-03:00, Fri., 24 Feb. 0.0531 0.0461 0.0504
01:01-02:00, Fri., 24 Feb. 0.0537 0.0453 0.0504
00:01-01:00, Fri., 24 Feb. 0.0540 0.0481 0.0506
23:01-24:00, Thu., 23 Feb. 0.0543 0.0463 0.0503
22:01-23:00, Thu., 23 Feb. 0.0554 0.0472 0.0507
21:01-22:00, Thu., 23 Feb. 0.0550 0.0474 0.0504
20:01-21:00, Thu., 23 Feb. 0.0540 0.0467 0.0504
19:01-20:00, Thu., 23 Feb. 0.0546 0.0473 0.0502
18:01-19:00, Thu., 23 Feb. 0.0536 0.0457 0.0501
17:01-18:00, Thu., 23 Feb. 0.0529 0.0461 0.0500
16:01-17:00, Thu., 23 Feb. 0.0546 0.0472 0.0502
15:01-16:00, Thu., 23 Feb. 0.0548 0.0477 0.0510
14:01-15:00, Thu., 23 Feb. 0.0553 0.0485 0.0512
13:01-14:00, Thu., 23 Feb. 0.0585 0.0482 0.0533
12:01-13:00, Thu., 23 Feb. 0.0621 0.0533 0.0574
11:01-12:00, Thu., 23 Feb. 0.0615 0.0525 0.0574
10:01-11:00, Thu., 23 Feb. 0.0597 0.0523 0.0558
09:01-10:00, Thu., 23 Feb. 0.0574 0.0495 0.0535
08:01-09:00, Thu., 23 Feb. 0.0564 0.0496 0.0536
07:01-08:00, Thu., 23 Feb. 0.0589 0.0501 0.0544
06:01-07:00, Thu., 23 Feb. 0.0596 0.0495 0.0541
05:01-06:00, Thu., 23 Feb. 0.0582 0.0511 0.0546
04:01-05:00, Thu., 23 Feb. 0.0604 0.0516 0.0561
03:01-04:00, Thu., 23 Feb. 0.0614 0.0539 0.0578
02:01-03:00, Thu., 23 Feb. 0.0585 0.0511 0.0555
01:01-02:00, Thu., 23 Feb. 0.0591 0.0490 0.0530
00:01-01:00, Thu., 23 Feb. 0.0542 0.0468 0.0501
23:01-24:00, Wed., 22 Feb. 0.0530 0.0469 0.0503
22:01-23:00, Wed., 22 Feb. 0.0529 0.0467 0.0502
21:01-22:00, Wed., 22 Feb. 0.0535 0.0472 0.0501
20:01-21:00, Wed., 22 Feb. 0.0529 0.0460 0.0498
19:01-20:00, Wed., 22 Feb. 0.0530 0.0458 0.0499
18:01-19:00, Wed., 22 Feb. 0.0532 0.0461 0.0500
17:01-18:00, Wed., 22 Feb. 0.0531 0.0472 0.0502
16:01-17:00, Wed., 22 Feb. 0.0530 0.0469 0.0502
15:01-16:00, Wed., 22 Feb. 0.0540 0.0468 0.0502
14:01-15:00, Wed., 22 Feb. 0.0537 0.0471 0.0502
13:01-14:00, Wed., 22 Feb. 0.0551 0.0467 0.0503
12:01-13:00, Wed., 22 Feb. 0.0533 0.0456 0.0504
11:01-12:00, Wed., 22 Feb. 0.0554 0.0475 0.0506
10:01-11:00, Wed., 22 Feb. 0.0535 0.0468 0.0504
09:01-10:00, Wed., 22 Feb. 0.0553 0.0473 0.0508
08:01-09:00, Wed., 22 Feb. 0.0547 0.0469 0.0506
07:01-08:00, Wed., 22 Feb. 0.0545 0.0472 0.0504
06:01-07:00, Wed., 22 Feb. 0.0555 0.0468 0.0506
05:01-06:00, Wed., 22 Feb. 0.0539 0.0468 0.0510
04:01-05:00, Wed., 22 Feb. 0.0540 0.0476 0.0505
03:01-04:00, Wed., 22 Feb. 0.0547 0.0475 0.0506
02:01-03:00, Wed., 22 Feb. 0.0538 0.0465 0.0502
01:01-02:00, Wed., 22 Feb. 0.0533 0.0470 0.0502
00:01-01:00, Wed., 22 Feb. 0.0552 0.0457 0.0503
23:01-24:00, Tue., 21 Feb. 0.0543 0.0472 0.0502
22:01-23:00, Tue., 21 Feb. 0.0541 0.0473 0.0504
21:01-22:00, Tue., 21 Feb. 0.0531 0.0473 0.0504
20:01-21:00, Tue., 21 Feb. 0.0545 0.0469 0.0507
19:01-20:00, Tue., 21 Feb. 0.0549 0.0467 0.0507
18:01-19:00, Tue., 21 Feb. 0.0532 0.0475 0.0502
17:01-18:00, Tue., 21 Feb. 0.0543 0.0463 0.0503
16:01-17:00, Tue., 21 Feb. 0.0541 0.0472 0.0499
15:01-16:00, Tue., 21 Feb. 0.0546 0.0456 0.0505
14:01-15:00, Tue., 21 Feb. 0.0541 0.0472 0.0510
13:01-14:00, Tue., 21 Feb. 0.0553 0.0475 0.0508
12:01-13:00, Tue., 21 Feb. 0.0546 0.0475 0.0509
11:01-12:00, Tue., 21 Feb. 0.0548 0.0480 0.0515
10:01-11:00, Tue., 21 Feb. 0.0548 0.0487 0.0516
09:01-10:00, Tue., 21 Feb. 0.0554 0.0489 0.0518
08:01-09:00, Tue., 21 Feb. 0.0552 0.0487 0.0520
07:01-08:00, Tue., 21 Feb. 0.0548 0.0478 0.0516
06:01-07:00, Tue., 21 Feb. 0.0546 0.0482 0.0513
05:01-06:00, Tue., 21 Feb. 0.0547 0.0488 0.0512
04:01-05:00, Tue., 21 Feb. 0.0553 0.0465 0.0514
03:01-04:00, Tue., 21 Feb. 0.0554 0.0471 0.0516
02:01-03:00, Tue., 21 Feb. 0.0555 0.0460 0.0507
01:01-02:00, Tue., 21 Feb. 0.0537 0.0483 0.0508
00:01-01:00, Tue., 21 Feb. 0.0538 0.0475 0.0507
23:01-24:00, Mon., 20 Feb. 0.0534 0.0460 0.0504
22:01-23:00, Mon., 20 Feb. 0.0540 0.0469 0.0506
21:01-22:00, Mon., 20 Feb. 0.0542 0.0464 0.0501
20:01-21:00, Mon., 20 Feb. 0.0532 0.0460 0.0496
19:01-20:00, Mon., 20 Feb. 0.0528 0.0470 0.0497
18:01-19:00, Mon., 20 Feb. 0.0524 0.0463 0.0498
17:01-18:00, Mon., 20 Feb. 0.0542 0.0463 0.0501
16:01-17:00, Mon., 20 Feb. 0.0538 0.0464 0.0500
15:01-16:00, Mon., 20 Feb. 0.0536 0.0474 0.0504
14:01-15:00, Mon., 20 Feb. 0.0548 0.0478 0.0508
13:01-14:00, Mon., 20 Feb. 0.0558 0.0478 0.0510
12:01-13:00, Mon., 20 Feb. 0.0541 0.0475 0.0510
11:01-12:00, Mon., 20 Feb. 0.0544 0.0472 0.0512
10:01-11:00, Mon., 20 Feb. 0.0552 0.0476 0.0519
09:01-10:00, Mon., 20 Feb. 0.0576 0.0477 0.0518
08:01-09:00, Mon., 20 Feb. 0.0548 0.0486 0.0521
07:01-08:00, Mon., 20 Feb. 0.0539 0.0485 0.0512
06:01-07:00, Mon., 20 Feb. 0.0547 0.0478 0.0516
05:01-06:00, Mon., 20 Feb. 0.0547 0.0487 0.0513
04:01-05:00, Mon., 20 Feb. 0.0548 0.0466 0.0507
03:01-04:00, Mon., 20 Feb. 0.0558 0.0480 0.0511
02:01-03:00, Mon., 20 Feb. 0.0548 0.0467 0.0510
01:01-02:00, Mon., 20 Feb. 0.0547 0.0481 0.0511
00:01-01:00, Mon., 20 Feb. 0.0538 0.0474 0.0508