Measurement results by the hour (Shinjuku) 27 Feb., 2012 - 4 Mar., 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., 04 Mar. 0.0547 0.0473 0.0519
22:01-23:00, Sun., 04 Mar. 0.0545 0.0482 0.0510
21:01-22:00, Sun., 04 Mar. 0.0555 0.0476 0.0513
20:01-21:00, Sun., 04 Mar. 0.0551 0.0467 0.0520
19:01-20:00, Sun., 04 Mar. 0.0550 0.0476 0.0505
18:01-19:00, Sun., 04 Mar. 0.0542 0.0458 0.0503
17:01-18:00, Sun., 04 Mar. 0.0545 0.0465 0.0498
16:01-17:00, Sun., 04 Mar. 0.0540 0.0463 0.0498
15:01-16:00, Sun., 04 Mar. 0.0525 0.0461 0.0496
14:01-15:00, Sun., 04 Mar. 0.0540 0.0464 0.0493
13:01-14:00, Sun., 04 Mar. 0.0522 0.0469 0.0499
12:01-13:00, Sun., 04 Mar. 0.0536 0.0477 0.0504
11:01-12:00, Sun., 04 Mar. 0.0540 0.0469 0.0496
10:01-11:00, Sun., 04 Mar. 0.0533 0.0470 0.0501
09:01-10:00, Sun., 04 Mar. 0.0533 0.0474 0.0504
08:01-09:00, Sun., 04 Mar. 0.0532 0.0470 0.0503
07:01-08:00, Sun., 04 Mar. 0.0529 0.0473 0.0502
06:01-07:00, Sun., 04 Mar. 0.0544 0.0480 0.0504
05:01-06:00, Sun., 04 Mar. 0.0539 0.0479 0.0504
04:01-05:00, Sun., 04 Mar. 0.0542 0.0466 0.0496
03:01-04:00, Sun., 04 Mar. 0.0542 0.0474 0.0504
02:01-03:00, Sun., 04 Mar. 0.0535 0.0475 0.0502
01:01-02:00, Sun., 04 Mar. 0.0535 0.0461 0.0501
00:01-01:00, Sun., 04 Mar. 0.0541 0.0477 0.0503
23:01-24:00, Sat., 03 Mar. 0.0530 0.0467 0.0497
22:01-23:00, Sat., 03 Mar. 0.0556 0.0456 0.0498
21:01-22:00, Sat., 03 Mar. 0.0539 0.0457 0.0499
20:01-21:00, Sat., 03 Mar. 0.0536 0.0468 0.0497
19:01-20:00, Sat., 03 Mar. 0.0536 0.0460 0.0499
18:01-19:00, Sat., 03 Mar. 0.0540 0.0467 0.0504
17:01-18:00, Sat., 03 Mar. 0.0530 0.0466 0.0500
16:01-17:00, Sat., 03 Mar. 0.0536 0.0470 0.0505
15:01-16:00, Sat., 03 Mar. 0.0539 0.0476 0.0505
14:01-15:00, Sat., 03 Mar. 0.0541 0.0473 0.0510
13:01-14:00, Sat., 03 Mar. 0.0558 0.0475 0.0507
12:01-13:00, Sat., 03 Mar. 0.0536 0.0470 0.0502
11:01-12:00, Sat., 03 Mar. 0.0549 0.0470 0.0509
10:01-11:00, Sat., 03 Mar. 0.0537 0.0475 0.0507
09:01-10:00, Sat., 03 Mar. 0.0533 0.0469 0.0502
08:01-09:00, Sat., 03 Mar. 0.0544 0.0466 0.0505
07:01-08:00, Sat., 03 Mar. 0.0533 0.0470 0.0504
06:01-07:00, Sat., 03 Mar. 0.0544 0.0472 0.0508
05:01-06:00, Sat., 03 Mar. 0.0532 0.0484 0.0507
04:01-05:00, Sat., 03 Mar. 0.0541 0.0464 0.0506
03:01-04:00, Sat., 03 Mar. 0.0553 0.0460 0.0501
02:01-03:00, Sat., 03 Mar. 0.0561 0.0480 0.0514
01:01-02:00, Sat., 03 Mar. 0.0563 0.0505 0.0528
00:01-01:00, Sat., 03 Mar. 0.0567 0.0492 0.0528
23:01-24:00, Fri., 02 Mar. 0.0556 0.0479 0.0520
22:01-23:00, Fri., 02 Mar. 0.0546 0.0484 0.0517
21:01-22:00, Fri., 02 Mar. 0.0549 0.0485 0.0514
20:01-21:00, Fri., 02 Mar. 0.0557 0.0502 0.0522
19:01-20:00, Fri., 02 Mar. 0.0558 0.0485 0.0525
18:01-19:00, Fri., 02 Mar. 0.0571 0.0503 0.0540
17:01-18:00, Fri., 02 Mar. 0.0569 0.0498 0.0536
16:01-17:00, Fri., 02 Mar. 0.0598 0.0503 0.0548
15:01-16:00, Fri., 02 Mar. 0.0573 0.0506 0.0539
14:01-15:00, Fri., 02 Mar. 0.0582 0.0503 0.0545
13:01-14:00, Fri., 02 Mar. 0.0577 0.0512 0.0547
12:01-13:00, Fri., 02 Mar. 0.0576 0.0506 0.0542
11:01-12:00, Fri., 02 Mar. 0.0595 0.0495 0.0532
10:01-11:00, Fri., 02 Mar. 0.0549 0.0474 0.0508
09:01-10:00, Fri., 02 Mar. 0.0550 0.0463 0.0513
08:01-09:00, Fri., 02 Mar. 0.0550 0.0473 0.0512
07:01-08:00, Fri., 02 Mar. 0.0552 0.0490 0.0515
06:01-07:00, Fri., 02 Mar. 0.0548 0.0463 0.0510
05:01-06:00, Fri., 02 Mar. 0.0539 0.0466 0.0506
04:01-05:00, Fri., 02 Mar. 0.0543 0.0481 0.0511
03:01-04:00, Fri., 02 Mar. 0.0540 0.0472 0.0507
02:01-03:00, Fri., 02 Mar. 0.0544 0.0475 0.0509
01:01-02:00, Fri., 02 Mar. 0.0552 0.0473 0.0512
00:01-01:00, Fri., 02 Mar. 0.0535 0.0472 0.0503
23:01-24:00, Thu., 01 Mar. 0.0528 0.0470 0.0500
22:01-23:00, Thu., 01 Mar. 0.0528 0.0462 0.0497
21:01-22:00, Thu., 01 Mar. 0.0534 0.0461 0.0495
20:01-21:00, Thu., 01 Mar. 0.0536 0.0467 0.0493
19:01-20:00, Thu., 01 Mar. 0.0528 0.0458 0.0498
18:01-19:00, Thu., 01 Mar. 0.0537 0.0466 0.0500
17:01-18:00, Thu., 01 Mar. 0.0532 0.0474 0.0503
16:01-17:00, Thu., 01 Mar. 0.0543 0.0463 0.0501
15:01-16:00, Thu., 01 Mar. 0.0537 0.0471 0.0506
14:01-15:00, Thu., 01 Mar. 0.0532 0.0469 0.0501
13:01-14:00, Thu., 01 Mar. 0.0545 0.0473 0.0504
12:01-13:00, Thu., 01 Mar. 0.0557 0.0472 0.0502
11:01-12:00, Thu., 01 Mar. 0.0532 0.0474 0.0507
10:01-11:00, Thu., 01 Mar. 0.0545 0.0477 0.0511
09:01-10:00, Thu., 01 Mar. 0.0539 0.0474 0.0502
08:01-09:00, Thu., 01 Mar. 0.0534 0.0474 0.0506
07:01-08:00, Thu., 01 Mar. 0.0532 0.0454 0.0499
06:01-07:00, Thu., 01 Mar. 0.0535 0.0460 0.0491
05:01-06:00, Thu., 01 Mar. 0.0516 0.0456 0.0489
04:01-05:00, Thu., 01 Mar. 0.0513 0.0451 0.0487
03:01-04:00, Thu., 01 Mar. 0.0521 0.0435 0.0488
02:01-03:00, Thu., 01 Mar. 0.0523 0.0451 0.0484
01:01-02:00, Thu., 01 Mar. 0.0513 0.0453 0.0482
00:01-01:00, Thu., 01 Mar. 0.0531 0.0449 0.0479
23:01-24:00, Wed., 29 Feb. 0.0510 0.0451 0.0479
22:01-23:00, Wed., 29 Feb. 0.0510 0.0438 0.0475
21:01-22:00, Wed., 29 Feb. 0.0505 0.0442 0.0473
20:01-21:00, Wed., 29 Feb. 0.0503 0.0446 0.0471
19:01-20:00, Wed., 29 Feb. 0.0489 0.0429 0.0463
18:01-19:00, Wed., 29 Feb. 0.0485 0.0421 0.0457
17:01-18:00, Wed., 29 Feb. 0.0496 0.0432 0.0460
16:01-17:00, Wed., 29 Feb. 0.0501 0.0428 0.0462
15:01-16:00, Wed., 29 Feb. 0.0500 0.0423 0.0467
14:01-15:00, Wed., 29 Feb. 0.0502 0.0436 0.0475
13:01-14:00, Wed., 29 Feb. 0.0535 0.0453 0.0494
12:01-13:00, Wed., 29 Feb. 0.0557 0.0472 0.0521
11:01-12:00, Wed., 29 Feb. 0.0559 0.0482 0.0530
10:01-11:00, Wed., 29 Feb. 0.0577 0.0484 0.0532
09:01-10:00, Wed., 29 Feb. 0.0569 0.0495 0.0534
08:01-09:00, Wed., 29 Feb. 0.0574 0.0507 0.0541
07:01-08:00, Wed., 29 Feb. 0.0591 0.0510 0.0545
06:01-07:00, Wed., 29 Feb. 0.0579 0.0510 0.0548
05:01-06:00, Wed., 29 Feb. 0.0594 0.0506 0.0549
04:01-05:00, Wed., 29 Feb. 0.0588 0.0506 0.0545
03:01-04:00, Wed., 29 Feb. 0.0571 0.0487 0.0536
02:01-03:00, Wed., 29 Feb. 0.0550 0.0474 0.0512
01:01-02:00, Wed., 29 Feb. 0.0537 0.0460 0.0500
00:01-01:00, Wed., 29 Feb. 0.0543 0.0457 0.0498
23:01-24:00, Tue., 28 Feb. 0.0532 0.0468 0.0499
22:01-23:00, Tue., 28 Feb. 0.0548 0.0462 0.0500
21:01-22:00, Tue., 28 Feb. 0.0524 0.0475 0.0497
20:01-21:00, Tue., 28 Feb. 0.0544 0.0460 0.0500
19:01-20:00, Tue., 28 Feb. 0.0537 0.0473 0.0498
18:01-19:00, Tue., 28 Feb. 0.0523 0.0466 0.0496
17:01-18:00, Tue., 28 Feb. 0.0535 0.0468 0.0498
16:01-17:00, Tue., 28 Feb. 0.0561 0.0457 0.0498
15:01-16:00, Tue., 28 Feb. 0.0540 0.0463 0.0499
14:01-15:00, Tue., 28 Feb. 0.0545 0.0462 0.0499
13:01-14:00, Tue., 28 Feb. 0.0534 0.0474 0.0503
12:01-13:00, Tue., 28 Feb. 0.0526 0.0459 0.0496
11:01-12:00, Tue., 28 Feb. 0.0545 0.0467 0.0502
10:01-11:00, Tue., 28 Feb. 0.0535 0.0460 0.0495
09:01-10:00, Tue., 28 Feb. 0.0532 0.0482 0.0502
08:01-09:00, Tue., 28 Feb. 0.0543 0.0480 0.0503
07:01-08:00, Tue., 28 Feb. 0.0537 0.0456 0.0504
06:01-07:00, Tue., 28 Feb. 0.0541 0.0472 0.0501
05:01-06:00, Tue., 28 Feb. 0.0531 0.0479 0.0503
04:01-05:00, Tue., 28 Feb. 0.0549 0.0475 0.0505
03:01-04:00, Tue., 28 Feb. 0.0538 0.0444 0.0502
02:01-03:00, Tue., 28 Feb. 0.0528 0.0467 0.0499
01:01-02:00, Tue., 28 Feb. 0.0541 0.0451 0.0502
00:01-01:00, Tue., 28 Feb. 0.0537 0.0466 0.0502
23:01-24:00, Mon., 27 Feb. 0.0538 0.0465 0.0500
22:01-23:00, Mon., 27 Feb. 0.0541 0.0459 0.0504
21:01-22:00, Mon., 27 Feb. 0.0531 0.0460 0.0499
20:01-21:00, Mon., 27 Feb. 0.0531 0.0467 0.0502
19:01-20:00, Mon., 27 Feb. 0.0545 0.0468 0.0502
18:01-19:00, Mon., 27 Feb. 0.0539 0.0472 0.0503
17:01-18:00, Mon., 27 Feb. 0.0535 0.0465 0.0498
16:01-17:00, Mon., 27 Feb. 0.0542 0.0462 0.0494
15:01-16:00, Mon., 27 Feb. 0.0576 0.0472 0.0504
14:01-15:00, Mon., 27 Feb. 0.0539 0.0477 0.0507
13:01-14:00, Mon., 27 Feb. 0.0540 0.0476 0.0506
12:01-13:00, Mon., 27 Feb. 0.0538 0.0477 0.0508
11:01-12:00, Mon., 27 Feb. 0.0545 0.0465 0.0509
10:01-11:00, Mon., 27 Feb. 0.0545 0.0477 0.0510
09:01-10:00, Mon., 27 Feb. 0.0535 0.0466 0.0509
08:01-09:00, Mon., 27 Feb. 0.0552 0.0482 0.0512
07:01-08:00, Mon., 27 Feb. 0.0534 0.0459 0.0504
06:01-07:00, Mon., 27 Feb. 0.0554 0.0480 0.0506
05:01-06:00, Mon., 27 Feb. 0.0535 0.0472 0.0506
04:01-05:00, Mon., 27 Feb. 0.0559 0.0474 0.0505
03:01-04:00, Mon., 27 Feb. 0.0549 0.0467 0.0508
02:01-03:00, Mon., 27 Feb. 0.0539 0.0484 0.0509
01:01-02:00, Mon., 27 Feb. 0.0543 0.0471 0.0510
00:01-01:00, Mon., 27 Feb. 0.0542 0.0472 0.0505