Measurement results by the hour (Shinjuku) 12 Mar., 2012 - 18 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., 18 Mar. 0.0534 0.0464 0.0500
22:01-23:00, Sun., 18 Mar. 0.0531 0.0463 0.0497
21:01-22:00, Sun., 18 Mar. 0.0538 0.0464 0.0502
20:01-21:00, Sun., 18 Mar. 0.0565 0.0490 0.0516
19:01-20:00, Sun., 18 Mar. 0.0554 0.0463 0.0516
18:01-19:00, Sun., 18 Mar. 0.0560 0.0481 0.0516
17:01-18:00, Sun., 18 Mar. 0.0552 0.0467 0.0508
16:01-17:00, Sun., 18 Mar. 0.0532 0.0462 0.0494
15:01-16:00, Sun., 18 Mar. 0.0544 0.0469 0.0508
14:01-15:00, Sun., 18 Mar. 0.0550 0.0467 0.0504
13:01-14:00, Sun., 18 Mar. 0.0539 0.0476 0.0512
12:01-13:00, Sun., 18 Mar. 0.0537 0.0469 0.0505
11:01-12:00, Sun., 18 Mar. 0.0531 0.0482 0.0506
10:01-11:00, Sun., 18 Mar. 0.0539 0.0462 0.0505
09:01-10:00, Sun., 18 Mar. 0.0541 0.0472 0.0508
08:01-09:00, Sun., 18 Mar. 0.0541 0.0481 0.0509
07:01-08:00, Sun., 18 Mar. 0.0543 0.0473 0.0507
06:01-07:00, Sun., 18 Mar. 0.0540 0.0459 0.0502
05:01-06:00, Sun., 18 Mar. 0.0549 0.0475 0.0508
04:01-05:00, Sun., 18 Mar. 0.0540 0.0473 0.0504
03:01-04:00, Sun., 18 Mar. 0.0536 0.0472 0.0502
02:01-03:00, Sun., 18 Mar. 0.0531 0.0440 0.0499
01:01-02:00, Sun., 18 Mar. 0.0538 0.0471 0.0499
00:01-01:00, Sun., 18 Mar. 0.0540 0.0468 0.0501
23:01-24:00, Sat., 17 Mar. 0.0533 0.0473 0.0502
22:01-23:00, Sat., 17 Mar. 0.0541 0.0471 0.0506
21:01-22:00, Sat., 17 Mar. 0.0549 0.0474 0.0509
20:01-21:00, Sat., 17 Mar. 0.0547 0.0468 0.0508
19:01-20:00, Sat., 17 Mar. 0.0571 0.0473 0.0518
18:01-19:00, Sat., 17 Mar. 0.0550 0.0471 0.0514
17:01-18:00, Sat., 17 Mar. 0.0548 0.0489 0.0516
16:01-17:00, Sat., 17 Mar. 0.0556 0.0472 0.0512
15:01-16:00, Sat., 17 Mar. 0.0565 0.0480 0.0528
14:01-15:00, Sat., 17 Mar. 0.0556 0.0499 0.0526
13:01-14:00, Sat., 17 Mar. 0.0586 0.0487 0.0538
12:01-13:00, Sat., 17 Mar. 0.0610 0.0509 0.0556
11:01-12:00, Sat., 17 Mar. 0.0585 0.0512 0.0546
10:01-11:00, Sat., 17 Mar. 0.0592 0.0515 0.0548
09:01-10:00, Sat., 17 Mar. 0.0589 0.0516 0.0554
08:01-09:00, Sat., 17 Mar. 0.0590 0.0527 0.0560
07:01-08:00, Sat., 17 Mar. 0.0599 0.0529 0.0564
06:01-07:00, Sat., 17 Mar. 0.0575 0.0486 0.0530
05:01-06:00, Sat., 17 Mar. 0.0539 0.0479 0.0505
04:01-05:00, Sat., 17 Mar. 0.0537 0.0468 0.0504
03:01-04:00, Sat., 17 Mar. 0.0521 0.0461 0.0497
02:01-03:00, Sat., 17 Mar. 0.0531 0.0456 0.0499
01:01-02:00, Sat., 17 Mar. 0.0559 0.0462 0.0502
00:01-01:00, Sat., 17 Mar. 0.0548 0.0480 0.0502
23:01-24:00, Fri., 16 Mar. 0.0530 0.0451 0.0496
22:01-23:00, Fri., 16 Mar. 0.0525 0.0464 0.0495
21:01-22:00, Fri., 16 Mar. 0.0530 0.0465 0.0499
20:01-21:00, Fri., 16 Mar. 0.0526 0.0464 0.0494
19:01-20:00, Fri., 16 Mar. 0.0527 0.0458 0.0494
18:01-19:00, Fri., 16 Mar. 0.0533 0.0468 0.0496
17:01-18:00, Fri., 16 Mar. 0.0530 0.0457 0.0497
16:01-17:00, Fri., 16 Mar. 0.0548 0.0469 0.0499
15:01-16:00, Fri., 16 Mar. 0.0527 0.0456 0.0498
14:01-15:00, Fri., 16 Mar. 0.0533 0.0466 0.0503
13:01-14:00, Fri., 16 Mar. 0.0530 0.0466 0.0500
12:01-13:00, Fri., 16 Mar. 0.0532 0.0472 0.0503
11:01-12:00, Fri., 16 Mar. 0.0544 0.0477 0.0505
10:01-11:00, Fri., 16 Mar. 0.0544 0.0466 0.0506
09:01-10:00, Fri., 16 Mar. 0.0539 0.0477 0.0504
08:01-09:00, Fri., 16 Mar. 0.0538 0.0478 0.0508
07:01-08:00, Fri., 16 Mar. 0.0549 0.0483 0.0509
06:01-07:00, Fri., 16 Mar. 0.0525 0.0468 0.0501
05:01-06:00, Fri., 16 Mar. 0.0526 0.0461 0.0496
04:01-05:00, Fri., 16 Mar. 0.0535 0.0477 0.0504
03:01-04:00, Fri., 16 Mar. 0.0555 0.0468 0.0501
02:01-03:00, Fri., 16 Mar. 0.0537 0.0469 0.0501
01:01-02:00, Fri., 16 Mar. 0.0525 0.0462 0.0499
00:01-01:00, Fri., 16 Mar. 0.0542 0.0466 0.0503
23:01-24:00, Thu., 15 Mar. 0.0536 0.0475 0.0503
22:01-23:00, Thu., 15 Mar. 0.0534 0.0463 0.0496
21:01-22:00, Thu., 15 Mar. 0.0535 0.0463 0.0497
20:01-21:00, Thu., 15 Mar. 0.0540 0.0450 0.0502
19:01-20:00, Thu., 15 Mar. 0.0524 0.0474 0.0494
18:01-19:00, Thu., 15 Mar. 0.0518 0.0456 0.0493
17:01-18:00, Thu., 15 Mar. 0.0535 0.0466 0.0498
16:01-17:00, Thu., 15 Mar. 0.0536 0.0468 0.0496
15:01-16:00, Thu., 15 Mar. 0.0535 0.0461 0.0499
14:01-15:00, Thu., 15 Mar. 0.0539 0.0467 0.0501
13:01-14:00, Thu., 15 Mar. 0.0540 0.0463 0.0503
12:01-13:00, Thu., 15 Mar. 0.0532 0.0474 0.0501
11:01-12:00, Thu., 15 Mar. 0.0533 0.0473 0.0505
10:01-11:00, Thu., 15 Mar. 0.0540 0.0452 0.0504
09:01-10:00, Thu., 15 Mar. 0.0565 0.0471 0.0513
08:01-09:00, Thu., 15 Mar. 0.0549 0.0480 0.0509
07:01-08:00, Thu., 15 Mar. 0.0544 0.0471 0.0506
06:01-07:00, Thu., 15 Mar. 0.0538 0.0471 0.0503
05:01-06:00, Thu., 15 Mar. 0.0542 0.0464 0.0509
04:01-05:00, Thu., 15 Mar. 0.0546 0.0475 0.0507
03:01-04:00, Thu., 15 Mar. 0.0538 0.0475 0.0507
02:01-03:00, Thu., 15 Mar. 0.0536 0.0473 0.0506
01:01-02:00, Thu., 15 Mar. 0.0532 0.0466 0.0502
00:01-01:00, Thu., 15 Mar. 0.0534 0.0466 0.0497
23:01-24:00, Wed., 14 Mar. 0.0531 0.0464 0.0497
22:01-23:00, Wed., 14 Mar. 0.0538 0.0451 0.0498
21:01-22:00, Wed., 14 Mar. 0.0532 0.0469 0.0499
20:01-21:00, Wed., 14 Mar. 0.0527 0.0466 0.0500
19:01-20:00, Wed., 14 Mar. 0.0531 0.0454 0.0491
18:01-19:00, Wed., 14 Mar. 0.0520 0.0460 0.0495
17:01-18:00, Wed., 14 Mar. 0.0542 0.0464 0.0491
16:01-17:00, Wed., 14 Mar. 0.0531 0.0468 0.0499
15:01-16:00, Wed., 14 Mar. 0.0531 0.0460 0.0499
14:01-15:00, Wed., 14 Mar. 0.0534 0.0472 0.0504
13:01-14:00, Wed., 14 Mar. 0.0527 0.0467 0.0500
12:01-13:00, Wed., 14 Mar. 0.0527 0.0472 0.0499
11:01-12:00, Wed., 14 Mar. 0.0532 0.0471 0.0502
10:01-11:00, Wed., 14 Mar. 0.0539 0.0467 0.0503
09:01-10:00, Wed., 14 Mar. 0.0534 0.0467 0.0500
08:01-09:00, Wed., 14 Mar. 0.0540 0.0481 0.0509
07:01-08:00, Wed., 14 Mar. 0.0538 0.0474 0.0505
06:01-07:00, Wed., 14 Mar. 0.0547 0.0473 0.0501
05:01-06:00, Wed., 14 Mar. 0.0535 0.0470 0.0500
04:01-05:00, Wed., 14 Mar. 0.0536 0.0473 0.0502
03:01-04:00, Wed., 14 Mar. 0.0536 0.0475 0.0501
02:01-03:00, Wed., 14 Mar. 0.0539 0.0466 0.0500
01:01-02:00, Wed., 14 Mar. 0.0540 0.0465 0.0498
00:01-01:00, Wed., 14 Mar. 0.0533 0.0468 0.0501
23:01-24:00, Tue., 13 Mar. 0.0537 0.0468 0.0497
22:01-23:00, Tue., 13 Mar. 0.0532 0.0465 0.0496
21:01-22:00, Tue., 13 Mar. 0.0534 0.0462 0.0494
20:01-21:00, Tue., 13 Mar. 0.0528 0.0460 0.0497
19:01-20:00, Tue., 13 Mar. 0.0533 0.0473 0.0497
18:01-19:00, Tue., 13 Mar. 0.0537 0.0461 0.0495
17:01-18:00, Tue., 13 Mar. 0.0520 0.0472 0.0497
16:01-17:00, Tue., 13 Mar. 0.0545 0.0459 0.0503
15:01-16:00, Tue., 13 Mar. 0.0535 0.0470 0.0502
14:01-15:00, Tue., 13 Mar. 0.0547 0.0477 0.0508
13:01-14:00, Tue., 13 Mar. 0.0534 0.0468 0.0500
12:01-13:00, Tue., 13 Mar. 0.0557 0.0469 0.0503
11:01-12:00, Tue., 13 Mar. 0.0533 0.0464 0.0505
10:01-11:00, Tue., 13 Mar. 0.0526 0.0475 0.0500
09:01-10:00, Tue., 13 Mar. 0.0538 0.0471 0.0503
08:01-09:00, Tue., 13 Mar. 0.0538 0.0475 0.0507
07:01-08:00, Tue., 13 Mar. 0.0549 0.0465 0.0504
06:01-07:00, Tue., 13 Mar. 0.0529 0.0466 0.0501
05:01-06:00, Tue., 13 Mar. 0.0545 0.0454 0.0498
04:01-05:00, Tue., 13 Mar. 0.0535 0.0455 0.0494
03:01-04:00, Tue., 13 Mar. 0.0538 0.0464 0.0499
02:01-03:00, Tue., 13 Mar. 0.0530 0.0462 0.0499
01:01-02:00, Tue., 13 Mar. 0.0532 0.0473 0.0501
00:01-01:00, Tue., 13 Mar. 0.0527 0.0464 0.0493
23:01-24:00, Mon., 12 Mar. 0.0542 0.0459 0.0497
22:01-23:00, Mon., 12 Mar. 0.0533 0.0464 0.0501
21:01-22:00, Mon., 12 Mar. 0.0543 0.0464 0.0496
20:01-21:00, Mon., 12 Mar. 0.0538 0.0463 0.0496
19:01-20:00, Mon., 12 Mar. 0.0546 0.0464 0.0497
18:01-19:00, Mon., 12 Mar. 0.0516 0.0470 0.0495
17:01-18:00, Mon., 12 Mar. 0.0537 0.0461 0.0496
16:01-17:00, Mon., 12 Mar. 0.0530 0.0450 0.0497
15:01-16:00, Mon., 12 Mar. 0.0539 0.0462 0.0497
14:01-15:00, Mon., 12 Mar. 0.0535 0.0471 0.0500
13:01-14:00, Mon., 12 Mar. 0.0533 0.0466 0.0499
12:01-13:00, Mon., 12 Mar. 0.0537 0.0466 0.0505
11:01-12:00, Mon., 12 Mar. 0.0539 0.0469 0.0508
10:01-11:00, Mon., 12 Mar. 0.0542 0.0480 0.0509
09:01-10:00, Mon., 12 Mar. 0.0541 0.0485 0.0512
08:01-09:00, Mon., 12 Mar. 0.0540 0.0479 0.0510
07:01-08:00, Mon., 12 Mar. 0.0541 0.0476 0.0507
06:01-07:00, Mon., 12 Mar. 0.0536 0.0465 0.0507
05:01-06:00, Mon., 12 Mar. 0.0533 0.0471 0.0507
04:01-05:00, Mon., 12 Mar. 0.0560 0.0462 0.0507
03:01-04:00, Mon., 12 Mar. 0.0554 0.0476 0.0506
02:01-03:00, Mon., 12 Mar. 0.0540 0.0473 0.0505
01:01-02:00, Mon., 12 Mar. 0.0536 0.0461 0.0502
00:01-01:00, Mon., 12 Mar. 0.0544 0.0468 0.0506