Measurement results by the hour (Shinjuku) 14 Mar., 2011 - 20 Mar., 2011

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
23:00-23:59, Sun., 20 Mar. 0.0515 0.0465 0.0494
22:00-22:59, Sun., 20 Mar. 0.0524 0.0405 0.0478
21:00-21:59, Sun., 20 Mar. 0.0464 0.0416 0.0443
20:00-20:59, Sun., 20 Mar. 0.0470 0.0414 0.0443
19:00-19:59, Sun., 20 Mar. 0.0468 0.0425 0.0445
18:00-18:59, Sun., 20 Mar. 0.0473 0.0415 0.0444
17:00-17:59, Sun., 20 Mar. 0.0484 0.0422 0.0448
16:00-16:59, Sun., 20 Mar. 0.0472 0.0431 0.0453
15:00-15:59, Sun., 20 Mar. 0.0480 0.0423 0.0452
14:00-14:59, Sun., 20 Mar. 0.0472 0.0421 0.0448
13:00-13:59, Sun., 20 Mar. 0.0488 0.0419 0.0451
12:00-12:59, Sun., 20 Mar. 0.0475 0.0433 0.0453
11:00-11:59, Sun., 20 Mar. 0.0482 0.0438 0.0459
10:00-10:59, Sun., 20 Mar. 0.0489 0.0433 0.0457
09:00-09:59, Sun., 20 Mar. 0.0492 0.0441 0.0462
08:00-08:59, Sun., 20 Mar. 0.0489 0.0436 0.0458
07:00-07:59, Sun., 20 Mar. 0.0492 0.0439 0.0458
06:00-06:59, Sun., 20 Mar. 0.0485 0.0443 0.0461
05:00-05:59, Sun., 20 Mar. 0.0485 0.0433 0.0459
04:00-04:59, Sun., 20 Mar. 0.0481 0.0429 0.0457
03:00-03:59, Sun., 20 Mar. 0.0485 0.0435 0.0460
02:00-02:59, Sun., 20 Mar. 0.0477 0.0440 0.0459
01:00-01:59, Sun., 20 Mar. 0.0492 0.0441 0.0459
00:00-00:59, Sun., 20 Mar. 0.0487 0.0433 0.0460
23:00-23:59, Sat., 19 Mar. 0.0488 0.0435 0.0459
22:00-22:59, Sat., 19 Mar. 0.0491 0.0426 0.0460
21:00-21:59, Sat., 19 Mar. 0.0485 0.0443 0.0462
20:00-20:59, Sat., 19 Mar. 0.0483 0.0433 0.0461
19:00-19:59, Sat., 19 Mar. 0.0478 0.0445 0.0460
18:00-18:59, Sat., 19 Mar. 0.0492 0.0433 0.0463
17:00-17:59, Sat., 19 Mar. 0.0499 0.0443 0.0462
16:00-16:59, Sat., 19 Mar. 0.0493 0.0435 0.0461
15:00-15:59, Sat., 19 Mar. 0.0489 0.0433 0.0462
14:00-14:59, Sat., 19 Mar. 0.0487 0.0427 0.0465
13:00-13:59, Sat., 19 Mar. 0.0499 0.0450 0.0470
12:00-12:59, Sat., 19 Mar. 0.0493 0.0450 0.0469
11:00-11:59, Sat., 19 Mar. 0.0491 0.0447 0.0470
10:00-10:59, Sat., 19 Mar. 0.0496 0.0445 0.0473
09:00-09:59, Sat., 19 Mar. 0.0500 0.0454 0.0476
08:00-08:59, Sat., 19 Mar. 0.0496 0.0447 0.0473
07:00-07:59, Sat., 19 Mar. 0.0499 0.0439 0.0475
06:00-06:59, Sat., 19 Mar. 0.0494 0.0444 0.0472
05:00-05:59, Sat., 19 Mar. 0.0487 0.0438 0.0468
04:00-04:59, Sat., 19 Mar. 0.0498 0.0447 0.0472
03:00-03:59, Sat., 19 Mar. 0.0503 0.0444 0.0475
02:00-02:59, Sat., 19 Mar. 0.0493 0.0449 0.0469
01:00-01:59, Sat., 19 Mar. 0.0499 0.0440 0.0469
00:00-00:59, Sat., 19 Mar. 0.0491 0.0436 0.0469
23:00-23:59, Fri., 18 Mar. 0.0492 0.0450 0.0471
22:00-22:59, Fri., 18 Mar. 0.0492 0.0443 0.0470
21:00-21:59, Fri., 18 Mar. 0.0505 0.0445 0.0472
20:00-20:59, Fri., 18 Mar. 0.0498 0.0450 0.0473
19:00-19:59, Fri., 18 Mar. 0.0491 0.0447 0.0472
18:00-18:59, Fri., 18 Mar. 0.0499 0.0456 0.0475
17:00-17:59, Fri., 18 Mar. 0.0496 0.0452 0.0474
16:00-16:59, Fri., 18 Mar. 0.0500 0.0461 0.0481
15:00-15:59, Fri., 18 Mar. 0.0502 0.0457 0.0481
14:00-14:59, Fri., 18 Mar. 0.0506 0.0457 0.0484
13:00-13:59, Fri., 18 Mar. 0.0509 0.0464 0.0486
12:00-12:59, Fri., 18 Mar. 0.0507 0.0466 0.0485
11:00-11:59, Fri., 18 Mar. 0.0515 0.0454 0.0485
10:00-10:59, Fri., 18 Mar. 0.0509 0.0455 0.0483
09:00-09:59, Fri., 18 Mar. 0.0506 0.0466 0.0486
08:00-08:59, Fri., 18 Mar. 0.0518 0.0465 0.0489
07:00-07:59, Fri., 18 Mar. 0.0513 0.0468 0.0493
06:00-06:59, Fri., 18 Mar. 0.0508 0.0464 0.0489
05:00-05:59, Fri., 18 Mar. 0.0515 0.0468 0.0490
04:00-04:59, Fri., 18 Mar. 0.0523 0.0464 0.0489
03:00-03:59, Fri., 18 Mar. 0.0524 0.0464 0.0496
02:00-02:59, Fri., 18 Mar. 0.0523 0.0471 0.0493
01:00-01:59, Fri., 18 Mar. 0.0520 0.0474 0.0498
00:00-00:59, Fri., 18 Mar. 0.0530 0.0474 0.0500
23:00-23:59, Thu., 17 Mar. 0.0523 0.0460 0.0497
22:00-22:59, Thu., 17 Mar. 0.0525 0.0480 0.0500
21:00-21:59, Thu., 17 Mar. 0.0525 0.0473 0.0497
20:00-20:59, Thu., 17 Mar. 0.0523 0.0478 0.0498
19:00-19:59, Thu., 17 Mar. 0.0537 0.0472 0.0499
18:00-18:59, Thu., 17 Mar. 0.0520 0.0475 0.0501
17:00-17:59, Thu., 17 Mar. 0.0524 0.0475 0.0498
16:00-16:59, Thu., 17 Mar. 0.0523 0.0478 0.0502
15:00-15:59, Thu., 17 Mar. 0.0526 0.0488 0.0503
14:00-14:59, Thu., 17 Mar. 0.0526 0.0488 0.0506
13:00-13:59, Thu., 17 Mar. 0.0545 0.0486 0.0507
12:00-12:59, Thu., 17 Mar. 0.0533 0.0486 0.0508
11:00-11:59, Thu., 17 Mar. 0.0532 0.0489 0.0511
10:00-10:59, Thu., 17 Mar. 0.0544 0.0489 0.0514
09:00-09:59, Thu., 17 Mar. 0.0538 0.0485 0.0515
08:00-08:59, Thu., 17 Mar. 0.0551 0.0489 0.0516
07:00-07:59, Thu., 17 Mar. 0.0539 0.0498 0.0520
06:00-06:59, Thu., 17 Mar. 0.0549 0.0498 0.0519
05:00-05:59, Thu., 17 Mar. 0.0544 0.0497 0.0521
04:00-04:59, Thu., 17 Mar. 0.0555 0.0490 0.0523
03:00-03:59, Thu., 17 Mar. 0.0551 0.0499 0.0523
02:00-02:59, Thu., 17 Mar. 0.0549 0.0500 0.0524
01:00-01:59, Thu., 17 Mar. 0.0557 0.0501 0.0526
00:00-00:59, Thu., 17 Mar. 0.0562 0.0503 0.0530
23:00-23:59, Wed., 16 Mar. 0.0553 0.0499 0.0529
22:00-22:59, Wed., 16 Mar. 0.0558 0.0508 0.0532
21:00-21:59, Wed., 16 Mar. 0.0569 0.0506 0.0532
20:00-20:59, Wed., 16 Mar. 0.0555 0.0511 0.0532
19:00-19:59, Wed., 16 Mar. 0.0565 0.0509 0.0533
18:00-18:59, Wed., 16 Mar. 0.0562 0.0507 0.0532
17:00-17:59, Wed., 16 Mar. 0.0572 0.0504 0.0534
16:00-16:59, Wed., 16 Mar. 0.0575 0.0517 0.0539
15:00-15:59, Wed., 16 Mar. 0.0570 0.0520 0.0542
14:00-14:59, Wed., 16 Mar. 0.0569 0.0513 0.0541
13:00-13:59, Wed., 16 Mar. 0.0569 0.0529 0.0547
12:00-12:59, Wed., 16 Mar. 0.0654 0.0530 0.0562
11:00-11:59, Wed., 16 Mar. 0.0632 0.0537 0.0565
10:00-10:59, Wed., 16 Mar. 0.0702 0.0546 0.0582
09:00-09:59, Wed., 16 Mar. 0.0870 0.0555 0.0688
08:00-08:59, Wed., 16 Mar. 0.103 0.0693 0.0891
07:00-07:59, Wed., 16 Mar. 0.110 0.0975 0.104
06:00-06:59, Wed., 16 Mar. 0.161 0.111 0.142
05:00-05:59, Wed., 16 Mar. 0.160 0.128 0.143
04:00-04:59, Wed., 16 Mar. 0.151 0.124 0.141
03:00-03:59, Wed., 16 Mar. 0.126 0.0845 0.101
02:00-02:59, Wed., 16 Mar. 0.0951 0.0589 0.0672
01:00-01:59, Wed., 16 Mar. 0.0607 0.0506 0.0547
00:00-00:59, Wed., 16 Mar. 0.0559 0.0514 0.0538
23:00-23:59, Tue., 15 Mar. 0.0599 0.0530 0.0556
22:00-22:59, Tue., 15 Mar. 0.0763 0.0575 0.0657
21:00-21:59, Tue., 15 Mar. 0.0980 0.0761 0.0888
20:00-20:59, Tue., 15 Mar. 0.168 0.0955 0.123
19:00-19:59, Tue., 15 Mar. 0.458 0.165 0.361
18:00-18:59, Tue., 15 Mar. 0.320 0.113 0.200
17:00-17:59, Tue., 15 Mar. 0.157 0.0669 0.0941
16:00-16:59, Tue., 15 Mar. 0.0749 0.0646 0.0682
15:00-15:59, Tue., 15 Mar. 0.0715 0.0646 0.0682
14:00-14:59, Tue., 15 Mar. 0.0752 0.0681 0.0716
13:00-13:59, Tue., 15 Mar. 0.0722 0.0624 0.0658
12:00-12:59, Tue., 15 Mar. 0.0777 0.0663 0.0713
11:00-11:59, Tue., 15 Mar. 0.151 0.0781 0.106
10:00-10:59, Tue., 15 Mar. 0.809 0.160 0.496
09:00-09:59, Tue., 15 Mar. 0.465 0.122 0.202
08:00-08:59, Tue., 15 Mar. 0.123 0.0403 0.0573
07:00-07:59, Tue., 15 Mar. 0.0507 0.0412 0.0453
06:00-06:59, Tue., 15 Mar. 0.0576 0.0438 0.0495
05:00-05:59, Tue., 15 Mar. 0.112 0.0562 0.0875
04:00-04:59, Tue., 15 Mar. 0.147 0.0360 0.100
03:00-03:59, Tue., 15 Mar. 0.0384 0.0319 0.0347
02:00-02:59, Tue., 15 Mar. 0.0373 0.0318 0.0345
01:00-01:59, Tue., 15 Mar. 0.0372 0.0329 0.0347
00:00-00:59, Tue., 15 Mar. 0.0367 0.0322 0.0345
23:00-23:59, Mon., 14 Mar. 0.0377 0.0327 0.0346
22:00-22:59, Mon., 14 Mar. 0.0361 0.0317 0.0341
21:00-21:59, Mon., 14 Mar. 0.0366 0.0306 0.0336
20:00-20:59, Mon., 14 Mar. 0.0362 0.0304 0.0335
19:00-19:59, Mon., 14 Mar. 0.0364 0.0311 0.0337
18:00-18:59, Mon., 14 Mar. 0.0361 0.0318 0.0337
17:00-17:59, Mon., 14 Mar. 0.0349 0.0314 0.0335
16:00-16:59, Mon., 14 Mar. 0.0348 0.0314 0.0333
15:00-15:59, Mon., 14 Mar. 0.0351 0.0318 0.0335
14:00-14:59, Mon., 14 Mar. 0.0354 0.0310 0.0336
13:00-13:59, Mon., 14 Mar. 0.0366 0.0317 0.0335
12:00-12:59, Mon., 14 Mar. 0.0360 0.0315 0.0337
11:00-11:59, Mon., 14 Mar. 0.0360 0.0322 0.0338
10:00-10:59, Mon., 14 Mar. 0.0366 0.0327 0.0342
09:00-09:59, Mon., 14 Mar. 0.0366 0.0317 0.0341
08:00-08:59, Mon., 14 Mar. 0.0372 0.0318 0.0346
07:00-07:59, Mon., 14 Mar. 0.0376 0.0325 0.0349
06:00-06:59, Mon., 14 Mar. 0.0363 0.0324 0.0344
05:00-05:59, Mon., 14 Mar. 0.0372 0.0326 0.0342
04:00-04:59, Mon., 14 Mar. 0.0374 0.0330 0.0348
03:00-03:59, Mon., 14 Mar. 0.0365 0.0324 0.0346
02:00-02:59, Mon., 14 Mar. 0.0370 0.0314 0.0343
01:00-01:59, Mon., 14 Mar. 0.0371 0.0322 0.0345
00:00-00:59, Mon., 14 Mar. 0.0366 0.0315 0.0344