Measurement results by the hour (Shinjuku) 25 Feb., 2019 - 3 Mar., 2019

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., 03 Mar. 0.0510 0.0435 0.0465
22:01-23:00, Sun., 03 Mar. 0.0483 0.0413 0.0447
21:01-22:00, Sun., 03 Mar. 0.0463 0.0373 0.0420
20:01-21:00, Sun., 03 Mar. 0.0445 0.0367 0.0406
19:01-20:00, Sun., 03 Mar. 0.0445 0.0368 0.0398
18:01-19:00, Sun., 03 Mar. 0.0457 0.0367 0.0409
17:01-18:00, Sun., 03 Mar. 0.0454 0.0372 0.0426
16:01-17:00, Sun., 03 Mar. 0.0468 0.0407 0.0431
15:01-16:00, Sun., 03 Mar. 0.0473 0.0404 0.0439
14:01-15:00, Sun., 03 Mar. 0.0488 0.0401 0.0440
13:01-14:00, Sun., 03 Mar. 0.0496 0.0400 0.0456
12:01-13:00, Sun., 03 Mar. 0.0516 0.0428 0.0473
11:01-12:00, Sun., 03 Mar. 0.0495 0.0416 0.0458
10:01-11:00, Sun., 03 Mar. 0.0477 0.0415 0.0445
09:01-10:00, Sun., 03 Mar. 0.0492 0.0404 0.0448
08:01-09:00, Sun., 03 Mar. 0.0462 0.0379 0.0418
07:01-08:00, Sun., 03 Mar. 0.0421 0.0342 0.0380
06:01-07:00, Sun., 03 Mar. 0.0396 0.0348 0.0369
05:01-06:00, Sun., 03 Mar. 0.0403 0.0344 0.0370
04:01-05:00, Sun., 03 Mar. 0.0406 0.0349 0.0369
03:01-04:00, Sun., 03 Mar. 0.0393 0.0342 0.0367
02:01-03:00, Sun., 03 Mar. 0.0387 0.0341 0.0366
01:01-02:00, Sun., 03 Mar. 0.0383 0.0334 0.0363
00:01-01:00, Sun., 03 Mar. 0.0401 0.0341 0.0364
23:01-24:00, Sat., 02 Mar. 0.0394 0.0337 0.0365
22:01-23:00, Sat., 02 Mar. 0.0396 0.0343 0.0363
21:01-22:00, Sat., 02 Mar. 0.0392 0.0343 0.0364
20:01-21:00, Sat., 02 Mar. 0.0413 0.0344 0.0368
19:01-20:00, Sat., 02 Mar. 0.0397 0.0344 0.0366
18:01-19:00, Sat., 02 Mar. 0.0389 0.0345 0.0366
17:01-18:00, Sat., 02 Mar. 0.0387 0.0346 0.0363
16:01-17:00, Sat., 02 Mar. 0.0396 0.0337 0.0364
15:01-16:00, Sat., 02 Mar. 0.0397 0.0341 0.0363
14:01-15:00, Sat., 02 Mar. 0.0410 0.0347 0.0364
13:01-14:00, Sat., 02 Mar. 0.0386 0.0345 0.0364
12:01-13:00, Sat., 02 Mar. 0.0393 0.0344 0.0363
11:01-12:00, Sat., 02 Mar. 0.0391 0.0347 0.0365
10:01-11:00, Sat., 02 Mar. 0.0392 0.0346 0.0365
09:01-10:00, Sat., 02 Mar. 0.0390 0.0348 0.0366
08:01-09:00, Sat., 02 Mar. 0.0404 0.0348 0.0369
07:01-08:00, Sat., 02 Mar. 0.0397 0.0348 0.0366
06:01-07:00, Sat., 02 Mar. 0.0395 0.0348 0.0370
05:01-06:00, Sat., 02 Mar. 0.0394 0.0349 0.0365
04:01-05:00, Sat., 02 Mar. 0.0405 0.0347 0.0366
03:01-04:00, Sat., 02 Mar. 0.0405 0.0347 0.0366
02:01-03:00, Sat., 02 Mar. 0.0388 0.0347 0.0364
01:01-02:00, Sat., 02 Mar. 0.0402 0.0342 0.0364
00:01-01:00, Sat., 02 Mar. 0.0394 0.0346 0.0364
23:01-24:00, Fri., 01 Mar. 0.0401 0.0347 0.0364
22:01-23:00, Fri., 01 Mar. 0.0411 0.0342 0.0368
21:01-22:00, Fri., 01 Mar. 0.0390 0.0337 0.0364
20:01-21:00, Fri., 01 Mar. 0.0393 0.0343 0.0366
19:01-20:00, Fri., 01 Mar. 0.0388 0.0339 0.0365
18:01-19:00, Fri., 01 Mar. 0.0394 0.0345 0.0366
17:01-18:00, Fri., 01 Mar. 0.0395 0.0346 0.0367
16:01-17:00, Fri., 01 Mar. 0.0395 0.0351 0.0369
15:01-16:00, Fri., 01 Mar. 0.0390 0.0342 0.0368
14:01-15:00, Fri., 01 Mar. 0.0404 0.0347 0.0364
13:01-14:00, Fri., 01 Mar. 0.0412 0.0348 0.0366
12:01-13:00, Fri., 01 Mar. 0.0404 0.0347 0.0369
11:01-12:00, Fri., 01 Mar. 0.0398 0.0348 0.0369
10:01-11:00, Fri., 01 Mar. 0.0408 0.0346 0.0371
09:01-10:00, Fri., 01 Mar. 0.0419 0.0354 0.0377
08:01-09:00, Fri., 01 Mar. 0.0433 0.0364 0.0392
07:01-08:00, Fri., 01 Mar. 0.0471 0.0386 0.0423
06:01-07:00, Fri., 01 Mar. 0.0494 0.0364 0.0410
05:01-06:00, Fri., 01 Mar. 0.0448 0.0379 0.0413
04:01-05:00, Fri., 01 Mar. 0.0458 0.0371 0.0410
03:01-04:00, Fri., 01 Mar. 0.0446 0.0368 0.0403
02:01-03:00, Fri., 01 Mar. 0.0453 0.0374 0.0411
01:01-02:00, Fri., 01 Mar. 0.0446 0.0354 0.0395
00:01-01:00, Fri., 01 Mar. 0.0406 0.0358 0.0374
23:01-24:00, Thu., 28 Feb. 0.0422 0.0356 0.0384
22:01-23:00, Thu., 28 Feb. 0.0415 0.0351 0.0376
21:01-22:00, Thu., 28 Feb. 0.0450 0.0359 0.0401
20:01-21:00, Thu., 28 Feb. 0.0502 0.0408 0.0456
19:01-20:00, Thu., 28 Feb. 0.0568 0.0460 0.0505
18:01-19:00, Thu., 28 Feb. 0.0585 0.0479 0.0525
17:01-18:00, Thu., 28 Feb. 0.0563 0.0455 0.0518
16:01-17:00, Thu., 28 Feb. 0.0586 0.0485 0.0523
15:01-16:00, Thu., 28 Feb. 0.0564 0.0491 0.0524
14:01-15:00, Thu., 28 Feb. 0.0572 0.0484 0.0526
13:01-14:00, Thu., 28 Feb. 0.0567 0.0483 0.0520
12:01-13:00, Thu., 28 Feb. 0.0545 0.0439 0.0501
11:01-12:00, Thu., 28 Feb. 0.0518 0.0447 0.0482
10:01-11:00, Thu., 28 Feb. 0.0524 0.0449 0.0484
09:01-10:00, Thu., 28 Feb. 0.0508 0.0426 0.0468
08:01-09:00, Thu., 28 Feb. 0.0495 0.0425 0.0462
07:01-08:00, Thu., 28 Feb. 0.0506 0.0424 0.0469
06:01-07:00, Thu., 28 Feb. 0.0489 0.0357 0.0408
05:01-06:00, Thu., 28 Feb. 0.0405 0.0349 0.0371
04:01-05:00, Thu., 28 Feb. 0.0400 0.0355 0.0371
03:01-04:00, Thu., 28 Feb. 0.0404 0.0349 0.0375
02:01-03:00, Thu., 28 Feb. 0.0444 0.0365 0.0394
01:01-02:00, Thu., 28 Feb. 0.0447 0.0382 0.0411
00:01-01:00, Thu., 28 Feb. 0.0462 0.0386 0.0424
23:01-24:00, Wed., 27 Feb. 0.0465 0.0382 0.0418
22:01-23:00, Wed., 27 Feb. 0.0461 0.0390 0.0428
21:01-22:00, Wed., 27 Feb. 0.0462 0.0382 0.0421
20:01-21:00, Wed., 27 Feb. 0.0439 0.0354 0.0400
19:01-20:00, Wed., 27 Feb. 0.0414 0.0346 0.0370
18:01-19:00, Wed., 27 Feb. 0.0404 0.0344 0.0370
17:01-18:00, Wed., 27 Feb. 0.0401 0.0351 0.0371
16:01-17:00, Wed., 27 Feb. 0.0385 0.0344 0.0366
15:01-16:00, Wed., 27 Feb. 0.0402 0.0344 0.0367
14:01-15:00, Wed., 27 Feb. 0.0393 0.0345 0.0367
13:01-14:00, Wed., 27 Feb. 0.0417 0.0349 0.0371
12:01-13:00, Wed., 27 Feb. 0.0409 0.0343 0.0370
11:01-12:00, Wed., 27 Feb. 0.0404 0.0353 0.0370
10:01-11:00, Wed., 27 Feb. 0.0402 0.0351 0.0370
09:01-10:00, Wed., 27 Feb. 0.0398 0.0344 0.0370
08:01-09:00, Wed., 27 Feb. 0.0403 0.0347 0.0370
07:01-08:00, Wed., 27 Feb. 0.0404 0.0350 0.0372
06:01-07:00, Wed., 27 Feb. 0.0409 0.0346 0.0368
05:01-06:00, Wed., 27 Feb. 0.0392 0.0338 0.0365
04:01-05:00, Wed., 27 Feb. 0.0407 0.0338 0.0369
03:01-04:00, Wed., 27 Feb. 0.0424 0.0351 0.0369
02:01-03:00, Wed., 27 Feb. 0.0403 0.0343 0.0365
01:01-02:00, Wed., 27 Feb. 0.0396 0.0346 0.0368
00:01-01:00, Wed., 27 Feb. 0.0401 0.0346 0.0371
23:01-24:00, Tue., 26 Feb. 0.0392 0.0347 0.0366
22:01-23:00, Tue., 26 Feb. 0.0396 0.0347 0.0369
21:01-22:00, Tue., 26 Feb. 0.0403 0.0350 0.0369
20:01-21:00, Tue., 26 Feb. 0.0400 0.0355 0.0371
19:01-20:00, Tue., 26 Feb. 0.0403 0.0343 0.0371
18:01-19:00, Tue., 26 Feb. 0.0401 0.0347 0.0370
17:01-18:00, Tue., 26 Feb. 0.0412 0.0352 0.0372
16:01-17:00, Tue., 26 Feb. 0.0397 0.0351 0.0371
15:01-16:00, Tue., 26 Feb. 0.0422 0.0352 0.0373
14:01-15:00, Tue., 26 Feb. 0.0402 0.0347 0.0370
13:01-14:00, Tue., 26 Feb. 0.0411 0.0350 0.0373
12:01-13:00, Tue., 26 Feb. 0.0418 0.0349 0.0376
11:01-12:00, Tue., 26 Feb. 0.0405 0.0352 0.0374
10:01-11:00, Tue., 26 Feb. 0.0409 0.0357 0.0375
09:01-10:00, Tue., 26 Feb. 0.0414 0.0351 0.0372
08:01-09:00, Tue., 26 Feb. 0.0404 0.0343 0.0373
07:01-08:00, Tue., 26 Feb. 0.0405 0.0354 0.0374
06:01-07:00, Tue., 26 Feb. 0.0403 0.0352 0.0369
05:01-06:00, Tue., 26 Feb. 0.0397 0.0342 0.0370
04:01-05:00, Tue., 26 Feb. 0.0405 0.0353 0.0372
03:01-04:00, Tue., 26 Feb. 0.0414 0.0352 0.0370
02:01-03:00, Tue., 26 Feb. 0.0411 0.0354 0.0375
01:01-02:00, Tue., 26 Feb. 0.0424 0.0356 0.0374
00:01-01:00, Tue., 26 Feb. 0.0410 0.0347 0.0374
23:01-24:00, Mon., 25 Feb. 0.0403 0.0353 0.0373
22:01-23:00, Mon., 25 Feb. 0.0409 0.0350 0.0373
21:01-22:00, Mon., 25 Feb. 0.0420 0.0356 0.0375
20:01-21:00, Mon., 25 Feb. 0.0406 0.0349 0.0369
19:01-20:00, Mon., 25 Feb. 0.0393 0.0351 0.0369
18:01-19:00, Mon., 25 Feb. 0.0403 0.0351 0.0370
17:01-18:00, Mon., 25 Feb. 0.0408 0.0350 0.0373
16:01-17:00, Mon., 25 Feb. 0.0407 0.0354 0.0374
15:01-16:00, Mon., 25 Feb. 0.0412 0.0352 0.0374
14:01-15:00, Mon., 25 Feb. 0.0410 0.0357 0.0377
13:01-14:00, Mon., 25 Feb. 0.0420 0.0360 0.0378
12:01-13:00, Mon., 25 Feb. 0.0415 0.0355 0.0379
11:01-12:00, Mon., 25 Feb. 0.0413 0.0361 0.0380
10:01-11:00, Mon., 25 Feb. 0.0431 0.0357 0.0386
09:01-10:00, Mon., 25 Feb. 0.0421 0.0351 0.0385
08:01-09:00, Mon., 25 Feb. 0.0425 0.0360 0.0383
07:01-08:00, Mon., 25 Feb. 0.0430 0.0362 0.0379
06:01-07:00, Mon., 25 Feb. 0.0415 0.0359 0.0379
05:01-06:00, Mon., 25 Feb. 0.0410 0.0357 0.0378
04:01-05:00, Mon., 25 Feb. 0.0411 0.0347 0.0376
03:01-04:00, Mon., 25 Feb. 0.0410 0.0353 0.0375
02:01-03:00, Mon., 25 Feb. 0.0420 0.0348 0.0374
01:01-02:00, Mon., 25 Feb. 0.0401 0.0347 0.0369
00:01-01:00, Mon., 25 Feb. 0.0424 0.0355 0.0374