Measurement results by the hour (Shinjuku) 13 Apr., 2020 - 19 Apr., 2020

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., 19 Apr. 0.0384 0.0337 0.0359
22:01-23:00, Sun., 19 Apr. 0.0378 0.0331 0.0359
21:01-22:00, Sun., 19 Apr. 0.0378 0.0341 0.0359
20:01-21:00, Sun., 19 Apr. 0.0385 0.0341 0.0361
19:01-20:00, Sun., 19 Apr. 0.0388 0.0343 0.0359
18:01-19:00, Sun., 19 Apr. 0.0389 0.0341 0.0362
17:01-18:00, Sun., 19 Apr. 0.0386 0.0342 0.0359
16:01-17:00, Sun., 19 Apr. 0.0397 0.0337 0.0363
15:01-16:00, Sun., 19 Apr. 0.0388 0.0342 0.0363
14:01-15:00, Sun., 19 Apr. 0.0407 0.0334 0.0365
13:01-14:00, Sun., 19 Apr. 0.0396 0.0344 0.0362
12:01-13:00, Sun., 19 Apr. 0.0392 0.0341 0.0361
11:01-12:00, Sun., 19 Apr. 0.0393 0.0343 0.0365
10:01-11:00, Sun., 19 Apr. 0.0397 0.0341 0.0363
09:01-10:00, Sun., 19 Apr. 0.0403 0.0343 0.0364
08:01-09:00, Sun., 19 Apr. 0.0393 0.0340 0.0360
07:01-08:00, Sun., 19 Apr. 0.0395 0.0345 0.0363
06:01-07:00, Sun., 19 Apr. 0.0403 0.0350 0.0367
05:01-06:00, Sun., 19 Apr. 0.0402 0.0352 0.0367
04:01-05:00, Sun., 19 Apr. 0.0400 0.0350 0.0369
03:01-04:00, Sun., 19 Apr. 0.0409 0.0346 0.0369
02:01-03:00, Sun., 19 Apr. 0.0409 0.0347 0.0365
01:01-02:00, Sun., 19 Apr. 0.0401 0.0334 0.0363
00:01-01:00, Sun., 19 Apr. 0.0392 0.0339 0.0366
23:01-24:00, Sat., 18 Apr. 0.0402 0.0353 0.0367
22:01-23:00, Sat., 18 Apr. 0.0393 0.0349 0.0365
21:01-22:00, Sat., 18 Apr. 0.0405 0.0343 0.0365
20:01-21:00, Sat., 18 Apr. 0.0409 0.0347 0.0365
19:01-20:00, Sat., 18 Apr. 0.0396 0.0346 0.0364
18:01-19:00, Sat., 18 Apr. 0.0400 0.0347 0.0366
17:01-18:00, Sat., 18 Apr. 0.0402 0.0345 0.0368
16:01-17:00, Sat., 18 Apr. 0.0444 0.0366 0.0403
15:01-16:00, Sat., 18 Apr. 0.0474 0.0380 0.0422
14:01-15:00, Sat., 18 Apr. 0.0501 0.0427 0.0464
13:01-14:00, Sat., 18 Apr. 0.0517 0.0435 0.0468
12:01-13:00, Sat., 18 Apr. 0.0534 0.0454 0.0489
11:01-12:00, Sat., 18 Apr. 0.0528 0.0450 0.0484
10:01-11:00, Sat., 18 Apr. 0.0528 0.0416 0.0475
09:01-10:00, Sat., 18 Apr. 0.0498 0.0430 0.0459
08:01-09:00, Sat., 18 Apr. 0.0486 0.0394 0.0437
07:01-08:00, Sat., 18 Apr. 0.0499 0.0413 0.0446
06:01-07:00, Sat., 18 Apr. 0.0469 0.0395 0.0435
05:01-06:00, Sat., 18 Apr. 0.0471 0.0400 0.0429
04:01-05:00, Sat., 18 Apr. 0.0474 0.0401 0.0434
03:01-04:00, Sat., 18 Apr. 0.0465 0.0374 0.0425
02:01-03:00, Sat., 18 Apr. 0.0464 0.0385 0.0419
01:01-02:00, Sat., 18 Apr. 0.0454 0.0383 0.0414
00:01-01:00, Sat., 18 Apr. 0.0435 0.0363 0.0392
23:01-24:00, Fri., 17 Apr. 0.0411 0.0336 0.0368
22:01-23:00, Fri., 17 Apr. 0.0385 0.0338 0.0363
21:01-22:00, Fri., 17 Apr. 0.0381 0.0338 0.0360
20:01-21:00, Fri., 17 Apr. 0.0395 0.0343 0.0365
19:01-20:00, Fri., 17 Apr. 0.0386 0.0339 0.0362
18:01-19:00, Fri., 17 Apr. 0.0407 0.0336 0.0361
17:01-18:00, Fri., 17 Apr. 0.0377 0.0342 0.0361
16:01-17:00, Fri., 17 Apr. 0.0381 0.0347 0.0361
15:01-16:00, Fri., 17 Apr. 0.0396 0.0343 0.0362
14:01-15:00, Fri., 17 Apr. 0.0391 0.0342 0.0365
13:01-14:00, Fri., 17 Apr. 0.0380 0.0335 0.0363
12:01-13:00, Fri., 17 Apr. 0.0399 0.0340 0.0363
11:01-12:00, Fri., 17 Apr. 0.0394 0.0347 0.0362
10:01-11:00, Fri., 17 Apr. 0.0385 0.0344 0.0362
09:01-10:00, Fri., 17 Apr. 0.0393 0.0337 0.0360
08:01-09:00, Fri., 17 Apr. 0.0384 0.0337 0.0359
07:01-08:00, Fri., 17 Apr. 0.0405 0.0333 0.0358
06:01-07:00, Fri., 17 Apr. 0.0405 0.0342 0.0361
05:01-06:00, Fri., 17 Apr. 0.0380 0.0332 0.0356
04:01-05:00, Fri., 17 Apr. 0.0391 0.0344 0.0361
03:01-04:00, Fri., 17 Apr. 0.0375 0.0343 0.0359
02:01-03:00, Fri., 17 Apr. 0.0390 0.0329 0.0359
01:01-02:00, Fri., 17 Apr. 0.0399 0.0344 0.0362
00:01-01:00, Fri., 17 Apr. 0.0399 0.0338 0.0361
23:01-24:00, Thu., 16 Apr. 0.0387 0.0335 0.0361
22:01-23:00, Thu., 16 Apr. 0.0395 0.0347 0.0363
21:01-22:00, Thu., 16 Apr. 0.0417 0.0349 0.0374
20:01-21:00, Thu., 16 Apr. 0.0457 0.0364 0.0402
19:01-20:00, Thu., 16 Apr. 0.0441 0.0367 0.0401
18:01-19:00, Thu., 16 Apr. 0.0427 0.0342 0.0377
17:01-18:00, Thu., 16 Apr. 0.0398 0.0346 0.0361
16:01-17:00, Thu., 16 Apr. 0.0388 0.0340 0.0362
15:01-16:00, Thu., 16 Apr. 0.0393 0.0336 0.0362
14:01-15:00, Thu., 16 Apr. 0.0388 0.0341 0.0363
13:01-14:00, Thu., 16 Apr. 0.0402 0.0327 0.0364
12:01-13:00, Thu., 16 Apr. 0.0398 0.0346 0.0365
11:01-12:00, Thu., 16 Apr. 0.0394 0.0345 0.0365
10:01-11:00, Thu., 16 Apr. 0.0391 0.0344 0.0364
09:01-10:00, Thu., 16 Apr. 0.0394 0.0341 0.0362
08:01-09:00, Thu., 16 Apr. 0.0386 0.0339 0.0360
07:01-08:00, Thu., 16 Apr. 0.0383 0.0336 0.0358
06:01-07:00, Thu., 16 Apr. 0.0390 0.0345 0.0362
05:01-06:00, Thu., 16 Apr. 0.0389 0.0341 0.0361
04:01-05:00, Thu., 16 Apr. 0.0398 0.0346 0.0365
03:01-04:00, Thu., 16 Apr. 0.0398 0.0342 0.0367
02:01-03:00, Thu., 16 Apr. 0.0398 0.0348 0.0367
01:01-02:00, Thu., 16 Apr. 0.0394 0.0346 0.0366
00:01-01:00, Thu., 16 Apr. 0.0395 0.0342 0.0366
23:01-24:00, Wed., 15 Apr. 0.0415 0.0344 0.0366
22:01-23:00, Wed., 15 Apr. 0.0402 0.0338 0.0363
21:01-22:00, Wed., 15 Apr. 0.0397 0.0342 0.0365
20:01-21:00, Wed., 15 Apr. 0.0388 0.0341 0.0365
19:01-20:00, Wed., 15 Apr. 0.0406 0.0342 0.0365
18:01-19:00, Wed., 15 Apr. 0.0381 0.0336 0.0361
17:01-18:00, Wed., 15 Apr. 0.0380 0.0345 0.0361
16:01-17:00, Wed., 15 Apr. 0.0397 0.0339 0.0365
15:01-16:00, Wed., 15 Apr. 0.0395 0.0345 0.0365
14:01-15:00, Wed., 15 Apr. 0.0382 0.0334 0.0363
13:01-14:00, Wed., 15 Apr. 0.0393 0.0336 0.0366
12:01-13:00, Wed., 15 Apr. 0.0397 0.0343 0.0367
11:01-12:00, Wed., 15 Apr. 0.0393 0.0341 0.0363
10:01-11:00, Wed., 15 Apr. 0.0405 0.0346 0.0368
09:01-10:00, Wed., 15 Apr. 0.0410 0.0347 0.0368
08:01-09:00, Wed., 15 Apr. 0.0394 0.0342 0.0366
07:01-08:00, Wed., 15 Apr. 0.0392 0.0340 0.0365
06:01-07:00, Wed., 15 Apr. 0.0404 0.0343 0.0362
05:01-06:00, Wed., 15 Apr. 0.0383 0.0342 0.0359
04:01-05:00, Wed., 15 Apr. 0.0394 0.0342 0.0363
03:01-04:00, Wed., 15 Apr. 0.0388 0.0337 0.0361
02:01-03:00, Wed., 15 Apr. 0.0414 0.0339 0.0361
01:01-02:00, Wed., 15 Apr. 0.0396 0.0345 0.0362
00:01-01:00, Wed., 15 Apr. 0.0384 0.0336 0.0359
23:01-24:00, Tue., 14 Apr. 0.0385 0.0341 0.0361
22:01-23:00, Tue., 14 Apr. 0.0382 0.0346 0.0361
21:01-22:00, Tue., 14 Apr. 0.0392 0.0339 0.0359
20:01-21:00, Tue., 14 Apr. 0.0389 0.0345 0.0363
19:01-20:00, Tue., 14 Apr. 0.0386 0.0340 0.0361
18:01-19:00, Tue., 14 Apr. 0.0389 0.0329 0.0359
17:01-18:00, Tue., 14 Apr. 0.0384 0.0339 0.0360
16:01-17:00, Tue., 14 Apr. 0.0383 0.0334 0.0360
15:01-16:00, Tue., 14 Apr. 0.0391 0.0340 0.0359
14:01-15:00, Tue., 14 Apr. 0.0414 0.0331 0.0363
13:01-14:00, Tue., 14 Apr. 0.0403 0.0338 0.0361
12:01-13:00, Tue., 14 Apr. 0.0390 0.0348 0.0361
11:01-12:00, Tue., 14 Apr. 0.0381 0.0348 0.0362
10:01-11:00, Tue., 14 Apr. 0.0394 0.0336 0.0360
09:01-10:00, Tue., 14 Apr. 0.0383 0.0334 0.0360
08:01-09:00, Tue., 14 Apr. 0.0395 0.0344 0.0363
07:01-08:00, Tue., 14 Apr. 0.0393 0.0332 0.0358
06:01-07:00, Tue., 14 Apr. 0.0381 0.0337 0.0360
05:01-06:00, Tue., 14 Apr. 0.0383 0.0345 0.0361
04:01-05:00, Tue., 14 Apr. 0.0389 0.0346 0.0362
03:01-04:00, Tue., 14 Apr. 0.0408 0.0333 0.0366
02:01-03:00, Tue., 14 Apr. 0.0417 0.0353 0.0377
01:01-02:00, Tue., 14 Apr. 0.0456 0.0378 0.0418
00:01-01:00, Tue., 14 Apr. 0.0494 0.0378 0.0435
23:01-24:00, Mon., 13 Apr. 0.0452 0.0378 0.0416
22:01-23:00, Mon., 13 Apr. 0.0463 0.0391 0.0430
21:01-22:00, Mon., 13 Apr. 0.0482 0.0391 0.0440
20:01-21:00, Mon., 13 Apr. 0.0479 0.0420 0.0450
19:01-20:00, Mon., 13 Apr. 0.0519 0.0431 0.0468
18:01-19:00, Mon., 13 Apr. 0.0542 0.0450 0.0502
17:01-18:00, Mon., 13 Apr. 0.0602 0.0486 0.0543
16:01-17:00, Mon., 13 Apr. 0.0588 0.0506 0.0552
15:01-16:00, Mon., 13 Apr. 0.0586 0.0469 0.0517
14:01-15:00, Mon., 13 Apr. 0.0522 0.0453 0.0487
13:01-14:00, Mon., 13 Apr. 0.0555 0.0476 0.0513
12:01-13:00, Mon., 13 Apr. 0.0545 0.0475 0.0513
11:01-12:00, Mon., 13 Apr. 0.0560 0.0483 0.0517
10:01-11:00, Mon., 13 Apr. 0.0572 0.0485 0.0518
09:01-10:00, Mon., 13 Apr. 0.0561 0.0473 0.0524
08:01-09:00, Mon., 13 Apr. 0.0531 0.0446 0.0484
07:01-08:00, Mon., 13 Apr. 0.0504 0.0407 0.0462
06:01-07:00, Mon., 13 Apr. 0.0489 0.0400 0.0449
05:01-06:00, Mon., 13 Apr. 0.0486 0.0422 0.0450
04:01-05:00, Mon., 13 Apr. 0.0522 0.0432 0.0483
03:01-04:00, Mon., 13 Apr. 0.0507 0.0421 0.0467
02:01-03:00, Mon., 13 Apr. 0.0515 0.0435 0.0476
01:01-02:00, Mon., 13 Apr. 0.0497 0.0424 0.0452
00:01-01:00, Mon., 13 Apr. 0.0454 0.0375 0.0422