Measurement results by the hour (Shinjuku) 9 Mar., 2020 - 15 Mar., 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., 15 Mar. 0.0399 0.0351 0.0371
22:01-23:00, Sun., 15 Mar. 0.0389 0.0342 0.0366
21:01-22:00, Sun., 15 Mar. 0.0397 0.0338 0.0363
20:01-21:00, Sun., 15 Mar. 0.0387 0.0340 0.0360
19:01-20:00, Sun., 15 Mar. 0.0386 0.0337 0.0362
18:01-19:00, Sun., 15 Mar. 0.0373 0.0344 0.0360
17:01-18:00, Sun., 15 Mar. 0.0395 0.0347 0.0364
16:01-17:00, Sun., 15 Mar. 0.0409 0.0344 0.0365
15:01-16:00, Sun., 15 Mar. 0.0399 0.0348 0.0366
14:01-15:00, Sun., 15 Mar. 0.0396 0.0338 0.0365
13:01-14:00, Sun., 15 Mar. 0.0419 0.0345 0.0367
12:01-13:00, Sun., 15 Mar. 0.0396 0.0342 0.0364
11:01-12:00, Sun., 15 Mar. 0.0388 0.0339 0.0365
10:01-11:00, Sun., 15 Mar. 0.0396 0.0336 0.0365
09:01-10:00, Sun., 15 Mar. 0.0396 0.0346 0.0366
08:01-09:00, Sun., 15 Mar. 0.0406 0.0339 0.0363
07:01-08:00, Sun., 15 Mar. 0.0400 0.0344 0.0367
06:01-07:00, Sun., 15 Mar. 0.0405 0.0342 0.0364
05:01-06:00, Sun., 15 Mar. 0.0399 0.0337 0.0364
04:01-05:00, Sun., 15 Mar. 0.0404 0.0335 0.0365
03:01-04:00, Sun., 15 Mar. 0.0393 0.0346 0.0365
02:01-03:00, Sun., 15 Mar. 0.0385 0.0336 0.0362
01:01-02:00, Sun., 15 Mar. 0.0394 0.0346 0.0369
00:01-01:00, Sun., 15 Mar. 0.0392 0.0352 0.0367
23:01-24:00, Sat., 14 Mar. 0.0414 0.0339 0.0367
22:01-23:00, Sat., 14 Mar. 0.0400 0.0336 0.0365
21:01-22:00, Sat., 14 Mar. 0.0391 0.0345 0.0367
20:01-21:00, Sat., 14 Mar. 0.0399 0.0356 0.0376
19:01-20:00, Sat., 14 Mar. 0.0459 0.0355 0.0406
18:01-19:00, Sat., 14 Mar. 0.0477 0.0398 0.0440
17:01-18:00, Sat., 14 Mar. 0.0544 0.0448 0.0490
16:01-17:00, Sat., 14 Mar. 0.0588 0.0487 0.0526
15:01-16:00, Sat., 14 Mar. 0.0593 0.0496 0.0548
14:01-15:00, Sat., 14 Mar. 0.0603 0.0526 0.0553
13:01-14:00, Sat., 14 Mar. 0.0584 0.0484 0.0538
12:01-13:00, Sat., 14 Mar. 0.0553 0.0480 0.0517
11:01-12:00, Sat., 14 Mar. 0.0522 0.0437 0.0477
10:01-11:00, Sat., 14 Mar. 0.0502 0.0408 0.0461
09:01-10:00, Sat., 14 Mar. 0.0508 0.0435 0.0469
08:01-09:00, Sat., 14 Mar. 0.0494 0.0353 0.0435
07:01-08:00, Sat., 14 Mar. 0.0398 0.0346 0.0367
06:01-07:00, Sat., 14 Mar. 0.0404 0.0338 0.0365
05:01-06:00, Sat., 14 Mar. 0.0396 0.0344 0.0363
04:01-05:00, Sat., 14 Mar. 0.0385 0.0349 0.0365
03:01-04:00, Sat., 14 Mar. 0.0395 0.0344 0.0364
02:01-03:00, Sat., 14 Mar. 0.0400 0.0355 0.0367
01:01-02:00, Sat., 14 Mar. 0.0402 0.0347 0.0370
00:01-01:00, Sat., 14 Mar. 0.0408 0.0338 0.0369
23:01-24:00, Fri., 13 Mar. 0.0406 0.0349 0.0375
22:01-23:00, Fri., 13 Mar. 0.0393 0.0345 0.0367
21:01-22:00, Fri., 13 Mar. 0.0400 0.0339 0.0368
20:01-21:00, Fri., 13 Mar. 0.0404 0.0349 0.0368
19:01-20:00, Fri., 13 Mar. 0.0391 0.0352 0.0369
18:01-19:00, Fri., 13 Mar. 0.0405 0.0351 0.0369
17:01-18:00, Fri., 13 Mar. 0.0411 0.0342 0.0367
16:01-17:00, Fri., 13 Mar. 0.0390 0.0347 0.0368
15:01-16:00, Fri., 13 Mar. 0.0394 0.0335 0.0365
14:01-15:00, Fri., 13 Mar. 0.0400 0.0340 0.0366
13:01-14:00, Fri., 13 Mar. 0.0400 0.0342 0.0367
12:01-13:00, Fri., 13 Mar. 0.0396 0.0346 0.0369
11:01-12:00, Fri., 13 Mar. 0.0405 0.0351 0.0369
10:01-11:00, Fri., 13 Mar. 0.0394 0.0343 0.0368
09:01-10:00, Fri., 13 Mar. 0.0404 0.0348 0.0367
08:01-09:00, Fri., 13 Mar. 0.0406 0.0345 0.0366
07:01-08:00, Fri., 13 Mar. 0.0407 0.0352 0.0370
06:01-07:00, Fri., 13 Mar. 0.0393 0.0349 0.0366
05:01-06:00, Fri., 13 Mar. 0.0398 0.0343 0.0365
04:01-05:00, Fri., 13 Mar. 0.0402 0.0343 0.0367
03:01-04:00, Fri., 13 Mar. 0.0378 0.0341 0.0362
02:01-03:00, Fri., 13 Mar. 0.0396 0.0346 0.0366
01:01-02:00, Fri., 13 Mar. 0.0401 0.0340 0.0365
00:01-01:00, Fri., 13 Mar. 0.0397 0.0353 0.0367
23:01-24:00, Thu., 12 Mar. 0.0386 0.0348 0.0365
22:01-23:00, Thu., 12 Mar. 0.0424 0.0343 0.0365
21:01-22:00, Thu., 12 Mar. 0.0398 0.0345 0.0365
20:01-21:00, Thu., 12 Mar. 0.0394 0.0349 0.0367
19:01-20:00, Thu., 12 Mar. 0.0397 0.0336 0.0366
18:01-19:00, Thu., 12 Mar. 0.0407 0.0349 0.0365
17:01-18:00, Thu., 12 Mar. 0.0395 0.0336 0.0365
16:01-17:00, Thu., 12 Mar. 0.0391 0.0340 0.0365
15:01-16:00, Thu., 12 Mar. 0.0405 0.0341 0.0367
14:01-15:00, Thu., 12 Mar. 0.0408 0.0341 0.0370
13:01-14:00, Thu., 12 Mar. 0.0413 0.0343 0.0368
12:01-13:00, Thu., 12 Mar. 0.0403 0.0347 0.0368
11:01-12:00, Thu., 12 Mar. 0.0401 0.0340 0.0365
10:01-11:00, Thu., 12 Mar. 0.0401 0.0346 0.0368
09:01-10:00, Thu., 12 Mar. 0.0396 0.0351 0.0367
08:01-09:00, Thu., 12 Mar. 0.0407 0.0342 0.0367
07:01-08:00, Thu., 12 Mar. 0.0410 0.0349 0.0367
06:01-07:00, Thu., 12 Mar. 0.0401 0.0345 0.0366
05:01-06:00, Thu., 12 Mar. 0.0389 0.0349 0.0363
04:01-05:00, Thu., 12 Mar. 0.0388 0.0350 0.0366
03:01-04:00, Thu., 12 Mar. 0.0400 0.0348 0.0367
02:01-03:00, Thu., 12 Mar. 0.0401 0.0347 0.0368
01:01-02:00, Thu., 12 Mar. 0.0405 0.0344 0.0366
00:01-01:00, Thu., 12 Mar. 0.0399 0.0343 0.0368
23:01-24:00, Wed., 11 Mar. 0.0409 0.0349 0.0372
22:01-23:00, Wed., 11 Mar. 0.0399 0.0350 0.0369
21:01-22:00, Wed., 11 Mar. 0.0407 0.0345 0.0369
20:01-21:00, Wed., 11 Mar. 0.0410 0.0353 0.0371
19:01-20:00, Wed., 11 Mar. 0.0398 0.0347 0.0370
18:01-19:00, Wed., 11 Mar. 0.0391 0.0346 0.0367
17:01-18:00, Wed., 11 Mar. 0.0404 0.0344 0.0366
16:01-17:00, Wed., 11 Mar. 0.0413 0.0340 0.0371
15:01-16:00, Wed., 11 Mar. 0.0420 0.0355 0.0377
14:01-15:00, Wed., 11 Mar. 0.0393 0.0349 0.0367
13:01-14:00, Wed., 11 Mar. 0.0399 0.0348 0.0366
12:01-13:00, Wed., 11 Mar. 0.0389 0.0342 0.0366
11:01-12:00, Wed., 11 Mar. 0.0401 0.0351 0.0366
10:01-11:00, Wed., 11 Mar. 0.0399 0.0348 0.0368
09:01-10:00, Wed., 11 Mar. 0.0387 0.0347 0.0362
08:01-09:00, Wed., 11 Mar. 0.0402 0.0344 0.0364
07:01-08:00, Wed., 11 Mar. 0.0404 0.0339 0.0366
06:01-07:00, Wed., 11 Mar. 0.0399 0.0348 0.0367
05:01-06:00, Wed., 11 Mar. 0.0405 0.0352 0.0371
04:01-05:00, Wed., 11 Mar. 0.0411 0.0349 0.0368
03:01-04:00, Wed., 11 Mar. 0.0404 0.0348 0.0365
02:01-03:00, Wed., 11 Mar. 0.0383 0.0339 0.0364
01:01-02:00, Wed., 11 Mar. 0.0388 0.0337 0.0363
00:01-01:00, Wed., 11 Mar. 0.0395 0.0344 0.0364
23:01-24:00, Tue., 10 Mar. 0.0389 0.0344 0.0364
22:01-23:00, Tue., 10 Mar. 0.0408 0.0348 0.0368
21:01-22:00, Tue., 10 Mar. 0.0407 0.0347 0.0374
20:01-21:00, Tue., 10 Mar. 0.0487 0.0363 0.0412
19:01-20:00, Tue., 10 Mar. 0.0544 0.0424 0.0491
18:01-19:00, Tue., 10 Mar. 0.0527 0.0439 0.0493
17:01-18:00, Tue., 10 Mar. 0.0510 0.0393 0.0459
16:01-17:00, Tue., 10 Mar. 0.0456 0.0356 0.0400
15:01-16:00, Tue., 10 Mar. 0.0480 0.0391 0.0427
14:01-15:00, Tue., 10 Mar. 0.0489 0.0400 0.0449
13:01-14:00, Tue., 10 Mar. 0.0442 0.0342 0.0390
12:01-13:00, Tue., 10 Mar. 0.0398 0.0340 0.0366
11:01-12:00, Tue., 10 Mar. 0.0399 0.0341 0.0367
10:01-11:00, Tue., 10 Mar. 0.0411 0.0353 0.0376
09:01-10:00, Tue., 10 Mar. 0.0422 0.0367 0.0392
08:01-09:00, Tue., 10 Mar. 0.0417 0.0343 0.0373
07:01-08:00, Tue., 10 Mar. 0.0395 0.0351 0.0368
06:01-07:00, Tue., 10 Mar. 0.0397 0.0347 0.0365
05:01-06:00, Tue., 10 Mar. 0.0406 0.0355 0.0373
04:01-05:00, Tue., 10 Mar. 0.0403 0.0348 0.0371
03:01-04:00, Tue., 10 Mar. 0.0414 0.0343 0.0366
02:01-03:00, Tue., 10 Mar. 0.0390 0.0342 0.0362
01:01-02:00, Tue., 10 Mar. 0.0385 0.0340 0.0360
00:01-01:00, Tue., 10 Mar. 0.0383 0.0339 0.0361
23:01-24:00, Mon., 09 Mar. 0.0382 0.0340 0.0361
22:01-23:00, Mon., 09 Mar. 0.0399 0.0345 0.0361
21:01-22:00, Mon., 09 Mar. 0.0386 0.0340 0.0359
20:01-21:00, Mon., 09 Mar. 0.0384 0.0341 0.0362
19:01-20:00, Mon., 09 Mar. 0.0378 0.0335 0.0358
18:01-19:00, Mon., 09 Mar. 0.0396 0.0340 0.0361
17:01-18:00, Mon., 09 Mar. 0.0388 0.0343 0.0361
16:01-17:00, Mon., 09 Mar. 0.0376 0.0349 0.0363
15:01-16:00, Mon., 09 Mar. 0.0395 0.0342 0.0366
14:01-15:00, Mon., 09 Mar. 0.0397 0.0342 0.0365
13:01-14:00, Mon., 09 Mar. 0.0385 0.0341 0.0365
12:01-13:00, Mon., 09 Mar. 0.0394 0.0349 0.0366
11:01-12:00, Mon., 09 Mar. 0.0391 0.0337 0.0364
10:01-11:00, Mon., 09 Mar. 0.0401 0.0328 0.0366
09:01-10:00, Mon., 09 Mar. 0.0406 0.0337 0.0369
08:01-09:00, Mon., 09 Mar. 0.0394 0.0350 0.0366
07:01-08:00, Mon., 09 Mar. 0.0406 0.0341 0.0361
06:01-07:00, Mon., 09 Mar. 0.0396 0.0345 0.0363
05:01-06:00, Mon., 09 Mar. 0.0392 0.0350 0.0364
04:01-05:00, Mon., 09 Mar. 0.0400 0.0341 0.0366
03:01-04:00, Mon., 09 Mar. 0.0415 0.0345 0.0368
02:01-03:00, Mon., 09 Mar. 0.0401 0.0341 0.0367
01:01-02:00, Mon., 09 Mar. 0.0397 0.0322 0.0363
00:01-01:00, Mon., 09 Mar. 0.0386 0.0341 0.0364