Measurement results by the hour (Shinjuku) 12 Aug., 2024 - 18 Aug., 2024

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 Aug. 0.0380 0.0343 0.0360
22:01-23:00, Sun., 18 Aug. 0.0428 0.0339 0.0364
21:01-22:00, Sun., 18 Aug. 0.0380 0.0330 0.0359
20:01-21:00, Sun., 18 Aug. 0.0396 0.0340 0.0362
19:01-20:00, Sun., 18 Aug. 0.0384 0.0335 0.0359
18:01-19:00, Sun., 18 Aug. 0.0396 0.0336 0.0360
09:01-10:00, Sun., 18 Aug. 0.0371 0.0341 0.0359
08:01-09:00, Sun., 18 Aug. 0.0391 0.0338 0.0359
07:01-08:00, Sun., 18 Aug. 0.0381 0.0334 0.0361
06:01-07:00, Sun., 18 Aug. 0.0377 0.0340 0.0359
05:01-06:00, Sun., 18 Aug. 0.0390 0.0337 0.0358
04:01-05:00, Sun., 18 Aug. 0.0386 0.0340 0.0361
03:01-04:00, Sun., 18 Aug. 0.0378 0.0341 0.0360
02:01-03:00, Sun., 18 Aug. 0.0398 0.0332 0.0361
01:01-02:00, Sun., 18 Aug. 0.0382 0.0328 0.0359
00:01-01:00, Sun., 18 Aug. 0.0399 0.0338 0.0358
23:01-24:00, Sat., 17 Aug. 0.0376 0.0336 0.0360
22:01-23:00, Sat., 17 Aug. 0.0385 0.0339 0.0359
21:01-22:00, Sat., 17 Aug. 0.0386 0.0336 0.0364
20:01-21:00, Sat., 17 Aug. 0.0387 0.0341 0.0362
19:01-20:00, Sat., 17 Aug. 0.0388 0.0336 0.0363
18:01-19:00, Sat., 17 Aug. 0.0381 0.0343 0.0362
08:01-09:00, Sat., 17 Aug. 0.0378 0.0357 0.0365
07:01-08:00, Sat., 17 Aug. 0.0393 0.0346 0.0365
06:01-07:00, Sat., 17 Aug. 0.0386 0.0345 0.0363
05:01-06:00, Sat., 17 Aug. 0.0397 0.0348 0.0363
04:01-05:00, Sat., 17 Aug. 0.0382 0.0344 0.0362
03:01-04:00, Sat., 17 Aug. 0.0397 0.0340 0.0361
02:01-03:00, Sat., 17 Aug. 0.0375 0.0342 0.0360
01:01-02:00, Sat., 17 Aug. 0.0390 0.0339 0.0361
00:01-01:00, Sat., 17 Aug. 0.0381 0.0342 0.0361
23:01-24:00, Fri., 16 Aug. 0.0401 0.0348 0.0366
22:01-23:00, Fri., 16 Aug. 0.0407 0.0353 0.0381
21:01-22:00, Fri., 16 Aug. 0.0427 0.0366 0.0398
20:01-21:00, Fri., 16 Aug. 0.0420 0.0360 0.0382
19:01-20:00, Fri., 16 Aug. 0.0390 0.0343 0.0366
18:01-19:00, Fri., 16 Aug. 0.0386 0.0338 0.0366
17:01-18:00, Fri., 16 Aug. 0.0396 0.0347 0.0369
16:01-17:00, Fri., 16 Aug. 0.0393 0.0351 0.0366
15:01-16:00, Fri., 16 Aug. 0.0394 0.0344 0.0364
14:01-15:00, Fri., 16 Aug. 0.0378 0.0344 0.0362
13:01-14:00, Fri., 16 Aug. 0.0380 0.0341 0.0359
12:01-13:00, Fri., 16 Aug. 0.0390 0.0344 0.0363
11:01-12:00, Fri., 16 Aug. 0.0408 0.0344 0.0365
10:01-11:00, Fri., 16 Aug. 0.0389 0.0338 0.0358
09:01-10:00, Fri., 16 Aug. 0.0403 0.0341 0.0364
08:01-09:00, Fri., 16 Aug. 0.0422 0.0349 0.0379
07:01-08:00, Fri., 16 Aug. 0.0443 0.0357 0.0398
06:01-07:00, Fri., 16 Aug. 0.0424 0.0361 0.0385
05:01-06:00, Fri., 16 Aug. 0.0387 0.0342 0.0365
04:01-05:00, Fri., 16 Aug. 0.0397 0.0350 0.0370
03:01-04:00, Fri., 16 Aug. 0.0388 0.0336 0.0361
02:01-03:00, Fri., 16 Aug. 0.0420 0.0338 0.0362
01:01-02:00, Fri., 16 Aug. 0.0383 0.0339 0.0357
00:01-01:00, Fri., 16 Aug. 0.0385 0.0334 0.0358
23:01-24:00, Thu., 15 Aug. 0.0392 0.0326 0.0356
22:01-23:00, Thu., 15 Aug. 0.0375 0.0337 0.0354
21:01-22:00, Thu., 15 Aug. 0.0371 0.0332 0.0355
20:01-21:00, Thu., 15 Aug. 0.0370 0.0324 0.0352
19:01-20:00, Thu., 15 Aug. 0.0379 0.0329 0.0355
18:01-19:00, Thu., 15 Aug. 0.0386 0.0329 0.0355
17:01-18:00, Thu., 15 Aug. 0.0380 0.0340 0.0353
08:01-09:00, Thu., 15 Aug. 0.0389 0.0340 0.0360
07:01-08:00, Thu., 15 Aug. 0.0389 0.0335 0.0361
06:01-07:00, Thu., 15 Aug. 0.0406 0.0343 0.0362
05:01-06:00, Thu., 15 Aug. 0.0381 0.0343 0.0360
04:01-05:00, Thu., 15 Aug. 0.0390 0.0328 0.0362
03:01-04:00, Thu., 15 Aug. 0.0392 0.0343 0.0364
02:01-03:00, Thu., 15 Aug. 0.0380 0.0335 0.0358
01:01-02:00, Thu., 15 Aug. 0.0387 0.0328 0.0355
00:01-01:00, Thu., 15 Aug. 0.0376 0.0329 0.0358
23:01-24:00, Wed., 14 Aug. 0.0376 0.0328 0.0355
22:01-23:00, Wed., 14 Aug. 0.0400 0.0327 0.0357
21:01-22:00, Wed., 14 Aug. 0.0382 0.0339 0.0357
20:01-21:00, Wed., 14 Aug. 0.0376 0.0340 0.0357
19:01-20:00, Wed., 14 Aug. 0.0374 0.0336 0.0356
18:01-19:00, Wed., 14 Aug. 0.0388 0.0339 0.0356
17:01-18:00, Wed., 14 Aug. 0.0377 0.0332 0.0359
16:01-17:00, Wed., 14 Aug. 0.0404 0.0344 0.0366
15:01-16:00, Wed., 14 Aug. 0.0434 0.0349 0.0385
14:01-15:00, Wed., 14 Aug. 0.0458 0.0367 0.0408
13:01-14:00, Wed., 14 Aug. 0.0561 0.0391 0.0466
12:01-13:00, Wed., 14 Aug. 0.0694 0.0532 0.0613
11:01-12:00, Wed., 14 Aug. 0.0559 0.0468 0.0508
07:01-08:00, Wed., 14 Aug. 0.0399 0.0347 0.0369
06:01-07:00, Wed., 14 Aug. 0.0414 0.0345 0.0370
05:01-06:00, Wed., 14 Aug. 0.0405 0.0351 0.0371
04:01-05:00, Wed., 14 Aug. 0.0395 0.0342 0.0365
03:01-04:00, Wed., 14 Aug. 0.0400 0.0351 0.0367
02:01-03:00, Wed., 14 Aug. 0.0402 0.0340 0.0366
01:01-02:00, Wed., 14 Aug. 0.0394 0.0343 0.0363
00:01-01:00, Wed., 14 Aug. 0.0391 0.0334 0.0362
23:01-24:00, Tue., 13 Aug. 0.0401 0.0346 0.0364
22:01-23:00, Tue., 13 Aug. 0.0404 0.0341 0.0362
21:01-22:00, Tue., 13 Aug. 0.0392 0.0342 0.0362
20:01-21:00, Tue., 13 Aug. 0.0377 0.0340 0.0360
19:01-20:00, Tue., 13 Aug. 0.0373 0.0351 0.0365
07:01-08:00, Tue., 13 Aug. 0.0379 0.0348 0.0363
06:01-07:00, Tue., 13 Aug. 0.0388 0.0343 0.0365
05:01-06:00, Tue., 13 Aug. 0.0401 0.0343 0.0365
04:01-05:00, Tue., 13 Aug. 0.0380 0.0341 0.0363
03:01-04:00, Tue., 13 Aug. 0.0399 0.0345 0.0365
02:01-03:00, Tue., 13 Aug. 0.0401 0.0338 0.0365
01:01-02:00, Tue., 13 Aug. 0.0394 0.0343 0.0363
00:01-01:00, Tue., 13 Aug. 0.0406 0.0347 0.0362
23:01-24:00, Mon., 12 Aug. 0.0416 0.0349 0.0368
22:01-23:00, Mon., 12 Aug. 0.0384 0.0347 0.0363
21:01-22:00, Mon., 12 Aug. 0.0388 0.0348 0.0366
20:01-21:00, Mon., 12 Aug. 0.0400 0.0344 0.0365
19:01-20:00, Mon., 12 Aug. 0.0389 0.0342 0.0362
06:01-07:00, Mon., 12 Aug. 0.0404 0.0348 0.0367
05:01-06:00, Mon., 12 Aug. 0.0401 0.0344 0.0369
04:01-05:00, Mon., 12 Aug. 0.0411 0.0349 0.0369
03:01-04:00, Mon., 12 Aug. 0.0400 0.0340 0.0367
02:01-03:00, Mon., 12 Aug. 0.0401 0.0347 0.0369
01:01-02:00, Mon., 12 Aug. 0.0384 0.0340 0.0363
00:01-01:00, Mon., 12 Aug. 0.0405 0.0344 0.0367