Measurement results by the hour (Shinjuku) 29 Jan., 2024 - 4 Feb., 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., 04 Feb. 0.0374 0.0332 0.0353
22:01-23:00, Sun., 04 Feb. 0.0382 0.0330 0.0355
21:01-22:00, Sun., 04 Feb. 0.0375 0.0325 0.0354
20:01-21:00, Sun., 04 Feb. 0.0370 0.0334 0.0352
19:01-20:00, Sun., 04 Feb. 0.0377 0.0332 0.0353
18:01-19:00, Sun., 04 Feb. 0.0374 0.0328 0.0352
17:01-18:00, Sun., 04 Feb. 0.0381 0.0334 0.0354
16:01-17:00, Sun., 04 Feb. 0.0380 0.0337 0.0356
15:01-16:00, Sun., 04 Feb. 0.0372 0.0332 0.0357
14:01-15:00, Sun., 04 Feb. 0.0382 0.0339 0.0358
13:01-14:00, Sun., 04 Feb. 0.0378 0.0341 0.0358
12:01-13:00, Sun., 04 Feb. 0.0384 0.0341 0.0362
11:01-12:00, Sun., 04 Feb. 0.0419 0.0352 0.0383
10:01-11:00, Sun., 04 Feb. 0.0540 0.0395 0.0458
09:01-10:00, Sun., 04 Feb. 0.0543 0.0456 0.0504
08:01-09:00, Sun., 04 Feb. 0.0535 0.0455 0.0493
07:01-08:00, Sun., 04 Feb. 0.0488 0.0412 0.0456
06:01-07:00, Sun., 04 Feb. 0.0492 0.0414 0.0452
05:01-06:00, Sun., 04 Feb. 0.0521 0.0428 0.0475
04:01-05:00, Sun., 04 Feb. 0.0483 0.0416 0.0446
03:01-04:00, Sun., 04 Feb. 0.0453 0.0364 0.0398
02:01-03:00, Sun., 04 Feb. 0.0419 0.0359 0.0383
01:01-02:00, Sun., 04 Feb. 0.0413 0.0342 0.0372
00:01-01:00, Sun., 04 Feb. 0.0383 0.0339 0.0357
23:01-24:00, Sat., 03 Feb. 0.0375 0.0339 0.0357
22:01-23:00, Sat., 03 Feb. 0.0378 0.0328 0.0354
21:01-22:00, Sat., 03 Feb. 0.0384 0.0333 0.0355
20:01-21:00, Sat., 03 Feb. 0.0394 0.0336 0.0356
19:01-20:00, Sat., 03 Feb. 0.0381 0.0331 0.0355
18:01-19:00, Sat., 03 Feb. 0.0375 0.0333 0.0353
17:01-18:00, Sat., 03 Feb. 0.0380 0.0331 0.0354
16:01-17:00, Sat., 03 Feb. 0.0370 0.0338 0.0355
15:01-16:00, Sat., 03 Feb. 0.0374 0.0333 0.0354
14:01-15:00, Sat., 03 Feb. 0.0371 0.0342 0.0354
13:01-14:00, Sat., 03 Feb. 0.0374 0.0327 0.0356
12:01-13:00, Sat., 03 Feb. 0.0373 0.0334 0.0354
11:01-12:00, Sat., 03 Feb. 0.0373 0.0343 0.0356
10:01-11:00, Sat., 03 Feb. 0.0378 0.0326 0.0355
09:01-10:00, Sat., 03 Feb. 0.0383 0.0330 0.0353
08:01-09:00, Sat., 03 Feb. 0.0369 0.0328 0.0355
07:01-08:00, Sat., 03 Feb. 0.0368 0.0331 0.0351
06:01-07:00, Sat., 03 Feb. 0.0383 0.0331 0.0354
05:01-06:00, Sat., 03 Feb. 0.0377 0.0330 0.0352
04:01-05:00, Sat., 03 Feb. 0.0380 0.0335 0.0354
03:01-04:00, Sat., 03 Feb. 0.0380 0.0331 0.0352
02:01-03:00, Sat., 03 Feb. 0.0382 0.0337 0.0356
01:01-02:00, Sat., 03 Feb. 0.0387 0.0331 0.0356
00:01-01:00, Sat., 03 Feb. 0.0372 0.0328 0.0354
23:01-24:00, Fri., 02 Feb. 0.0381 0.0331 0.0355
22:01-23:00, Fri., 02 Feb. 0.0381 0.0333 0.0356
21:01-22:00, Fri., 02 Feb. 0.0398 0.0342 0.0358
20:01-21:00, Fri., 02 Feb. 0.0373 0.0338 0.0355
19:01-20:00, Fri., 02 Feb. 0.0397 0.0334 0.0357
18:01-19:00, Fri., 02 Feb. 0.0397 0.0341 0.0363
17:01-18:00, Fri., 02 Feb. 0.0397 0.0345 0.0362
16:01-17:00, Fri., 02 Feb. 0.0402 0.0349 0.0369
15:01-16:00, Fri., 02 Feb. 0.0412 0.0345 0.0367
14:01-15:00, Fri., 02 Feb. 0.0417 0.0355 0.0379
13:01-14:00, Fri., 02 Feb. 0.0532 0.0364 0.0403
12:01-13:00, Fri., 02 Feb. 0.0535 0.0339 0.0390
11:01-12:00, Fri., 02 Feb. 0.0385 0.0337 0.0356
10:01-11:00, Fri., 02 Feb. 0.0389 0.0336 0.0356
09:01-10:00, Fri., 02 Feb. 0.0382 0.0332 0.0356
08:01-09:00, Fri., 02 Feb. 0.0402 0.0327 0.0353
07:01-08:00, Fri., 02 Feb. 0.0379 0.0332 0.0355
06:01-07:00, Fri., 02 Feb. 0.0381 0.0338 0.0356
05:01-06:00, Fri., 02 Feb. 0.0377 0.0335 0.0355
04:01-05:00, Fri., 02 Feb. 0.0373 0.0338 0.0354
03:01-04:00, Fri., 02 Feb. 0.0373 0.0330 0.0355
02:01-03:00, Fri., 02 Feb. 0.0385 0.0333 0.0357
01:01-02:00, Fri., 02 Feb. 0.0370 0.0322 0.0352
00:01-01:00, Fri., 02 Feb. 0.0374 0.0332 0.0356
23:01-24:00, Thu., 01 Feb. 0.0384 0.0333 0.0360
22:01-23:00, Thu., 01 Feb. 0.0388 0.0344 0.0360
21:01-22:00, Thu., 01 Feb. 0.0388 0.0341 0.0359
20:01-21:00, Thu., 01 Feb. 0.0389 0.0341 0.0361
19:01-20:00, Thu., 01 Feb. 0.0398 0.0336 0.0360
18:01-19:00, Thu., 01 Feb. 0.0404 0.0338 0.0359
17:01-18:00, Thu., 01 Feb. 0.0381 0.0340 0.0360
16:01-17:00, Thu., 01 Feb. 0.0395 0.0342 0.0362
15:01-16:00, Thu., 01 Feb. 0.0404 0.0338 0.0362
14:01-15:00, Thu., 01 Feb. 0.0392 0.0340 0.0363
13:01-14:00, Thu., 01 Feb. 0.0382 0.0339 0.0362
12:01-13:00, Thu., 01 Feb. 0.0407 0.0343 0.0364
11:01-12:00, Thu., 01 Feb. 0.0388 0.0342 0.0363
10:01-11:00, Thu., 01 Feb. 0.0385 0.0337 0.0361
09:01-10:00, Thu., 01 Feb. 0.0410 0.0347 0.0364
08:01-09:00, Thu., 01 Feb. 0.0408 0.0344 0.0366
07:01-08:00, Thu., 01 Feb. 0.0401 0.0347 0.0367
06:01-07:00, Thu., 01 Feb. 0.0395 0.0346 0.0367
05:01-06:00, Thu., 01 Feb. 0.0387 0.0342 0.0363
04:01-05:00, Thu., 01 Feb. 0.0392 0.0347 0.0366
03:01-04:00, Thu., 01 Feb. 0.0403 0.0348 0.0367
02:01-03:00, Thu., 01 Feb. 0.0388 0.0343 0.0364
01:01-02:00, Thu., 01 Feb. 0.0402 0.0341 0.0366
00:01-01:00, Thu., 01 Feb. 0.0404 0.0339 0.0363
23:01-24:00, Wed., 31 Jan. 0.0389 0.0343 0.0360
22:01-23:00, Wed., 31 Jan. 0.0374 0.0328 0.0358
21:01-22:00, Wed., 31 Jan. 0.0385 0.0337 0.0359
20:01-21:00, Wed., 31 Jan. 0.0381 0.0335 0.0358
19:01-20:00, Wed., 31 Jan. 0.0378 0.0327 0.0356
18:01-19:00, Wed., 31 Jan. 0.0389 0.0323 0.0356
17:01-18:00, Wed., 31 Jan. 0.0376 0.0332 0.0354
16:01-17:00, Wed., 31 Jan. 0.0384 0.0335 0.0358
15:01-16:00, Wed., 31 Jan. 0.0402 0.0340 0.0361
14:01-15:00, Wed., 31 Jan. 0.0383 0.0338 0.0362
13:01-14:00, Wed., 31 Jan. 0.0383 0.0339 0.0363
12:01-13:00, Wed., 31 Jan. 0.0404 0.0346 0.0366
11:01-12:00, Wed., 31 Jan. 0.0385 0.0345 0.0361
10:01-11:00, Wed., 31 Jan. 0.0401 0.0340 0.0366
09:01-10:00, Wed., 31 Jan. 0.0404 0.0345 0.0366
08:01-09:00, Wed., 31 Jan. 0.0402 0.0349 0.0368
07:01-08:00, Wed., 31 Jan. 0.0402 0.0347 0.0368
06:01-07:00, Wed., 31 Jan. 0.0398 0.0338 0.0367
05:01-06:00, Wed., 31 Jan. 0.0408 0.0349 0.0366
04:01-05:00, Wed., 31 Jan. 0.0391 0.0331 0.0362
03:01-04:00, Wed., 31 Jan. 0.0389 0.0343 0.0366
02:01-03:00, Wed., 31 Jan. 0.0394 0.0342 0.0367
01:01-02:00, Wed., 31 Jan. 0.0399 0.0347 0.0364
00:01-01:00, Wed., 31 Jan. 0.0405 0.0343 0.0365
23:01-24:00, Tue., 30 Jan. 0.0380 0.0337 0.0356
22:01-23:00, Tue., 30 Jan. 0.0377 0.0326 0.0353
21:01-22:00, Tue., 30 Jan. 0.0395 0.0335 0.0354
20:01-21:00, Tue., 30 Jan. 0.0377 0.0329 0.0357
19:01-20:00, Tue., 30 Jan. 0.0374 0.0336 0.0356
18:01-19:00, Tue., 30 Jan. 0.0382 0.0328 0.0353
17:01-18:00, Tue., 30 Jan. 0.0401 0.0330 0.0356
16:01-17:00, Tue., 30 Jan. 0.0384 0.0339 0.0359
15:01-16:00, Tue., 30 Jan. 0.0389 0.0340 0.0359
14:01-15:00, Tue., 30 Jan. 0.0389 0.0340 0.0358
13:01-14:00, Tue., 30 Jan. 0.0397 0.0337 0.0360
12:01-13:00, Tue., 30 Jan. 0.0390 0.0340 0.0359
11:01-12:00, Tue., 30 Jan. 0.0390 0.0341 0.0361
10:01-11:00, Tue., 30 Jan. 0.0385 0.0341 0.0363
09:01-10:00, Tue., 30 Jan. 0.0399 0.0351 0.0367
08:01-09:00, Tue., 30 Jan. 0.0410 0.0343 0.0366
07:01-08:00, Tue., 30 Jan. 0.0389 0.0344 0.0362
06:01-07:00, Tue., 30 Jan. 0.0393 0.0341 0.0365
05:01-06:00, Tue., 30 Jan. 0.0389 0.0338 0.0362
04:01-05:00, Tue., 30 Jan. 0.0403 0.0345 0.0363
03:01-04:00, Tue., 30 Jan. 0.0400 0.0341 0.0361
02:01-03:00, Tue., 30 Jan. 0.0380 0.0342 0.0359
01:01-02:00, Tue., 30 Jan. 0.0385 0.0338 0.0360
00:01-01:00, Tue., 30 Jan. 0.0382 0.0342 0.0359
23:01-24:00, Mon., 29 Jan. 0.0373 0.0331 0.0354
22:01-23:00, Mon., 29 Jan. 0.0374 0.0331 0.0351
21:01-22:00, Mon., 29 Jan. 0.0376 0.0336 0.0354
20:01-21:00, Mon., 29 Jan. 0.0372 0.0332 0.0352
19:01-20:00, Mon., 29 Jan. 0.0372 0.0335 0.0352
18:01-19:00, Mon., 29 Jan. 0.0377 0.0329 0.0351
17:01-18:00, Mon., 29 Jan. 0.0375 0.0325 0.0352
16:01-17:00, Mon., 29 Jan. 0.0377 0.0336 0.0357
15:01-16:00, Mon., 29 Jan. 0.0389 0.0335 0.0356
14:01-15:00, Mon., 29 Jan. 0.0396 0.0329 0.0357
13:01-14:00, Mon., 29 Jan. 0.0384 0.0338 0.0357
12:01-13:00, Mon., 29 Jan. 0.0384 0.0336 0.0356
11:01-12:00, Mon., 29 Jan. 0.0376 0.0332 0.0356
10:01-11:00, Mon., 29 Jan. 0.0393 0.0339 0.0356
09:01-10:00, Mon., 29 Jan. 0.0391 0.0337 0.0356
08:01-09:00, Mon., 29 Jan. 0.0377 0.0333 0.0355
07:01-08:00, Mon., 29 Jan. 0.0372 0.0328 0.0354
06:01-07:00, Mon., 29 Jan. 0.0384 0.0335 0.0360
05:01-06:00, Mon., 29 Jan. 0.0385 0.0338 0.0360
04:01-05:00, Mon., 29 Jan. 0.0394 0.0340 0.0359
03:01-04:00, Mon., 29 Jan. 0.0375 0.0335 0.0356
02:01-03:00, Mon., 29 Jan. 0.0382 0.0341 0.0359
01:01-02:00, Mon., 29 Jan. 0.0373 0.0326 0.0355
00:01-01:00, Mon., 29 Jan. 0.0383 0.0333 0.0359