Measurement results by the hour (Shinjuku) 10 Mar., 2025 - 16 Mar., 2025

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., 16 Mar. 0.0503 0.0387 0.0453
22:01-23:00, Sun., 16 Mar. 0.0516 0.0420 0.0463
21:01-22:00, Sun., 16 Mar. 0.0519 0.0439 0.0479
20:01-21:00, Sun., 16 Mar. 0.0525 0.0445 0.0484
19:01-20:00, Sun., 16 Mar. 0.0509 0.0421 0.0466
18:01-19:00, Sun., 16 Mar. 0.0535 0.0430 0.0466
17:01-18:00, Sun., 16 Mar. 0.0492 0.0389 0.0427
16:01-17:00, Sun., 16 Mar. 0.0476 0.0404 0.0434
15:01-16:00, Sun., 16 Mar. 0.0530 0.0425 0.0477
14:01-15:00, Sun., 16 Mar. 0.0539 0.0445 0.0495
13:01-14:00, Sun., 16 Mar. 0.0544 0.0453 0.0500
12:01-13:00, Sun., 16 Mar. 0.0553 0.0447 0.0505
11:01-12:00, Sun., 16 Mar. 0.0559 0.0484 0.0516
10:01-11:00, Sun., 16 Mar. 0.0589 0.0460 0.0527
09:01-10:00, Sun., 16 Mar. 0.0604 0.0495 0.0546
08:01-09:00, Sun., 16 Mar. 0.0649 0.0502 0.0571
07:01-08:00, Sun., 16 Mar. 0.0574 0.0473 0.0530
06:01-07:00, Sun., 16 Mar. 0.0540 0.0428 0.0476
05:01-06:00, Sun., 16 Mar. 0.0506 0.0429 0.0464
04:01-05:00, Sun., 16 Mar. 0.0481 0.0396 0.0442
03:01-04:00, Sun., 16 Mar. 0.0440 0.0364 0.0398
02:01-03:00, Sun., 16 Mar. 0.0424 0.0350 0.0379
01:01-02:00, Sun., 16 Mar. 0.0385 0.0333 0.0358
00:01-01:00, Sun., 16 Mar. 0.0391 0.0342 0.0362
23:01-24:00, Sat., 15 Mar. 0.0396 0.0330 0.0361
22:01-23:00, Sat., 15 Mar. 0.0382 0.0340 0.0362
21:01-22:00, Sat., 15 Mar. 0.0378 0.0340 0.0361
20:01-21:00, Sat., 15 Mar. 0.0406 0.0338 0.0367
19:01-20:00, Sat., 15 Mar. 0.0391 0.0343 0.0362
18:01-19:00, Sat., 15 Mar. 0.0427 0.0353 0.0374
17:01-18:00, Sat., 15 Mar. 0.0424 0.0356 0.0388
16:01-17:00, Sat., 15 Mar. 0.0418 0.0337 0.0370
15:01-16:00, Sat., 15 Mar. 0.0386 0.0333 0.0360
14:01-15:00, Sat., 15 Mar. 0.0381 0.0335 0.0356
13:01-14:00, Sat., 15 Mar. 0.0375 0.0330 0.0356
12:01-13:00, Sat., 15 Mar. 0.0398 0.0327 0.0356
11:01-12:00, Sat., 15 Mar. 0.0381 0.0340 0.0358
10:01-11:00, Sat., 15 Mar. 0.0378 0.0333 0.0355
09:01-10:00, Sat., 15 Mar. 0.0388 0.0335 0.0354
08:01-09:00, Sat., 15 Mar. 0.0374 0.0337 0.0358
07:01-08:00, Sat., 15 Mar. 0.0395 0.0341 0.0356
06:01-07:00, Sat., 15 Mar. 0.0374 0.0335 0.0353
05:01-06:00, Sat., 15 Mar. 0.0369 0.0334 0.0352
04:01-05:00, Sat., 15 Mar. 0.0371 0.0328 0.0352
03:01-04:00, Sat., 15 Mar. 0.0376 0.0330 0.0351
02:01-03:00, Sat., 15 Mar. 0.0385 0.0334 0.0355
01:01-02:00, Sat., 15 Mar. 0.0374 0.0329 0.0352
00:01-01:00, Sat., 15 Mar. 0.0387 0.0334 0.0355
23:01-24:00, Fri., 14 Mar. 0.0373 0.0340 0.0355
22:01-23:00, Fri., 14 Mar. 0.0385 0.0331 0.0352
21:01-22:00, Fri., 14 Mar. 0.0383 0.0337 0.0357
20:01-21:00, Fri., 14 Mar. 0.0394 0.0331 0.0353
19:01-20:00, Fri., 14 Mar. 0.0374 0.0326 0.0355
18:01-19:00, Fri., 14 Mar. 0.0386 0.0332 0.0355
17:01-18:00, Fri., 14 Mar. 0.0387 0.0338 0.0356
16:01-17:00, Fri., 14 Mar. 0.0382 0.0333 0.0357
15:01-16:00, Fri., 14 Mar. 0.0372 0.0331 0.0355
14:01-15:00, Fri., 14 Mar. 0.0396 0.0337 0.0361
13:01-14:00, Fri., 14 Mar. 0.0374 0.0331 0.0355
12:01-13:00, Fri., 14 Mar. 0.0378 0.0335 0.0358
11:01-12:00, Fri., 14 Mar. 0.0370 0.0336 0.0354
10:01-11:00, Fri., 14 Mar. 0.0371 0.0327 0.0354
09:01-10:00, Fri., 14 Mar. 0.0369 0.0337 0.0355
08:01-09:00, Fri., 14 Mar. 0.0372 0.0329 0.0355
07:01-08:00, Fri., 14 Mar. 0.0379 0.0323 0.0355
06:01-07:00, Fri., 14 Mar. 0.0370 0.0332 0.0355
05:01-06:00, Fri., 14 Mar. 0.0393 0.0332 0.0356
04:01-05:00, Fri., 14 Mar. 0.0371 0.0331 0.0353
03:01-04:00, Fri., 14 Mar. 0.0372 0.0333 0.0354
02:01-03:00, Fri., 14 Mar. 0.0375 0.0333 0.0353
01:01-02:00, Fri., 14 Mar. 0.0381 0.0329 0.0354
00:01-01:00, Fri., 14 Mar. 0.0378 0.0339 0.0355
23:01-24:00, Thu., 13 Mar. 0.0372 0.0333 0.0356
22:01-23:00, Thu., 13 Mar. 0.0387 0.0325 0.0355
21:01-22:00, Thu., 13 Mar. 0.0382 0.0334 0.0356
20:01-21:00, Thu., 13 Mar. 0.0372 0.0332 0.0355
19:01-20:00, Thu., 13 Mar. 0.0379 0.0335 0.0358
18:01-19:00, Thu., 13 Mar. 0.0384 0.0337 0.0356
17:01-18:00, Thu., 13 Mar. 0.0372 0.0333 0.0356
16:01-17:00, Thu., 13 Mar. 0.0396 0.0330 0.0360
15:01-16:00, Thu., 13 Mar. 0.0376 0.0343 0.0359
14:01-15:00, Thu., 13 Mar. 0.0389 0.0342 0.0360
13:01-14:00, Thu., 13 Mar. 0.0387 0.0341 0.0360
12:01-13:00, Thu., 13 Mar. 0.0381 0.0344 0.0357
11:01-12:00, Thu., 13 Mar. 0.0379 0.0332 0.0359
10:01-11:00, Thu., 13 Mar. 0.0404 0.0336 0.0361
09:01-10:00, Thu., 13 Mar. 0.0394 0.0345 0.0362
08:01-09:00, Thu., 13 Mar. 0.0393 0.0344 0.0364
07:01-08:00, Thu., 13 Mar. 0.0397 0.0346 0.0367
06:01-07:00, Thu., 13 Mar. 0.0387 0.0342 0.0363
05:01-06:00, Thu., 13 Mar. 0.0395 0.0336 0.0365
04:01-05:00, Thu., 13 Mar. 0.0382 0.0339 0.0359
03:01-04:00, Thu., 13 Mar. 0.0371 0.0335 0.0357
02:01-03:00, Thu., 13 Mar. 0.0372 0.0331 0.0357
01:01-02:00, Thu., 13 Mar. 0.0409 0.0337 0.0357
00:01-01:00, Thu., 13 Mar. 0.0376 0.0334 0.0355
23:01-24:00, Wed., 12 Mar. 0.0384 0.0336 0.0355
22:01-23:00, Wed., 12 Mar. 0.0380 0.0342 0.0361
21:01-22:00, Wed., 12 Mar. 0.0412 0.0344 0.0368
20:01-21:00, Wed., 12 Mar. 0.0469 0.0362 0.0402
19:01-20:00, Wed., 12 Mar. 0.0511 0.0403 0.0465
18:01-19:00, Wed., 12 Mar. 0.0505 0.0429 0.0462
17:01-18:00, Wed., 12 Mar. 0.0472 0.0392 0.0430
16:01-17:00, Wed., 12 Mar. 0.0449 0.0378 0.0406
15:01-16:00, Wed., 12 Mar. 0.0475 0.0373 0.0420
14:01-15:00, Wed., 12 Mar. 0.0440 0.0360 0.0394
13:01-14:00, Wed., 12 Mar. 0.0395 0.0347 0.0367
12:01-13:00, Wed., 12 Mar. 0.0400 0.0349 0.0366
11:01-12:00, Wed., 12 Mar. 0.0407 0.0344 0.0365
10:01-11:00, Wed., 12 Mar. 0.0403 0.0339 0.0366
09:01-10:00, Wed., 12 Mar. 0.0404 0.0345 0.0364
08:01-09:00, Wed., 12 Mar. 0.0392 0.0349 0.0364
07:01-08:00, Wed., 12 Mar. 0.0388 0.0338 0.0362
06:01-07:00, Wed., 12 Mar. 0.0395 0.0344 0.0363
05:01-06:00, Wed., 12 Mar. 0.0387 0.0337 0.0362
04:01-05:00, Wed., 12 Mar. 0.0404 0.0355 0.0374
03:01-04:00, Wed., 12 Mar. 0.0423 0.0355 0.0382
02:01-03:00, Wed., 12 Mar. 0.0398 0.0345 0.0372
01:01-02:00, Wed., 12 Mar. 0.0386 0.0338 0.0358
00:01-01:00, Wed., 12 Mar. 0.0370 0.0332 0.0354
23:01-24:00, Tue., 11 Mar. 0.0377 0.0322 0.0350
22:01-23:00, Tue., 11 Mar. 0.0391 0.0338 0.0359
21:01-22:00, Tue., 11 Mar. 0.0388 0.0339 0.0360
20:01-21:00, Tue., 11 Mar. 0.0401 0.0350 0.0373
19:01-20:00, Tue., 11 Mar. 0.0424 0.0355 0.0389
18:01-19:00, Tue., 11 Mar. 0.0393 0.0340 0.0363
17:01-18:00, Tue., 11 Mar. 0.0375 0.0336 0.0355
16:01-17:00, Tue., 11 Mar. 0.0390 0.0344 0.0360
15:01-16:00, Tue., 11 Mar. 0.0383 0.0336 0.0354
14:01-15:00, Tue., 11 Mar. 0.0385 0.0330 0.0351
13:01-14:00, Tue., 11 Mar. 0.0386 0.0330 0.0356
12:01-13:00, Tue., 11 Mar. 0.0384 0.0331 0.0355
11:01-12:00, Tue., 11 Mar. 0.0377 0.0336 0.0355
10:01-11:00, Tue., 11 Mar. 0.0371 0.0327 0.0353
09:01-10:00, Tue., 11 Mar. 0.0386 0.0333 0.0356
08:01-09:00, Tue., 11 Mar. 0.0370 0.0336 0.0356
07:01-08:00, Tue., 11 Mar. 0.0390 0.0337 0.0358
06:01-07:00, Tue., 11 Mar. 0.0382 0.0335 0.0358
05:01-06:00, Tue., 11 Mar. 0.0373 0.0333 0.0354
04:01-05:00, Tue., 11 Mar. 0.0372 0.0334 0.0355
03:01-04:00, Tue., 11 Mar. 0.0372 0.0332 0.0355
02:01-03:00, Tue., 11 Mar. 0.0382 0.0326 0.0351
01:01-02:00, Tue., 11 Mar. 0.0384 0.0334 0.0353
00:01-01:00, Tue., 11 Mar. 0.0371 0.0326 0.0351
23:01-24:00, Mon., 10 Mar. 0.0377 0.0325 0.0348
22:01-23:00, Mon., 10 Mar. 0.0369 0.0328 0.0353
21:01-22:00, Mon., 10 Mar. 0.0368 0.0326 0.0351
20:01-21:00, Mon., 10 Mar. 0.0390 0.0334 0.0353
19:01-20:00, Mon., 10 Mar. 0.0368 0.0333 0.0352
18:01-19:00, Mon., 10 Mar. 0.0369 0.0323 0.0350
17:01-18:00, Mon., 10 Mar. 0.0369 0.0327 0.0351
16:01-17:00, Mon., 10 Mar. 0.0370 0.0334 0.0352
15:01-16:00, Mon., 10 Mar. 0.0386 0.0335 0.0356
14:01-15:00, Mon., 10 Mar. 0.0390 0.0331 0.0356
13:01-14:00, Mon., 10 Mar. 0.0380 0.0330 0.0357
12:01-13:00, Mon., 10 Mar. 0.0391 0.0335 0.0359
11:01-12:00, Mon., 10 Mar. 0.0394 0.0339 0.0358
10:01-11:00, Mon., 10 Mar. 0.0375 0.0332 0.0355
09:01-10:00, Mon., 10 Mar. 0.0372 0.0334 0.0354
08:01-09:00, Mon., 10 Mar. 0.0373 0.0334 0.0353
07:01-08:00, Mon., 10 Mar. 0.0381 0.0333 0.0354
06:01-07:00, Mon., 10 Mar. 0.0371 0.0331 0.0353
05:01-06:00, Mon., 10 Mar. 0.0370 0.0327 0.0350
04:01-05:00, Mon., 10 Mar. 0.0368 0.0331 0.0351
03:01-04:00, Mon., 10 Mar. 0.0367 0.0328 0.0350
02:01-03:00, Mon., 10 Mar. 0.0374 0.0327 0.0350
01:01-02:00, Mon., 10 Mar. 0.0369 0.0321 0.0349
00:01-01:00, Mon., 10 Mar. 0.0379 0.0327 0.0353