Measurement results by the hour (Shinjuku) 13 Mar., 2023 - 19 Mar., 2023

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 Mar. 0.0374 0.0345 0.0359
22:01-23:00, Sun., 19 Mar. 0.0373 0.0335 0.0359
21:01-22:00, Sun., 19 Mar. 0.0386 0.0333 0.0356
20:01-21:00, Sun., 19 Mar. 0.0380 0.0332 0.0357
19:01-20:00, Sun., 19 Mar. 0.0391 0.0338 0.0357
18:01-19:00, Sun., 19 Mar. 0.0381 0.0342 0.0357
17:01-18:00, Sun., 19 Mar. 0.0387 0.0338 0.0359
16:01-17:00, Sun., 19 Mar. 0.0371 0.0322 0.0358
15:01-16:00, Sun., 19 Mar. 0.0394 0.0339 0.0358
14:01-15:00, Sun., 19 Mar. 0.0382 0.0334 0.0358
13:01-14:00, Sun., 19 Mar. 0.0377 0.0336 0.0358
12:01-13:00, Sun., 19 Mar. 0.0382 0.0336 0.0359
11:01-12:00, Sun., 19 Mar. 0.0382 0.0336 0.0359
10:01-11:00, Sun., 19 Mar. 0.0397 0.0339 0.0359
09:01-10:00, Sun., 19 Mar. 0.0383 0.0337 0.0355
08:01-09:00, Sun., 19 Mar. 0.0374 0.0338 0.0358
07:01-08:00, Sun., 19 Mar. 0.0374 0.0337 0.0358
06:01-07:00, Sun., 19 Mar. 0.0386 0.0328 0.0357
05:01-06:00, Sun., 19 Mar. 0.0390 0.0335 0.0358
04:01-05:00, Sun., 19 Mar. 0.0376 0.0328 0.0360
03:01-04:00, Sun., 19 Mar. 0.0380 0.0334 0.0355
02:01-03:00, Sun., 19 Mar. 0.0372 0.0343 0.0358
01:01-02:00, Sun., 19 Mar. 0.0386 0.0328 0.0357
00:01-01:00, Sun., 19 Mar. 0.0387 0.0340 0.0356
23:01-24:00, Sat., 18 Mar. 0.0378 0.0337 0.0360
22:01-23:00, Sat., 18 Mar. 0.0392 0.0338 0.0358
21:01-22:00, Sat., 18 Mar. 0.0384 0.0339 0.0358
20:01-21:00, Sat., 18 Mar. 0.0383 0.0344 0.0360
19:01-20:00, Sat., 18 Mar. 0.0405 0.0342 0.0365
18:01-19:00, Sat., 18 Mar. 0.0422 0.0344 0.0369
17:01-18:00, Sat., 18 Mar. 0.0471 0.0364 0.0405
16:01-17:00, Sat., 18 Mar. 0.0560 0.0409 0.0483
15:01-16:00, Sat., 18 Mar. 0.0544 0.0478 0.0511
14:01-15:00, Sat., 18 Mar. 0.0524 0.0442 0.0481
13:01-14:00, Sat., 18 Mar. 0.0491 0.0412 0.0446
12:01-13:00, Sat., 18 Mar. 0.0454 0.0356 0.0397
11:01-12:00, Sat., 18 Mar. 0.0434 0.0359 0.0400
10:01-11:00, Sat., 18 Mar. 0.0495 0.0394 0.0443
09:01-10:00, Sat., 18 Mar. 0.0534 0.0447 0.0492
08:01-09:00, Sat., 18 Mar. 0.0543 0.0458 0.0498
07:01-08:00, Sat., 18 Mar. 0.0542 0.0455 0.0501
06:01-07:00, Sat., 18 Mar. 0.0534 0.0470 0.0502
05:01-06:00, Sat., 18 Mar. 0.0513 0.0435 0.0471
04:01-05:00, Sat., 18 Mar. 0.0475 0.0390 0.0443
03:01-04:00, Sat., 18 Mar. 0.0504 0.0423 0.0458
02:01-03:00, Sat., 18 Mar. 0.0513 0.0443 0.0477
01:01-02:00, Sat., 18 Mar. 0.0521 0.0424 0.0481
00:01-01:00, Sat., 18 Mar. 0.0476 0.0389 0.0438
23:01-24:00, Fri., 17 Mar. 0.0478 0.0390 0.0428
22:01-23:00, Fri., 17 Mar. 0.0462 0.0383 0.0426
21:01-22:00, Fri., 17 Mar. 0.0417 0.0350 0.0382
20:01-21:00, Fri., 17 Mar. 0.0395 0.0343 0.0367
19:01-20:00, Fri., 17 Mar. 0.0389 0.0346 0.0364
18:01-19:00, Fri., 17 Mar. 0.0386 0.0327 0.0360
17:01-18:00, Fri., 17 Mar. 0.0403 0.0341 0.0364
16:01-17:00, Fri., 17 Mar. 0.0397 0.0328 0.0361
15:01-16:00, Fri., 17 Mar. 0.0409 0.0340 0.0362
14:01-15:00, Fri., 17 Mar. 0.0378 0.0331 0.0357
13:01-14:00, Fri., 17 Mar. 0.0369 0.0324 0.0349
12:01-13:00, Fri., 17 Mar. 0.0363 0.0327 0.0347
11:01-12:00, Fri., 17 Mar. 0.0378 0.0326 0.0350
10:01-11:00, Fri., 17 Mar. 0.0400 0.0326 0.0352
09:01-10:00, Fri., 17 Mar. 0.0370 0.0333 0.0351
08:01-09:00, Fri., 17 Mar. 0.0377 0.0328 0.0355
07:01-08:00, Fri., 17 Mar. 0.0404 0.0335 0.0368
06:01-07:00, Fri., 17 Mar. 0.0414 0.0343 0.0371
05:01-06:00, Fri., 17 Mar. 0.0413 0.0348 0.0371
04:01-05:00, Fri., 17 Mar. 0.0391 0.0350 0.0367
03:01-04:00, Fri., 17 Mar. 0.0400 0.0343 0.0364
02:01-03:00, Fri., 17 Mar. 0.0398 0.0321 0.0364
01:01-02:00, Fri., 17 Mar. 0.0386 0.0340 0.0362
00:01-01:00, Fri., 17 Mar. 0.0386 0.0334 0.0359
23:01-24:00, Thu., 16 Mar. 0.0383 0.0341 0.0360
22:01-23:00, Thu., 16 Mar. 0.0378 0.0339 0.0358
21:01-22:00, Thu., 16 Mar. 0.0380 0.0340 0.0359
20:01-21:00, Thu., 16 Mar. 0.0391 0.0333 0.0361
19:01-20:00, Thu., 16 Mar. 0.0395 0.0334 0.0358
18:01-19:00, Thu., 16 Mar. 0.0383 0.0336 0.0358
17:01-18:00, Thu., 16 Mar. 0.0383 0.0338 0.0360
16:01-17:00, Thu., 16 Mar. 0.0396 0.0338 0.0358
15:01-16:00, Thu., 16 Mar. 0.0394 0.0339 0.0358
14:01-15:00, Thu., 16 Mar. 0.0393 0.0329 0.0351
13:01-14:00, Thu., 16 Mar. 0.0379 0.0333 0.0353
12:01-13:00, Thu., 16 Mar. 0.0394 0.0332 0.0356
11:01-12:00, Thu., 16 Mar. 0.0380 0.0342 0.0360
10:01-11:00, Thu., 16 Mar. 0.0391 0.0339 0.0362
09:01-10:00, Thu., 16 Mar. 0.0398 0.0344 0.0366
08:01-09:00, Thu., 16 Mar. 0.0404 0.0343 0.0365
07:01-08:00, Thu., 16 Mar. 0.0386 0.0346 0.0366
06:01-07:00, Thu., 16 Mar. 0.0402 0.0344 0.0365
05:01-06:00, Thu., 16 Mar. 0.0380 0.0338 0.0360
04:01-05:00, Thu., 16 Mar. 0.0378 0.0339 0.0359
03:01-04:00, Thu., 16 Mar. 0.0392 0.0335 0.0363
02:01-03:00, Thu., 16 Mar. 0.0395 0.0341 0.0362
01:01-02:00, Thu., 16 Mar. 0.0397 0.0337 0.0358
00:01-01:00, Thu., 16 Mar. 0.0381 0.0336 0.0358
23:01-24:00, Wed., 15 Mar. 0.0392 0.0333 0.0359
22:01-23:00, Wed., 15 Mar. 0.0377 0.0339 0.0359
21:01-22:00, Wed., 15 Mar. 0.0399 0.0334 0.0359
20:01-21:00, Wed., 15 Mar. 0.0382 0.0338 0.0359
19:01-20:00, Wed., 15 Mar. 0.0389 0.0348 0.0361
18:01-19:00, Wed., 15 Mar. 0.0386 0.0335 0.0359
17:01-18:00, Wed., 15 Mar. 0.0382 0.0338 0.0360
16:01-17:00, Wed., 15 Mar. 0.0394 0.0339 0.0360
15:01-16:00, Wed., 15 Mar. 0.0386 0.0344 0.0362
14:01-15:00, Wed., 15 Mar. 0.0387 0.0328 0.0361
13:01-14:00, Wed., 15 Mar. 0.0378 0.0337 0.0358
12:01-13:00, Wed., 15 Mar. 0.0408 0.0334 0.0356
11:01-12:00, Wed., 15 Mar. 0.0394 0.0341 0.0361
10:01-11:00, Wed., 15 Mar. 0.0388 0.0333 0.0361
09:01-10:00, Wed., 15 Mar. 0.0380 0.0332 0.0360
08:01-09:00, Wed., 15 Mar. 0.0380 0.0340 0.0358
07:01-08:00, Wed., 15 Mar. 0.0401 0.0330 0.0360
06:01-07:00, Wed., 15 Mar. 0.0393 0.0343 0.0359
05:01-06:00, Wed., 15 Mar. 0.0387 0.0341 0.0363
04:01-05:00, Wed., 15 Mar. 0.0379 0.0338 0.0357
03:01-04:00, Wed., 15 Mar. 0.0383 0.0347 0.0362
02:01-03:00, Wed., 15 Mar. 0.0381 0.0339 0.0358
01:01-02:00, Wed., 15 Mar. 0.0382 0.0336 0.0356
00:01-01:00, Wed., 15 Mar. 0.0389 0.0333 0.0358
23:01-24:00, Tue., 14 Mar. 0.0371 0.0340 0.0357
22:01-23:00, Tue., 14 Mar. 0.0392 0.0342 0.0360
21:01-22:00, Tue., 14 Mar. 0.0387 0.0337 0.0360
20:01-21:00, Tue., 14 Mar. 0.0393 0.0330 0.0360
19:01-20:00, Tue., 14 Mar. 0.0374 0.0343 0.0360
18:01-19:00, Tue., 14 Mar. 0.0379 0.0337 0.0359
17:01-18:00, Tue., 14 Mar. 0.0393 0.0343 0.0362
16:01-17:00, Tue., 14 Mar. 0.0392 0.0348 0.0362
15:01-16:00, Tue., 14 Mar. 0.0385 0.0342 0.0361
14:01-15:00, Tue., 14 Mar. 0.0390 0.0339 0.0360
13:01-14:00, Tue., 14 Mar. 0.0388 0.0339 0.0359
12:01-13:00, Tue., 14 Mar. 0.0376 0.0335 0.0359
11:01-12:00, Tue., 14 Mar. 0.0387 0.0341 0.0359
10:01-11:00, Tue., 14 Mar. 0.0372 0.0337 0.0358
09:01-10:00, Tue., 14 Mar. 0.0381 0.0340 0.0358
08:01-09:00, Tue., 14 Mar. 0.0398 0.0330 0.0360
07:01-08:00, Tue., 14 Mar. 0.0398 0.0334 0.0364
06:01-07:00, Tue., 14 Mar. 0.0387 0.0342 0.0365
05:01-06:00, Tue., 14 Mar. 0.0388 0.0343 0.0362
04:01-05:00, Tue., 14 Mar. 0.0380 0.0332 0.0357
03:01-04:00, Tue., 14 Mar. 0.0398 0.0344 0.0361
02:01-03:00, Tue., 14 Mar. 0.0380 0.0339 0.0358
01:01-02:00, Tue., 14 Mar. 0.0375 0.0338 0.0360
00:01-01:00, Tue., 14 Mar. 0.0389 0.0341 0.0362
23:01-24:00, Mon., 13 Mar. 0.0391 0.0341 0.0361
22:01-23:00, Mon., 13 Mar. 0.0372 0.0339 0.0355
21:01-22:00, Mon., 13 Mar. 0.0381 0.0335 0.0359
20:01-21:00, Mon., 13 Mar. 0.0395 0.0339 0.0359
19:01-20:00, Mon., 13 Mar. 0.0392 0.0335 0.0361
18:01-19:00, Mon., 13 Mar. 0.0392 0.0346 0.0364
17:01-18:00, Mon., 13 Mar. 0.0397 0.0344 0.0363
16:01-17:00, Mon., 13 Mar. 0.0381 0.0343 0.0360
15:01-16:00, Mon., 13 Mar. 0.0394 0.0345 0.0363
14:01-15:00, Mon., 13 Mar. 0.0442 0.0359 0.0385
13:01-14:00, Mon., 13 Mar. 0.0483 0.0396 0.0432
12:01-13:00, Mon., 13 Mar. 0.0471 0.0400 0.0427
11:01-12:00, Mon., 13 Mar. 0.0445 0.0364 0.0404
10:01-11:00, Mon., 13 Mar. 0.0427 0.0341 0.0375
09:01-10:00, Mon., 13 Mar. 0.0397 0.0339 0.0366
08:01-09:00, Mon., 13 Mar. 0.0388 0.0345 0.0362
07:01-08:00, Mon., 13 Mar. 0.0389 0.0339 0.0361
06:01-07:00, Mon., 13 Mar. 0.0401 0.0339 0.0361
05:01-06:00, Mon., 13 Mar. 0.0388 0.0344 0.0362
04:01-05:00, Mon., 13 Mar. 0.0385 0.0330 0.0360
03:01-04:00, Mon., 13 Mar. 0.0388 0.0337 0.0359
02:01-03:00, Mon., 13 Mar. 0.0384 0.0337 0.0362
01:01-02:00, Mon., 13 Mar. 0.0392 0.0336 0.0361
00:01-01:00, Mon., 13 Mar. 0.0387 0.0343 0.0362