Measurement results by the hour (Shinjuku) 25 Mar., 2024 - 31 Mar., 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., 31 Mar. 0.0390 0.0339 0.0359
22:01-23:00, Sun., 31 Mar. 0.0384 0.0339 0.0359
21:01-22:00, Sun., 31 Mar. 0.0381 0.0342 0.0359
20:01-21:00, Sun., 31 Mar. 0.0373 0.0335 0.0358
19:01-20:00, Sun., 31 Mar. 0.0383 0.0336 0.0359
18:01-19:00, Sun., 31 Mar. 0.0389 0.0337 0.0360
17:01-18:00, Sun., 31 Mar. 0.0395 0.0339 0.0362
16:01-17:00, Sun., 31 Mar. 0.0390 0.0334 0.0360
15:01-16:00, Sun., 31 Mar. 0.0389 0.0347 0.0364
14:01-15:00, Sun., 31 Mar. 0.0383 0.0337 0.0359
13:01-14:00, Sun., 31 Mar. 0.0399 0.0344 0.0362
12:01-13:00, Sun., 31 Mar. 0.0405 0.0341 0.0365
11:01-12:00, Sun., 31 Mar. 0.0400 0.0341 0.0360
10:01-11:00, Sun., 31 Mar. 0.0397 0.0341 0.0360
09:01-10:00, Sun., 31 Mar. 0.0403 0.0349 0.0365
08:01-09:00, Sun., 31 Mar. 0.0394 0.0343 0.0364
07:01-08:00, Sun., 31 Mar. 0.0407 0.0345 0.0362
06:01-07:00, Sun., 31 Mar. 0.0388 0.0340 0.0359
05:01-06:00, Sun., 31 Mar. 0.0406 0.0331 0.0360
04:01-05:00, Sun., 31 Mar. 0.0404 0.0340 0.0361
03:01-04:00, Sun., 31 Mar. 0.0386 0.0340 0.0360
02:01-03:00, Sun., 31 Mar. 0.0383 0.0341 0.0360
01:01-02:00, Sun., 31 Mar. 0.0382 0.0336 0.0358
00:01-01:00, Sun., 31 Mar. 0.0393 0.0327 0.0360
23:01-24:00, Sat., 30 Mar. 0.0386 0.0334 0.0358
22:01-23:00, Sat., 30 Mar. 0.0394 0.0336 0.0358
21:01-22:00, Sat., 30 Mar. 0.0383 0.0341 0.0359
20:01-21:00, Sat., 30 Mar. 0.0397 0.0329 0.0358
19:01-20:00, Sat., 30 Mar. 0.0384 0.0340 0.0360
18:01-19:00, Sat., 30 Mar. 0.0393 0.0339 0.0359
17:01-18:00, Sat., 30 Mar. 0.0397 0.0331 0.0358
16:01-17:00, Sat., 30 Mar. 0.0382 0.0341 0.0357
15:01-16:00, Sat., 30 Mar. 0.0384 0.0336 0.0360
14:01-15:00, Sat., 30 Mar. 0.0392 0.0337 0.0361
13:01-14:00, Sat., 30 Mar. 0.0377 0.0340 0.0361
12:01-13:00, Sat., 30 Mar. 0.0393 0.0342 0.0360
11:01-12:00, Sat., 30 Mar. 0.0395 0.0337 0.0363
10:01-11:00, Sat., 30 Mar. 0.0399 0.0346 0.0366
09:01-10:00, Sat., 30 Mar. 0.0393 0.0339 0.0366
08:01-09:00, Sat., 30 Mar. 0.0388 0.0349 0.0367
07:01-08:00, Sat., 30 Mar. 0.0393 0.0335 0.0365
06:01-07:00, Sat., 30 Mar. 0.0395 0.0341 0.0365
05:01-06:00, Sat., 30 Mar. 0.0396 0.0342 0.0365
04:01-05:00, Sat., 30 Mar. 0.0403 0.0344 0.0363
03:01-04:00, Sat., 30 Mar. 0.0399 0.0339 0.0363
02:01-03:00, Sat., 30 Mar. 0.0393 0.0333 0.0362
01:01-02:00, Sat., 30 Mar. 0.0393 0.0339 0.0362
00:01-01:00, Sat., 30 Mar. 0.0382 0.0340 0.0361
23:01-24:00, Fri., 29 Mar. 0.0378 0.0339 0.0358
22:01-23:00, Fri., 29 Mar. 0.0386 0.0340 0.0362
21:01-22:00, Fri., 29 Mar. 0.0412 0.0345 0.0361
20:01-21:00, Fri., 29 Mar. 0.0388 0.0343 0.0361
19:01-20:00, Fri., 29 Mar. 0.0387 0.0334 0.0360
18:01-19:00, Fri., 29 Mar. 0.0403 0.0337 0.0363
17:01-18:00, Fri., 29 Mar. 0.0397 0.0349 0.0367
16:01-17:00, Fri., 29 Mar. 0.0396 0.0348 0.0365
15:01-16:00, Fri., 29 Mar. 0.0416 0.0348 0.0367
14:01-15:00, Fri., 29 Mar. 0.0410 0.0353 0.0375
13:01-14:00, Fri., 29 Mar. 0.0434 0.0363 0.0398
12:01-13:00, Fri., 29 Mar. 0.0435 0.0365 0.0398
11:01-12:00, Fri., 29 Mar. 0.0494 0.0380 0.0432
10:01-11:00, Fri., 29 Mar. 0.0479 0.0407 0.0438
09:01-10:00, Fri., 29 Mar. 0.0464 0.0397 0.0432
08:01-09:00, Fri., 29 Mar. 0.0456 0.0389 0.0426
07:01-08:00, Fri., 29 Mar. 0.0438 0.0365 0.0402
06:01-07:00, Fri., 29 Mar. 0.0444 0.0364 0.0415
05:01-06:00, Fri., 29 Mar. 0.0477 0.0400 0.0440
04:01-05:00, Fri., 29 Mar. 0.0443 0.0364 0.0401
03:01-04:00, Fri., 29 Mar. 0.0399 0.0354 0.0373
02:01-03:00, Fri., 29 Mar. 0.0407 0.0350 0.0372
01:01-02:00, Fri., 29 Mar. 0.0430 0.0359 0.0391
00:01-01:00, Fri., 29 Mar. 0.0440 0.0368 0.0411
23:01-24:00, Thu., 28 Mar. 0.0432 0.0371 0.0405
22:01-23:00, Thu., 28 Mar. 0.0435 0.0367 0.0402
21:01-22:00, Thu., 28 Mar. 0.0439 0.0359 0.0390
20:01-21:00, Thu., 28 Mar. 0.0421 0.0352 0.0383
19:01-20:00, Thu., 28 Mar. 0.0414 0.0357 0.0387
18:01-19:00, Thu., 28 Mar. 0.0394 0.0329 0.0359
17:01-18:00, Thu., 28 Mar. 0.0392 0.0335 0.0353
16:01-17:00, Thu., 28 Mar. 0.0388 0.0335 0.0355
15:01-16:00, Thu., 28 Mar. 0.0380 0.0326 0.0353
14:01-15:00, Thu., 28 Mar. 0.0374 0.0341 0.0358
13:01-14:00, Thu., 28 Mar. 0.0382 0.0342 0.0361
12:01-13:00, Thu., 28 Mar. 0.0389 0.0340 0.0360
11:01-12:00, Thu., 28 Mar. 0.0381 0.0341 0.0357
10:01-11:00, Thu., 28 Mar. 0.0383 0.0322 0.0358
09:01-10:00, Thu., 28 Mar. 0.0392 0.0334 0.0360
08:01-09:00, Thu., 28 Mar. 0.0371 0.0340 0.0357
07:01-08:00, Thu., 28 Mar. 0.0383 0.0334 0.0357
06:01-07:00, Thu., 28 Mar. 0.0389 0.0335 0.0359
05:01-06:00, Thu., 28 Mar. 0.0392 0.0335 0.0357
04:01-05:00, Thu., 28 Mar. 0.0372 0.0331 0.0356
03:01-04:00, Thu., 28 Mar. 0.0376 0.0341 0.0356
02:01-03:00, Thu., 28 Mar. 0.0377 0.0333 0.0355
01:01-02:00, Thu., 28 Mar. 0.0387 0.0331 0.0352
00:01-01:00, Thu., 28 Mar. 0.0378 0.0332 0.0355
23:01-24:00, Wed., 27 Mar. 0.0370 0.0332 0.0354
22:01-23:00, Wed., 27 Mar. 0.0373 0.0330 0.0351
21:01-22:00, Wed., 27 Mar. 0.0380 0.0336 0.0354
20:01-21:00, Wed., 27 Mar. 0.0368 0.0333 0.0353
19:01-20:00, Wed., 27 Mar. 0.0379 0.0333 0.0352
18:01-19:00, Wed., 27 Mar. 0.0370 0.0315 0.0353
17:01-18:00, Wed., 27 Mar. 0.0382 0.0335 0.0355
16:01-17:00, Wed., 27 Mar. 0.0375 0.0324 0.0351
15:01-16:00, Wed., 27 Mar. 0.0394 0.0332 0.0356
14:01-15:00, Wed., 27 Mar. 0.0386 0.0330 0.0355
13:01-14:00, Wed., 27 Mar. 0.0374 0.0338 0.0353
12:01-13:00, Wed., 27 Mar. 0.0373 0.0331 0.0353
11:01-12:00, Wed., 27 Mar. 0.0371 0.0333 0.0355
10:01-11:00, Wed., 27 Mar. 0.0374 0.0327 0.0352
09:01-10:00, Wed., 27 Mar. 0.0373 0.0332 0.0353
08:01-09:00, Wed., 27 Mar. 0.0385 0.0337 0.0354
07:01-08:00, Wed., 27 Mar. 0.0380 0.0337 0.0355
06:01-07:00, Wed., 27 Mar. 0.0369 0.0328 0.0352
05:01-06:00, Wed., 27 Mar. 0.0373 0.0328 0.0353
04:01-05:00, Wed., 27 Mar. 0.0383 0.0334 0.0355
03:01-04:00, Wed., 27 Mar. 0.0387 0.0324 0.0354
02:01-03:00, Wed., 27 Mar. 0.0377 0.0331 0.0356
01:01-02:00, Wed., 27 Mar. 0.0403 0.0331 0.0358
00:01-01:00, Wed., 27 Mar. 0.0395 0.0341 0.0362
23:01-24:00, Tue., 26 Mar. 0.0425 0.0355 0.0382
22:01-23:00, Tue., 26 Mar. 0.0468 0.0384 0.0420
21:01-22:00, Tue., 26 Mar. 0.0475 0.0382 0.0424
20:01-21:00, Tue., 26 Mar. 0.0531 0.0418 0.0464
19:01-20:00, Tue., 26 Mar. 0.0534 0.0467 0.0501
18:01-19:00, Tue., 26 Mar. 0.0555 0.0464 0.0509
17:01-18:00, Tue., 26 Mar. 0.0599 0.0468 0.0529
16:01-17:00, Tue., 26 Mar. 0.0647 0.0533 0.0606
15:01-16:00, Tue., 26 Mar. 0.0665 0.0530 0.0601
14:01-15:00, Tue., 26 Mar. 0.0593 0.0480 0.0547
13:01-14:00, Tue., 26 Mar. 0.0585 0.0473 0.0517
12:01-13:00, Tue., 26 Mar. 0.0597 0.0508 0.0550
11:01-12:00, Tue., 26 Mar. 0.0633 0.0533 0.0564
10:01-11:00, Tue., 26 Mar. 0.0598 0.0454 0.0534
09:01-10:00, Tue., 26 Mar. 0.0548 0.0465 0.0506
08:01-09:00, Tue., 26 Mar. 0.0530 0.0361 0.0449
07:01-08:00, Tue., 26 Mar. 0.0394 0.0348 0.0366
06:01-07:00, Tue., 26 Mar. 0.0413 0.0349 0.0370
05:01-06:00, Tue., 26 Mar. 0.0409 0.0341 0.0365
04:01-05:00, Tue., 26 Mar. 0.0395 0.0335 0.0366
03:01-04:00, Tue., 26 Mar. 0.0402 0.0346 0.0370
02:01-03:00, Tue., 26 Mar. 0.0389 0.0346 0.0365
01:01-02:00, Tue., 26 Mar. 0.0385 0.0342 0.0362
00:01-01:00, Tue., 26 Mar. 0.0383 0.0339 0.0359
23:01-24:00, Mon., 25 Mar. 0.0373 0.0340 0.0358
22:01-23:00, Mon., 25 Mar. 0.0385 0.0338 0.0356
21:01-22:00, Mon., 25 Mar. 0.0373 0.0329 0.0356
20:01-21:00, Mon., 25 Mar. 0.0386 0.0340 0.0359
19:01-20:00, Mon., 25 Mar. 0.0388 0.0334 0.0358
18:01-19:00, Mon., 25 Mar. 0.0394 0.0339 0.0363
17:01-18:00, Mon., 25 Mar. 0.0388 0.0341 0.0361
16:01-17:00, Mon., 25 Mar. 0.0393 0.0334 0.0363
15:01-16:00, Mon., 25 Mar. 0.0415 0.0345 0.0377
14:01-15:00, Mon., 25 Mar. 0.0463 0.0370 0.0415
13:01-14:00, Mon., 25 Mar. 0.0486 0.0406 0.0444
12:01-13:00, Mon., 25 Mar. 0.0498 0.0414 0.0460
11:01-12:00, Mon., 25 Mar. 0.0471 0.0403 0.0436
10:01-11:00, Mon., 25 Mar. 0.0500 0.0403 0.0455
09:01-10:00, Mon., 25 Mar. 0.0506 0.0429 0.0468
08:01-09:00, Mon., 25 Mar. 0.0522 0.0427 0.0467
07:01-08:00, Mon., 25 Mar. 0.0490 0.0406 0.0445
06:01-07:00, Mon., 25 Mar. 0.0464 0.0394 0.0429
05:01-06:00, Mon., 25 Mar. 0.0463 0.0387 0.0432
04:01-05:00, Mon., 25 Mar. 0.0449 0.0365 0.0410
03:01-04:00, Mon., 25 Mar. 0.0431 0.0369 0.0401
02:01-03:00, Mon., 25 Mar. 0.0438 0.0356 0.0401
01:01-02:00, Mon., 25 Mar. 0.0420 0.0358 0.0378
00:01-01:00, Mon., 25 Mar. 0.0422 0.0351 0.0372