Measurement results by the hour (Shinjuku) 19 Feb., 2024 - 25 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., 25 Feb. 0.0443 0.0363 0.0395
22:01-23:00, Sun., 25 Feb. 0.0414 0.0356 0.0382
21:01-22:00, Sun., 25 Feb. 0.0442 0.0357 0.0396
20:01-21:00, Sun., 25 Feb. 0.0473 0.0368 0.0418
19:01-20:00, Sun., 25 Feb. 0.0463 0.0389 0.0424
18:01-19:00, Sun., 25 Feb. 0.0450 0.0367 0.0407
17:01-18:00, Sun., 25 Feb. 0.0428 0.0357 0.0393
16:01-17:00, Sun., 25 Feb. 0.0441 0.0368 0.0403
15:01-16:00, Sun., 25 Feb. 0.0456 0.0372 0.0414
14:01-15:00, Sun., 25 Feb. 0.0453 0.0387 0.0419
13:01-14:00, Sun., 25 Feb. 0.0458 0.0396 0.0419
12:01-13:00, Sun., 25 Feb. 0.0462 0.0387 0.0421
11:01-12:00, Sun., 25 Feb. 0.0478 0.0398 0.0442
10:01-11:00, Sun., 25 Feb. 0.0467 0.0374 0.0420
09:01-10:00, Sun., 25 Feb. 0.0440 0.0357 0.0394
08:01-09:00, Sun., 25 Feb. 0.0373 0.0334 0.0357
07:01-08:00, Sun., 25 Feb. 0.0383 0.0340 0.0355
06:01-07:00, Sun., 25 Feb. 0.0385 0.0331 0.0354
05:01-06:00, Sun., 25 Feb. 0.0389 0.0330 0.0356
04:01-05:00, Sun., 25 Feb. 0.0371 0.0329 0.0355
03:01-04:00, Sun., 25 Feb. 0.0382 0.0334 0.0354
02:01-03:00, Sun., 25 Feb. 0.0372 0.0333 0.0351
01:01-02:00, Sun., 25 Feb. 0.0374 0.0336 0.0351
00:01-01:00, Sun., 25 Feb. 0.0376 0.0337 0.0352
23:01-24:00, Sat., 24 Feb. 0.0370 0.0329 0.0351
22:01-23:00, Sat., 24 Feb. 0.0376 0.0328 0.0353
21:01-22:00, Sat., 24 Feb. 0.0371 0.0333 0.0354
20:01-21:00, Sat., 24 Feb. 0.0370 0.0331 0.0353
19:01-20:00, Sat., 24 Feb. 0.0369 0.0327 0.0350
18:01-19:00, Sat., 24 Feb. 0.0366 0.0331 0.0351
17:01-18:00, Sat., 24 Feb. 0.0373 0.0319 0.0354
16:01-17:00, Sat., 24 Feb. 0.0371 0.0327 0.0350
15:01-16:00, Sat., 24 Feb. 0.0373 0.0327 0.0351
14:01-15:00, Sat., 24 Feb. 0.0389 0.0341 0.0357
13:01-14:00, Sat., 24 Feb. 0.0389 0.0335 0.0354
12:01-13:00, Sat., 24 Feb. 0.0381 0.0335 0.0353
11:01-12:00, Sat., 24 Feb. 0.0381 0.0329 0.0353
10:01-11:00, Sat., 24 Feb. 0.0378 0.0335 0.0353
09:01-10:00, Sat., 24 Feb. 0.0372 0.0326 0.0352
08:01-09:00, Sat., 24 Feb. 0.0370 0.0335 0.0353
07:01-08:00, Sat., 24 Feb. 0.0370 0.0332 0.0351
06:01-07:00, Sat., 24 Feb. 0.0370 0.0322 0.0348
05:01-06:00, Sat., 24 Feb. 0.0368 0.0322 0.0350
04:01-05:00, Sat., 24 Feb. 0.0364 0.0316 0.0350
03:01-04:00, Sat., 24 Feb. 0.0374 0.0327 0.0350
02:01-03:00, Sat., 24 Feb. 0.0387 0.0337 0.0353
01:01-02:00, Sat., 24 Feb. 0.0375 0.0332 0.0351
00:01-01:00, Sat., 24 Feb. 0.0379 0.0321 0.0353
23:01-24:00, Fri., 23 Feb. 0.0370 0.0331 0.0353
22:01-23:00, Fri., 23 Feb. 0.0368 0.0333 0.0351
21:01-22:00, Fri., 23 Feb. 0.0365 0.0332 0.0351
20:01-21:00, Fri., 23 Feb. 0.0395 0.0338 0.0357
19:01-20:00, Fri., 23 Feb. 0.0400 0.0345 0.0366
18:01-19:00, Fri., 23 Feb. 0.0440 0.0356 0.0390
17:01-18:00, Fri., 23 Feb. 0.0428 0.0361 0.0399
16:01-17:00, Fri., 23 Feb. 0.0452 0.0371 0.0401
15:01-16:00, Fri., 23 Feb. 0.0464 0.0397 0.0426
14:01-15:00, Fri., 23 Feb. 0.0473 0.0402 0.0432
13:01-14:00, Fri., 23 Feb. 0.0461 0.0362 0.0398
12:01-13:00, Fri., 23 Feb. 0.0411 0.0359 0.0382
11:01-12:00, Fri., 23 Feb. 0.0430 0.0362 0.0391
10:01-11:00, Fri., 23 Feb. 0.0427 0.0362 0.0400
09:01-10:00, Fri., 23 Feb. 0.0439 0.0370 0.0408
08:01-09:00, Fri., 23 Feb. 0.0433 0.0357 0.0403
07:01-08:00, Fri., 23 Feb. 0.0432 0.0365 0.0401
06:01-07:00, Fri., 23 Feb. 0.0470 0.0392 0.0429
05:01-06:00, Fri., 23 Feb. 0.0473 0.0402 0.0440
04:01-05:00, Fri., 23 Feb. 0.0500 0.0398 0.0450
03:01-04:00, Fri., 23 Feb. 0.0508 0.0439 0.0471
02:01-03:00, Fri., 23 Feb. 0.0489 0.0413 0.0451
01:01-02:00, Fri., 23 Feb. 0.0483 0.0403 0.0442
00:01-01:00, Fri., 23 Feb. 0.0467 0.0386 0.0410
23:01-24:00, Thu., 22 Feb. 0.0444 0.0359 0.0405
22:01-23:00, Thu., 22 Feb. 0.0445 0.0369 0.0410
21:01-22:00, Thu., 22 Feb. 0.0436 0.0366 0.0399
20:01-21:00, Thu., 22 Feb. 0.0490 0.0384 0.0445
19:01-20:00, Thu., 22 Feb. 0.0485 0.0412 0.0453
18:01-19:00, Thu., 22 Feb. 0.0497 0.0408 0.0442
17:01-18:00, Thu., 22 Feb. 0.0467 0.0394 0.0424
16:01-17:00, Thu., 22 Feb. 0.0455 0.0375 0.0410
15:01-16:00, Thu., 22 Feb. 0.0421 0.0354 0.0375
14:01-15:00, Thu., 22 Feb. 0.0442 0.0359 0.0396
13:01-14:00, Thu., 22 Feb. 0.0475 0.0375 0.0435
12:01-13:00, Thu., 22 Feb. 0.0557 0.0432 0.0492
11:01-12:00, Thu., 22 Feb. 0.0559 0.0464 0.0507
10:01-11:00, Thu., 22 Feb. 0.0510 0.0429 0.0467
09:01-10:00, Thu., 22 Feb. 0.0547 0.0451 0.0495
08:01-09:00, Thu., 22 Feb. 0.0524 0.0432 0.0476
07:01-08:00, Thu., 22 Feb. 0.0558 0.0459 0.0511
06:01-07:00, Thu., 22 Feb. 0.0501 0.0403 0.0443
05:01-06:00, Thu., 22 Feb. 0.0469 0.0362 0.0412
04:01-05:00, Thu., 22 Feb. 0.0426 0.0358 0.0384
03:01-04:00, Thu., 22 Feb. 0.0451 0.0369 0.0418
02:01-03:00, Thu., 22 Feb. 0.0435 0.0361 0.0398
01:01-02:00, Thu., 22 Feb. 0.0465 0.0383 0.0416
00:01-01:00, Thu., 22 Feb. 0.0490 0.0415 0.0445
23:01-24:00, Wed., 21 Feb. 0.0485 0.0376 0.0425
22:01-23:00, Wed., 21 Feb. 0.0427 0.0348 0.0377
21:01-22:00, Wed., 21 Feb. 0.0386 0.0341 0.0364
20:01-21:00, Wed., 21 Feb. 0.0409 0.0340 0.0363
19:01-20:00, Wed., 21 Feb. 0.0415 0.0343 0.0374
18:01-19:00, Wed., 21 Feb. 0.0403 0.0353 0.0374
17:01-18:00, Wed., 21 Feb. 0.0420 0.0357 0.0384
16:01-17:00, Wed., 21 Feb. 0.0474 0.0364 0.0415
15:01-16:00, Wed., 21 Feb. 0.0511 0.0426 0.0472
14:01-15:00, Wed., 21 Feb. 0.0469 0.0376 0.0435
13:01-14:00, Wed., 21 Feb. 0.0482 0.0412 0.0444
12:01-13:00, Wed., 21 Feb. 0.0495 0.0406 0.0456
11:01-12:00, Wed., 21 Feb. 0.0474 0.0405 0.0443
10:01-11:00, Wed., 21 Feb. 0.0480 0.0393 0.0432
09:01-10:00, Wed., 21 Feb. 0.0450 0.0368 0.0410
08:01-09:00, Wed., 21 Feb. 0.0474 0.0372 0.0419
07:01-08:00, Wed., 21 Feb. 0.0461 0.0398 0.0427
06:01-07:00, Wed., 21 Feb. 0.0432 0.0354 0.0385
05:01-06:00, Wed., 21 Feb. 0.0403 0.0341 0.0368
04:01-05:00, Wed., 21 Feb. 0.0393 0.0345 0.0361
03:01-04:00, Wed., 21 Feb. 0.0394 0.0336 0.0363
02:01-03:00, Wed., 21 Feb. 0.0396 0.0348 0.0368
01:01-02:00, Wed., 21 Feb. 0.0431 0.0357 0.0376
00:01-01:00, Wed., 21 Feb. 0.0439 0.0359 0.0397
23:01-24:00, Tue., 20 Feb. 0.0415 0.0350 0.0373
22:01-23:00, Tue., 20 Feb. 0.0398 0.0329 0.0362
21:01-22:00, Tue., 20 Feb. 0.0395 0.0340 0.0359
20:01-21:00, Tue., 20 Feb. 0.0387 0.0341 0.0363
19:01-20:00, Tue., 20 Feb. 0.0398 0.0341 0.0362
18:01-19:00, Tue., 20 Feb. 0.0411 0.0343 0.0366
17:01-18:00, Tue., 20 Feb. 0.0400 0.0337 0.0360
16:01-17:00, Tue., 20 Feb. 0.0393 0.0339 0.0362
15:01-16:00, Tue., 20 Feb. 0.0383 0.0335 0.0359
14:01-15:00, Tue., 20 Feb. 0.0381 0.0337 0.0359
13:01-14:00, Tue., 20 Feb. 0.0399 0.0338 0.0359
12:01-13:00, Tue., 20 Feb. 0.0408 0.0338 0.0361
11:01-12:00, Tue., 20 Feb. 0.0380 0.0336 0.0357
10:01-11:00, Tue., 20 Feb. 0.0376 0.0335 0.0357
09:01-10:00, Tue., 20 Feb. 0.0382 0.0335 0.0359
08:01-09:00, Tue., 20 Feb. 0.0376 0.0339 0.0358
07:01-08:00, Tue., 20 Feb. 0.0379 0.0334 0.0357
06:01-07:00, Tue., 20 Feb. 0.0385 0.0340 0.0356
05:01-06:00, Tue., 20 Feb. 0.0383 0.0340 0.0356
04:01-05:00, Tue., 20 Feb. 0.0372 0.0334 0.0354
03:01-04:00, Tue., 20 Feb. 0.0382 0.0335 0.0355
02:01-03:00, Tue., 20 Feb. 0.0389 0.0335 0.0359
01:01-02:00, Tue., 20 Feb. 0.0384 0.0339 0.0356
00:01-01:00, Tue., 20 Feb. 0.0382 0.0337 0.0357
23:01-24:00, Mon., 19 Feb. 0.0409 0.0339 0.0361
22:01-23:00, Mon., 19 Feb. 0.0430 0.0343 0.0376
21:01-22:00, Mon., 19 Feb. 0.0418 0.0347 0.0371
20:01-21:00, Mon., 19 Feb. 0.0396 0.0336 0.0357
19:01-20:00, Mon., 19 Feb. 0.0376 0.0339 0.0358
18:01-19:00, Mon., 19 Feb. 0.0392 0.0335 0.0357
17:01-18:00, Mon., 19 Feb. 0.0412 0.0342 0.0362
16:01-17:00, Mon., 19 Feb. 0.0399 0.0346 0.0365
15:01-16:00, Mon., 19 Feb. 0.0403 0.0339 0.0367
14:01-15:00, Mon., 19 Feb. 0.0415 0.0359 0.0384
13:01-14:00, Mon., 19 Feb. 0.0436 0.0357 0.0390
12:01-13:00, Mon., 19 Feb. 0.0435 0.0355 0.0393
11:01-12:00, Mon., 19 Feb. 0.0423 0.0352 0.0380
10:01-11:00, Mon., 19 Feb. 0.0414 0.0342 0.0369
09:01-10:00, Mon., 19 Feb. 0.0385 0.0340 0.0366
08:01-09:00, Mon., 19 Feb. 0.0434 0.0357 0.0383
07:01-08:00, Mon., 19 Feb. 0.0452 0.0358 0.0395
06:01-07:00, Mon., 19 Feb. 0.0394 0.0347 0.0365
05:01-06:00, Mon., 19 Feb. 0.0391 0.0348 0.0365
04:01-05:00, Mon., 19 Feb. 0.0390 0.0331 0.0360
03:01-04:00, Mon., 19 Feb. 0.0376 0.0326 0.0357
02:01-03:00, Mon., 19 Feb. 0.0377 0.0337 0.0357
01:01-02:00, Mon., 19 Feb. 0.0384 0.0342 0.0359
00:01-01:00, Mon., 19 Feb. 0.0384 0.0343 0.0361