Measurement results by the hour (Shinjuku) 10 Feb., 2020 - 16 Feb., 2020

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 Feb. 0.0428 0.0356 0.0387
22:01-23:00, Sun., 16 Feb. 0.0444 0.0379 0.0414
21:01-22:00, Sun., 16 Feb. 0.0461 0.0376 0.0417
20:01-21:00, Sun., 16 Feb. 0.0456 0.0379 0.0415
19:01-20:00, Sun., 16 Feb. 0.0469 0.0382 0.0428
18:01-19:00, Sun., 16 Feb. 0.0456 0.0370 0.0414
17:01-18:00, Sun., 16 Feb. 0.0452 0.0351 0.0393
16:01-17:00, Sun., 16 Feb. 0.0414 0.0354 0.0381
15:01-16:00, Sun., 16 Feb. 0.0414 0.0354 0.0377
14:01-15:00, Sun., 16 Feb. 0.0424 0.0358 0.0376
13:01-14:00, Sun., 16 Feb. 0.0426 0.0365 0.0389
12:01-13:00, Sun., 16 Feb. 0.0453 0.0367 0.0412
11:01-12:00, Sun., 16 Feb. 0.0496 0.0400 0.0446
10:01-11:00, Sun., 16 Feb. 0.0474 0.0394 0.0438
09:01-10:00, Sun., 16 Feb. 0.0441 0.0376 0.0409
08:01-09:00, Sun., 16 Feb. 0.0441 0.0369 0.0406
07:01-08:00, Sun., 16 Feb. 0.0426 0.0356 0.0380
06:01-07:00, Sun., 16 Feb. 0.0416 0.0349 0.0376
05:01-06:00, Sun., 16 Feb. 0.0413 0.0355 0.0375
04:01-05:00, Sun., 16 Feb. 0.0417 0.0348 0.0373
03:01-04:00, Sun., 16 Feb. 0.0409 0.0347 0.0373
02:01-03:00, Sun., 16 Feb. 0.0410 0.0354 0.0375
01:01-02:00, Sun., 16 Feb. 0.0404 0.0354 0.0378
00:01-01:00, Sun., 16 Feb. 0.0402 0.0354 0.0375
23:01-24:00, Sat., 15 Feb. 0.0429 0.0353 0.0375
22:01-23:00, Sat., 15 Feb. 0.0392 0.0350 0.0367
21:01-22:00, Sat., 15 Feb. 0.0395 0.0342 0.0367
20:01-21:00, Sat., 15 Feb. 0.0393 0.0347 0.0366
19:01-20:00, Sat., 15 Feb. 0.0397 0.0342 0.0369
18:01-19:00, Sat., 15 Feb. 0.0407 0.0347 0.0372
17:01-18:00, Sat., 15 Feb. 0.0401 0.0343 0.0369
16:01-17:00, Sat., 15 Feb. 0.0389 0.0338 0.0367
15:01-16:00, Sat., 15 Feb. 0.0402 0.0354 0.0371
14:01-15:00, Sat., 15 Feb. 0.0387 0.0342 0.0366
13:01-14:00, Sat., 15 Feb. 0.0401 0.0352 0.0369
12:01-13:00, Sat., 15 Feb. 0.0407 0.0354 0.0373
11:01-12:00, Sat., 15 Feb. 0.0403 0.0351 0.0368
10:01-11:00, Sat., 15 Feb. 0.0403 0.0347 0.0371
09:01-10:00, Sat., 15 Feb. 0.0410 0.0353 0.0372
08:01-09:00, Sat., 15 Feb. 0.0395 0.0348 0.0369
07:01-08:00, Sat., 15 Feb. 0.0407 0.0355 0.0371
06:01-07:00, Sat., 15 Feb. 0.0412 0.0348 0.0371
05:01-06:00, Sat., 15 Feb. 0.0421 0.0352 0.0372
04:01-05:00, Sat., 15 Feb. 0.0400 0.0349 0.0371
03:01-04:00, Sat., 15 Feb. 0.0406 0.0342 0.0372
02:01-03:00, Sat., 15 Feb. 0.0423 0.0347 0.0371
01:01-02:00, Sat., 15 Feb. 0.0419 0.0348 0.0374
00:01-01:00, Sat., 15 Feb. 0.0411 0.0341 0.0373
23:01-24:00, Fri., 14 Feb. 0.0405 0.0337 0.0371
22:01-23:00, Fri., 14 Feb. 0.0399 0.0350 0.0368
21:01-22:00, Fri., 14 Feb. 0.0397 0.0350 0.0371
20:01-21:00, Fri., 14 Feb. 0.0407 0.0346 0.0370
19:01-20:00, Fri., 14 Feb. 0.0415 0.0348 0.0373
18:01-19:00, Fri., 14 Feb. 0.0427 0.0363 0.0391
17:01-18:00, Fri., 14 Feb. 0.0427 0.0360 0.0389
16:01-17:00, Fri., 14 Feb. 0.0406 0.0344 0.0370
15:01-16:00, Fri., 14 Feb. 0.0405 0.0343 0.0370
14:01-15:00, Fri., 14 Feb. 0.0412 0.0346 0.0370
13:01-14:00, Fri., 14 Feb. 0.0414 0.0350 0.0373
12:01-13:00, Fri., 14 Feb. 0.0400 0.0350 0.0373
11:01-12:00, Fri., 14 Feb. 0.0401 0.0352 0.0373
10:01-11:00, Fri., 14 Feb. 0.0403 0.0358 0.0376
09:01-10:00, Fri., 14 Feb. 0.0399 0.0352 0.0374
08:01-09:00, Fri., 14 Feb. 0.0397 0.0338 0.0374
07:01-08:00, Fri., 14 Feb. 0.0421 0.0353 0.0376
06:01-07:00, Fri., 14 Feb. 0.0405 0.0354 0.0372
05:01-06:00, Fri., 14 Feb. 0.0408 0.0347 0.0374
04:01-05:00, Fri., 14 Feb. 0.0390 0.0356 0.0371
03:01-04:00, Fri., 14 Feb. 0.0403 0.0343 0.0370
02:01-03:00, Fri., 14 Feb. 0.0401 0.0347 0.0370
01:01-02:00, Fri., 14 Feb. 0.0406 0.0344 0.0373
00:01-01:00, Fri., 14 Feb. 0.0402 0.0351 0.0370
23:01-24:00, Thu., 13 Feb. 0.0400 0.0355 0.0371
22:01-23:00, Thu., 13 Feb. 0.0402 0.0346 0.0369
21:01-22:00, Thu., 13 Feb. 0.0418 0.0350 0.0373
20:01-21:00, Thu., 13 Feb. 0.0436 0.0355 0.0373
19:01-20:00, Thu., 13 Feb. 0.0400 0.0351 0.0372
18:01-19:00, Thu., 13 Feb. 0.0423 0.0354 0.0376
17:01-18:00, Thu., 13 Feb. 0.0410 0.0350 0.0371
16:01-17:00, Thu., 13 Feb. 0.0418 0.0348 0.0373
15:01-16:00, Thu., 13 Feb. 0.0414 0.0350 0.0372
14:01-15:00, Thu., 13 Feb. 0.0413 0.0354 0.0377
13:01-14:00, Thu., 13 Feb. 0.0423 0.0347 0.0384
12:01-13:00, Thu., 13 Feb. 0.0406 0.0358 0.0377
11:01-12:00, Thu., 13 Feb. 0.0409 0.0358 0.0380
10:01-11:00, Thu., 13 Feb. 0.0425 0.0364 0.0391
09:01-10:00, Thu., 13 Feb. 0.0436 0.0364 0.0404
08:01-09:00, Thu., 13 Feb. 0.0412 0.0352 0.0374
07:01-08:00, Thu., 13 Feb. 0.0408 0.0354 0.0373
06:01-07:00, Thu., 13 Feb. 0.0415 0.0348 0.0372
05:01-06:00, Thu., 13 Feb. 0.0418 0.0347 0.0372
04:01-05:00, Thu., 13 Feb. 0.0394 0.0346 0.0370
03:01-04:00, Thu., 13 Feb. 0.0398 0.0341 0.0370
02:01-03:00, Thu., 13 Feb. 0.0399 0.0347 0.0369
01:01-02:00, Thu., 13 Feb. 0.0396 0.0354 0.0370
00:01-01:00, Thu., 13 Feb. 0.0405 0.0347 0.0371
23:01-24:00, Wed., 12 Feb. 0.0400 0.0353 0.0370
22:01-23:00, Wed., 12 Feb. 0.0416 0.0355 0.0372
21:01-22:00, Wed., 12 Feb. 0.0398 0.0342 0.0370
20:01-21:00, Wed., 12 Feb. 0.0393 0.0332 0.0366
19:01-20:00, Wed., 12 Feb. 0.0383 0.0350 0.0366
18:01-19:00, Wed., 12 Feb. 0.0395 0.0347 0.0368
17:01-18:00, Wed., 12 Feb. 0.0405 0.0346 0.0368
16:01-17:00, Wed., 12 Feb. 0.0404 0.0344 0.0366
15:01-16:00, Wed., 12 Feb. 0.0405 0.0334 0.0366
14:01-15:00, Wed., 12 Feb. 0.0402 0.0351 0.0370
13:01-14:00, Wed., 12 Feb. 0.0411 0.0356 0.0373
12:01-13:00, Wed., 12 Feb. 0.0403 0.0350 0.0372
11:01-12:00, Wed., 12 Feb. 0.0399 0.0342 0.0368
10:01-11:00, Wed., 12 Feb. 0.0418 0.0350 0.0369
09:01-10:00, Wed., 12 Feb. 0.0414 0.0345 0.0370
08:01-09:00, Wed., 12 Feb. 0.0426 0.0346 0.0372
07:01-08:00, Wed., 12 Feb. 0.0397 0.0341 0.0371
06:01-07:00, Wed., 12 Feb. 0.0408 0.0345 0.0370
05:01-06:00, Wed., 12 Feb. 0.0405 0.0341 0.0370
04:01-05:00, Wed., 12 Feb. 0.0391 0.0354 0.0368
03:01-04:00, Wed., 12 Feb. 0.0401 0.0351 0.0367
02:01-03:00, Wed., 12 Feb. 0.0405 0.0338 0.0364
01:01-02:00, Wed., 12 Feb. 0.0404 0.0350 0.0365
00:01-01:00, Wed., 12 Feb. 0.0390 0.0333 0.0366
23:01-24:00, Tue., 11 Feb. 0.0394 0.0342 0.0364
22:01-23:00, Tue., 11 Feb. 0.0408 0.0348 0.0368
21:01-22:00, Tue., 11 Feb. 0.0396 0.0339 0.0365
20:01-21:00, Tue., 11 Feb. 0.0390 0.0349 0.0363
19:01-20:00, Tue., 11 Feb. 0.0398 0.0338 0.0362
18:01-19:00, Tue., 11 Feb. 0.0390 0.0349 0.0366
17:01-18:00, Tue., 11 Feb. 0.0394 0.0344 0.0364
16:01-17:00, Tue., 11 Feb. 0.0397 0.0342 0.0368
15:01-16:00, Tue., 11 Feb. 0.0395 0.0350 0.0364
14:01-15:00, Tue., 11 Feb. 0.0394 0.0346 0.0365
13:01-14:00, Tue., 11 Feb. 0.0422 0.0349 0.0369
12:01-13:00, Tue., 11 Feb. 0.0405 0.0353 0.0369
11:01-12:00, Tue., 11 Feb. 0.0543 0.0337 0.0372
10:01-11:00, Tue., 11 Feb. 0.0451 0.0345 0.0367
09:01-10:00, Tue., 11 Feb. 0.0394 0.0339 0.0364
08:01-09:00, Tue., 11 Feb. 0.0398 0.0345 0.0368
07:01-08:00, Tue., 11 Feb. 0.0392 0.0346 0.0364
06:01-07:00, Tue., 11 Feb. 0.0387 0.0347 0.0363
05:01-06:00, Tue., 11 Feb. 0.0416 0.0345 0.0365
04:01-05:00, Tue., 11 Feb. 0.0396 0.0339 0.0364
03:01-04:00, Tue., 11 Feb. 0.0384 0.0337 0.0363
02:01-03:00, Tue., 11 Feb. 0.0386 0.0328 0.0363
01:01-02:00, Tue., 11 Feb. 0.0397 0.0349 0.0365
00:01-01:00, Tue., 11 Feb. 0.0390 0.0340 0.0363
23:01-24:00, Mon., 10 Feb. 0.0398 0.0348 0.0365
22:01-23:00, Mon., 10 Feb. 0.0395 0.0334 0.0363
21:01-22:00, Mon., 10 Feb. 0.0394 0.0340 0.0365
20:01-21:00, Mon., 10 Feb. 0.0393 0.0350 0.0366
19:01-20:00, Mon., 10 Feb. 0.0391 0.0338 0.0363
18:01-19:00, Mon., 10 Feb. 0.0383 0.0340 0.0361
17:01-18:00, Mon., 10 Feb. 0.0386 0.0330 0.0362
16:01-17:00, Mon., 10 Feb. 0.0389 0.0345 0.0361
15:01-16:00, Mon., 10 Feb. 0.0382 0.0347 0.0361
14:01-15:00, Mon., 10 Feb. 0.0402 0.0346 0.0368
13:01-14:00, Mon., 10 Feb. 0.0411 0.0338 0.0365
12:01-13:00, Mon., 10 Feb. 0.0394 0.0345 0.0362
11:01-12:00, Mon., 10 Feb. 0.0379 0.0345 0.0363
10:01-11:00, Mon., 10 Feb. 0.0394 0.0341 0.0363
09:01-10:00, Mon., 10 Feb. 0.0399 0.0338 0.0364
08:01-09:00, Mon., 10 Feb. 0.0395 0.0345 0.0361
07:01-08:00, Mon., 10 Feb. 0.0416 0.0346 0.0364
06:01-07:00, Mon., 10 Feb. 0.0395 0.0344 0.0364
05:01-06:00, Mon., 10 Feb. 0.0408 0.0351 0.0365
04:01-05:00, Mon., 10 Feb. 0.0411 0.0340 0.0365
03:01-04:00, Mon., 10 Feb. 0.0388 0.0333 0.0361
02:01-03:00, Mon., 10 Feb. 0.0390 0.0343 0.0363
01:01-02:00, Mon., 10 Feb. 0.0391 0.0341 0.0363
00:01-01:00, Mon., 10 Feb. 0.0409 0.0332 0.0366