Measurement results by the hour (Shinjuku) 24 Feb., 2020 - 1 Mar., 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., 01 Mar. 0.0403 0.0348 0.0366
22:01-23:00, Sun., 01 Mar. 0.0393 0.0346 0.0366
21:01-22:00, Sun., 01 Mar. 0.0390 0.0343 0.0366
20:01-21:00, Sun., 01 Mar. 0.0386 0.0344 0.0366
19:01-20:00, Sun., 01 Mar. 0.0411 0.0342 0.0368
18:01-19:00, Sun., 01 Mar. 0.0408 0.0345 0.0368
17:01-18:00, Sun., 01 Mar. 0.0402 0.0346 0.0368
16:01-17:00, Sun., 01 Mar. 0.0395 0.0349 0.0369
15:01-16:00, Sun., 01 Mar. 0.0406 0.0340 0.0370
14:01-15:00, Sun., 01 Mar. 0.0410 0.0343 0.0371
13:01-14:00, Sun., 01 Mar. 0.0403 0.0348 0.0371
12:01-13:00, Sun., 01 Mar. 0.0400 0.0347 0.0370
11:01-12:00, Sun., 01 Mar. 0.0396 0.0347 0.0371
10:01-11:00, Sun., 01 Mar. 0.0393 0.0356 0.0372
09:01-10:00, Sun., 01 Mar. 0.0411 0.0356 0.0374
08:01-09:00, Sun., 01 Mar. 0.0398 0.0348 0.0370
07:01-08:00, Sun., 01 Mar. 0.0393 0.0352 0.0367
06:01-07:00, Sun., 01 Mar. 0.0397 0.0342 0.0368
05:01-06:00, Sun., 01 Mar. 0.0402 0.0350 0.0367
04:01-05:00, Sun., 01 Mar. 0.0393 0.0341 0.0364
03:01-04:00, Sun., 01 Mar. 0.0392 0.0348 0.0366
02:01-03:00, Sun., 01 Mar. 0.0413 0.0355 0.0373
01:01-02:00, Sun., 01 Mar. 0.0434 0.0359 0.0398
00:01-01:00, Sun., 01 Mar. 0.0461 0.0379 0.0416
23:01-24:00, Sat., 29 Feb. 0.0449 0.0368 0.0413
22:01-23:00, Sat., 29 Feb. 0.0447 0.0362 0.0409
21:01-22:00, Sat., 29 Feb. 0.0411 0.0343 0.0367
20:01-21:00, Sat., 29 Feb. 0.0414 0.0332 0.0362
19:01-20:00, Sat., 29 Feb. 0.0388 0.0327 0.0363
18:01-19:00, Sat., 29 Feb. 0.0396 0.0346 0.0368
17:01-18:00, Sat., 29 Feb. 0.0387 0.0349 0.0365
16:01-17:00, Sat., 29 Feb. 0.0398 0.0348 0.0366
15:01-16:00, Sat., 29 Feb. 0.0414 0.0346 0.0367
14:01-15:00, Sat., 29 Feb. 0.0391 0.0344 0.0367
13:01-14:00, Sat., 29 Feb. 0.0412 0.0350 0.0371
12:01-13:00, Sat., 29 Feb. 0.0390 0.0350 0.0366
11:01-12:00, Sat., 29 Feb. 0.0407 0.0345 0.0374
10:01-11:00, Sat., 29 Feb. 0.0398 0.0347 0.0370
09:01-10:00, Sat., 29 Feb. 0.0400 0.0342 0.0368
08:01-09:00, Sat., 29 Feb. 0.0401 0.0352 0.0372
07:01-08:00, Sat., 29 Feb. 0.0401 0.0348 0.0371
06:01-07:00, Sat., 29 Feb. 0.0407 0.0352 0.0370
05:01-06:00, Sat., 29 Feb. 0.0412 0.0344 0.0370
04:01-05:00, Sat., 29 Feb. 0.0383 0.0345 0.0367
03:01-04:00, Sat., 29 Feb. 0.0412 0.0329 0.0367
02:01-03:00, Sat., 29 Feb. 0.0412 0.0347 0.0365
01:01-02:00, Sat., 29 Feb. 0.0387 0.0345 0.0363
00:01-01:00, Sat., 29 Feb. 0.0391 0.0343 0.0364
23:01-24:00, Fri., 28 Feb. 0.0405 0.0345 0.0367
22:01-23:00, Fri., 28 Feb. 0.0396 0.0341 0.0365
21:01-22:00, Fri., 28 Feb. 0.0395 0.0347 0.0366
20:01-21:00, Fri., 28 Feb. 0.0389 0.0350 0.0365
19:01-20:00, Fri., 28 Feb. 0.0407 0.0344 0.0364
18:01-19:00, Fri., 28 Feb. 0.0402 0.0344 0.0366
17:01-18:00, Fri., 28 Feb. 0.0390 0.0349 0.0363
16:01-17:00, Fri., 28 Feb. 0.0392 0.0341 0.0365
15:01-16:00, Fri., 28 Feb. 0.0380 0.0338 0.0361
14:01-15:00, Fri., 28 Feb. 0.0399 0.0347 0.0366
13:01-14:00, Fri., 28 Feb. 0.0421 0.0347 0.0366
12:01-13:00, Fri., 28 Feb. 0.0386 0.0341 0.0361
11:01-12:00, Fri., 28 Feb. 0.0382 0.0331 0.0358
10:01-11:00, Fri., 28 Feb. 0.0405 0.0340 0.0364
09:01-10:00, Fri., 28 Feb. 0.0401 0.0348 0.0367
08:01-09:00, Fri., 28 Feb. 0.0385 0.0344 0.0364
07:01-08:00, Fri., 28 Feb. 0.0406 0.0349 0.0367
06:01-07:00, Fri., 28 Feb. 0.0393 0.0348 0.0364
05:01-06:00, Fri., 28 Feb. 0.0389 0.0339 0.0366
04:01-05:00, Fri., 28 Feb. 0.0396 0.0344 0.0362
03:01-04:00, Fri., 28 Feb. 0.0383 0.0345 0.0363
02:01-03:00, Fri., 28 Feb. 0.0419 0.0343 0.0364
01:01-02:00, Fri., 28 Feb. 0.0400 0.0345 0.0367
00:01-01:00, Fri., 28 Feb. 0.0412 0.0338 0.0364
23:01-24:00, Thu., 27 Feb. 0.0390 0.0347 0.0365
22:01-23:00, Thu., 27 Feb. 0.0385 0.0349 0.0364
21:01-22:00, Thu., 27 Feb. 0.0389 0.0338 0.0364
20:01-21:00, Thu., 27 Feb. 0.0397 0.0340 0.0364
19:01-20:00, Thu., 27 Feb. 0.0404 0.0342 0.0364
18:01-19:00, Thu., 27 Feb. 0.0397 0.0342 0.0365
17:01-18:00, Thu., 27 Feb. 0.0400 0.0342 0.0364
16:01-17:00, Thu., 27 Feb. 0.0397 0.0344 0.0365
15:01-16:00, Thu., 27 Feb. 0.0395 0.0334 0.0361
14:01-15:00, Thu., 27 Feb. 0.0395 0.0342 0.0364
13:01-14:00, Thu., 27 Feb. 0.0400 0.0348 0.0365
12:01-13:00, Thu., 27 Feb. 0.0410 0.0341 0.0364
11:01-12:00, Thu., 27 Feb. 0.0400 0.0341 0.0365
10:01-11:00, Thu., 27 Feb. 0.0398 0.0352 0.0366
09:01-10:00, Thu., 27 Feb. 0.0403 0.0337 0.0365
08:01-09:00, Thu., 27 Feb. 0.0390 0.0344 0.0364
07:01-08:00, Thu., 27 Feb. 0.0395 0.0337 0.0365
06:01-07:00, Thu., 27 Feb. 0.0399 0.0336 0.0365
05:01-06:00, Thu., 27 Feb. 0.0400 0.0339 0.0366
04:01-05:00, Thu., 27 Feb. 0.0405 0.0350 0.0367
03:01-04:00, Thu., 27 Feb. 0.0400 0.0346 0.0365
02:01-03:00, Thu., 27 Feb. 0.0397 0.0348 0.0367
01:01-02:00, Thu., 27 Feb. 0.0415 0.0349 0.0371
00:01-01:00, Thu., 27 Feb. 0.0437 0.0355 0.0378
23:01-24:00, Wed., 26 Feb. 0.0406 0.0356 0.0382
22:01-23:00, Wed., 26 Feb. 0.0413 0.0354 0.0374
21:01-22:00, Wed., 26 Feb. 0.0401 0.0347 0.0370
20:01-21:00, Wed., 26 Feb. 0.0402 0.0350 0.0371
19:01-20:00, Wed., 26 Feb. 0.0403 0.0350 0.0371
18:01-19:00, Wed., 26 Feb. 0.0408 0.0348 0.0369
17:01-18:00, Wed., 26 Feb. 0.0403 0.0350 0.0370
16:01-17:00, Wed., 26 Feb. 0.0397 0.0348 0.0370
15:01-16:00, Wed., 26 Feb. 0.0422 0.0351 0.0373
14:01-15:00, Wed., 26 Feb. 0.0444 0.0356 0.0379
13:01-14:00, Wed., 26 Feb. 0.0397 0.0349 0.0369
12:01-13:00, Wed., 26 Feb. 0.0384 0.0350 0.0365
11:01-12:00, Wed., 26 Feb. 0.0410 0.0342 0.0367
10:01-11:00, Wed., 26 Feb. 0.0410 0.0350 0.0366
09:01-10:00, Wed., 26 Feb. 0.0417 0.0350 0.0376
08:01-09:00, Wed., 26 Feb. 0.0433 0.0364 0.0403
07:01-08:00, Wed., 26 Feb. 0.0460 0.0395 0.0425
06:01-07:00, Wed., 26 Feb. 0.0441 0.0368 0.0397
05:01-06:00, Wed., 26 Feb. 0.0419 0.0354 0.0386
04:01-05:00, Wed., 26 Feb. 0.0430 0.0360 0.0383
03:01-04:00, Wed., 26 Feb. 0.0496 0.0379 0.0428
02:01-03:00, Wed., 26 Feb. 0.0542 0.0430 0.0490
01:01-02:00, Wed., 26 Feb. 0.0540 0.0480 0.0509
00:01-01:00, Wed., 26 Feb. 0.0520 0.0392 0.0447
23:01-24:00, Tue., 25 Feb. 0.0441 0.0356 0.0397
22:01-23:00, Tue., 25 Feb. 0.0403 0.0350 0.0371
21:01-22:00, Tue., 25 Feb. 0.0404 0.0333 0.0367
20:01-21:00, Tue., 25 Feb. 0.0401 0.0348 0.0369
19:01-20:00, Tue., 25 Feb. 0.0411 0.0355 0.0372
18:01-19:00, Tue., 25 Feb. 0.0412 0.0346 0.0372
17:01-18:00, Tue., 25 Feb. 0.0414 0.0350 0.0373
16:01-17:00, Tue., 25 Feb. 0.0398 0.0344 0.0368
15:01-16:00, Tue., 25 Feb. 0.0402 0.0345 0.0367
14:01-15:00, Tue., 25 Feb. 0.0386 0.0350 0.0366
13:01-14:00, Tue., 25 Feb. 0.0395 0.0345 0.0367
12:01-13:00, Tue., 25 Feb. 0.0397 0.0346 0.0366
11:01-12:00, Tue., 25 Feb. 0.0413 0.0350 0.0375
10:01-11:00, Tue., 25 Feb. 0.0405 0.0353 0.0374
09:01-10:00, Tue., 25 Feb. 0.0414 0.0350 0.0378
08:01-09:00, Tue., 25 Feb. 0.0421 0.0356 0.0381
07:01-08:00, Tue., 25 Feb. 0.0417 0.0357 0.0381
06:01-07:00, Tue., 25 Feb. 0.0423 0.0359 0.0380
05:01-06:00, Tue., 25 Feb. 0.0404 0.0357 0.0380
04:01-05:00, Tue., 25 Feb. 0.0395 0.0348 0.0370
03:01-04:00, Tue., 25 Feb. 0.0412 0.0350 0.0372
02:01-03:00, Tue., 25 Feb. 0.0402 0.0353 0.0372
01:01-02:00, Tue., 25 Feb. 0.0403 0.0348 0.0370
00:01-01:00, Tue., 25 Feb. 0.0412 0.0345 0.0369
23:01-24:00, Mon., 24 Feb. 0.0403 0.0343 0.0369
22:01-23:00, Mon., 24 Feb. 0.0420 0.0346 0.0370
21:01-22:00, Mon., 24 Feb. 0.0426 0.0347 0.0373
20:01-21:00, Mon., 24 Feb. 0.0402 0.0350 0.0369
19:01-20:00, Mon., 24 Feb. 0.0400 0.0348 0.0369
18:01-19:00, Mon., 24 Feb. 0.0394 0.0349 0.0369
17:01-18:00, Mon., 24 Feb. 0.0403 0.0350 0.0373
16:01-17:00, Mon., 24 Feb. 0.0403 0.0345 0.0370
15:01-16:00, Mon., 24 Feb. 0.0413 0.0341 0.0372
14:01-15:00, Mon., 24 Feb. 0.0426 0.0349 0.0379
13:01-14:00, Mon., 24 Feb. 0.0413 0.0349 0.0375
12:01-13:00, Mon., 24 Feb. 0.0411 0.0353 0.0373
11:01-12:00, Mon., 24 Feb. 0.0414 0.0349 0.0371
10:01-11:00, Mon., 24 Feb. 0.0414 0.0350 0.0375
09:01-10:00, Mon., 24 Feb. 0.0398 0.0353 0.0371
08:01-09:00, Mon., 24 Feb. 0.0408 0.0357 0.0379
07:01-08:00, Mon., 24 Feb. 0.0403 0.0359 0.0377
06:01-07:00, Mon., 24 Feb. 0.0408 0.0356 0.0374
05:01-06:00, Mon., 24 Feb. 0.0423 0.0357 0.0376
04:01-05:00, Mon., 24 Feb. 0.0409 0.0351 0.0372
03:01-04:00, Mon., 24 Feb. 0.0417 0.0354 0.0374
02:01-03:00, Mon., 24 Feb. 0.0406 0.0352 0.0371
01:01-02:00, Mon., 24 Feb. 0.0414 0.0349 0.0372
00:01-01:00, Mon., 24 Feb. 0.0409 0.0352 0.0374