Measurement results by the hour (Shinjuku) 16 Mar., 2020 - 22 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., 22 Mar. 0.0405 0.0345 0.0370
22:01-23:00, Sun., 22 Mar. 0.0404 0.0345 0.0373
21:01-22:00, Sun., 22 Mar. 0.0420 0.0354 0.0373
20:01-21:00, Sun., 22 Mar. 0.0407 0.0341 0.0374
19:01-20:00, Sun., 22 Mar. 0.0423 0.0350 0.0374
18:01-19:00, Sun., 22 Mar. 0.0403 0.0350 0.0372
17:01-18:00, Sun., 22 Mar. 0.0401 0.0349 0.0374
16:01-17:00, Sun., 22 Mar. 0.0413 0.0343 0.0370
15:01-16:00, Sun., 22 Mar. 0.0403 0.0353 0.0371
14:01-15:00, Sun., 22 Mar. 0.0422 0.0340 0.0372
13:01-14:00, Sun., 22 Mar. 0.0399 0.0353 0.0370
12:01-13:00, Sun., 22 Mar. 0.0415 0.0348 0.0371
11:01-12:00, Sun., 22 Mar. 0.0410 0.0355 0.0375
10:01-11:00, Sun., 22 Mar. 0.0414 0.0353 0.0377
09:01-10:00, Sun., 22 Mar. 0.0406 0.0354 0.0377
08:01-09:00, Sun., 22 Mar. 0.0424 0.0354 0.0381
07:01-08:00, Sun., 22 Mar. 0.0406 0.0349 0.0375
06:01-07:00, Sun., 22 Mar. 0.0429 0.0353 0.0375
05:01-06:00, Sun., 22 Mar. 0.0412 0.0357 0.0376
04:01-05:00, Sun., 22 Mar. 0.0408 0.0354 0.0377
03:01-04:00, Sun., 22 Mar. 0.0413 0.0357 0.0378
02:01-03:00, Sun., 22 Mar. 0.0410 0.0351 0.0378
01:01-02:00, Sun., 22 Mar. 0.0426 0.0352 0.0378
00:01-01:00, Sun., 22 Mar. 0.0411 0.0356 0.0373
23:01-24:00, Sat., 21 Mar. 0.0411 0.0350 0.0374
22:01-23:00, Sat., 21 Mar. 0.0407 0.0348 0.0372
21:01-22:00, Sat., 21 Mar. 0.0404 0.0346 0.0370
20:01-21:00, Sat., 21 Mar. 0.0405 0.0354 0.0371
19:01-20:00, Sat., 21 Mar. 0.0394 0.0352 0.0372
18:01-19:00, Sat., 21 Mar. 0.0393 0.0346 0.0369
17:01-18:00, Sat., 21 Mar. 0.0402 0.0350 0.0369
16:01-17:00, Sat., 21 Mar. 0.0414 0.0341 0.0368
15:01-16:00, Sat., 21 Mar. 0.0412 0.0351 0.0373
14:01-15:00, Sat., 21 Mar. 0.0424 0.0359 0.0373
13:01-14:00, Sat., 21 Mar. 0.0414 0.0347 0.0372
12:01-13:00, Sat., 21 Mar. 0.0398 0.0347 0.0370
11:01-12:00, Sat., 21 Mar. 0.0406 0.0353 0.0373
10:01-11:00, Sat., 21 Mar. 0.0407 0.0351 0.0373
09:01-10:00, Sat., 21 Mar. 0.0410 0.0356 0.0379
08:01-09:00, Sat., 21 Mar. 0.0411 0.0352 0.0377
07:01-08:00, Sat., 21 Mar. 0.0419 0.0358 0.0376
06:01-07:00, Sat., 21 Mar. 0.0405 0.0346 0.0371
05:01-06:00, Sat., 21 Mar. 0.0400 0.0342 0.0364
04:01-05:00, Sat., 21 Mar. 0.0417 0.0344 0.0371
03:01-04:00, Sat., 21 Mar. 0.0401 0.0337 0.0367
02:01-03:00, Sat., 21 Mar. 0.0396 0.0348 0.0367
01:01-02:00, Sat., 21 Mar. 0.0404 0.0345 0.0368
00:01-01:00, Sat., 21 Mar. 0.0390 0.0345 0.0367
23:01-24:00, Fri., 20 Mar. 0.0410 0.0348 0.0370
22:01-23:00, Fri., 20 Mar. 0.0408 0.0351 0.0367
21:01-22:00, Fri., 20 Mar. 0.0406 0.0349 0.0370
20:01-21:00, Fri., 20 Mar. 0.0402 0.0352 0.0371
19:01-20:00, Fri., 20 Mar. 0.0408 0.0356 0.0372
18:01-19:00, Fri., 20 Mar. 0.0408 0.0352 0.0371
17:01-18:00, Fri., 20 Mar. 0.0398 0.0339 0.0369
16:01-17:00, Fri., 20 Mar. 0.0407 0.0345 0.0373
15:01-16:00, Fri., 20 Mar. 0.0406 0.0350 0.0373
14:01-15:00, Fri., 20 Mar. 0.0408 0.0358 0.0377
13:01-14:00, Fri., 20 Mar. 0.0395 0.0348 0.0370
12:01-13:00, Fri., 20 Mar. 0.0401 0.0360 0.0375
11:01-12:00, Fri., 20 Mar. 0.0402 0.0354 0.0371
10:01-11:00, Fri., 20 Mar. 0.0407 0.0350 0.0372
09:01-10:00, Fri., 20 Mar. 0.0404 0.0337 0.0368
08:01-09:00, Fri., 20 Mar. 0.0409 0.0343 0.0370
07:01-08:00, Fri., 20 Mar. 0.0396 0.0344 0.0366
06:01-07:00, Fri., 20 Mar. 0.0399 0.0349 0.0370
05:01-06:00, Fri., 20 Mar. 0.0410 0.0344 0.0369
04:01-05:00, Fri., 20 Mar. 0.0396 0.0345 0.0363
03:01-04:00, Fri., 20 Mar. 0.0390 0.0344 0.0363
02:01-03:00, Fri., 20 Mar. 0.0392 0.0340 0.0362
01:01-02:00, Fri., 20 Mar. 0.0384 0.0341 0.0364
00:01-01:00, Fri., 20 Mar. 0.0398 0.0342 0.0367
23:01-24:00, Thu., 19 Mar. 0.0444 0.0357 0.0387
22:01-23:00, Thu., 19 Mar. 0.0467 0.0372 0.0418
21:01-22:00, Thu., 19 Mar. 0.0430 0.0343 0.0392
20:01-21:00, Thu., 19 Mar. 0.0403 0.0344 0.0366
19:01-20:00, Thu., 19 Mar. 0.0401 0.0348 0.0364
18:01-19:00, Thu., 19 Mar. 0.0398 0.0339 0.0363
17:01-18:00, Thu., 19 Mar. 0.0385 0.0343 0.0364
16:01-17:00, Thu., 19 Mar. 0.0394 0.0342 0.0365
15:01-16:00, Thu., 19 Mar. 0.0403 0.0343 0.0366
14:01-15:00, Thu., 19 Mar. 0.0397 0.0345 0.0368
13:01-14:00, Thu., 19 Mar. 0.0402 0.0343 0.0368
12:01-13:00, Thu., 19 Mar. 0.0405 0.0351 0.0369
11:01-12:00, Thu., 19 Mar. 0.0401 0.0346 0.0374
10:01-11:00, Thu., 19 Mar. 0.0403 0.0347 0.0372
09:01-10:00, Thu., 19 Mar. 0.0407 0.0351 0.0373
08:01-09:00, Thu., 19 Mar. 0.0404 0.0345 0.0373
07:01-08:00, Thu., 19 Mar. 0.0416 0.0348 0.0373
06:01-07:00, Thu., 19 Mar. 0.0400 0.0344 0.0368
05:01-06:00, Thu., 19 Mar. 0.0410 0.0348 0.0371
04:01-05:00, Thu., 19 Mar. 0.0413 0.0348 0.0371
03:01-04:00, Thu., 19 Mar. 0.0384 0.0342 0.0365
02:01-03:00, Thu., 19 Mar. 0.0398 0.0346 0.0366
01:01-02:00, Thu., 19 Mar. 0.0406 0.0346 0.0370
00:01-01:00, Thu., 19 Mar. 0.0393 0.0344 0.0366
23:01-24:00, Wed., 18 Mar. 0.0403 0.0337 0.0368
22:01-23:00, Wed., 18 Mar. 0.0396 0.0340 0.0364
21:01-22:00, Wed., 18 Mar. 0.0401 0.0345 0.0367
20:01-21:00, Wed., 18 Mar. 0.0408 0.0341 0.0367
19:01-20:00, Wed., 18 Mar. 0.0395 0.0346 0.0366
18:01-19:00, Wed., 18 Mar. 0.0395 0.0350 0.0366
17:01-18:00, Wed., 18 Mar. 0.0399 0.0349 0.0366
16:01-17:00, Wed., 18 Mar. 0.0398 0.0346 0.0368
15:01-16:00, Wed., 18 Mar. 0.0396 0.0352 0.0368
14:01-15:00, Wed., 18 Mar. 0.0415 0.0347 0.0370
13:01-14:00, Wed., 18 Mar. 0.0395 0.0350 0.0370
12:01-13:00, Wed., 18 Mar. 0.0410 0.0350 0.0369
11:01-12:00, Wed., 18 Mar. 0.0399 0.0354 0.0371
10:01-11:00, Wed., 18 Mar. 0.0405 0.0348 0.0370
09:01-10:00, Wed., 18 Mar. 0.0399 0.0344 0.0369
08:01-09:00, Wed., 18 Mar. 0.0407 0.0351 0.0371
07:01-08:00, Wed., 18 Mar. 0.0410 0.0342 0.0371
06:01-07:00, Wed., 18 Mar. 0.0406 0.0350 0.0373
05:01-06:00, Wed., 18 Mar. 0.0388 0.0338 0.0366
04:01-05:00, Wed., 18 Mar. 0.0402 0.0348 0.0368
03:01-04:00, Wed., 18 Mar. 0.0390 0.0348 0.0369
02:01-03:00, Wed., 18 Mar. 0.0400 0.0347 0.0367
01:01-02:00, Wed., 18 Mar. 0.0397 0.0348 0.0366
00:01-01:00, Wed., 18 Mar. 0.0379 0.0338 0.0365
23:01-24:00, Tue., 17 Mar. 0.0394 0.0350 0.0366
22:01-23:00, Tue., 17 Mar. 0.0394 0.0347 0.0366
21:01-22:00, Tue., 17 Mar. 0.0392 0.0350 0.0366
20:01-21:00, Tue., 17 Mar. 0.0406 0.0342 0.0365
19:01-20:00, Tue., 17 Mar. 0.0387 0.0345 0.0365
18:01-19:00, Tue., 17 Mar. 0.0389 0.0348 0.0363
17:01-18:00, Tue., 17 Mar. 0.0386 0.0348 0.0363
16:01-17:00, Tue., 17 Mar. 0.0395 0.0351 0.0364
15:01-16:00, Tue., 17 Mar. 0.0393 0.0335 0.0366
14:01-15:00, Tue., 17 Mar. 0.0379 0.0343 0.0363
13:01-14:00, Tue., 17 Mar. 0.0415 0.0340 0.0363
12:01-13:00, Tue., 17 Mar. 0.0397 0.0347 0.0365
11:01-12:00, Tue., 17 Mar. 0.0395 0.0337 0.0361
10:01-11:00, Tue., 17 Mar. 0.0394 0.0334 0.0364
09:01-10:00, Tue., 17 Mar. 0.0401 0.0332 0.0364
08:01-09:00, Tue., 17 Mar. 0.0381 0.0337 0.0360
07:01-08:00, Tue., 17 Mar. 0.0403 0.0346 0.0364
06:01-07:00, Tue., 17 Mar. 0.0391 0.0345 0.0363
05:01-06:00, Tue., 17 Mar. 0.0387 0.0347 0.0361
04:01-05:00, Tue., 17 Mar. 0.0384 0.0338 0.0361
03:01-04:00, Tue., 17 Mar. 0.0409 0.0335 0.0360
02:01-03:00, Tue., 17 Mar. 0.0389 0.0321 0.0356
01:01-02:00, Tue., 17 Mar. 0.0392 0.0343 0.0363
00:01-01:00, Tue., 17 Mar. 0.0380 0.0343 0.0362
23:01-24:00, Mon., 16 Mar. 0.0404 0.0346 0.0364
22:01-23:00, Mon., 16 Mar. 0.0389 0.0342 0.0362
21:01-22:00, Mon., 16 Mar. 0.0380 0.0342 0.0361
20:01-21:00, Mon., 16 Mar. 0.0400 0.0340 0.0362
19:01-20:00, Mon., 16 Mar. 0.0402 0.0347 0.0368
18:01-19:00, Mon., 16 Mar. 0.0382 0.0339 0.0362
17:01-18:00, Mon., 16 Mar. 0.0395 0.0348 0.0365
16:01-17:00, Mon., 16 Mar. 0.0398 0.0350 0.0366
15:01-16:00, Mon., 16 Mar. 0.0399 0.0349 0.0368
14:01-15:00, Mon., 16 Mar. 0.0403 0.0345 0.0368
13:01-14:00, Mon., 16 Mar. 0.0400 0.0343 0.0367
12:01-13:00, Mon., 16 Mar. 0.0395 0.0335 0.0367
11:01-12:00, Mon., 16 Mar. 0.0399 0.0339 0.0369
10:01-11:00, Mon., 16 Mar. 0.0408 0.0350 0.0370
09:01-10:00, Mon., 16 Mar. 0.0413 0.0353 0.0371
08:01-09:00, Mon., 16 Mar. 0.0397 0.0347 0.0369
07:01-08:00, Mon., 16 Mar. 0.0411 0.0355 0.0371
06:01-07:00, Mon., 16 Mar. 0.0399 0.0352 0.0373
05:01-06:00, Mon., 16 Mar. 0.0405 0.0352 0.0370
04:01-05:00, Mon., 16 Mar. 0.0402 0.0335 0.0366
03:01-04:00, Mon., 16 Mar. 0.0399 0.0345 0.0365
02:01-03:00, Mon., 16 Mar. 0.0397 0.0338 0.0364
01:01-02:00, Mon., 16 Mar. 0.0408 0.0342 0.0369
00:01-01:00, Mon., 16 Mar. 0.0389 0.0346 0.0365