Measurement results by the hour (Shinjuku) 15 Feb., 2021 - 21 Feb., 2021

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., 21 Feb. 0.0404 0.0340 0.0366
22:01-23:00, Sun., 21 Feb. 0.0403 0.0348 0.0367
21:01-22:00, Sun., 21 Feb. 0.0414 0.0350 0.0367
20:01-21:00, Sun., 21 Feb. 0.0390 0.0339 0.0365
19:01-20:00, Sun., 21 Feb. 0.0402 0.0344 0.0367
18:01-19:00, Sun., 21 Feb. 0.0396 0.0343 0.0366
17:01-18:00, Sun., 21 Feb. 0.0401 0.0347 0.0365
16:01-17:00, Sun., 21 Feb. 0.0393 0.0341 0.0363
15:01-16:00, Sun., 21 Feb. 0.0386 0.0341 0.0364
14:01-15:00, Sun., 21 Feb. 0.0394 0.0344 0.0365
13:01-14:00, Sun., 21 Feb. 0.0403 0.0345 0.0368
12:01-13:00, Sun., 21 Feb. 0.0388 0.0347 0.0366
11:01-12:00, Sun., 21 Feb. 0.0397 0.0346 0.0364
10:01-11:00, Sun., 21 Feb. 0.0405 0.0341 0.0365
09:01-10:00, Sun., 21 Feb. 0.0389 0.0345 0.0365
08:01-09:00, Sun., 21 Feb. 0.0402 0.0345 0.0368
07:01-08:00, Sun., 21 Feb. 0.0400 0.0350 0.0366
06:01-07:00, Sun., 21 Feb. 0.0404 0.0339 0.0366
05:01-06:00, Sun., 21 Feb. 0.0386 0.0342 0.0364
04:01-05:00, Sun., 21 Feb. 0.0396 0.0339 0.0363
03:01-04:00, Sun., 21 Feb. 0.0388 0.0347 0.0363
02:01-03:00, Sun., 21 Feb. 0.0395 0.0347 0.0364
01:01-02:00, Sun., 21 Feb. 0.0393 0.0343 0.0363
00:01-01:00, Sun., 21 Feb. 0.0393 0.0346 0.0362
23:01-24:00, Sat., 20 Feb. 0.0394 0.0346 0.0363
22:01-23:00, Sat., 20 Feb. 0.0398 0.0342 0.0366
21:01-22:00, Sat., 20 Feb. 0.0395 0.0344 0.0366
20:01-21:00, Sat., 20 Feb. 0.0384 0.0334 0.0363
19:01-20:00, Sat., 20 Feb. 0.0383 0.0343 0.0362
18:01-19:00, Sat., 20 Feb. 0.0384 0.0329 0.0359
17:01-18:00, Sat., 20 Feb. 0.0387 0.0342 0.0362
16:01-17:00, Sat., 20 Feb. 0.0389 0.0346 0.0364
15:01-16:00, Sat., 20 Feb. 0.0389 0.0342 0.0361
14:01-15:00, Sat., 20 Feb. 0.0404 0.0339 0.0366
13:01-14:00, Sat., 20 Feb. 0.0410 0.0343 0.0365
12:01-13:00, Sat., 20 Feb. 0.0384 0.0347 0.0364
11:01-12:00, Sat., 20 Feb. 0.0408 0.0342 0.0364
10:01-11:00, Sat., 20 Feb. 0.0398 0.0351 0.0365
09:01-10:00, Sat., 20 Feb. 0.0406 0.0347 0.0368
08:01-09:00, Sat., 20 Feb. 0.0400 0.0343 0.0365
07:01-08:00, Sat., 20 Feb. 0.0395 0.0341 0.0365
06:01-07:00, Sat., 20 Feb. 0.0402 0.0336 0.0366
05:01-06:00, Sat., 20 Feb. 0.0391 0.0346 0.0364
04:01-05:00, Sat., 20 Feb. 0.0388 0.0345 0.0364
03:01-04:00, Sat., 20 Feb. 0.0387 0.0346 0.0366
02:01-03:00, Sat., 20 Feb. 0.0402 0.0347 0.0365
01:01-02:00, Sat., 20 Feb. 0.0397 0.0349 0.0366
00:01-01:00, Sat., 20 Feb. 0.0400 0.0330 0.0367
23:01-24:00, Fri., 19 Feb. 0.0390 0.0339 0.0362
22:01-23:00, Fri., 19 Feb. 0.0409 0.0346 0.0364
21:01-22:00, Fri., 19 Feb. 0.0412 0.0346 0.0363
20:01-21:00, Fri., 19 Feb. 0.0388 0.0339 0.0361
19:01-20:00, Fri., 19 Feb. 0.0384 0.0339 0.0360
18:01-19:00, Fri., 19 Feb. 0.0381 0.0339 0.0360
17:01-18:00, Fri., 19 Feb. 0.0391 0.0336 0.0362
16:01-17:00, Fri., 19 Feb. 0.0389 0.0337 0.0358
15:01-16:00, Fri., 19 Feb. 0.0392 0.0341 0.0359
14:01-15:00, Fri., 19 Feb. 0.0384 0.0339 0.0360
13:01-14:00, Fri., 19 Feb. 0.0387 0.0336 0.0359
12:01-13:00, Fri., 19 Feb. 0.0389 0.0340 0.0361
11:01-12:00, Fri., 19 Feb. 0.0384 0.0334 0.0358
10:01-11:00, Fri., 19 Feb. 0.0372 0.0330 0.0353
09:01-10:00, Fri., 19 Feb. 0.0385 0.0336 0.0358
08:01-09:00, Fri., 19 Feb. 0.0380 0.0344 0.0363
07:01-08:00, Fri., 19 Feb. 0.0403 0.0342 0.0364
06:01-07:00, Fri., 19 Feb. 0.0396 0.0341 0.0364
05:01-06:00, Fri., 19 Feb. 0.0404 0.0340 0.0363
04:01-05:00, Fri., 19 Feb. 0.0393 0.0336 0.0360
03:01-04:00, Fri., 19 Feb. 0.0395 0.0339 0.0364
02:01-03:00, Fri., 19 Feb. 0.0387 0.0341 0.0363
01:01-02:00, Fri., 19 Feb. 0.0395 0.0345 0.0362
00:01-01:00, Fri., 19 Feb. 0.0393 0.0342 0.0363
23:01-24:00, Thu., 18 Feb. 0.0389 0.0345 0.0360
22:01-23:00, Thu., 18 Feb. 0.0389 0.0337 0.0362
21:01-22:00, Thu., 18 Feb. 0.0388 0.0333 0.0359
20:01-21:00, Thu., 18 Feb. 0.0397 0.0339 0.0360
19:01-20:00, Thu., 18 Feb. 0.0381 0.0342 0.0361
18:01-19:00, Thu., 18 Feb. 0.0398 0.0340 0.0363
17:01-18:00, Thu., 18 Feb. 0.0403 0.0339 0.0360
16:01-17:00, Thu., 18 Feb. 0.0396 0.0333 0.0360
15:01-16:00, Thu., 18 Feb. 0.0396 0.0342 0.0363
14:01-15:00, Thu., 18 Feb. 0.0393 0.0343 0.0363
13:01-14:00, Thu., 18 Feb. 0.0388 0.0338 0.0362
12:01-13:00, Thu., 18 Feb. 0.0375 0.0343 0.0360
11:01-12:00, Thu., 18 Feb. 0.0380 0.0343 0.0362
10:01-11:00, Thu., 18 Feb. 0.0382 0.0339 0.0361
09:01-10:00, Thu., 18 Feb. 0.0407 0.0330 0.0360
08:01-09:00, Thu., 18 Feb. 0.0395 0.0343 0.0362
07:01-08:00, Thu., 18 Feb. 0.0386 0.0343 0.0362
06:01-07:00, Thu., 18 Feb. 0.0387 0.0336 0.0364
05:01-06:00, Thu., 18 Feb. 0.0376 0.0335 0.0360
04:01-05:00, Thu., 18 Feb. 0.0384 0.0341 0.0361
03:01-04:00, Thu., 18 Feb. 0.0384 0.0338 0.0362
02:01-03:00, Thu., 18 Feb. 0.0387 0.0345 0.0361
01:01-02:00, Thu., 18 Feb. 0.0390 0.0331 0.0360
00:01-01:00, Thu., 18 Feb. 0.0400 0.0338 0.0360
23:01-24:00, Wed., 17 Feb. 0.0376 0.0338 0.0358
22:01-23:00, Wed., 17 Feb. 0.0388 0.0338 0.0361
21:01-22:00, Wed., 17 Feb. 0.0410 0.0339 0.0360
20:01-21:00, Wed., 17 Feb. 0.0391 0.0338 0.0360
19:01-20:00, Wed., 17 Feb. 0.0378 0.0337 0.0358
18:01-19:00, Wed., 17 Feb. 0.0374 0.0337 0.0359
17:01-18:00, Wed., 17 Feb. 0.0401 0.0333 0.0360
16:01-17:00, Wed., 17 Feb. 0.0395 0.0338 0.0360
15:01-16:00, Wed., 17 Feb. 0.0388 0.0346 0.0364
14:01-15:00, Wed., 17 Feb. 0.0387 0.0340 0.0365
13:01-14:00, Wed., 17 Feb. 0.0399 0.0344 0.0365
12:01-13:00, Wed., 17 Feb. 0.0403 0.0348 0.0366
11:01-12:00, Wed., 17 Feb. 0.0385 0.0346 0.0362
10:01-11:00, Wed., 17 Feb. 0.0391 0.0347 0.0364
09:01-10:00, Wed., 17 Feb. 0.0389 0.0341 0.0363
08:01-09:00, Wed., 17 Feb. 0.0398 0.0341 0.0363
07:01-08:00, Wed., 17 Feb. 0.0396 0.0338 0.0362
06:01-07:00, Wed., 17 Feb. 0.0408 0.0340 0.0363
05:01-06:00, Wed., 17 Feb. 0.0400 0.0328 0.0362
04:01-05:00, Wed., 17 Feb. 0.0382 0.0336 0.0363
03:01-04:00, Wed., 17 Feb. 0.0394 0.0338 0.0361
02:01-03:00, Wed., 17 Feb. 0.0375 0.0339 0.0359
01:01-02:00, Wed., 17 Feb. 0.0396 0.0341 0.0360
00:01-01:00, Wed., 17 Feb. 0.0384 0.0341 0.0361
23:01-24:00, Tue., 16 Feb. 0.0389 0.0338 0.0360
22:01-23:00, Tue., 16 Feb. 0.0388 0.0345 0.0361
21:01-22:00, Tue., 16 Feb. 0.0375 0.0344 0.0359
20:01-21:00, Tue., 16 Feb. 0.0387 0.0337 0.0361
19:01-20:00, Tue., 16 Feb. 0.0392 0.0343 0.0363
18:01-19:00, Tue., 16 Feb. 0.0389 0.0337 0.0360
17:01-18:00, Tue., 16 Feb. 0.0396 0.0340 0.0364
16:01-17:00, Tue., 16 Feb. 0.0382 0.0336 0.0360
15:01-16:00, Tue., 16 Feb. 0.0390 0.0341 0.0363
14:01-15:00, Tue., 16 Feb. 0.0401 0.0341 0.0362
13:01-14:00, Tue., 16 Feb. 0.0389 0.0346 0.0362
12:01-13:00, Tue., 16 Feb. 0.0379 0.0340 0.0361
11:01-12:00, Tue., 16 Feb. 0.0387 0.0340 0.0360
10:01-11:00, Tue., 16 Feb. 0.0393 0.0345 0.0362
09:01-10:00, Tue., 16 Feb. 0.0412 0.0330 0.0361
08:01-09:00, Tue., 16 Feb. 0.0385 0.0339 0.0360
07:01-08:00, Tue., 16 Feb. 0.0375 0.0344 0.0360
06:01-07:00, Tue., 16 Feb. 0.0388 0.0336 0.0360
05:01-06:00, Tue., 16 Feb. 0.0386 0.0343 0.0361
04:01-05:00, Tue., 16 Feb. 0.0391 0.0339 0.0362
03:01-04:00, Tue., 16 Feb. 0.0405 0.0341 0.0365
02:01-03:00, Tue., 16 Feb. 0.0388 0.0340 0.0361
01:01-02:00, Tue., 16 Feb. 0.0378 0.0334 0.0359
00:01-01:00, Tue., 16 Feb. 0.0412 0.0340 0.0362
23:01-24:00, Mon., 15 Feb. 0.0389 0.0334 0.0360
22:01-23:00, Mon., 15 Feb. 0.0371 0.0339 0.0360
21:01-22:00, Mon., 15 Feb. 0.0396 0.0342 0.0361
20:01-21:00, Mon., 15 Feb. 0.0385 0.0341 0.0360
19:01-20:00, Mon., 15 Feb. 0.0399 0.0338 0.0360
18:01-19:00, Mon., 15 Feb. 0.0407 0.0349 0.0368
17:01-18:00, Mon., 15 Feb. 0.0411 0.0351 0.0380
16:01-17:00, Mon., 15 Feb. 0.0450 0.0384 0.0419
15:01-16:00, Mon., 15 Feb. 0.0439 0.0364 0.0399
14:01-15:00, Mon., 15 Feb. 0.0498 0.0387 0.0442
13:01-14:00, Mon., 15 Feb. 0.0520 0.0422 0.0472
12:01-13:00, Mon., 15 Feb. 0.0489 0.0402 0.0460
11:01-12:00, Mon., 15 Feb. 0.0503 0.0411 0.0459
10:01-11:00, Mon., 15 Feb. 0.0485 0.0413 0.0444
09:01-10:00, Mon., 15 Feb. 0.0449 0.0367 0.0404
08:01-09:00, Mon., 15 Feb. 0.0416 0.0341 0.0372
07:01-08:00, Mon., 15 Feb. 0.0393 0.0345 0.0365
06:01-07:00, Mon., 15 Feb. 0.0398 0.0346 0.0366
05:01-06:00, Mon., 15 Feb. 0.0396 0.0340 0.0369
04:01-05:00, Mon., 15 Feb. 0.0396 0.0339 0.0365
03:01-04:00, Mon., 15 Feb. 0.0378 0.0338 0.0361
02:01-03:00, Mon., 15 Feb. 0.0388 0.0335 0.0359
01:01-02:00, Mon., 15 Feb. 0.0382 0.0333 0.0360
00:01-01:00, Mon., 15 Feb. 0.0386 0.0336 0.0358