Measurement results by the hour (Shinjuku) 25 Apr., 2016 - 1 May., 2016

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 May. 0.0338 0.0295 0.0317
22:01-23:00, Sun., 01 May. 0.0335 0.0299 0.0316
21:01-22:00, Sun., 01 May. 0.0339 0.0302 0.0316
20:01-21:00, Sun., 01 May. 0.0345 0.0297 0.0322
19:01-20:00, Sun., 01 May. 0.0348 0.0298 0.0322
18:01-19:00, Sun., 01 May. 0.0343 0.0308 0.0323
17:01-18:00, Sun., 01 May. 0.0346 0.0295 0.0319
16:01-17:00, Sun., 01 May. 0.0335 0.0296 0.0319
15:01-16:00, Sun., 01 May. 0.0348 0.0297 0.0321
14:01-15:00, Sun., 01 May. 0.0347 0.0294 0.0321
13:01-14:00, Sun., 01 May. 0.0345 0.0303 0.0324
12:01-13:00, Sun., 01 May. 0.0346 0.0307 0.0325
11:01-12:00, Sun., 01 May. 0.0343 0.0299 0.0323
10:01-11:00, Sun., 01 May. 0.0346 0.0298 0.0325
09:01-10:00, Sun., 01 May. 0.0348 0.0306 0.0325
08:01-09:00, Sun., 01 May. 0.0348 0.0301 0.0325
07:01-08:00, Sun., 01 May. 0.0346 0.0307 0.0327
06:01-07:00, Sun., 01 May. 0.0347 0.0307 0.0327
05:01-06:00, Sun., 01 May. 0.0346 0.0301 0.0323
04:01-05:00, Sun., 01 May. 0.0339 0.0305 0.0321
03:01-04:00, Sun., 01 May. 0.0344 0.0299 0.0324
02:01-03:00, Sun., 01 May. 0.0342 0.0297 0.0325
01:01-02:00, Sun., 01 May. 0.0346 0.0305 0.0324
00:01-01:00, Sun., 01 May. 0.0332 0.0299 0.0320
23:01-24:00, Sat., 30 Apr. 0.0338 0.0299 0.0318
22:01-23:00, Sat., 30 Apr. 0.0334 0.0300 0.0316
21:01-22:00, Sat., 30 Apr. 0.0334 0.0297 0.0317
20:01-21:00, Sat., 30 Apr. 0.0335 0.0298 0.0317
19:01-20:00, Sat., 30 Apr. 0.0340 0.0300 0.0320
18:01-19:00, Sat., 30 Apr. 0.0340 0.0300 0.0320
17:01-18:00, Sat., 30 Apr. 0.0337 0.0292 0.0315
16:01-17:00, Sat., 30 Apr. 0.0341 0.0293 0.0315
15:01-16:00, Sat., 30 Apr. 0.0341 0.0294 0.0317
14:01-15:00, Sat., 30 Apr. 0.0331 0.0289 0.0316
13:01-14:00, Sat., 30 Apr. 0.0334 0.0292 0.0316
12:01-13:00, Sat., 30 Apr. 0.0346 0.0303 0.0319
11:01-12:00, Sat., 30 Apr. 0.0341 0.0297 0.0319
10:01-11:00, Sat., 30 Apr. 0.0344 0.0301 0.0320
09:01-10:00, Sat., 30 Apr. 0.0345 0.0305 0.0321
08:01-09:00, Sat., 30 Apr. 0.0340 0.0298 0.0320
07:01-08:00, Sat., 30 Apr. 0.0335 0.0296 0.0318
06:01-07:00, Sat., 30 Apr. 0.0332 0.0301 0.0317
05:01-06:00, Sat., 30 Apr. 0.0333 0.0295 0.0314
04:01-05:00, Sat., 30 Apr. 0.0333 0.0297 0.0314
03:01-04:00, Sat., 30 Apr. 0.0334 0.0296 0.0314
02:01-03:00, Sat., 30 Apr. 0.0346 0.0296 0.0314
01:01-02:00, Sat., 30 Apr. 0.0337 0.0293 0.0314
00:01-01:00, Sat., 30 Apr. 0.0334 0.0292 0.0314
23:01-24:00, Fri., 29 Apr. 0.0342 0.0290 0.0316
22:01-23:00, Fri., 29 Apr. 0.0331 0.0297 0.0316
21:01-22:00, Fri., 29 Apr. 0.0337 0.0298 0.0316
20:01-21:00, Fri., 29 Apr. 0.0334 0.0293 0.0313
19:01-20:00, Fri., 29 Apr. 0.0335 0.0292 0.0313
18:01-19:00, Fri., 29 Apr. 0.0340 0.0297 0.0316
17:01-18:00, Fri., 29 Apr. 0.0336 0.0291 0.0316
16:01-17:00, Fri., 29 Apr. 0.0334 0.0301 0.0316
15:01-16:00, Fri., 29 Apr. 0.0346 0.0299 0.0317
14:01-15:00, Fri., 29 Apr. 0.0341 0.0297 0.0318
13:01-14:00, Fri., 29 Apr. 0.0335 0.0297 0.0317
12:01-13:00, Fri., 29 Apr. 0.0345 0.0294 0.0318
11:01-12:00, Fri., 29 Apr. 0.0342 0.0298 0.0319
10:01-11:00, Fri., 29 Apr. 0.0348 0.0288 0.0318
09:01-10:00, Fri., 29 Apr. 0.0341 0.0304 0.0319
08:01-09:00, Fri., 29 Apr. 0.0340 0.0295 0.0318
07:01-08:00, Fri., 29 Apr. 0.0340 0.0303 0.0320
06:01-07:00, Fri., 29 Apr. 0.0335 0.0293 0.0316
05:01-06:00, Fri., 29 Apr. 0.0354 0.0300 0.0319
04:01-05:00, Fri., 29 Apr. 0.0343 0.0305 0.0319
03:01-04:00, Fri., 29 Apr. 0.0339 0.0295 0.0318
02:01-03:00, Fri., 29 Apr. 0.0340 0.0306 0.0324
01:01-02:00, Fri., 29 Apr. 0.0348 0.0301 0.0323
00:01-01:00, Fri., 29 Apr. 0.0358 0.0306 0.0327
23:01-24:00, Thu., 28 Apr. 0.0359 0.0310 0.0332
22:01-23:00, Thu., 28 Apr. 0.0359 0.0316 0.0335
21:01-22:00, Thu., 28 Apr. 0.0351 0.0305 0.0333
20:01-21:00, Thu., 28 Apr. 0.0353 0.0306 0.0330
19:01-20:00, Thu., 28 Apr. 0.0355 0.0309 0.0332
18:01-19:00, Thu., 28 Apr. 0.0346 0.0301 0.0325
17:01-18:00, Thu., 28 Apr. 0.0349 0.0304 0.0327
16:01-17:00, Thu., 28 Apr. 0.0366 0.0311 0.0336
15:01-16:00, Thu., 28 Apr. 0.0354 0.0305 0.0335
14:01-15:00, Thu., 28 Apr. 0.0361 0.0319 0.0344
13:01-14:00, Thu., 28 Apr. 0.0368 0.0333 0.0350
12:01-13:00, Thu., 28 Apr. 0.0383 0.0333 0.0354
11:01-12:00, Thu., 28 Apr. 0.0379 0.0330 0.0350
10:01-11:00, Thu., 28 Apr. 0.0393 0.0341 0.0364
09:01-10:00, Thu., 28 Apr. 0.0386 0.0346 0.0365
08:01-09:00, Thu., 28 Apr. 0.0387 0.0348 0.0367
07:01-08:00, Thu., 28 Apr. 0.0372 0.0337 0.0352
06:01-07:00, Thu., 28 Apr. 0.0371 0.0336 0.0354
05:01-06:00, Thu., 28 Apr. 0.0370 0.0320 0.0346
04:01-05:00, Thu., 28 Apr. 0.0346 0.0305 0.0327
03:01-04:00, Thu., 28 Apr. 0.0344 0.0307 0.0324
02:01-03:00, Thu., 28 Apr. 0.0345 0.0303 0.0323
01:01-02:00, Thu., 28 Apr. 0.0344 0.0308 0.0328
00:01-01:00, Thu., 28 Apr. 0.0347 0.0306 0.0328
23:01-24:00, Wed., 27 Apr. 0.0358 0.0319 0.0337
22:01-23:00, Wed., 27 Apr. 0.0357 0.0307 0.0334
21:01-22:00, Wed., 27 Apr. 0.0344 0.0294 0.0320
20:01-21:00, Wed., 27 Apr. 0.0341 0.0293 0.0317
19:01-20:00, Wed., 27 Apr. 0.0339 0.0296 0.0317
18:01-19:00, Wed., 27 Apr. 0.0335 0.0299 0.0318
17:01-18:00, Wed., 27 Apr. 0.0335 0.0289 0.0316
16:01-17:00, Wed., 27 Apr. 0.0342 0.0293 0.0317
15:01-16:00, Wed., 27 Apr. 0.0345 0.0299 0.0317
14:01-15:00, Wed., 27 Apr. 0.0334 0.0292 0.0315
13:01-14:00, Wed., 27 Apr. 0.0337 0.0296 0.0315
12:01-13:00, Wed., 27 Apr. 0.0343 0.0298 0.0318
11:01-12:00, Wed., 27 Apr. 0.0341 0.0296 0.0318
10:01-11:00, Wed., 27 Apr. 0.0343 0.0297 0.0320
09:01-10:00, Wed., 27 Apr. 0.0334 0.0295 0.0316
08:01-09:00, Wed., 27 Apr. 0.0347 0.0302 0.0319
07:01-08:00, Wed., 27 Apr. 0.0338 0.0301 0.0316
06:01-07:00, Wed., 27 Apr. 0.0336 0.0300 0.0318
05:01-06:00, Wed., 27 Apr. 0.0332 0.0294 0.0316
04:01-05:00, Wed., 27 Apr. 0.0345 0.0298 0.0316
03:01-04:00, Wed., 27 Apr. 0.0339 0.0296 0.0315
02:01-03:00, Wed., 27 Apr. 0.0344 0.0293 0.0315
01:01-02:00, Wed., 27 Apr. 0.0332 0.0291 0.0314
00:01-01:00, Wed., 27 Apr. 0.0332 0.0293 0.0314
23:01-24:00, Tue., 26 Apr. 0.0335 0.0294 0.0315
22:01-23:00, Tue., 26 Apr. 0.0344 0.0296 0.0314
21:01-22:00, Tue., 26 Apr. 0.0331 0.0297 0.0314
20:01-21:00, Tue., 26 Apr. 0.0334 0.0293 0.0314
19:01-20:00, Tue., 26 Apr. 0.0337 0.0293 0.0314
18:01-19:00, Tue., 26 Apr. 0.0338 0.0295 0.0317
17:01-18:00, Tue., 26 Apr. 0.0339 0.0299 0.0315
16:01-17:00, Tue., 26 Apr. 0.0334 0.0302 0.0318
15:01-16:00, Tue., 26 Apr. 0.0332 0.0295 0.0317
14:01-15:00, Tue., 26 Apr. 0.0338 0.0294 0.0317
13:01-14:00, Tue., 26 Apr. 0.0340 0.0298 0.0319
12:01-13:00, Tue., 26 Apr. 0.0344 0.0297 0.0320
11:01-12:00, Tue., 26 Apr. 0.0336 0.0301 0.0318
10:01-11:00, Tue., 26 Apr. 0.0336 0.0298 0.0317
09:01-10:00, Tue., 26 Apr. 0.0346 0.0305 0.0321
08:01-09:00, Tue., 26 Apr. 0.0348 0.0307 0.0324
07:01-08:00, Tue., 26 Apr. 0.0345 0.0307 0.0326
06:01-07:00, Tue., 26 Apr. 0.0349 0.0297 0.0324
05:01-06:00, Tue., 26 Apr. 0.0346 0.0305 0.0321
04:01-05:00, Tue., 26 Apr. 0.0340 0.0304 0.0321
03:01-04:00, Tue., 26 Apr. 0.0339 0.0300 0.0317
02:01-03:00, Tue., 26 Apr. 0.0334 0.0298 0.0316
01:01-02:00, Tue., 26 Apr. 0.0332 0.0295 0.0315
00:01-01:00, Tue., 26 Apr. 0.0338 0.0290 0.0314
23:01-24:00, Mon., 25 Apr. 0.0335 0.0296 0.0318
22:01-23:00, Mon., 25 Apr. 0.0329 0.0289 0.0315
21:01-22:00, Mon., 25 Apr. 0.0334 0.0298 0.0316
20:01-21:00, Mon., 25 Apr. 0.0330 0.0295 0.0316
19:01-20:00, Mon., 25 Apr. 0.0336 0.0295 0.0316
18:01-19:00, Mon., 25 Apr. 0.0336 0.0292 0.0315
17:01-18:00, Mon., 25 Apr. 0.0344 0.0302 0.0317
16:01-17:00, Mon., 25 Apr. 0.0330 0.0300 0.0317
15:01-16:00, Mon., 25 Apr. 0.0333 0.0296 0.0319
14:01-15:00, Mon., 25 Apr. 0.0336 0.0301 0.0320
13:01-14:00, Mon., 25 Apr. 0.0344 0.0301 0.0318
12:01-13:00, Mon., 25 Apr. 0.0335 0.0300 0.0318
11:01-12:00, Mon., 25 Apr. 0.0337 0.0299 0.0318
10:01-11:00, Mon., 25 Apr. 0.0338 0.0298 0.0317
09:01-10:00, Mon., 25 Apr. 0.0344 0.0295 0.0322
08:01-09:00, Mon., 25 Apr. 0.0349 0.0303 0.0320
07:01-08:00, Mon., 25 Apr. 0.0340 0.0299 0.0319
06:01-07:00, Mon., 25 Apr. 0.0339 0.0292 0.0316
05:01-06:00, Mon., 25 Apr. 0.0337 0.0292 0.0318
04:01-05:00, Mon., 25 Apr. 0.0334 0.0302 0.0315
03:01-04:00, Mon., 25 Apr. 0.0345 0.0293 0.0319
02:01-03:00, Mon., 25 Apr. 0.0337 0.0303 0.0320
01:01-02:00, Mon., 25 Apr. 0.0333 0.0295 0.0318
00:01-01:00, Mon., 25 Apr. 0.0336 0.0298 0.0318