Measurement results by the hour (Chofu) 24 Oct., 2016 - 30 Oct., 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., 30 Oct. 0.0317 0.0277 0.0298
22:01-23:00, Sun., 30 Oct. 0.0324 0.0270 0.0299
21:01-22:00, Sun., 30 Oct. 0.0324 0.0281 0.0297
20:01-21:00, Sun., 30 Oct. 0.0314 0.0276 0.0298
19:01-20:00, Sun., 30 Oct. 0.0320 0.0274 0.0295
18:01-19:00, Sun., 30 Oct. 0.0320 0.0276 0.0296
17:01-18:00, Sun., 30 Oct. 0.0312 0.0275 0.0293
16:01-17:00, Sun., 30 Oct. 0.0311 0.0278 0.0294
15:01-16:00, Sun., 30 Oct. 0.0310 0.0277 0.0295
14:01-15:00, Sun., 30 Oct. 0.0308 0.0272 0.0293
13:01-14:00, Sun., 30 Oct. 0.0313 0.0276 0.0293
12:01-13:00, Sun., 30 Oct. 0.0323 0.0278 0.0294
11:01-12:00, Sun., 30 Oct. 0.0315 0.0273 0.0291
10:01-11:00, Sun., 30 Oct. 0.0316 0.0276 0.0295
09:01-10:00, Sun., 30 Oct. 0.0313 0.0280 0.0294
08:01-09:00, Sun., 30 Oct. 0.0311 0.0276 0.0294
07:01-08:00, Sun., 30 Oct. 0.0311 0.0268 0.0294
06:01-07:00, Sun., 30 Oct. 0.0310 0.0278 0.0293
05:01-06:00, Sun., 30 Oct. 0.0316 0.0269 0.0295
04:01-05:00, Sun., 30 Oct. 0.0321 0.0282 0.0300
03:01-04:00, Sun., 30 Oct. 0.0342 0.0284 0.0316
02:01-03:00, Sun., 30 Oct. 0.0384 0.0319 0.0348
01:01-02:00, Sun., 30 Oct. 0.0425 0.0334 0.0378
00:01-01:00, Sun., 30 Oct. 0.0370 0.0283 0.0312
23:01-24:00, Sat., 29 Oct. 0.0324 0.0281 0.0305
22:01-23:00, Sat., 29 Oct. 0.0327 0.0287 0.0306
21:01-22:00, Sat., 29 Oct. 0.0322 0.0280 0.0303
20:01-21:00, Sat., 29 Oct. 0.0324 0.0280 0.0303
19:01-20:00, Sat., 29 Oct. 0.0314 0.0276 0.0297
18:01-19:00, Sat., 29 Oct. 0.0314 0.0282 0.0299
17:01-18:00, Sat., 29 Oct. 0.0325 0.0281 0.0302
16:01-17:00, Sat., 29 Oct. 0.0327 0.0274 0.0299
15:01-16:00, Sat., 29 Oct. 0.0318 0.0279 0.0297
14:01-15:00, Sat., 29 Oct. 0.0312 0.0268 0.0295
13:01-14:00, Sat., 29 Oct. 0.0313 0.0277 0.0295
12:01-13:00, Sat., 29 Oct. 0.0321 0.0271 0.0293
11:01-12:00, Sat., 29 Oct. 0.0319 0.0274 0.0298
10:01-11:00, Sat., 29 Oct. 0.0317 0.0277 0.0296
09:01-10:00, Sat., 29 Oct. 0.0312 0.0278 0.0295
08:01-09:00, Sat., 29 Oct. 0.0314 0.0276 0.0295
07:01-08:00, Sat., 29 Oct. 0.0312 0.0278 0.0294
06:01-07:00, Sat., 29 Oct. 0.0319 0.0288 0.0302
05:01-06:00, Sat., 29 Oct. 0.0343 0.0292 0.0311
04:01-05:00, Sat., 29 Oct. 0.0339 0.0297 0.0313
03:01-04:00, Sat., 29 Oct. 0.0339 0.0292 0.0311
02:01-03:00, Sat., 29 Oct. 0.0327 0.0293 0.0308
01:01-02:00, Sat., 29 Oct. 0.0324 0.0291 0.0308
00:01-01:00, Sat., 29 Oct. 0.0356 0.0296 0.0319
23:01-24:00, Fri., 28 Oct. 0.0402 0.0317 0.0354
22:01-23:00, Fri., 28 Oct. 0.0462 0.0382 0.0423
21:01-22:00, Fri., 28 Oct. 0.0475 0.0389 0.0429
20:01-21:00, Fri., 28 Oct. 0.0446 0.0368 0.0409
19:01-20:00, Fri., 28 Oct. 0.0441 0.0378 0.0409
18:01-19:00, Fri., 28 Oct. 0.0467 0.0387 0.0421
17:01-18:00, Fri., 28 Oct. 0.0498 0.0394 0.0440
16:01-17:00, Fri., 28 Oct. 0.0616 0.0491 0.0549
15:01-16:00, Fri., 28 Oct. 0.0590 0.0395 0.0487
14:01-15:00, Fri., 28 Oct. 0.0509 0.0407 0.0461
13:01-14:00, Fri., 28 Oct. 0.0489 0.0401 0.0439
12:01-13:00, Fri., 28 Oct. 0.0430 0.0296 0.0353
11:01-12:00, Fri., 28 Oct. 0.0330 0.0290 0.0311
10:01-11:00, Fri., 28 Oct. 0.0332 0.0294 0.0313
09:01-10:00, Fri., 28 Oct. 0.0331 0.0293 0.0312
08:01-09:00, Fri., 28 Oct. 0.0331 0.0290 0.0312
07:01-08:00, Fri., 28 Oct. 0.0339 0.0288 0.0312
06:01-07:00, Fri., 28 Oct. 0.0337 0.0287 0.0313
05:01-06:00, Fri., 28 Oct. 0.0339 0.0295 0.0313
04:01-05:00, Fri., 28 Oct. 0.0333 0.0285 0.0313
03:01-04:00, Fri., 28 Oct. 0.0330 0.0288 0.0309
02:01-03:00, Fri., 28 Oct. 0.0329 0.0283 0.0306
01:01-02:00, Fri., 28 Oct. 0.0326 0.0278 0.0303
00:01-01:00, Fri., 28 Oct. 0.0319 0.0282 0.0302
23:01-24:00, Thu., 27 Oct. 0.0320 0.0284 0.0302
22:01-23:00, Thu., 27 Oct. 0.0319 0.0276 0.0298
21:01-22:00, Thu., 27 Oct. 0.0336 0.0278 0.0300
20:01-21:00, Thu., 27 Oct. 0.0327 0.0274 0.0298
19:01-20:00, Thu., 27 Oct. 0.0323 0.0284 0.0300
18:01-19:00, Thu., 27 Oct. 0.0312 0.0283 0.0298
17:01-18:00, Thu., 27 Oct. 0.0334 0.0280 0.0301
16:01-17:00, Thu., 27 Oct. 0.0321 0.0278 0.0300
15:01-16:00, Thu., 27 Oct. 0.0320 0.0281 0.0302
14:01-15:00, Thu., 27 Oct. 0.0322 0.0288 0.0301
13:01-14:00, Thu., 27 Oct. 0.0321 0.0283 0.0302
12:01-13:00, Thu., 27 Oct. 0.0324 0.0290 0.0305
11:01-12:00, Thu., 27 Oct. 0.0322 0.0284 0.0302
10:01-11:00, Thu., 27 Oct. 0.0321 0.0281 0.0302
09:01-10:00, Thu., 27 Oct. 0.0325 0.0289 0.0305
08:01-09:00, Thu., 27 Oct. 0.0318 0.0284 0.0302
07:01-08:00, Thu., 27 Oct. 0.0317 0.0278 0.0298
06:01-07:00, Thu., 27 Oct. 0.0322 0.0276 0.0298
05:01-06:00, Thu., 27 Oct. 0.0318 0.0278 0.0295
04:01-05:00, Thu., 27 Oct. 0.0318 0.0280 0.0299
03:01-04:00, Thu., 27 Oct. 0.0319 0.0281 0.0299
02:01-03:00, Thu., 27 Oct. 0.0323 0.0281 0.0299
01:01-02:00, Thu., 27 Oct. 0.0322 0.0287 0.0303
00:01-01:00, Thu., 27 Oct. 0.0332 0.0281 0.0306
23:01-24:00, Wed., 26 Oct. 0.0332 0.0289 0.0313
22:01-23:00, Wed., 26 Oct. 0.0343 0.0289 0.0314
21:01-22:00, Wed., 26 Oct. 0.0341 0.0287 0.0310
20:01-21:00, Wed., 26 Oct. 0.0334 0.0285 0.0309
19:01-20:00, Wed., 26 Oct. 0.0316 0.0278 0.0300
18:01-19:00, Wed., 26 Oct. 0.0318 0.0281 0.0301
17:01-18:00, Wed., 26 Oct. 0.0317 0.0276 0.0298
16:01-17:00, Wed., 26 Oct. 0.0319 0.0275 0.0295
15:01-16:00, Wed., 26 Oct. 0.0308 0.0281 0.0296
14:01-15:00, Wed., 26 Oct. 0.0323 0.0263 0.0293
13:01-14:00, Wed., 26 Oct. 0.0327 0.0276 0.0297
12:01-13:00, Wed., 26 Oct. 0.0318 0.0282 0.0298
11:01-12:00, Wed., 26 Oct. 0.0325 0.0285 0.0304
10:01-11:00, Wed., 26 Oct. 0.0327 0.0281 0.0300
09:01-10:00, Wed., 26 Oct. 0.0333 0.0286 0.0308
08:01-09:00, Wed., 26 Oct. 0.0326 0.0292 0.0311
07:01-08:00, Wed., 26 Oct. 0.0325 0.0293 0.0309
06:01-07:00, Wed., 26 Oct. 0.0333 0.0290 0.0309
05:01-06:00, Wed., 26 Oct. 0.0329 0.0285 0.0308
04:01-05:00, Wed., 26 Oct. 0.0328 0.0292 0.0310
03:01-04:00, Wed., 26 Oct. 0.0324 0.0288 0.0308
02:01-03:00, Wed., 26 Oct. 0.0322 0.0287 0.0305
01:01-02:00, Wed., 26 Oct. 0.0325 0.0281 0.0303
00:01-01:00, Wed., 26 Oct. 0.0326 0.0288 0.0301
23:01-24:00, Tue., 25 Oct. 0.0321 0.0282 0.0302
22:01-23:00, Tue., 25 Oct. 0.0329 0.0284 0.0304
21:01-22:00, Tue., 25 Oct. 0.0320 0.0283 0.0305
20:01-21:00, Tue., 25 Oct. 0.0325 0.0283 0.0302
19:01-20:00, Tue., 25 Oct. 0.0343 0.0286 0.0318
18:01-19:00, Tue., 25 Oct. 0.0367 0.0319 0.0345
17:01-18:00, Tue., 25 Oct. 0.0403 0.0324 0.0348
16:01-17:00, Tue., 25 Oct. 0.0398 0.0319 0.0357
15:01-16:00, Tue., 25 Oct. 0.0328 0.0294 0.0311
14:01-15:00, Tue., 25 Oct. 0.0344 0.0301 0.0322
13:01-14:00, Tue., 25 Oct. 0.0371 0.0313 0.0342
12:01-13:00, Tue., 25 Oct. 0.0328 0.0287 0.0311
11:01-12:00, Tue., 25 Oct. 0.0327 0.0291 0.0309
10:01-11:00, Tue., 25 Oct. 0.0333 0.0292 0.0309
09:01-10:00, Tue., 25 Oct. 0.0333 0.0300 0.0315
08:01-09:00, Tue., 25 Oct. 0.0342 0.0300 0.0319
07:01-08:00, Tue., 25 Oct. 0.0345 0.0302 0.0318
06:01-07:00, Tue., 25 Oct. 0.0344 0.0292 0.0317
05:01-06:00, Tue., 25 Oct. 0.0328 0.0294 0.0311
04:01-05:00, Tue., 25 Oct. 0.0330 0.0293 0.0312
03:01-04:00, Tue., 25 Oct. 0.0342 0.0297 0.0315
02:01-03:00, Tue., 25 Oct. 0.0333 0.0291 0.0318
01:01-02:00, Tue., 25 Oct. 0.0342 0.0299 0.0318
00:01-01:00, Tue., 25 Oct. 0.0334 0.0281 0.0309
23:01-24:00, Mon., 24 Oct. 0.0318 0.0283 0.0297
22:01-23:00, Mon., 24 Oct. 0.0316 0.0284 0.0300
21:01-22:00, Mon., 24 Oct. 0.0322 0.0284 0.0305
20:01-21:00, Mon., 24 Oct. 0.0322 0.0270 0.0303
19:01-20:00, Mon., 24 Oct. 0.0321 0.0275 0.0301
18:01-19:00, Mon., 24 Oct. 0.0323 0.0282 0.0299
17:01-18:00, Mon., 24 Oct. 0.0309 0.0275 0.0295
16:01-17:00, Mon., 24 Oct. 0.0314 0.0272 0.0296
15:01-16:00, Mon., 24 Oct. 0.0315 0.0275 0.0295
14:01-15:00, Mon., 24 Oct. 0.0314 0.0277 0.0296
13:01-14:00, Mon., 24 Oct. 0.0313 0.0283 0.0296
12:01-13:00, Mon., 24 Oct. 0.0315 0.0277 0.0296
11:01-12:00, Mon., 24 Oct. 0.0321 0.0282 0.0300
10:01-11:00, Mon., 24 Oct. 0.0320 0.0276 0.0300
09:01-10:00, Mon., 24 Oct. 0.0315 0.0274 0.0299
08:01-09:00, Mon., 24 Oct. 0.0319 0.0279 0.0300
07:01-08:00, Mon., 24 Oct. 0.0319 0.0275 0.0299
06:01-07:00, Mon., 24 Oct. 0.0324 0.0278 0.0302
05:01-06:00, Mon., 24 Oct. 0.0326 0.0281 0.0301
04:01-05:00, Mon., 24 Oct. 0.0326 0.0280 0.0297
03:01-04:00, Mon., 24 Oct. 0.0316 0.0279 0.0296
02:01-03:00, Mon., 24 Oct. 0.0321 0.0286 0.0299
01:01-02:00, Mon., 24 Oct. 0.0326 0.0282 0.0299
00:01-01:00, Mon., 24 Oct. 0.0318 0.0280 0.0297