Measurement results by the hour (Chofu) 9 Jan., 2017 - 15 Jan., 2017

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., 15 Jan. 0.0324 0.0282 0.0303
22:01-23:00, Sun., 15 Jan. 0.0318 0.0281 0.0300
21:01-22:00, Sun., 15 Jan. 0.0321 0.0279 0.0302
20:01-21:00, Sun., 15 Jan. 0.0314 0.0277 0.0296
19:01-20:00, Sun., 15 Jan. 0.0321 0.0277 0.0298
18:01-19:00, Sun., 15 Jan. 0.0316 0.0277 0.0298
17:01-18:00, Sun., 15 Jan. 0.0313 0.0277 0.0296
16:01-17:00, Sun., 15 Jan. 0.0326 0.0285 0.0300
15:01-16:00, Sun., 15 Jan. 0.0320 0.0279 0.0299
14:01-15:00, Sun., 15 Jan. 0.0316 0.0282 0.0299
13:01-14:00, Sun., 15 Jan. 0.0324 0.0280 0.0299
12:01-13:00, Sun., 15 Jan. 0.0324 0.0283 0.0304
11:01-12:00, Sun., 15 Jan. 0.0320 0.0281 0.0300
10:01-11:00, Sun., 15 Jan. 0.0321 0.0284 0.0302
09:01-10:00, Sun., 15 Jan. 0.0324 0.0277 0.0302
08:01-09:00, Sun., 15 Jan. 0.0336 0.0287 0.0308
07:01-08:00, Sun., 15 Jan. 0.0336 0.0285 0.0307
06:01-07:00, Sun., 15 Jan. 0.0321 0.0287 0.0305
05:01-06:00, Sun., 15 Jan. 0.0318 0.0276 0.0302
04:01-05:00, Sun., 15 Jan. 0.0338 0.0290 0.0304
03:01-04:00, Sun., 15 Jan. 0.0320 0.0276 0.0301
02:01-03:00, Sun., 15 Jan. 0.0327 0.0286 0.0304
01:01-02:00, Sun., 15 Jan. 0.0325 0.0286 0.0305
00:01-01:00, Sun., 15 Jan. 0.0323 0.0280 0.0303
23:01-24:00, Sat., 14 Jan. 0.0332 0.0284 0.0304
22:01-23:00, Sat., 14 Jan. 0.0317 0.0280 0.0302
21:01-22:00, Sat., 14 Jan. 0.0331 0.0279 0.0300
20:01-21:00, Sat., 14 Jan. 0.0312 0.0283 0.0299
19:01-20:00, Sat., 14 Jan. 0.0320 0.0285 0.0302
18:01-19:00, Sat., 14 Jan. 0.0316 0.0283 0.0300
17:01-18:00, Sat., 14 Jan. 0.0314 0.0283 0.0299
16:01-17:00, Sat., 14 Jan. 0.0316 0.0278 0.0300
15:01-16:00, Sat., 14 Jan. 0.0317 0.0278 0.0300
14:01-15:00, Sat., 14 Jan. 0.0319 0.0276 0.0299
13:01-14:00, Sat., 14 Jan. 0.0323 0.0283 0.0299
12:01-13:00, Sat., 14 Jan. 0.0320 0.0282 0.0298
11:01-12:00, Sat., 14 Jan. 0.0323 0.0285 0.0304
10:01-11:00, Sat., 14 Jan. 0.0329 0.0286 0.0304
09:01-10:00, Sat., 14 Jan. 0.0327 0.0283 0.0303
08:01-09:00, Sat., 14 Jan. 0.0331 0.0285 0.0305
07:01-08:00, Sat., 14 Jan. 0.0324 0.0290 0.0306
06:01-07:00, Sat., 14 Jan. 0.0321 0.0286 0.0305
05:01-06:00, Sat., 14 Jan. 0.0328 0.0280 0.0303
04:01-05:00, Sat., 14 Jan. 0.0325 0.0293 0.0306
03:01-04:00, Sat., 14 Jan. 0.0323 0.0282 0.0303
02:01-03:00, Sat., 14 Jan. 0.0324 0.0279 0.0302
01:01-02:00, Sat., 14 Jan. 0.0314 0.0287 0.0301
00:01-01:00, Sat., 14 Jan. 0.0318 0.0282 0.0301
23:01-24:00, Fri., 13 Jan. 0.0315 0.0267 0.0294
22:01-23:00, Fri., 13 Jan. 0.0314 0.0267 0.0294
21:01-22:00, Fri., 13 Jan. 0.0316 0.0274 0.0294
20:01-21:00, Fri., 13 Jan. 0.0313 0.0274 0.0296
19:01-20:00, Fri., 13 Jan. 0.0311 0.0275 0.0294
18:01-19:00, Fri., 13 Jan. 0.0314 0.0277 0.0297
17:01-18:00, Fri., 13 Jan. 0.0310 0.0272 0.0291
16:01-17:00, Fri., 13 Jan. 0.0328 0.0275 0.0299
15:01-16:00, Fri., 13 Jan. 0.0316 0.0282 0.0298
14:01-15:00, Fri., 13 Jan. 0.0313 0.0275 0.0297
13:01-14:00, Fri., 13 Jan. 0.0315 0.0278 0.0295
12:01-13:00, Fri., 13 Jan. 0.0323 0.0277 0.0298
11:01-12:00, Fri., 13 Jan. 0.0323 0.0282 0.0305
10:01-11:00, Fri., 13 Jan. 0.0330 0.0283 0.0307
09:01-10:00, Fri., 13 Jan. 0.0326 0.0291 0.0307
08:01-09:00, Fri., 13 Jan. 0.0326 0.0287 0.0307
07:01-08:00, Fri., 13 Jan. 0.0319 0.0281 0.0300
06:01-07:00, Fri., 13 Jan. 0.0319 0.0274 0.0303
05:01-06:00, Fri., 13 Jan. 0.0320 0.0278 0.0299
04:01-05:00, Fri., 13 Jan. 0.0317 0.0281 0.0301
03:01-04:00, Fri., 13 Jan. 0.0322 0.0281 0.0301
02:01-03:00, Fri., 13 Jan. 0.0332 0.0282 0.0302
01:01-02:00, Fri., 13 Jan. 0.0321 0.0281 0.0303
00:01-01:00, Fri., 13 Jan. 0.0322 0.0290 0.0302
23:01-24:00, Thu., 12 Jan. 0.0327 0.0276 0.0302
22:01-23:00, Thu., 12 Jan. 0.0322 0.0284 0.0301
21:01-22:00, Thu., 12 Jan. 0.0320 0.0285 0.0300
20:01-21:00, Thu., 12 Jan. 0.0317 0.0280 0.0299
19:01-20:00, Thu., 12 Jan. 0.0325 0.0278 0.0296
18:01-19:00, Thu., 12 Jan. 0.0320 0.0281 0.0297
17:01-18:00, Thu., 12 Jan. 0.0319 0.0277 0.0296
16:01-17:00, Thu., 12 Jan. 0.0318 0.0272 0.0297
15:01-16:00, Thu., 12 Jan. 0.0317 0.0273 0.0293
14:01-15:00, Thu., 12 Jan. 0.0311 0.0275 0.0294
13:01-14:00, Thu., 12 Jan. 0.0314 0.0270 0.0294
12:01-13:00, Thu., 12 Jan. 0.0316 0.0276 0.0295
11:01-12:00, Thu., 12 Jan. 0.0315 0.0274 0.0297
10:01-11:00, Thu., 12 Jan. 0.0327 0.0283 0.0304
09:01-10:00, Thu., 12 Jan. 0.0332 0.0296 0.0313
08:01-09:00, Thu., 12 Jan. 0.0347 0.0308 0.0324
07:01-08:00, Thu., 12 Jan. 0.0343 0.0301 0.0322
06:01-07:00, Thu., 12 Jan. 0.0333 0.0290 0.0315
05:01-06:00, Thu., 12 Jan. 0.0334 0.0294 0.0315
04:01-05:00, Thu., 12 Jan. 0.0336 0.0275 0.0308
03:01-04:00, Thu., 12 Jan. 0.0325 0.0281 0.0302
02:01-03:00, Thu., 12 Jan. 0.0320 0.0277 0.0297
01:01-02:00, Thu., 12 Jan. 0.0314 0.0275 0.0293
00:01-01:00, Thu., 12 Jan. 0.0319 0.0271 0.0294
23:01-24:00, Wed., 11 Jan. 0.0310 0.0272 0.0293
22:01-23:00, Wed., 11 Jan. 0.0318 0.0267 0.0294
21:01-22:00, Wed., 11 Jan. 0.0306 0.0273 0.0290
20:01-21:00, Wed., 11 Jan. 0.0316 0.0270 0.0292
19:01-20:00, Wed., 11 Jan. 0.0320 0.0273 0.0294
18:01-19:00, Wed., 11 Jan. 0.0310 0.0280 0.0296
17:01-18:00, Wed., 11 Jan. 0.0317 0.0276 0.0295
16:01-17:00, Wed., 11 Jan. 0.0310 0.0273 0.0294
15:01-16:00, Wed., 11 Jan. 0.0310 0.0272 0.0295
14:01-15:00, Wed., 11 Jan. 0.0310 0.0264 0.0295
13:01-14:00, Wed., 11 Jan. 0.0319 0.0278 0.0299
12:01-13:00, Wed., 11 Jan. 0.0319 0.0278 0.0300
11:01-12:00, Wed., 11 Jan. 0.0313 0.0278 0.0298
10:01-11:00, Wed., 11 Jan. 0.0315 0.0280 0.0297
09:01-10:00, Wed., 11 Jan. 0.0315 0.0267 0.0293
08:01-09:00, Wed., 11 Jan. 0.0312 0.0279 0.0294
07:01-08:00, Wed., 11 Jan. 0.0316 0.0282 0.0299
06:01-07:00, Wed., 11 Jan. 0.0321 0.0279 0.0296
05:01-06:00, Wed., 11 Jan. 0.0324 0.0282 0.0300
04:01-05:00, Wed., 11 Jan. 0.0324 0.0281 0.0297
03:01-04:00, Wed., 11 Jan. 0.0311 0.0278 0.0298
02:01-03:00, Wed., 11 Jan. 0.0323 0.0271 0.0298
01:01-02:00, Wed., 11 Jan. 0.0316 0.0283 0.0298
00:01-01:00, Wed., 11 Jan. 0.0313 0.0281 0.0299
23:01-24:00, Tue., 10 Jan. 0.0329 0.0282 0.0302
22:01-23:00, Tue., 10 Jan. 0.0322 0.0283 0.0303
21:01-22:00, Tue., 10 Jan. 0.0324 0.0278 0.0299
20:01-21:00, Tue., 10 Jan. 0.0317 0.0276 0.0294
19:01-20:00, Tue., 10 Jan. 0.0310 0.0274 0.0294
18:01-19:00, Tue., 10 Jan. 0.0313 0.0266 0.0292
17:01-18:00, Tue., 10 Jan. 0.0310 0.0279 0.0293
16:01-17:00, Tue., 10 Jan. 0.0305 0.0275 0.0293
15:01-16:00, Tue., 10 Jan. 0.0319 0.0273 0.0294
14:01-15:00, Tue., 10 Jan. 0.0322 0.0274 0.0294
13:01-14:00, Tue., 10 Jan. 0.0317 0.0275 0.0297
12:01-13:00, Tue., 10 Jan. 0.0321 0.0276 0.0298
11:01-12:00, Tue., 10 Jan. 0.0315 0.0277 0.0298
10:01-11:00, Tue., 10 Jan. 0.0314 0.0279 0.0297
09:01-10:00, Tue., 10 Jan. 0.0319 0.0283 0.0298
08:01-09:00, Tue., 10 Jan. 0.0314 0.0270 0.0297
07:01-08:00, Tue., 10 Jan. 0.0316 0.0278 0.0296
06:01-07:00, Tue., 10 Jan. 0.0317 0.0277 0.0297
05:01-06:00, Tue., 10 Jan. 0.0315 0.0278 0.0296
04:01-05:00, Tue., 10 Jan. 0.0310 0.0270 0.0294
03:01-04:00, Tue., 10 Jan. 0.0308 0.0276 0.0292
02:01-03:00, Tue., 10 Jan. 0.0314 0.0276 0.0298
01:01-02:00, Tue., 10 Jan. 0.0333 0.0284 0.0304
00:01-01:00, Tue., 10 Jan. 0.0328 0.0290 0.0310
23:01-24:00, Mon., 09 Jan. 0.0328 0.0279 0.0304
22:01-23:00, Mon., 09 Jan. 0.0317 0.0277 0.0298
21:01-22:00, Mon., 09 Jan. 0.0314 0.0269 0.0294
20:01-21:00, Mon., 09 Jan. 0.0312 0.0273 0.0293
19:01-20:00, Mon., 09 Jan. 0.0314 0.0278 0.0294
18:01-19:00, Mon., 09 Jan. 0.0312 0.0271 0.0291
17:01-18:00, Mon., 09 Jan. 0.0310 0.0269 0.0289
16:01-17:00, Mon., 09 Jan. 0.0310 0.0261 0.0290
15:01-16:00, Mon., 09 Jan. 0.0312 0.0271 0.0292
14:01-15:00, Mon., 09 Jan. 0.0308 0.0263 0.0292
13:01-14:00, Mon., 09 Jan. 0.0323 0.0274 0.0297
12:01-13:00, Mon., 09 Jan. 0.0335 0.0284 0.0308
11:01-12:00, Mon., 09 Jan. 0.0343 0.0306 0.0326
10:01-11:00, Mon., 09 Jan. 0.0340 0.0297 0.0317
09:01-10:00, Mon., 09 Jan. 0.0330 0.0289 0.0310
08:01-09:00, Mon., 09 Jan. 0.0349 0.0299 0.0325
07:01-08:00, Mon., 09 Jan. 0.0360 0.0313 0.0335
06:01-07:00, Mon., 09 Jan. 0.0367 0.0319 0.0344
05:01-06:00, Mon., 09 Jan. 0.0366 0.0329 0.0345
04:01-05:00, Mon., 09 Jan. 0.0391 0.0327 0.0355
03:01-04:00, Mon., 09 Jan. 0.0397 0.0353 0.0368
02:01-03:00, Mon., 09 Jan. 0.0405 0.0346 0.0366
01:01-02:00, Mon., 09 Jan. 0.0441 0.0361 0.0397
00:01-01:00, Mon., 09 Jan. 0.0437 0.0370 0.0400