Measurement results by the hour (Chofu) 11 Sep., 2017 - 17 Sep., 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., 17 Sep. 0.0311 0.0267 0.0288
22:01-23:00, Sun., 17 Sep. 0.0307 0.0274 0.0289
21:01-22:00, Sun., 17 Sep. 0.0320 0.0284 0.0302
20:01-21:00, Sun., 17 Sep. 0.0341 0.0297 0.0317
19:01-20:00, Sun., 17 Sep. 0.0355 0.0312 0.0332
18:01-19:00, Sun., 17 Sep. 0.0375 0.0328 0.0352
17:01-18:00, Sun., 17 Sep. 0.0382 0.0337 0.0358
16:01-17:00, Sun., 17 Sep. 0.0393 0.0339 0.0363
15:01-16:00, Sun., 17 Sep. 0.0408 0.0345 0.0369
14:01-15:00, Sun., 17 Sep. 0.0424 0.0358 0.0374
13:01-14:00, Sun., 17 Sep. 0.0417 0.0358 0.0388
12:01-13:00, Sun., 17 Sep. 0.0395 0.0306 0.0343
11:01-12:00, Sun., 17 Sep. 0.0360 0.0319 0.0341
10:01-11:00, Sun., 17 Sep. 0.0422 0.0347 0.0375
09:01-10:00, Sun., 17 Sep. 0.0453 0.0358 0.0401
08:01-09:00, Sun., 17 Sep. 0.0405 0.0344 0.0365
07:01-08:00, Sun., 17 Sep. 0.0372 0.0324 0.0348
06:01-07:00, Sun., 17 Sep. 0.0425 0.0351 0.0376
05:01-06:00, Sun., 17 Sep. 0.0417 0.0354 0.0375
04:01-05:00, Sun., 17 Sep. 0.0403 0.0344 0.0368
03:01-04:00, Sun., 17 Sep. 0.0398 0.0324 0.0361
02:01-03:00, Sun., 17 Sep. 0.0406 0.0339 0.0371
01:01-02:00, Sun., 17 Sep. 0.0383 0.0323 0.0352
00:01-01:00, Sun., 17 Sep. 0.0360 0.0326 0.0343
23:01-24:00, Sat., 16 Sep. 0.0354 0.0318 0.0337
22:01-23:00, Sat., 16 Sep. 0.0360 0.0314 0.0336
21:01-22:00, Sat., 16 Sep. 0.0355 0.0309 0.0335
20:01-21:00, Sat., 16 Sep. 0.0370 0.0329 0.0348
19:01-20:00, Sat., 16 Sep. 0.0367 0.0327 0.0347
18:01-19:00, Sat., 16 Sep. 0.0359 0.0312 0.0333
17:01-18:00, Sat., 16 Sep. 0.0354 0.0311 0.0333
16:01-17:00, Sat., 16 Sep. 0.0341 0.0298 0.0317
15:01-16:00, Sat., 16 Sep. 0.0329 0.0276 0.0300
14:01-15:00, Sat., 16 Sep. 0.0317 0.0287 0.0300
13:01-14:00, Sat., 16 Sep. 0.0321 0.0285 0.0302
12:01-13:00, Sat., 16 Sep. 0.0339 0.0283 0.0312
11:01-12:00, Sat., 16 Sep. 0.0311 0.0276 0.0294
10:01-11:00, Sat., 16 Sep. 0.0328 0.0278 0.0298
09:01-10:00, Sat., 16 Sep. 0.0312 0.0279 0.0294
08:01-09:00, Sat., 16 Sep. 0.0314 0.0273 0.0291
07:01-08:00, Sat., 16 Sep. 0.0316 0.0270 0.0291
06:01-07:00, Sat., 16 Sep. 0.0319 0.0273 0.0291
05:01-06:00, Sat., 16 Sep. 0.0313 0.0264 0.0290
04:01-05:00, Sat., 16 Sep. 0.0311 0.0272 0.0294
03:01-04:00, Sat., 16 Sep. 0.0322 0.0275 0.0300
02:01-03:00, Sat., 16 Sep. 0.0324 0.0284 0.0302
01:01-02:00, Sat., 16 Sep. 0.0315 0.0278 0.0298
00:01-01:00, Sat., 16 Sep. 0.0313 0.0279 0.0295
23:01-24:00, Fri., 15 Sep. 0.0312 0.0278 0.0296
22:01-23:00, Fri., 15 Sep. 0.0312 0.0275 0.0294
21:01-22:00, Fri., 15 Sep. 0.0316 0.0273 0.0292
20:01-21:00, Fri., 15 Sep. 0.0317 0.0279 0.0295
19:01-20:00, Fri., 15 Sep. 0.0317 0.0274 0.0294
18:01-19:00, Fri., 15 Sep. 0.0310 0.0270 0.0292
17:01-18:00, Fri., 15 Sep. 0.0310 0.0275 0.0294
16:01-17:00, Fri., 15 Sep. 0.0311 0.0269 0.0291
15:01-16:00, Fri., 15 Sep. 0.0309 0.0267 0.0290
14:01-15:00, Fri., 15 Sep. 0.0320 0.0267 0.0292
13:01-14:00, Fri., 15 Sep. 0.0310 0.0263 0.0292
12:01-13:00, Fri., 15 Sep. 0.0315 0.0275 0.0294
11:01-12:00, Fri., 15 Sep. 0.0311 0.0278 0.0294
10:01-11:00, Fri., 15 Sep. 0.0313 0.0277 0.0297
09:01-10:00, Fri., 15 Sep. 0.0319 0.0272 0.0294
08:01-09:00, Fri., 15 Sep. 0.0316 0.0275 0.0293
07:01-08:00, Fri., 15 Sep. 0.0307 0.0274 0.0291
06:01-07:00, Fri., 15 Sep. 0.0313 0.0263 0.0291
05:01-06:00, Fri., 15 Sep. 0.0318 0.0270 0.0293
04:01-05:00, Fri., 15 Sep. 0.0307 0.0274 0.0289
03:01-04:00, Fri., 15 Sep. 0.0305 0.0266 0.0289
02:01-03:00, Fri., 15 Sep. 0.0308 0.0267 0.0288
01:01-02:00, Fri., 15 Sep. 0.0307 0.0266 0.0288
00:01-01:00, Fri., 15 Sep. 0.0311 0.0269 0.0293
23:01-24:00, Thu., 14 Sep. 0.0339 0.0285 0.0309
22:01-23:00, Thu., 14 Sep. 0.0387 0.0316 0.0351
21:01-22:00, Thu., 14 Sep. 0.0372 0.0274 0.0303
20:01-21:00, Thu., 14 Sep. 0.0319 0.0275 0.0293
19:01-20:00, Thu., 14 Sep. 0.0319 0.0276 0.0296
18:01-19:00, Thu., 14 Sep. 0.0315 0.0274 0.0294
17:01-18:00, Thu., 14 Sep. 0.0314 0.0274 0.0293
16:01-17:00, Thu., 14 Sep. 0.0316 0.0262 0.0294
15:01-16:00, Thu., 14 Sep. 0.0318 0.0271 0.0293
14:01-15:00, Thu., 14 Sep. 0.0321 0.0281 0.0294
13:01-14:00, Thu., 14 Sep. 0.0323 0.0269 0.0293
12:01-13:00, Thu., 14 Sep. 0.0320 0.0277 0.0294
11:01-12:00, Thu., 14 Sep. 0.0310 0.0277 0.0295
10:01-11:00, Thu., 14 Sep. 0.0320 0.0274 0.0299
09:01-10:00, Thu., 14 Sep. 0.0322 0.0285 0.0303
08:01-09:00, Thu., 14 Sep. 0.0321 0.0279 0.0298
07:01-08:00, Thu., 14 Sep. 0.0317 0.0286 0.0302
06:01-07:00, Thu., 14 Sep. 0.0320 0.0279 0.0298
05:01-06:00, Thu., 14 Sep. 0.0310 0.0272 0.0294
04:01-05:00, Thu., 14 Sep. 0.0314 0.0274 0.0294
03:01-04:00, Thu., 14 Sep. 0.0311 0.0271 0.0292
02:01-03:00, Thu., 14 Sep. 0.0310 0.0276 0.0294
01:01-02:00, Thu., 14 Sep. 0.0312 0.0281 0.0296
00:01-01:00, Thu., 14 Sep. 0.0324 0.0277 0.0294
23:01-24:00, Wed., 13 Sep. 0.0305 0.0268 0.0292
22:01-23:00, Wed., 13 Sep. 0.0315 0.0276 0.0291
21:01-22:00, Wed., 13 Sep. 0.0315 0.0272 0.0292
20:01-21:00, Wed., 13 Sep. 0.0316 0.0274 0.0295
19:01-20:00, Wed., 13 Sep. 0.0308 0.0271 0.0292
18:01-19:00, Wed., 13 Sep. 0.0312 0.0269 0.0292
17:01-18:00, Wed., 13 Sep. 0.0316 0.0270 0.0292
16:01-17:00, Wed., 13 Sep. 0.0331 0.0279 0.0296
15:01-16:00, Wed., 13 Sep. 0.0316 0.0272 0.0294
14:01-15:00, Wed., 13 Sep. 0.0307 0.0273 0.0291
13:01-14:00, Wed., 13 Sep. 0.0309 0.0275 0.0292
12:01-13:00, Wed., 13 Sep. 0.0311 0.0273 0.0290
11:01-12:00, Wed., 13 Sep. 0.0321 0.0272 0.0292
10:01-11:00, Wed., 13 Sep. 0.0310 0.0273 0.0293
09:01-10:00, Wed., 13 Sep. 0.0316 0.0275 0.0295
08:01-09:00, Wed., 13 Sep. 0.0317 0.0272 0.0295
07:01-08:00, Wed., 13 Sep. 0.0314 0.0278 0.0297
06:01-07:00, Wed., 13 Sep. 0.0323 0.0277 0.0303
05:01-06:00, Wed., 13 Sep. 0.0343 0.0288 0.0314
04:01-05:00, Wed., 13 Sep. 0.0336 0.0296 0.0319
03:01-04:00, Wed., 13 Sep. 0.0342 0.0297 0.0318
02:01-03:00, Wed., 13 Sep. 0.0343 0.0297 0.0320
01:01-02:00, Wed., 13 Sep. 0.0331 0.0292 0.0311
00:01-01:00, Wed., 13 Sep. 0.0321 0.0285 0.0305
23:01-24:00, Tue., 12 Sep. 0.0317 0.0273 0.0295
22:01-23:00, Tue., 12 Sep. 0.0311 0.0271 0.0290
21:01-22:00, Tue., 12 Sep. 0.0309 0.0274 0.0292
20:01-21:00, Tue., 12 Sep. 0.0313 0.0275 0.0294
19:01-20:00, Tue., 12 Sep. 0.0321 0.0271 0.0296
18:01-19:00, Tue., 12 Sep. 0.0318 0.0284 0.0302
17:01-18:00, Tue., 12 Sep. 0.0313 0.0272 0.0289
16:01-17:00, Tue., 12 Sep. 0.0317 0.0276 0.0294
15:01-16:00, Tue., 12 Sep. 0.0324 0.0264 0.0300
14:01-15:00, Tue., 12 Sep. 0.0350 0.0294 0.0324
13:01-14:00, Tue., 12 Sep. 0.0358 0.0309 0.0338
12:01-13:00, Tue., 12 Sep. 0.0410 0.0323 0.0359
11:01-12:00, Tue., 12 Sep. 0.0476 0.0367 0.0434
10:01-11:00, Tue., 12 Sep. 0.0448 0.0307 0.0357
09:01-10:00, Tue., 12 Sep. 0.0321 0.0267 0.0291
08:01-09:00, Tue., 12 Sep. 0.0300 0.0271 0.0286
07:01-08:00, Tue., 12 Sep. 0.0297 0.0264 0.0284
06:01-07:00, Tue., 12 Sep. 0.0300 0.0263 0.0282
05:01-06:00, Tue., 12 Sep. 0.0313 0.0268 0.0283
04:01-05:00, Tue., 12 Sep. 0.0305 0.0270 0.0286
03:01-04:00, Tue., 12 Sep. 0.0321 0.0278 0.0295
02:01-03:00, Tue., 12 Sep. 0.0364 0.0294 0.0324
01:01-02:00, Tue., 12 Sep. 0.0383 0.0301 0.0342
00:01-01:00, Tue., 12 Sep. 0.0328 0.0283 0.0301
23:01-24:00, Mon., 11 Sep. 0.0330 0.0285 0.0304
22:01-23:00, Mon., 11 Sep. 0.0316 0.0283 0.0298
21:01-22:00, Mon., 11 Sep. 0.0306 0.0272 0.0288
20:01-21:00, Mon., 11 Sep. 0.0307 0.0266 0.0285
19:01-20:00, Mon., 11 Sep. 0.0300 0.0268 0.0287
18:01-19:00, Mon., 11 Sep. 0.0311 0.0269 0.0289
17:01-18:00, Mon., 11 Sep. 0.0304 0.0266 0.0287
16:01-17:00, Mon., 11 Sep. 0.0305 0.0271 0.0286
15:01-16:00, Mon., 11 Sep. 0.0304 0.0265 0.0286
14:01-15:00, Mon., 11 Sep. 0.0307 0.0265 0.0283
13:01-14:00, Mon., 11 Sep. 0.0308 0.0264 0.0288
12:01-13:00, Mon., 11 Sep. 0.0308 0.0270 0.0287
11:01-12:00, Mon., 11 Sep. 0.0315 0.0272 0.0287
10:01-11:00, Mon., 11 Sep. 0.0318 0.0270 0.0288
09:01-10:00, Mon., 11 Sep. 0.0306 0.0274 0.0289
08:01-09:00, Mon., 11 Sep. 0.0323 0.0276 0.0298
07:01-08:00, Mon., 11 Sep. 0.0333 0.0288 0.0310
06:01-07:00, Mon., 11 Sep. 0.0329 0.0290 0.0311
05:01-06:00, Mon., 11 Sep. 0.0328 0.0289 0.0308
04:01-05:00, Mon., 11 Sep. 0.0325 0.0285 0.0305
03:01-04:00, Mon., 11 Sep. 0.0316 0.0282 0.0296
02:01-03:00, Mon., 11 Sep. 0.0315 0.0264 0.0294
01:01-02:00, Mon., 11 Sep. 0.0310 0.0277 0.0294
00:01-01:00, Mon., 11 Sep. 0.0304 0.0267 0.0289