Measurement results by the hour (Chofu) 27 Aug., 2018 - 2 Sep., 2018

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., 02 Sep. 0.0299 0.0262 0.0281
22:01-23:00, Sun., 02 Sep. 0.0297 0.0258 0.0280
21:01-22:00, Sun., 02 Sep. 0.0299 0.0262 0.0280
20:01-21:00, Sun., 02 Sep. 0.0305 0.0254 0.0278
19:01-20:00, Sun., 02 Sep. 0.0298 0.0259 0.0279
18:01-19:00, Sun., 02 Sep. 0.0300 0.0262 0.0280
17:01-18:00, Sun., 02 Sep. 0.0304 0.0262 0.0282
16:01-17:00, Sun., 02 Sep. 0.0310 0.0271 0.0286
15:01-16:00, Sun., 02 Sep. 0.0312 0.0274 0.0293
14:01-15:00, Sun., 02 Sep. 0.0308 0.0268 0.0290
13:01-14:00, Sun., 02 Sep. 0.0332 0.0284 0.0303
12:01-13:00, Sun., 02 Sep. 0.0362 0.0295 0.0325
11:01-12:00, Sun., 02 Sep. 0.0454 0.0352 0.0400
10:01-11:00, Sun., 02 Sep. 0.0439 0.0352 0.0389
09:01-10:00, Sun., 02 Sep. 0.0461 0.0367 0.0423
08:01-09:00, Sun., 02 Sep. 0.0457 0.0318 0.0384
07:01-08:00, Sun., 02 Sep. 0.0330 0.0274 0.0290
06:01-07:00, Sun., 02 Sep. 0.0299 0.0262 0.0280
05:01-06:00, Sun., 02 Sep. 0.0306 0.0269 0.0285
04:01-05:00, Sun., 02 Sep. 0.0307 0.0270 0.0286
03:01-04:00, Sun., 02 Sep. 0.0337 0.0275 0.0301
02:01-03:00, Sun., 02 Sep. 0.0325 0.0281 0.0303
01:01-02:00, Sun., 02 Sep. 0.0310 0.0267 0.0284
00:01-01:00, Sun., 02 Sep. 0.0310 0.0257 0.0287
23:01-24:00, Sat., 01 Sep. 0.0341 0.0279 0.0304
22:01-23:00, Sat., 01 Sep. 0.0399 0.0308 0.0355
21:01-22:00, Sat., 01 Sep. 0.0397 0.0314 0.0345
20:01-21:00, Sat., 01 Sep. 0.0383 0.0274 0.0301
19:01-20:00, Sat., 01 Sep. 0.0346 0.0291 0.0316
18:01-19:00, Sat., 01 Sep. 0.0347 0.0276 0.0304
17:01-18:00, Sat., 01 Sep. 0.0313 0.0270 0.0290
16:01-17:00, Sat., 01 Sep. 0.0310 0.0273 0.0289
15:01-16:00, Sat., 01 Sep. 0.0310 0.0267 0.0290
14:01-15:00, Sat., 01 Sep. 0.0311 0.0271 0.0289
13:01-14:00, Sat., 01 Sep. 0.0305 0.0271 0.0287
12:01-13:00, Sat., 01 Sep. 0.0307 0.0268 0.0285
11:01-12:00, Sat., 01 Sep. 0.0303 0.0265 0.0283
10:01-11:00, Sat., 01 Sep. 0.0311 0.0267 0.0285
09:01-10:00, Sat., 01 Sep. 0.0300 0.0259 0.0283
08:01-09:00, Sat., 01 Sep. 0.0312 0.0259 0.0282
07:01-08:00, Sat., 01 Sep. 0.0303 0.0263 0.0284
06:01-07:00, Sat., 01 Sep. 0.0312 0.0260 0.0282
05:01-06:00, Sat., 01 Sep. 0.0316 0.0268 0.0285
04:01-05:00, Sat., 01 Sep. 0.0300 0.0263 0.0282
03:01-04:00, Sat., 01 Sep. 0.0304 0.0255 0.0285
02:01-03:00, Sat., 01 Sep. 0.0299 0.0264 0.0285
01:01-02:00, Sat., 01 Sep. 0.0308 0.0267 0.0285
00:01-01:00, Sat., 01 Sep. 0.0300 0.0262 0.0282
23:01-24:00, Fri., 31 Aug. 0.0306 0.0260 0.0281
22:01-23:00, Fri., 31 Aug. 0.0303 0.0258 0.0282
21:01-22:00, Fri., 31 Aug. 0.0304 0.0258 0.0281
20:01-21:00, Fri., 31 Aug. 0.0304 0.0264 0.0283
19:01-20:00, Fri., 31 Aug. 0.0306 0.0266 0.0287
18:01-19:00, Fri., 31 Aug. 0.0317 0.0274 0.0288
17:01-18:00, Fri., 31 Aug. 0.0325 0.0270 0.0288
16:01-17:00, Fri., 31 Aug. 0.0353 0.0286 0.0318
15:01-16:00, Fri., 31 Aug. 0.0400 0.0280 0.0349
14:01-15:00, Fri., 31 Aug. 0.0305 0.0271 0.0289
13:01-14:00, Fri., 31 Aug. 0.0307 0.0274 0.0290
12:01-13:00, Fri., 31 Aug. 0.0318 0.0266 0.0291
11:01-12:00, Fri., 31 Aug. 0.0309 0.0263 0.0288
10:01-11:00, Fri., 31 Aug. 0.0311 0.0271 0.0293
09:01-10:00, Fri., 31 Aug. 0.0316 0.0271 0.0293
08:01-09:00, Fri., 31 Aug. 0.0310 0.0271 0.0294
07:01-08:00, Fri., 31 Aug. 0.0312 0.0262 0.0292
06:01-07:00, Fri., 31 Aug. 0.0311 0.0273 0.0294
05:01-06:00, Fri., 31 Aug. 0.0315 0.0274 0.0295
04:01-05:00, Fri., 31 Aug. 0.0317 0.0272 0.0294
03:01-04:00, Fri., 31 Aug. 0.0316 0.0274 0.0294
02:01-03:00, Fri., 31 Aug. 0.0325 0.0274 0.0291
01:01-02:00, Fri., 31 Aug. 0.0320 0.0276 0.0295
00:01-01:00, Fri., 31 Aug. 0.0320 0.0274 0.0295
23:01-24:00, Thu., 30 Aug. 0.0304 0.0266 0.0288
22:01-23:00, Thu., 30 Aug. 0.0306 0.0261 0.0285
21:01-22:00, Thu., 30 Aug. 0.0302 0.0267 0.0284
20:01-21:00, Thu., 30 Aug. 0.0307 0.0269 0.0287
19:01-20:00, Thu., 30 Aug. 0.0303 0.0264 0.0283
18:01-19:00, Thu., 30 Aug. 0.0300 0.0266 0.0281
17:01-18:00, Thu., 30 Aug. 0.0315 0.0259 0.0283
16:01-17:00, Thu., 30 Aug. 0.0302 0.0266 0.0284
15:01-16:00, Thu., 30 Aug. 0.0300 0.0260 0.0283
14:01-15:00, Thu., 30 Aug. 0.0306 0.0267 0.0283
13:01-14:00, Thu., 30 Aug. 0.0305 0.0266 0.0282
12:01-13:00, Thu., 30 Aug. 0.0296 0.0258 0.0282
11:01-12:00, Thu., 30 Aug. 0.0302 0.0263 0.0284
10:01-11:00, Thu., 30 Aug. 0.0305 0.0264 0.0283
09:01-10:00, Thu., 30 Aug. 0.0305 0.0263 0.0287
08:01-09:00, Thu., 30 Aug. 0.0306 0.0266 0.0286
07:01-08:00, Thu., 30 Aug. 0.0306 0.0268 0.0286
06:01-07:00, Thu., 30 Aug. 0.0302 0.0269 0.0284
05:01-06:00, Thu., 30 Aug. 0.0300 0.0264 0.0285
04:01-05:00, Thu., 30 Aug. 0.0307 0.0262 0.0284
03:01-04:00, Thu., 30 Aug. 0.0300 0.0260 0.0283
02:01-03:00, Thu., 30 Aug. 0.0308 0.0260 0.0288
01:01-02:00, Thu., 30 Aug. 0.0324 0.0276 0.0294
00:01-01:00, Thu., 30 Aug. 0.0306 0.0267 0.0285
23:01-24:00, Wed., 29 Aug. 0.0310 0.0264 0.0284
22:01-23:00, Wed., 29 Aug. 0.0304 0.0259 0.0284
21:01-22:00, Wed., 29 Aug. 0.0306 0.0268 0.0283
20:01-21:00, Wed., 29 Aug. 0.0304 0.0266 0.0284
19:01-20:00, Wed., 29 Aug. 0.0322 0.0267 0.0285
18:01-19:00, Wed., 29 Aug. 0.0302 0.0271 0.0284
17:01-18:00, Wed., 29 Aug. 0.0302 0.0260 0.0284
16:01-17:00, Wed., 29 Aug. 0.0304 0.0266 0.0285
15:01-16:00, Wed., 29 Aug. 0.0301 0.0266 0.0284
14:01-15:00, Wed., 29 Aug. 0.0307 0.0271 0.0288
13:01-14:00, Wed., 29 Aug. 0.0309 0.0271 0.0290
12:01-13:00, Wed., 29 Aug. 0.0310 0.0274 0.0289
11:01-12:00, Wed., 29 Aug. 0.0309 0.0275 0.0290
10:01-11:00, Wed., 29 Aug. 0.0309 0.0269 0.0291
09:01-10:00, Wed., 29 Aug. 0.0305 0.0266 0.0288
08:01-09:00, Wed., 29 Aug. 0.0307 0.0271 0.0288
07:01-08:00, Wed., 29 Aug. 0.0305 0.0262 0.0285
06:01-07:00, Wed., 29 Aug. 0.0308 0.0274 0.0288
05:01-06:00, Wed., 29 Aug. 0.0306 0.0273 0.0288
04:01-05:00, Wed., 29 Aug. 0.0311 0.0268 0.0287
03:01-04:00, Wed., 29 Aug. 0.0305 0.0266 0.0286
02:01-03:00, Wed., 29 Aug. 0.0302 0.0263 0.0285
01:01-02:00, Wed., 29 Aug. 0.0309 0.0257 0.0285
00:01-01:00, Wed., 29 Aug. 0.0323 0.0267 0.0287
23:01-24:00, Tue., 28 Aug. 0.0300 0.0270 0.0285
22:01-23:00, Tue., 28 Aug. 0.0306 0.0262 0.0284
21:01-22:00, Tue., 28 Aug. 0.0307 0.0265 0.0286
20:01-21:00, Tue., 28 Aug. 0.0309 0.0261 0.0284
19:01-20:00, Tue., 28 Aug. 0.0309 0.0270 0.0287
18:01-19:00, Tue., 28 Aug. 0.0305 0.0266 0.0285
17:01-18:00, Tue., 28 Aug. 0.0310 0.0268 0.0288
16:01-17:00, Tue., 28 Aug. 0.0306 0.0266 0.0287
15:01-16:00, Tue., 28 Aug. 0.0306 0.0262 0.0288
14:01-15:00, Tue., 28 Aug. 0.0307 0.0268 0.0284
13:01-14:00, Tue., 28 Aug. 0.0301 0.0267 0.0286
12:01-13:00, Tue., 28 Aug. 0.0306 0.0271 0.0286
11:01-12:00, Tue., 28 Aug. 0.0312 0.0264 0.0287
10:01-11:00, Tue., 28 Aug. 0.0307 0.0267 0.0287
09:01-10:00, Tue., 28 Aug. 0.0304 0.0265 0.0286
08:01-09:00, Tue., 28 Aug. 0.0305 0.0267 0.0284
07:01-08:00, Tue., 28 Aug. 0.0300 0.0269 0.0285
06:01-07:00, Tue., 28 Aug. 0.0299 0.0263 0.0281
05:01-06:00, Tue., 28 Aug. 0.0305 0.0271 0.0286
04:01-05:00, Tue., 28 Aug. 0.0300 0.0263 0.0283
03:01-04:00, Tue., 28 Aug. 0.0313 0.0267 0.0287
02:01-03:00, Tue., 28 Aug. 0.0308 0.0268 0.0286
01:01-02:00, Tue., 28 Aug. 0.0325 0.0271 0.0296
00:01-01:00, Tue., 28 Aug. 0.0343 0.0291 0.0315
23:01-24:00, Mon., 27 Aug. 0.0332 0.0281 0.0304
22:01-23:00, Mon., 27 Aug. 0.0375 0.0298 0.0335
21:01-22:00, Mon., 27 Aug. 0.0498 0.0356 0.0436
20:01-21:00, Mon., 27 Aug. 0.0449 0.0366 0.0399
19:01-20:00, Mon., 27 Aug. 0.0416 0.0267 0.0306
18:01-19:00, Mon., 27 Aug. 0.0309 0.0273 0.0289
17:01-18:00, Mon., 27 Aug. 0.0311 0.0271 0.0292
16:01-17:00, Mon., 27 Aug. 0.0323 0.0279 0.0293
15:01-16:00, Mon., 27 Aug. 0.0312 0.0275 0.0293
14:01-15:00, Mon., 27 Aug. 0.0308 0.0266 0.0290
13:01-14:00, Mon., 27 Aug. 0.0321 0.0273 0.0292
12:01-13:00, Mon., 27 Aug. 0.0314 0.0263 0.0293
11:01-12:00, Mon., 27 Aug. 0.0312 0.0277 0.0295
10:01-11:00, Mon., 27 Aug. 0.0325 0.0269 0.0293
09:01-10:00, Mon., 27 Aug. 0.0316 0.0281 0.0296
08:01-09:00, Mon., 27 Aug. 0.0309 0.0277 0.0294
07:01-08:00, Mon., 27 Aug. 0.0335 0.0274 0.0302
06:01-07:00, Mon., 27 Aug. 0.0335 0.0283 0.0308
05:01-06:00, Mon., 27 Aug. 0.0339 0.0293 0.0312
04:01-05:00, Mon., 27 Aug. 0.0319 0.0267 0.0297
03:01-04:00, Mon., 27 Aug. 0.0315 0.0268 0.0292
02:01-03:00, Mon., 27 Aug. 0.0313 0.0268 0.0293
01:01-02:00, Mon., 27 Aug. 0.0321 0.0274 0.0294
00:01-01:00, Mon., 27 Aug. 0.0316 0.0277 0.0291