Measurement results by the hour (Chofu) 10 Apr., 2017 - 16 Apr., 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., 16 Apr. 0.0323 0.0273 0.0300
22:01-23:00, Sun., 16 Apr. 0.0321 0.0272 0.0297
21:01-22:00, Sun., 16 Apr. 0.0324 0.0276 0.0295
20:01-21:00, Sun., 16 Apr. 0.0320 0.0274 0.0296
19:01-20:00, Sun., 16 Apr. 0.0317 0.0270 0.0293
18:01-19:00, Sun., 16 Apr. 0.0315 0.0272 0.0291
17:01-18:00, Sun., 16 Apr. 0.0312 0.0268 0.0289
16:01-17:00, Sun., 16 Apr. 0.0308 0.0276 0.0292
15:01-16:00, Sun., 16 Apr. 0.0311 0.0279 0.0293
14:01-15:00, Sun., 16 Apr. 0.0305 0.0274 0.0289
13:01-14:00, Sun., 16 Apr. 0.0308 0.0268 0.0287
12:01-13:00, Sun., 16 Apr. 0.0307 0.0265 0.0288
11:01-12:00, Sun., 16 Apr. 0.0308 0.0268 0.0288
10:01-11:00, Sun., 16 Apr. 0.0306 0.0270 0.0288
09:01-10:00, Sun., 16 Apr. 0.0312 0.0280 0.0296
08:01-09:00, Sun., 16 Apr. 0.0323 0.0270 0.0298
07:01-08:00, Sun., 16 Apr. 0.0323 0.0287 0.0306
06:01-07:00, Sun., 16 Apr. 0.0324 0.0287 0.0307
05:01-06:00, Sun., 16 Apr. 0.0326 0.0286 0.0305
04:01-05:00, Sun., 16 Apr. 0.0332 0.0275 0.0302
03:01-04:00, Sun., 16 Apr. 0.0335 0.0286 0.0306
02:01-03:00, Sun., 16 Apr. 0.0321 0.0282 0.0303
01:01-02:00, Sun., 16 Apr. 0.0315 0.0279 0.0295
00:01-01:00, Sun., 16 Apr. 0.0320 0.0276 0.0295
23:01-24:00, Sat., 15 Apr. 0.0308 0.0265 0.0288
22:01-23:00, Sat., 15 Apr. 0.0309 0.0267 0.0289
21:01-22:00, Sat., 15 Apr. 0.0312 0.0261 0.0288
20:01-21:00, Sat., 15 Apr. 0.0310 0.0270 0.0289
19:01-20:00, Sat., 15 Apr. 0.0307 0.0264 0.0288
18:01-19:00, Sat., 15 Apr. 0.0306 0.0270 0.0286
17:01-18:00, Sat., 15 Apr. 0.0308 0.0266 0.0289
16:01-17:00, Sat., 15 Apr. 0.0311 0.0271 0.0292
15:01-16:00, Sat., 15 Apr. 0.0323 0.0285 0.0303
14:01-15:00, Sat., 15 Apr. 0.0329 0.0272 0.0300
13:01-14:00, Sat., 15 Apr. 0.0309 0.0270 0.0288
12:01-13:00, Sat., 15 Apr. 0.0306 0.0269 0.0285
11:01-12:00, Sat., 15 Apr. 0.0318 0.0262 0.0285
10:01-11:00, Sat., 15 Apr. 0.0313 0.0265 0.0286
09:01-10:00, Sat., 15 Apr. 0.0304 0.0269 0.0287
08:01-09:00, Sat., 15 Apr. 0.0305 0.0271 0.0287
07:01-08:00, Sat., 15 Apr. 0.0303 0.0274 0.0286
06:01-07:00, Sat., 15 Apr. 0.0310 0.0268 0.0287
05:01-06:00, Sat., 15 Apr. 0.0304 0.0264 0.0286
04:01-05:00, Sat., 15 Apr. 0.0301 0.0269 0.0286
03:01-04:00, Sat., 15 Apr. 0.0303 0.0265 0.0287
02:01-03:00, Sat., 15 Apr. 0.0310 0.0271 0.0288
01:01-02:00, Sat., 15 Apr. 0.0305 0.0271 0.0286
00:01-01:00, Sat., 15 Apr. 0.0309 0.0269 0.0287
23:01-24:00, Fri., 14 Apr. 0.0306 0.0265 0.0289
22:01-23:00, Fri., 14 Apr. 0.0311 0.0270 0.0289
21:01-22:00, Fri., 14 Apr. 0.0314 0.0266 0.0288
20:01-21:00, Fri., 14 Apr. 0.0318 0.0273 0.0291
19:01-20:00, Fri., 14 Apr. 0.0314 0.0269 0.0290
18:01-19:00, Fri., 14 Apr. 0.0305 0.0272 0.0286
17:01-18:00, Fri., 14 Apr. 0.0306 0.0265 0.0288
16:01-17:00, Fri., 14 Apr. 0.0307 0.0270 0.0287
15:01-16:00, Fri., 14 Apr. 0.0303 0.0266 0.0288
14:01-15:00, Fri., 14 Apr. 0.0308 0.0265 0.0289
13:01-14:00, Fri., 14 Apr. 0.0312 0.0271 0.0287
12:01-13:00, Fri., 14 Apr. 0.0307 0.0266 0.0285
11:01-12:00, Fri., 14 Apr. 0.0309 0.0263 0.0289
10:01-11:00, Fri., 14 Apr. 0.0307 0.0270 0.0289
09:01-10:00, Fri., 14 Apr. 0.0311 0.0270 0.0289
08:01-09:00, Fri., 14 Apr. 0.0317 0.0284 0.0301
07:01-08:00, Fri., 14 Apr. 0.0319 0.0290 0.0306
06:01-07:00, Fri., 14 Apr. 0.0329 0.0286 0.0310
05:01-06:00, Fri., 14 Apr. 0.0325 0.0279 0.0307
04:01-05:00, Fri., 14 Apr. 0.0323 0.0280 0.0299
03:01-04:00, Fri., 14 Apr. 0.0313 0.0277 0.0297
02:01-03:00, Fri., 14 Apr. 0.0316 0.0276 0.0294
01:01-02:00, Fri., 14 Apr. 0.0313 0.0271 0.0290
00:01-01:00, Fri., 14 Apr. 0.0308 0.0269 0.0288
23:01-24:00, Thu., 13 Apr. 0.0315 0.0272 0.0291
22:01-23:00, Thu., 13 Apr. 0.0307 0.0272 0.0289
21:01-22:00, Thu., 13 Apr. 0.0306 0.0267 0.0287
20:01-21:00, Thu., 13 Apr. 0.0305 0.0266 0.0284
19:01-20:00, Thu., 13 Apr. 0.0299 0.0265 0.0283
18:01-19:00, Thu., 13 Apr. 0.0302 0.0265 0.0284
17:01-18:00, Thu., 13 Apr. 0.0307 0.0253 0.0284
16:01-17:00, Thu., 13 Apr. 0.0301 0.0266 0.0285
15:01-16:00, Thu., 13 Apr. 0.0310 0.0271 0.0286
14:01-15:00, Thu., 13 Apr. 0.0307 0.0260 0.0285
13:01-14:00, Thu., 13 Apr. 0.0304 0.0268 0.0283
12:01-13:00, Thu., 13 Apr. 0.0298 0.0265 0.0284
11:01-12:00, Thu., 13 Apr. 0.0300 0.0269 0.0286
10:01-11:00, Thu., 13 Apr. 0.0300 0.0260 0.0285
09:01-10:00, Thu., 13 Apr. 0.0299 0.0259 0.0285
08:01-09:00, Thu., 13 Apr. 0.0299 0.0264 0.0285
07:01-08:00, Thu., 13 Apr. 0.0305 0.0264 0.0286
06:01-07:00, Thu., 13 Apr. 0.0300 0.0263 0.0286
05:01-06:00, Thu., 13 Apr. 0.0305 0.0257 0.0286
04:01-05:00, Thu., 13 Apr. 0.0308 0.0276 0.0288
03:01-04:00, Thu., 13 Apr. 0.0315 0.0271 0.0293
02:01-03:00, Thu., 13 Apr. 0.0307 0.0261 0.0289
01:01-02:00, Thu., 13 Apr. 0.0315 0.0262 0.0288
00:01-01:00, Thu., 13 Apr. 0.0319 0.0275 0.0295
23:01-24:00, Wed., 12 Apr. 0.0356 0.0287 0.0322
22:01-23:00, Wed., 12 Apr. 0.0423 0.0323 0.0370
21:01-22:00, Wed., 12 Apr. 0.0445 0.0316 0.0370
20:01-21:00, Wed., 12 Apr. 0.0319 0.0267 0.0288
19:01-20:00, Wed., 12 Apr. 0.0297 0.0266 0.0284
18:01-19:00, Wed., 12 Apr. 0.0304 0.0264 0.0280
17:01-18:00, Wed., 12 Apr. 0.0305 0.0261 0.0283
16:01-17:00, Wed., 12 Apr. 0.0306 0.0267 0.0283
15:01-16:00, Wed., 12 Apr. 0.0305 0.0261 0.0282
14:01-15:00, Wed., 12 Apr. 0.0295 0.0264 0.0281
13:01-14:00, Wed., 12 Apr. 0.0301 0.0268 0.0285
12:01-13:00, Wed., 12 Apr. 0.0296 0.0259 0.0282
11:01-12:00, Wed., 12 Apr. 0.0303 0.0261 0.0281
10:01-11:00, Wed., 12 Apr. 0.0301 0.0273 0.0284
09:01-10:00, Wed., 12 Apr. 0.0300 0.0267 0.0285
08:01-09:00, Wed., 12 Apr. 0.0308 0.0274 0.0292
07:01-08:00, Wed., 12 Apr. 0.0309 0.0279 0.0294
06:01-07:00, Wed., 12 Apr. 0.0315 0.0278 0.0296
05:01-06:00, Wed., 12 Apr. 0.0313 0.0276 0.0294
04:01-05:00, Wed., 12 Apr. 0.0321 0.0271 0.0294
03:01-04:00, Wed., 12 Apr. 0.0328 0.0267 0.0290
02:01-03:00, Wed., 12 Apr. 0.0313 0.0262 0.0289
01:01-02:00, Wed., 12 Apr. 0.0308 0.0270 0.0290
00:01-01:00, Wed., 12 Apr. 0.0325 0.0268 0.0290
23:01-24:00, Tue., 11 Apr. 0.0306 0.0270 0.0289
22:01-23:00, Tue., 11 Apr. 0.0309 0.0274 0.0288
21:01-22:00, Tue., 11 Apr. 0.0312 0.0273 0.0293
20:01-21:00, Tue., 11 Apr. 0.0355 0.0284 0.0317
19:01-20:00, Tue., 11 Apr. 0.0435 0.0335 0.0377
18:01-19:00, Tue., 11 Apr. 0.0545 0.0411 0.0465
17:01-18:00, Tue., 11 Apr. 0.0549 0.0450 0.0503
16:01-17:00, Tue., 11 Apr. 0.0527 0.0459 0.0489
15:01-16:00, Tue., 11 Apr. 0.0541 0.0449 0.0495
14:01-15:00, Tue., 11 Apr. 0.0541 0.0458 0.0502
13:01-14:00, Tue., 11 Apr. 0.0527 0.0448 0.0484
12:01-13:00, Tue., 11 Apr. 0.0521 0.0448 0.0480
11:01-12:00, Tue., 11 Apr. 0.0508 0.0422 0.0458
10:01-11:00, Tue., 11 Apr. 0.0476 0.0392 0.0430
09:01-10:00, Tue., 11 Apr. 0.0473 0.0375 0.0417
08:01-09:00, Tue., 11 Apr. 0.0442 0.0369 0.0406
07:01-08:00, Tue., 11 Apr. 0.0407 0.0350 0.0376
06:01-07:00, Tue., 11 Apr. 0.0358 0.0280 0.0317
05:01-06:00, Tue., 11 Apr. 0.0329 0.0284 0.0306
04:01-05:00, Tue., 11 Apr. 0.0321 0.0278 0.0300
03:01-04:00, Tue., 11 Apr. 0.0314 0.0283 0.0301
02:01-03:00, Tue., 11 Apr. 0.0317 0.0282 0.0302
01:01-02:00, Tue., 11 Apr. 0.0322 0.0276 0.0298
00:01-01:00, Tue., 11 Apr. 0.0320 0.0273 0.0294
23:01-24:00, Mon., 10 Apr. 0.0312 0.0270 0.0289
22:01-23:00, Mon., 10 Apr. 0.0303 0.0265 0.0285
21:01-22:00, Mon., 10 Apr. 0.0311 0.0261 0.0288
20:01-21:00, Mon., 10 Apr. 0.0304 0.0269 0.0286
19:01-20:00, Mon., 10 Apr. 0.0304 0.0263 0.0284
18:01-19:00, Mon., 10 Apr. 0.0302 0.0263 0.0284
17:01-18:00, Mon., 10 Apr. 0.0302 0.0270 0.0286
16:01-17:00, Mon., 10 Apr. 0.0299 0.0268 0.0282
15:01-16:00, Mon., 10 Apr. 0.0304 0.0259 0.0284
14:01-15:00, Mon., 10 Apr. 0.0306 0.0266 0.0284
13:01-14:00, Mon., 10 Apr. 0.0299 0.0266 0.0283
12:01-13:00, Mon., 10 Apr. 0.0303 0.0269 0.0287
11:01-12:00, Mon., 10 Apr. 0.0304 0.0262 0.0286
10:01-11:00, Mon., 10 Apr. 0.0312 0.0262 0.0286
09:01-10:00, Mon., 10 Apr. 0.0299 0.0270 0.0285
08:01-09:00, Mon., 10 Apr. 0.0302 0.0264 0.0289
07:01-08:00, Mon., 10 Apr. 0.0305 0.0272 0.0287
06:01-07:00, Mon., 10 Apr. 0.0307 0.0272 0.0289
05:01-06:00, Mon., 10 Apr. 0.0311 0.0270 0.0285
04:01-05:00, Mon., 10 Apr. 0.0305 0.0265 0.0286
03:01-04:00, Mon., 10 Apr. 0.0301 0.0272 0.0287
02:01-03:00, Mon., 10 Apr. 0.0301 0.0263 0.0285
01:01-02:00, Mon., 10 Apr. 0.0304 0.0270 0.0286
00:01-01:00, Mon., 10 Apr. 0.0303 0.0267 0.0288