Measurement results by the hour (Chofu) 20 Jun., 2016 - 26 Jun., 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., 26 Jun. 0.0320 0.0282 0.0300
22:01-23:00, Sun., 26 Jun. 0.0315 0.0279 0.0298
21:01-22:00, Sun., 26 Jun. 0.0321 0.0278 0.0296
20:01-21:00, Sun., 26 Jun. 0.0314 0.0278 0.0295
19:01-20:00, Sun., 26 Jun. 0.0313 0.0276 0.0295
18:01-19:00, Sun., 26 Jun. 0.0308 0.0275 0.0296
17:01-18:00, Sun., 26 Jun. 0.0311 0.0272 0.0293
16:01-17:00, Sun., 26 Jun. 0.0309 0.0277 0.0295
15:01-16:00, Sun., 26 Jun. 0.0319 0.0273 0.0297
14:01-15:00, Sun., 26 Jun. 0.0317 0.0276 0.0298
13:01-14:00, Sun., 26 Jun. 0.0321 0.0280 0.0297
12:01-13:00, Sun., 26 Jun. 0.0324 0.0275 0.0299
11:01-12:00, Sun., 26 Jun. 0.0316 0.0278 0.0296
10:01-11:00, Sun., 26 Jun. 0.0319 0.0272 0.0296
09:01-10:00, Sun., 26 Jun. 0.0320 0.0280 0.0300
08:01-09:00, Sun., 26 Jun. 0.0314 0.0280 0.0297
07:01-08:00, Sun., 26 Jun. 0.0319 0.0273 0.0293
06:01-07:00, Sun., 26 Jun. 0.0312 0.0274 0.0293
05:01-06:00, Sun., 26 Jun. 0.0312 0.0267 0.0294
04:01-05:00, Sun., 26 Jun. 0.0314 0.0271 0.0293
03:01-04:00, Sun., 26 Jun. 0.0322 0.0275 0.0297
02:01-03:00, Sun., 26 Jun. 0.0317 0.0277 0.0299
01:01-02:00, Sun., 26 Jun. 0.0315 0.0283 0.0298
00:01-01:00, Sun., 26 Jun. 0.0306 0.0268 0.0291
23:01-24:00, Sat., 25 Jun. 0.0311 0.0270 0.0291
22:01-23:00, Sat., 25 Jun. 0.0315 0.0275 0.0293
21:01-22:00, Sat., 25 Jun. 0.0313 0.0272 0.0294
20:01-21:00, Sat., 25 Jun. 0.0306 0.0274 0.0293
19:01-20:00, Sat., 25 Jun. 0.0311 0.0278 0.0294
18:01-19:00, Sat., 25 Jun. 0.0321 0.0269 0.0294
17:01-18:00, Sat., 25 Jun. 0.0323 0.0276 0.0294
16:01-17:00, Sat., 25 Jun. 0.0311 0.0271 0.0294
15:01-16:00, Sat., 25 Jun. 0.0310 0.0279 0.0293
14:01-15:00, Sat., 25 Jun. 0.0316 0.0268 0.0293
13:01-14:00, Sat., 25 Jun. 0.0305 0.0276 0.0291
12:01-13:00, Sat., 25 Jun. 0.0313 0.0271 0.0290
11:01-12:00, Sat., 25 Jun. 0.0310 0.0269 0.0289
10:01-11:00, Sat., 25 Jun. 0.0311 0.0268 0.0289
09:01-10:00, Sat., 25 Jun. 0.0306 0.0276 0.0291
08:01-09:00, Sat., 25 Jun. 0.0313 0.0268 0.0293
07:01-08:00, Sat., 25 Jun. 0.0333 0.0283 0.0311
06:01-07:00, Sat., 25 Jun. 0.0420 0.0313 0.0361
05:01-06:00, Sat., 25 Jun. 0.0436 0.0294 0.0362
04:01-05:00, Sat., 25 Jun. 0.0302 0.0265 0.0284
03:01-04:00, Sat., 25 Jun. 0.0301 0.0261 0.0283
02:01-03:00, Sat., 25 Jun. 0.0310 0.0260 0.0285
01:01-02:00, Sat., 25 Jun. 0.0305 0.0273 0.0287
00:01-01:00, Sat., 25 Jun. 0.0311 0.0274 0.0291
23:01-24:00, Fri., 24 Jun. 0.0310 0.0278 0.0295
22:01-23:00, Fri., 24 Jun. 0.0318 0.0282 0.0301
21:01-22:00, Fri., 24 Jun. 0.0312 0.0273 0.0287
20:01-21:00, Fri., 24 Jun. 0.0302 0.0270 0.0285
19:01-20:00, Fri., 24 Jun. 0.0342 0.0284 0.0308
18:01-19:00, Fri., 24 Jun. 0.0433 0.0318 0.0366
17:01-18:00, Fri., 24 Jun. 0.0414 0.0334 0.0364
16:01-17:00, Fri., 24 Jun. 0.0365 0.0280 0.0323
15:01-16:00, Fri., 24 Jun. 0.0302 0.0268 0.0286
14:01-15:00, Fri., 24 Jun. 0.0302 0.0268 0.0288
13:01-14:00, Fri., 24 Jun. 0.0313 0.0270 0.0289
12:01-13:00, Fri., 24 Jun. 0.0300 0.0265 0.0285
11:01-12:00, Fri., 24 Jun. 0.0305 0.0263 0.0283
10:01-11:00, Fri., 24 Jun. 0.0312 0.0265 0.0285
09:01-10:00, Fri., 24 Jun. 0.0308 0.0261 0.0288
08:01-09:00, Fri., 24 Jun. 0.0303 0.0267 0.0285
07:01-08:00, Fri., 24 Jun. 0.0307 0.0272 0.0285
06:01-07:00, Fri., 24 Jun. 0.0301 0.0263 0.0283
05:01-06:00, Fri., 24 Jun. 0.0310 0.0260 0.0285
04:01-05:00, Fri., 24 Jun. 0.0305 0.0262 0.0281
03:01-04:00, Fri., 24 Jun. 0.0301 0.0265 0.0284
02:01-03:00, Fri., 24 Jun. 0.0305 0.0265 0.0284
01:01-02:00, Fri., 24 Jun. 0.0306 0.0263 0.0284
00:01-01:00, Fri., 24 Jun. 0.0307 0.0262 0.0286
23:01-24:00, Thu., 23 Jun. 0.0304 0.0268 0.0285
22:01-23:00, Thu., 23 Jun. 0.0303 0.0268 0.0286
21:01-22:00, Thu., 23 Jun. 0.0303 0.0263 0.0284
20:01-21:00, Thu., 23 Jun. 0.0305 0.0271 0.0288
19:01-20:00, Thu., 23 Jun. 0.0312 0.0274 0.0288
18:01-19:00, Thu., 23 Jun. 0.0306 0.0271 0.0288
17:01-18:00, Thu., 23 Jun. 0.0305 0.0273 0.0289
16:01-17:00, Thu., 23 Jun. 0.0308 0.0264 0.0288
15:01-16:00, Thu., 23 Jun. 0.0304 0.0270 0.0289
14:01-15:00, Thu., 23 Jun. 0.0311 0.0270 0.0290
13:01-14:00, Thu., 23 Jun. 0.0311 0.0281 0.0294
12:01-13:00, Thu., 23 Jun. 0.0316 0.0267 0.0297
11:01-12:00, Thu., 23 Jun. 0.0343 0.0276 0.0308
10:01-11:00, Thu., 23 Jun. 0.0363 0.0307 0.0338
09:01-10:00, Thu., 23 Jun. 0.0380 0.0315 0.0346
08:01-09:00, Thu., 23 Jun. 0.0447 0.0357 0.0399
07:01-08:00, Thu., 23 Jun. 0.0460 0.0392 0.0423
06:01-07:00, Thu., 23 Jun. 0.0430 0.0372 0.0400
05:01-06:00, Thu., 23 Jun. 0.0416 0.0346 0.0371
04:01-05:00, Thu., 23 Jun. 0.0403 0.0341 0.0364
03:01-04:00, Thu., 23 Jun. 0.0390 0.0295 0.0349
02:01-03:00, Thu., 23 Jun. 0.0317 0.0278 0.0299
01:01-02:00, Thu., 23 Jun. 0.0310 0.0268 0.0291
00:01-01:00, Thu., 23 Jun. 0.0310 0.0274 0.0293
23:01-24:00, Wed., 22 Jun. 0.0308 0.0262 0.0287
22:01-23:00, Wed., 22 Jun. 0.0307 0.0266 0.0286
21:01-22:00, Wed., 22 Jun. 0.0308 0.0264 0.0287
20:01-21:00, Wed., 22 Jun. 0.0307 0.0262 0.0287
19:01-20:00, Wed., 22 Jun. 0.0301 0.0267 0.0289
18:01-19:00, Wed., 22 Jun. 0.0305 0.0267 0.0285
17:01-18:00, Wed., 22 Jun. 0.0307 0.0263 0.0284
16:01-17:00, Wed., 22 Jun. 0.0312 0.0267 0.0288
15:01-16:00, Wed., 22 Jun. 0.0306 0.0265 0.0286
14:01-15:00, Wed., 22 Jun. 0.0306 0.0270 0.0287
13:01-14:00, Wed., 22 Jun. 0.0319 0.0267 0.0288
12:01-13:00, Wed., 22 Jun. 0.0312 0.0278 0.0292
11:01-12:00, Wed., 22 Jun. 0.0353 0.0291 0.0318
10:01-11:00, Wed., 22 Jun. 0.0399 0.0332 0.0363
09:01-10:00, Wed., 22 Jun. 0.0380 0.0316 0.0353
08:01-09:00, Wed., 22 Jun. 0.0342 0.0303 0.0327
07:01-08:00, Wed., 22 Jun. 0.0331 0.0277 0.0298
06:01-07:00, Wed., 22 Jun. 0.0311 0.0266 0.0289
05:01-06:00, Wed., 22 Jun. 0.0304 0.0268 0.0289
04:01-05:00, Wed., 22 Jun. 0.0320 0.0267 0.0291
03:01-04:00, Wed., 22 Jun. 0.0319 0.0263 0.0290
02:01-03:00, Wed., 22 Jun. 0.0311 0.0270 0.0288
01:01-02:00, Wed., 22 Jun. 0.0306 0.0270 0.0289
00:01-01:00, Wed., 22 Jun. 0.0319 0.0270 0.0294
23:01-24:00, Tue., 21 Jun. 0.0312 0.0274 0.0296
22:01-23:00, Tue., 21 Jun. 0.0306 0.0275 0.0293
21:01-22:00, Tue., 21 Jun. 0.0308 0.0275 0.0290
20:01-21:00, Tue., 21 Jun. 0.0308 0.0272 0.0292
19:01-20:00, Tue., 21 Jun. 0.0310 0.0274 0.0291
18:01-19:00, Tue., 21 Jun. 0.0306 0.0269 0.0288
17:01-18:00, Tue., 21 Jun. 0.0319 0.0272 0.0291
16:01-17:00, Tue., 21 Jun. 0.0313 0.0269 0.0291
15:01-16:00, Tue., 21 Jun. 0.0327 0.0280 0.0304
14:01-15:00, Tue., 21 Jun. 0.0389 0.0305 0.0341
13:01-14:00, Tue., 21 Jun. 0.0395 0.0310 0.0356
12:01-13:00, Tue., 21 Jun. 0.0404 0.0311 0.0352
11:01-12:00, Tue., 21 Jun. 0.0459 0.0359 0.0411
10:01-11:00, Tue., 21 Jun. 0.0452 0.0367 0.0411
09:01-10:00, Tue., 21 Jun. 0.0438 0.0348 0.0387
08:01-09:00, Tue., 21 Jun. 0.0388 0.0348 0.0365
07:01-08:00, Tue., 21 Jun. 0.0364 0.0301 0.0332
06:01-07:00, Tue., 21 Jun. 0.0321 0.0275 0.0299
05:01-06:00, Tue., 21 Jun. 0.0322 0.0283 0.0300
04:01-05:00, Tue., 21 Jun. 0.0323 0.0278 0.0299
03:01-04:00, Tue., 21 Jun. 0.0322 0.0287 0.0301
02:01-03:00, Tue., 21 Jun. 0.0315 0.0278 0.0299
01:01-02:00, Tue., 21 Jun. 0.0329 0.0284 0.0302
00:01-01:00, Tue., 21 Jun. 0.0320 0.0279 0.0299
23:01-24:00, Mon., 20 Jun. 0.0322 0.0275 0.0298
22:01-23:00, Mon., 20 Jun. 0.0318 0.0283 0.0297
21:01-22:00, Mon., 20 Jun. 0.0317 0.0282 0.0298
20:01-21:00, Mon., 20 Jun. 0.0321 0.0281 0.0301
19:01-20:00, Mon., 20 Jun. 0.0318 0.0281 0.0301
18:01-19:00, Mon., 20 Jun. 0.0315 0.0281 0.0299
17:01-18:00, Mon., 20 Jun. 0.0312 0.0278 0.0296
16:01-17:00, Mon., 20 Jun. 0.0310 0.0269 0.0295
15:01-16:00, Mon., 20 Jun. 0.0319 0.0275 0.0298
14:01-15:00, Mon., 20 Jun. 0.0323 0.0278 0.0296
13:01-14:00, Mon., 20 Jun. 0.0311 0.0277 0.0295
12:01-13:00, Mon., 20 Jun. 0.0325 0.0283 0.0298
11:01-12:00, Mon., 20 Jun. 0.0316 0.0263 0.0294
10:01-11:00, Mon., 20 Jun. 0.0311 0.0279 0.0297
09:01-10:00, Mon., 20 Jun. 0.0310 0.0276 0.0293
08:01-09:00, Mon., 20 Jun. 0.0314 0.0278 0.0295
07:01-08:00, Mon., 20 Jun. 0.0312 0.0268 0.0292
06:01-07:00, Mon., 20 Jun. 0.0312 0.0273 0.0295
05:01-06:00, Mon., 20 Jun. 0.0316 0.0273 0.0295
04:01-05:00, Mon., 20 Jun. 0.0320 0.0276 0.0296
03:01-04:00, Mon., 20 Jun. 0.0324 0.0282 0.0303
02:01-03:00, Mon., 20 Jun. 0.0356 0.0297 0.0326
01:01-02:00, Mon., 20 Jun. 0.0366 0.0312 0.0337
00:01-01:00, Mon., 20 Jun. 0.0437 0.0324 0.0370