Measurement results by the hour (Chofu) 29 Aug., 2016 - 4 Sep., 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., 04 Sep. 0.0301 0.0267 0.0283
22:01-23:00, Sun., 04 Sep. 0.0302 0.0270 0.0284
21:01-22:00, Sun., 04 Sep. 0.0306 0.0269 0.0284
20:01-21:00, Sun., 04 Sep. 0.0298 0.0261 0.0281
19:01-20:00, Sun., 04 Sep. 0.0298 0.0263 0.0282
18:01-19:00, Sun., 04 Sep. 0.0300 0.0260 0.0282
17:01-18:00, Sun., 04 Sep. 0.0304 0.0259 0.0282
16:01-17:00, Sun., 04 Sep. 0.0304 0.0258 0.0282
15:01-16:00, Sun., 04 Sep. 0.0306 0.0264 0.0282
14:01-15:00, Sun., 04 Sep. 0.0298 0.0262 0.0282
13:01-14:00, Sun., 04 Sep. 0.0303 0.0264 0.0284
12:01-13:00, Sun., 04 Sep. 0.0304 0.0263 0.0283
11:01-12:00, Sun., 04 Sep. 0.0306 0.0269 0.0286
10:01-11:00, Sun., 04 Sep. 0.0307 0.0266 0.0290
09:01-10:00, Sun., 04 Sep. 0.0327 0.0280 0.0299
08:01-09:00, Sun., 04 Sep. 0.0344 0.0304 0.0321
07:01-08:00, Sun., 04 Sep. 0.0333 0.0280 0.0300
06:01-07:00, Sun., 04 Sep. 0.0325 0.0269 0.0292
05:01-06:00, Sun., 04 Sep. 0.0316 0.0266 0.0287
04:01-05:00, Sun., 04 Sep. 0.0305 0.0267 0.0286
03:01-04:00, Sun., 04 Sep. 0.0309 0.0268 0.0288
02:01-03:00, Sun., 04 Sep. 0.0317 0.0281 0.0300
01:01-02:00, Sun., 04 Sep. 0.0315 0.0281 0.0295
00:01-01:00, Sun., 04 Sep. 0.0312 0.0273 0.0289
23:01-24:00, Sat., 03 Sep. 0.0316 0.0268 0.0290
22:01-23:00, Sat., 03 Sep. 0.0310 0.0270 0.0289
21:01-22:00, Sat., 03 Sep. 0.0308 0.0273 0.0289
20:01-21:00, Sat., 03 Sep. 0.0307 0.0272 0.0287
19:01-20:00, Sat., 03 Sep. 0.0312 0.0272 0.0290
18:01-19:00, Sat., 03 Sep. 0.0304 0.0274 0.0290
17:01-18:00, Sat., 03 Sep. 0.0310 0.0262 0.0289
16:01-17:00, Sat., 03 Sep. 0.0312 0.0276 0.0290
15:01-16:00, Sat., 03 Sep. 0.0307 0.0265 0.0288
14:01-15:00, Sat., 03 Sep. 0.0316 0.0277 0.0291
13:01-14:00, Sat., 03 Sep. 0.0305 0.0264 0.0289
12:01-13:00, Sat., 03 Sep. 0.0318 0.0278 0.0292
11:01-12:00, Sat., 03 Sep. 0.0311 0.0270 0.0288
10:01-11:00, Sat., 03 Sep. 0.0316 0.0273 0.0291
09:01-10:00, Sat., 03 Sep. 0.0312 0.0264 0.0290
08:01-09:00, Sat., 03 Sep. 0.0313 0.0274 0.0290
07:01-08:00, Sat., 03 Sep. 0.0307 0.0274 0.0291
06:01-07:00, Sat., 03 Sep. 0.0317 0.0266 0.0289
05:01-06:00, Sat., 03 Sep. 0.0312 0.0272 0.0290
04:01-05:00, Sat., 03 Sep. 0.0306 0.0271 0.0290
03:01-04:00, Sat., 03 Sep. 0.0307 0.0271 0.0289
02:01-03:00, Sat., 03 Sep. 0.0305 0.0265 0.0290
01:01-02:00, Sat., 03 Sep. 0.0305 0.0261 0.0288
00:01-01:00, Sat., 03 Sep. 0.0313 0.0267 0.0290
23:01-24:00, Fri., 02 Sep. 0.0311 0.0267 0.0289
22:01-23:00, Fri., 02 Sep. 0.0313 0.0267 0.0290
21:01-22:00, Fri., 02 Sep. 0.0305 0.0273 0.0289
20:01-21:00, Fri., 02 Sep. 0.0308 0.0268 0.0291
19:01-20:00, Fri., 02 Sep. 0.0308 0.0270 0.0292
18:01-19:00, Fri., 02 Sep. 0.0310 0.0269 0.0290
17:01-18:00, Fri., 02 Sep. 0.0313 0.0267 0.0290
16:01-17:00, Fri., 02 Sep. 0.0318 0.0273 0.0291
15:01-16:00, Fri., 02 Sep. 0.0308 0.0273 0.0290
14:01-15:00, Fri., 02 Sep. 0.0311 0.0269 0.0293
13:01-14:00, Fri., 02 Sep. 0.0313 0.0272 0.0293
12:01-13:00, Fri., 02 Sep. 0.0306 0.0268 0.0293
11:01-12:00, Fri., 02 Sep. 0.0325 0.0276 0.0293
10:01-11:00, Fri., 02 Sep. 0.0318 0.0279 0.0298
09:01-10:00, Fri., 02 Sep. 0.0320 0.0281 0.0299
08:01-09:00, Fri., 02 Sep. 0.0322 0.0283 0.0304
07:01-08:00, Fri., 02 Sep. 0.0334 0.0277 0.0302
06:01-07:00, Fri., 02 Sep. 0.0324 0.0279 0.0305
05:01-06:00, Fri., 02 Sep. 0.0317 0.0278 0.0301
04:01-05:00, Fri., 02 Sep. 0.0320 0.0283 0.0303
03:01-04:00, Fri., 02 Sep. 0.0319 0.0284 0.0300
02:01-03:00, Fri., 02 Sep. 0.0323 0.0282 0.0301
01:01-02:00, Fri., 02 Sep. 0.0317 0.0281 0.0300
00:01-01:00, Fri., 02 Sep. 0.0325 0.0283 0.0303
23:01-24:00, Thu., 01 Sep. 0.0306 0.0272 0.0290
22:01-23:00, Thu., 01 Sep. 0.0303 0.0258 0.0286
21:01-22:00, Thu., 01 Sep. 0.0300 0.0267 0.0288
20:01-21:00, Thu., 01 Sep. 0.0308 0.0266 0.0289
19:01-20:00, Thu., 01 Sep. 0.0315 0.0271 0.0287
18:01-19:00, Thu., 01 Sep. 0.0303 0.0271 0.0286
17:01-18:00, Thu., 01 Sep. 0.0304 0.0272 0.0287
16:01-17:00, Thu., 01 Sep. 0.0312 0.0272 0.0291
15:01-16:00, Thu., 01 Sep. 0.0312 0.0276 0.0290
14:01-15:00, Thu., 01 Sep. 0.0309 0.0266 0.0291
13:01-14:00, Thu., 01 Sep. 0.0309 0.0271 0.0290
12:01-13:00, Thu., 01 Sep. 0.0310 0.0268 0.0290
11:01-12:00, Thu., 01 Sep. 0.0311 0.0273 0.0290
10:01-11:00, Thu., 01 Sep. 0.0317 0.0273 0.0290
09:01-10:00, Thu., 01 Sep. 0.0313 0.0275 0.0292
08:01-09:00, Thu., 01 Sep. 0.0312 0.0266 0.0295
07:01-08:00, Thu., 01 Sep. 0.0316 0.0280 0.0299
06:01-07:00, Thu., 01 Sep. 0.0320 0.0285 0.0303
05:01-06:00, Thu., 01 Sep. 0.0315 0.0272 0.0298
04:01-05:00, Thu., 01 Sep. 0.0306 0.0270 0.0291
03:01-04:00, Thu., 01 Sep. 0.0304 0.0273 0.0288
02:01-03:00, Thu., 01 Sep. 0.0301 0.0266 0.0285
01:01-02:00, Thu., 01 Sep. 0.0309 0.0262 0.0286
00:01-01:00, Thu., 01 Sep. 0.0303 0.0259 0.0284
23:01-24:00, Wed., 31 Aug. 0.0307 0.0270 0.0288
22:01-23:00, Wed., 31 Aug. 0.0311 0.0265 0.0285
21:01-22:00, Wed., 31 Aug. 0.0302 0.0262 0.0286
20:01-21:00, Wed., 31 Aug. 0.0305 0.0269 0.0286
19:01-20:00, Wed., 31 Aug. 0.0304 0.0270 0.0286
18:01-19:00, Wed., 31 Aug. 0.0305 0.0264 0.0286
17:01-18:00, Wed., 31 Aug. 0.0310 0.0273 0.0289
16:01-17:00, Wed., 31 Aug. 0.0319 0.0268 0.0291
15:01-16:00, Wed., 31 Aug. 0.0314 0.0274 0.0289
14:01-15:00, Wed., 31 Aug. 0.0307 0.0268 0.0290
13:01-14:00, Wed., 31 Aug. 0.0311 0.0261 0.0289
12:01-13:00, Wed., 31 Aug. 0.0308 0.0272 0.0289
11:01-12:00, Wed., 31 Aug. 0.0309 0.0258 0.0289
10:01-11:00, Wed., 31 Aug. 0.0305 0.0268 0.0286
09:01-10:00, Wed., 31 Aug. 0.0301 0.0269 0.0286
08:01-09:00, Wed., 31 Aug. 0.0303 0.0270 0.0287
07:01-08:00, Wed., 31 Aug. 0.0314 0.0263 0.0289
06:01-07:00, Wed., 31 Aug. 0.0306 0.0267 0.0288
05:01-06:00, Wed., 31 Aug. 0.0311 0.0272 0.0288
04:01-05:00, Wed., 31 Aug. 0.0306 0.0272 0.0287
03:01-04:00, Wed., 31 Aug. 0.0300 0.0266 0.0286
02:01-03:00, Wed., 31 Aug. 0.0307 0.0262 0.0286
01:01-02:00, Wed., 31 Aug. 0.0316 0.0267 0.0289
00:01-01:00, Wed., 31 Aug. 0.0308 0.0271 0.0288
23:01-24:00, Tue., 30 Aug. 0.0309 0.0268 0.0287
22:01-23:00, Tue., 30 Aug. 0.0301 0.0261 0.0285
21:01-22:00, Tue., 30 Aug. 0.0309 0.0265 0.0286
20:01-21:00, Tue., 30 Aug. 0.0305 0.0269 0.0285
19:01-20:00, Tue., 30 Aug. 0.0314 0.0257 0.0286
18:01-19:00, Tue., 30 Aug. 0.0321 0.0273 0.0294
17:01-18:00, Tue., 30 Aug. 0.0360 0.0291 0.0324
16:01-17:00, Tue., 30 Aug. 0.0453 0.0354 0.0395
15:01-16:00, Tue., 30 Aug. 0.0385 0.0289 0.0336
14:01-15:00, Tue., 30 Aug. 0.0360 0.0306 0.0331
13:01-14:00, Tue., 30 Aug. 0.0355 0.0267 0.0309
12:01-13:00, Tue., 30 Aug. 0.0304 0.0270 0.0284
11:01-12:00, Tue., 30 Aug. 0.0313 0.0274 0.0289
10:01-11:00, Tue., 30 Aug. 0.0338 0.0283 0.0309
09:01-10:00, Tue., 30 Aug. 0.0345 0.0304 0.0323
08:01-09:00, Tue., 30 Aug. 0.0344 0.0297 0.0323
07:01-08:00, Tue., 30 Aug. 0.0356 0.0296 0.0327
06:01-07:00, Tue., 30 Aug. 0.0356 0.0311 0.0331
05:01-06:00, Tue., 30 Aug. 0.0377 0.0294 0.0335
04:01-05:00, Tue., 30 Aug. 0.0325 0.0274 0.0304
03:01-04:00, Tue., 30 Aug. 0.0338 0.0296 0.0314
02:01-03:00, Tue., 30 Aug. 0.0343 0.0296 0.0319
01:01-02:00, Tue., 30 Aug. 0.0342 0.0296 0.0316
00:01-01:00, Tue., 30 Aug. 0.0319 0.0277 0.0298
23:01-24:00, Mon., 29 Aug. 0.0317 0.0269 0.0292
22:01-23:00, Mon., 29 Aug. 0.0308 0.0271 0.0290
21:01-22:00, Mon., 29 Aug. 0.0305 0.0269 0.0290
20:01-21:00, Mon., 29 Aug. 0.0306 0.0270 0.0292
19:01-20:00, Mon., 29 Aug. 0.0306 0.0268 0.0286
18:01-19:00, Mon., 29 Aug. 0.0308 0.0267 0.0283
17:01-18:00, Mon., 29 Aug. 0.0297 0.0259 0.0279
16:01-17:00, Mon., 29 Aug. 0.0297 0.0253 0.0279
15:01-16:00, Mon., 29 Aug. 0.0293 0.0255 0.0276
14:01-15:00, Mon., 29 Aug. 0.0295 0.0256 0.0278
13:01-14:00, Mon., 29 Aug. 0.0298 0.0260 0.0279
12:01-13:00, Mon., 29 Aug. 0.0303 0.0262 0.0284
11:01-12:00, Mon., 29 Aug. 0.0302 0.0268 0.0283
10:01-11:00, Mon., 29 Aug. 0.0315 0.0270 0.0292
09:01-10:00, Mon., 29 Aug. 0.0331 0.0278 0.0298
08:01-09:00, Mon., 29 Aug. 0.0334 0.0281 0.0306
07:01-08:00, Mon., 29 Aug. 0.0314 0.0272 0.0299
06:01-07:00, Mon., 29 Aug. 0.0313 0.0275 0.0296
05:01-06:00, Mon., 29 Aug. 0.0302 0.0264 0.0289
04:01-05:00, Mon., 29 Aug. 0.0308 0.0270 0.0289
03:01-04:00, Mon., 29 Aug. 0.0316 0.0276 0.0294
02:01-03:00, Mon., 29 Aug. 0.0326 0.0281 0.0299
01:01-02:00, Mon., 29 Aug. 0.0321 0.0285 0.0304
00:01-01:00, Mon., 29 Aug. 0.0325 0.0282 0.0304