Measurement results by the hour (Chofu) 30 Jul., 2018 - 5 Aug., 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., 05 Aug. 0.0320 0.0280 0.0299
22:01-23:00, Sun., 05 Aug. 0.0322 0.0286 0.0302
21:01-22:00, Sun., 05 Aug. 0.0313 0.0276 0.0297
20:01-21:00, Sun., 05 Aug. 0.0318 0.0285 0.0299
19:01-20:00, Sun., 05 Aug. 0.0314 0.0281 0.0298
18:01-19:00, Sun., 05 Aug. 0.0316 0.0277 0.0300
17:01-18:00, Sun., 05 Aug. 0.0337 0.0280 0.0301
16:01-17:00, Sun., 05 Aug. 0.0321 0.0281 0.0301
15:01-16:00, Sun., 05 Aug. 0.0325 0.0277 0.0296
14:01-15:00, Sun., 05 Aug. 0.0317 0.0279 0.0296
13:01-14:00, Sun., 05 Aug. 0.0318 0.0279 0.0297
12:01-13:00, Sun., 05 Aug. 0.0319 0.0275 0.0299
11:01-12:00, Sun., 05 Aug. 0.0320 0.0276 0.0299
10:01-11:00, Sun., 05 Aug. 0.0321 0.0273 0.0299
09:01-10:00, Sun., 05 Aug. 0.0322 0.0274 0.0298
08:01-09:00, Sun., 05 Aug. 0.0316 0.0277 0.0295
07:01-08:00, Sun., 05 Aug. 0.0316 0.0273 0.0294
06:01-07:00, Sun., 05 Aug. 0.0314 0.0272 0.0292
05:01-06:00, Sun., 05 Aug. 0.0320 0.0272 0.0293
04:01-05:00, Sun., 05 Aug. 0.0306 0.0272 0.0291
03:01-04:00, Sun., 05 Aug. 0.0310 0.0274 0.0292
02:01-03:00, Sun., 05 Aug. 0.0313 0.0271 0.0293
01:01-02:00, Sun., 05 Aug. 0.0314 0.0274 0.0291
00:01-01:00, Sun., 05 Aug. 0.0313 0.0272 0.0291
23:01-24:00, Sat., 04 Aug. 0.0313 0.0277 0.0295
22:01-23:00, Sat., 04 Aug. 0.0312 0.0268 0.0293
21:01-22:00, Sat., 04 Aug. 0.0310 0.0264 0.0293
20:01-21:00, Sat., 04 Aug. 0.0314 0.0275 0.0292
19:01-20:00, Sat., 04 Aug. 0.0314 0.0276 0.0293
18:01-19:00, Sat., 04 Aug. 0.0312 0.0273 0.0292
17:01-18:00, Sat., 04 Aug. 0.0314 0.0273 0.0291
16:01-17:00, Sat., 04 Aug. 0.0320 0.0270 0.0294
15:01-16:00, Sat., 04 Aug. 0.0312 0.0265 0.0295
14:01-15:00, Sat., 04 Aug. 0.0315 0.0279 0.0294
13:01-14:00, Sat., 04 Aug. 0.0314 0.0275 0.0292
12:01-13:00, Sat., 04 Aug. 0.0328 0.0275 0.0297
11:01-12:00, Sat., 04 Aug. 0.0311 0.0278 0.0294
10:01-11:00, Sat., 04 Aug. 0.0312 0.0276 0.0295
09:01-10:00, Sat., 04 Aug. 0.0321 0.0274 0.0295
08:01-09:00, Sat., 04 Aug. 0.0323 0.0273 0.0295
07:01-08:00, Sat., 04 Aug. 0.0317 0.0277 0.0296
06:01-07:00, Sat., 04 Aug. 0.0315 0.0275 0.0294
05:01-06:00, Sat., 04 Aug. 0.0307 0.0274 0.0294
04:01-05:00, Sat., 04 Aug. 0.0313 0.0277 0.0296
03:01-04:00, Sat., 04 Aug. 0.0314 0.0276 0.0294
02:01-03:00, Sat., 04 Aug. 0.0307 0.0272 0.0287
01:01-02:00, Sat., 04 Aug. 0.0308 0.0272 0.0291
00:01-01:00, Sat., 04 Aug. 0.0306 0.0272 0.0289
23:01-24:00, Fri., 03 Aug. 0.0310 0.0269 0.0291
22:01-23:00, Fri., 03 Aug. 0.0307 0.0271 0.0288
21:01-22:00, Fri., 03 Aug. 0.0318 0.0277 0.0294
20:01-21:00, Fri., 03 Aug. 0.0319 0.0279 0.0300
19:01-20:00, Fri., 03 Aug. 0.0311 0.0275 0.0292
18:01-19:00, Fri., 03 Aug. 0.0311 0.0270 0.0294
17:01-18:00, Fri., 03 Aug. 0.0311 0.0262 0.0291
16:01-17:00, Fri., 03 Aug. 0.0314 0.0271 0.0290
15:01-16:00, Fri., 03 Aug. 0.0319 0.0275 0.0292
14:01-15:00, Fri., 03 Aug. 0.0308 0.0273 0.0292
13:01-14:00, Fri., 03 Aug. 0.0320 0.0274 0.0297
12:01-13:00, Fri., 03 Aug. 0.0316 0.0265 0.0299
11:01-12:00, Fri., 03 Aug. 0.0320 0.0279 0.0299
10:01-11:00, Fri., 03 Aug. 0.0328 0.0286 0.0303
09:01-10:00, Fri., 03 Aug. 0.0320 0.0279 0.0302
08:01-09:00, Fri., 03 Aug. 0.0314 0.0279 0.0297
07:01-08:00, Fri., 03 Aug. 0.0311 0.0274 0.0294
06:01-07:00, Fri., 03 Aug. 0.0314 0.0280 0.0295
05:01-06:00, Fri., 03 Aug. 0.0315 0.0271 0.0298
04:01-05:00, Fri., 03 Aug. 0.0315 0.0280 0.0294
03:01-04:00, Fri., 03 Aug. 0.0314 0.0275 0.0293
02:01-03:00, Fri., 03 Aug. 0.0317 0.0280 0.0298
01:01-02:00, Fri., 03 Aug. 0.0325 0.0284 0.0306
00:01-01:00, Fri., 03 Aug. 0.0319 0.0273 0.0292
23:01-24:00, Thu., 02 Aug. 0.0316 0.0278 0.0293
22:01-23:00, Thu., 02 Aug. 0.0320 0.0275 0.0291
21:01-22:00, Thu., 02 Aug. 0.0315 0.0268 0.0292
20:01-21:00, Thu., 02 Aug. 0.0313 0.0273 0.0293
19:01-20:00, Thu., 02 Aug. 0.0315 0.0271 0.0293
18:01-19:00, Thu., 02 Aug. 0.0311 0.0271 0.0292
17:01-18:00, Thu., 02 Aug. 0.0317 0.0272 0.0294
16:01-17:00, Thu., 02 Aug. 0.0318 0.0272 0.0292
15:01-16:00, Thu., 02 Aug. 0.0311 0.0272 0.0293
14:01-15:00, Thu., 02 Aug. 0.0307 0.0276 0.0294
13:01-14:00, Thu., 02 Aug. 0.0313 0.0277 0.0293
12:01-13:00, Thu., 02 Aug. 0.0323 0.0273 0.0293
11:01-12:00, Thu., 02 Aug. 0.0315 0.0276 0.0298
10:01-11:00, Thu., 02 Aug. 0.0331 0.0277 0.0301
09:01-10:00, Thu., 02 Aug. 0.0324 0.0278 0.0298
08:01-09:00, Thu., 02 Aug. 0.0318 0.0264 0.0296
07:01-08:00, Thu., 02 Aug. 0.0321 0.0283 0.0296
06:01-07:00, Thu., 02 Aug. 0.0314 0.0273 0.0290
05:01-06:00, Thu., 02 Aug. 0.0312 0.0261 0.0288
04:01-05:00, Thu., 02 Aug. 0.0313 0.0273 0.0289
03:01-04:00, Thu., 02 Aug. 0.0319 0.0269 0.0292
02:01-03:00, Thu., 02 Aug. 0.0311 0.0277 0.0293
01:01-02:00, Thu., 02 Aug. 0.0310 0.0276 0.0292
00:01-01:00, Thu., 02 Aug. 0.0316 0.0272 0.0291
23:01-24:00, Wed., 01 Aug. 0.0309 0.0267 0.0289
22:01-23:00, Wed., 01 Aug. 0.0310 0.0267 0.0288
21:01-22:00, Wed., 01 Aug. 0.0314 0.0270 0.0287
20:01-21:00, Wed., 01 Aug. 0.0311 0.0262 0.0285
19:01-20:00, Wed., 01 Aug. 0.0309 0.0269 0.0285
18:01-19:00, Wed., 01 Aug. 0.0305 0.0268 0.0289
17:01-18:00, Wed., 01 Aug. 0.0312 0.0269 0.0285
16:01-17:00, Wed., 01 Aug. 0.0307 0.0266 0.0284
15:01-16:00, Wed., 01 Aug. 0.0308 0.0265 0.0286
14:01-15:00, Wed., 01 Aug. 0.0307 0.0263 0.0286
13:01-14:00, Wed., 01 Aug. 0.0304 0.0267 0.0287
12:01-13:00, Wed., 01 Aug. 0.0306 0.0273 0.0289
11:01-12:00, Wed., 01 Aug. 0.0306 0.0268 0.0290
10:01-11:00, Wed., 01 Aug. 0.0308 0.0269 0.0288
09:01-10:00, Wed., 01 Aug. 0.0317 0.0264 0.0292
08:01-09:00, Wed., 01 Aug. 0.0308 0.0274 0.0293
07:01-08:00, Wed., 01 Aug. 0.0326 0.0276 0.0299
06:01-07:00, Wed., 01 Aug. 0.0324 0.0281 0.0304
05:01-06:00, Wed., 01 Aug. 0.0322 0.0274 0.0290
04:01-05:00, Wed., 01 Aug. 0.0297 0.0266 0.0282
03:01-04:00, Wed., 01 Aug. 0.0298 0.0256 0.0281
02:01-03:00, Wed., 01 Aug. 0.0298 0.0263 0.0280
01:01-02:00, Wed., 01 Aug. 0.0304 0.0260 0.0282
00:01-01:00, Wed., 01 Aug. 0.0300 0.0256 0.0283
23:01-24:00, Tue., 31 Jul. 0.0295 0.0266 0.0281
22:01-23:00, Tue., 31 Jul. 0.0296 0.0264 0.0282
21:01-22:00, Tue., 31 Jul. 0.0298 0.0267 0.0281
20:01-21:00, Tue., 31 Jul. 0.0301 0.0264 0.0282
19:01-20:00, Tue., 31 Jul. 0.0303 0.0262 0.0281
18:01-19:00, Tue., 31 Jul. 0.0300 0.0261 0.0279
17:01-18:00, Tue., 31 Jul. 0.0302 0.0262 0.0280
16:01-17:00, Tue., 31 Jul. 0.0298 0.0262 0.0279
15:01-16:00, Tue., 31 Jul. 0.0300 0.0258 0.0282
14:01-15:00, Tue., 31 Jul. 0.0302 0.0262 0.0280
13:01-14:00, Tue., 31 Jul. 0.0295 0.0266 0.0280
12:01-13:00, Tue., 31 Jul. 0.0293 0.0262 0.0279
11:01-12:00, Tue., 31 Jul. 0.0293 0.0260 0.0279
10:01-11:00, Tue., 31 Jul. 0.0315 0.0260 0.0280
09:01-10:00, Tue., 31 Jul. 0.0298 0.0257 0.0280
08:01-09:00, Tue., 31 Jul. 0.0296 0.0263 0.0277
07:01-08:00, Tue., 31 Jul. 0.0298 0.0258 0.0278
06:01-07:00, Tue., 31 Jul. 0.0308 0.0260 0.0279
05:01-06:00, Tue., 31 Jul. 0.0302 0.0260 0.0278
04:01-05:00, Tue., 31 Jul. 0.0298 0.0259 0.0277
03:01-04:00, Tue., 31 Jul. 0.0295 0.0254 0.0276
02:01-03:00, Tue., 31 Jul. 0.0298 0.0255 0.0276
01:01-02:00, Tue., 31 Jul. 0.0292 0.0263 0.0276
00:01-01:00, Tue., 31 Jul. 0.0300 0.0262 0.0279
23:01-24:00, Mon., 30 Jul. 0.0301 0.0259 0.0279
22:01-23:00, Mon., 30 Jul. 0.0299 0.0257 0.0276
21:01-22:00, Mon., 30 Jul. 0.0303 0.0260 0.0277
20:01-21:00, Mon., 30 Jul. 0.0292 0.0259 0.0276
19:01-20:00, Mon., 30 Jul. 0.0298 0.0259 0.0278
18:01-19:00, Mon., 30 Jul. 0.0294 0.0257 0.0276
17:01-18:00, Mon., 30 Jul. 0.0302 0.0261 0.0280
16:01-17:00, Mon., 30 Jul. 0.0297 0.0261 0.0278
15:01-16:00, Mon., 30 Jul. 0.0297 0.0262 0.0278
14:01-15:00, Mon., 30 Jul. 0.0303 0.0259 0.0278
13:01-14:00, Mon., 30 Jul. 0.0308 0.0251 0.0278
12:01-13:00, Mon., 30 Jul. 0.0300 0.0260 0.0281
11:01-12:00, Mon., 30 Jul. 0.0296 0.0258 0.0279
10:01-11:00, Mon., 30 Jul. 0.0291 0.0258 0.0276
09:01-10:00, Mon., 30 Jul. 0.0296 0.0257 0.0277
08:01-09:00, Mon., 30 Jul. 0.0304 0.0259 0.0281
07:01-08:00, Mon., 30 Jul. 0.0300 0.0259 0.0283
06:01-07:00, Mon., 30 Jul. 0.0313 0.0264 0.0290
05:01-06:00, Mon., 30 Jul. 0.0324 0.0283 0.0298
04:01-05:00, Mon., 30 Jul. 0.0319 0.0283 0.0302
03:01-04:00, Mon., 30 Jul. 0.0316 0.0283 0.0298
02:01-03:00, Mon., 30 Jul. 0.0310 0.0253 0.0288
01:01-02:00, Mon., 30 Jul. 0.0301 0.0268 0.0282
00:01-01:00, Mon., 30 Jul. 0.0302 0.0265 0.0279