Measurement results by the hour (Chofu) 26 Aug., 2019 - 1 Sep., 2019

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., 01 Sep. 0.0304 0.0256 0.0278
22:01-23:00, Sun., 01 Sep. 0.0298 0.0259 0.0278
21:01-22:00, Sun., 01 Sep. 0.0294 0.0255 0.0277
20:01-21:00, Sun., 01 Sep. 0.0299 0.0259 0.0279
19:01-20:00, Sun., 01 Sep. 0.0290 0.0255 0.0276
18:01-19:00, Sun., 01 Sep. 0.0300 0.0263 0.0278
17:01-18:00, Sun., 01 Sep. 0.0297 0.0266 0.0280
16:01-17:00, Sun., 01 Sep. 0.0299 0.0255 0.0280
15:01-16:00, Sun., 01 Sep. 0.0298 0.0258 0.0278
14:01-15:00, Sun., 01 Sep. 0.0294 0.0256 0.0279
13:01-14:00, Sun., 01 Sep. 0.0298 0.0258 0.0280
12:01-13:00, Sun., 01 Sep. 0.0298 0.0260 0.0279
11:01-12:00, Sun., 01 Sep. 0.0307 0.0263 0.0280
10:01-11:00, Sun., 01 Sep. 0.0303 0.0265 0.0281
09:01-10:00, Sun., 01 Sep. 0.0310 0.0264 0.0282
08:01-09:00, Sun., 01 Sep. 0.0303 0.0256 0.0280
07:01-08:00, Sun., 01 Sep. 0.0306 0.0263 0.0282
06:01-07:00, Sun., 01 Sep. 0.0300 0.0252 0.0280
05:01-06:00, Sun., 01 Sep. 0.0302 0.0261 0.0279
04:01-05:00, Sun., 01 Sep. 0.0309 0.0254 0.0278
03:01-04:00, Sun., 01 Sep. 0.0295 0.0260 0.0278
02:01-03:00, Sun., 01 Sep. 0.0298 0.0259 0.0276
01:01-02:00, Sun., 01 Sep. 0.0299 0.0250 0.0273
00:01-01:00, Sun., 01 Sep. 0.0299 0.0261 0.0278
23:01-24:00, Sat., 31 Aug. 0.0300 0.0264 0.0278
22:01-23:00, Sat., 31 Aug. 0.0302 0.0258 0.0279
21:01-22:00, Sat., 31 Aug. 0.0298 0.0259 0.0278
20:01-21:00, Sat., 31 Aug. 0.0291 0.0260 0.0277
19:01-20:00, Sat., 31 Aug. 0.0292 0.0256 0.0277
18:01-19:00, Sat., 31 Aug. 0.0303 0.0257 0.0277
17:01-18:00, Sat., 31 Aug. 0.0297 0.0255 0.0274
16:01-17:00, Sat., 31 Aug. 0.0296 0.0259 0.0274
15:01-16:00, Sat., 31 Aug. 0.0288 0.0250 0.0272
14:01-15:00, Sat., 31 Aug. 0.0290 0.0250 0.0270
13:01-14:00, Sat., 31 Aug. 0.0292 0.0253 0.0274
12:01-13:00, Sat., 31 Aug. 0.0294 0.0257 0.0278
11:01-12:00, Sat., 31 Aug. 0.0302 0.0259 0.0276
10:01-11:00, Sat., 31 Aug. 0.0296 0.0259 0.0277
09:01-10:00, Sat., 31 Aug. 0.0298 0.0257 0.0278
08:01-09:00, Sat., 31 Aug. 0.0300 0.0266 0.0280
07:01-08:00, Sat., 31 Aug. 0.0312 0.0267 0.0285
06:01-07:00, Sat., 31 Aug. 0.0303 0.0262 0.0285
05:01-06:00, Sat., 31 Aug. 0.0307 0.0268 0.0288
04:01-05:00, Sat., 31 Aug. 0.0311 0.0264 0.0284
03:01-04:00, Sat., 31 Aug. 0.0301 0.0262 0.0286
02:01-03:00, Sat., 31 Aug. 0.0299 0.0266 0.0283
01:01-02:00, Sat., 31 Aug. 0.0295 0.0263 0.0281
00:01-01:00, Sat., 31 Aug. 0.0297 0.0264 0.0282
23:01-24:00, Fri., 30 Aug. 0.0301 0.0256 0.0280
22:01-23:00, Fri., 30 Aug. 0.0299 0.0263 0.0281
21:01-22:00, Fri., 30 Aug. 0.0300 0.0259 0.0279
20:01-21:00, Fri., 30 Aug. 0.0297 0.0256 0.0276
19:01-20:00, Fri., 30 Aug. 0.0292 0.0247 0.0271
18:01-19:00, Fri., 30 Aug. 0.0281 0.0243 0.0266
17:01-18:00, Fri., 30 Aug. 0.0287 0.0246 0.0265
16:01-17:00, Fri., 30 Aug. 0.0285 0.0247 0.0264
15:01-16:00, Fri., 30 Aug. 0.0279 0.0244 0.0266
14:01-15:00, Fri., 30 Aug. 0.0295 0.0242 0.0262
13:01-14:00, Fri., 30 Aug. 0.0281 0.0242 0.0263
12:01-13:00, Fri., 30 Aug. 0.0291 0.0245 0.0264
11:01-12:00, Fri., 30 Aug. 0.0291 0.0252 0.0269
10:01-11:00, Fri., 30 Aug. 0.0299 0.0257 0.0275
09:01-10:00, Fri., 30 Aug. 0.0302 0.0258 0.0283
08:01-09:00, Fri., 30 Aug. 0.0323 0.0274 0.0293
07:01-08:00, Fri., 30 Aug. 0.0333 0.0286 0.0309
06:01-07:00, Fri., 30 Aug. 0.0331 0.0267 0.0295
05:01-06:00, Fri., 30 Aug. 0.0306 0.0270 0.0288
04:01-05:00, Fri., 30 Aug. 0.0305 0.0267 0.0286
03:01-04:00, Fri., 30 Aug. 0.0312 0.0272 0.0288
02:01-03:00, Fri., 30 Aug. 0.0299 0.0264 0.0284
01:01-02:00, Fri., 30 Aug. 0.0296 0.0258 0.0277
00:01-01:00, Fri., 30 Aug. 0.0294 0.0261 0.0274
23:01-24:00, Thu., 29 Aug. 0.0294 0.0255 0.0275
22:01-23:00, Thu., 29 Aug. 0.0293 0.0256 0.0274
21:01-22:00, Thu., 29 Aug. 0.0291 0.0250 0.0271
20:01-21:00, Thu., 29 Aug. 0.0295 0.0254 0.0271
19:01-20:00, Thu., 29 Aug. 0.0291 0.0257 0.0274
18:01-19:00, Thu., 29 Aug. 0.0291 0.0253 0.0271
17:01-18:00, Thu., 29 Aug. 0.0295 0.0255 0.0272
16:01-17:00, Thu., 29 Aug. 0.0288 0.0256 0.0273
15:01-16:00, Thu., 29 Aug. 0.0293 0.0255 0.0274
14:01-15:00, Thu., 29 Aug. 0.0285 0.0259 0.0271
13:01-14:00, Thu., 29 Aug. 0.0298 0.0250 0.0275
12:01-13:00, Thu., 29 Aug. 0.0289 0.0260 0.0274
11:01-12:00, Thu., 29 Aug. 0.0301 0.0259 0.0278
10:01-11:00, Thu., 29 Aug. 0.0301 0.0263 0.0284
09:01-10:00, Thu., 29 Aug. 0.0308 0.0270 0.0285
08:01-09:00, Thu., 29 Aug. 0.0306 0.0269 0.0290
07:01-08:00, Thu., 29 Aug. 0.0315 0.0273 0.0292
06:01-07:00, Thu., 29 Aug. 0.0328 0.0277 0.0296
05:01-06:00, Thu., 29 Aug. 0.0313 0.0277 0.0299
04:01-05:00, Thu., 29 Aug. 0.0337 0.0292 0.0308
03:01-04:00, Thu., 29 Aug. 0.0343 0.0301 0.0322
02:01-03:00, Thu., 29 Aug. 0.0385 0.0323 0.0350
01:01-02:00, Thu., 29 Aug. 0.0389 0.0298 0.0340
00:01-01:00, Thu., 29 Aug. 0.0316 0.0258 0.0278
23:01-24:00, Wed., 28 Aug. 0.0291 0.0248 0.0270
22:01-23:00, Wed., 28 Aug. 0.0294 0.0250 0.0273
21:01-22:00, Wed., 28 Aug. 0.0304 0.0260 0.0277
20:01-21:00, Wed., 28 Aug. 0.0295 0.0263 0.0278
19:01-20:00, Wed., 28 Aug. 0.0304 0.0273 0.0287
18:01-19:00, Wed., 28 Aug. 0.0355 0.0286 0.0318
17:01-18:00, Wed., 28 Aug. 0.0397 0.0328 0.0354
16:01-17:00, Wed., 28 Aug. 0.0463 0.0378 0.0416
15:01-16:00, Wed., 28 Aug. 0.0477 0.0367 0.0421
14:01-15:00, Wed., 28 Aug. 0.0453 0.0362 0.0403
13:01-14:00, Wed., 28 Aug. 0.0449 0.0370 0.0411
12:01-13:00, Wed., 28 Aug. 0.0471 0.0367 0.0424
11:01-12:00, Wed., 28 Aug. 0.0408 0.0324 0.0357
10:01-11:00, Wed., 28 Aug. 0.0344 0.0269 0.0299
09:01-10:00, Wed., 28 Aug. 0.0339 0.0282 0.0311
08:01-09:00, Wed., 28 Aug. 0.0354 0.0283 0.0315
07:01-08:00, Wed., 28 Aug. 0.0365 0.0301 0.0328
06:01-07:00, Wed., 28 Aug. 0.0349 0.0280 0.0309
05:01-06:00, Wed., 28 Aug. 0.0345 0.0299 0.0323
04:01-05:00, Wed., 28 Aug. 0.0351 0.0300 0.0324
03:01-04:00, Wed., 28 Aug. 0.0330 0.0269 0.0295
02:01-03:00, Wed., 28 Aug. 0.0316 0.0273 0.0298
01:01-02:00, Wed., 28 Aug. 0.0339 0.0299 0.0316
00:01-01:00, Wed., 28 Aug. 0.0319 0.0279 0.0304
23:01-24:00, Tue., 27 Aug. 0.0320 0.0272 0.0295
22:01-23:00, Tue., 27 Aug. 0.0326 0.0285 0.0306
21:01-22:00, Tue., 27 Aug. 0.0336 0.0290 0.0312
20:01-21:00, Tue., 27 Aug. 0.0330 0.0286 0.0305
19:01-20:00, Tue., 27 Aug. 0.0313 0.0263 0.0282
18:01-19:00, Tue., 27 Aug. 0.0300 0.0266 0.0281
17:01-18:00, Tue., 27 Aug. 0.0302 0.0262 0.0281
16:01-17:00, Tue., 27 Aug. 0.0303 0.0262 0.0282
15:01-16:00, Tue., 27 Aug. 0.0297 0.0268 0.0281
14:01-15:00, Tue., 27 Aug. 0.0305 0.0263 0.0281
13:01-14:00, Tue., 27 Aug. 0.0302 0.0258 0.0281
12:01-13:00, Tue., 27 Aug. 0.0300 0.0259 0.0281
11:01-12:00, Tue., 27 Aug. 0.0301 0.0258 0.0281
10:01-11:00, Tue., 27 Aug. 0.0297 0.0269 0.0282
09:01-10:00, Tue., 27 Aug. 0.0306 0.0265 0.0281
08:01-09:00, Tue., 27 Aug. 0.0301 0.0267 0.0282
07:01-08:00, Tue., 27 Aug. 0.0301 0.0263 0.0280
06:01-07:00, Tue., 27 Aug. 0.0301 0.0257 0.0282
05:01-06:00, Tue., 27 Aug. 0.0306 0.0262 0.0284
04:01-05:00, Tue., 27 Aug. 0.0295 0.0259 0.0281
03:01-04:00, Tue., 27 Aug. 0.0301 0.0256 0.0276
02:01-03:00, Tue., 27 Aug. 0.0300 0.0263 0.0280
01:01-02:00, Tue., 27 Aug. 0.0306 0.0257 0.0280
00:01-01:00, Tue., 27 Aug. 0.0293 0.0264 0.0278
23:01-24:00, Mon., 26 Aug. 0.0293 0.0259 0.0277
22:01-23:00, Mon., 26 Aug. 0.0300 0.0260 0.0280
21:01-22:00, Mon., 26 Aug. 0.0302 0.0261 0.0279
20:01-21:00, Mon., 26 Aug. 0.0297 0.0264 0.0281
19:01-20:00, Mon., 26 Aug. 0.0304 0.0265 0.0283
18:01-19:00, Mon., 26 Aug. 0.0306 0.0263 0.0280
17:01-18:00, Mon., 26 Aug. 0.0301 0.0264 0.0282
16:01-17:00, Mon., 26 Aug. 0.0309 0.0268 0.0286
15:01-16:00, Mon., 26 Aug. 0.0316 0.0261 0.0285
14:01-15:00, Mon., 26 Aug. 0.0293 0.0258 0.0279
13:01-14:00, Mon., 26 Aug. 0.0300 0.0255 0.0279
12:01-13:00, Mon., 26 Aug. 0.0299 0.0257 0.0277
11:01-12:00, Mon., 26 Aug. 0.0301 0.0259 0.0277
10:01-11:00, Mon., 26 Aug. 0.0300 0.0264 0.0280
09:01-10:00, Mon., 26 Aug. 0.0298 0.0259 0.0277
08:01-09:00, Mon., 26 Aug. 0.0297 0.0265 0.0281
07:01-08:00, Mon., 26 Aug. 0.0300 0.0263 0.0281
06:01-07:00, Mon., 26 Aug. 0.0298 0.0251 0.0279
05:01-06:00, Mon., 26 Aug. 0.0307 0.0256 0.0278
04:01-05:00, Mon., 26 Aug. 0.0307 0.0262 0.0280
03:01-04:00, Mon., 26 Aug. 0.0305 0.0258 0.0282
02:01-03:00, Mon., 26 Aug. 0.0325 0.0277 0.0298
01:01-02:00, Mon., 26 Aug. 0.0375 0.0305 0.0338
00:01-01:00, Mon., 26 Aug. 0.0368 0.0270 0.0302