Measurement results by the hour (Chofu) 18 Sep., 2017 - 24 Sep., 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., 24 Sep. 0.0296 0.0257 0.0279
22:01-23:00, Sun., 24 Sep. 0.0300 0.0264 0.0279
21:01-22:00, Sun., 24 Sep. 0.0295 0.0262 0.0279
20:01-21:00, Sun., 24 Sep. 0.0294 0.0265 0.0280
19:01-20:00, Sun., 24 Sep. 0.0295 0.0264 0.0278
18:01-19:00, Sun., 24 Sep. 0.0304 0.0261 0.0279
17:01-18:00, Sun., 24 Sep. 0.0298 0.0259 0.0278
16:01-17:00, Sun., 24 Sep. 0.0303 0.0266 0.0281
15:01-16:00, Sun., 24 Sep. 0.0308 0.0257 0.0279
14:01-15:00, Sun., 24 Sep. 0.0297 0.0264 0.0279
13:01-14:00, Sun., 24 Sep. 0.0300 0.0252 0.0278
12:01-13:00, Sun., 24 Sep. 0.0305 0.0256 0.0279
11:01-12:00, Sun., 24 Sep. 0.0298 0.0262 0.0280
10:01-11:00, Sun., 24 Sep. 0.0306 0.0266 0.0282
09:01-10:00, Sun., 24 Sep. 0.0306 0.0256 0.0280
08:01-09:00, Sun., 24 Sep. 0.0306 0.0258 0.0280
07:01-08:00, Sun., 24 Sep. 0.0304 0.0265 0.0285
06:01-07:00, Sun., 24 Sep. 0.0299 0.0264 0.0286
05:01-06:00, Sun., 24 Sep. 0.0311 0.0267 0.0285
04:01-05:00, Sun., 24 Sep. 0.0306 0.0264 0.0284
03:01-04:00, Sun., 24 Sep. 0.0303 0.0262 0.0284
02:01-03:00, Sun., 24 Sep. 0.0300 0.0256 0.0280
01:01-02:00, Sun., 24 Sep. 0.0303 0.0259 0.0282
00:01-01:00, Sun., 24 Sep. 0.0308 0.0261 0.0282
23:01-24:00, Sat., 23 Sep. 0.0304 0.0262 0.0281
22:01-23:00, Sat., 23 Sep. 0.0300 0.0257 0.0279
21:01-22:00, Sat., 23 Sep. 0.0291 0.0261 0.0279
20:01-21:00, Sat., 23 Sep. 0.0299 0.0261 0.0276
19:01-20:00, Sat., 23 Sep. 0.0301 0.0251 0.0278
18:01-19:00, Sat., 23 Sep. 0.0304 0.0253 0.0275
17:01-18:00, Sat., 23 Sep. 0.0294 0.0254 0.0274
16:01-17:00, Sat., 23 Sep. 0.0293 0.0257 0.0275
15:01-16:00, Sat., 23 Sep. 0.0294 0.0257 0.0275
14:01-15:00, Sat., 23 Sep. 0.0302 0.0258 0.0276
13:01-14:00, Sat., 23 Sep. 0.0295 0.0252 0.0276
12:01-13:00, Sat., 23 Sep. 0.0304 0.0259 0.0278
11:01-12:00, Sat., 23 Sep. 0.0296 0.0254 0.0277
10:01-11:00, Sat., 23 Sep. 0.0293 0.0266 0.0278
09:01-10:00, Sat., 23 Sep. 0.0308 0.0262 0.0280
08:01-09:00, Sat., 23 Sep. 0.0310 0.0271 0.0288
07:01-08:00, Sat., 23 Sep. 0.0331 0.0290 0.0309
06:01-07:00, Sat., 23 Sep. 0.0403 0.0303 0.0353
05:01-06:00, Sat., 23 Sep. 0.0433 0.0354 0.0386
04:01-05:00, Sat., 23 Sep. 0.0487 0.0368 0.0420
03:01-04:00, Sat., 23 Sep. 0.0550 0.0464 0.0503
02:01-03:00, Sat., 23 Sep. 0.0519 0.0431 0.0468
01:01-02:00, Sat., 23 Sep. 0.0488 0.0337 0.0393
00:01-01:00, Sat., 23 Sep. 0.0403 0.0340 0.0365
23:01-24:00, Fri., 22 Sep. 0.0429 0.0358 0.0389
22:01-23:00, Fri., 22 Sep. 0.0520 0.0407 0.0460
21:01-22:00, Fri., 22 Sep. 0.0496 0.0389 0.0430
20:01-21:00, Fri., 22 Sep. 0.0471 0.0377 0.0430
19:01-20:00, Fri., 22 Sep. 0.0513 0.0429 0.0464
18:01-19:00, Fri., 22 Sep. 0.0450 0.0307 0.0367
17:01-18:00, Fri., 22 Sep. 0.0344 0.0291 0.0316
16:01-17:00, Fri., 22 Sep. 0.0371 0.0323 0.0346
15:01-16:00, Fri., 22 Sep. 0.0355 0.0284 0.0319
14:01-15:00, Fri., 22 Sep. 0.0329 0.0288 0.0309
13:01-14:00, Fri., 22 Sep. 0.0316 0.0282 0.0299
12:01-13:00, Fri., 22 Sep. 0.0326 0.0278 0.0297
11:01-12:00, Fri., 22 Sep. 0.0314 0.0281 0.0297
10:01-11:00, Fri., 22 Sep. 0.0321 0.0274 0.0302
09:01-10:00, Fri., 22 Sep. 0.0323 0.0292 0.0308
08:01-09:00, Fri., 22 Sep. 0.0364 0.0292 0.0323
07:01-08:00, Fri., 22 Sep. 0.0355 0.0288 0.0319
06:01-07:00, Fri., 22 Sep. 0.0317 0.0286 0.0303
05:01-06:00, Fri., 22 Sep. 0.0319 0.0276 0.0300
04:01-05:00, Fri., 22 Sep. 0.0322 0.0276 0.0302
03:01-04:00, Fri., 22 Sep. 0.0325 0.0285 0.0301
02:01-03:00, Fri., 22 Sep. 0.0322 0.0275 0.0299
01:01-02:00, Fri., 22 Sep. 0.0325 0.0277 0.0301
00:01-01:00, Fri., 22 Sep. 0.0318 0.0276 0.0302
23:01-24:00, Thu., 21 Sep. 0.0319 0.0274 0.0293
22:01-23:00, Thu., 21 Sep. 0.0312 0.0273 0.0291
21:01-22:00, Thu., 21 Sep. 0.0314 0.0271 0.0291
20:01-21:00, Thu., 21 Sep. 0.0306 0.0270 0.0289
19:01-20:00, Thu., 21 Sep. 0.0311 0.0265 0.0291
18:01-19:00, Thu., 21 Sep. 0.0319 0.0272 0.0289
17:01-18:00, Thu., 21 Sep. 0.0309 0.0271 0.0292
16:01-17:00, Thu., 21 Sep. 0.0308 0.0270 0.0288
15:01-16:00, Thu., 21 Sep. 0.0308 0.0267 0.0287
14:01-15:00, Thu., 21 Sep. 0.0311 0.0269 0.0290
13:01-14:00, Thu., 21 Sep. 0.0312 0.0275 0.0291
12:01-13:00, Thu., 21 Sep. 0.0311 0.0272 0.0289
11:01-12:00, Thu., 21 Sep. 0.0313 0.0270 0.0289
10:01-11:00, Thu., 21 Sep. 0.0309 0.0267 0.0288
09:01-10:00, Thu., 21 Sep. 0.0310 0.0275 0.0294
08:01-09:00, Thu., 21 Sep. 0.0309 0.0279 0.0293
07:01-08:00, Thu., 21 Sep. 0.0315 0.0284 0.0300
06:01-07:00, Thu., 21 Sep. 0.0321 0.0288 0.0302
05:01-06:00, Thu., 21 Sep. 0.0317 0.0279 0.0298
04:01-05:00, Thu., 21 Sep. 0.0318 0.0280 0.0295
03:01-04:00, Thu., 21 Sep. 0.0310 0.0268 0.0291
02:01-03:00, Thu., 21 Sep. 0.0315 0.0277 0.0296
01:01-02:00, Thu., 21 Sep. 0.0320 0.0285 0.0301
00:01-01:00, Thu., 21 Sep. 0.0325 0.0282 0.0302
23:01-24:00, Wed., 20 Sep. 0.0315 0.0280 0.0296
22:01-23:00, Wed., 20 Sep. 0.0313 0.0273 0.0291
21:01-22:00, Wed., 20 Sep. 0.0311 0.0278 0.0292
20:01-21:00, Wed., 20 Sep. 0.0307 0.0273 0.0290
19:01-20:00, Wed., 20 Sep. 0.0308 0.0269 0.0291
18:01-19:00, Wed., 20 Sep. 0.0309 0.0272 0.0289
17:01-18:00, Wed., 20 Sep. 0.0306 0.0263 0.0288
16:01-17:00, Wed., 20 Sep. 0.0305 0.0270 0.0288
15:01-16:00, Wed., 20 Sep. 0.0309 0.0272 0.0288
14:01-15:00, Wed., 20 Sep. 0.0309 0.0270 0.0288
13:01-14:00, Wed., 20 Sep. 0.0302 0.0269 0.0285
12:01-13:00, Wed., 20 Sep. 0.0307 0.0269 0.0285
11:01-12:00, Wed., 20 Sep. 0.0305 0.0272 0.0287
10:01-11:00, Wed., 20 Sep. 0.0314 0.0268 0.0290
09:01-10:00, Wed., 20 Sep. 0.0314 0.0273 0.0290
08:01-09:00, Wed., 20 Sep. 0.0312 0.0269 0.0288
07:01-08:00, Wed., 20 Sep. 0.0306 0.0267 0.0288
06:01-07:00, Wed., 20 Sep. 0.0307 0.0271 0.0288
05:01-06:00, Wed., 20 Sep. 0.0307 0.0261 0.0288
04:01-05:00, Wed., 20 Sep. 0.0309 0.0261 0.0283
03:01-04:00, Wed., 20 Sep. 0.0302 0.0263 0.0283
02:01-03:00, Wed., 20 Sep. 0.0304 0.0269 0.0285
01:01-02:00, Wed., 20 Sep. 0.0311 0.0263 0.0284
00:01-01:00, Wed., 20 Sep. 0.0299 0.0263 0.0283
23:01-24:00, Tue., 19 Sep. 0.0306 0.0265 0.0287
22:01-23:00, Tue., 19 Sep. 0.0321 0.0265 0.0290
21:01-22:00, Tue., 19 Sep. 0.0312 0.0273 0.0289
20:01-21:00, Tue., 19 Sep. 0.0311 0.0269 0.0285
19:01-20:00, Tue., 19 Sep. 0.0311 0.0263 0.0283
18:01-19:00, Tue., 19 Sep. 0.0305 0.0262 0.0282
17:01-18:00, Tue., 19 Sep. 0.0309 0.0256 0.0281
16:01-17:00, Tue., 19 Sep. 0.0302 0.0258 0.0281
15:01-16:00, Tue., 19 Sep. 0.0301 0.0260 0.0280
14:01-15:00, Tue., 19 Sep. 0.0307 0.0255 0.0280
13:01-14:00, Tue., 19 Sep. 0.0296 0.0254 0.0278
12:01-13:00, Tue., 19 Sep. 0.0299 0.0260 0.0278
11:01-12:00, Tue., 19 Sep. 0.0297 0.0262 0.0281
10:01-11:00, Tue., 19 Sep. 0.0300 0.0256 0.0282
09:01-10:00, Tue., 19 Sep. 0.0305 0.0257 0.0281
08:01-09:00, Tue., 19 Sep. 0.0307 0.0270 0.0285
07:01-08:00, Tue., 19 Sep. 0.0300 0.0261 0.0284
06:01-07:00, Tue., 19 Sep. 0.0300 0.0266 0.0285
05:01-06:00, Tue., 19 Sep. 0.0299 0.0269 0.0282
04:01-05:00, Tue., 19 Sep. 0.0305 0.0260 0.0280
03:01-04:00, Tue., 19 Sep. 0.0311 0.0262 0.0282
02:01-03:00, Tue., 19 Sep. 0.0302 0.0262 0.0280
01:01-02:00, Tue., 19 Sep. 0.0297 0.0260 0.0279
00:01-01:00, Tue., 19 Sep. 0.0300 0.0262 0.0280
23:01-24:00, Mon., 18 Sep. 0.0294 0.0260 0.0277
22:01-23:00, Mon., 18 Sep. 0.0299 0.0256 0.0280
21:01-22:00, Mon., 18 Sep. 0.0302 0.0263 0.0280
20:01-21:00, Mon., 18 Sep. 0.0299 0.0255 0.0280
19:01-20:00, Mon., 18 Sep. 0.0297 0.0263 0.0279
18:01-19:00, Mon., 18 Sep. 0.0301 0.0252 0.0278
17:01-18:00, Mon., 18 Sep. 0.0299 0.0260 0.0280
16:01-17:00, Mon., 18 Sep. 0.0303 0.0261 0.0278
15:01-16:00, Mon., 18 Sep. 0.0300 0.0262 0.0280
14:01-15:00, Mon., 18 Sep. 0.0293 0.0259 0.0280
13:01-14:00, Mon., 18 Sep. 0.0296 0.0262 0.0280
12:01-13:00, Mon., 18 Sep. 0.0296 0.0253 0.0278
11:01-12:00, Mon., 18 Sep. 0.0297 0.0263 0.0278
10:01-11:00, Mon., 18 Sep. 0.0294 0.0262 0.0276
09:01-10:00, Mon., 18 Sep. 0.0292 0.0259 0.0275
08:01-09:00, Mon., 18 Sep. 0.0302 0.0259 0.0275
07:01-08:00, Mon., 18 Sep. 0.0297 0.0258 0.0277
06:01-07:00, Mon., 18 Sep. 0.0297 0.0256 0.0277
05:01-06:00, Mon., 18 Sep. 0.0300 0.0266 0.0282
04:01-05:00, Mon., 18 Sep. 0.0300 0.0261 0.0284
03:01-04:00, Mon., 18 Sep. 0.0324 0.0275 0.0294
02:01-03:00, Mon., 18 Sep. 0.0377 0.0290 0.0332
01:01-02:00, Mon., 18 Sep. 0.0369 0.0309 0.0347
00:01-01:00, Mon., 18 Sep. 0.0324 0.0274 0.0293