Measurement results by the hour (Chofu) 21 Oct., 2019 - 27 Oct., 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., 27 Oct. 0.0297 0.0259 0.0277
22:01-23:00, Sun., 27 Oct. 0.0299 0.0255 0.0276
21:01-22:00, Sun., 27 Oct. 0.0293 0.0252 0.0274
20:01-21:00, Sun., 27 Oct. 0.0297 0.0260 0.0277
19:01-20:00, Sun., 27 Oct. 0.0289 0.0259 0.0274
18:01-19:00, Sun., 27 Oct. 0.0298 0.0259 0.0277
17:01-18:00, Sun., 27 Oct. 0.0291 0.0257 0.0274
16:01-17:00, Sun., 27 Oct. 0.0291 0.0247 0.0272
15:01-16:00, Sun., 27 Oct. 0.0293 0.0244 0.0271
14:01-15:00, Sun., 27 Oct. 0.0288 0.0258 0.0275
13:01-14:00, Sun., 27 Oct. 0.0298 0.0254 0.0276
12:01-13:00, Sun., 27 Oct. 0.0294 0.0263 0.0278
11:01-12:00, Sun., 27 Oct. 0.0299 0.0263 0.0283
10:01-11:00, Sun., 27 Oct. 0.0302 0.0264 0.0283
09:01-10:00, Sun., 27 Oct. 0.0295 0.0268 0.0284
08:01-09:00, Sun., 27 Oct. 0.0312 0.0271 0.0288
07:01-08:00, Sun., 27 Oct. 0.0307 0.0266 0.0287
06:01-07:00, Sun., 27 Oct. 0.0307 0.0260 0.0286
05:01-06:00, Sun., 27 Oct. 0.0304 0.0263 0.0283
04:01-05:00, Sun., 27 Oct. 0.0307 0.0266 0.0285
03:01-04:00, Sun., 27 Oct. 0.0309 0.0272 0.0287
02:01-03:00, Sun., 27 Oct. 0.0304 0.0268 0.0286
01:01-02:00, Sun., 27 Oct. 0.0301 0.0265 0.0283
00:01-01:00, Sun., 27 Oct. 0.0310 0.0268 0.0286
23:01-24:00, Sat., 26 Oct. 0.0306 0.0260 0.0282
22:01-23:00, Sat., 26 Oct. 0.0294 0.0253 0.0274
21:01-22:00, Sat., 26 Oct. 0.0301 0.0258 0.0275
20:01-21:00, Sat., 26 Oct. 0.0291 0.0252 0.0274
19:01-20:00, Sat., 26 Oct. 0.0289 0.0248 0.0272
18:01-19:00, Sat., 26 Oct. 0.0293 0.0256 0.0272
17:01-18:00, Sat., 26 Oct. 0.0285 0.0253 0.0268
16:01-17:00, Sat., 26 Oct. 0.0290 0.0247 0.0271
15:01-16:00, Sat., 26 Oct. 0.0288 0.0253 0.0270
14:01-15:00, Sat., 26 Oct. 0.0284 0.0253 0.0269
13:01-14:00, Sat., 26 Oct. 0.0289 0.0252 0.0272
12:01-13:00, Sat., 26 Oct. 0.0294 0.0254 0.0271
11:01-12:00, Sat., 26 Oct. 0.0291 0.0259 0.0273
10:01-11:00, Sat., 26 Oct. 0.0291 0.0248 0.0272
09:01-10:00, Sat., 26 Oct. 0.0304 0.0256 0.0279
08:01-09:00, Sat., 26 Oct. 0.0299 0.0261 0.0278
07:01-08:00, Sat., 26 Oct. 0.0298 0.0266 0.0280
06:01-07:00, Sat., 26 Oct. 0.0305 0.0267 0.0280
05:01-06:00, Sat., 26 Oct. 0.0295 0.0254 0.0278
04:01-05:00, Sat., 26 Oct. 0.0299 0.0256 0.0278
03:01-04:00, Sat., 26 Oct. 0.0298 0.0261 0.0278
02:01-03:00, Sat., 26 Oct. 0.0304 0.0258 0.0279
01:01-02:00, Sat., 26 Oct. 0.0302 0.0264 0.0281
00:01-01:00, Sat., 26 Oct. 0.0303 0.0257 0.0278
23:01-24:00, Fri., 25 Oct. 0.0293 0.0259 0.0276
22:01-23:00, Fri., 25 Oct. 0.0299 0.0252 0.0275
21:01-22:00, Fri., 25 Oct. 0.0288 0.0257 0.0272
20:01-21:00, Fri., 25 Oct. 0.0307 0.0254 0.0280
19:01-20:00, Fri., 25 Oct. 0.0333 0.0272 0.0304
18:01-19:00, Fri., 25 Oct. 0.0346 0.0276 0.0307
17:01-18:00, Fri., 25 Oct. 0.0345 0.0272 0.0307
16:01-17:00, Fri., 25 Oct. 0.0453 0.0326 0.0380
15:01-16:00, Fri., 25 Oct. 0.0575 0.0403 0.0499
14:01-15:00, Fri., 25 Oct. 0.0593 0.0484 0.0547
13:01-14:00, Fri., 25 Oct. 0.0591 0.0404 0.0511
12:01-13:00, Fri., 25 Oct. 0.0477 0.0381 0.0441
11:01-12:00, Fri., 25 Oct. 0.0450 0.0382 0.0412
10:01-11:00, Fri., 25 Oct. 0.0433 0.0363 0.0397
09:01-10:00, Fri., 25 Oct. 0.0447 0.0360 0.0389
08:01-09:00, Fri., 25 Oct. 0.0452 0.0390 0.0423
07:01-08:00, Fri., 25 Oct. 0.0450 0.0383 0.0419
06:01-07:00, Fri., 25 Oct. 0.0449 0.0367 0.0406
05:01-06:00, Fri., 25 Oct. 0.0401 0.0285 0.0348
04:01-05:00, Fri., 25 Oct. 0.0322 0.0256 0.0284
03:01-04:00, Fri., 25 Oct. 0.0293 0.0253 0.0271
02:01-03:00, Fri., 25 Oct. 0.0289 0.0252 0.0270
01:01-02:00, Fri., 25 Oct. 0.0299 0.0255 0.0273
00:01-01:00, Fri., 25 Oct. 0.0289 0.0252 0.0271
23:01-24:00, Thu., 24 Oct. 0.0295 0.0263 0.0279
22:01-23:00, Thu., 24 Oct. 0.0308 0.0269 0.0289
21:01-22:00, Thu., 24 Oct. 0.0294 0.0257 0.0276
20:01-21:00, Thu., 24 Oct. 0.0298 0.0251 0.0276
19:01-20:00, Thu., 24 Oct. 0.0288 0.0257 0.0270
18:01-19:00, Thu., 24 Oct. 0.0297 0.0248 0.0270
17:01-18:00, Thu., 24 Oct. 0.0291 0.0250 0.0270
16:01-17:00, Thu., 24 Oct. 0.0290 0.0251 0.0268
15:01-16:00, Thu., 24 Oct. 0.0288 0.0247 0.0269
14:01-15:00, Thu., 24 Oct. 0.0290 0.0253 0.0269
13:01-14:00, Thu., 24 Oct. 0.0285 0.0245 0.0267
12:01-13:00, Thu., 24 Oct. 0.0292 0.0249 0.0267
11:01-12:00, Thu., 24 Oct. 0.0287 0.0254 0.0269
10:01-11:00, Thu., 24 Oct. 0.0283 0.0251 0.0269
09:01-10:00, Thu., 24 Oct. 0.0293 0.0240 0.0270
08:01-09:00, Thu., 24 Oct. 0.0301 0.0255 0.0271
07:01-08:00, Thu., 24 Oct. 0.0290 0.0250 0.0271
06:01-07:00, Thu., 24 Oct. 0.0284 0.0252 0.0270
05:01-06:00, Thu., 24 Oct. 0.0295 0.0252 0.0269
04:01-05:00, Thu., 24 Oct. 0.0285 0.0245 0.0267
03:01-04:00, Thu., 24 Oct. 0.0289 0.0249 0.0269
02:01-03:00, Thu., 24 Oct. 0.0285 0.0248 0.0270
01:01-02:00, Thu., 24 Oct. 0.0288 0.0253 0.0269
00:01-01:00, Thu., 24 Oct. 0.0284 0.0255 0.0268
23:01-24:00, Wed., 23 Oct. 0.0289 0.0249 0.0270
22:01-23:00, Wed., 23 Oct. 0.0291 0.0249 0.0266
21:01-22:00, Wed., 23 Oct. 0.0289 0.0248 0.0267
20:01-21:00, Wed., 23 Oct. 0.0287 0.0242 0.0267
19:01-20:00, Wed., 23 Oct. 0.0285 0.0249 0.0267
18:01-19:00, Wed., 23 Oct. 0.0287 0.0251 0.0267
17:01-18:00, Wed., 23 Oct. 0.0285 0.0249 0.0269
16:01-17:00, Wed., 23 Oct. 0.0293 0.0255 0.0269
15:01-16:00, Wed., 23 Oct. 0.0299 0.0252 0.0270
14:01-15:00, Wed., 23 Oct. 0.0297 0.0251 0.0271
13:01-14:00, Wed., 23 Oct. 0.0291 0.0252 0.0271
12:01-13:00, Wed., 23 Oct. 0.0295 0.0252 0.0269
11:01-12:00, Wed., 23 Oct. 0.0293 0.0251 0.0270
10:01-11:00, Wed., 23 Oct. 0.0286 0.0254 0.0272
09:01-10:00, Wed., 23 Oct. 0.0288 0.0259 0.0275
08:01-09:00, Wed., 23 Oct. 0.0299 0.0262 0.0280
07:01-08:00, Wed., 23 Oct. 0.0298 0.0264 0.0283
06:01-07:00, Wed., 23 Oct. 0.0310 0.0260 0.0285
05:01-06:00, Wed., 23 Oct. 0.0305 0.0263 0.0283
04:01-05:00, Wed., 23 Oct. 0.0300 0.0266 0.0283
03:01-04:00, Wed., 23 Oct. 0.0302 0.0260 0.0282
02:01-03:00, Wed., 23 Oct. 0.0293 0.0256 0.0279
01:01-02:00, Wed., 23 Oct. 0.0303 0.0258 0.0278
00:01-01:00, Wed., 23 Oct. 0.0289 0.0252 0.0271
23:01-24:00, Tue., 22 Oct. 0.0288 0.0247 0.0268
22:01-23:00, Tue., 22 Oct. 0.0282 0.0248 0.0267
21:01-22:00, Tue., 22 Oct. 0.0284 0.0238 0.0267
20:01-21:00, Tue., 22 Oct. 0.0287 0.0248 0.0267
19:01-20:00, Tue., 22 Oct. 0.0287 0.0250 0.0267
18:01-19:00, Tue., 22 Oct. 0.0287 0.0244 0.0268
17:01-18:00, Tue., 22 Oct. 0.0295 0.0254 0.0271
16:01-17:00, Tue., 22 Oct. 0.0295 0.0252 0.0272
15:01-16:00, Tue., 22 Oct. 0.0303 0.0258 0.0283
14:01-15:00, Tue., 22 Oct. 0.0300 0.0259 0.0284
13:01-14:00, Tue., 22 Oct. 0.0360 0.0276 0.0311
12:01-13:00, Tue., 22 Oct. 0.0397 0.0329 0.0361
11:01-12:00, Tue., 22 Oct. 0.0427 0.0360 0.0395
10:01-11:00, Tue., 22 Oct. 0.0430 0.0363 0.0390
09:01-10:00, Tue., 22 Oct. 0.0512 0.0393 0.0458
08:01-09:00, Tue., 22 Oct. 0.0512 0.0409 0.0442
07:01-08:00, Tue., 22 Oct. 0.0464 0.0378 0.0424
06:01-07:00, Tue., 22 Oct. 0.0448 0.0358 0.0396
05:01-06:00, Tue., 22 Oct. 0.0489 0.0410 0.0451
04:01-05:00, Tue., 22 Oct. 0.0485 0.0416 0.0451
03:01-04:00, Tue., 22 Oct. 0.0491 0.0407 0.0443
02:01-03:00, Tue., 22 Oct. 0.0461 0.0389 0.0428
01:01-02:00, Tue., 22 Oct. 0.0449 0.0368 0.0408
00:01-01:00, Tue., 22 Oct. 0.0401 0.0331 0.0358
23:01-24:00, Mon., 21 Oct. 0.0367 0.0316 0.0336
22:01-23:00, Mon., 21 Oct. 0.0342 0.0297 0.0317
21:01-22:00, Mon., 21 Oct. 0.0333 0.0272 0.0303
20:01-21:00, Mon., 21 Oct. 0.0308 0.0259 0.0284
19:01-20:00, Mon., 21 Oct. 0.0301 0.0261 0.0280
18:01-19:00, Mon., 21 Oct. 0.0305 0.0268 0.0284
17:01-18:00, Mon., 21 Oct. 0.0300 0.0257 0.0278
16:01-17:00, Mon., 21 Oct. 0.0298 0.0257 0.0271
15:01-16:00, Mon., 21 Oct. 0.0289 0.0252 0.0271
14:01-15:00, Mon., 21 Oct. 0.0286 0.0260 0.0271
13:01-14:00, Mon., 21 Oct. 0.0291 0.0239 0.0269
12:01-13:00, Mon., 21 Oct. 0.0296 0.0250 0.0273
11:01-12:00, Mon., 21 Oct. 0.0287 0.0248 0.0271
10:01-11:00, Mon., 21 Oct. 0.0297 0.0258 0.0271
09:01-10:00, Mon., 21 Oct. 0.0288 0.0252 0.0271
08:01-09:00, Mon., 21 Oct. 0.0294 0.0249 0.0271
07:01-08:00, Mon., 21 Oct. 0.0291 0.0250 0.0271
06:01-07:00, Mon., 21 Oct. 0.0295 0.0258 0.0274
05:01-06:00, Mon., 21 Oct. 0.0291 0.0256 0.0272
04:01-05:00, Mon., 21 Oct. 0.0291 0.0256 0.0270
03:01-04:00, Mon., 21 Oct. 0.0289 0.0250 0.0270
02:01-03:00, Mon., 21 Oct. 0.0283 0.0253 0.0271
01:01-02:00, Mon., 21 Oct. 0.0293 0.0255 0.0273
00:01-01:00, Mon., 21 Oct. 0.0291 0.0246 0.0270