Measurement results by the hour (Chofu) 21 Sep., 2015 - 27 Sep., 2015

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 Sep. 0.0318 0.0287 0.0301
22:01-23:00, Sun., 27 Sep. 0.0322 0.0282 0.0298
21:01-22:00, Sun., 27 Sep. 0.0318 0.0278 0.0298
20:01-21:00, Sun., 27 Sep. 0.0313 0.0284 0.0298
19:01-20:00, Sun., 27 Sep. 0.0313 0.0279 0.0297
18:01-19:00, Sun., 27 Sep. 0.0318 0.0281 0.0295
17:01-18:00, Sun., 27 Sep. 0.0317 0.0277 0.0295
16:01-17:00, Sun., 27 Sep. 0.0313 0.0275 0.0294
15:01-16:00, Sun., 27 Sep. 0.0316 0.0275 0.0297
14:01-15:00, Sun., 27 Sep. 0.0320 0.0274 0.0295
13:01-14:00, Sun., 27 Sep. 0.0315 0.0272 0.0296
12:01-13:00, Sun., 27 Sep. 0.0307 0.0280 0.0293
11:01-12:00, Sun., 27 Sep. 0.0311 0.0277 0.0292
10:01-11:00, Sun., 27 Sep. 0.0308 0.0276 0.0294
09:01-10:00, Sun., 27 Sep. 0.0316 0.0270 0.0293
08:01-09:00, Sun., 27 Sep. 0.0309 0.0258 0.0290
07:01-08:00, Sun., 27 Sep. 0.0310 0.0267 0.0288
06:01-07:00, Sun., 27 Sep. 0.0321 0.0274 0.0291
05:01-06:00, Sun., 27 Sep. 0.0307 0.0270 0.0291
04:01-05:00, Sun., 27 Sep. 0.0310 0.0268 0.0289
03:01-04:00, Sun., 27 Sep. 0.0310 0.0274 0.0289
02:01-03:00, Sun., 27 Sep. 0.0313 0.0274 0.0289
01:01-02:00, Sun., 27 Sep. 0.0310 0.0275 0.0293
00:01-01:00, Sun., 27 Sep. 0.0321 0.0279 0.0302
23:01-24:00, Sat., 26 Sep. 0.0316 0.0275 0.0293
22:01-23:00, Sat., 26 Sep. 0.0316 0.0276 0.0292
21:01-22:00, Sat., 26 Sep. 0.0307 0.0271 0.0292
20:01-21:00, Sat., 26 Sep. 0.0311 0.0274 0.0293
19:01-20:00, Sat., 26 Sep. 0.0305 0.0272 0.0291
18:01-19:00, Sat., 26 Sep. 0.0314 0.0275 0.0291
17:01-18:00, Sat., 26 Sep. 0.0308 0.0275 0.0291
16:01-17:00, Sat., 26 Sep. 0.0311 0.0276 0.0290
15:01-16:00, Sat., 26 Sep. 0.0316 0.0273 0.0292
14:01-15:00, Sat., 26 Sep. 0.0308 0.0266 0.0290
13:01-14:00, Sat., 26 Sep. 0.0316 0.0270 0.0290
12:01-13:00, Sat., 26 Sep. 0.0313 0.0271 0.0290
11:01-12:00, Sat., 26 Sep. 0.0312 0.0259 0.0287
10:01-11:00, Sat., 26 Sep. 0.0304 0.0268 0.0288
09:01-10:00, Sat., 26 Sep. 0.0309 0.0263 0.0289
08:01-09:00, Sat., 26 Sep. 0.0316 0.0278 0.0295
07:01-08:00, Sat., 26 Sep. 0.0314 0.0282 0.0300
06:01-07:00, Sat., 26 Sep. 0.0311 0.0279 0.0296
05:01-06:00, Sat., 26 Sep. 0.0320 0.0286 0.0304
04:01-05:00, Sat., 26 Sep. 0.0340 0.0293 0.0315
03:01-04:00, Sat., 26 Sep. 0.0372 0.0310 0.0343
02:01-03:00, Sat., 26 Sep. 0.0397 0.0321 0.0355
01:01-02:00, Sat., 26 Sep. 0.0409 0.0334 0.0372
00:01-01:00, Sat., 26 Sep. 0.0395 0.0310 0.0350
23:01-24:00, Fri., 25 Sep. 0.0358 0.0311 0.0331
22:01-23:00, Fri., 25 Sep. 0.0350 0.0311 0.0332
21:01-22:00, Fri., 25 Sep. 0.0365 0.0318 0.0346
20:01-21:00, Fri., 25 Sep. 0.0374 0.0325 0.0345
19:01-20:00, Fri., 25 Sep. 0.0364 0.0318 0.0338
18:01-19:00, Fri., 25 Sep. 0.0371 0.0326 0.0346
17:01-18:00, Fri., 25 Sep. 0.0411 0.0331 0.0362
16:01-17:00, Fri., 25 Sep. 0.0436 0.0368 0.0397
15:01-16:00, Fri., 25 Sep. 0.0415 0.0360 0.0389
14:01-15:00, Fri., 25 Sep. 0.0439 0.0361 0.0398
13:01-14:00, Fri., 25 Sep. 0.0451 0.0379 0.0411
12:01-13:00, Fri., 25 Sep. 0.0431 0.0365 0.0395
11:01-12:00, Fri., 25 Sep. 0.0440 0.0361 0.0401
10:01-11:00, Fri., 25 Sep. 0.0476 0.0348 0.0399
09:01-10:00, Fri., 25 Sep. 0.0525 0.0434 0.0477
08:01-09:00, Fri., 25 Sep. 0.0533 0.0443 0.0486
07:01-08:00, Fri., 25 Sep. 0.0478 0.0420 0.0452
06:01-07:00, Fri., 25 Sep. 0.0524 0.0443 0.0482
05:01-06:00, Fri., 25 Sep. 0.0485 0.0373 0.0428
04:01-05:00, Fri., 25 Sep. 0.0462 0.0369 0.0415
03:01-04:00, Fri., 25 Sep. 0.0437 0.0364 0.0392
02:01-03:00, Fri., 25 Sep. 0.0428 0.0308 0.0355
01:01-02:00, Fri., 25 Sep. 0.0346 0.0292 0.0322
00:01-01:00, Fri., 25 Sep. 0.0332 0.0299 0.0314
23:01-24:00, Thu., 24 Sep. 0.0322 0.0287 0.0306
22:01-23:00, Thu., 24 Sep. 0.0334 0.0291 0.0311
21:01-22:00, Thu., 24 Sep. 0.0351 0.0292 0.0321
20:01-21:00, Thu., 24 Sep. 0.0358 0.0319 0.0340
19:01-20:00, Thu., 24 Sep. 0.0380 0.0330 0.0355
18:01-19:00, Thu., 24 Sep. 0.0401 0.0339 0.0363
17:01-18:00, Thu., 24 Sep. 0.0396 0.0342 0.0361
16:01-17:00, Thu., 24 Sep. 0.0368 0.0311 0.0339
15:01-16:00, Thu., 24 Sep. 0.0334 0.0295 0.0313
14:01-15:00, Thu., 24 Sep. 0.0328 0.0289 0.0309
13:01-14:00, Thu., 24 Sep. 0.0327 0.0288 0.0310
12:01-13:00, Thu., 24 Sep. 0.0338 0.0288 0.0313
11:01-12:00, Thu., 24 Sep. 0.0334 0.0294 0.0312
10:01-11:00, Thu., 24 Sep. 0.0335 0.0295 0.0313
09:01-10:00, Thu., 24 Sep. 0.0338 0.0292 0.0313
08:01-09:00, Thu., 24 Sep. 0.0335 0.0288 0.0314
07:01-08:00, Thu., 24 Sep. 0.0338 0.0285 0.0317
06:01-07:00, Thu., 24 Sep. 0.0334 0.0295 0.0315
05:01-06:00, Thu., 24 Sep. 0.0337 0.0302 0.0320
04:01-05:00, Thu., 24 Sep. 0.0341 0.0303 0.0324
03:01-04:00, Thu., 24 Sep. 0.0341 0.0299 0.0321
02:01-03:00, Thu., 24 Sep. 0.0341 0.0295 0.0318
01:01-02:00, Thu., 24 Sep. 0.0337 0.0283 0.0318
00:01-01:00, Thu., 24 Sep. 0.0349 0.0297 0.0314
23:01-24:00, Wed., 23 Sep. 0.0330 0.0288 0.0308
22:01-23:00, Wed., 23 Sep. 0.0329 0.0283 0.0302
21:01-22:00, Wed., 23 Sep. 0.0323 0.0279 0.0302
20:01-21:00, Wed., 23 Sep. 0.0322 0.0279 0.0303
19:01-20:00, Wed., 23 Sep. 0.0321 0.0282 0.0304
18:01-19:00, Wed., 23 Sep. 0.0325 0.0282 0.0303
17:01-18:00, Wed., 23 Sep. 0.0324 0.0285 0.0304
16:01-17:00, Wed., 23 Sep. 0.0320 0.0287 0.0302
15:01-16:00, Wed., 23 Sep. 0.0319 0.0279 0.0302
14:01-15:00, Wed., 23 Sep. 0.0318 0.0286 0.0302
13:01-14:00, Wed., 23 Sep. 0.0329 0.0280 0.0303
12:01-13:00, Wed., 23 Sep. 0.0323 0.0275 0.0304
11:01-12:00, Wed., 23 Sep. 0.0325 0.0278 0.0303
10:01-11:00, Wed., 23 Sep. 0.0321 0.0288 0.0304
09:01-10:00, Wed., 23 Sep. 0.0334 0.0291 0.0309
08:01-09:00, Wed., 23 Sep. 0.0334 0.0291 0.0312
07:01-08:00, Wed., 23 Sep. 0.0342 0.0295 0.0316
06:01-07:00, Wed., 23 Sep. 0.0329 0.0297 0.0314
05:01-06:00, Wed., 23 Sep. 0.0328 0.0290 0.0311
04:01-05:00, Wed., 23 Sep. 0.0338 0.0294 0.0316
03:01-04:00, Wed., 23 Sep. 0.0336 0.0300 0.0317
02:01-03:00, Wed., 23 Sep. 0.0333 0.0292 0.0311
01:01-02:00, Wed., 23 Sep. 0.0329 0.0287 0.0308
00:01-01:00, Wed., 23 Sep. 0.0320 0.0280 0.0304
23:01-24:00, Tue., 22 Sep. 0.0326 0.0285 0.0301
22:01-23:00, Tue., 22 Sep. 0.0315 0.0285 0.0302
21:01-22:00, Tue., 22 Sep. 0.0315 0.0279 0.0301
20:01-21:00, Tue., 22 Sep. 0.0328 0.0281 0.0303
19:01-20:00, Tue., 22 Sep. 0.0328 0.0286 0.0301
18:01-19:00, Tue., 22 Sep. 0.0330 0.0284 0.0305
17:01-18:00, Tue., 22 Sep. 0.0335 0.0284 0.0305
16:01-17:00, Tue., 22 Sep. 0.0324 0.0283 0.0306
15:01-16:00, Tue., 22 Sep. 0.0327 0.0276 0.0303
14:01-15:00, Tue., 22 Sep. 0.0331 0.0279 0.0300
13:01-14:00, Tue., 22 Sep. 0.0325 0.0287 0.0302
12:01-13:00, Tue., 22 Sep. 0.0320 0.0284 0.0303
11:01-12:00, Tue., 22 Sep. 0.0329 0.0287 0.0305
10:01-11:00, Tue., 22 Sep. 0.0324 0.0284 0.0304
09:01-10:00, Tue., 22 Sep. 0.0323 0.0278 0.0303
08:01-09:00, Tue., 22 Sep. 0.0327 0.0278 0.0304
07:01-08:00, Tue., 22 Sep. 0.0323 0.0290 0.0306
06:01-07:00, Tue., 22 Sep. 0.0329 0.0278 0.0305
05:01-06:00, Tue., 22 Sep. 0.0325 0.0287 0.0304
04:01-05:00, Tue., 22 Sep. 0.0328 0.0290 0.0308
03:01-04:00, Tue., 22 Sep. 0.0335 0.0290 0.0310
02:01-03:00, Tue., 22 Sep. 0.0334 0.0283 0.0302
01:01-02:00, Tue., 22 Sep. 0.0315 0.0285 0.0299
00:01-01:00, Tue., 22 Sep. 0.0312 0.0275 0.0296
23:01-24:00, Mon., 21 Sep. 0.0327 0.0286 0.0298
22:01-23:00, Mon., 21 Sep. 0.0318 0.0270 0.0296
21:01-22:00, Mon., 21 Sep. 0.0316 0.0278 0.0298
20:01-21:00, Mon., 21 Sep. 0.0316 0.0282 0.0297
19:01-20:00, Mon., 21 Sep. 0.0309 0.0279 0.0295
18:01-19:00, Mon., 21 Sep. 0.0314 0.0274 0.0298
17:01-18:00, Mon., 21 Sep. 0.0324 0.0284 0.0299
16:01-17:00, Mon., 21 Sep. 0.0314 0.0280 0.0297
15:01-16:00, Mon., 21 Sep. 0.0317 0.0281 0.0301
14:01-15:00, Mon., 21 Sep. 0.0323 0.0282 0.0299
13:01-14:00, Mon., 21 Sep. 0.0323 0.0271 0.0299
12:01-13:00, Mon., 21 Sep. 0.0324 0.0273 0.0298
11:01-12:00, Mon., 21 Sep. 0.0315 0.0280 0.0302
10:01-11:00, Mon., 21 Sep. 0.0320 0.0276 0.0299
09:01-10:00, Mon., 21 Sep. 0.0317 0.0275 0.0298
08:01-09:00, Mon., 21 Sep. 0.0320 0.0279 0.0299
07:01-08:00, Mon., 21 Sep. 0.0319 0.0286 0.0301
06:01-07:00, Mon., 21 Sep. 0.0326 0.0283 0.0301
05:01-06:00, Mon., 21 Sep. 0.0318 0.0282 0.0301
04:01-05:00, Mon., 21 Sep. 0.0319 0.0282 0.0302
03:01-04:00, Mon., 21 Sep. 0.0332 0.0276 0.0301
02:01-03:00, Mon., 21 Sep. 0.0317 0.0277 0.0301
01:01-02:00, Mon., 21 Sep. 0.0310 0.0282 0.0296
00:01-01:00, Mon., 21 Sep. 0.0324 0.0283 0.0297