Measurement results by the hour (Chofu) 9 Oct., 2017 - 15 Oct., 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., 15 Oct. 0.0390 0.0332 0.0359
22:01-23:00, Sun., 15 Oct. 0.0405 0.0351 0.0377
21:01-22:00, Sun., 15 Oct. 0.0413 0.0352 0.0373
20:01-21:00, Sun., 15 Oct. 0.0391 0.0296 0.0334
19:01-20:00, Sun., 15 Oct. 0.0334 0.0286 0.0307
18:01-19:00, Sun., 15 Oct. 0.0323 0.0285 0.0305
17:01-18:00, Sun., 15 Oct. 0.0323 0.0287 0.0304
16:01-17:00, Sun., 15 Oct. 0.0328 0.0281 0.0303
15:01-16:00, Sun., 15 Oct. 0.0323 0.0287 0.0306
14:01-15:00, Sun., 15 Oct. 0.0330 0.0287 0.0304
13:01-14:00, Sun., 15 Oct. 0.0333 0.0288 0.0311
12:01-13:00, Sun., 15 Oct. 0.0357 0.0304 0.0329
11:01-12:00, Sun., 15 Oct. 0.0357 0.0294 0.0327
10:01-11:00, Sun., 15 Oct. 0.0336 0.0301 0.0319
09:01-10:00, Sun., 15 Oct. 0.0359 0.0313 0.0327
08:01-09:00, Sun., 15 Oct. 0.0378 0.0316 0.0342
07:01-08:00, Sun., 15 Oct. 0.0370 0.0326 0.0349
06:01-07:00, Sun., 15 Oct. 0.0339 0.0281 0.0310
05:01-06:00, Sun., 15 Oct. 0.0306 0.0272 0.0289
04:01-05:00, Sun., 15 Oct. 0.0311 0.0272 0.0288
03:01-04:00, Sun., 15 Oct. 0.0304 0.0269 0.0286
02:01-03:00, Sun., 15 Oct. 0.0316 0.0269 0.0289
01:01-02:00, Sun., 15 Oct. 0.0302 0.0263 0.0285
00:01-01:00, Sun., 15 Oct. 0.0303 0.0266 0.0286
23:01-24:00, Sat., 14 Oct. 0.0302 0.0267 0.0284
22:01-23:00, Sat., 14 Oct. 0.0307 0.0268 0.0285
21:01-22:00, Sat., 14 Oct. 0.0298 0.0259 0.0282
20:01-21:00, Sat., 14 Oct. 0.0302 0.0264 0.0284
19:01-20:00, Sat., 14 Oct. 0.0306 0.0268 0.0287
18:01-19:00, Sat., 14 Oct. 0.0311 0.0271 0.0291
17:01-18:00, Sat., 14 Oct. 0.0323 0.0269 0.0288
16:01-17:00, Sat., 14 Oct. 0.0307 0.0265 0.0282
15:01-16:00, Sat., 14 Oct. 0.0294 0.0263 0.0281
14:01-15:00, Sat., 14 Oct. 0.0312 0.0265 0.0286
13:01-14:00, Sat., 14 Oct. 0.0323 0.0271 0.0294
12:01-13:00, Sat., 14 Oct. 0.0362 0.0298 0.0320
11:01-12:00, Sat., 14 Oct. 0.0326 0.0260 0.0289
10:01-11:00, Sat., 14 Oct. 0.0309 0.0268 0.0288
09:01-10:00, Sat., 14 Oct. 0.0333 0.0287 0.0307
08:01-09:00, Sat., 14 Oct. 0.0375 0.0316 0.0342
07:01-08:00, Sat., 14 Oct. 0.0396 0.0305 0.0347
06:01-07:00, Sat., 14 Oct. 0.0389 0.0303 0.0334
05:01-06:00, Sat., 14 Oct. 0.0473 0.0367 0.0425
04:01-05:00, Sat., 14 Oct. 0.0506 0.0413 0.0456
03:01-04:00, Sat., 14 Oct. 0.0528 0.0447 0.0492
02:01-03:00, Sat., 14 Oct. 0.0521 0.0403 0.0473
01:01-02:00, Sat., 14 Oct. 0.0444 0.0357 0.0400
00:01-01:00, Sat., 14 Oct. 0.0401 0.0296 0.0343
23:01-24:00, Fri., 13 Oct. 0.0340 0.0296 0.0316
22:01-23:00, Fri., 13 Oct. 0.0333 0.0270 0.0295
21:01-22:00, Fri., 13 Oct. 0.0322 0.0272 0.0295
20:01-21:00, Fri., 13 Oct. 0.0308 0.0270 0.0290
19:01-20:00, Fri., 13 Oct. 0.0310 0.0271 0.0294
18:01-19:00, Fri., 13 Oct. 0.0342 0.0284 0.0317
17:01-18:00, Fri., 13 Oct. 0.0398 0.0318 0.0352
16:01-17:00, Fri., 13 Oct. 0.0426 0.0309 0.0375
15:01-16:00, Fri., 13 Oct. 0.0333 0.0290 0.0312
14:01-15:00, Fri., 13 Oct. 0.0330 0.0285 0.0311
13:01-14:00, Fri., 13 Oct. 0.0339 0.0290 0.0314
12:01-13:00, Fri., 13 Oct. 0.0371 0.0307 0.0336
11:01-12:00, Fri., 13 Oct. 0.0409 0.0308 0.0363
10:01-11:00, Fri., 13 Oct. 0.0387 0.0309 0.0343
09:01-10:00, Fri., 13 Oct. 0.0402 0.0340 0.0360
08:01-09:00, Fri., 13 Oct. 0.0428 0.0355 0.0387
07:01-08:00, Fri., 13 Oct. 0.0418 0.0320 0.0368
06:01-07:00, Fri., 13 Oct. 0.0359 0.0324 0.0340
05:01-06:00, Fri., 13 Oct. 0.0344 0.0288 0.0317
04:01-05:00, Fri., 13 Oct. 0.0311 0.0278 0.0294
03:01-04:00, Fri., 13 Oct. 0.0311 0.0272 0.0292
02:01-03:00, Fri., 13 Oct. 0.0314 0.0273 0.0294
01:01-02:00, Fri., 13 Oct. 0.0307 0.0272 0.0291
00:01-01:00, Fri., 13 Oct. 0.0319 0.0278 0.0296
23:01-24:00, Thu., 12 Oct. 0.0333 0.0280 0.0307
22:01-23:00, Thu., 12 Oct. 0.0326 0.0276 0.0301
21:01-22:00, Thu., 12 Oct. 0.0352 0.0301 0.0325
20:01-21:00, Thu., 12 Oct. 0.0360 0.0272 0.0301
19:01-20:00, Thu., 12 Oct. 0.0311 0.0275 0.0292
18:01-19:00, Thu., 12 Oct. 0.0306 0.0271 0.0291
17:01-18:00, Thu., 12 Oct. 0.0311 0.0273 0.0293
16:01-17:00, Thu., 12 Oct. 0.0325 0.0273 0.0293
15:01-16:00, Thu., 12 Oct. 0.0310 0.0281 0.0293
14:01-15:00, Thu., 12 Oct. 0.0314 0.0275 0.0294
13:01-14:00, Thu., 12 Oct. 0.0319 0.0275 0.0292
12:01-13:00, Thu., 12 Oct. 0.0314 0.0271 0.0293
11:01-12:00, Thu., 12 Oct. 0.0311 0.0270 0.0291
10:01-11:00, Thu., 12 Oct. 0.0313 0.0277 0.0293
09:01-10:00, Thu., 12 Oct. 0.0315 0.0278 0.0294
08:01-09:00, Thu., 12 Oct. 0.0313 0.0269 0.0295
07:01-08:00, Thu., 12 Oct. 0.0318 0.0264 0.0294
06:01-07:00, Thu., 12 Oct. 0.0309 0.0277 0.0292
05:01-06:00, Thu., 12 Oct. 0.0313 0.0266 0.0291
04:01-05:00, Thu., 12 Oct. 0.0309 0.0271 0.0291
03:01-04:00, Thu., 12 Oct. 0.0306 0.0270 0.0290
02:01-03:00, Thu., 12 Oct. 0.0306 0.0268 0.0289
01:01-02:00, Thu., 12 Oct. 0.0305 0.0261 0.0289
00:01-01:00, Thu., 12 Oct. 0.0307 0.0271 0.0289
23:01-24:00, Wed., 11 Oct. 0.0305 0.0268 0.0288
22:01-23:00, Wed., 11 Oct. 0.0310 0.0273 0.0288
21:01-22:00, Wed., 11 Oct. 0.0303 0.0265 0.0283
20:01-21:00, Wed., 11 Oct. 0.0310 0.0272 0.0287
19:01-20:00, Wed., 11 Oct. 0.0302 0.0269 0.0287
18:01-19:00, Wed., 11 Oct. 0.0307 0.0270 0.0287
17:01-18:00, Wed., 11 Oct. 0.0307 0.0264 0.0287
16:01-17:00, Wed., 11 Oct. 0.0305 0.0264 0.0284
15:01-16:00, Wed., 11 Oct. 0.0302 0.0258 0.0284
14:01-15:00, Wed., 11 Oct. 0.0310 0.0272 0.0288
13:01-14:00, Wed., 11 Oct. 0.0304 0.0267 0.0285
12:01-13:00, Wed., 11 Oct. 0.0306 0.0275 0.0290
11:01-12:00, Wed., 11 Oct. 0.0314 0.0271 0.0292
10:01-11:00, Wed., 11 Oct. 0.0309 0.0269 0.0292
09:01-10:00, Wed., 11 Oct. 0.0318 0.0276 0.0291
08:01-09:00, Wed., 11 Oct. 0.0313 0.0280 0.0295
07:01-08:00, Wed., 11 Oct. 0.0313 0.0272 0.0294
06:01-07:00, Wed., 11 Oct. 0.0320 0.0263 0.0295
05:01-06:00, Wed., 11 Oct. 0.0322 0.0277 0.0301
04:01-05:00, Wed., 11 Oct. 0.0325 0.0279 0.0301
03:01-04:00, Wed., 11 Oct. 0.0318 0.0285 0.0302
02:01-03:00, Wed., 11 Oct. 0.0322 0.0285 0.0303
01:01-02:00, Wed., 11 Oct. 0.0328 0.0287 0.0308
00:01-01:00, Wed., 11 Oct. 0.0325 0.0274 0.0301
23:01-24:00, Tue., 10 Oct. 0.0311 0.0274 0.0293
22:01-23:00, Tue., 10 Oct. 0.0306 0.0274 0.0288
21:01-22:00, Tue., 10 Oct. 0.0305 0.0264 0.0286
20:01-21:00, Tue., 10 Oct. 0.0305 0.0262 0.0287
19:01-20:00, Tue., 10 Oct. 0.0306 0.0265 0.0288
18:01-19:00, Tue., 10 Oct. 0.0305 0.0266 0.0284
17:01-18:00, Tue., 10 Oct. 0.0308 0.0266 0.0287
16:01-17:00, Tue., 10 Oct. 0.0302 0.0263 0.0287
15:01-16:00, Tue., 10 Oct. 0.0310 0.0270 0.0287
14:01-15:00, Tue., 10 Oct. 0.0305 0.0271 0.0290
13:01-14:00, Tue., 10 Oct. 0.0303 0.0268 0.0288
12:01-13:00, Tue., 10 Oct. 0.0312 0.0271 0.0291
11:01-12:00, Tue., 10 Oct. 0.0307 0.0273 0.0289
10:01-11:00, Tue., 10 Oct. 0.0302 0.0270 0.0286
09:01-10:00, Tue., 10 Oct. 0.0310 0.0269 0.0290
08:01-09:00, Tue., 10 Oct. 0.0331 0.0270 0.0305
07:01-08:00, Tue., 10 Oct. 0.0332 0.0285 0.0307
06:01-07:00, Tue., 10 Oct. 0.0324 0.0287 0.0308
05:01-06:00, Tue., 10 Oct. 0.0321 0.0282 0.0302
04:01-05:00, Tue., 10 Oct. 0.0321 0.0281 0.0300
03:01-04:00, Tue., 10 Oct. 0.0318 0.0281 0.0297
02:01-03:00, Tue., 10 Oct. 0.0325 0.0286 0.0305
01:01-02:00, Tue., 10 Oct. 0.0314 0.0276 0.0296
00:01-01:00, Tue., 10 Oct. 0.0301 0.0265 0.0283
23:01-24:00, Mon., 09 Oct. 0.0299 0.0253 0.0281
22:01-23:00, Mon., 09 Oct. 0.0314 0.0260 0.0281
21:01-22:00, Mon., 09 Oct. 0.0297 0.0258 0.0280
20:01-21:00, Mon., 09 Oct. 0.0298 0.0255 0.0277
19:01-20:00, Mon., 09 Oct. 0.0299 0.0261 0.0278
18:01-19:00, Mon., 09 Oct. 0.0298 0.0264 0.0279
17:01-18:00, Mon., 09 Oct. 0.0295 0.0257 0.0280
16:01-17:00, Mon., 09 Oct. 0.0296 0.0266 0.0280
15:01-16:00, Mon., 09 Oct. 0.0304 0.0267 0.0283
14:01-15:00, Mon., 09 Oct. 0.0309 0.0262 0.0280
13:01-14:00, Mon., 09 Oct. 0.0303 0.0265 0.0279
12:01-13:00, Mon., 09 Oct. 0.0301 0.0261 0.0280
11:01-12:00, Mon., 09 Oct. 0.0296 0.0256 0.0280
10:01-11:00, Mon., 09 Oct. 0.0299 0.0258 0.0279
09:01-10:00, Mon., 09 Oct. 0.0299 0.0256 0.0277
08:01-09:00, Mon., 09 Oct. 0.0295 0.0260 0.0280
07:01-08:00, Mon., 09 Oct. 0.0305 0.0263 0.0279
06:01-07:00, Mon., 09 Oct. 0.0301 0.0264 0.0281
05:01-06:00, Mon., 09 Oct. 0.0296 0.0263 0.0280
04:01-05:00, Mon., 09 Oct. 0.0299 0.0264 0.0280
03:01-04:00, Mon., 09 Oct. 0.0301 0.0259 0.0280
02:01-03:00, Mon., 09 Oct. 0.0302 0.0261 0.0281
01:01-02:00, Mon., 09 Oct. 0.0298 0.0257 0.0279
00:01-01:00, Mon., 09 Oct. 0.0301 0.0259 0.0281