Measurement results by the hour (Chofu) 12 Jun., 2017 - 18 Jun., 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., 18 Jun. 0.0333 0.0282 0.0302
22:01-23:00, Sun., 18 Jun. 0.0360 0.0300 0.0330
21:01-22:00, Sun., 18 Jun. 0.0372 0.0316 0.0347
20:01-21:00, Sun., 18 Jun. 0.0368 0.0327 0.0348
19:01-20:00, Sun., 18 Jun. 0.0372 0.0320 0.0349
18:01-19:00, Sun., 18 Jun. 0.0359 0.0310 0.0340
17:01-18:00, Sun., 18 Jun. 0.0380 0.0312 0.0343
16:01-17:00, Sun., 18 Jun. 0.0410 0.0359 0.0384
15:01-16:00, Sun., 18 Jun. 0.0406 0.0309 0.0365
14:01-15:00, Sun., 18 Jun. 0.0320 0.0276 0.0296
13:01-14:00, Sun., 18 Jun. 0.0315 0.0276 0.0293
12:01-13:00, Sun., 18 Jun. 0.0309 0.0271 0.0293
11:01-12:00, Sun., 18 Jun. 0.0316 0.0272 0.0295
10:01-11:00, Sun., 18 Jun. 0.0311 0.0274 0.0292
09:01-10:00, Sun., 18 Jun. 0.0307 0.0274 0.0293
08:01-09:00, Sun., 18 Jun. 0.0313 0.0276 0.0294
07:01-08:00, Sun., 18 Jun. 0.0326 0.0277 0.0297
06:01-07:00, Sun., 18 Jun. 0.0314 0.0280 0.0295
05:01-06:00, Sun., 18 Jun. 0.0312 0.0274 0.0293
04:01-05:00, Sun., 18 Jun. 0.0319 0.0274 0.0294
03:01-04:00, Sun., 18 Jun. 0.0319 0.0266 0.0293
02:01-03:00, Sun., 18 Jun. 0.0310 0.0277 0.0293
01:01-02:00, Sun., 18 Jun. 0.0321 0.0273 0.0295
00:01-01:00, Sun., 18 Jun. 0.0317 0.0271 0.0292
23:01-24:00, Sat., 17 Jun. 0.0312 0.0266 0.0291
22:01-23:00, Sat., 17 Jun. 0.0309 0.0275 0.0290
21:01-22:00, Sat., 17 Jun. 0.0309 0.0272 0.0288
20:01-21:00, Sat., 17 Jun. 0.0312 0.0264 0.0289
19:01-20:00, Sat., 17 Jun. 0.0307 0.0276 0.0291
18:01-19:00, Sat., 17 Jun. 0.0314 0.0276 0.0292
17:01-18:00, Sat., 17 Jun. 0.0311 0.0272 0.0291
16:01-17:00, Sat., 17 Jun. 0.0308 0.0269 0.0291
15:01-16:00, Sat., 17 Jun. 0.0309 0.0263 0.0290
14:01-15:00, Sat., 17 Jun. 0.0311 0.0276 0.0291
13:01-14:00, Sat., 17 Jun. 0.0310 0.0268 0.0293
12:01-13:00, Sat., 17 Jun. 0.0311 0.0273 0.0292
11:01-12:00, Sat., 17 Jun. 0.0319 0.0270 0.0295
10:01-11:00, Sat., 17 Jun. 0.0315 0.0277 0.0291
09:01-10:00, Sat., 17 Jun. 0.0315 0.0275 0.0295
08:01-09:00, Sat., 17 Jun. 0.0319 0.0274 0.0293
07:01-08:00, Sat., 17 Jun. 0.0314 0.0274 0.0295
06:01-07:00, Sat., 17 Jun. 0.0314 0.0278 0.0293
05:01-06:00, Sat., 17 Jun. 0.0314 0.0272 0.0294
04:01-05:00, Sat., 17 Jun. 0.0318 0.0273 0.0293
03:01-04:00, Sat., 17 Jun. 0.0320 0.0277 0.0291
02:01-03:00, Sat., 17 Jun. 0.0308 0.0275 0.0292
01:01-02:00, Sat., 17 Jun. 0.0306 0.0271 0.0292
00:01-01:00, Sat., 17 Jun. 0.0316 0.0276 0.0293
23:01-24:00, Fri., 16 Jun. 0.0316 0.0277 0.0294
22:01-23:00, Fri., 16 Jun. 0.0309 0.0262 0.0291
21:01-22:00, Fri., 16 Jun. 0.0312 0.0265 0.0292
20:01-21:00, Fri., 16 Jun. 0.0315 0.0273 0.0289
19:01-20:00, Fri., 16 Jun. 0.0309 0.0273 0.0292
18:01-19:00, Fri., 16 Jun. 0.0314 0.0281 0.0296
17:01-18:00, Fri., 16 Jun. 0.0335 0.0284 0.0308
16:01-17:00, Fri., 16 Jun. 0.0363 0.0310 0.0335
15:01-16:00, Fri., 16 Jun. 0.0365 0.0276 0.0305
14:01-15:00, Fri., 16 Jun. 0.0314 0.0273 0.0289
13:01-14:00, Fri., 16 Jun. 0.0311 0.0273 0.0292
12:01-13:00, Fri., 16 Jun. 0.0308 0.0266 0.0289
11:01-12:00, Fri., 16 Jun. 0.0309 0.0272 0.0291
10:01-11:00, Fri., 16 Jun. 0.0311 0.0269 0.0288
09:01-10:00, Fri., 16 Jun. 0.0309 0.0273 0.0290
08:01-09:00, Fri., 16 Jun. 0.0307 0.0266 0.0288
07:01-08:00, Fri., 16 Jun. 0.0316 0.0272 0.0289
06:01-07:00, Fri., 16 Jun. 0.0312 0.0266 0.0293
05:01-06:00, Fri., 16 Jun. 0.0317 0.0275 0.0294
04:01-05:00, Fri., 16 Jun. 0.0317 0.0282 0.0298
03:01-04:00, Fri., 16 Jun. 0.0323 0.0281 0.0298
02:01-03:00, Fri., 16 Jun. 0.0313 0.0272 0.0292
01:01-02:00, Fri., 16 Jun. 0.0309 0.0277 0.0292
00:01-01:00, Fri., 16 Jun. 0.0307 0.0271 0.0288
23:01-24:00, Thu., 15 Jun. 0.0313 0.0269 0.0287
22:01-23:00, Thu., 15 Jun. 0.0307 0.0270 0.0286
21:01-22:00, Thu., 15 Jun. 0.0305 0.0266 0.0284
20:01-21:00, Thu., 15 Jun. 0.0301 0.0266 0.0282
19:01-20:00, Thu., 15 Jun. 0.0308 0.0266 0.0283
18:01-19:00, Thu., 15 Jun. 0.0307 0.0263 0.0286
17:01-18:00, Thu., 15 Jun. 0.0311 0.0262 0.0286
16:01-17:00, Thu., 15 Jun. 0.0306 0.0266 0.0286
15:01-16:00, Thu., 15 Jun. 0.0301 0.0266 0.0285
14:01-15:00, Thu., 15 Jun. 0.0308 0.0268 0.0286
13:01-14:00, Thu., 15 Jun. 0.0305 0.0265 0.0286
12:01-13:00, Thu., 15 Jun. 0.0304 0.0263 0.0284
11:01-12:00, Thu., 15 Jun. 0.0301 0.0265 0.0285
10:01-11:00, Thu., 15 Jun. 0.0307 0.0266 0.0286
09:01-10:00, Thu., 15 Jun. 0.0307 0.0259 0.0283
08:01-09:00, Thu., 15 Jun. 0.0310 0.0266 0.0288
07:01-08:00, Thu., 15 Jun. 0.0300 0.0267 0.0286
06:01-07:00, Thu., 15 Jun. 0.0306 0.0270 0.0288
05:01-06:00, Thu., 15 Jun. 0.0307 0.0264 0.0285
04:01-05:00, Thu., 15 Jun. 0.0307 0.0268 0.0287
03:01-04:00, Thu., 15 Jun. 0.0307 0.0268 0.0287
02:01-03:00, Thu., 15 Jun. 0.0305 0.0267 0.0286
01:01-02:00, Thu., 15 Jun. 0.0300 0.0254 0.0282
00:01-01:00, Thu., 15 Jun. 0.0307 0.0260 0.0283
23:01-24:00, Wed., 14 Jun. 0.0307 0.0264 0.0283
22:01-23:00, Wed., 14 Jun. 0.0300 0.0265 0.0284
21:01-22:00, Wed., 14 Jun. 0.0305 0.0261 0.0282
20:01-21:00, Wed., 14 Jun. 0.0304 0.0257 0.0280
19:01-20:00, Wed., 14 Jun. 0.0304 0.0263 0.0282
18:01-19:00, Wed., 14 Jun. 0.0305 0.0263 0.0281
17:01-18:00, Wed., 14 Jun. 0.0299 0.0256 0.0282
16:01-17:00, Wed., 14 Jun. 0.0310 0.0271 0.0285
15:01-16:00, Wed., 14 Jun. 0.0296 0.0264 0.0283
14:01-15:00, Wed., 14 Jun. 0.0305 0.0263 0.0282
13:01-14:00, Wed., 14 Jun. 0.0307 0.0266 0.0281
12:01-13:00, Wed., 14 Jun. 0.0302 0.0257 0.0280
11:01-12:00, Wed., 14 Jun. 0.0307 0.0260 0.0282
10:01-11:00, Wed., 14 Jun. 0.0303 0.0262 0.0282
09:01-10:00, Wed., 14 Jun. 0.0304 0.0263 0.0285
08:01-09:00, Wed., 14 Jun. 0.0306 0.0260 0.0284
07:01-08:00, Wed., 14 Jun. 0.0306 0.0262 0.0286
06:01-07:00, Wed., 14 Jun. 0.0303 0.0268 0.0286
05:01-06:00, Wed., 14 Jun. 0.0317 0.0280 0.0297
04:01-05:00, Wed., 14 Jun. 0.0339 0.0289 0.0311
03:01-04:00, Wed., 14 Jun. 0.0342 0.0285 0.0311
02:01-03:00, Wed., 14 Jun. 0.0369 0.0297 0.0337
01:01-02:00, Wed., 14 Jun. 0.0373 0.0282 0.0336
00:01-01:00, Wed., 14 Jun. 0.0300 0.0261 0.0284
23:01-24:00, Tue., 13 Jun. 0.0300 0.0264 0.0283
22:01-23:00, Tue., 13 Jun. 0.0305 0.0268 0.0285
21:01-22:00, Tue., 13 Jun. 0.0309 0.0269 0.0285
20:01-21:00, Tue., 13 Jun. 0.0308 0.0261 0.0288
19:01-20:00, Tue., 13 Jun. 0.0341 0.0281 0.0301
18:01-19:00, Tue., 13 Jun. 0.0338 0.0276 0.0315
17:01-18:00, Tue., 13 Jun. 0.0368 0.0320 0.0344
16:01-17:00, Tue., 13 Jun. 0.0399 0.0347 0.0368
15:01-16:00, Tue., 13 Jun. 0.0372 0.0330 0.0354
14:01-15:00, Tue., 13 Jun. 0.0363 0.0314 0.0345
13:01-14:00, Tue., 13 Jun. 0.0379 0.0335 0.0356
12:01-13:00, Tue., 13 Jun. 0.0362 0.0282 0.0319
11:01-12:00, Tue., 13 Jun. 0.0326 0.0281 0.0300
10:01-11:00, Tue., 13 Jun. 0.0306 0.0253 0.0286
09:01-10:00, Tue., 13 Jun. 0.0314 0.0265 0.0287
08:01-09:00, Tue., 13 Jun. 0.0327 0.0278 0.0301
07:01-08:00, Tue., 13 Jun. 0.0409 0.0299 0.0351
06:01-07:00, Tue., 13 Jun. 0.0593 0.0373 0.0480
05:01-06:00, Tue., 13 Jun. 0.0591 0.0492 0.0540
04:01-05:00, Tue., 13 Jun. 0.0526 0.0387 0.0462
03:01-04:00, Tue., 13 Jun. 0.0427 0.0336 0.0366
02:01-03:00, Tue., 13 Jun. 0.0382 0.0294 0.0332
01:01-02:00, Tue., 13 Jun. 0.0318 0.0286 0.0301
00:01-01:00, Tue., 13 Jun. 0.0317 0.0282 0.0302
23:01-24:00, Mon., 12 Jun. 0.0319 0.0284 0.0302
22:01-23:00, Mon., 12 Jun. 0.0321 0.0278 0.0301
21:01-22:00, Mon., 12 Jun. 0.0317 0.0279 0.0300
20:01-21:00, Mon., 12 Jun. 0.0317 0.0279 0.0300
19:01-20:00, Mon., 12 Jun. 0.0316 0.0276 0.0300
18:01-19:00, Mon., 12 Jun. 0.0323 0.0279 0.0302
17:01-18:00, Mon., 12 Jun. 0.0325 0.0283 0.0300
16:01-17:00, Mon., 12 Jun. 0.0322 0.0281 0.0300
15:01-16:00, Mon., 12 Jun. 0.0328 0.0279 0.0302
14:01-15:00, Mon., 12 Jun. 0.0318 0.0282 0.0299
13:01-14:00, Mon., 12 Jun. 0.0316 0.0286 0.0300
12:01-13:00, Mon., 12 Jun. 0.0323 0.0278 0.0301
11:01-12:00, Mon., 12 Jun. 0.0316 0.0281 0.0301
10:01-11:00, Mon., 12 Jun. 0.0326 0.0286 0.0302
09:01-10:00, Mon., 12 Jun. 0.0325 0.0286 0.0305
08:01-09:00, Mon., 12 Jun. 0.0326 0.0278 0.0305
07:01-08:00, Mon., 12 Jun. 0.0323 0.0286 0.0305
06:01-07:00, Mon., 12 Jun. 0.0321 0.0278 0.0305
05:01-06:00, Mon., 12 Jun. 0.0330 0.0289 0.0306
04:01-05:00, Mon., 12 Jun. 0.0328 0.0288 0.0305
03:01-04:00, Mon., 12 Jun. 0.0330 0.0289 0.0313
02:01-03:00, Mon., 12 Jun. 0.0350 0.0304 0.0327
01:01-02:00, Mon., 12 Jun. 0.0374 0.0296 0.0339
00:01-01:00, Mon., 12 Jun. 0.0327 0.0281 0.0306