Measurement results by the hour (Chofu) 12 Sep., 2016 - 18 Sep., 2016

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 Sep. 0.0327 0.0289 0.0309
22:01-23:00, Sun., 18 Sep. 0.0336 0.0295 0.0315
21:01-22:00, Sun., 18 Sep. 0.0333 0.0284 0.0310
20:01-21:00, Sun., 18 Sep. 0.0330 0.0286 0.0305
19:01-20:00, Sun., 18 Sep. 0.0350 0.0283 0.0314
18:01-19:00, Sun., 18 Sep. 0.0332 0.0272 0.0302
17:01-18:00, Sun., 18 Sep. 0.0312 0.0278 0.0294
16:01-17:00, Sun., 18 Sep. 0.0311 0.0267 0.0288
15:01-16:00, Sun., 18 Sep. 0.0299 0.0263 0.0280
14:01-15:00, Sun., 18 Sep. 0.0299 0.0262 0.0282
13:01-14:00, Sun., 18 Sep. 0.0295 0.0262 0.0279
12:01-13:00, Sun., 18 Sep. 0.0300 0.0261 0.0283
11:01-12:00, Sun., 18 Sep. 0.0316 0.0279 0.0297
10:01-11:00, Sun., 18 Sep. 0.0316 0.0278 0.0301
09:01-10:00, Sun., 18 Sep. 0.0328 0.0279 0.0300
08:01-09:00, Sun., 18 Sep. 0.0325 0.0281 0.0304
07:01-08:00, Sun., 18 Sep. 0.0319 0.0281 0.0298
06:01-07:00, Sun., 18 Sep. 0.0318 0.0276 0.0294
05:01-06:00, Sun., 18 Sep. 0.0320 0.0280 0.0299
04:01-05:00, Sun., 18 Sep. 0.0326 0.0284 0.0299
03:01-04:00, Sun., 18 Sep. 0.0322 0.0282 0.0301
02:01-03:00, Sun., 18 Sep. 0.0310 0.0264 0.0294
01:01-02:00, Sun., 18 Sep. 0.0316 0.0266 0.0287
00:01-01:00, Sun., 18 Sep. 0.0309 0.0263 0.0285
23:01-24:00, Sat., 17 Sep. 0.0312 0.0271 0.0289
22:01-23:00, Sat., 17 Sep. 0.0308 0.0267 0.0285
21:01-22:00, Sat., 17 Sep. 0.0303 0.0268 0.0284
20:01-21:00, Sat., 17 Sep. 0.0307 0.0269 0.0284
19:01-20:00, Sat., 17 Sep. 0.0302 0.0270 0.0285
18:01-19:00, Sat., 17 Sep. 0.0300 0.0266 0.0282
17:01-18:00, Sat., 17 Sep. 0.0306 0.0258 0.0284
16:01-17:00, Sat., 17 Sep. 0.0304 0.0263 0.0285
15:01-16:00, Sat., 17 Sep. 0.0309 0.0264 0.0286
14:01-15:00, Sat., 17 Sep. 0.0305 0.0270 0.0289
13:01-14:00, Sat., 17 Sep. 0.0307 0.0267 0.0289
12:01-13:00, Sat., 17 Sep. 0.0308 0.0266 0.0289
11:01-12:00, Sat., 17 Sep. 0.0306 0.0274 0.0289
10:01-11:00, Sat., 17 Sep. 0.0304 0.0271 0.0289
09:01-10:00, Sat., 17 Sep. 0.0307 0.0261 0.0284
08:01-09:00, Sat., 17 Sep. 0.0307 0.0275 0.0286
07:01-08:00, Sat., 17 Sep. 0.0313 0.0280 0.0295
06:01-07:00, Sat., 17 Sep. 0.0313 0.0274 0.0296
05:01-06:00, Sat., 17 Sep. 0.0318 0.0280 0.0296
04:01-05:00, Sat., 17 Sep. 0.0319 0.0277 0.0303
03:01-04:00, Sat., 17 Sep. 0.0317 0.0283 0.0298
02:01-03:00, Sat., 17 Sep. 0.0319 0.0280 0.0296
01:01-02:00, Sat., 17 Sep. 0.0309 0.0269 0.0290
00:01-01:00, Sat., 17 Sep. 0.0310 0.0275 0.0293
23:01-24:00, Fri., 16 Sep. 0.0316 0.0276 0.0293
22:01-23:00, Fri., 16 Sep. 0.0302 0.0266 0.0284
21:01-22:00, Fri., 16 Sep. 0.0304 0.0264 0.0280
20:01-21:00, Fri., 16 Sep. 0.0306 0.0256 0.0281
19:01-20:00, Fri., 16 Sep. 0.0298 0.0258 0.0280
18:01-19:00, Fri., 16 Sep. 0.0296 0.0266 0.0282
17:01-18:00, Fri., 16 Sep. 0.0300 0.0268 0.0282
16:01-17:00, Fri., 16 Sep. 0.0294 0.0262 0.0279
15:01-16:00, Fri., 16 Sep. 0.0300 0.0259 0.0283
14:01-15:00, Fri., 16 Sep. 0.0306 0.0265 0.0289
13:01-14:00, Fri., 16 Sep. 0.0318 0.0279 0.0297
12:01-13:00, Fri., 16 Sep. 0.0315 0.0273 0.0293
11:01-12:00, Fri., 16 Sep. 0.0307 0.0262 0.0287
10:01-11:00, Fri., 16 Sep. 0.0315 0.0280 0.0297
09:01-10:00, Fri., 16 Sep. 0.0325 0.0283 0.0304
08:01-09:00, Fri., 16 Sep. 0.0329 0.0261 0.0291
07:01-08:00, Fri., 16 Sep. 0.0303 0.0267 0.0284
06:01-07:00, Fri., 16 Sep. 0.0308 0.0266 0.0284
05:01-06:00, Fri., 16 Sep. 0.0300 0.0269 0.0283
04:01-05:00, Fri., 16 Sep. 0.0307 0.0266 0.0285
03:01-04:00, Fri., 16 Sep. 0.0308 0.0256 0.0281
02:01-03:00, Fri., 16 Sep. 0.0302 0.0258 0.0283
01:01-02:00, Fri., 16 Sep. 0.0304 0.0259 0.0283
00:01-01:00, Fri., 16 Sep. 0.0308 0.0257 0.0282
23:01-24:00, Thu., 15 Sep. 0.0297 0.0260 0.0281
22:01-23:00, Thu., 15 Sep. 0.0294 0.0250 0.0280
21:01-22:00, Thu., 15 Sep. 0.0312 0.0262 0.0285
20:01-21:00, Thu., 15 Sep. 0.0311 0.0272 0.0293
19:01-20:00, Thu., 15 Sep. 0.0297 0.0270 0.0283
18:01-19:00, Thu., 15 Sep. 0.0299 0.0266 0.0282
17:01-18:00, Thu., 15 Sep. 0.0300 0.0262 0.0280
16:01-17:00, Thu., 15 Sep. 0.0297 0.0261 0.0282
15:01-16:00, Thu., 15 Sep. 0.0308 0.0265 0.0282
14:01-15:00, Thu., 15 Sep. 0.0298 0.0259 0.0280
13:01-14:00, Thu., 15 Sep. 0.0297 0.0259 0.0283
12:01-13:00, Thu., 15 Sep. 0.0296 0.0262 0.0279
11:01-12:00, Thu., 15 Sep. 0.0299 0.0256 0.0280
10:01-11:00, Thu., 15 Sep. 0.0304 0.0264 0.0284
09:01-10:00, Thu., 15 Sep. 0.0309 0.0260 0.0287
08:01-09:00, Thu., 15 Sep. 0.0342 0.0279 0.0311
07:01-08:00, Thu., 15 Sep. 0.0498 0.0336 0.0401
06:01-07:00, Thu., 15 Sep. 0.0626 0.0486 0.0566
05:01-06:00, Thu., 15 Sep. 0.0601 0.0421 0.0499
04:01-05:00, Thu., 15 Sep. 0.0420 0.0278 0.0312
03:01-04:00, Thu., 15 Sep. 0.0330 0.0280 0.0305
02:01-03:00, Thu., 15 Sep. 0.0308 0.0273 0.0291
01:01-02:00, Thu., 15 Sep. 0.0303 0.0267 0.0285
00:01-01:00, Thu., 15 Sep. 0.0304 0.0272 0.0286
23:01-24:00, Wed., 14 Sep. 0.0296 0.0259 0.0283
22:01-23:00, Wed., 14 Sep. 0.0305 0.0259 0.0284
21:01-22:00, Wed., 14 Sep. 0.0299 0.0257 0.0282
20:01-21:00, Wed., 14 Sep. 0.0301 0.0264 0.0286
19:01-20:00, Wed., 14 Sep. 0.0302 0.0260 0.0280
18:01-19:00, Wed., 14 Sep. 0.0299 0.0261 0.0281
17:01-18:00, Wed., 14 Sep. 0.0303 0.0262 0.0281
16:01-17:00, Wed., 14 Sep. 0.0307 0.0263 0.0280
15:01-16:00, Wed., 14 Sep. 0.0299 0.0259 0.0281
14:01-15:00, Wed., 14 Sep. 0.0299 0.0270 0.0283
13:01-14:00, Wed., 14 Sep. 0.0303 0.0261 0.0282
12:01-13:00, Wed., 14 Sep. 0.0297 0.0264 0.0282
11:01-12:00, Wed., 14 Sep. 0.0300 0.0263 0.0283
10:01-11:00, Wed., 14 Sep. 0.0298 0.0256 0.0281
09:01-10:00, Wed., 14 Sep. 0.0302 0.0261 0.0281
08:01-09:00, Wed., 14 Sep. 0.0300 0.0264 0.0282
07:01-08:00, Wed., 14 Sep. 0.0313 0.0268 0.0291
06:01-07:00, Wed., 14 Sep. 0.0317 0.0259 0.0292
05:01-06:00, Wed., 14 Sep. 0.0296 0.0262 0.0281
04:01-05:00, Wed., 14 Sep. 0.0303 0.0270 0.0282
03:01-04:00, Wed., 14 Sep. 0.0314 0.0267 0.0288
02:01-03:00, Wed., 14 Sep. 0.0324 0.0279 0.0301
01:01-02:00, Wed., 14 Sep. 0.0351 0.0294 0.0318
00:01-01:00, Wed., 14 Sep. 0.0344 0.0281 0.0315
23:01-24:00, Tue., 13 Sep. 0.0326 0.0291 0.0307
22:01-23:00, Tue., 13 Sep. 0.0358 0.0294 0.0319
21:01-22:00, Tue., 13 Sep. 0.0360 0.0314 0.0332
20:01-21:00, Tue., 13 Sep. 0.0337 0.0282 0.0315
19:01-20:00, Tue., 13 Sep. 0.0313 0.0275 0.0296
18:01-19:00, Tue., 13 Sep. 0.0317 0.0267 0.0297
17:01-18:00, Tue., 13 Sep. 0.0308 0.0260 0.0284
16:01-17:00, Tue., 13 Sep. 0.0306 0.0269 0.0285
15:01-16:00, Tue., 13 Sep. 0.0326 0.0270 0.0292
14:01-15:00, Tue., 13 Sep. 0.0317 0.0278 0.0296
13:01-14:00, Tue., 13 Sep. 0.0311 0.0276 0.0293
12:01-13:00, Tue., 13 Sep. 0.0324 0.0276 0.0303
11:01-12:00, Tue., 13 Sep. 0.0343 0.0301 0.0322
10:01-11:00, Tue., 13 Sep. 0.0424 0.0324 0.0369
09:01-10:00, Tue., 13 Sep. 0.0433 0.0366 0.0404
08:01-09:00, Tue., 13 Sep. 0.0439 0.0346 0.0376
07:01-08:00, Tue., 13 Sep. 0.0390 0.0326 0.0357
06:01-07:00, Tue., 13 Sep. 0.0370 0.0312 0.0341
05:01-06:00, Tue., 13 Sep. 0.0366 0.0326 0.0344
04:01-05:00, Tue., 13 Sep. 0.0353 0.0289 0.0325
03:01-04:00, Tue., 13 Sep. 0.0309 0.0264 0.0289
02:01-03:00, Tue., 13 Sep. 0.0301 0.0271 0.0286
01:01-02:00, Tue., 13 Sep. 0.0315 0.0275 0.0289
00:01-01:00, Tue., 13 Sep. 0.0304 0.0275 0.0288
23:01-24:00, Mon., 12 Sep. 0.0316 0.0274 0.0293
22:01-23:00, Mon., 12 Sep. 0.0304 0.0272 0.0290
21:01-22:00, Mon., 12 Sep. 0.0303 0.0268 0.0288
20:01-21:00, Mon., 12 Sep. 0.0301 0.0261 0.0286
19:01-20:00, Mon., 12 Sep. 0.0304 0.0268 0.0286
18:01-19:00, Mon., 12 Sep. 0.0307 0.0270 0.0287
17:01-18:00, Mon., 12 Sep. 0.0316 0.0266 0.0290
16:01-17:00, Mon., 12 Sep. 0.0306 0.0270 0.0291
15:01-16:00, Mon., 12 Sep. 0.0310 0.0268 0.0289
14:01-15:00, Mon., 12 Sep. 0.0309 0.0263 0.0289
13:01-14:00, Mon., 12 Sep. 0.0310 0.0265 0.0291
12:01-13:00, Mon., 12 Sep. 0.0310 0.0266 0.0289
11:01-12:00, Mon., 12 Sep. 0.0307 0.0275 0.0287
10:01-11:00, Mon., 12 Sep. 0.0309 0.0273 0.0289
09:01-10:00, Mon., 12 Sep. 0.0309 0.0265 0.0285
08:01-09:00, Mon., 12 Sep. 0.0304 0.0273 0.0287
07:01-08:00, Mon., 12 Sep. 0.0310 0.0270 0.0289
06:01-07:00, Mon., 12 Sep. 0.0314 0.0265 0.0291
05:01-06:00, Mon., 12 Sep. 0.0310 0.0271 0.0288
04:01-05:00, Mon., 12 Sep. 0.0310 0.0270 0.0290
03:01-04:00, Mon., 12 Sep. 0.0305 0.0268 0.0286
02:01-03:00, Mon., 12 Sep. 0.0308 0.0273 0.0286
01:01-02:00, Mon., 12 Sep. 0.0309 0.0265 0.0287
00:01-01:00, Mon., 12 Sep. 0.0298 0.0257 0.0283