Measurement results by the hour (Chofu) 27 Mar., 2017 - 2 Apr., 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., 02 Apr. 0.0299 0.0264 0.0285
22:01-23:00, Sun., 02 Apr. 0.0307 0.0263 0.0286
21:01-22:00, Sun., 02 Apr. 0.0299 0.0270 0.0284
20:01-21:00, Sun., 02 Apr. 0.0306 0.0261 0.0285
19:01-20:00, Sun., 02 Apr. 0.0299 0.0259 0.0281
18:01-19:00, Sun., 02 Apr. 0.0306 0.0266 0.0285
17:01-18:00, Sun., 02 Apr. 0.0299 0.0267 0.0285
16:01-17:00, Sun., 02 Apr. 0.0309 0.0259 0.0285
15:01-16:00, Sun., 02 Apr. 0.0310 0.0270 0.0286
14:01-15:00, Sun., 02 Apr. 0.0311 0.0270 0.0286
13:01-14:00, Sun., 02 Apr. 0.0312 0.0267 0.0287
12:01-13:00, Sun., 02 Apr. 0.0311 0.0266 0.0287
11:01-12:00, Sun., 02 Apr. 0.0305 0.0270 0.0287
10:01-11:00, Sun., 02 Apr. 0.0301 0.0267 0.0284
09:01-10:00, Sun., 02 Apr. 0.0311 0.0271 0.0287
08:01-09:00, Sun., 02 Apr. 0.0302 0.0273 0.0287
07:01-08:00, Sun., 02 Apr. 0.0301 0.0266 0.0286
06:01-07:00, Sun., 02 Apr. 0.0300 0.0264 0.0286
05:01-06:00, Sun., 02 Apr. 0.0321 0.0269 0.0286
04:01-05:00, Sun., 02 Apr. 0.0311 0.0265 0.0287
03:01-04:00, Sun., 02 Apr. 0.0307 0.0264 0.0285
02:01-03:00, Sun., 02 Apr. 0.0306 0.0261 0.0284
01:01-02:00, Sun., 02 Apr. 0.0304 0.0269 0.0283
00:01-01:00, Sun., 02 Apr. 0.0302 0.0262 0.0284
23:01-24:00, Sat., 01 Apr. 0.0311 0.0261 0.0283
22:01-23:00, Sat., 01 Apr. 0.0297 0.0261 0.0282
21:01-22:00, Sat., 01 Apr. 0.0306 0.0261 0.0280
20:01-21:00, Sat., 01 Apr. 0.0303 0.0264 0.0283
19:01-20:00, Sat., 01 Apr. 0.0301 0.0256 0.0284
18:01-19:00, Sat., 01 Apr. 0.0301 0.0267 0.0283
17:01-18:00, Sat., 01 Apr. 0.0313 0.0273 0.0291
16:01-17:00, Sat., 01 Apr. 0.0314 0.0268 0.0291
15:01-16:00, Sat., 01 Apr. 0.0307 0.0274 0.0291
14:01-15:00, Sat., 01 Apr. 0.0304 0.0265 0.0286
13:01-14:00, Sat., 01 Apr. 0.0311 0.0275 0.0291
12:01-13:00, Sat., 01 Apr. 0.0320 0.0273 0.0295
11:01-12:00, Sat., 01 Apr. 0.0329 0.0282 0.0308
10:01-11:00, Sat., 01 Apr. 0.0340 0.0296 0.0319
09:01-10:00, Sat., 01 Apr. 0.0360 0.0316 0.0339
08:01-09:00, Sat., 01 Apr. 0.0355 0.0294 0.0328
07:01-08:00, Sat., 01 Apr. 0.0361 0.0297 0.0321
06:01-07:00, Sat., 01 Apr. 0.0358 0.0307 0.0336
05:01-06:00, Sat., 01 Apr. 0.0368 0.0328 0.0347
04:01-05:00, Sat., 01 Apr. 0.0360 0.0312 0.0338
03:01-04:00, Sat., 01 Apr. 0.0369 0.0323 0.0344
02:01-03:00, Sat., 01 Apr. 0.0368 0.0330 0.0351
01:01-02:00, Sat., 01 Apr. 0.0378 0.0334 0.0355
00:01-01:00, Sat., 01 Apr. 0.0403 0.0339 0.0361
23:01-24:00, Fri., 31 Mar. 0.0388 0.0347 0.0364
22:01-23:00, Fri., 31 Mar. 0.0412 0.0341 0.0371
21:01-22:00, Fri., 31 Mar. 0.0367 0.0330 0.0351
20:01-21:00, Fri., 31 Mar. 0.0381 0.0335 0.0355
19:01-20:00, Fri., 31 Mar. 0.0421 0.0351 0.0377
18:01-19:00, Fri., 31 Mar. 0.0463 0.0370 0.0413
17:01-18:00, Fri., 31 Mar. 0.0460 0.0373 0.0411
16:01-17:00, Fri., 31 Mar. 0.0442 0.0344 0.0381
15:01-16:00, Fri., 31 Mar. 0.0368 0.0295 0.0330
14:01-15:00, Fri., 31 Mar. 0.0322 0.0258 0.0296
13:01-14:00, Fri., 31 Mar. 0.0313 0.0268 0.0290
12:01-13:00, Fri., 31 Mar. 0.0311 0.0266 0.0289
11:01-12:00, Fri., 31 Mar. 0.0305 0.0267 0.0290
10:01-11:00, Fri., 31 Mar. 0.0312 0.0266 0.0290
09:01-10:00, Fri., 31 Mar. 0.0308 0.0270 0.0290
08:01-09:00, Fri., 31 Mar. 0.0310 0.0268 0.0291
07:01-08:00, Fri., 31 Mar. 0.0317 0.0271 0.0293
06:01-07:00, Fri., 31 Mar. 0.0314 0.0276 0.0295
05:01-06:00, Fri., 31 Mar. 0.0316 0.0276 0.0293
04:01-05:00, Fri., 31 Mar. 0.0316 0.0266 0.0294
03:01-04:00, Fri., 31 Mar. 0.0313 0.0278 0.0293
02:01-03:00, Fri., 31 Mar. 0.0310 0.0278 0.0293
01:01-02:00, Fri., 31 Mar. 0.0319 0.0271 0.0291
00:01-01:00, Fri., 31 Mar. 0.0311 0.0270 0.0293
23:01-24:00, Thu., 30 Mar. 0.0311 0.0272 0.0292
22:01-23:00, Thu., 30 Mar. 0.0307 0.0276 0.0291
21:01-22:00, Thu., 30 Mar. 0.0322 0.0273 0.0293
20:01-21:00, Thu., 30 Mar. 0.0311 0.0274 0.0292
19:01-20:00, Thu., 30 Mar. 0.0313 0.0274 0.0289
18:01-19:00, Thu., 30 Mar. 0.0310 0.0274 0.0289
17:01-18:00, Thu., 30 Mar. 0.0316 0.0273 0.0291
16:01-17:00, Thu., 30 Mar. 0.0319 0.0266 0.0289
15:01-16:00, Thu., 30 Mar. 0.0311 0.0270 0.0290
14:01-15:00, Thu., 30 Mar. 0.0309 0.0269 0.0288
13:01-14:00, Thu., 30 Mar. 0.0304 0.0273 0.0291
12:01-13:00, Thu., 30 Mar. 0.0315 0.0273 0.0291
11:01-12:00, Thu., 30 Mar. 0.0318 0.0275 0.0292
10:01-11:00, Thu., 30 Mar. 0.0309 0.0278 0.0293
09:01-10:00, Thu., 30 Mar. 0.0309 0.0267 0.0295
08:01-09:00, Thu., 30 Mar. 0.0327 0.0282 0.0302
07:01-08:00, Thu., 30 Mar. 0.0329 0.0288 0.0309
06:01-07:00, Thu., 30 Mar. 0.0325 0.0282 0.0306
05:01-06:00, Thu., 30 Mar. 0.0330 0.0282 0.0299
04:01-05:00, Thu., 30 Mar. 0.0317 0.0282 0.0297
03:01-04:00, Thu., 30 Mar. 0.0317 0.0278 0.0297
02:01-03:00, Thu., 30 Mar. 0.0318 0.0279 0.0296
01:01-02:00, Thu., 30 Mar. 0.0323 0.0285 0.0301
00:01-01:00, Thu., 30 Mar. 0.0324 0.0280 0.0297
23:01-24:00, Wed., 29 Mar. 0.0305 0.0270 0.0288
22:01-23:00, Wed., 29 Mar. 0.0312 0.0272 0.0287
21:01-22:00, Wed., 29 Mar. 0.0301 0.0270 0.0284
20:01-21:00, Wed., 29 Mar. 0.0300 0.0261 0.0283
19:01-20:00, Wed., 29 Mar. 0.0299 0.0270 0.0284
18:01-19:00, Wed., 29 Mar. 0.0305 0.0269 0.0286
17:01-18:00, Wed., 29 Mar. 0.0303 0.0268 0.0284
16:01-17:00, Wed., 29 Mar. 0.0301 0.0270 0.0287
15:01-16:00, Wed., 29 Mar. 0.0306 0.0267 0.0285
14:01-15:00, Wed., 29 Mar. 0.0302 0.0269 0.0286
13:01-14:00, Wed., 29 Mar. 0.0306 0.0255 0.0286
12:01-13:00, Wed., 29 Mar. 0.0311 0.0261 0.0288
11:01-12:00, Wed., 29 Mar. 0.0315 0.0269 0.0289
10:01-11:00, Wed., 29 Mar. 0.0313 0.0262 0.0291
09:01-10:00, Wed., 29 Mar. 0.0316 0.0267 0.0294
08:01-09:00, Wed., 29 Mar. 0.0320 0.0275 0.0292
07:01-08:00, Wed., 29 Mar. 0.0310 0.0270 0.0292
06:01-07:00, Wed., 29 Mar. 0.0307 0.0271 0.0290
05:01-06:00, Wed., 29 Mar. 0.0308 0.0273 0.0292
04:01-05:00, Wed., 29 Mar. 0.0311 0.0263 0.0289
03:01-04:00, Wed., 29 Mar. 0.0314 0.0269 0.0287
02:01-03:00, Wed., 29 Mar. 0.0302 0.0262 0.0286
01:01-02:00, Wed., 29 Mar. 0.0314 0.0271 0.0290
00:01-01:00, Wed., 29 Mar. 0.0318 0.0276 0.0294
23:01-24:00, Tue., 28 Mar. 0.0323 0.0269 0.0290
22:01-23:00, Tue., 28 Mar. 0.0306 0.0263 0.0287
21:01-22:00, Tue., 28 Mar. 0.0307 0.0270 0.0288
20:01-21:00, Tue., 28 Mar. 0.0306 0.0267 0.0286
19:01-20:00, Tue., 28 Mar. 0.0309 0.0268 0.0285
18:01-19:00, Tue., 28 Mar. 0.0321 0.0274 0.0292
17:01-18:00, Tue., 28 Mar. 0.0315 0.0274 0.0293
16:01-17:00, Tue., 28 Mar. 0.0308 0.0268 0.0287
15:01-16:00, Tue., 28 Mar. 0.0303 0.0268 0.0283
14:01-15:00, Tue., 28 Mar. 0.0299 0.0264 0.0282
13:01-14:00, Tue., 28 Mar. 0.0305 0.0257 0.0284
12:01-13:00, Tue., 28 Mar. 0.0315 0.0267 0.0285
11:01-12:00, Tue., 28 Mar. 0.0301 0.0265 0.0284
10:01-11:00, Tue., 28 Mar. 0.0301 0.0266 0.0284
09:01-10:00, Tue., 28 Mar. 0.0299 0.0267 0.0283
08:01-09:00, Tue., 28 Mar. 0.0304 0.0259 0.0284
07:01-08:00, Tue., 28 Mar. 0.0316 0.0266 0.0287
06:01-07:00, Tue., 28 Mar. 0.0308 0.0267 0.0285
05:01-06:00, Tue., 28 Mar. 0.0305 0.0270 0.0288
04:01-05:00, Tue., 28 Mar. 0.0307 0.0267 0.0287
03:01-04:00, Tue., 28 Mar. 0.0308 0.0267 0.0285
02:01-03:00, Tue., 28 Mar. 0.0312 0.0268 0.0290
01:01-02:00, Tue., 28 Mar. 0.0308 0.0272 0.0290
00:01-01:00, Tue., 28 Mar. 0.0304 0.0269 0.0285
23:01-24:00, Mon., 27 Mar. 0.0310 0.0265 0.0285
22:01-23:00, Mon., 27 Mar. 0.0299 0.0257 0.0281
21:01-22:00, Mon., 27 Mar. 0.0305 0.0262 0.0284
20:01-21:00, Mon., 27 Mar. 0.0301 0.0263 0.0280
19:01-20:00, Mon., 27 Mar. 0.0300 0.0260 0.0281
18:01-19:00, Mon., 27 Mar. 0.0301 0.0261 0.0282
17:01-18:00, Mon., 27 Mar. 0.0304 0.0271 0.0285
16:01-17:00, Mon., 27 Mar. 0.0306 0.0266 0.0288
15:01-16:00, Mon., 27 Mar. 0.0312 0.0272 0.0293
14:01-15:00, Mon., 27 Mar. 0.0330 0.0288 0.0302
13:01-14:00, Mon., 27 Mar. 0.0355 0.0293 0.0327
12:01-13:00, Mon., 27 Mar. 0.0350 0.0297 0.0325
11:01-12:00, Mon., 27 Mar. 0.0332 0.0297 0.0311
10:01-11:00, Mon., 27 Mar. 0.0346 0.0291 0.0321
09:01-10:00, Mon., 27 Mar. 0.0374 0.0322 0.0343
08:01-09:00, Mon., 27 Mar. 0.0400 0.0328 0.0360
07:01-08:00, Mon., 27 Mar. 0.0421 0.0356 0.0385
06:01-07:00, Mon., 27 Mar. 0.0449 0.0373 0.0408
05:01-06:00, Mon., 27 Mar. 0.0472 0.0391 0.0438
04:01-05:00, Mon., 27 Mar. 0.0468 0.0391 0.0430
03:01-04:00, Mon., 27 Mar. 0.0424 0.0365 0.0394
02:01-03:00, Mon., 27 Mar. 0.0423 0.0355 0.0388
01:01-02:00, Mon., 27 Mar. 0.0411 0.0343 0.0374
00:01-01:00, Mon., 27 Mar. 0.0410 0.0333 0.0365