Measurement results by the hour (Chofu) 15 Jan., 2018 - 21 Jan., 2018

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., 21 Jan. 0.0320 0.0272 0.0292
22:01-23:00, Sun., 21 Jan. 0.0312 0.0279 0.0294
21:01-22:00, Sun., 21 Jan. 0.0316 0.0275 0.0294
20:01-21:00, Sun., 21 Jan. 0.0305 0.0268 0.0291
19:01-20:00, Sun., 21 Jan. 0.0318 0.0272 0.0293
18:01-19:00, Sun., 21 Jan. 0.0314 0.0275 0.0291
17:01-18:00, Sun., 21 Jan. 0.0306 0.0273 0.0288
16:01-17:00, Sun., 21 Jan. 0.0308 0.0271 0.0290
15:01-16:00, Sun., 21 Jan. 0.0309 0.0273 0.0291
14:01-15:00, Sun., 21 Jan. 0.0312 0.0277 0.0291
13:01-14:00, Sun., 21 Jan. 0.0314 0.0270 0.0292
12:01-13:00, Sun., 21 Jan. 0.0310 0.0279 0.0294
11:01-12:00, Sun., 21 Jan. 0.0319 0.0271 0.0294
10:01-11:00, Sun., 21 Jan. 0.0323 0.0278 0.0300
09:01-10:00, Sun., 21 Jan. 0.0324 0.0282 0.0302
08:01-09:00, Sun., 21 Jan. 0.0341 0.0296 0.0315
07:01-08:00, Sun., 21 Jan. 0.0336 0.0295 0.0321
06:01-07:00, Sun., 21 Jan. 0.0343 0.0298 0.0326
05:01-06:00, Sun., 21 Jan. 0.0342 0.0303 0.0324
04:01-05:00, Sun., 21 Jan. 0.0352 0.0301 0.0325
03:01-04:00, Sun., 21 Jan. 0.0342 0.0301 0.0322
02:01-03:00, Sun., 21 Jan. 0.0339 0.0291 0.0313
01:01-02:00, Sun., 21 Jan. 0.0329 0.0296 0.0311
00:01-01:00, Sun., 21 Jan. 0.0329 0.0288 0.0306
23:01-24:00, Sat., 20 Jan. 0.0323 0.0286 0.0303
22:01-23:00, Sat., 20 Jan. 0.0331 0.0286 0.0307
21:01-22:00, Sat., 20 Jan. 0.0331 0.0280 0.0302
20:01-21:00, Sat., 20 Jan. 0.0318 0.0276 0.0298
19:01-20:00, Sat., 20 Jan. 0.0308 0.0263 0.0291
18:01-19:00, Sat., 20 Jan. 0.0303 0.0271 0.0288
17:01-18:00, Sat., 20 Jan. 0.0308 0.0268 0.0290
16:01-17:00, Sat., 20 Jan. 0.0313 0.0274 0.0290
15:01-16:00, Sat., 20 Jan. 0.0305 0.0268 0.0292
14:01-15:00, Sat., 20 Jan. 0.0319 0.0275 0.0293
13:01-14:00, Sat., 20 Jan. 0.0317 0.0273 0.0295
12:01-13:00, Sat., 20 Jan. 0.0316 0.0276 0.0295
11:01-12:00, Sat., 20 Jan. 0.0315 0.0277 0.0295
10:01-11:00, Sat., 20 Jan. 0.0319 0.0281 0.0297
09:01-10:00, Sat., 20 Jan. 0.0317 0.0270 0.0295
08:01-09:00, Sat., 20 Jan. 0.0316 0.0278 0.0298
07:01-08:00, Sat., 20 Jan. 0.0317 0.0271 0.0296
06:01-07:00, Sat., 20 Jan. 0.0314 0.0276 0.0295
05:01-06:00, Sat., 20 Jan. 0.0312 0.0277 0.0294
04:01-05:00, Sat., 20 Jan. 0.0308 0.0273 0.0293
03:01-04:00, Sat., 20 Jan. 0.0326 0.0273 0.0291
02:01-03:00, Sat., 20 Jan. 0.0312 0.0271 0.0290
01:01-02:00, Sat., 20 Jan. 0.0317 0.0274 0.0290
00:01-01:00, Sat., 20 Jan. 0.0306 0.0270 0.0287
23:01-24:00, Fri., 19 Jan. 0.0305 0.0270 0.0287
22:01-23:00, Fri., 19 Jan. 0.0306 0.0270 0.0289
21:01-22:00, Fri., 19 Jan. 0.0304 0.0267 0.0286
20:01-21:00, Fri., 19 Jan. 0.0302 0.0269 0.0285
19:01-20:00, Fri., 19 Jan. 0.0306 0.0259 0.0287
18:01-19:00, Fri., 19 Jan. 0.0308 0.0272 0.0290
17:01-18:00, Fri., 19 Jan. 0.0312 0.0267 0.0289
16:01-17:00, Fri., 19 Jan. 0.0313 0.0272 0.0290
15:01-16:00, Fri., 19 Jan. 0.0307 0.0268 0.0288
14:01-15:00, Fri., 19 Jan. 0.0306 0.0271 0.0288
13:01-14:00, Fri., 19 Jan. 0.0307 0.0272 0.0288
12:01-13:00, Fri., 19 Jan. 0.0305 0.0276 0.0290
11:01-12:00, Fri., 19 Jan. 0.0303 0.0273 0.0290
10:01-11:00, Fri., 19 Jan. 0.0316 0.0277 0.0293
09:01-10:00, Fri., 19 Jan. 0.0316 0.0269 0.0293
08:01-09:00, Fri., 19 Jan. 0.0314 0.0270 0.0293
07:01-08:00, Fri., 19 Jan. 0.0315 0.0277 0.0292
06:01-07:00, Fri., 19 Jan. 0.0315 0.0273 0.0293
05:01-06:00, Fri., 19 Jan. 0.0309 0.0275 0.0293
04:01-05:00, Fri., 19 Jan. 0.0321 0.0270 0.0292
03:01-04:00, Fri., 19 Jan. 0.0310 0.0271 0.0293
02:01-03:00, Fri., 19 Jan. 0.0313 0.0276 0.0295
01:01-02:00, Fri., 19 Jan. 0.0311 0.0276 0.0294
00:01-01:00, Fri., 19 Jan. 0.0321 0.0279 0.0300
23:01-24:00, Thu., 18 Jan. 0.0326 0.0276 0.0302
22:01-23:00, Thu., 18 Jan. 0.0316 0.0276 0.0299
21:01-22:00, Thu., 18 Jan. 0.0314 0.0282 0.0298
20:01-21:00, Thu., 18 Jan. 0.0318 0.0278 0.0295
19:01-20:00, Thu., 18 Jan. 0.0309 0.0267 0.0291
18:01-19:00, Thu., 18 Jan. 0.0306 0.0274 0.0289
17:01-18:00, Thu., 18 Jan. 0.0303 0.0272 0.0288
16:01-17:00, Thu., 18 Jan. 0.0311 0.0271 0.0290
15:01-16:00, Thu., 18 Jan. 0.0311 0.0268 0.0288
14:01-15:00, Thu., 18 Jan. 0.0307 0.0270 0.0288
13:01-14:00, Thu., 18 Jan. 0.0312 0.0276 0.0291
12:01-13:00, Thu., 18 Jan. 0.0306 0.0269 0.0287
11:01-12:00, Thu., 18 Jan. 0.0304 0.0260 0.0287
10:01-11:00, Thu., 18 Jan. 0.0312 0.0274 0.0292
09:01-10:00, Thu., 18 Jan. 0.0314 0.0281 0.0296
08:01-09:00, Thu., 18 Jan. 0.0315 0.0270 0.0296
07:01-08:00, Thu., 18 Jan. 0.0309 0.0276 0.0295
06:01-07:00, Thu., 18 Jan. 0.0311 0.0275 0.0293
05:01-06:00, Thu., 18 Jan. 0.0318 0.0278 0.0294
04:01-05:00, Thu., 18 Jan. 0.0316 0.0275 0.0292
03:01-04:00, Thu., 18 Jan. 0.0309 0.0270 0.0290
02:01-03:00, Thu., 18 Jan. 0.0307 0.0270 0.0289
01:01-02:00, Thu., 18 Jan. 0.0311 0.0270 0.0291
00:01-01:00, Thu., 18 Jan. 0.0323 0.0281 0.0297
23:01-24:00, Wed., 17 Jan. 0.0326 0.0287 0.0303
22:01-23:00, Wed., 17 Jan. 0.0349 0.0293 0.0314
21:01-22:00, Wed., 17 Jan. 0.0366 0.0314 0.0342
20:01-21:00, Wed., 17 Jan. 0.0370 0.0297 0.0334
19:01-20:00, Wed., 17 Jan. 0.0459 0.0354 0.0387
18:01-19:00, Wed., 17 Jan. 0.0485 0.0374 0.0442
17:01-18:00, Wed., 17 Jan. 0.0433 0.0345 0.0374
16:01-17:00, Wed., 17 Jan. 0.0370 0.0320 0.0346
15:01-16:00, Wed., 17 Jan. 0.0355 0.0311 0.0328
14:01-15:00, Wed., 17 Jan. 0.0339 0.0298 0.0316
13:01-14:00, Wed., 17 Jan. 0.0338 0.0299 0.0318
12:01-13:00, Wed., 17 Jan. 0.0359 0.0301 0.0325
11:01-12:00, Wed., 17 Jan. 0.0342 0.0293 0.0315
10:01-11:00, Wed., 17 Jan. 0.0330 0.0289 0.0310
09:01-10:00, Wed., 17 Jan. 0.0339 0.0289 0.0312
08:01-09:00, Wed., 17 Jan. 0.0345 0.0296 0.0319
07:01-08:00, Wed., 17 Jan. 0.0343 0.0301 0.0320
06:01-07:00, Wed., 17 Jan. 0.0367 0.0302 0.0322
05:01-06:00, Wed., 17 Jan. 0.0344 0.0296 0.0321
04:01-05:00, Wed., 17 Jan. 0.0346 0.0307 0.0323
03:01-04:00, Wed., 17 Jan. 0.0335 0.0293 0.0316
02:01-03:00, Wed., 17 Jan. 0.0333 0.0292 0.0312
01:01-02:00, Wed., 17 Jan. 0.0332 0.0292 0.0310
00:01-01:00, Wed., 17 Jan. 0.0328 0.0291 0.0311
23:01-24:00, Tue., 16 Jan. 0.0330 0.0287 0.0310
22:01-23:00, Tue., 16 Jan. 0.0338 0.0285 0.0309
21:01-22:00, Tue., 16 Jan. 0.0325 0.0280 0.0300
20:01-21:00, Tue., 16 Jan. 0.0329 0.0276 0.0297
19:01-20:00, Tue., 16 Jan. 0.0317 0.0266 0.0293
18:01-19:00, Tue., 16 Jan. 0.0309 0.0268 0.0290
17:01-18:00, Tue., 16 Jan. 0.0307 0.0267 0.0288
16:01-17:00, Tue., 16 Jan. 0.0313 0.0277 0.0288
15:01-16:00, Tue., 16 Jan. 0.0310 0.0266 0.0290
14:01-15:00, Tue., 16 Jan. 0.0312 0.0274 0.0293
13:01-14:00, Tue., 16 Jan. 0.0316 0.0272 0.0294
12:01-13:00, Tue., 16 Jan. 0.0318 0.0278 0.0297
11:01-12:00, Tue., 16 Jan. 0.0324 0.0282 0.0302
10:01-11:00, Tue., 16 Jan. 0.0329 0.0284 0.0306
09:01-10:00, Tue., 16 Jan. 0.0339 0.0293 0.0313
08:01-09:00, Tue., 16 Jan. 0.0343 0.0300 0.0321
07:01-08:00, Tue., 16 Jan. 0.0344 0.0297 0.0319
06:01-07:00, Tue., 16 Jan. 0.0333 0.0295 0.0314
05:01-06:00, Tue., 16 Jan. 0.0343 0.0289 0.0314
04:01-05:00, Tue., 16 Jan. 0.0342 0.0290 0.0316
03:01-04:00, Tue., 16 Jan. 0.0342 0.0295 0.0318
02:01-03:00, Tue., 16 Jan. 0.0338 0.0296 0.0317
01:01-02:00, Tue., 16 Jan. 0.0337 0.0297 0.0317
00:01-01:00, Tue., 16 Jan. 0.0343 0.0291 0.0316
23:01-24:00, Mon., 15 Jan. 0.0338 0.0296 0.0312
22:01-23:00, Mon., 15 Jan. 0.0337 0.0287 0.0313
21:01-22:00, Mon., 15 Jan. 0.0336 0.0286 0.0308
20:01-21:00, Mon., 15 Jan. 0.0319 0.0272 0.0298
19:01-20:00, Mon., 15 Jan. 0.0317 0.0273 0.0297
18:01-19:00, Mon., 15 Jan. 0.0317 0.0283 0.0300
17:01-18:00, Mon., 15 Jan. 0.0320 0.0282 0.0300
16:01-17:00, Mon., 15 Jan. 0.0315 0.0274 0.0297
15:01-16:00, Mon., 15 Jan. 0.0317 0.0276 0.0298
14:01-15:00, Mon., 15 Jan. 0.0319 0.0276 0.0300
13:01-14:00, Mon., 15 Jan. 0.0320 0.0278 0.0299
12:01-13:00, Mon., 15 Jan. 0.0327 0.0280 0.0302
11:01-12:00, Mon., 15 Jan. 0.0327 0.0286 0.0304
10:01-11:00, Mon., 15 Jan. 0.0327 0.0286 0.0309
09:01-10:00, Mon., 15 Jan. 0.0332 0.0289 0.0310
08:01-09:00, Mon., 15 Jan. 0.0324 0.0292 0.0309
07:01-08:00, Mon., 15 Jan. 0.0327 0.0287 0.0309
06:01-07:00, Mon., 15 Jan. 0.0331 0.0283 0.0312
05:01-06:00, Mon., 15 Jan. 0.0324 0.0287 0.0306
04:01-05:00, Mon., 15 Jan. 0.0327 0.0288 0.0306
03:01-04:00, Mon., 15 Jan. 0.0326 0.0290 0.0307
02:01-03:00, Mon., 15 Jan. 0.0332 0.0288 0.0309
01:01-02:00, Mon., 15 Jan. 0.0326 0.0272 0.0302
00:01-01:00, Mon., 15 Jan. 0.0315 0.0277 0.0296