Measurement results by the hour (Chofu) 4 Jan., 2021 - 10 Jan., 2021

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., 10 Jan. 0.0329 0.0289 0.0310
22:01-23:00, Sun., 10 Jan. 0.0322 0.0286 0.0305
21:01-22:00, Sun., 10 Jan. 0.0334 0.0277 0.0299
20:01-21:00, Sun., 10 Jan. 0.0317 0.0280 0.0298
19:01-20:00, Sun., 10 Jan. 0.0314 0.0269 0.0295
18:01-19:00, Sun., 10 Jan. 0.0316 0.0270 0.0292
17:01-18:00, Sun., 10 Jan. 0.0311 0.0270 0.0292
16:01-17:00, Sun., 10 Jan. 0.0312 0.0276 0.0295
15:01-16:00, Sun., 10 Jan. 0.0310 0.0278 0.0295
14:01-15:00, Sun., 10 Jan. 0.0321 0.0275 0.0295
13:01-14:00, Sun., 10 Jan. 0.0316 0.0271 0.0298
12:01-13:00, Sun., 10 Jan. 0.0317 0.0284 0.0300
11:01-12:00, Sun., 10 Jan. 0.0316 0.0281 0.0296
10:01-11:00, Sun., 10 Jan. 0.0315 0.0274 0.0297
09:01-10:00, Sun., 10 Jan. 0.0326 0.0285 0.0301
08:01-09:00, Sun., 10 Jan. 0.0322 0.0283 0.0303
07:01-08:00, Sun., 10 Jan. 0.0321 0.0289 0.0305
06:01-07:00, Sun., 10 Jan. 0.0332 0.0286 0.0306
05:01-06:00, Sun., 10 Jan. 0.0329 0.0282 0.0306
04:01-05:00, Sun., 10 Jan. 0.0329 0.0289 0.0307
03:01-04:00, Sun., 10 Jan. 0.0322 0.0280 0.0304
02:01-03:00, Sun., 10 Jan. 0.0318 0.0268 0.0297
01:01-02:00, Sun., 10 Jan. 0.0320 0.0273 0.0298
00:01-01:00, Sun., 10 Jan. 0.0320 0.0278 0.0296
23:01-24:00, Sat., 09 Jan. 0.0318 0.0264 0.0295
22:01-23:00, Sat., 09 Jan. 0.0321 0.0275 0.0294
21:01-22:00, Sat., 09 Jan. 0.0316 0.0271 0.0293
20:01-21:00, Sat., 09 Jan. 0.0314 0.0273 0.0291
19:01-20:00, Sat., 09 Jan. 0.0308 0.0271 0.0290
18:01-19:00, Sat., 09 Jan. 0.0310 0.0267 0.0292
17:01-18:00, Sat., 09 Jan. 0.0314 0.0266 0.0289
16:01-17:00, Sat., 09 Jan. 0.0311 0.0263 0.0289
15:01-16:00, Sat., 09 Jan. 0.0309 0.0268 0.0289
14:01-15:00, Sat., 09 Jan. 0.0316 0.0270 0.0292
13:01-14:00, Sat., 09 Jan. 0.0317 0.0266 0.0290
12:01-13:00, Sat., 09 Jan. 0.0310 0.0272 0.0289
11:01-12:00, Sat., 09 Jan. 0.0311 0.0274 0.0290
10:01-11:00, Sat., 09 Jan. 0.0310 0.0270 0.0291
09:01-10:00, Sat., 09 Jan. 0.0312 0.0274 0.0288
08:01-09:00, Sat., 09 Jan. 0.0308 0.0270 0.0289
07:01-08:00, Sat., 09 Jan. 0.0316 0.0271 0.0291
06:01-07:00, Sat., 09 Jan. 0.0312 0.0272 0.0293
05:01-06:00, Sat., 09 Jan. 0.0318 0.0273 0.0293
04:01-05:00, Sat., 09 Jan. 0.0308 0.0272 0.0291
03:01-04:00, Sat., 09 Jan. 0.0318 0.0268 0.0293
02:01-03:00, Sat., 09 Jan. 0.0315 0.0274 0.0295
01:01-02:00, Sat., 09 Jan. 0.0317 0.0270 0.0296
00:01-01:00, Sat., 09 Jan. 0.0324 0.0278 0.0302
23:01-24:00, Fri., 08 Jan. 0.0320 0.0281 0.0302
22:01-23:00, Fri., 08 Jan. 0.0330 0.0285 0.0300
21:01-22:00, Fri., 08 Jan. 0.0319 0.0278 0.0302
20:01-21:00, Fri., 08 Jan. 0.0320 0.0283 0.0300
19:01-20:00, Fri., 08 Jan. 0.0315 0.0283 0.0297
18:01-19:00, Fri., 08 Jan. 0.0311 0.0276 0.0296
17:01-18:00, Fri., 08 Jan. 0.0320 0.0273 0.0294
16:01-17:00, Fri., 08 Jan. 0.0321 0.0273 0.0296
15:01-16:00, Fri., 08 Jan. 0.0316 0.0274 0.0296
14:01-15:00, Fri., 08 Jan. 0.0317 0.0272 0.0294
13:01-14:00, Fri., 08 Jan. 0.0313 0.0276 0.0296
12:01-13:00, Fri., 08 Jan. 0.0311 0.0281 0.0297
11:01-12:00, Fri., 08 Jan. 0.0320 0.0283 0.0297
10:01-11:00, Fri., 08 Jan. 0.0320 0.0281 0.0301
09:01-10:00, Fri., 08 Jan. 0.0320 0.0283 0.0303
08:01-09:00, Fri., 08 Jan. 0.0331 0.0278 0.0301
07:01-08:00, Fri., 08 Jan. 0.0325 0.0287 0.0304
06:01-07:00, Fri., 08 Jan. 0.0324 0.0285 0.0301
05:01-06:00, Fri., 08 Jan. 0.0325 0.0280 0.0300
04:01-05:00, Fri., 08 Jan. 0.0324 0.0282 0.0299
03:01-04:00, Fri., 08 Jan. 0.0321 0.0280 0.0298
02:01-03:00, Fri., 08 Jan. 0.0320 0.0281 0.0297
01:01-02:00, Fri., 08 Jan. 0.0325 0.0278 0.0300
00:01-01:00, Fri., 08 Jan. 0.0325 0.0285 0.0300
23:01-24:00, Thu., 07 Jan. 0.0326 0.0281 0.0298
22:01-23:00, Thu., 07 Jan. 0.0309 0.0270 0.0294
21:01-22:00, Thu., 07 Jan. 0.0322 0.0274 0.0294
20:01-21:00, Thu., 07 Jan. 0.0309 0.0275 0.0291
19:01-20:00, Thu., 07 Jan. 0.0318 0.0267 0.0291
18:01-19:00, Thu., 07 Jan. 0.0306 0.0266 0.0291
17:01-18:00, Thu., 07 Jan. 0.0320 0.0274 0.0289
16:01-17:00, Thu., 07 Jan. 0.0305 0.0276 0.0289
15:01-16:00, Thu., 07 Jan. 0.0309 0.0265 0.0289
14:01-15:00, Thu., 07 Jan. 0.0311 0.0274 0.0293
13:01-14:00, Thu., 07 Jan. 0.0310 0.0271 0.0290
12:01-13:00, Thu., 07 Jan. 0.0313 0.0279 0.0296
11:01-12:00, Thu., 07 Jan. 0.0312 0.0271 0.0293
10:01-11:00, Thu., 07 Jan. 0.0319 0.0280 0.0298
09:01-10:00, Thu., 07 Jan. 0.0323 0.0276 0.0298
08:01-09:00, Thu., 07 Jan. 0.0326 0.0280 0.0305
07:01-08:00, Thu., 07 Jan. 0.0324 0.0285 0.0303
06:01-07:00, Thu., 07 Jan. 0.0321 0.0286 0.0303
05:01-06:00, Thu., 07 Jan. 0.0314 0.0280 0.0299
04:01-05:00, Thu., 07 Jan. 0.0324 0.0282 0.0300
03:01-04:00, Thu., 07 Jan. 0.0319 0.0274 0.0302
02:01-03:00, Thu., 07 Jan. 0.0317 0.0283 0.0301
01:01-02:00, Thu., 07 Jan. 0.0320 0.0278 0.0298
00:01-01:00, Thu., 07 Jan. 0.0314 0.0281 0.0298
23:01-24:00, Wed., 06 Jan. 0.0314 0.0265 0.0294
22:01-23:00, Wed., 06 Jan. 0.0311 0.0270 0.0290
21:01-22:00, Wed., 06 Jan. 0.0311 0.0268 0.0290
20:01-21:00, Wed., 06 Jan. 0.0313 0.0267 0.0291
19:01-20:00, Wed., 06 Jan. 0.0303 0.0261 0.0289
18:01-19:00, Wed., 06 Jan. 0.0309 0.0269 0.0289
17:01-18:00, Wed., 06 Jan. 0.0310 0.0273 0.0291
16:01-17:00, Wed., 06 Jan. 0.0311 0.0272 0.0291
15:01-16:00, Wed., 06 Jan. 0.0314 0.0274 0.0294
14:01-15:00, Wed., 06 Jan. 0.0319 0.0272 0.0295
13:01-14:00, Wed., 06 Jan. 0.0320 0.0273 0.0294
12:01-13:00, Wed., 06 Jan. 0.0318 0.0277 0.0293
11:01-12:00, Wed., 06 Jan. 0.0316 0.0276 0.0297
10:01-11:00, Wed., 06 Jan. 0.0321 0.0282 0.0299
09:01-10:00, Wed., 06 Jan. 0.0323 0.0274 0.0296
08:01-09:00, Wed., 06 Jan. 0.0322 0.0279 0.0295
07:01-08:00, Wed., 06 Jan. 0.0320 0.0274 0.0300
06:01-07:00, Wed., 06 Jan. 0.0323 0.0279 0.0299
05:01-06:00, Wed., 06 Jan. 0.0330 0.0281 0.0303
04:01-05:00, Wed., 06 Jan. 0.0330 0.0286 0.0308
03:01-04:00, Wed., 06 Jan. 0.0324 0.0287 0.0305
02:01-03:00, Wed., 06 Jan. 0.0326 0.0282 0.0302
01:01-02:00, Wed., 06 Jan. 0.0320 0.0281 0.0297
00:01-01:00, Wed., 06 Jan. 0.0311 0.0273 0.0293
23:01-24:00, Tue., 05 Jan. 0.0315 0.0280 0.0295
22:01-23:00, Tue., 05 Jan. 0.0310 0.0273 0.0292
21:01-22:00, Tue., 05 Jan. 0.0312 0.0273 0.0292
20:01-21:00, Tue., 05 Jan. 0.0308 0.0272 0.0290
19:01-20:00, Tue., 05 Jan. 0.0313 0.0271 0.0292
18:01-19:00, Tue., 05 Jan. 0.0312 0.0274 0.0292
17:01-18:00, Tue., 05 Jan. 0.0311 0.0275 0.0293
16:01-17:00, Tue., 05 Jan. 0.0314 0.0268 0.0291
15:01-16:00, Tue., 05 Jan. 0.0314 0.0273 0.0293
14:01-15:00, Tue., 05 Jan. 0.0306 0.0274 0.0293
13:01-14:00, Tue., 05 Jan. 0.0315 0.0270 0.0293
12:01-13:00, Tue., 05 Jan. 0.0315 0.0277 0.0295
11:01-12:00, Tue., 05 Jan. 0.0319 0.0276 0.0297
10:01-11:00, Tue., 05 Jan. 0.0322 0.0282 0.0304
09:01-10:00, Tue., 05 Jan. 0.0328 0.0288 0.0308
08:01-09:00, Tue., 05 Jan. 0.0336 0.0298 0.0315
07:01-08:00, Tue., 05 Jan. 0.0336 0.0297 0.0315
06:01-07:00, Tue., 05 Jan. 0.0341 0.0296 0.0314
05:01-06:00, Tue., 05 Jan. 0.0326 0.0282 0.0309
04:01-05:00, Tue., 05 Jan. 0.0337 0.0282 0.0314
03:01-04:00, Tue., 05 Jan. 0.0331 0.0284 0.0310
02:01-03:00, Tue., 05 Jan. 0.0333 0.0292 0.0312
01:01-02:00, Tue., 05 Jan. 0.0332 0.0293 0.0313
00:01-01:00, Tue., 05 Jan. 0.0328 0.0289 0.0313
23:01-24:00, Mon., 04 Jan. 0.0331 0.0282 0.0308
22:01-23:00, Mon., 04 Jan. 0.0320 0.0282 0.0306
21:01-22:00, Mon., 04 Jan. 0.0320 0.0281 0.0299
20:01-21:00, Mon., 04 Jan. 0.0314 0.0281 0.0296
19:01-20:00, Mon., 04 Jan. 0.0312 0.0271 0.0292
18:01-19:00, Mon., 04 Jan. 0.0306 0.0273 0.0288
17:01-18:00, Mon., 04 Jan. 0.0310 0.0263 0.0288
16:01-17:00, Mon., 04 Jan. 0.0314 0.0273 0.0290
15:01-16:00, Mon., 04 Jan. 0.0308 0.0273 0.0287
14:01-15:00, Mon., 04 Jan. 0.0312 0.0276 0.0292
13:01-14:00, Mon., 04 Jan. 0.0310 0.0267 0.0291
12:01-13:00, Mon., 04 Jan. 0.0316 0.0266 0.0296
11:01-12:00, Mon., 04 Jan. 0.0329 0.0272 0.0301
10:01-11:00, Mon., 04 Jan. 0.0331 0.0290 0.0309
09:01-10:00, Mon., 04 Jan. 0.0352 0.0306 0.0322
08:01-09:00, Mon., 04 Jan. 0.0345 0.0303 0.0324
07:01-08:00, Mon., 04 Jan. 0.0342 0.0305 0.0322
06:01-07:00, Mon., 04 Jan. 0.0345 0.0287 0.0314
05:01-06:00, Mon., 04 Jan. 0.0331 0.0292 0.0308
04:01-05:00, Mon., 04 Jan. 0.0327 0.0281 0.0304
03:01-04:00, Mon., 04 Jan. 0.0330 0.0285 0.0301
02:01-03:00, Mon., 04 Jan. 0.0320 0.0289 0.0303
01:01-02:00, Mon., 04 Jan. 0.0329 0.0289 0.0309
00:01-01:00, Mon., 04 Jan. 0.0331 0.0291 0.0310