Measurement results by the hour (Chofu) 30 Nov., 2020 - 6 Dec., 2020

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., 06 Dec. 0.0327 0.0281 0.0304
22:01-23:00, Sun., 06 Dec. 0.0328 0.0284 0.0302
21:01-22:00, Sun., 06 Dec. 0.0319 0.0281 0.0299
20:01-21:00, Sun., 06 Dec. 0.0324 0.0278 0.0295
19:01-20:00, Sun., 06 Dec. 0.0309 0.0272 0.0290
18:01-19:00, Sun., 06 Dec. 0.0307 0.0273 0.0288
17:01-18:00, Sun., 06 Dec. 0.0302 0.0269 0.0287
16:01-17:00, Sun., 06 Dec. 0.0314 0.0268 0.0285
15:01-16:00, Sun., 06 Dec. 0.0303 0.0263 0.0283
14:01-15:00, Sun., 06 Dec. 0.0304 0.0272 0.0287
13:01-14:00, Sun., 06 Dec. 0.0308 0.0273 0.0289
12:01-13:00, Sun., 06 Dec. 0.0316 0.0269 0.0293
11:01-12:00, Sun., 06 Dec. 0.0319 0.0274 0.0299
10:01-11:00, Sun., 06 Dec. 0.0325 0.0281 0.0303
09:01-10:00, Sun., 06 Dec. 0.0332 0.0287 0.0306
08:01-09:00, Sun., 06 Dec. 0.0330 0.0281 0.0306
07:01-08:00, Sun., 06 Dec. 0.0332 0.0292 0.0310
06:01-07:00, Sun., 06 Dec. 0.0329 0.0295 0.0308
05:01-06:00, Sun., 06 Dec. 0.0316 0.0283 0.0301
04:01-05:00, Sun., 06 Dec. 0.0324 0.0276 0.0302
03:01-04:00, Sun., 06 Dec. 0.0327 0.0285 0.0303
02:01-03:00, Sun., 06 Dec. 0.0322 0.0284 0.0305
01:01-02:00, Sun., 06 Dec. 0.0321 0.0286 0.0302
00:01-01:00, Sun., 06 Dec. 0.0333 0.0283 0.0302
23:01-24:00, Sat., 05 Dec. 0.0318 0.0277 0.0301
22:01-23:00, Sat., 05 Dec. 0.0314 0.0280 0.0300
21:01-22:00, Sat., 05 Dec. 0.0308 0.0275 0.0293
20:01-21:00, Sat., 05 Dec. 0.0304 0.0268 0.0286
19:01-20:00, Sat., 05 Dec. 0.0305 0.0263 0.0286
18:01-19:00, Sat., 05 Dec. 0.0308 0.0272 0.0286
17:01-18:00, Sat., 05 Dec. 0.0310 0.0266 0.0287
16:01-17:00, Sat., 05 Dec. 0.0316 0.0272 0.0291
15:01-16:00, Sat., 05 Dec. 0.0338 0.0289 0.0307
14:01-15:00, Sat., 05 Dec. 0.0383 0.0309 0.0346
13:01-14:00, Sat., 05 Dec. 0.0388 0.0341 0.0364
12:01-13:00, Sat., 05 Dec. 0.0399 0.0334 0.0362
11:01-12:00, Sat., 05 Dec. 0.0362 0.0310 0.0334
10:01-11:00, Sat., 05 Dec. 0.0381 0.0319 0.0347
09:01-10:00, Sat., 05 Dec. 0.0351 0.0296 0.0323
08:01-09:00, Sat., 05 Dec. 0.0341 0.0288 0.0317
07:01-08:00, Sat., 05 Dec. 0.0370 0.0306 0.0333
06:01-07:00, Sat., 05 Dec. 0.0370 0.0331 0.0351
05:01-06:00, Sat., 05 Dec. 0.0365 0.0294 0.0326
04:01-05:00, Sat., 05 Dec. 0.0318 0.0278 0.0297
03:01-04:00, Sat., 05 Dec. 0.0308 0.0274 0.0293
02:01-03:00, Sat., 05 Dec. 0.0312 0.0270 0.0292
01:01-02:00, Sat., 05 Dec. 0.0318 0.0272 0.0291
00:01-01:00, Sat., 05 Dec. 0.0314 0.0265 0.0290
23:01-24:00, Fri., 04 Dec. 0.0319 0.0275 0.0292
22:01-23:00, Fri., 04 Dec. 0.0309 0.0267 0.0286
21:01-22:00, Fri., 04 Dec. 0.0312 0.0271 0.0291
20:01-21:00, Fri., 04 Dec. 0.0315 0.0273 0.0291
19:01-20:00, Fri., 04 Dec. 0.0305 0.0265 0.0286
18:01-19:00, Fri., 04 Dec. 0.0303 0.0271 0.0287
17:01-18:00, Fri., 04 Dec. 0.0303 0.0261 0.0282
16:01-17:00, Fri., 04 Dec. 0.0307 0.0262 0.0283
15:01-16:00, Fri., 04 Dec. 0.0301 0.0266 0.0283
14:01-15:00, Fri., 04 Dec. 0.0309 0.0270 0.0287
13:01-14:00, Fri., 04 Dec. 0.0313 0.0265 0.0288
12:01-13:00, Fri., 04 Dec. 0.0309 0.0271 0.0289
11:01-12:00, Fri., 04 Dec. 0.0315 0.0272 0.0289
10:01-11:00, Fri., 04 Dec. 0.0315 0.0266 0.0289
09:01-10:00, Fri., 04 Dec. 0.0314 0.0273 0.0292
08:01-09:00, Fri., 04 Dec. 0.0318 0.0273 0.0291
07:01-08:00, Fri., 04 Dec. 0.0317 0.0269 0.0292
06:01-07:00, Fri., 04 Dec. 0.0313 0.0271 0.0293
05:01-06:00, Fri., 04 Dec. 0.0314 0.0276 0.0291
04:01-05:00, Fri., 04 Dec. 0.0321 0.0277 0.0294
03:01-04:00, Fri., 04 Dec. 0.0317 0.0282 0.0296
02:01-03:00, Fri., 04 Dec. 0.0321 0.0276 0.0295
01:01-02:00, Fri., 04 Dec. 0.0320 0.0284 0.0302
00:01-01:00, Fri., 04 Dec. 0.0333 0.0285 0.0307
23:01-24:00, Thu., 03 Dec. 0.0321 0.0281 0.0300
22:01-23:00, Thu., 03 Dec. 0.0318 0.0273 0.0296
21:01-22:00, Thu., 03 Dec. 0.0314 0.0269 0.0290
20:01-21:00, Thu., 03 Dec. 0.0320 0.0270 0.0293
19:01-20:00, Thu., 03 Dec. 0.0313 0.0275 0.0293
18:01-19:00, Thu., 03 Dec. 0.0306 0.0268 0.0289
17:01-18:00, Thu., 03 Dec. 0.0315 0.0277 0.0292
16:01-17:00, Thu., 03 Dec. 0.0318 0.0270 0.0292
15:01-16:00, Thu., 03 Dec. 0.0315 0.0273 0.0293
14:01-15:00, Thu., 03 Dec. 0.0311 0.0267 0.0291
13:01-14:00, Thu., 03 Dec. 0.0318 0.0277 0.0295
12:01-13:00, Thu., 03 Dec. 0.0311 0.0277 0.0293
11:01-12:00, Thu., 03 Dec. 0.0317 0.0279 0.0296
10:01-11:00, Thu., 03 Dec. 0.0309 0.0274 0.0290
09:01-10:00, Thu., 03 Dec. 0.0317 0.0272 0.0292
08:01-09:00, Thu., 03 Dec. 0.0319 0.0278 0.0295
07:01-08:00, Thu., 03 Dec. 0.0313 0.0278 0.0296
06:01-07:00, Thu., 03 Dec. 0.0307 0.0275 0.0292
05:01-06:00, Thu., 03 Dec. 0.0318 0.0284 0.0300
04:01-05:00, Thu., 03 Dec. 0.0318 0.0284 0.0299
03:01-04:00, Thu., 03 Dec. 0.0313 0.0280 0.0295
02:01-03:00, Thu., 03 Dec. 0.0322 0.0265 0.0289
01:01-02:00, Thu., 03 Dec. 0.0308 0.0253 0.0290
00:01-01:00, Thu., 03 Dec. 0.0318 0.0270 0.0291
23:01-24:00, Wed., 02 Dec. 0.0309 0.0270 0.0288
22:01-23:00, Wed., 02 Dec. 0.0308 0.0271 0.0289
21:01-22:00, Wed., 02 Dec. 0.0312 0.0269 0.0293
20:01-21:00, Wed., 02 Dec. 0.0329 0.0284 0.0305
19:01-20:00, Wed., 02 Dec. 0.0396 0.0302 0.0339
18:01-19:00, Wed., 02 Dec. 0.0427 0.0353 0.0376
17:01-18:00, Wed., 02 Dec. 0.0389 0.0318 0.0353
16:01-17:00, Wed., 02 Dec. 0.0355 0.0315 0.0335
15:01-16:00, Wed., 02 Dec. 0.0381 0.0322 0.0347
14:01-15:00, Wed., 02 Dec. 0.0362 0.0277 0.0309
13:01-14:00, Wed., 02 Dec. 0.0322 0.0284 0.0300
12:01-13:00, Wed., 02 Dec. 0.0320 0.0285 0.0300
11:01-12:00, Wed., 02 Dec. 0.0315 0.0279 0.0298
10:01-11:00, Wed., 02 Dec. 0.0320 0.0282 0.0304
09:01-10:00, Wed., 02 Dec. 0.0325 0.0289 0.0305
08:01-09:00, Wed., 02 Dec. 0.0338 0.0291 0.0314
07:01-08:00, Wed., 02 Dec. 0.0338 0.0295 0.0316
06:01-07:00, Wed., 02 Dec. 0.0332 0.0292 0.0312
05:01-06:00, Wed., 02 Dec. 0.0331 0.0293 0.0309
04:01-05:00, Wed., 02 Dec. 0.0321 0.0283 0.0304
03:01-04:00, Wed., 02 Dec. 0.0320 0.0284 0.0302
02:01-03:00, Wed., 02 Dec. 0.0319 0.0275 0.0300
01:01-02:00, Wed., 02 Dec. 0.0326 0.0284 0.0301
00:01-01:00, Wed., 02 Dec. 0.0321 0.0282 0.0300
23:01-24:00, Tue., 01 Dec. 0.0318 0.0281 0.0298
22:01-23:00, Tue., 01 Dec. 0.0309 0.0278 0.0292
21:01-22:00, Tue., 01 Dec. 0.0309 0.0265 0.0289
20:01-21:00, Tue., 01 Dec. 0.0308 0.0273 0.0289
19:01-20:00, Tue., 01 Dec. 0.0317 0.0272 0.0289
18:01-19:00, Tue., 01 Dec. 0.0317 0.0273 0.0290
17:01-18:00, Tue., 01 Dec. 0.0311 0.0273 0.0293
16:01-17:00, Tue., 01 Dec. 0.0313 0.0275 0.0293
15:01-16:00, Tue., 01 Dec. 0.0312 0.0270 0.0292
14:01-15:00, Tue., 01 Dec. 0.0317 0.0277 0.0293
13:01-14:00, Tue., 01 Dec. 0.0316 0.0279 0.0294
12:01-13:00, Tue., 01 Dec. 0.0320 0.0279 0.0294
11:01-12:00, Tue., 01 Dec. 0.0321 0.0279 0.0296
10:01-11:00, Tue., 01 Dec. 0.0320 0.0281 0.0299
09:01-10:00, Tue., 01 Dec. 0.0328 0.0288 0.0308
08:01-09:00, Tue., 01 Dec. 0.0331 0.0292 0.0310
07:01-08:00, Tue., 01 Dec. 0.0330 0.0292 0.0311
06:01-07:00, Tue., 01 Dec. 0.0338 0.0300 0.0316
05:01-06:00, Tue., 01 Dec. 0.0352 0.0296 0.0322
04:01-05:00, Tue., 01 Dec. 0.0338 0.0292 0.0318
03:01-04:00, Tue., 01 Dec. 0.0328 0.0287 0.0305
02:01-03:00, Tue., 01 Dec. 0.0325 0.0279 0.0302
01:01-02:00, Tue., 01 Dec. 0.0322 0.0284 0.0301
00:01-01:00, Tue., 01 Dec. 0.0324 0.0281 0.0300
23:01-24:00, Mon., 30 Nov. 0.0320 0.0281 0.0301
22:01-23:00, Mon., 30 Nov. 0.0322 0.0273 0.0300
21:01-22:00, Mon., 30 Nov. 0.0327 0.0276 0.0292
20:01-21:00, Mon., 30 Nov. 0.0309 0.0274 0.0290
19:01-20:00, Mon., 30 Nov. 0.0315 0.0272 0.0293
18:01-19:00, Mon., 30 Nov. 0.0318 0.0282 0.0295
17:01-18:00, Mon., 30 Nov. 0.0317 0.0275 0.0295
16:01-17:00, Mon., 30 Nov. 0.0312 0.0276 0.0295
15:01-16:00, Mon., 30 Nov. 0.0319 0.0284 0.0298
14:01-15:00, Mon., 30 Nov. 0.0315 0.0278 0.0294
13:01-14:00, Mon., 30 Nov. 0.0317 0.0283 0.0297
12:01-13:00, Mon., 30 Nov. 0.0315 0.0281 0.0300
11:01-12:00, Mon., 30 Nov. 0.0325 0.0286 0.0306
10:01-11:00, Mon., 30 Nov. 0.0335 0.0283 0.0317
09:01-10:00, Mon., 30 Nov. 0.0348 0.0301 0.0327
08:01-09:00, Mon., 30 Nov. 0.0362 0.0312 0.0334
07:01-08:00, Mon., 30 Nov. 0.0351 0.0313 0.0329
06:01-07:00, Mon., 30 Nov. 0.0353 0.0300 0.0330
05:01-06:00, Mon., 30 Nov. 0.0352 0.0306 0.0329
04:01-05:00, Mon., 30 Nov. 0.0350 0.0307 0.0327
03:01-04:00, Mon., 30 Nov. 0.0341 0.0299 0.0323
02:01-03:00, Mon., 30 Nov. 0.0332 0.0299 0.0319
01:01-02:00, Mon., 30 Nov. 0.0340 0.0294 0.0316
00:01-01:00, Mon., 30 Nov. 0.0334 0.0293 0.0313