Measurement results by the hour (Chofu) 21 Dec., 2020 - 27 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., 27 Dec. 0.0313 0.0272 0.0294
22:01-23:00, Sun., 27 Dec. 0.0320 0.0283 0.0300
21:01-22:00, Sun., 27 Dec. 0.0312 0.0273 0.0294
20:01-21:00, Sun., 27 Dec. 0.0307 0.0275 0.0291
19:01-20:00, Sun., 27 Dec. 0.0312 0.0266 0.0290
18:01-19:00, Sun., 27 Dec. 0.0315 0.0265 0.0290
17:01-18:00, Sun., 27 Dec. 0.0310 0.0267 0.0288
16:01-17:00, Sun., 27 Dec. 0.0306 0.0266 0.0286
15:01-16:00, Sun., 27 Dec. 0.0312 0.0276 0.0289
14:01-15:00, Sun., 27 Dec. 0.0309 0.0272 0.0293
13:01-14:00, Sun., 27 Dec. 0.0312 0.0276 0.0296
12:01-13:00, Sun., 27 Dec. 0.0334 0.0278 0.0303
11:01-12:00, Sun., 27 Dec. 0.0328 0.0281 0.0308
10:01-11:00, Sun., 27 Dec. 0.0327 0.0294 0.0313
09:01-10:00, Sun., 27 Dec. 0.0338 0.0286 0.0316
08:01-09:00, Sun., 27 Dec. 0.0338 0.0300 0.0320
07:01-08:00, Sun., 27 Dec. 0.0344 0.0305 0.0323
06:01-07:00, Sun., 27 Dec. 0.0340 0.0305 0.0322
05:01-06:00, Sun., 27 Dec. 0.0350 0.0307 0.0325
04:01-05:00, Sun., 27 Dec. 0.0341 0.0307 0.0325
03:01-04:00, Sun., 27 Dec. 0.0346 0.0304 0.0323
02:01-03:00, Sun., 27 Dec. 0.0348 0.0301 0.0322
01:01-02:00, Sun., 27 Dec. 0.0342 0.0298 0.0320
00:01-01:00, Sun., 27 Dec. 0.0336 0.0297 0.0316
23:01-24:00, Sat., 26 Dec. 0.0327 0.0299 0.0312
22:01-23:00, Sat., 26 Dec. 0.0330 0.0288 0.0309
21:01-22:00, Sat., 26 Dec. 0.0326 0.0292 0.0307
20:01-21:00, Sat., 26 Dec. 0.0315 0.0277 0.0301
19:01-20:00, Sat., 26 Dec. 0.0318 0.0277 0.0297
18:01-19:00, Sat., 26 Dec. 0.0317 0.0275 0.0294
17:01-18:00, Sat., 26 Dec. 0.0318 0.0271 0.0293
16:01-17:00, Sat., 26 Dec. 0.0309 0.0263 0.0291
15:01-16:00, Sat., 26 Dec. 0.0315 0.0268 0.0292
14:01-15:00, Sat., 26 Dec. 0.0310 0.0273 0.0293
13:01-14:00, Sat., 26 Dec. 0.0311 0.0272 0.0293
12:01-13:00, Sat., 26 Dec. 0.0321 0.0280 0.0300
11:01-12:00, Sat., 26 Dec. 0.0323 0.0286 0.0305
10:01-11:00, Sat., 26 Dec. 0.0325 0.0292 0.0311
09:01-10:00, Sat., 26 Dec. 0.0338 0.0305 0.0323
08:01-09:00, Sat., 26 Dec. 0.0354 0.0314 0.0329
07:01-08:00, Sat., 26 Dec. 0.0343 0.0295 0.0322
06:01-07:00, Sat., 26 Dec. 0.0338 0.0295 0.0315
05:01-06:00, Sat., 26 Dec. 0.0329 0.0291 0.0308
04:01-05:00, Sat., 26 Dec. 0.0326 0.0278 0.0303
03:01-04:00, Sat., 26 Dec. 0.0323 0.0281 0.0297
02:01-03:00, Sat., 26 Dec. 0.0315 0.0279 0.0298
01:01-02:00, Sat., 26 Dec. 0.0311 0.0269 0.0296
00:01-01:00, Sat., 26 Dec. 0.0322 0.0277 0.0297
23:01-24:00, Fri., 25 Dec. 0.0314 0.0279 0.0297
22:01-23:00, Fri., 25 Dec. 0.0313 0.0274 0.0297
21:01-22:00, Fri., 25 Dec. 0.0319 0.0271 0.0292
20:01-21:00, Fri., 25 Dec. 0.0312 0.0272 0.0293
19:01-20:00, Fri., 25 Dec. 0.0317 0.0271 0.0294
18:01-19:00, Fri., 25 Dec. 0.0316 0.0277 0.0294
17:01-18:00, Fri., 25 Dec. 0.0317 0.0278 0.0296
16:01-17:00, Fri., 25 Dec. 0.0316 0.0278 0.0296
15:01-16:00, Fri., 25 Dec. 0.0323 0.0277 0.0298
14:01-15:00, Fri., 25 Dec. 0.0316 0.0281 0.0297
13:01-14:00, Fri., 25 Dec. 0.0315 0.0280 0.0297
12:01-13:00, Fri., 25 Dec. 0.0314 0.0278 0.0299
11:01-12:00, Fri., 25 Dec. 0.0330 0.0280 0.0304
10:01-11:00, Fri., 25 Dec. 0.0318 0.0279 0.0300
09:01-10:00, Fri., 25 Dec. 0.0328 0.0283 0.0304
08:01-09:00, Fri., 25 Dec. 0.0328 0.0282 0.0303
07:01-08:00, Fri., 25 Dec. 0.0329 0.0283 0.0309
06:01-07:00, Fri., 25 Dec. 0.0353 0.0308 0.0327
05:01-06:00, Fri., 25 Dec. 0.0346 0.0302 0.0327
04:01-05:00, Fri., 25 Dec. 0.0346 0.0302 0.0322
03:01-04:00, Fri., 25 Dec. 0.0342 0.0303 0.0320
02:01-03:00, Fri., 25 Dec. 0.0348 0.0303 0.0323
01:01-02:00, Fri., 25 Dec. 0.0340 0.0303 0.0320
00:01-01:00, Fri., 25 Dec. 0.0338 0.0287 0.0311
23:01-24:00, Thu., 24 Dec. 0.0336 0.0291 0.0310
22:01-23:00, Thu., 24 Dec. 0.0326 0.0290 0.0305
21:01-22:00, Thu., 24 Dec. 0.0322 0.0285 0.0305
20:01-21:00, Thu., 24 Dec. 0.0321 0.0278 0.0301
19:01-20:00, Thu., 24 Dec. 0.0326 0.0285 0.0305
18:01-19:00, Thu., 24 Dec. 0.0324 0.0288 0.0304
17:01-18:00, Thu., 24 Dec. 0.0328 0.0283 0.0303
16:01-17:00, Thu., 24 Dec. 0.0316 0.0277 0.0296
15:01-16:00, Thu., 24 Dec. 0.0315 0.0283 0.0299
14:01-15:00, Thu., 24 Dec. 0.0321 0.0278 0.0301
13:01-14:00, Thu., 24 Dec. 0.0333 0.0287 0.0306
12:01-13:00, Thu., 24 Dec. 0.0327 0.0284 0.0306
11:01-12:00, Thu., 24 Dec. 0.0335 0.0282 0.0306
10:01-11:00, Thu., 24 Dec. 0.0342 0.0292 0.0314
09:01-10:00, Thu., 24 Dec. 0.0342 0.0295 0.0317
08:01-09:00, Thu., 24 Dec. 0.0341 0.0300 0.0319
07:01-08:00, Thu., 24 Dec. 0.0341 0.0301 0.0319
06:01-07:00, Thu., 24 Dec. 0.0342 0.0292 0.0316
05:01-06:00, Thu., 24 Dec. 0.0334 0.0290 0.0312
04:01-05:00, Thu., 24 Dec. 0.0333 0.0290 0.0308
03:01-04:00, Thu., 24 Dec. 0.0326 0.0290 0.0309
02:01-03:00, Thu., 24 Dec. 0.0329 0.0291 0.0305
01:01-02:00, Thu., 24 Dec. 0.0334 0.0286 0.0303
00:01-01:00, Thu., 24 Dec. 0.0331 0.0287 0.0307
23:01-24:00, Wed., 23 Dec. 0.0323 0.0281 0.0301
22:01-23:00, Wed., 23 Dec. 0.0331 0.0278 0.0299
21:01-22:00, Wed., 23 Dec. 0.0319 0.0274 0.0299
20:01-21:00, Wed., 23 Dec. 0.0314 0.0275 0.0294
19:01-20:00, Wed., 23 Dec. 0.0317 0.0272 0.0292
18:01-19:00, Wed., 23 Dec. 0.0306 0.0271 0.0290
17:01-18:00, Wed., 23 Dec. 0.0312 0.0276 0.0292
16:01-17:00, Wed., 23 Dec. 0.0305 0.0269 0.0290
15:01-16:00, Wed., 23 Dec. 0.0311 0.0271 0.0293
14:01-15:00, Wed., 23 Dec. 0.0319 0.0275 0.0294
13:01-14:00, Wed., 23 Dec. 0.0315 0.0279 0.0294
12:01-13:00, Wed., 23 Dec. 0.0317 0.0282 0.0297
11:01-12:00, Wed., 23 Dec. 0.0320 0.0281 0.0299
10:01-11:00, Wed., 23 Dec. 0.0332 0.0290 0.0309
09:01-10:00, Wed., 23 Dec. 0.0346 0.0291 0.0315
08:01-09:00, Wed., 23 Dec. 0.0337 0.0295 0.0319
07:01-08:00, Wed., 23 Dec. 0.0345 0.0304 0.0323
06:01-07:00, Wed., 23 Dec. 0.0348 0.0304 0.0327
05:01-06:00, Wed., 23 Dec. 0.0352 0.0301 0.0321
04:01-05:00, Wed., 23 Dec. 0.0351 0.0297 0.0321
03:01-04:00, Wed., 23 Dec. 0.0344 0.0289 0.0316
02:01-03:00, Wed., 23 Dec. 0.0336 0.0285 0.0306
01:01-02:00, Wed., 23 Dec. 0.0326 0.0290 0.0307
00:01-01:00, Wed., 23 Dec. 0.0330 0.0281 0.0303
23:01-24:00, Tue., 22 Dec. 0.0325 0.0286 0.0303
22:01-23:00, Tue., 22 Dec. 0.0319 0.0284 0.0301
21:01-22:00, Tue., 22 Dec. 0.0323 0.0274 0.0300
20:01-21:00, Tue., 22 Dec. 0.0310 0.0279 0.0296
19:01-20:00, Tue., 22 Dec. 0.0315 0.0273 0.0293
18:01-19:00, Tue., 22 Dec. 0.0317 0.0264 0.0288
17:01-18:00, Tue., 22 Dec. 0.0302 0.0268 0.0286
16:01-17:00, Tue., 22 Dec. 0.0307 0.0269 0.0288
15:01-16:00, Tue., 22 Dec. 0.0309 0.0262 0.0288
14:01-15:00, Tue., 22 Dec. 0.0305 0.0266 0.0290
13:01-14:00, Tue., 22 Dec. 0.0310 0.0274 0.0291
12:01-13:00, Tue., 22 Dec. 0.0308 0.0267 0.0291
11:01-12:00, Tue., 22 Dec. 0.0322 0.0280 0.0300
10:01-11:00, Tue., 22 Dec. 0.0324 0.0288 0.0303
09:01-10:00, Tue., 22 Dec. 0.0329 0.0292 0.0312
08:01-09:00, Tue., 22 Dec. 0.0344 0.0294 0.0315
07:01-08:00, Tue., 22 Dec. 0.0349 0.0298 0.0320
06:01-07:00, Tue., 22 Dec. 0.0345 0.0291 0.0320
05:01-06:00, Tue., 22 Dec. 0.0337 0.0300 0.0318
04:01-05:00, Tue., 22 Dec. 0.0336 0.0294 0.0318
03:01-04:00, Tue., 22 Dec. 0.0335 0.0297 0.0314
02:01-03:00, Tue., 22 Dec. 0.0329 0.0292 0.0311
01:01-02:00, Tue., 22 Dec. 0.0345 0.0286 0.0311
00:01-01:00, Tue., 22 Dec. 0.0325 0.0283 0.0305
23:01-24:00, Mon., 21 Dec. 0.0322 0.0285 0.0300
22:01-23:00, Mon., 21 Dec. 0.0317 0.0272 0.0298
21:01-22:00, Mon., 21 Dec. 0.0323 0.0276 0.0294
20:01-21:00, Mon., 21 Dec. 0.0311 0.0261 0.0289
19:01-20:00, Mon., 21 Dec. 0.0301 0.0266 0.0286
18:01-19:00, Mon., 21 Dec. 0.0304 0.0266 0.0285
17:01-18:00, Mon., 21 Dec. 0.0304 0.0265 0.0287
16:01-17:00, Mon., 21 Dec. 0.0302 0.0263 0.0282
15:01-16:00, Mon., 21 Dec. 0.0304 0.0269 0.0284
14:01-15:00, Mon., 21 Dec. 0.0313 0.0267 0.0287
13:01-14:00, Mon., 21 Dec. 0.0304 0.0266 0.0285
12:01-13:00, Mon., 21 Dec. 0.0312 0.0265 0.0291
11:01-12:00, Mon., 21 Dec. 0.0309 0.0273 0.0291
10:01-11:00, Mon., 21 Dec. 0.0320 0.0279 0.0297
09:01-10:00, Mon., 21 Dec. 0.0333 0.0289 0.0308
08:01-09:00, Mon., 21 Dec. 0.0327 0.0291 0.0310
07:01-08:00, Mon., 21 Dec. 0.0331 0.0285 0.0312
06:01-07:00, Mon., 21 Dec. 0.0336 0.0300 0.0317
05:01-06:00, Mon., 21 Dec. 0.0331 0.0290 0.0308
04:01-05:00, Mon., 21 Dec. 0.0334 0.0293 0.0310
03:01-04:00, Mon., 21 Dec. 0.0325 0.0280 0.0303
02:01-03:00, Mon., 21 Dec. 0.0312 0.0276 0.0296
01:01-02:00, Mon., 21 Dec. 0.0308 0.0271 0.0289
00:01-01:00, Mon., 21 Dec. 0.0300 0.0268 0.0285