Measurement results by the hour (Chofu) 14 Dec., 2020 - 20 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., 20 Dec. 0.0304 0.0267 0.0286
22:01-23:00, Sun., 20 Dec. 0.0303 0.0268 0.0289
21:01-22:00, Sun., 20 Dec. 0.0304 0.0264 0.0284
20:01-21:00, Sun., 20 Dec. 0.0302 0.0266 0.0283
19:01-20:00, Sun., 20 Dec. 0.0298 0.0267 0.0281
18:01-19:00, Sun., 20 Dec. 0.0311 0.0266 0.0282
17:01-18:00, Sun., 20 Dec. 0.0298 0.0259 0.0279
16:01-17:00, Sun., 20 Dec. 0.0308 0.0267 0.0281
15:01-16:00, Sun., 20 Dec. 0.0297 0.0267 0.0284
14:01-15:00, Sun., 20 Dec. 0.0304 0.0265 0.0283
13:01-14:00, Sun., 20 Dec. 0.0300 0.0269 0.0284
12:01-13:00, Sun., 20 Dec. 0.0305 0.0262 0.0283
11:01-12:00, Sun., 20 Dec. 0.0302 0.0262 0.0286
10:01-11:00, Sun., 20 Dec. 0.0307 0.0268 0.0288
09:01-10:00, Sun., 20 Dec. 0.0312 0.0267 0.0289
08:01-09:00, Sun., 20 Dec. 0.0312 0.0267 0.0289
07:01-08:00, Sun., 20 Dec. 0.0320 0.0279 0.0297
06:01-07:00, Sun., 20 Dec. 0.0334 0.0285 0.0308
05:01-06:00, Sun., 20 Dec. 0.0335 0.0296 0.0316
04:01-05:00, Sun., 20 Dec. 0.0332 0.0294 0.0312
03:01-04:00, Sun., 20 Dec. 0.0333 0.0290 0.0307
02:01-03:00, Sun., 20 Dec. 0.0322 0.0279 0.0304
01:01-02:00, Sun., 20 Dec. 0.0320 0.0277 0.0297
00:01-01:00, Sun., 20 Dec. 0.0316 0.0263 0.0290
23:01-24:00, Sat., 19 Dec. 0.0315 0.0270 0.0290
22:01-23:00, Sat., 19 Dec. 0.0309 0.0268 0.0289
21:01-22:00, Sat., 19 Dec. 0.0298 0.0266 0.0285
20:01-21:00, Sat., 19 Dec. 0.0314 0.0270 0.0288
19:01-20:00, Sat., 19 Dec. 0.0310 0.0267 0.0289
18:01-19:00, Sat., 19 Dec. 0.0307 0.0275 0.0289
17:01-18:00, Sat., 19 Dec. 0.0308 0.0266 0.0288
16:01-17:00, Sat., 19 Dec. 0.0315 0.0268 0.0286
15:01-16:00, Sat., 19 Dec. 0.0309 0.0275 0.0291
14:01-15:00, Sat., 19 Dec. 0.0318 0.0271 0.0292
13:01-14:00, Sat., 19 Dec. 0.0319 0.0268 0.0291
12:01-13:00, Sat., 19 Dec. 0.0314 0.0279 0.0292
11:01-12:00, Sat., 19 Dec. 0.0305 0.0271 0.0289
10:01-11:00, Sat., 19 Dec. 0.0323 0.0271 0.0294
09:01-10:00, Sat., 19 Dec. 0.0315 0.0277 0.0293
08:01-09:00, Sat., 19 Dec. 0.0313 0.0276 0.0293
07:01-08:00, Sat., 19 Dec. 0.0314 0.0279 0.0295
06:01-07:00, Sat., 19 Dec. 0.0315 0.0283 0.0298
05:01-06:00, Sat., 19 Dec. 0.0323 0.0283 0.0297
04:01-05:00, Sat., 19 Dec. 0.0325 0.0283 0.0303
03:01-04:00, Sat., 19 Dec. 0.0337 0.0284 0.0311
02:01-03:00, Sat., 19 Dec. 0.0327 0.0293 0.0308
01:01-02:00, Sat., 19 Dec. 0.0326 0.0288 0.0304
00:01-01:00, Sat., 19 Dec. 0.0332 0.0285 0.0303
23:01-24:00, Fri., 18 Dec. 0.0320 0.0283 0.0304
22:01-23:00, Fri., 18 Dec. 0.0321 0.0279 0.0300
21:01-22:00, Fri., 18 Dec. 0.0315 0.0283 0.0300
20:01-21:00, Fri., 18 Dec. 0.0321 0.0267 0.0292
19:01-20:00, Fri., 18 Dec. 0.0308 0.0263 0.0287
18:01-19:00, Fri., 18 Dec. 0.0306 0.0260 0.0286
17:01-18:00, Fri., 18 Dec. 0.0304 0.0267 0.0284
16:01-17:00, Fri., 18 Dec. 0.0302 0.0268 0.0283
15:01-16:00, Fri., 18 Dec. 0.0301 0.0262 0.0283
14:01-15:00, Fri., 18 Dec. 0.0300 0.0260 0.0284
13:01-14:00, Fri., 18 Dec. 0.0298 0.0267 0.0284
12:01-13:00, Fri., 18 Dec. 0.0308 0.0269 0.0288
11:01-12:00, Fri., 18 Dec. 0.0311 0.0270 0.0292
10:01-11:00, Fri., 18 Dec. 0.0322 0.0276 0.0302
09:01-10:00, Fri., 18 Dec. 0.0331 0.0282 0.0311
08:01-09:00, Fri., 18 Dec. 0.0325 0.0287 0.0306
07:01-08:00, Fri., 18 Dec. 0.0335 0.0280 0.0307
06:01-07:00, Fri., 18 Dec. 0.0334 0.0280 0.0306
05:01-06:00, Fri., 18 Dec. 0.0328 0.0290 0.0309
04:01-05:00, Fri., 18 Dec. 0.0329 0.0284 0.0308
03:01-04:00, Fri., 18 Dec. 0.0335 0.0283 0.0306
02:01-03:00, Fri., 18 Dec. 0.0323 0.0285 0.0303
01:01-02:00, Fri., 18 Dec. 0.0331 0.0278 0.0302
00:01-01:00, Fri., 18 Dec. 0.0324 0.0283 0.0301
23:01-24:00, Thu., 17 Dec. 0.0321 0.0283 0.0303
22:01-23:00, Thu., 17 Dec. 0.0319 0.0288 0.0301
21:01-22:00, Thu., 17 Dec. 0.0308 0.0275 0.0292
20:01-21:00, Thu., 17 Dec. 0.0315 0.0268 0.0286
19:01-20:00, Thu., 17 Dec. 0.0306 0.0267 0.0285
18:01-19:00, Thu., 17 Dec. 0.0298 0.0264 0.0282
17:01-18:00, Thu., 17 Dec. 0.0301 0.0261 0.0281
16:01-17:00, Thu., 17 Dec. 0.0303 0.0266 0.0281
15:01-16:00, Thu., 17 Dec. 0.0303 0.0268 0.0284
14:01-15:00, Thu., 17 Dec. 0.0310 0.0267 0.0284
13:01-14:00, Thu., 17 Dec. 0.0304 0.0267 0.0286
12:01-13:00, Thu., 17 Dec. 0.0310 0.0272 0.0289
11:01-12:00, Thu., 17 Dec. 0.0306 0.0271 0.0290
10:01-11:00, Thu., 17 Dec. 0.0316 0.0272 0.0294
09:01-10:00, Thu., 17 Dec. 0.0323 0.0277 0.0298
08:01-09:00, Thu., 17 Dec. 0.0324 0.0287 0.0300
07:01-08:00, Thu., 17 Dec. 0.0313 0.0277 0.0296
06:01-07:00, Thu., 17 Dec. 0.0316 0.0277 0.0294
05:01-06:00, Thu., 17 Dec. 0.0311 0.0266 0.0292
04:01-05:00, Thu., 17 Dec. 0.0309 0.0275 0.0291
03:01-04:00, Thu., 17 Dec. 0.0309 0.0269 0.0290
02:01-03:00, Thu., 17 Dec. 0.0312 0.0273 0.0291
01:01-02:00, Thu., 17 Dec. 0.0312 0.0275 0.0293
00:01-01:00, Thu., 17 Dec. 0.0317 0.0271 0.0291
23:01-24:00, Wed., 16 Dec. 0.0315 0.0270 0.0290
22:01-23:00, Wed., 16 Dec. 0.0310 0.0269 0.0288
21:01-22:00, Wed., 16 Dec. 0.0314 0.0273 0.0290
20:01-21:00, Wed., 16 Dec. 0.0313 0.0269 0.0291
19:01-20:00, Wed., 16 Dec. 0.0316 0.0267 0.0291
18:01-19:00, Wed., 16 Dec. 0.0306 0.0273 0.0289
17:01-18:00, Wed., 16 Dec. 0.0312 0.0271 0.0289
16:01-17:00, Wed., 16 Dec. 0.0313 0.0275 0.0290
15:01-16:00, Wed., 16 Dec. 0.0308 0.0268 0.0289
14:01-15:00, Wed., 16 Dec. 0.0315 0.0260 0.0291
13:01-14:00, Wed., 16 Dec. 0.0310 0.0262 0.0292
12:01-13:00, Wed., 16 Dec. 0.0319 0.0269 0.0291
11:01-12:00, Wed., 16 Dec. 0.0306 0.0271 0.0289
10:01-11:00, Wed., 16 Dec. 0.0296 0.0273 0.0290
09:01-10:00, Wed., 16 Dec. 0.0318 0.0280 0.0298
08:01-09:00, Wed., 16 Dec. 0.0319 0.0287 0.0302
07:01-08:00, Wed., 16 Dec. 0.0322 0.0276 0.0301
06:01-07:00, Wed., 16 Dec. 0.0320 0.0279 0.0299
05:01-06:00, Wed., 16 Dec. 0.0314 0.0271 0.0296
04:01-05:00, Wed., 16 Dec. 0.0326 0.0277 0.0296
03:01-04:00, Wed., 16 Dec. 0.0317 0.0271 0.0297
02:01-03:00, Wed., 16 Dec. 0.0320 0.0280 0.0300
01:01-02:00, Wed., 16 Dec. 0.0313 0.0272 0.0297
00:01-01:00, Wed., 16 Dec. 0.0314 0.0275 0.0296
23:01-24:00, Tue., 15 Dec. 0.0315 0.0278 0.0296
22:01-23:00, Tue., 15 Dec. 0.0325 0.0279 0.0301
21:01-22:00, Tue., 15 Dec. 0.0317 0.0277 0.0297
20:01-21:00, Tue., 15 Dec. 0.0319 0.0271 0.0299
19:01-20:00, Tue., 15 Dec. 0.0317 0.0280 0.0297
18:01-19:00, Tue., 15 Dec. 0.0323 0.0282 0.0297
17:01-18:00, Tue., 15 Dec. 0.0314 0.0263 0.0293
16:01-17:00, Tue., 15 Dec. 0.0315 0.0276 0.0294
15:01-16:00, Tue., 15 Dec. 0.0315 0.0272 0.0292
14:01-15:00, Tue., 15 Dec. 0.0309 0.0280 0.0293
13:01-14:00, Tue., 15 Dec. 0.0322 0.0278 0.0299
12:01-13:00, Tue., 15 Dec. 0.0320 0.0286 0.0299
11:01-12:00, Tue., 15 Dec. 0.0322 0.0288 0.0303
10:01-11:00, Tue., 15 Dec. 0.0321 0.0288 0.0304
09:01-10:00, Tue., 15 Dec. 0.0335 0.0292 0.0310
08:01-09:00, Tue., 15 Dec. 0.0344 0.0300 0.0316
07:01-08:00, Tue., 15 Dec. 0.0324 0.0291 0.0306
06:01-07:00, Tue., 15 Dec. 0.0324 0.0282 0.0306
05:01-06:00, Tue., 15 Dec. 0.0322 0.0285 0.0301
04:01-05:00, Tue., 15 Dec. 0.0318 0.0280 0.0299
03:01-04:00, Tue., 15 Dec. 0.0320 0.0278 0.0301
02:01-03:00, Tue., 15 Dec. 0.0323 0.0269 0.0300
01:01-02:00, Tue., 15 Dec. 0.0323 0.0283 0.0299
00:01-01:00, Tue., 15 Dec. 0.0326 0.0281 0.0300
23:01-24:00, Mon., 14 Dec. 0.0324 0.0279 0.0299
22:01-23:00, Mon., 14 Dec. 0.0320 0.0276 0.0299
21:01-22:00, Mon., 14 Dec. 0.0315 0.0283 0.0298
20:01-21:00, Mon., 14 Dec. 0.0320 0.0280 0.0303
19:01-20:00, Mon., 14 Dec. 0.0317 0.0284 0.0300
18:01-19:00, Mon., 14 Dec. 0.0319 0.0279 0.0300
17:01-18:00, Mon., 14 Dec. 0.0320 0.0278 0.0303
16:01-17:00, Mon., 14 Dec. 0.0330 0.0283 0.0308
15:01-16:00, Mon., 14 Dec. 0.0337 0.0292 0.0319
14:01-15:00, Mon., 14 Dec. 0.0322 0.0280 0.0298
13:01-14:00, Mon., 14 Dec. 0.0315 0.0274 0.0296
12:01-13:00, Mon., 14 Dec. 0.0318 0.0272 0.0295
11:01-12:00, Mon., 14 Dec. 0.0320 0.0281 0.0300
10:01-11:00, Mon., 14 Dec. 0.0323 0.0281 0.0299
09:01-10:00, Mon., 14 Dec. 0.0320 0.0284 0.0303
08:01-09:00, Mon., 14 Dec. 0.0331 0.0288 0.0309
07:01-08:00, Mon., 14 Dec. 0.0333 0.0288 0.0311
06:01-07:00, Mon., 14 Dec. 0.0337 0.0290 0.0311
05:01-06:00, Mon., 14 Dec. 0.0327 0.0291 0.0305
04:01-05:00, Mon., 14 Dec. 0.0329 0.0275 0.0303
03:01-04:00, Mon., 14 Dec. 0.0325 0.0281 0.0303
02:01-03:00, Mon., 14 Dec. 0.0318 0.0277 0.0300
01:01-02:00, Mon., 14 Dec. 0.0315 0.0285 0.0299
00:01-01:00, Mon., 14 Dec. 0.0321 0.0279 0.0299