Measurement results by the hour (Chofu) 30 Oct., 2023 - 5 Nov., 2023

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., 05 Nov. 0.0312 0.0266 0.0288
22:01-23:00, Sun., 05 Nov. 0.0318 0.0270 0.0289
21:01-22:00, Sun., 05 Nov. 0.0304 0.0271 0.0288
20:01-21:00, Sun., 05 Nov. 0.0308 0.0270 0.0289
19:01-20:00, Sun., 05 Nov. 0.0305 0.0267 0.0289
18:01-19:00, Sun., 05 Nov. 0.0309 0.0266 0.0289
17:01-18:00, Sun., 05 Nov. 0.0309 0.0269 0.0290
16:01-17:00, Sun., 05 Nov. 0.0316 0.0271 0.0294
15:01-16:00, Sun., 05 Nov. 0.0315 0.0268 0.0293
14:01-15:00, Sun., 05 Nov. 0.0314 0.0271 0.0293
13:01-14:00, Sun., 05 Nov. 0.0317 0.0278 0.0297
12:01-13:00, Sun., 05 Nov. 0.0317 0.0270 0.0297
11:01-12:00, Sun., 05 Nov. 0.0325 0.0279 0.0298
10:01-11:00, Sun., 05 Nov. 0.0318 0.0275 0.0300
09:01-10:00, Sun., 05 Nov. 0.0318 0.0272 0.0300
08:01-09:00, Sun., 05 Nov. 0.0323 0.0279 0.0301
07:01-08:00, Sun., 05 Nov. 0.0322 0.0282 0.0301
06:01-07:00, Sun., 05 Nov. 0.0324 0.0282 0.0303
05:01-06:00, Sun., 05 Nov. 0.0322 0.0275 0.0301
04:01-05:00, Sun., 05 Nov. 0.0332 0.0285 0.0304
03:01-04:00, Sun., 05 Nov. 0.0323 0.0281 0.0302
02:01-03:00, Sun., 05 Nov. 0.0322 0.0282 0.0302
01:01-02:00, Sun., 05 Nov. 0.0326 0.0286 0.0302
00:01-01:00, Sun., 05 Nov. 0.0321 0.0282 0.0303
23:01-24:00, Sat., 04 Nov. 0.0321 0.0276 0.0302
22:01-23:00, Sat., 04 Nov. 0.0331 0.0280 0.0300
21:01-22:00, Sat., 04 Nov. 0.0315 0.0274 0.0296
20:01-21:00, Sat., 04 Nov. 0.0320 0.0280 0.0298
19:01-20:00, Sat., 04 Nov. 0.0325 0.0273 0.0295
18:01-19:00, Sat., 04 Nov. 0.0310 0.0259 0.0288
17:01-18:00, Sat., 04 Nov. 0.0305 0.0270 0.0286
16:01-17:00, Sat., 04 Nov. 0.0310 0.0256 0.0288
15:01-16:00, Sat., 04 Nov. 0.0311 0.0267 0.0288
14:01-15:00, Sat., 04 Nov. 0.0310 0.0270 0.0287
13:01-14:00, Sat., 04 Nov. 0.0307 0.0267 0.0289
12:01-13:00, Sat., 04 Nov. 0.0311 0.0273 0.0291
11:01-12:00, Sat., 04 Nov. 0.0318 0.0264 0.0298
10:01-11:00, Sat., 04 Nov. 0.0320 0.0280 0.0304
09:01-10:00, Sat., 04 Nov. 0.0328 0.0281 0.0304
08:01-09:00, Sat., 04 Nov. 0.0337 0.0290 0.0308
07:01-08:00, Sat., 04 Nov. 0.0322 0.0283 0.0305
06:01-07:00, Sat., 04 Nov. 0.0325 0.0278 0.0302
05:01-06:00, Sat., 04 Nov. 0.0326 0.0272 0.0302
04:01-05:00, Sat., 04 Nov. 0.0326 0.0283 0.0301
03:01-04:00, Sat., 04 Nov. 0.0318 0.0281 0.0302
02:01-03:00, Sat., 04 Nov. 0.0333 0.0275 0.0303
01:01-02:00, Sat., 04 Nov. 0.0329 0.0286 0.0302
00:01-01:00, Sat., 04 Nov. 0.0322 0.0274 0.0301
23:01-24:00, Fri., 03 Nov. 0.0328 0.0281 0.0303
22:01-23:00, Fri., 03 Nov. 0.0314 0.0273 0.0298
21:01-22:00, Fri., 03 Nov. 0.0325 0.0279 0.0299
20:01-21:00, Fri., 03 Nov. 0.0315 0.0273 0.0298
19:01-20:00, Fri., 03 Nov. 0.0313 0.0269 0.0288
18:01-19:00, Fri., 03 Nov. 0.0313 0.0266 0.0286
17:01-18:00, Fri., 03 Nov. 0.0317 0.0267 0.0288
16:01-17:00, Fri., 03 Nov. 0.0312 0.0269 0.0288
15:01-16:00, Fri., 03 Nov. 0.0316 0.0271 0.0291
14:01-15:00, Fri., 03 Nov. 0.0313 0.0264 0.0289
13:01-14:00, Fri., 03 Nov. 0.0311 0.0269 0.0291
12:01-13:00, Fri., 03 Nov. 0.0317 0.0263 0.0295
11:01-12:00, Fri., 03 Nov. 0.0324 0.0284 0.0302
10:01-11:00, Fri., 03 Nov. 0.0325 0.0280 0.0305
09:01-10:00, Fri., 03 Nov. 0.0324 0.0287 0.0305
08:01-09:00, Fri., 03 Nov. 0.0328 0.0287 0.0306
07:01-08:00, Fri., 03 Nov. 0.0332 0.0288 0.0305
06:01-07:00, Fri., 03 Nov. 0.0331 0.0283 0.0303
05:01-06:00, Fri., 03 Nov. 0.0322 0.0280 0.0303
04:01-05:00, Fri., 03 Nov. 0.0322 0.0276 0.0302
03:01-04:00, Fri., 03 Nov. 0.0326 0.0284 0.0304
02:01-03:00, Fri., 03 Nov. 0.0322 0.0289 0.0305
01:01-02:00, Fri., 03 Nov. 0.0336 0.0281 0.0302
00:01-01:00, Fri., 03 Nov. 0.0329 0.0282 0.0303
23:01-24:00, Thu., 02 Nov. 0.0322 0.0276 0.0301
22:01-23:00, Thu., 02 Nov. 0.0327 0.0275 0.0299
21:01-22:00, Thu., 02 Nov. 0.0323 0.0273 0.0299
20:01-21:00, Thu., 02 Nov. 0.0319 0.0280 0.0298
19:01-20:00, Thu., 02 Nov. 0.0316 0.0271 0.0298
18:01-19:00, Thu., 02 Nov. 0.0319 0.0273 0.0294
17:01-18:00, Thu., 02 Nov. 0.0310 0.0266 0.0290
16:01-17:00, Thu., 02 Nov. 0.0315 0.0273 0.0292
15:01-16:00, Thu., 02 Nov. 0.0317 0.0279 0.0297
14:01-15:00, Thu., 02 Nov. 0.0319 0.0282 0.0300
13:01-14:00, Thu., 02 Nov. 0.0315 0.0283 0.0296
12:01-13:00, Thu., 02 Nov. 0.0310 0.0273 0.0296
11:01-12:00, Thu., 02 Nov. 0.0317 0.0277 0.0297
10:01-11:00, Thu., 02 Nov. 0.0319 0.0276 0.0299
09:01-10:00, Thu., 02 Nov. 0.0325 0.0275 0.0304
08:01-09:00, Thu., 02 Nov. 0.0327 0.0278 0.0303
07:01-08:00, Thu., 02 Nov. 0.0339 0.0282 0.0303
06:01-07:00, Thu., 02 Nov. 0.0324 0.0279 0.0302
05:01-06:00, Thu., 02 Nov. 0.0322 0.0286 0.0302
04:01-05:00, Thu., 02 Nov. 0.0322 0.0280 0.0302
03:01-04:00, Thu., 02 Nov. 0.0320 0.0277 0.0300
02:01-03:00, Thu., 02 Nov. 0.0315 0.0282 0.0298
01:01-02:00, Thu., 02 Nov. 0.0313 0.0275 0.0297
00:01-01:00, Thu., 02 Nov. 0.0315 0.0267 0.0296
23:01-24:00, Wed., 01 Nov. 0.0306 0.0275 0.0287
22:01-23:00, Wed., 01 Nov. 0.0321 0.0268 0.0285
21:01-22:00, Wed., 01 Nov. 0.0308 0.0265 0.0287
20:01-21:00, Wed., 01 Nov. 0.0308 0.0264 0.0285
19:01-20:00, Wed., 01 Nov. 0.0307 0.0270 0.0285
18:01-19:00, Wed., 01 Nov. 0.0306 0.0269 0.0283
17:01-18:00, Wed., 01 Nov. 0.0299 0.0259 0.0280
16:01-17:00, Wed., 01 Nov. 0.0304 0.0261 0.0283
15:01-16:00, Wed., 01 Nov. 0.0301 0.0259 0.0281
14:01-15:00, Wed., 01 Nov. 0.0312 0.0266 0.0285
13:01-14:00, Wed., 01 Nov. 0.0322 0.0266 0.0285
12:01-13:00, Wed., 01 Nov. 0.0315 0.0263 0.0290
11:01-12:00, Wed., 01 Nov. 0.0315 0.0271 0.0292
10:01-11:00, Wed., 01 Nov. 0.0320 0.0273 0.0296
09:01-10:00, Wed., 01 Nov. 0.0318 0.0277 0.0295
08:01-09:00, Wed., 01 Nov. 0.0326 0.0282 0.0305
07:01-08:00, Wed., 01 Nov. 0.0338 0.0287 0.0309
06:01-07:00, Wed., 01 Nov. 0.0322 0.0276 0.0303
05:01-06:00, Wed., 01 Nov. 0.0327 0.0287 0.0305
04:01-05:00, Wed., 01 Nov. 0.0327 0.0275 0.0304
03:01-04:00, Wed., 01 Nov. 0.0327 0.0286 0.0302
02:01-03:00, Wed., 01 Nov. 0.0318 0.0271 0.0299
01:01-02:00, Wed., 01 Nov. 0.0318 0.0273 0.0297
00:01-01:00, Wed., 01 Nov. 0.0322 0.0277 0.0298
23:01-24:00, Tue., 31 Oct. 0.0315 0.0276 0.0293
22:01-23:00, Tue., 31 Oct. 0.0310 0.0269 0.0288
21:01-22:00, Tue., 31 Oct. 0.0308 0.0267 0.0288
20:01-21:00, Tue., 31 Oct. 0.0311 0.0266 0.0289
19:01-20:00, Tue., 31 Oct. 0.0305 0.0259 0.0284
18:01-19:00, Tue., 31 Oct. 0.0303 0.0262 0.0283
17:01-18:00, Tue., 31 Oct. 0.0307 0.0262 0.0284
16:01-17:00, Tue., 31 Oct. 0.0311 0.0264 0.0284
15:01-16:00, Tue., 31 Oct. 0.0304 0.0265 0.0284
14:01-15:00, Tue., 31 Oct. 0.0308 0.0267 0.0285
13:01-14:00, Tue., 31 Oct. 0.0316 0.0263 0.0287
12:01-13:00, Tue., 31 Oct. 0.0306 0.0263 0.0285
11:01-12:00, Tue., 31 Oct. 0.0305 0.0265 0.0287
10:01-11:00, Tue., 31 Oct. 0.0314 0.0271 0.0287
09:01-10:00, Tue., 31 Oct. 0.0310 0.0269 0.0288
08:01-09:00, Tue., 31 Oct. 0.0319 0.0271 0.0293
07:01-08:00, Tue., 31 Oct. 0.0320 0.0270 0.0297
06:01-07:00, Tue., 31 Oct. 0.0322 0.0270 0.0295
05:01-06:00, Tue., 31 Oct. 0.0307 0.0267 0.0291
04:01-05:00, Tue., 31 Oct. 0.0320 0.0274 0.0296
03:01-04:00, Tue., 31 Oct. 0.0322 0.0276 0.0299
02:01-03:00, Tue., 31 Oct. 0.0319 0.0273 0.0295
01:01-02:00, Tue., 31 Oct. 0.0317 0.0272 0.0293
00:01-01:00, Tue., 31 Oct. 0.0308 0.0266 0.0288
23:01-24:00, Mon., 30 Oct. 0.0304 0.0262 0.0285
22:01-23:00, Mon., 30 Oct. 0.0301 0.0262 0.0282
21:01-22:00, Mon., 30 Oct. 0.0302 0.0263 0.0282
20:01-21:00, Mon., 30 Oct. 0.0305 0.0253 0.0281
19:01-20:00, Mon., 30 Oct. 0.0303 0.0262 0.0283
18:01-19:00, Mon., 30 Oct. 0.0301 0.0267 0.0282
17:01-18:00, Mon., 30 Oct. 0.0297 0.0266 0.0281
16:01-17:00, Mon., 30 Oct. 0.0302 0.0266 0.0283
15:01-16:00, Mon., 30 Oct. 0.0304 0.0259 0.0285
14:01-15:00, Mon., 30 Oct. 0.0318 0.0262 0.0283
13:01-14:00, Mon., 30 Oct. 0.0307 0.0263 0.0287
12:01-13:00, Mon., 30 Oct. 0.0311 0.0263 0.0287
11:01-12:00, Mon., 30 Oct. 0.0311 0.0266 0.0287
10:01-11:00, Mon., 30 Oct. 0.0322 0.0269 0.0291
09:01-10:00, Mon., 30 Oct. 0.0309 0.0272 0.0291
08:01-09:00, Mon., 30 Oct. 0.0315 0.0267 0.0292
07:01-08:00, Mon., 30 Oct. 0.0316 0.0272 0.0297
06:01-07:00, Mon., 30 Oct. 0.0311 0.0266 0.0295
05:01-06:00, Mon., 30 Oct. 0.0326 0.0274 0.0297
04:01-05:00, Mon., 30 Oct. 0.0319 0.0273 0.0295
03:01-04:00, Mon., 30 Oct. 0.0325 0.0275 0.0295
02:01-03:00, Mon., 30 Oct. 0.0321 0.0273 0.0294
01:01-02:00, Mon., 30 Oct. 0.0319 0.0276 0.0293
00:01-01:00, Mon., 30 Oct. 0.0315 0.0273 0.0293