Measurement results by the hour (Chofu) 26 Oct., 2020 - 1 Nov., 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., 01 Nov. 0.0324 0.0274 0.0297
22:01-23:00, Sun., 01 Nov. 0.0309 0.0275 0.0294
21:01-22:00, Sun., 01 Nov. 0.0316 0.0269 0.0289
20:01-21:00, Sun., 01 Nov. 0.0308 0.0270 0.0289
19:01-20:00, Sun., 01 Nov. 0.0305 0.0268 0.0285
18:01-19:00, Sun., 01 Nov. 0.0305 0.0260 0.0283
17:01-18:00, Sun., 01 Nov. 0.0295 0.0256 0.0279
16:01-17:00, Sun., 01 Nov. 0.0291 0.0263 0.0277
15:01-16:00, Sun., 01 Nov. 0.0300 0.0258 0.0276
14:01-15:00, Sun., 01 Nov. 0.0298 0.0259 0.0277
13:01-14:00, Sun., 01 Nov. 0.0301 0.0251 0.0280
12:01-13:00, Sun., 01 Nov. 0.0298 0.0261 0.0282
11:01-12:00, Sun., 01 Nov. 0.0305 0.0273 0.0287
10:01-11:00, Sun., 01 Nov. 0.0313 0.0266 0.0293
09:01-10:00, Sun., 01 Nov. 0.0329 0.0273 0.0300
08:01-09:00, Sun., 01 Nov. 0.0327 0.0282 0.0308
07:01-08:00, Sun., 01 Nov. 0.0339 0.0297 0.0314
06:01-07:00, Sun., 01 Nov. 0.0328 0.0275 0.0310
05:01-06:00, Sun., 01 Nov. 0.0331 0.0284 0.0309
04:01-05:00, Sun., 01 Nov. 0.0325 0.0290 0.0307
03:01-04:00, Sun., 01 Nov. 0.0324 0.0289 0.0307
02:01-03:00, Sun., 01 Nov. 0.0321 0.0280 0.0302
01:01-02:00, Sun., 01 Nov. 0.0321 0.0286 0.0301
00:01-01:00, Sun., 01 Nov. 0.0318 0.0282 0.0298
23:01-24:00, Sat., 31 Oct. 0.0317 0.0284 0.0298
22:01-23:00, Sat., 31 Oct. 0.0314 0.0276 0.0295
21:01-22:00, Sat., 31 Oct. 0.0312 0.0270 0.0293
20:01-21:00, Sat., 31 Oct. 0.0302 0.0261 0.0282
19:01-20:00, Sat., 31 Oct. 0.0307 0.0258 0.0282
18:01-19:00, Sat., 31 Oct. 0.0301 0.0263 0.0283
17:01-18:00, Sat., 31 Oct. 0.0304 0.0264 0.0283
16:01-17:00, Sat., 31 Oct. 0.0301 0.0264 0.0283
15:01-16:00, Sat., 31 Oct. 0.0301 0.0269 0.0284
14:01-15:00, Sat., 31 Oct. 0.0300 0.0263 0.0286
13:01-14:00, Sat., 31 Oct. 0.0315 0.0264 0.0286
12:01-13:00, Sat., 31 Oct. 0.0313 0.0269 0.0288
11:01-12:00, Sat., 31 Oct. 0.0315 0.0278 0.0294
10:01-11:00, Sat., 31 Oct. 0.0316 0.0268 0.0293
09:01-10:00, Sat., 31 Oct. 0.0312 0.0277 0.0294
08:01-09:00, Sat., 31 Oct. 0.0317 0.0280 0.0296
07:01-08:00, Sat., 31 Oct. 0.0327 0.0281 0.0301
06:01-07:00, Sat., 31 Oct. 0.0324 0.0289 0.0306
05:01-06:00, Sat., 31 Oct. 0.0313 0.0278 0.0297
04:01-05:00, Sat., 31 Oct. 0.0310 0.0265 0.0289
03:01-04:00, Sat., 31 Oct. 0.0303 0.0266 0.0288
02:01-03:00, Sat., 31 Oct. 0.0303 0.0264 0.0287
01:01-02:00, Sat., 31 Oct. 0.0314 0.0275 0.0291
00:01-01:00, Sat., 31 Oct. 0.0313 0.0265 0.0288
23:01-24:00, Fri., 30 Oct. 0.0311 0.0274 0.0291
22:01-23:00, Fri., 30 Oct. 0.0308 0.0271 0.0291
21:01-22:00, Fri., 30 Oct. 0.0307 0.0267 0.0288
20:01-21:00, Fri., 30 Oct. 0.0308 0.0270 0.0288
19:01-20:00, Fri., 30 Oct. 0.0319 0.0269 0.0290
18:01-19:00, Fri., 30 Oct. 0.0310 0.0272 0.0290
17:01-18:00, Fri., 30 Oct. 0.0313 0.0278 0.0292
16:01-17:00, Fri., 30 Oct. 0.0319 0.0276 0.0293
15:01-16:00, Fri., 30 Oct. 0.0305 0.0266 0.0284
14:01-15:00, Fri., 30 Oct. 0.0309 0.0266 0.0283
13:01-14:00, Fri., 30 Oct. 0.0310 0.0270 0.0285
12:01-13:00, Fri., 30 Oct. 0.0308 0.0268 0.0287
11:01-12:00, Fri., 30 Oct. 0.0308 0.0271 0.0289
10:01-11:00, Fri., 30 Oct. 0.0304 0.0265 0.0287
09:01-10:00, Fri., 30 Oct. 0.0309 0.0267 0.0288
08:01-09:00, Fri., 30 Oct. 0.0300 0.0268 0.0285
07:01-08:00, Fri., 30 Oct. 0.0305 0.0267 0.0286
06:01-07:00, Fri., 30 Oct. 0.0306 0.0266 0.0286
05:01-06:00, Fri., 30 Oct. 0.0306 0.0266 0.0284
04:01-05:00, Fri., 30 Oct. 0.0309 0.0269 0.0287
03:01-04:00, Fri., 30 Oct. 0.0302 0.0264 0.0286
02:01-03:00, Fri., 30 Oct. 0.0300 0.0262 0.0285
01:01-02:00, Fri., 30 Oct. 0.0301 0.0262 0.0284
00:01-01:00, Fri., 30 Oct. 0.0308 0.0262 0.0288
23:01-24:00, Thu., 29 Oct. 0.0305 0.0259 0.0286
22:01-23:00, Thu., 29 Oct. 0.0310 0.0270 0.0286
21:01-22:00, Thu., 29 Oct. 0.0306 0.0268 0.0285
20:01-21:00, Thu., 29 Oct. 0.0309 0.0266 0.0284
19:01-20:00, Thu., 29 Oct. 0.0306 0.0264 0.0282
18:01-19:00, Thu., 29 Oct. 0.0299 0.0260 0.0280
17:01-18:00, Thu., 29 Oct. 0.0301 0.0258 0.0279
16:01-17:00, Thu., 29 Oct. 0.0297 0.0258 0.0278
15:01-16:00, Thu., 29 Oct. 0.0299 0.0260 0.0281
14:01-15:00, Thu., 29 Oct. 0.0299 0.0267 0.0281
13:01-14:00, Thu., 29 Oct. 0.0304 0.0263 0.0283
12:01-13:00, Thu., 29 Oct. 0.0302 0.0266 0.0285
11:01-12:00, Thu., 29 Oct. 0.0301 0.0262 0.0284
10:01-11:00, Thu., 29 Oct. 0.0306 0.0276 0.0289
09:01-10:00, Thu., 29 Oct. 0.0312 0.0270 0.0290
08:01-09:00, Thu., 29 Oct. 0.0326 0.0275 0.0299
07:01-08:00, Thu., 29 Oct. 0.0326 0.0279 0.0303
06:01-07:00, Thu., 29 Oct. 0.0318 0.0282 0.0302
05:01-06:00, Thu., 29 Oct. 0.0325 0.0284 0.0303
04:01-05:00, Thu., 29 Oct. 0.0321 0.0277 0.0299
03:01-04:00, Thu., 29 Oct. 0.0311 0.0278 0.0295
02:01-03:00, Thu., 29 Oct. 0.0316 0.0271 0.0288
01:01-02:00, Thu., 29 Oct. 0.0310 0.0273 0.0291
00:01-01:00, Thu., 29 Oct. 0.0305 0.0269 0.0286
23:01-24:00, Wed., 28 Oct. 0.0306 0.0270 0.0287
22:01-23:00, Wed., 28 Oct. 0.0303 0.0261 0.0282
21:01-22:00, Wed., 28 Oct. 0.0298 0.0261 0.0280
20:01-21:00, Wed., 28 Oct. 0.0303 0.0263 0.0283
19:01-20:00, Wed., 28 Oct. 0.0302 0.0263 0.0280
18:01-19:00, Wed., 28 Oct. 0.0298 0.0264 0.0280
17:01-18:00, Wed., 28 Oct. 0.0301 0.0265 0.0280
16:01-17:00, Wed., 28 Oct. 0.0295 0.0266 0.0279
15:01-16:00, Wed., 28 Oct. 0.0304 0.0261 0.0277
14:01-15:00, Wed., 28 Oct. 0.0298 0.0264 0.0279
13:01-14:00, Wed., 28 Oct. 0.0299 0.0261 0.0277
12:01-13:00, Wed., 28 Oct. 0.0300 0.0260 0.0281
11:01-12:00, Wed., 28 Oct. 0.0306 0.0266 0.0283
10:01-11:00, Wed., 28 Oct. 0.0305 0.0261 0.0283
09:01-10:00, Wed., 28 Oct. 0.0302 0.0260 0.0286
08:01-09:00, Wed., 28 Oct. 0.0303 0.0268 0.0284
07:01-08:00, Wed., 28 Oct. 0.0306 0.0272 0.0289
06:01-07:00, Wed., 28 Oct. 0.0311 0.0272 0.0292
05:01-06:00, Wed., 28 Oct. 0.0303 0.0268 0.0289
04:01-05:00, Wed., 28 Oct. 0.0311 0.0268 0.0287
03:01-04:00, Wed., 28 Oct. 0.0300 0.0270 0.0286
02:01-03:00, Wed., 28 Oct. 0.0314 0.0257 0.0286
01:01-02:00, Wed., 28 Oct. 0.0304 0.0263 0.0286
00:01-01:00, Wed., 28 Oct. 0.0300 0.0261 0.0282
23:01-24:00, Tue., 27 Oct. 0.0302 0.0260 0.0281
22:01-23:00, Tue., 27 Oct. 0.0297 0.0262 0.0279
21:01-22:00, Tue., 27 Oct. 0.0293 0.0259 0.0276
20:01-21:00, Tue., 27 Oct. 0.0299 0.0262 0.0279
19:01-20:00, Tue., 27 Oct. 0.0297 0.0255 0.0276
18:01-19:00, Tue., 27 Oct. 0.0305 0.0259 0.0278
17:01-18:00, Tue., 27 Oct. 0.0293 0.0265 0.0277
16:01-17:00, Tue., 27 Oct. 0.0296 0.0254 0.0274
15:01-16:00, Tue., 27 Oct. 0.0297 0.0258 0.0276
14:01-15:00, Tue., 27 Oct. 0.0297 0.0266 0.0279
13:01-14:00, Tue., 27 Oct. 0.0305 0.0260 0.0284
12:01-13:00, Tue., 27 Oct. 0.0311 0.0267 0.0283
11:01-12:00, Tue., 27 Oct. 0.0302 0.0266 0.0285
10:01-11:00, Tue., 27 Oct. 0.0306 0.0270 0.0289
09:01-10:00, Tue., 27 Oct. 0.0308 0.0279 0.0292
08:01-09:00, Tue., 27 Oct. 0.0311 0.0274 0.0293
07:01-08:00, Tue., 27 Oct. 0.0312 0.0272 0.0290
06:01-07:00, Tue., 27 Oct. 0.0309 0.0273 0.0289
05:01-06:00, Tue., 27 Oct. 0.0309 0.0268 0.0288
04:01-05:00, Tue., 27 Oct. 0.0315 0.0269 0.0289
03:01-04:00, Tue., 27 Oct. 0.0303 0.0265 0.0285
02:01-03:00, Tue., 27 Oct. 0.0303 0.0268 0.0281
01:01-02:00, Tue., 27 Oct. 0.0301 0.0263 0.0282
00:01-01:00, Tue., 27 Oct. 0.0303 0.0269 0.0284
23:01-24:00, Mon., 26 Oct. 0.0300 0.0265 0.0284
22:01-23:00, Mon., 26 Oct. 0.0307 0.0270 0.0285
21:01-22:00, Mon., 26 Oct. 0.0302 0.0263 0.0285
20:01-21:00, Mon., 26 Oct. 0.0309 0.0271 0.0285
19:01-20:00, Mon., 26 Oct. 0.0300 0.0262 0.0280
18:01-19:00, Mon., 26 Oct. 0.0306 0.0257 0.0278
17:01-18:00, Mon., 26 Oct. 0.0304 0.0263 0.0280
16:01-17:00, Mon., 26 Oct. 0.0297 0.0260 0.0277
15:01-16:00, Mon., 26 Oct. 0.0297 0.0256 0.0276
14:01-15:00, Mon., 26 Oct. 0.0300 0.0267 0.0279
13:01-14:00, Mon., 26 Oct. 0.0295 0.0264 0.0281
12:01-13:00, Mon., 26 Oct. 0.0293 0.0259 0.0278
11:01-12:00, Mon., 26 Oct. 0.0312 0.0264 0.0283
10:01-11:00, Mon., 26 Oct. 0.0312 0.0265 0.0286
09:01-10:00, Mon., 26 Oct. 0.0312 0.0277 0.0297
08:01-09:00, Mon., 26 Oct. 0.0330 0.0282 0.0301
07:01-08:00, Mon., 26 Oct. 0.0330 0.0273 0.0303
06:01-07:00, Mon., 26 Oct. 0.0332 0.0287 0.0303
05:01-06:00, Mon., 26 Oct. 0.0314 0.0278 0.0295
04:01-05:00, Mon., 26 Oct. 0.0313 0.0280 0.0295
03:01-04:00, Mon., 26 Oct. 0.0309 0.0269 0.0293
02:01-03:00, Mon., 26 Oct. 0.0316 0.0275 0.0296
01:01-02:00, Mon., 26 Oct. 0.0315 0.0278 0.0294
00:01-01:00, Mon., 26 Oct. 0.0310 0.0277 0.0295