Measurement results by the hour (Chofu) 1 Nov., 2021 - 7 Nov., 2021

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., 07 Nov. 0.0311 0.0273 0.0292
22:01-23:00, Sun., 07 Nov. 0.0295 0.0262 0.0276
21:01-22:00, Sun., 07 Nov. 0.0295 0.0256 0.0273
20:01-21:00, Sun., 07 Nov. 0.0289 0.0256 0.0274
19:01-20:00, Sun., 07 Nov. 0.0293 0.0254 0.0274
18:01-19:00, Sun., 07 Nov. 0.0292 0.0256 0.0272
17:01-18:00, Sun., 07 Nov. 0.0295 0.0255 0.0274
16:01-17:00, Sun., 07 Nov. 0.0297 0.0257 0.0273
15:01-16:00, Sun., 07 Nov. 0.0294 0.0250 0.0274
14:01-15:00, Sun., 07 Nov. 0.0293 0.0252 0.0273
13:01-14:00, Sun., 07 Nov. 0.0295 0.0258 0.0276
12:01-13:00, Sun., 07 Nov. 0.0305 0.0257 0.0279
11:01-12:00, Sun., 07 Nov. 0.0305 0.0259 0.0280
10:01-11:00, Sun., 07 Nov. 0.0306 0.0275 0.0288
09:01-10:00, Sun., 07 Nov. 0.0308 0.0273 0.0291
08:01-09:00, Sun., 07 Nov. 0.0316 0.0267 0.0290
07:01-08:00, Sun., 07 Nov. 0.0312 0.0265 0.0290
06:01-07:00, Sun., 07 Nov. 0.0302 0.0263 0.0283
05:01-06:00, Sun., 07 Nov. 0.0305 0.0267 0.0284
04:01-05:00, Sun., 07 Nov. 0.0307 0.0264 0.0283
03:01-04:00, Sun., 07 Nov. 0.0302 0.0265 0.0281
02:01-03:00, Sun., 07 Nov. 0.0300 0.0266 0.0281
01:01-02:00, Sun., 07 Nov. 0.0302 0.0256 0.0279
00:01-01:00, Sun., 07 Nov. 0.0303 0.0260 0.0282
23:01-24:00, Sat., 06 Nov. 0.0301 0.0265 0.0282
22:01-23:00, Sat., 06 Nov. 0.0294 0.0261 0.0277
21:01-22:00, Sat., 06 Nov. 0.0303 0.0259 0.0275
20:01-21:00, Sat., 06 Nov. 0.0291 0.0249 0.0272
19:01-20:00, Sat., 06 Nov. 0.0299 0.0255 0.0274
18:01-19:00, Sat., 06 Nov. 0.0293 0.0256 0.0273
17:01-18:00, Sat., 06 Nov. 0.0296 0.0258 0.0273
16:01-17:00, Sat., 06 Nov. 0.0300 0.0259 0.0278
15:01-16:00, Sat., 06 Nov. 0.0297 0.0257 0.0275
14:01-15:00, Sat., 06 Nov. 0.0301 0.0261 0.0277
13:01-14:00, Sat., 06 Nov. 0.0303 0.0262 0.0276
12:01-13:00, Sat., 06 Nov. 0.0309 0.0258 0.0282
11:01-12:00, Sat., 06 Nov. 0.0305 0.0268 0.0281
10:01-11:00, Sat., 06 Nov. 0.0306 0.0266 0.0283
09:01-10:00, Sat., 06 Nov. 0.0312 0.0272 0.0291
08:01-09:00, Sat., 06 Nov. 0.0313 0.0281 0.0295
07:01-08:00, Sat., 06 Nov. 0.0322 0.0285 0.0300
06:01-07:00, Sat., 06 Nov. 0.0322 0.0280 0.0301
05:01-06:00, Sat., 06 Nov. 0.0323 0.0272 0.0297
04:01-05:00, Sat., 06 Nov. 0.0315 0.0274 0.0293
03:01-04:00, Sat., 06 Nov. 0.0325 0.0277 0.0294
02:01-03:00, Sat., 06 Nov. 0.0311 0.0267 0.0288
01:01-02:00, Sat., 06 Nov. 0.0307 0.0269 0.0288
00:01-01:00, Sat., 06 Nov. 0.0308 0.0267 0.0288
23:01-24:00, Fri., 05 Nov. 0.0304 0.0267 0.0287
22:01-23:00, Fri., 05 Nov. 0.0308 0.0265 0.0284
21:01-22:00, Fri., 05 Nov. 0.0302 0.0260 0.0279
20:01-21:00, Fri., 05 Nov. 0.0298 0.0264 0.0280
19:01-20:00, Fri., 05 Nov. 0.0300 0.0257 0.0282
18:01-19:00, Fri., 05 Nov. 0.0297 0.0260 0.0277
17:01-18:00, Fri., 05 Nov. 0.0293 0.0253 0.0275
16:01-17:00, Fri., 05 Nov. 0.0293 0.0256 0.0277
15:01-16:00, Fri., 05 Nov. 0.0289 0.0257 0.0275
14:01-15:00, Fri., 05 Nov. 0.0298 0.0255 0.0275
13:01-14:00, Fri., 05 Nov. 0.0296 0.0254 0.0278
12:01-13:00, Fri., 05 Nov. 0.0297 0.0253 0.0277
11:01-12:00, Fri., 05 Nov. 0.0301 0.0256 0.0278
10:01-11:00, Fri., 05 Nov. 0.0300 0.0260 0.0282
09:01-10:00, Fri., 05 Nov. 0.0314 0.0266 0.0288
08:01-09:00, Fri., 05 Nov. 0.0313 0.0275 0.0293
07:01-08:00, Fri., 05 Nov. 0.0317 0.0274 0.0296
06:01-07:00, Fri., 05 Nov. 0.0328 0.0272 0.0302
05:01-06:00, Fri., 05 Nov. 0.0320 0.0282 0.0300
04:01-05:00, Fri., 05 Nov. 0.0306 0.0269 0.0288
03:01-04:00, Fri., 05 Nov. 0.0320 0.0269 0.0288
02:01-03:00, Fri., 05 Nov. 0.0304 0.0270 0.0286
01:01-02:00, Fri., 05 Nov. 0.0299 0.0262 0.0285
00:01-01:00, Fri., 05 Nov. 0.0305 0.0273 0.0288
23:01-24:00, Thu., 04 Nov. 0.0303 0.0266 0.0289
22:01-23:00, Thu., 04 Nov. 0.0316 0.0267 0.0290
21:01-22:00, Thu., 04 Nov. 0.0305 0.0270 0.0285
20:01-21:00, Thu., 04 Nov. 0.0300 0.0260 0.0280
19:01-20:00, Thu., 04 Nov. 0.0298 0.0256 0.0277
18:01-19:00, Thu., 04 Nov. 0.0305 0.0244 0.0276
17:01-18:00, Thu., 04 Nov. 0.0297 0.0250 0.0275
16:01-17:00, Thu., 04 Nov. 0.0290 0.0258 0.0273
15:01-16:00, Thu., 04 Nov. 0.0298 0.0259 0.0276
14:01-15:00, Thu., 04 Nov. 0.0292 0.0251 0.0275
13:01-14:00, Thu., 04 Nov. 0.0293 0.0260 0.0274
12:01-13:00, Thu., 04 Nov. 0.0293 0.0257 0.0274
11:01-12:00, Thu., 04 Nov. 0.0299 0.0254 0.0278
10:01-11:00, Thu., 04 Nov. 0.0297 0.0257 0.0277
09:01-10:00, Thu., 04 Nov. 0.0302 0.0266 0.0283
08:01-09:00, Thu., 04 Nov. 0.0302 0.0263 0.0281
07:01-08:00, Thu., 04 Nov. 0.0303 0.0260 0.0280
06:01-07:00, Thu., 04 Nov. 0.0304 0.0263 0.0282
05:01-06:00, Thu., 04 Nov. 0.0312 0.0271 0.0293
04:01-05:00, Thu., 04 Nov. 0.0315 0.0276 0.0293
03:01-04:00, Thu., 04 Nov. 0.0308 0.0267 0.0286
02:01-03:00, Thu., 04 Nov. 0.0308 0.0258 0.0280
01:01-02:00, Thu., 04 Nov. 0.0301 0.0259 0.0276
00:01-01:00, Thu., 04 Nov. 0.0291 0.0256 0.0276
23:01-24:00, Wed., 03 Nov. 0.0302 0.0254 0.0275
22:01-23:00, Wed., 03 Nov. 0.0295 0.0259 0.0274
21:01-22:00, Wed., 03 Nov. 0.0289 0.0253 0.0273
20:01-21:00, Wed., 03 Nov. 0.0293 0.0251 0.0272
19:01-20:00, Wed., 03 Nov. 0.0288 0.0250 0.0271
18:01-19:00, Wed., 03 Nov. 0.0288 0.0254 0.0272
17:01-18:00, Wed., 03 Nov. 0.0299 0.0259 0.0274
16:01-17:00, Wed., 03 Nov. 0.0288 0.0253 0.0269
15:01-16:00, Wed., 03 Nov. 0.0290 0.0253 0.0274
14:01-15:00, Wed., 03 Nov. 0.0292 0.0260 0.0277
13:01-14:00, Wed., 03 Nov. 0.0295 0.0250 0.0274
12:01-13:00, Wed., 03 Nov. 0.0297 0.0254 0.0276
11:01-12:00, Wed., 03 Nov. 0.0301 0.0258 0.0281
10:01-11:00, Wed., 03 Nov. 0.0304 0.0257 0.0283
09:01-10:00, Wed., 03 Nov. 0.0313 0.0274 0.0291
08:01-09:00, Wed., 03 Nov. 0.0318 0.0279 0.0296
07:01-08:00, Wed., 03 Nov. 0.0315 0.0276 0.0295
06:01-07:00, Wed., 03 Nov. 0.0306 0.0265 0.0289
05:01-06:00, Wed., 03 Nov. 0.0304 0.0274 0.0288
04:01-05:00, Wed., 03 Nov. 0.0311 0.0273 0.0289
03:01-04:00, Wed., 03 Nov. 0.0307 0.0268 0.0291
02:01-03:00, Wed., 03 Nov. 0.0315 0.0277 0.0291
01:01-02:00, Wed., 03 Nov. 0.0309 0.0271 0.0290
00:01-01:00, Wed., 03 Nov. 0.0304 0.0269 0.0287
23:01-24:00, Tue., 02 Nov. 0.0303 0.0268 0.0284
22:01-23:00, Tue., 02 Nov. 0.0299 0.0263 0.0282
21:01-22:00, Tue., 02 Nov. 0.0300 0.0263 0.0284
20:01-21:00, Tue., 02 Nov. 0.0299 0.0262 0.0280
19:01-20:00, Tue., 02 Nov. 0.0298 0.0258 0.0279
18:01-19:00, Tue., 02 Nov. 0.0297 0.0251 0.0278
17:01-18:00, Tue., 02 Nov. 0.0290 0.0259 0.0276
16:01-17:00, Tue., 02 Nov. 0.0293 0.0256 0.0275
15:01-16:00, Tue., 02 Nov. 0.0294 0.0259 0.0276
14:01-15:00, Tue., 02 Nov. 0.0296 0.0258 0.0276
13:01-14:00, Tue., 02 Nov. 0.0297 0.0262 0.0274
12:01-13:00, Tue., 02 Nov. 0.0292 0.0251 0.0275
11:01-12:00, Tue., 02 Nov. 0.0295 0.0254 0.0273
10:01-11:00, Tue., 02 Nov. 0.0304 0.0259 0.0277
09:01-10:00, Tue., 02 Nov. 0.0300 0.0266 0.0282
08:01-09:00, Tue., 02 Nov. 0.0300 0.0265 0.0283
07:01-08:00, Tue., 02 Nov. 0.0302 0.0263 0.0285
06:01-07:00, Tue., 02 Nov. 0.0304 0.0264 0.0286
05:01-06:00, Tue., 02 Nov. 0.0301 0.0267 0.0283
04:01-05:00, Tue., 02 Nov. 0.0310 0.0262 0.0280
03:01-04:00, Tue., 02 Nov. 0.0290 0.0258 0.0276
02:01-03:00, Tue., 02 Nov. 0.0299 0.0254 0.0279
01:01-02:00, Tue., 02 Nov. 0.0302 0.0258 0.0283
00:01-01:00, Tue., 02 Nov. 0.0294 0.0260 0.0279
23:01-24:00, Mon., 01 Nov. 0.0291 0.0258 0.0273
22:01-23:00, Mon., 01 Nov. 0.0292 0.0258 0.0277
21:01-22:00, Mon., 01 Nov. 0.0296 0.0259 0.0275
20:01-21:00, Mon., 01 Nov. 0.0292 0.0257 0.0275
19:01-20:00, Mon., 01 Nov. 0.0299 0.0256 0.0275
18:01-19:00, Mon., 01 Nov. 0.0296 0.0255 0.0275
17:01-18:00, Mon., 01 Nov. 0.0295 0.0256 0.0275
16:01-17:00, Mon., 01 Nov. 0.0295 0.0255 0.0276
15:01-16:00, Mon., 01 Nov. 0.0289 0.0257 0.0273
14:01-15:00, Mon., 01 Nov. 0.0304 0.0251 0.0275
13:01-14:00, Mon., 01 Nov. 0.0290 0.0252 0.0273
12:01-13:00, Mon., 01 Nov. 0.0294 0.0252 0.0275
11:01-12:00, Mon., 01 Nov. 0.0304 0.0268 0.0283
10:01-11:00, Mon., 01 Nov. 0.0302 0.0266 0.0287
09:01-10:00, Mon., 01 Nov. 0.0316 0.0274 0.0290
08:01-09:00, Mon., 01 Nov. 0.0319 0.0275 0.0297
07:01-08:00, Mon., 01 Nov. 0.0329 0.0280 0.0297
06:01-07:00, Mon., 01 Nov. 0.0317 0.0273 0.0296
05:01-06:00, Mon., 01 Nov. 0.0318 0.0273 0.0291
04:01-05:00, Mon., 01 Nov. 0.0313 0.0266 0.0290
03:01-04:00, Mon., 01 Nov. 0.0317 0.0267 0.0288
02:01-03:00, Mon., 01 Nov. 0.0309 0.0271 0.0287
01:01-02:00, Mon., 01 Nov. 0.0310 0.0262 0.0283
00:01-01:00, Mon., 01 Nov. 0.0300 0.0264 0.0284