Measurement results by the hour (Chofu) 3 Aug., 2020 - 9 Aug., 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., 09 Aug. 0.0311 0.0276 0.0292
22:01-23:00, Sun., 09 Aug. 0.0321 0.0278 0.0300
21:01-22:00, Sun., 09 Aug. 0.0317 0.0279 0.0299
20:01-21:00, Sun., 09 Aug. 0.0326 0.0270 0.0291
19:01-20:00, Sun., 09 Aug. 0.0308 0.0271 0.0287
18:01-19:00, Sun., 09 Aug. 0.0308 0.0267 0.0284
17:01-18:00, Sun., 09 Aug. 0.0300 0.0273 0.0286
16:01-17:00, Sun., 09 Aug. 0.0311 0.0263 0.0287
15:01-16:00, Sun., 09 Aug. 0.0305 0.0262 0.0286
14:01-15:00, Sun., 09 Aug. 0.0304 0.0258 0.0283
13:01-14:00, Sun., 09 Aug. 0.0303 0.0267 0.0285
12:01-13:00, Sun., 09 Aug. 0.0304 0.0263 0.0283
11:01-12:00, Sun., 09 Aug. 0.0309 0.0262 0.0285
10:01-11:00, Sun., 09 Aug. 0.0315 0.0260 0.0288
09:01-10:00, Sun., 09 Aug. 0.0299 0.0266 0.0284
08:01-09:00, Sun., 09 Aug. 0.0298 0.0266 0.0285
07:01-08:00, Sun., 09 Aug. 0.0304 0.0269 0.0284
06:01-07:00, Sun., 09 Aug. 0.0305 0.0265 0.0286
05:01-06:00, Sun., 09 Aug. 0.0303 0.0260 0.0286
04:01-05:00, Sun., 09 Aug. 0.0310 0.0266 0.0286
03:01-04:00, Sun., 09 Aug. 0.0303 0.0266 0.0285
02:01-03:00, Sun., 09 Aug. 0.0300 0.0268 0.0286
01:01-02:00, Sun., 09 Aug. 0.0302 0.0272 0.0286
00:01-01:00, Sun., 09 Aug. 0.0304 0.0268 0.0284
23:01-24:00, Sat., 08 Aug. 0.0299 0.0267 0.0283
22:01-23:00, Sat., 08 Aug. 0.0301 0.0266 0.0284
21:01-22:00, Sat., 08 Aug. 0.0315 0.0261 0.0283
20:01-21:00, Sat., 08 Aug. 0.0301 0.0260 0.0282
19:01-20:00, Sat., 08 Aug. 0.0303 0.0262 0.0284
18:01-19:00, Sat., 08 Aug. 0.0298 0.0269 0.0282
17:01-18:00, Sat., 08 Aug. 0.0296 0.0262 0.0281
16:01-17:00, Sat., 08 Aug. 0.0299 0.0259 0.0281
15:01-16:00, Sat., 08 Aug. 0.0296 0.0255 0.0279
14:01-15:00, Sat., 08 Aug. 0.0293 0.0262 0.0279
13:01-14:00, Sat., 08 Aug. 0.0309 0.0271 0.0284
12:01-13:00, Sat., 08 Aug. 0.0303 0.0261 0.0284
11:01-12:00, Sat., 08 Aug. 0.0305 0.0263 0.0283
10:01-11:00, Sat., 08 Aug. 0.0305 0.0264 0.0285
09:01-10:00, Sat., 08 Aug. 0.0300 0.0264 0.0284
08:01-09:00, Sat., 08 Aug. 0.0309 0.0262 0.0285
07:01-08:00, Sat., 08 Aug. 0.0302 0.0264 0.0284
06:01-07:00, Sat., 08 Aug. 0.0304 0.0267 0.0285
05:01-06:00, Sat., 08 Aug. 0.0312 0.0268 0.0286
04:01-05:00, Sat., 08 Aug. 0.0310 0.0272 0.0288
03:01-04:00, Sat., 08 Aug. 0.0308 0.0270 0.0290
02:01-03:00, Sat., 08 Aug. 0.0307 0.0266 0.0285
01:01-02:00, Sat., 08 Aug. 0.0306 0.0263 0.0284
00:01-01:00, Sat., 08 Aug. 0.0310 0.0264 0.0285
23:01-24:00, Fri., 07 Aug. 0.0314 0.0267 0.0288
22:01-23:00, Fri., 07 Aug. 0.0313 0.0266 0.0283
21:01-22:00, Fri., 07 Aug. 0.0298 0.0270 0.0284
20:01-21:00, Fri., 07 Aug. 0.0304 0.0262 0.0287
19:01-20:00, Fri., 07 Aug. 0.0320 0.0261 0.0284
18:01-19:00, Fri., 07 Aug. 0.0300 0.0269 0.0286
17:01-18:00, Fri., 07 Aug. 0.0300 0.0268 0.0285
16:01-17:00, Fri., 07 Aug. 0.0302 0.0267 0.0284
15:01-16:00, Fri., 07 Aug. 0.0302 0.0266 0.0284
14:01-15:00, Fri., 07 Aug. 0.0304 0.0266 0.0285
13:01-14:00, Fri., 07 Aug. 0.0303 0.0263 0.0284
12:01-13:00, Fri., 07 Aug. 0.0302 0.0264 0.0281
11:01-12:00, Fri., 07 Aug. 0.0298 0.0257 0.0281
10:01-11:00, Fri., 07 Aug. 0.0304 0.0261 0.0281
09:01-10:00, Fri., 07 Aug. 0.0299 0.0264 0.0283
08:01-09:00, Fri., 07 Aug. 0.0310 0.0269 0.0289
07:01-08:00, Fri., 07 Aug. 0.0320 0.0277 0.0295
06:01-07:00, Fri., 07 Aug. 0.0312 0.0264 0.0287
05:01-06:00, Fri., 07 Aug. 0.0303 0.0254 0.0281
04:01-05:00, Fri., 07 Aug. 0.0295 0.0261 0.0280
03:01-04:00, Fri., 07 Aug. 0.0306 0.0261 0.0278
02:01-03:00, Fri., 07 Aug. 0.0307 0.0260 0.0281
01:01-02:00, Fri., 07 Aug. 0.0295 0.0259 0.0278
00:01-01:00, Fri., 07 Aug. 0.0291 0.0257 0.0277
23:01-24:00, Thu., 06 Aug. 0.0291 0.0260 0.0277
22:01-23:00, Thu., 06 Aug. 0.0293 0.0262 0.0276
21:01-22:00, Thu., 06 Aug. 0.0299 0.0253 0.0275
20:01-21:00, Thu., 06 Aug. 0.0297 0.0254 0.0275
19:01-20:00, Thu., 06 Aug. 0.0305 0.0260 0.0277
18:01-19:00, Thu., 06 Aug. 0.0306 0.0250 0.0274
17:01-18:00, Thu., 06 Aug. 0.0293 0.0252 0.0276
16:01-17:00, Thu., 06 Aug. 0.0292 0.0256 0.0276
15:01-16:00, Thu., 06 Aug. 0.0302 0.0260 0.0277
14:01-15:00, Thu., 06 Aug. 0.0296 0.0258 0.0278
13:01-14:00, Thu., 06 Aug. 0.0296 0.0254 0.0278
12:01-13:00, Thu., 06 Aug. 0.0295 0.0261 0.0276
11:01-12:00, Thu., 06 Aug. 0.0293 0.0253 0.0275
10:01-11:00, Thu., 06 Aug. 0.0308 0.0259 0.0277
09:01-10:00, Thu., 06 Aug. 0.0291 0.0255 0.0273
08:01-09:00, Thu., 06 Aug. 0.0290 0.0251 0.0275
07:01-08:00, Thu., 06 Aug. 0.0293 0.0255 0.0273
06:01-07:00, Thu., 06 Aug. 0.0294 0.0260 0.0276
05:01-06:00, Thu., 06 Aug. 0.0288 0.0252 0.0274
04:01-05:00, Thu., 06 Aug. 0.0285 0.0255 0.0270
03:01-04:00, Thu., 06 Aug. 0.0289 0.0261 0.0273
02:01-03:00, Thu., 06 Aug. 0.0293 0.0259 0.0274
01:01-02:00, Thu., 06 Aug. 0.0293 0.0255 0.0274
00:01-01:00, Thu., 06 Aug. 0.0291 0.0255 0.0272
23:01-24:00, Wed., 05 Aug. 0.0287 0.0257 0.0273
22:01-23:00, Wed., 05 Aug. 0.0289 0.0249 0.0272
21:01-22:00, Wed., 05 Aug. 0.0290 0.0255 0.0271
20:01-21:00, Wed., 05 Aug. 0.0289 0.0252 0.0273
19:01-20:00, Wed., 05 Aug. 0.0302 0.0256 0.0275
18:01-19:00, Wed., 05 Aug. 0.0294 0.0255 0.0274
17:01-18:00, Wed., 05 Aug. 0.0294 0.0252 0.0276
16:01-17:00, Wed., 05 Aug. 0.0294 0.0256 0.0275
15:01-16:00, Wed., 05 Aug. 0.0294 0.0258 0.0273
14:01-15:00, Wed., 05 Aug. 0.0296 0.0249 0.0274
13:01-14:00, Wed., 05 Aug. 0.0300 0.0259 0.0274
12:01-13:00, Wed., 05 Aug. 0.0296 0.0259 0.0275
11:01-12:00, Wed., 05 Aug. 0.0291 0.0259 0.0276
10:01-11:00, Wed., 05 Aug. 0.0293 0.0255 0.0275
09:01-10:00, Wed., 05 Aug. 0.0296 0.0262 0.0278
08:01-09:00, Wed., 05 Aug. 0.0294 0.0259 0.0276
07:01-08:00, Wed., 05 Aug. 0.0292 0.0256 0.0273
06:01-07:00, Wed., 05 Aug. 0.0295 0.0252 0.0274
05:01-06:00, Wed., 05 Aug. 0.0295 0.0248 0.0271
04:01-05:00, Wed., 05 Aug. 0.0289 0.0255 0.0272
03:01-04:00, Wed., 05 Aug. 0.0291 0.0255 0.0274
02:01-03:00, Wed., 05 Aug. 0.0298 0.0252 0.0271
01:01-02:00, Wed., 05 Aug. 0.0287 0.0255 0.0272
00:01-01:00, Wed., 05 Aug. 0.0293 0.0247 0.0271
23:01-24:00, Tue., 04 Aug. 0.0290 0.0254 0.0270
22:01-23:00, Tue., 04 Aug. 0.0293 0.0259 0.0274
21:01-22:00, Tue., 04 Aug. 0.0287 0.0249 0.0271
20:01-21:00, Tue., 04 Aug. 0.0293 0.0251 0.0271
19:01-20:00, Tue., 04 Aug. 0.0286 0.0253 0.0272
18:01-19:00, Tue., 04 Aug. 0.0286 0.0239 0.0271
17:01-18:00, Tue., 04 Aug. 0.0296 0.0258 0.0273
16:01-17:00, Tue., 04 Aug. 0.0305 0.0252 0.0275
15:01-16:00, Tue., 04 Aug. 0.0291 0.0257 0.0272
14:01-15:00, Tue., 04 Aug. 0.0289 0.0246 0.0272
13:01-14:00, Tue., 04 Aug. 0.0287 0.0247 0.0269
12:01-13:00, Tue., 04 Aug. 0.0289 0.0250 0.0270
11:01-12:00, Tue., 04 Aug. 0.0295 0.0255 0.0273
10:01-11:00, Tue., 04 Aug. 0.0315 0.0261 0.0281
09:01-10:00, Tue., 04 Aug. 0.0300 0.0264 0.0283
08:01-09:00, Tue., 04 Aug. 0.0313 0.0266 0.0291
07:01-08:00, Tue., 04 Aug. 0.0310 0.0268 0.0291
06:01-07:00, Tue., 04 Aug. 0.0296 0.0249 0.0274
05:01-06:00, Tue., 04 Aug. 0.0297 0.0254 0.0269
04:01-05:00, Tue., 04 Aug. 0.0284 0.0250 0.0266
03:01-04:00, Tue., 04 Aug. 0.0287 0.0249 0.0270
02:01-03:00, Tue., 04 Aug. 0.0289 0.0253 0.0269
01:01-02:00, Tue., 04 Aug. 0.0292 0.0253 0.0269
00:01-01:00, Tue., 04 Aug. 0.0293 0.0251 0.0269
23:01-24:00, Mon., 03 Aug. 0.0292 0.0250 0.0267
22:01-23:00, Mon., 03 Aug. 0.0283 0.0250 0.0267
21:01-22:00, Mon., 03 Aug. 0.0286 0.0249 0.0268
20:01-21:00, Mon., 03 Aug. 0.0289 0.0248 0.0270
19:01-20:00, Mon., 03 Aug. 0.0295 0.0250 0.0269
18:01-19:00, Mon., 03 Aug. 0.0292 0.0250 0.0269
17:01-18:00, Mon., 03 Aug. 0.0281 0.0243 0.0268
16:01-17:00, Mon., 03 Aug. 0.0290 0.0254 0.0272
15:01-16:00, Mon., 03 Aug. 0.0289 0.0250 0.0269
14:01-15:00, Mon., 03 Aug. 0.0289 0.0253 0.0268
13:01-14:00, Mon., 03 Aug. 0.0293 0.0249 0.0268
12:01-13:00, Mon., 03 Aug. 0.0287 0.0248 0.0266
11:01-12:00, Mon., 03 Aug. 0.0278 0.0240 0.0264
10:01-11:00, Mon., 03 Aug. 0.0279 0.0248 0.0264
09:01-10:00, Mon., 03 Aug. 0.0285 0.0247 0.0267
08:01-09:00, Mon., 03 Aug. 0.0285 0.0247 0.0265
07:01-08:00, Mon., 03 Aug. 0.0292 0.0253 0.0268
06:01-07:00, Mon., 03 Aug. 0.0292 0.0246 0.0270
05:01-06:00, Mon., 03 Aug. 0.0291 0.0244 0.0269
04:01-05:00, Mon., 03 Aug. 0.0297 0.0251 0.0268
03:01-04:00, Mon., 03 Aug. 0.0282 0.0254 0.0269
02:01-03:00, Mon., 03 Aug. 0.0286 0.0253 0.0266
01:01-02:00, Mon., 03 Aug. 0.0281 0.0245 0.0267
00:01-01:00, Mon., 03 Aug. 0.0287 0.0247 0.0265