Measurement results by the hour (Chofu) 6 Sep., 2021 - 12 Sep., 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., 12 Sep. 0.0327 0.0264 0.0287
22:01-23:00, Sun., 12 Sep. 0.0301 0.0252 0.0276
21:01-22:00, Sun., 12 Sep. 0.0295 0.0261 0.0275
20:01-21:00, Sun., 12 Sep. 0.0300 0.0245 0.0273
19:01-20:00, Sun., 12 Sep. 0.0293 0.0259 0.0275
18:01-19:00, Sun., 12 Sep. 0.0292 0.0253 0.0272
17:01-18:00, Sun., 12 Sep. 0.0290 0.0250 0.0272
16:01-17:00, Sun., 12 Sep. 0.0290 0.0253 0.0274
15:01-16:00, Sun., 12 Sep. 0.0294 0.0251 0.0275
14:01-15:00, Sun., 12 Sep. 0.0299 0.0253 0.0276
13:01-14:00, Sun., 12 Sep. 0.0296 0.0259 0.0276
12:01-13:00, Sun., 12 Sep. 0.0290 0.0256 0.0274
11:01-12:00, Sun., 12 Sep. 0.0289 0.0254 0.0275
10:01-11:00, Sun., 12 Sep. 0.0294 0.0261 0.0276
09:01-10:00, Sun., 12 Sep. 0.0306 0.0263 0.0277
08:01-09:00, Sun., 12 Sep. 0.0304 0.0253 0.0277
07:01-08:00, Sun., 12 Sep. 0.0297 0.0262 0.0282
06:01-07:00, Sun., 12 Sep. 0.0312 0.0270 0.0290
05:01-06:00, Sun., 12 Sep. 0.0304 0.0258 0.0280
04:01-05:00, Sun., 12 Sep. 0.0287 0.0253 0.0271
03:01-04:00, Sun., 12 Sep. 0.0295 0.0260 0.0272
02:01-03:00, Sun., 12 Sep. 0.0294 0.0253 0.0275
01:01-02:00, Sun., 12 Sep. 0.0291 0.0255 0.0271
00:01-01:00, Sun., 12 Sep. 0.0290 0.0249 0.0271
23:01-24:00, Sat., 11 Sep. 0.0287 0.0251 0.0271
22:01-23:00, Sat., 11 Sep. 0.0287 0.0256 0.0272
21:01-22:00, Sat., 11 Sep. 0.0292 0.0254 0.0274
20:01-21:00, Sat., 11 Sep. 0.0286 0.0252 0.0271
19:01-20:00, Sat., 11 Sep. 0.0295 0.0256 0.0272
18:01-19:00, Sat., 11 Sep. 0.0294 0.0256 0.0271
17:01-18:00, Sat., 11 Sep. 0.0296 0.0250 0.0270
16:01-17:00, Sat., 11 Sep. 0.0287 0.0249 0.0269
15:01-16:00, Sat., 11 Sep. 0.0298 0.0256 0.0273
14:01-15:00, Sat., 11 Sep. 0.0290 0.0255 0.0273
13:01-14:00, Sat., 11 Sep. 0.0298 0.0254 0.0274
12:01-13:00, Sat., 11 Sep. 0.0295 0.0261 0.0281
11:01-12:00, Sat., 11 Sep. 0.0310 0.0267 0.0285
10:01-11:00, Sat., 11 Sep. 0.0297 0.0256 0.0275
09:01-10:00, Sat., 11 Sep. 0.0296 0.0254 0.0275
08:01-09:00, Sat., 11 Sep. 0.0295 0.0253 0.0273
07:01-08:00, Sat., 11 Sep. 0.0294 0.0260 0.0277
06:01-07:00, Sat., 11 Sep. 0.0293 0.0250 0.0274
05:01-06:00, Sat., 11 Sep. 0.0289 0.0255 0.0274
04:01-05:00, Sat., 11 Sep. 0.0295 0.0255 0.0276
03:01-04:00, Sat., 11 Sep. 0.0288 0.0250 0.0271
02:01-03:00, Sat., 11 Sep. 0.0286 0.0252 0.0271
01:01-02:00, Sat., 11 Sep. 0.0289 0.0257 0.0272
00:01-01:00, Sat., 11 Sep. 0.0292 0.0250 0.0271
23:01-24:00, Fri., 10 Sep. 0.0292 0.0253 0.0269
22:01-23:00, Fri., 10 Sep. 0.0287 0.0257 0.0271
21:01-22:00, Fri., 10 Sep. 0.0288 0.0249 0.0269
20:01-21:00, Fri., 10 Sep. 0.0298 0.0245 0.0270
19:01-20:00, Fri., 10 Sep. 0.0296 0.0257 0.0272
18:01-19:00, Fri., 10 Sep. 0.0292 0.0253 0.0272
17:01-18:00, Fri., 10 Sep. 0.0297 0.0255 0.0271
16:01-17:00, Fri., 10 Sep. 0.0297 0.0257 0.0272
15:01-16:00, Fri., 10 Sep. 0.0289 0.0249 0.0270
14:01-15:00, Fri., 10 Sep. 0.0299 0.0252 0.0271
13:01-14:00, Fri., 10 Sep. 0.0284 0.0253 0.0269
12:01-13:00, Fri., 10 Sep. 0.0293 0.0252 0.0269
11:01-12:00, Fri., 10 Sep. 0.0289 0.0247 0.0272
10:01-11:00, Fri., 10 Sep. 0.0291 0.0259 0.0275
09:01-10:00, Fri., 10 Sep. 0.0313 0.0265 0.0287
08:01-09:00, Fri., 10 Sep. 0.0317 0.0276 0.0298
07:01-08:00, Fri., 10 Sep. 0.0317 0.0275 0.0298
06:01-07:00, Fri., 10 Sep. 0.0328 0.0281 0.0299
05:01-06:00, Fri., 10 Sep. 0.0310 0.0273 0.0292
04:01-05:00, Fri., 10 Sep. 0.0306 0.0264 0.0283
03:01-04:00, Fri., 10 Sep. 0.0292 0.0247 0.0272
02:01-03:00, Fri., 10 Sep. 0.0287 0.0249 0.0269
01:01-02:00, Fri., 10 Sep. 0.0280 0.0247 0.0266
00:01-01:00, Fri., 10 Sep. 0.0282 0.0249 0.0267
23:01-24:00, Thu., 09 Sep. 0.0286 0.0239 0.0264
22:01-23:00, Thu., 09 Sep. 0.0283 0.0243 0.0263
21:01-22:00, Thu., 09 Sep. 0.0284 0.0250 0.0264
20:01-21:00, Thu., 09 Sep. 0.0280 0.0243 0.0263
19:01-20:00, Thu., 09 Sep. 0.0284 0.0245 0.0265
18:01-19:00, Thu., 09 Sep. 0.0279 0.0242 0.0263
17:01-18:00, Thu., 09 Sep. 0.0283 0.0245 0.0262
16:01-17:00, Thu., 09 Sep. 0.0285 0.0250 0.0265
15:01-16:00, Thu., 09 Sep. 0.0281 0.0253 0.0265
14:01-15:00, Thu., 09 Sep. 0.0299 0.0250 0.0275
13:01-14:00, Thu., 09 Sep. 0.0311 0.0265 0.0291
12:01-13:00, Thu., 09 Sep. 0.0335 0.0276 0.0307
11:01-12:00, Thu., 09 Sep. 0.0353 0.0302 0.0326
10:01-11:00, Thu., 09 Sep. 0.0364 0.0305 0.0330
09:01-10:00, Thu., 09 Sep. 0.0384 0.0331 0.0356
08:01-09:00, Thu., 09 Sep. 0.0388 0.0310 0.0351
07:01-08:00, Thu., 09 Sep. 0.0359 0.0307 0.0325
06:01-07:00, Thu., 09 Sep. 0.0362 0.0318 0.0338
05:01-06:00, Thu., 09 Sep. 0.0336 0.0284 0.0311
04:01-05:00, Thu., 09 Sep. 0.0310 0.0261 0.0279
03:01-04:00, Thu., 09 Sep. 0.0290 0.0258 0.0273
02:01-03:00, Thu., 09 Sep. 0.0296 0.0247 0.0272
01:01-02:00, Thu., 09 Sep. 0.0288 0.0254 0.0269
00:01-01:00, Thu., 09 Sep. 0.0286 0.0247 0.0271
23:01-24:00, Wed., 08 Sep. 0.0289 0.0251 0.0270
22:01-23:00, Wed., 08 Sep. 0.0288 0.0258 0.0273
21:01-22:00, Wed., 08 Sep. 0.0292 0.0254 0.0271
20:01-21:00, Wed., 08 Sep. 0.0289 0.0249 0.0270
19:01-20:00, Wed., 08 Sep. 0.0291 0.0256 0.0272
18:01-19:00, Wed., 08 Sep. 0.0294 0.0256 0.0274
17:01-18:00, Wed., 08 Sep. 0.0284 0.0257 0.0272
16:01-17:00, Wed., 08 Sep. 0.0295 0.0252 0.0274
15:01-16:00, Wed., 08 Sep. 0.0301 0.0263 0.0284
14:01-15:00, Wed., 08 Sep. 0.0306 0.0245 0.0272
13:01-14:00, Wed., 08 Sep. 0.0283 0.0250 0.0266
12:01-13:00, Wed., 08 Sep. 0.0282 0.0247 0.0264
11:01-12:00, Wed., 08 Sep. 0.0299 0.0241 0.0266
10:01-11:00, Wed., 08 Sep. 0.0282 0.0253 0.0266
09:01-10:00, Wed., 08 Sep. 0.0280 0.0246 0.0263
08:01-09:00, Wed., 08 Sep. 0.0288 0.0239 0.0267
07:01-08:00, Wed., 08 Sep. 0.0289 0.0246 0.0267
06:01-07:00, Wed., 08 Sep. 0.0290 0.0248 0.0267
05:01-06:00, Wed., 08 Sep. 0.0286 0.0252 0.0268
04:01-05:00, Wed., 08 Sep. 0.0284 0.0244 0.0268
03:01-04:00, Wed., 08 Sep. 0.0284 0.0250 0.0268
02:01-03:00, Wed., 08 Sep. 0.0286 0.0254 0.0268
01:01-02:00, Wed., 08 Sep. 0.0288 0.0244 0.0264
00:01-01:00, Wed., 08 Sep. 0.0284 0.0253 0.0267
23:01-24:00, Tue., 07 Sep. 0.0285 0.0239 0.0265
22:01-23:00, Tue., 07 Sep. 0.0282 0.0249 0.0265
21:01-22:00, Tue., 07 Sep. 0.0281 0.0245 0.0264
20:01-21:00, Tue., 07 Sep. 0.0277 0.0236 0.0261
19:01-20:00, Tue., 07 Sep. 0.0291 0.0247 0.0265
18:01-19:00, Tue., 07 Sep. 0.0278 0.0240 0.0264
17:01-18:00, Tue., 07 Sep. 0.0282 0.0249 0.0265
16:01-17:00, Tue., 07 Sep. 0.0281 0.0247 0.0263
15:01-16:00, Tue., 07 Sep. 0.0283 0.0245 0.0266
14:01-15:00, Tue., 07 Sep. 0.0287 0.0245 0.0266
13:01-14:00, Tue., 07 Sep. 0.0287 0.0249 0.0265
12:01-13:00, Tue., 07 Sep. 0.0281 0.0243 0.0265
11:01-12:00, Tue., 07 Sep. 0.0282 0.0249 0.0265
10:01-11:00, Tue., 07 Sep. 0.0284 0.0239 0.0265
09:01-10:00, Tue., 07 Sep. 0.0292 0.0246 0.0266
08:01-09:00, Tue., 07 Sep. 0.0297 0.0245 0.0268
07:01-08:00, Tue., 07 Sep. 0.0288 0.0253 0.0268
06:01-07:00, Tue., 07 Sep. 0.0294 0.0249 0.0269
05:01-06:00, Tue., 07 Sep. 0.0290 0.0250 0.0269
04:01-05:00, Tue., 07 Sep. 0.0285 0.0252 0.0267
03:01-04:00, Tue., 07 Sep. 0.0288 0.0243 0.0268
02:01-03:00, Tue., 07 Sep. 0.0290 0.0242 0.0264
01:01-02:00, Tue., 07 Sep. 0.0285 0.0243 0.0266
00:01-01:00, Tue., 07 Sep. 0.0285 0.0250 0.0266
23:01-24:00, Mon., 06 Sep. 0.0284 0.0248 0.0266
22:01-23:00, Mon., 06 Sep. 0.0291 0.0249 0.0267
21:01-22:00, Mon., 06 Sep. 0.0292 0.0249 0.0271
20:01-21:00, Mon., 06 Sep. 0.0290 0.0252 0.0267
19:01-20:00, Mon., 06 Sep. 0.0301 0.0248 0.0265
18:01-19:00, Mon., 06 Sep. 0.0295 0.0250 0.0270
17:01-18:00, Mon., 06 Sep. 0.0307 0.0254 0.0285
16:01-17:00, Mon., 06 Sep. 0.0379 0.0288 0.0325
15:01-16:00, Mon., 06 Sep. 0.0362 0.0251 0.0301
14:01-15:00, Mon., 06 Sep. 0.0310 0.0250 0.0285
13:01-14:00, Mon., 06 Sep. 0.0342 0.0291 0.0321
12:01-13:00, Mon., 06 Sep. 0.0318 0.0246 0.0297
11:01-12:00, Mon., 06 Sep. 0.0278 0.0244 0.0264
10:01-11:00, Mon., 06 Sep. 0.0284 0.0243 0.0265
09:01-10:00, Mon., 06 Sep. 0.0282 0.0236 0.0262
08:01-09:00, Mon., 06 Sep. 0.0290 0.0253 0.0269
07:01-08:00, Mon., 06 Sep. 0.0292 0.0250 0.0267
06:01-07:00, Mon., 06 Sep. 0.0298 0.0251 0.0269
05:01-06:00, Mon., 06 Sep. 0.0288 0.0249 0.0269
04:01-05:00, Mon., 06 Sep. 0.0294 0.0251 0.0267
03:01-04:00, Mon., 06 Sep. 0.0292 0.0243 0.0266
02:01-03:00, Mon., 06 Sep. 0.0280 0.0244 0.0264
01:01-02:00, Mon., 06 Sep. 0.0282 0.0243 0.0265
00:01-01:00, Mon., 06 Sep. 0.0281 0.0239 0.0264