Measurement results by the hour (Chofu) 27 Sep., 2021 - 3 Oct., 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., 03 Oct. 0.0288 0.0254 0.0273
22:01-23:00, Sun., 03 Oct. 0.0289 0.0254 0.0271
21:01-22:00, Sun., 03 Oct. 0.0286 0.0243 0.0269
20:01-21:00, Sun., 03 Oct. 0.0292 0.0252 0.0271
19:01-20:00, Sun., 03 Oct. 0.0284 0.0245 0.0266
18:01-19:00, Sun., 03 Oct. 0.0283 0.0250 0.0264
17:01-18:00, Sun., 03 Oct. 0.0285 0.0247 0.0268
16:01-17:00, Sun., 03 Oct. 0.0285 0.0246 0.0268
15:01-16:00, Sun., 03 Oct. 0.0287 0.0250 0.0268
14:01-15:00, Sun., 03 Oct. 0.0288 0.0248 0.0265
13:01-14:00, Sun., 03 Oct. 0.0284 0.0251 0.0269
12:01-13:00, Sun., 03 Oct. 0.0293 0.0247 0.0266
11:01-12:00, Sun., 03 Oct. 0.0288 0.0253 0.0270
10:01-11:00, Sun., 03 Oct. 0.0295 0.0253 0.0271
09:01-10:00, Sun., 03 Oct. 0.0288 0.0251 0.0271
08:01-09:00, Sun., 03 Oct. 0.0296 0.0258 0.0279
07:01-08:00, Sun., 03 Oct. 0.0299 0.0267 0.0281
06:01-07:00, Sun., 03 Oct. 0.0298 0.0262 0.0278
05:01-06:00, Sun., 03 Oct. 0.0296 0.0248 0.0273
04:01-05:00, Sun., 03 Oct. 0.0287 0.0252 0.0270
03:01-04:00, Sun., 03 Oct. 0.0287 0.0252 0.0270
02:01-03:00, Sun., 03 Oct. 0.0293 0.0256 0.0272
01:01-02:00, Sun., 03 Oct. 0.0295 0.0259 0.0273
00:01-01:00, Sun., 03 Oct. 0.0288 0.0255 0.0273
23:01-24:00, Sat., 02 Oct. 0.0302 0.0259 0.0272
22:01-23:00, Sat., 02 Oct. 0.0300 0.0257 0.0276
21:01-22:00, Sat., 02 Oct. 0.0317 0.0259 0.0288
20:01-21:00, Sat., 02 Oct. 0.0382 0.0294 0.0331
19:01-20:00, Sat., 02 Oct. 0.0413 0.0268 0.0352
18:01-19:00, Sat., 02 Oct. 0.0280 0.0248 0.0262
17:01-18:00, Sat., 02 Oct. 0.0284 0.0246 0.0265
16:01-17:00, Sat., 02 Oct. 0.0286 0.0248 0.0265
15:01-16:00, Sat., 02 Oct. 0.0281 0.0253 0.0265
14:01-15:00, Sat., 02 Oct. 0.0284 0.0238 0.0265
13:01-14:00, Sat., 02 Oct. 0.0287 0.0251 0.0268
12:01-13:00, Sat., 02 Oct. 0.0286 0.0248 0.0266
11:01-12:00, Sat., 02 Oct. 0.0284 0.0248 0.0266
10:01-11:00, Sat., 02 Oct. 0.0279 0.0241 0.0264
09:01-10:00, Sat., 02 Oct. 0.0295 0.0247 0.0268
08:01-09:00, Sat., 02 Oct. 0.0286 0.0255 0.0271
07:01-08:00, Sat., 02 Oct. 0.0284 0.0247 0.0268
06:01-07:00, Sat., 02 Oct. 0.0282 0.0246 0.0266
05:01-06:00, Sat., 02 Oct. 0.0285 0.0250 0.0267
04:01-05:00, Sat., 02 Oct. 0.0290 0.0251 0.0268
03:01-04:00, Sat., 02 Oct. 0.0288 0.0244 0.0267
02:01-03:00, Sat., 02 Oct. 0.0284 0.0247 0.0263
01:01-02:00, Sat., 02 Oct. 0.0284 0.0244 0.0265
00:01-01:00, Sat., 02 Oct. 0.0286 0.0246 0.0263
23:01-24:00, Fri., 01 Oct. 0.0287 0.0248 0.0263
22:01-23:00, Fri., 01 Oct. 0.0278 0.0245 0.0261
21:01-22:00, Fri., 01 Oct. 0.0288 0.0245 0.0264
20:01-21:00, Fri., 01 Oct. 0.0291 0.0254 0.0268
19:01-20:00, Fri., 01 Oct. 0.0291 0.0256 0.0272
18:01-19:00, Fri., 01 Oct. 0.0299 0.0256 0.0272
17:01-18:00, Fri., 01 Oct. 0.0328 0.0264 0.0292
16:01-17:00, Fri., 01 Oct. 0.0351 0.0291 0.0321
15:01-16:00, Fri., 01 Oct. 0.0354 0.0315 0.0336
14:01-15:00, Fri., 01 Oct. 0.0361 0.0312 0.0336
13:01-14:00, Fri., 01 Oct. 0.0356 0.0316 0.0333
12:01-13:00, Fri., 01 Oct. 0.0359 0.0317 0.0337
11:01-12:00, Fri., 01 Oct. 0.0364 0.0320 0.0346
10:01-11:00, Fri., 01 Oct. 0.0369 0.0312 0.0342
09:01-10:00, Fri., 01 Oct. 0.0357 0.0309 0.0331
08:01-09:00, Fri., 01 Oct. 0.0343 0.0303 0.0324
07:01-08:00, Fri., 01 Oct. 0.0344 0.0284 0.0316
06:01-07:00, Fri., 01 Oct. 0.0331 0.0292 0.0314
05:01-06:00, Fri., 01 Oct. 0.0339 0.0280 0.0303
04:01-05:00, Fri., 01 Oct. 0.0310 0.0274 0.0291
03:01-04:00, Fri., 01 Oct. 0.0305 0.0269 0.0289
02:01-03:00, Fri., 01 Oct. 0.0314 0.0259 0.0290
01:01-02:00, Fri., 01 Oct. 0.0301 0.0263 0.0284
00:01-01:00, Fri., 01 Oct. 0.0307 0.0263 0.0284
23:01-24:00, Thu., 30 Sep. 0.0320 0.0270 0.0290
22:01-23:00, Thu., 30 Sep. 0.0315 0.0253 0.0284
21:01-22:00, Thu., 30 Sep. 0.0303 0.0259 0.0281
20:01-21:00, Thu., 30 Sep. 0.0289 0.0258 0.0272
19:01-20:00, Thu., 30 Sep. 0.0298 0.0254 0.0273
18:01-19:00, Thu., 30 Sep. 0.0284 0.0250 0.0270
17:01-18:00, Thu., 30 Sep. 0.0292 0.0253 0.0274
16:01-17:00, Thu., 30 Sep. 0.0303 0.0257 0.0280
15:01-16:00, Thu., 30 Sep. 0.0294 0.0256 0.0272
14:01-15:00, Thu., 30 Sep. 0.0284 0.0251 0.0270
13:01-14:00, Thu., 30 Sep. 0.0289 0.0257 0.0274
12:01-13:00, Thu., 30 Sep. 0.0300 0.0253 0.0273
11:01-12:00, Thu., 30 Sep. 0.0290 0.0257 0.0275
10:01-11:00, Thu., 30 Sep. 0.0293 0.0264 0.0280
09:01-10:00, Thu., 30 Sep. 0.0303 0.0262 0.0282
08:01-09:00, Thu., 30 Sep. 0.0310 0.0268 0.0285
07:01-08:00, Thu., 30 Sep. 0.0313 0.0271 0.0292
06:01-07:00, Thu., 30 Sep. 0.0322 0.0275 0.0292
05:01-06:00, Thu., 30 Sep. 0.0302 0.0269 0.0284
04:01-05:00, Thu., 30 Sep. 0.0297 0.0266 0.0281
03:01-04:00, Thu., 30 Sep. 0.0302 0.0259 0.0278
02:01-03:00, Thu., 30 Sep. 0.0298 0.0254 0.0273
01:01-02:00, Thu., 30 Sep. 0.0285 0.0254 0.0269
00:01-01:00, Thu., 30 Sep. 0.0295 0.0252 0.0273
23:01-24:00, Wed., 29 Sep. 0.0293 0.0251 0.0270
22:01-23:00, Wed., 29 Sep. 0.0286 0.0246 0.0271
21:01-22:00, Wed., 29 Sep. 0.0292 0.0248 0.0271
20:01-21:00, Wed., 29 Sep. 0.0294 0.0256 0.0271
19:01-20:00, Wed., 29 Sep. 0.0291 0.0243 0.0269
18:01-19:00, Wed., 29 Sep. 0.0283 0.0253 0.0268
17:01-18:00, Wed., 29 Sep. 0.0287 0.0258 0.0270
16:01-17:00, Wed., 29 Sep. 0.0293 0.0254 0.0271
15:01-16:00, Wed., 29 Sep. 0.0296 0.0254 0.0273
14:01-15:00, Wed., 29 Sep. 0.0302 0.0252 0.0273
13:01-14:00, Wed., 29 Sep. 0.0299 0.0252 0.0274
12:01-13:00, Wed., 29 Sep. 0.0290 0.0251 0.0273
11:01-12:00, Wed., 29 Sep. 0.0291 0.0252 0.0271
10:01-11:00, Wed., 29 Sep. 0.0289 0.0259 0.0272
09:01-10:00, Wed., 29 Sep. 0.0307 0.0258 0.0271
08:01-09:00, Wed., 29 Sep. 0.0286 0.0255 0.0272
07:01-08:00, Wed., 29 Sep. 0.0310 0.0261 0.0278
06:01-07:00, Wed., 29 Sep. 0.0297 0.0252 0.0277
05:01-06:00, Wed., 29 Sep. 0.0298 0.0258 0.0277
04:01-05:00, Wed., 29 Sep. 0.0300 0.0250 0.0274
03:01-04:00, Wed., 29 Sep. 0.0296 0.0256 0.0275
02:01-03:00, Wed., 29 Sep. 0.0299 0.0254 0.0275
01:01-02:00, Wed., 29 Sep. 0.0293 0.0256 0.0274
00:01-01:00, Wed., 29 Sep. 0.0295 0.0249 0.0272
23:01-24:00, Tue., 28 Sep. 0.0293 0.0243 0.0269
22:01-23:00, Tue., 28 Sep. 0.0292 0.0252 0.0269
21:01-22:00, Tue., 28 Sep. 0.0281 0.0251 0.0267
20:01-21:00, Tue., 28 Sep. 0.0302 0.0243 0.0268
19:01-20:00, Tue., 28 Sep. 0.0291 0.0255 0.0268
18:01-19:00, Tue., 28 Sep. 0.0298 0.0252 0.0270
17:01-18:00, Tue., 28 Sep. 0.0290 0.0255 0.0272
16:01-17:00, Tue., 28 Sep. 0.0290 0.0252 0.0268
15:01-16:00, Tue., 28 Sep. 0.0291 0.0251 0.0270
14:01-15:00, Tue., 28 Sep. 0.0290 0.0257 0.0271
13:01-14:00, Tue., 28 Sep. 0.0291 0.0245 0.0270
12:01-13:00, Tue., 28 Sep. 0.0285 0.0252 0.0268
11:01-12:00, Tue., 28 Sep. 0.0296 0.0245 0.0270
10:01-11:00, Tue., 28 Sep. 0.0297 0.0251 0.0271
09:01-10:00, Tue., 28 Sep. 0.0293 0.0250 0.0274
08:01-09:00, Tue., 28 Sep. 0.0295 0.0259 0.0276
07:01-08:00, Tue., 28 Sep. 0.0297 0.0257 0.0277
06:01-07:00, Tue., 28 Sep. 0.0292 0.0253 0.0273
05:01-06:00, Tue., 28 Sep. 0.0291 0.0258 0.0275
04:01-05:00, Tue., 28 Sep. 0.0295 0.0253 0.0274
03:01-04:00, Tue., 28 Sep. 0.0296 0.0257 0.0275
02:01-03:00, Tue., 28 Sep. 0.0286 0.0257 0.0271
01:01-02:00, Tue., 28 Sep. 0.0294 0.0253 0.0274
00:01-01:00, Tue., 28 Sep. 0.0291 0.0245 0.0271
23:01-24:00, Mon., 27 Sep. 0.0290 0.0245 0.0268
22:01-23:00, Mon., 27 Sep. 0.0287 0.0252 0.0269
21:01-22:00, Mon., 27 Sep. 0.0298 0.0249 0.0269
20:01-21:00, Mon., 27 Sep. 0.0288 0.0254 0.0267
19:01-20:00, Mon., 27 Sep. 0.0284 0.0242 0.0268
18:01-19:00, Mon., 27 Sep. 0.0285 0.0253 0.0268
17:01-18:00, Mon., 27 Sep. 0.0302 0.0245 0.0268
16:01-17:00, Mon., 27 Sep. 0.0286 0.0251 0.0269
15:01-16:00, Mon., 27 Sep. 0.0288 0.0256 0.0271
14:01-15:00, Mon., 27 Sep. 0.0291 0.0254 0.0273
13:01-14:00, Mon., 27 Sep. 0.0294 0.0251 0.0271
12:01-13:00, Mon., 27 Sep. 0.0291 0.0257 0.0272
11:01-12:00, Mon., 27 Sep. 0.0288 0.0249 0.0270
10:01-11:00, Mon., 27 Sep. 0.0290 0.0250 0.0272
09:01-10:00, Mon., 27 Sep. 0.0306 0.0260 0.0275
08:01-09:00, Mon., 27 Sep. 0.0295 0.0256 0.0276
07:01-08:00, Mon., 27 Sep. 0.0291 0.0255 0.0275
06:01-07:00, Mon., 27 Sep. 0.0296 0.0253 0.0274
05:01-06:00, Mon., 27 Sep. 0.0291 0.0255 0.0274
04:01-05:00, Mon., 27 Sep. 0.0287 0.0251 0.0271
03:01-04:00, Mon., 27 Sep. 0.0289 0.0247 0.0273
02:01-03:00, Mon., 27 Sep. 0.0290 0.0252 0.0273
01:01-02:00, Mon., 27 Sep. 0.0293 0.0258 0.0275
00:01-01:00, Mon., 27 Sep. 0.0291 0.0259 0.0273