Measurement results by the hour (Chofu) 10 Oct., 2022 - 16 Oct., 2022

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., 16 Oct. 0.0288 0.0255 0.0268
22:01-23:00, Sun., 16 Oct. 0.0284 0.0246 0.0266
21:01-22:00, Sun., 16 Oct. 0.0280 0.0252 0.0265
20:01-21:00, Sun., 16 Oct. 0.0285 0.0249 0.0264
19:01-20:00, Sun., 16 Oct. 0.0282 0.0247 0.0266
18:01-19:00, Sun., 16 Oct. 0.0283 0.0243 0.0265
17:01-18:00, Sun., 16 Oct. 0.0280 0.0242 0.0264
16:01-17:00, Sun., 16 Oct. 0.0292 0.0240 0.0264
15:01-16:00, Sun., 16 Oct. 0.0291 0.0255 0.0268
14:01-15:00, Sun., 16 Oct. 0.0293 0.0253 0.0267
13:01-14:00, Sun., 16 Oct. 0.0291 0.0251 0.0271
12:01-13:00, Sun., 16 Oct. 0.0288 0.0250 0.0272
11:01-12:00, Sun., 16 Oct. 0.0289 0.0248 0.0268
10:01-11:00, Sun., 16 Oct. 0.0291 0.0257 0.0272
09:01-10:00, Sun., 16 Oct. 0.0294 0.0261 0.0273
08:01-09:00, Sun., 16 Oct. 0.0291 0.0258 0.0273
07:01-08:00, Sun., 16 Oct. 0.0311 0.0257 0.0273
06:01-07:00, Sun., 16 Oct. 0.0298 0.0259 0.0279
05:01-06:00, Sun., 16 Oct. 0.0298 0.0253 0.0276
04:01-05:00, Sun., 16 Oct. 0.0295 0.0256 0.0274
03:01-04:00, Sun., 16 Oct. 0.0288 0.0246 0.0269
02:01-03:00, Sun., 16 Oct. 0.0288 0.0248 0.0267
01:01-02:00, Sun., 16 Oct. 0.0287 0.0244 0.0265
00:01-01:00, Sun., 16 Oct. 0.0292 0.0249 0.0264
23:01-24:00, Sat., 15 Oct. 0.0283 0.0251 0.0265
22:01-23:00, Sat., 15 Oct. 0.0285 0.0249 0.0265
21:01-22:00, Sat., 15 Oct. 0.0285 0.0248 0.0265
20:01-21:00, Sat., 15 Oct. 0.0304 0.0236 0.0266
19:01-20:00, Sat., 15 Oct. 0.0286 0.0251 0.0264
18:01-19:00, Sat., 15 Oct. 0.0281 0.0242 0.0263
17:01-18:00, Sat., 15 Oct. 0.0276 0.0241 0.0260
16:01-17:00, Sat., 15 Oct. 0.0280 0.0242 0.0264
15:01-16:00, Sat., 15 Oct. 0.0279 0.0245 0.0263
14:01-15:00, Sat., 15 Oct. 0.0285 0.0246 0.0264
13:01-14:00, Sat., 15 Oct. 0.0284 0.0250 0.0264
12:01-13:00, Sat., 15 Oct. 0.0298 0.0248 0.0265
11:01-12:00, Sat., 15 Oct. 0.0282 0.0250 0.0265
10:01-11:00, Sat., 15 Oct. 0.0286 0.0248 0.0268
09:01-10:00, Sat., 15 Oct. 0.0297 0.0255 0.0270
08:01-09:00, Sat., 15 Oct. 0.0296 0.0256 0.0272
07:01-08:00, Sat., 15 Oct. 0.0286 0.0253 0.0272
06:01-07:00, Sat., 15 Oct. 0.0297 0.0254 0.0272
05:01-06:00, Sat., 15 Oct. 0.0295 0.0255 0.0273
04:01-05:00, Sat., 15 Oct. 0.0292 0.0250 0.0274
03:01-04:00, Sat., 15 Oct. 0.0292 0.0256 0.0272
02:01-03:00, Sat., 15 Oct. 0.0290 0.0253 0.0271
01:01-02:00, Sat., 15 Oct. 0.0285 0.0246 0.0269
00:01-01:00, Sat., 15 Oct. 0.0288 0.0254 0.0268
23:01-24:00, Fri., 14 Oct. 0.0280 0.0254 0.0268
22:01-23:00, Fri., 14 Oct. 0.0294 0.0250 0.0268
21:01-22:00, Fri., 14 Oct. 0.0286 0.0246 0.0268
20:01-21:00, Fri., 14 Oct. 0.0286 0.0251 0.0267
19:01-20:00, Fri., 14 Oct. 0.0297 0.0249 0.0270
18:01-19:00, Fri., 14 Oct. 0.0308 0.0262 0.0282
17:01-18:00, Fri., 14 Oct. 0.0323 0.0249 0.0294
16:01-17:00, Fri., 14 Oct. 0.0285 0.0250 0.0268
15:01-16:00, Fri., 14 Oct. 0.0296 0.0259 0.0273
14:01-15:00, Fri., 14 Oct. 0.0291 0.0257 0.0272
13:01-14:00, Fri., 14 Oct. 0.0283 0.0246 0.0264
12:01-13:00, Fri., 14 Oct. 0.0285 0.0245 0.0265
11:01-12:00, Fri., 14 Oct. 0.0296 0.0251 0.0276
10:01-11:00, Fri., 14 Oct. 0.0322 0.0268 0.0293
09:01-10:00, Fri., 14 Oct. 0.0336 0.0292 0.0312
08:01-09:00, Fri., 14 Oct. 0.0361 0.0312 0.0336
07:01-08:00, Fri., 14 Oct. 0.0351 0.0297 0.0330
06:01-07:00, Fri., 14 Oct. 0.0329 0.0287 0.0308
05:01-06:00, Fri., 14 Oct. 0.0314 0.0272 0.0296
04:01-05:00, Fri., 14 Oct. 0.0326 0.0272 0.0305
03:01-04:00, Fri., 14 Oct. 0.0363 0.0302 0.0336
02:01-03:00, Fri., 14 Oct. 0.0364 0.0306 0.0335
01:01-02:00, Fri., 14 Oct. 0.0352 0.0313 0.0334
00:01-01:00, Fri., 14 Oct. 0.0346 0.0290 0.0317
23:01-24:00, Thu., 13 Oct. 0.0328 0.0284 0.0307
22:01-23:00, Thu., 13 Oct. 0.0364 0.0295 0.0325
21:01-22:00, Thu., 13 Oct. 0.0356 0.0307 0.0333
20:01-21:00, Thu., 13 Oct. 0.0339 0.0296 0.0319
19:01-20:00, Thu., 13 Oct. 0.0373 0.0305 0.0336
18:01-19:00, Thu., 13 Oct. 0.0441 0.0347 0.0389
17:01-18:00, Thu., 13 Oct. 0.0438 0.0297 0.0355
16:01-17:00, Thu., 13 Oct. 0.0455 0.0348 0.0398
15:01-16:00, Thu., 13 Oct. 0.0384 0.0264 0.0313
14:01-15:00, Thu., 13 Oct. 0.0307 0.0263 0.0283
13:01-14:00, Thu., 13 Oct. 0.0299 0.0261 0.0282
12:01-13:00, Thu., 13 Oct. 0.0312 0.0259 0.0288
11:01-12:00, Thu., 13 Oct. 0.0306 0.0271 0.0287
10:01-11:00, Thu., 13 Oct. 0.0304 0.0257 0.0278
09:01-10:00, Thu., 13 Oct. 0.0299 0.0258 0.0280
08:01-09:00, Thu., 13 Oct. 0.0314 0.0267 0.0288
07:01-08:00, Thu., 13 Oct. 0.0307 0.0262 0.0282
06:01-07:00, Thu., 13 Oct. 0.0300 0.0255 0.0278
05:01-06:00, Thu., 13 Oct. 0.0291 0.0257 0.0276
04:01-05:00, Thu., 13 Oct. 0.0299 0.0250 0.0283
03:01-04:00, Thu., 13 Oct. 0.0305 0.0264 0.0286
02:01-03:00, Thu., 13 Oct. 0.0313 0.0270 0.0292
01:01-02:00, Thu., 13 Oct. 0.0316 0.0266 0.0290
00:01-01:00, Thu., 13 Oct. 0.0308 0.0267 0.0285
23:01-24:00, Wed., 12 Oct. 0.0295 0.0265 0.0281
22:01-23:00, Wed., 12 Oct. 0.0302 0.0256 0.0279
21:01-22:00, Wed., 12 Oct. 0.0293 0.0258 0.0276
20:01-21:00, Wed., 12 Oct. 0.0298 0.0255 0.0272
19:01-20:00, Wed., 12 Oct. 0.0295 0.0260 0.0277
18:01-19:00, Wed., 12 Oct. 0.0294 0.0257 0.0276
17:01-18:00, Wed., 12 Oct. 0.0293 0.0254 0.0274
16:01-17:00, Wed., 12 Oct. 0.0291 0.0256 0.0272
15:01-16:00, Wed., 12 Oct. 0.0292 0.0262 0.0274
14:01-15:00, Wed., 12 Oct. 0.0297 0.0255 0.0275
13:01-14:00, Wed., 12 Oct. 0.0294 0.0255 0.0274
12:01-13:00, Wed., 12 Oct. 0.0297 0.0257 0.0275
11:01-12:00, Wed., 12 Oct. 0.0297 0.0262 0.0278
10:01-11:00, Wed., 12 Oct. 0.0295 0.0257 0.0278
09:01-10:00, Wed., 12 Oct. 0.0297 0.0251 0.0279
08:01-09:00, Wed., 12 Oct. 0.0307 0.0260 0.0278
07:01-08:00, Wed., 12 Oct. 0.0307 0.0260 0.0279
06:01-07:00, Wed., 12 Oct. 0.0306 0.0261 0.0279
05:01-06:00, Wed., 12 Oct. 0.0295 0.0261 0.0278
04:01-05:00, Wed., 12 Oct. 0.0301 0.0261 0.0279
03:01-04:00, Wed., 12 Oct. 0.0304 0.0260 0.0277
02:01-03:00, Wed., 12 Oct. 0.0296 0.0258 0.0276
01:01-02:00, Wed., 12 Oct. 0.0295 0.0246 0.0274
00:01-01:00, Wed., 12 Oct. 0.0296 0.0251 0.0273
23:01-24:00, Tue., 11 Oct. 0.0289 0.0258 0.0272
22:01-23:00, Tue., 11 Oct. 0.0288 0.0254 0.0274
21:01-22:00, Tue., 11 Oct. 0.0296 0.0258 0.0275
20:01-21:00, Tue., 11 Oct. 0.0297 0.0256 0.0275
19:01-20:00, Tue., 11 Oct. 0.0294 0.0245 0.0272
18:01-19:00, Tue., 11 Oct. 0.0294 0.0251 0.0272
17:01-18:00, Tue., 11 Oct. 0.0295 0.0254 0.0271
16:01-17:00, Tue., 11 Oct. 0.0297 0.0253 0.0271
15:01-16:00, Tue., 11 Oct. 0.0290 0.0251 0.0271
14:01-15:00, Tue., 11 Oct. 0.0287 0.0258 0.0272
13:01-14:00, Tue., 11 Oct. 0.0289 0.0252 0.0272
12:01-13:00, Tue., 11 Oct. 0.0300 0.0255 0.0276
11:01-12:00, Tue., 11 Oct. 0.0297 0.0259 0.0275
10:01-11:00, Tue., 11 Oct. 0.0296 0.0255 0.0272
09:01-10:00, Tue., 11 Oct. 0.0294 0.0250 0.0274
08:01-09:00, Tue., 11 Oct. 0.0297 0.0258 0.0281
07:01-08:00, Tue., 11 Oct. 0.0299 0.0262 0.0279
06:01-07:00, Tue., 11 Oct. 0.0292 0.0258 0.0274
05:01-06:00, Tue., 11 Oct. 0.0299 0.0256 0.0275
04:01-05:00, Tue., 11 Oct. 0.0295 0.0254 0.0275
03:01-04:00, Tue., 11 Oct. 0.0303 0.0253 0.0273
02:01-03:00, Tue., 11 Oct. 0.0294 0.0248 0.0271
01:01-02:00, Tue., 11 Oct. 0.0290 0.0249 0.0269
00:01-01:00, Tue., 11 Oct. 0.0287 0.0251 0.0267
23:01-24:00, Mon., 10 Oct. 0.0286 0.0249 0.0270
22:01-23:00, Mon., 10 Oct. 0.0289 0.0241 0.0270
21:01-22:00, Mon., 10 Oct. 0.0287 0.0248 0.0267
20:01-21:00, Mon., 10 Oct. 0.0289 0.0248 0.0269
19:01-20:00, Mon., 10 Oct. 0.0294 0.0239 0.0267
18:01-19:00, Mon., 10 Oct. 0.0293 0.0251 0.0268
17:01-18:00, Mon., 10 Oct. 0.0287 0.0242 0.0267
16:01-17:00, Mon., 10 Oct. 0.0288 0.0252 0.0269
15:01-16:00, Mon., 10 Oct. 0.0287 0.0243 0.0266
14:01-15:00, Mon., 10 Oct. 0.0292 0.0255 0.0271
13:01-14:00, Mon., 10 Oct. 0.0307 0.0251 0.0271
12:01-13:00, Mon., 10 Oct. 0.0297 0.0256 0.0273
11:01-12:00, Mon., 10 Oct. 0.0285 0.0240 0.0264
10:01-11:00, Mon., 10 Oct. 0.0283 0.0245 0.0266
09:01-10:00, Mon., 10 Oct. 0.0288 0.0251 0.0268
08:01-09:00, Mon., 10 Oct. 0.0283 0.0251 0.0268
07:01-08:00, Mon., 10 Oct. 0.0284 0.0245 0.0268
06:01-07:00, Mon., 10 Oct. 0.0291 0.0252 0.0272
05:01-06:00, Mon., 10 Oct. 0.0329 0.0265 0.0303
04:01-05:00, Mon., 10 Oct. 0.0390 0.0311 0.0354
03:01-04:00, Mon., 10 Oct. 0.0461 0.0366 0.0407
02:01-03:00, Mon., 10 Oct. 0.0440 0.0369 0.0410
01:01-02:00, Mon., 10 Oct. 0.0469 0.0366 0.0422
00:01-01:00, Mon., 10 Oct. 0.0462 0.0394 0.0429