Measurement results by the hour (Chofu) 19 Dec., 2022 - 25 Dec., 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., 25 Dec. 0.0294 0.0251 0.0273
22:01-23:00, Sun., 25 Dec. 0.0294 0.0255 0.0273
21:01-22:00, Sun., 25 Dec. 0.0288 0.0256 0.0271
20:01-21:00, Sun., 25 Dec. 0.0285 0.0253 0.0269
19:01-20:00, Sun., 25 Dec. 0.0298 0.0257 0.0271
18:01-19:00, Sun., 25 Dec. 0.0295 0.0260 0.0272
17:01-18:00, Sun., 25 Dec. 0.0283 0.0250 0.0269
16:01-17:00, Sun., 25 Dec. 0.0286 0.0246 0.0266
15:01-16:00, Sun., 25 Dec. 0.0285 0.0254 0.0270
14:01-15:00, Sun., 25 Dec. 0.0295 0.0247 0.0269
13:01-14:00, Sun., 25 Dec. 0.0290 0.0250 0.0270
12:01-13:00, Sun., 25 Dec. 0.0289 0.0253 0.0270
11:01-12:00, Sun., 25 Dec. 0.0302 0.0253 0.0279
10:01-11:00, Sun., 25 Dec. 0.0303 0.0267 0.0284
09:01-10:00, Sun., 25 Dec. 0.0302 0.0272 0.0286
08:01-09:00, Sun., 25 Dec. 0.0297 0.0265 0.0284
07:01-08:00, Sun., 25 Dec. 0.0304 0.0266 0.0283
06:01-07:00, Sun., 25 Dec. 0.0306 0.0271 0.0286
05:01-06:00, Sun., 25 Dec. 0.0306 0.0267 0.0287
04:01-05:00, Sun., 25 Dec. 0.0305 0.0255 0.0286
03:01-04:00, Sun., 25 Dec. 0.0310 0.0265 0.0289
02:01-03:00, Sun., 25 Dec. 0.0305 0.0264 0.0283
01:01-02:00, Sun., 25 Dec. 0.0310 0.0263 0.0283
00:01-01:00, Sun., 25 Dec. 0.0311 0.0265 0.0282
23:01-24:00, Sat., 24 Dec. 0.0295 0.0260 0.0277
22:01-23:00, Sat., 24 Dec. 0.0290 0.0249 0.0275
21:01-22:00, Sat., 24 Dec. 0.0299 0.0252 0.0277
20:01-21:00, Sat., 24 Dec. 0.0290 0.0256 0.0275
19:01-20:00, Sat., 24 Dec. 0.0300 0.0250 0.0271
18:01-19:00, Sat., 24 Dec. 0.0295 0.0252 0.0272
17:01-18:00, Sat., 24 Dec. 0.0291 0.0255 0.0273
16:01-17:00, Sat., 24 Dec. 0.0298 0.0260 0.0276
15:01-16:00, Sat., 24 Dec. 0.0299 0.0260 0.0276
14:01-15:00, Sat., 24 Dec. 0.0302 0.0254 0.0272
13:01-14:00, Sat., 24 Dec. 0.0292 0.0260 0.0275
12:01-13:00, Sat., 24 Dec. 0.0297 0.0255 0.0278
11:01-12:00, Sat., 24 Dec. 0.0296 0.0263 0.0281
10:01-11:00, Sat., 24 Dec. 0.0294 0.0263 0.0280
09:01-10:00, Sat., 24 Dec. 0.0294 0.0256 0.0280
08:01-09:00, Sat., 24 Dec. 0.0308 0.0253 0.0278
07:01-08:00, Sat., 24 Dec. 0.0293 0.0263 0.0277
06:01-07:00, Sat., 24 Dec. 0.0294 0.0258 0.0276
05:01-06:00, Sat., 24 Dec. 0.0297 0.0261 0.0278
04:01-05:00, Sat., 24 Dec. 0.0298 0.0264 0.0277
03:01-04:00, Sat., 24 Dec. 0.0293 0.0257 0.0276
02:01-03:00, Sat., 24 Dec. 0.0297 0.0258 0.0278
01:01-02:00, Sat., 24 Dec. 0.0294 0.0250 0.0277
00:01-01:00, Sat., 24 Dec. 0.0299 0.0259 0.0278
23:01-24:00, Fri., 23 Dec. 0.0297 0.0264 0.0277
22:01-23:00, Fri., 23 Dec. 0.0291 0.0248 0.0274
21:01-22:00, Fri., 23 Dec. 0.0290 0.0258 0.0275
20:01-21:00, Fri., 23 Dec. 0.0297 0.0253 0.0274
19:01-20:00, Fri., 23 Dec. 0.0292 0.0258 0.0274
18:01-19:00, Fri., 23 Dec. 0.0293 0.0259 0.0275
17:01-18:00, Fri., 23 Dec. 0.0301 0.0255 0.0275
16:01-17:00, Fri., 23 Dec. 0.0296 0.0248 0.0276
15:01-16:00, Fri., 23 Dec. 0.0294 0.0263 0.0278
14:01-15:00, Fri., 23 Dec. 0.0297 0.0261 0.0277
13:01-14:00, Fri., 23 Dec. 0.0289 0.0258 0.0275
12:01-13:00, Fri., 23 Dec. 0.0295 0.0251 0.0275
11:01-12:00, Fri., 23 Dec. 0.0295 0.0247 0.0275
10:01-11:00, Fri., 23 Dec. 0.0294 0.0255 0.0274
09:01-10:00, Fri., 23 Dec. 0.0288 0.0257 0.0272
08:01-09:00, Fri., 23 Dec. 0.0295 0.0253 0.0269
07:01-08:00, Fri., 23 Dec. 0.0290 0.0256 0.0271
06:01-07:00, Fri., 23 Dec. 0.0291 0.0256 0.0271
05:01-06:00, Fri., 23 Dec. 0.0291 0.0256 0.0275
04:01-05:00, Fri., 23 Dec. 0.0301 0.0255 0.0276
03:01-04:00, Fri., 23 Dec. 0.0295 0.0250 0.0272
02:01-03:00, Fri., 23 Dec. 0.0294 0.0251 0.0272
01:01-02:00, Fri., 23 Dec. 0.0293 0.0252 0.0270
00:01-01:00, Fri., 23 Dec. 0.0288 0.0255 0.0270
23:01-24:00, Thu., 22 Dec. 0.0291 0.0248 0.0270
22:01-23:00, Thu., 22 Dec. 0.0286 0.0252 0.0270
21:01-22:00, Thu., 22 Dec. 0.0292 0.0255 0.0269
20:01-21:00, Thu., 22 Dec. 0.0291 0.0257 0.0272
19:01-20:00, Thu., 22 Dec. 0.0287 0.0254 0.0269
18:01-19:00, Thu., 22 Dec. 0.0291 0.0249 0.0267
17:01-18:00, Thu., 22 Dec. 0.0282 0.0248 0.0265
16:01-17:00, Thu., 22 Dec. 0.0282 0.0242 0.0262
15:01-16:00, Thu., 22 Dec. 0.0284 0.0237 0.0267
14:01-15:00, Thu., 22 Dec. 0.0287 0.0256 0.0271
13:01-14:00, Thu., 22 Dec. 0.0308 0.0269 0.0288
12:01-13:00, Thu., 22 Dec. 0.0363 0.0281 0.0315
11:01-12:00, Thu., 22 Dec. 0.0434 0.0332 0.0379
10:01-11:00, Thu., 22 Dec. 0.0486 0.0414 0.0451
09:01-10:00, Thu., 22 Dec. 0.0456 0.0371 0.0412
08:01-09:00, Thu., 22 Dec. 0.0443 0.0362 0.0392
07:01-08:00, Thu., 22 Dec. 0.0449 0.0355 0.0396
06:01-07:00, Thu., 22 Dec. 0.0426 0.0359 0.0390
05:01-06:00, Thu., 22 Dec. 0.0425 0.0359 0.0380
04:01-05:00, Thu., 22 Dec. 0.0396 0.0325 0.0355
03:01-04:00, Thu., 22 Dec. 0.0336 0.0268 0.0301
02:01-03:00, Thu., 22 Dec. 0.0302 0.0268 0.0286
01:01-02:00, Thu., 22 Dec. 0.0315 0.0264 0.0285
00:01-01:00, Thu., 22 Dec. 0.0301 0.0265 0.0280
23:01-24:00, Wed., 21 Dec. 0.0308 0.0262 0.0281
22:01-23:00, Wed., 21 Dec. 0.0298 0.0266 0.0282
21:01-22:00, Wed., 21 Dec. 0.0308 0.0261 0.0285
20:01-21:00, Wed., 21 Dec. 0.0300 0.0257 0.0279
19:01-20:00, Wed., 21 Dec. 0.0300 0.0259 0.0278
18:01-19:00, Wed., 21 Dec. 0.0303 0.0260 0.0278
17:01-18:00, Wed., 21 Dec. 0.0300 0.0263 0.0278
16:01-17:00, Wed., 21 Dec. 0.0294 0.0251 0.0273
15:01-16:00, Wed., 21 Dec. 0.0299 0.0249 0.0275
14:01-15:00, Wed., 21 Dec. 0.0304 0.0262 0.0280
13:01-14:00, Wed., 21 Dec. 0.0296 0.0259 0.0279
12:01-13:00, Wed., 21 Dec. 0.0298 0.0267 0.0281
11:01-12:00, Wed., 21 Dec. 0.0299 0.0271 0.0284
10:01-11:00, Wed., 21 Dec. 0.0303 0.0271 0.0287
09:01-10:00, Wed., 21 Dec. 0.0314 0.0263 0.0289
08:01-09:00, Wed., 21 Dec. 0.0309 0.0273 0.0290
07:01-08:00, Wed., 21 Dec. 0.0308 0.0270 0.0292
06:01-07:00, Wed., 21 Dec. 0.0302 0.0265 0.0286
05:01-06:00, Wed., 21 Dec. 0.0313 0.0272 0.0290
04:01-05:00, Wed., 21 Dec. 0.0311 0.0275 0.0293
03:01-04:00, Wed., 21 Dec. 0.0318 0.0265 0.0293
02:01-03:00, Wed., 21 Dec. 0.0311 0.0273 0.0291
01:01-02:00, Wed., 21 Dec. 0.0313 0.0269 0.0291
00:01-01:00, Wed., 21 Dec. 0.0310 0.0263 0.0287
23:01-24:00, Tue., 20 Dec. 0.0308 0.0265 0.0284
22:01-23:00, Tue., 20 Dec. 0.0298 0.0269 0.0282
21:01-22:00, Tue., 20 Dec. 0.0305 0.0264 0.0282
20:01-21:00, Tue., 20 Dec. 0.0298 0.0257 0.0279
19:01-20:00, Tue., 20 Dec. 0.0288 0.0246 0.0269
18:01-19:00, Tue., 20 Dec. 0.0291 0.0244 0.0268
17:01-18:00, Tue., 20 Dec. 0.0292 0.0244 0.0268
16:01-17:00, Tue., 20 Dec. 0.0288 0.0250 0.0268
15:01-16:00, Tue., 20 Dec. 0.0283 0.0252 0.0268
14:01-15:00, Tue., 20 Dec. 0.0292 0.0250 0.0268
13:01-14:00, Tue., 20 Dec. 0.0290 0.0255 0.0270
12:01-13:00, Tue., 20 Dec. 0.0292 0.0257 0.0274
11:01-12:00, Tue., 20 Dec. 0.0297 0.0257 0.0279
10:01-11:00, Tue., 20 Dec. 0.0298 0.0260 0.0280
09:01-10:00, Tue., 20 Dec. 0.0301 0.0267 0.0282
08:01-09:00, Tue., 20 Dec. 0.0308 0.0275 0.0288
07:01-08:00, Tue., 20 Dec. 0.0326 0.0275 0.0297
06:01-07:00, Tue., 20 Dec. 0.0312 0.0268 0.0293
05:01-06:00, Tue., 20 Dec. 0.0311 0.0275 0.0292
04:01-05:00, Tue., 20 Dec. 0.0312 0.0267 0.0288
03:01-04:00, Tue., 20 Dec. 0.0308 0.0267 0.0289
02:01-03:00, Tue., 20 Dec. 0.0304 0.0265 0.0286
01:01-02:00, Tue., 20 Dec. 0.0308 0.0269 0.0285
00:01-01:00, Tue., 20 Dec. 0.0303 0.0259 0.0279
23:01-24:00, Mon., 19 Dec. 0.0304 0.0258 0.0279
22:01-23:00, Mon., 19 Dec. 0.0291 0.0259 0.0277
21:01-22:00, Mon., 19 Dec. 0.0294 0.0252 0.0276
20:01-21:00, Mon., 19 Dec. 0.0287 0.0247 0.0270
19:01-20:00, Mon., 19 Dec. 0.0288 0.0248 0.0270
18:01-19:00, Mon., 19 Dec. 0.0288 0.0256 0.0269
17:01-18:00, Mon., 19 Dec. 0.0288 0.0251 0.0269
16:01-17:00, Mon., 19 Dec. 0.0283 0.0248 0.0266
15:01-16:00, Mon., 19 Dec. 0.0292 0.0250 0.0267
14:01-15:00, Mon., 19 Dec. 0.0288 0.0248 0.0268
13:01-14:00, Mon., 19 Dec. 0.0291 0.0251 0.0270
12:01-13:00, Mon., 19 Dec. 0.0287 0.0254 0.0271
11:01-12:00, Mon., 19 Dec. 0.0286 0.0252 0.0272
10:01-11:00, Mon., 19 Dec. 0.0300 0.0253 0.0273
09:01-10:00, Mon., 19 Dec. 0.0300 0.0250 0.0273
08:01-09:00, Mon., 19 Dec. 0.0292 0.0255 0.0275
07:01-08:00, Mon., 19 Dec. 0.0307 0.0256 0.0275
06:01-07:00, Mon., 19 Dec. 0.0292 0.0256 0.0274
05:01-06:00, Mon., 19 Dec. 0.0285 0.0253 0.0271
04:01-05:00, Mon., 19 Dec. 0.0291 0.0247 0.0271
03:01-04:00, Mon., 19 Dec. 0.0289 0.0252 0.0271
02:01-03:00, Mon., 19 Dec. 0.0291 0.0251 0.0270
01:01-02:00, Mon., 19 Dec. 0.0292 0.0250 0.0269
00:01-01:00, Mon., 19 Dec. 0.0286 0.0248 0.0268