Measurement results by the hour (Chofu) 5 Dec., 2022 - 11 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., 11 Dec. 0.0428 0.0322 0.0373
22:01-23:00, Sun., 11 Dec. 0.0414 0.0264 0.0342
21:01-22:00, Sun., 11 Dec. 0.0296 0.0256 0.0276
20:01-21:00, Sun., 11 Dec. 0.0288 0.0251 0.0273
19:01-20:00, Sun., 11 Dec. 0.0304 0.0264 0.0282
18:01-19:00, Sun., 11 Dec. 0.0309 0.0271 0.0290
17:01-18:00, Sun., 11 Dec. 0.0318 0.0278 0.0299
16:01-17:00, Sun., 11 Dec. 0.0341 0.0290 0.0313
15:01-16:00, Sun., 11 Dec. 0.0342 0.0254 0.0295
14:01-15:00, Sun., 11 Dec. 0.0302 0.0251 0.0275
13:01-14:00, Sun., 11 Dec. 0.0299 0.0262 0.0276
12:01-13:00, Sun., 11 Dec. 0.0300 0.0267 0.0283
11:01-12:00, Sun., 11 Dec. 0.0300 0.0260 0.0280
10:01-11:00, Sun., 11 Dec. 0.0318 0.0270 0.0287
09:01-10:00, Sun., 11 Dec. 0.0320 0.0273 0.0294
08:01-09:00, Sun., 11 Dec. 0.0317 0.0281 0.0299
07:01-08:00, Sun., 11 Dec. 0.0321 0.0280 0.0301
06:01-07:00, Sun., 11 Dec. 0.0314 0.0277 0.0297
05:01-06:00, Sun., 11 Dec. 0.0317 0.0284 0.0298
04:01-05:00, Sun., 11 Dec. 0.0325 0.0275 0.0298
03:01-04:00, Sun., 11 Dec. 0.0317 0.0276 0.0294
02:01-03:00, Sun., 11 Dec. 0.0308 0.0268 0.0288
01:01-02:00, Sun., 11 Dec. 0.0306 0.0272 0.0289
00:01-01:00, Sun., 11 Dec. 0.0306 0.0266 0.0288
23:01-24:00, Sat., 10 Dec. 0.0305 0.0274 0.0287
22:01-23:00, Sat., 10 Dec. 0.0311 0.0266 0.0286
21:01-22:00, Sat., 10 Dec. 0.0300 0.0266 0.0284
20:01-21:00, Sat., 10 Dec. 0.0307 0.0262 0.0281
19:01-20:00, Sat., 10 Dec. 0.0294 0.0248 0.0275
18:01-19:00, Sat., 10 Dec. 0.0290 0.0255 0.0272
17:01-18:00, Sat., 10 Dec. 0.0288 0.0251 0.0271
16:01-17:00, Sat., 10 Dec. 0.0296 0.0254 0.0271
15:01-16:00, Sat., 10 Dec. 0.0294 0.0252 0.0269
14:01-15:00, Sat., 10 Dec. 0.0289 0.0251 0.0269
13:01-14:00, Sat., 10 Dec. 0.0287 0.0253 0.0272
12:01-13:00, Sat., 10 Dec. 0.0293 0.0254 0.0272
11:01-12:00, Sat., 10 Dec. 0.0302 0.0263 0.0280
10:01-11:00, Sat., 10 Dec. 0.0311 0.0268 0.0289
09:01-10:00, Sat., 10 Dec. 0.0336 0.0281 0.0300
08:01-09:00, Sat., 10 Dec. 0.0310 0.0279 0.0296
07:01-08:00, Sat., 10 Dec. 0.0317 0.0279 0.0297
06:01-07:00, Sat., 10 Dec. 0.0323 0.0276 0.0299
05:01-06:00, Sat., 10 Dec. 0.0325 0.0275 0.0300
04:01-05:00, Sat., 10 Dec. 0.0321 0.0283 0.0302
03:01-04:00, Sat., 10 Dec. 0.0319 0.0273 0.0298
02:01-03:00, Sat., 10 Dec. 0.0327 0.0274 0.0296
01:01-02:00, Sat., 10 Dec. 0.0316 0.0273 0.0292
00:01-01:00, Sat., 10 Dec. 0.0296 0.0261 0.0280
23:01-24:00, Fri., 09 Dec. 0.0296 0.0261 0.0280
22:01-23:00, Fri., 09 Dec. 0.0299 0.0261 0.0278
21:01-22:00, Fri., 09 Dec. 0.0297 0.0257 0.0278
20:01-21:00, Fri., 09 Dec. 0.0298 0.0259 0.0277
19:01-20:00, Fri., 09 Dec. 0.0293 0.0252 0.0274
18:01-19:00, Fri., 09 Dec. 0.0285 0.0252 0.0269
17:01-18:00, Fri., 09 Dec. 0.0282 0.0250 0.0268
16:01-17:00, Fri., 09 Dec. 0.0284 0.0246 0.0268
15:01-16:00, Fri., 09 Dec. 0.0286 0.0254 0.0269
14:01-15:00, Fri., 09 Dec. 0.0287 0.0248 0.0270
13:01-14:00, Fri., 09 Dec. 0.0295 0.0256 0.0272
12:01-13:00, Fri., 09 Dec. 0.0292 0.0252 0.0276
11:01-12:00, Fri., 09 Dec. 0.0293 0.0255 0.0275
10:01-11:00, Fri., 09 Dec. 0.0293 0.0250 0.0275
09:01-10:00, Fri., 09 Dec. 0.0299 0.0257 0.0279
08:01-09:00, Fri., 09 Dec. 0.0297 0.0265 0.0280
07:01-08:00, Fri., 09 Dec. 0.0300 0.0264 0.0282
06:01-07:00, Fri., 09 Dec. 0.0304 0.0264 0.0283
05:01-06:00, Fri., 09 Dec. 0.0300 0.0262 0.0282
04:01-05:00, Fri., 09 Dec. 0.0310 0.0265 0.0288
03:01-04:00, Fri., 09 Dec. 0.0311 0.0269 0.0287
02:01-03:00, Fri., 09 Dec. 0.0297 0.0261 0.0282
01:01-02:00, Fri., 09 Dec. 0.0295 0.0251 0.0276
00:01-01:00, Fri., 09 Dec. 0.0299 0.0257 0.0276
23:01-24:00, Thu., 08 Dec. 0.0296 0.0258 0.0274
22:01-23:00, Thu., 08 Dec. 0.0292 0.0254 0.0272
21:01-22:00, Thu., 08 Dec. 0.0288 0.0250 0.0272
20:01-21:00, Thu., 08 Dec. 0.0296 0.0254 0.0272
19:01-20:00, Thu., 08 Dec. 0.0285 0.0251 0.0268
18:01-19:00, Thu., 08 Dec. 0.0298 0.0246 0.0268
17:01-18:00, Thu., 08 Dec. 0.0296 0.0257 0.0273
16:01-17:00, Thu., 08 Dec. 0.0285 0.0250 0.0266
15:01-16:00, Thu., 08 Dec. 0.0290 0.0247 0.0268
14:01-15:00, Thu., 08 Dec. 0.0286 0.0246 0.0269
13:01-14:00, Thu., 08 Dec. 0.0298 0.0255 0.0272
12:01-13:00, Thu., 08 Dec. 0.0287 0.0256 0.0272
11:01-12:00, Thu., 08 Dec. 0.0290 0.0262 0.0276
10:01-11:00, Thu., 08 Dec. 0.0312 0.0267 0.0287
09:01-10:00, Thu., 08 Dec. 0.0310 0.0274 0.0291
08:01-09:00, Thu., 08 Dec. 0.0311 0.0276 0.0293
07:01-08:00, Thu., 08 Dec. 0.0314 0.0274 0.0294
06:01-07:00, Thu., 08 Dec. 0.0318 0.0273 0.0295
05:01-06:00, Thu., 08 Dec. 0.0313 0.0277 0.0295
04:01-05:00, Thu., 08 Dec. 0.0316 0.0269 0.0294
03:01-04:00, Thu., 08 Dec. 0.0310 0.0272 0.0290
02:01-03:00, Thu., 08 Dec. 0.0307 0.0270 0.0287
01:01-02:00, Thu., 08 Dec. 0.0314 0.0270 0.0284
00:01-01:00, Thu., 08 Dec. 0.0305 0.0265 0.0284
23:01-24:00, Wed., 07 Dec. 0.0307 0.0267 0.0285
22:01-23:00, Wed., 07 Dec. 0.0312 0.0265 0.0285
21:01-22:00, Wed., 07 Dec. 0.0305 0.0263 0.0282
20:01-21:00, Wed., 07 Dec. 0.0299 0.0263 0.0279
19:01-20:00, Wed., 07 Dec. 0.0302 0.0253 0.0273
18:01-19:00, Wed., 07 Dec. 0.0285 0.0251 0.0269
17:01-18:00, Wed., 07 Dec. 0.0287 0.0251 0.0267
16:01-17:00, Wed., 07 Dec. 0.0288 0.0253 0.0269
15:01-16:00, Wed., 07 Dec. 0.0297 0.0255 0.0268
14:01-15:00, Wed., 07 Dec. 0.0297 0.0253 0.0269
13:01-14:00, Wed., 07 Dec. 0.0288 0.0248 0.0270
12:01-13:00, Wed., 07 Dec. 0.0295 0.0250 0.0273
11:01-12:00, Wed., 07 Dec. 0.0292 0.0259 0.0273
10:01-11:00, Wed., 07 Dec. 0.0295 0.0247 0.0270
09:01-10:00, Wed., 07 Dec. 0.0312 0.0264 0.0288
08:01-09:00, Wed., 07 Dec. 0.0315 0.0270 0.0288
07:01-08:00, Wed., 07 Dec. 0.0320 0.0270 0.0288
06:01-07:00, Wed., 07 Dec. 0.0307 0.0263 0.0288
05:01-06:00, Wed., 07 Dec. 0.0307 0.0268 0.0290
04:01-05:00, Wed., 07 Dec. 0.0308 0.0265 0.0289
03:01-04:00, Wed., 07 Dec. 0.0307 0.0270 0.0290
02:01-03:00, Wed., 07 Dec. 0.0308 0.0270 0.0289
01:01-02:00, Wed., 07 Dec. 0.0302 0.0263 0.0282
00:01-01:00, Wed., 07 Dec. 0.0298 0.0260 0.0283
23:01-24:00, Tue., 06 Dec. 0.0301 0.0266 0.0281
22:01-23:00, Tue., 06 Dec. 0.0305 0.0261 0.0277
21:01-22:00, Tue., 06 Dec. 0.0284 0.0249 0.0272
20:01-21:00, Tue., 06 Dec. 0.0292 0.0257 0.0273
19:01-20:00, Tue., 06 Dec. 0.0288 0.0243 0.0269
18:01-19:00, Tue., 06 Dec. 0.0305 0.0254 0.0268
17:01-18:00, Tue., 06 Dec. 0.0291 0.0249 0.0269
16:01-17:00, Tue., 06 Dec. 0.0286 0.0248 0.0267
15:01-16:00, Tue., 06 Dec. 0.0294 0.0250 0.0269
14:01-15:00, Tue., 06 Dec. 0.0291 0.0255 0.0272
13:01-14:00, Tue., 06 Dec. 0.0293 0.0255 0.0274
12:01-13:00, Tue., 06 Dec. 0.0313 0.0269 0.0290
11:01-12:00, Tue., 06 Dec. 0.0348 0.0294 0.0320
10:01-11:00, Tue., 06 Dec. 0.0371 0.0318 0.0346
09:01-10:00, Tue., 06 Dec. 0.0362 0.0292 0.0321
08:01-09:00, Tue., 06 Dec. 0.0327 0.0285 0.0306
07:01-08:00, Tue., 06 Dec. 0.0335 0.0293 0.0313
06:01-07:00, Tue., 06 Dec. 0.0379 0.0311 0.0345
05:01-06:00, Tue., 06 Dec. 0.0434 0.0359 0.0383
04:01-05:00, Tue., 06 Dec. 0.0447 0.0371 0.0410
03:01-04:00, Tue., 06 Dec. 0.0476 0.0394 0.0425
02:01-03:00, Tue., 06 Dec. 0.0551 0.0437 0.0496
01:01-02:00, Tue., 06 Dec. 0.0577 0.0491 0.0532
00:01-01:00, Tue., 06 Dec. 0.0566 0.0487 0.0531
23:01-24:00, Mon., 05 Dec. 0.0561 0.0475 0.0518
22:01-23:00, Mon., 05 Dec. 0.0554 0.0493 0.0522
21:01-22:00, Mon., 05 Dec. 0.0557 0.0452 0.0503
20:01-21:00, Mon., 05 Dec. 0.0510 0.0385 0.0466
19:01-20:00, Mon., 05 Dec. 0.0416 0.0303 0.0349
18:01-19:00, Mon., 05 Dec. 0.0335 0.0274 0.0307
17:01-18:00, Mon., 05 Dec. 0.0316 0.0275 0.0296
16:01-17:00, Mon., 05 Dec. 0.0311 0.0272 0.0296
15:01-16:00, Mon., 05 Dec. 0.0312 0.0272 0.0293
14:01-15:00, Mon., 05 Dec. 0.0318 0.0281 0.0295
13:01-14:00, Mon., 05 Dec. 0.0305 0.0266 0.0282
12:01-13:00, Mon., 05 Dec. 0.0297 0.0265 0.0283
11:01-12:00, Mon., 05 Dec. 0.0301 0.0264 0.0284
10:01-11:00, Mon., 05 Dec. 0.0298 0.0263 0.0285
09:01-10:00, Mon., 05 Dec. 0.0304 0.0264 0.0289
08:01-09:00, Mon., 05 Dec. 0.0302 0.0269 0.0286
07:01-08:00, Mon., 05 Dec. 0.0301 0.0256 0.0284
06:01-07:00, Mon., 05 Dec. 0.0314 0.0263 0.0283
05:01-06:00, Mon., 05 Dec. 0.0304 0.0261 0.0281
04:01-05:00, Mon., 05 Dec. 0.0301 0.0262 0.0279
03:01-04:00, Mon., 05 Dec. 0.0295 0.0261 0.0280
02:01-03:00, Mon., 05 Dec. 0.0300 0.0258 0.0278
01:01-02:00, Mon., 05 Dec. 0.0306 0.0257 0.0280
00:01-01:00, Mon., 05 Dec. 0.0304 0.0259 0.0278