Measurement results by the hour (Chofu) 29 Nov., 2021 - 5 Dec., 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., 05 Dec. 0.0313 0.0261 0.0282
22:01-23:00, Sun., 05 Dec. 0.0306 0.0257 0.0279
21:01-22:00, Sun., 05 Dec. 0.0298 0.0258 0.0276
20:01-21:00, Sun., 05 Dec. 0.0294 0.0256 0.0276
19:01-20:00, Sun., 05 Dec. 0.0299 0.0246 0.0275
18:01-19:00, Sun., 05 Dec. 0.0294 0.0257 0.0276
17:01-18:00, Sun., 05 Dec. 0.0296 0.0261 0.0275
16:01-17:00, Sun., 05 Dec. 0.0291 0.0262 0.0274
15:01-16:00, Sun., 05 Dec. 0.0291 0.0252 0.0275
14:01-15:00, Sun., 05 Dec. 0.0297 0.0258 0.0277
13:01-14:00, Sun., 05 Dec. 0.0296 0.0257 0.0276
12:01-13:00, Sun., 05 Dec. 0.0293 0.0259 0.0278
11:01-12:00, Sun., 05 Dec. 0.0307 0.0263 0.0278
10:01-11:00, Sun., 05 Dec. 0.0299 0.0260 0.0278
09:01-10:00, Sun., 05 Dec. 0.0304 0.0267 0.0282
08:01-09:00, Sun., 05 Dec. 0.0302 0.0256 0.0281
07:01-08:00, Sun., 05 Dec. 0.0314 0.0264 0.0282
06:01-07:00, Sun., 05 Dec. 0.0303 0.0264 0.0285
05:01-06:00, Sun., 05 Dec. 0.0301 0.0265 0.0282
04:01-05:00, Sun., 05 Dec. 0.0307 0.0266 0.0284
03:01-04:00, Sun., 05 Dec. 0.0307 0.0271 0.0286
02:01-03:00, Sun., 05 Dec. 0.0307 0.0262 0.0288
01:01-02:00, Sun., 05 Dec. 0.0320 0.0269 0.0285
00:01-01:00, Sun., 05 Dec. 0.0302 0.0269 0.0283
23:01-24:00, Sat., 04 Dec. 0.0306 0.0264 0.0280
22:01-23:00, Sat., 04 Dec. 0.0305 0.0261 0.0279
21:01-22:00, Sat., 04 Dec. 0.0297 0.0263 0.0281
20:01-21:00, Sat., 04 Dec. 0.0303 0.0262 0.0280
19:01-20:00, Sat., 04 Dec. 0.0301 0.0261 0.0283
18:01-19:00, Sat., 04 Dec. 0.0299 0.0266 0.0283
17:01-18:00, Sat., 04 Dec. 0.0299 0.0252 0.0277
16:01-17:00, Sat., 04 Dec. 0.0290 0.0256 0.0276
15:01-16:00, Sat., 04 Dec. 0.0298 0.0257 0.0278
14:01-15:00, Sat., 04 Dec. 0.0300 0.0260 0.0277
13:01-14:00, Sat., 04 Dec. 0.0303 0.0258 0.0277
12:01-13:00, Sat., 04 Dec. 0.0297 0.0260 0.0281
11:01-12:00, Sat., 04 Dec. 0.0312 0.0263 0.0283
10:01-11:00, Sat., 04 Dec. 0.0312 0.0270 0.0289
09:01-10:00, Sat., 04 Dec. 0.0312 0.0278 0.0294
08:01-09:00, Sat., 04 Dec. 0.0313 0.0275 0.0296
07:01-08:00, Sat., 04 Dec. 0.0316 0.0276 0.0294
06:01-07:00, Sat., 04 Dec. 0.0316 0.0269 0.0296
05:01-06:00, Sat., 04 Dec. 0.0315 0.0269 0.0291
04:01-05:00, Sat., 04 Dec. 0.0315 0.0271 0.0291
03:01-04:00, Sat., 04 Dec. 0.0307 0.0271 0.0293
02:01-03:00, Sat., 04 Dec. 0.0318 0.0278 0.0293
01:01-02:00, Sat., 04 Dec. 0.0306 0.0275 0.0291
00:01-01:00, Sat., 04 Dec. 0.0312 0.0262 0.0291
23:01-24:00, Fri., 03 Dec. 0.0310 0.0270 0.0289
22:01-23:00, Fri., 03 Dec. 0.0306 0.0273 0.0290
21:01-22:00, Fri., 03 Dec. 0.0310 0.0268 0.0287
20:01-21:00, Fri., 03 Dec. 0.0303 0.0267 0.0288
19:01-20:00, Fri., 03 Dec. 0.0296 0.0255 0.0281
18:01-19:00, Fri., 03 Dec. 0.0302 0.0260 0.0279
17:01-18:00, Fri., 03 Dec. 0.0293 0.0256 0.0275
16:01-17:00, Fri., 03 Dec. 0.0302 0.0244 0.0276
15:01-16:00, Fri., 03 Dec. 0.0295 0.0258 0.0274
14:01-15:00, Fri., 03 Dec. 0.0296 0.0260 0.0275
13:01-14:00, Fri., 03 Dec. 0.0298 0.0259 0.0275
12:01-13:00, Fri., 03 Dec. 0.0302 0.0250 0.0277
11:01-12:00, Fri., 03 Dec. 0.0307 0.0257 0.0281
10:01-11:00, Fri., 03 Dec. 0.0303 0.0266 0.0284
09:01-10:00, Fri., 03 Dec. 0.0307 0.0267 0.0288
08:01-09:00, Fri., 03 Dec. 0.0321 0.0276 0.0299
07:01-08:00, Fri., 03 Dec. 0.0321 0.0283 0.0302
06:01-07:00, Fri., 03 Dec. 0.0319 0.0278 0.0302
05:01-06:00, Fri., 03 Dec. 0.0323 0.0275 0.0294
04:01-05:00, Fri., 03 Dec. 0.0322 0.0268 0.0297
03:01-04:00, Fri., 03 Dec. 0.0310 0.0273 0.0294
02:01-03:00, Fri., 03 Dec. 0.0306 0.0274 0.0290
01:01-02:00, Fri., 03 Dec. 0.0303 0.0266 0.0285
00:01-01:00, Fri., 03 Dec. 0.0303 0.0265 0.0281
23:01-24:00, Thu., 02 Dec. 0.0302 0.0261 0.0280
22:01-23:00, Thu., 02 Dec. 0.0307 0.0263 0.0279
21:01-22:00, Thu., 02 Dec. 0.0301 0.0259 0.0277
20:01-21:00, Thu., 02 Dec. 0.0300 0.0263 0.0281
19:01-20:00, Thu., 02 Dec. 0.0296 0.0255 0.0277
18:01-19:00, Thu., 02 Dec. 0.0289 0.0256 0.0272
17:01-18:00, Thu., 02 Dec. 0.0289 0.0248 0.0270
16:01-17:00, Thu., 02 Dec. 0.0295 0.0252 0.0269
15:01-16:00, Thu., 02 Dec. 0.0295 0.0248 0.0273
14:01-15:00, Thu., 02 Dec. 0.0290 0.0253 0.0272
13:01-14:00, Thu., 02 Dec. 0.0294 0.0252 0.0273
12:01-13:00, Thu., 02 Dec. 0.0292 0.0256 0.0274
11:01-12:00, Thu., 02 Dec. 0.0304 0.0254 0.0276
10:01-11:00, Thu., 02 Dec. 0.0297 0.0262 0.0278
09:01-10:00, Thu., 02 Dec. 0.0300 0.0261 0.0280
08:01-09:00, Thu., 02 Dec. 0.0296 0.0263 0.0280
07:01-08:00, Thu., 02 Dec. 0.0296 0.0255 0.0278
06:01-07:00, Thu., 02 Dec. 0.0294 0.0254 0.0277
05:01-06:00, Thu., 02 Dec. 0.0298 0.0258 0.0276
04:01-05:00, Thu., 02 Dec. 0.0296 0.0252 0.0277
03:01-04:00, Thu., 02 Dec. 0.0298 0.0254 0.0275
02:01-03:00, Thu., 02 Dec. 0.0302 0.0261 0.0278
01:01-02:00, Thu., 02 Dec. 0.0294 0.0260 0.0277
00:01-01:00, Thu., 02 Dec. 0.0292 0.0256 0.0275
23:01-24:00, Wed., 01 Dec. 0.0294 0.0260 0.0276
22:01-23:00, Wed., 01 Dec. 0.0299 0.0259 0.0276
21:01-22:00, Wed., 01 Dec. 0.0289 0.0259 0.0272
20:01-21:00, Wed., 01 Dec. 0.0292 0.0255 0.0275
19:01-20:00, Wed., 01 Dec. 0.0292 0.0253 0.0270
18:01-19:00, Wed., 01 Dec. 0.0292 0.0251 0.0270
17:01-18:00, Wed., 01 Dec. 0.0289 0.0252 0.0266
16:01-17:00, Wed., 01 Dec. 0.0286 0.0248 0.0269
15:01-16:00, Wed., 01 Dec. 0.0288 0.0248 0.0269
14:01-15:00, Wed., 01 Dec. 0.0299 0.0251 0.0271
13:01-14:00, Wed., 01 Dec. 0.0290 0.0254 0.0273
12:01-13:00, Wed., 01 Dec. 0.0294 0.0255 0.0271
11:01-12:00, Wed., 01 Dec. 0.0298 0.0253 0.0270
10:01-11:00, Wed., 01 Dec. 0.0294 0.0251 0.0274
09:01-10:00, Wed., 01 Dec. 0.0299 0.0263 0.0278
08:01-09:00, Wed., 01 Dec. 0.0318 0.0263 0.0291
07:01-08:00, Wed., 01 Dec. 0.0358 0.0298 0.0332
06:01-07:00, Wed., 01 Dec. 0.0390 0.0329 0.0353
05:01-06:00, Wed., 01 Dec. 0.0415 0.0334 0.0368
04:01-05:00, Wed., 01 Dec. 0.0424 0.0351 0.0376
03:01-04:00, Wed., 01 Dec. 0.0442 0.0359 0.0395
02:01-03:00, Wed., 01 Dec. 0.0440 0.0324 0.0387
01:01-02:00, Wed., 01 Dec. 0.0369 0.0325 0.0346
00:01-01:00, Wed., 01 Dec. 0.0369 0.0312 0.0343
23:01-24:00, Tue., 30 Nov. 0.0364 0.0298 0.0336
22:01-23:00, Tue., 30 Nov. 0.0332 0.0277 0.0305
21:01-22:00, Tue., 30 Nov. 0.0296 0.0255 0.0279
20:01-21:00, Tue., 30 Nov. 0.0293 0.0259 0.0274
19:01-20:00, Tue., 30 Nov. 0.0300 0.0257 0.0273
18:01-19:00, Tue., 30 Nov. 0.0301 0.0254 0.0272
17:01-18:00, Tue., 30 Nov. 0.0292 0.0252 0.0272
16:01-17:00, Tue., 30 Nov. 0.0304 0.0259 0.0273
15:01-16:00, Tue., 30 Nov. 0.0302 0.0247 0.0274
14:01-15:00, Tue., 30 Nov. 0.0290 0.0247 0.0275
13:01-14:00, Tue., 30 Nov. 0.0299 0.0267 0.0285
12:01-13:00, Tue., 30 Nov. 0.0309 0.0269 0.0291
11:01-12:00, Tue., 30 Nov. 0.0315 0.0277 0.0296
10:01-11:00, Tue., 30 Nov. 0.0322 0.0282 0.0304
09:01-10:00, Tue., 30 Nov. 0.0331 0.0294 0.0311
08:01-09:00, Tue., 30 Nov. 0.0333 0.0293 0.0313
07:01-08:00, Tue., 30 Nov. 0.0335 0.0298 0.0315
06:01-07:00, Tue., 30 Nov. 0.0343 0.0299 0.0314
05:01-06:00, Tue., 30 Nov. 0.0335 0.0292 0.0314
04:01-05:00, Tue., 30 Nov. 0.0338 0.0292 0.0315
03:01-04:00, Tue., 30 Nov. 0.0334 0.0297 0.0313
02:01-03:00, Tue., 30 Nov. 0.0331 0.0295 0.0310
01:01-02:00, Tue., 30 Nov. 0.0327 0.0288 0.0308
00:01-01:00, Tue., 30 Nov. 0.0340 0.0279 0.0302
23:01-24:00, Mon., 29 Nov. 0.0316 0.0282 0.0298
22:01-23:00, Mon., 29 Nov. 0.0310 0.0275 0.0293
21:01-22:00, Mon., 29 Nov. 0.0314 0.0270 0.0291
20:01-21:00, Mon., 29 Nov. 0.0306 0.0272 0.0288
19:01-20:00, Mon., 29 Nov. 0.0303 0.0259 0.0286
18:01-19:00, Mon., 29 Nov. 0.0303 0.0268 0.0285
17:01-18:00, Mon., 29 Nov. 0.0302 0.0260 0.0280
16:01-17:00, Mon., 29 Nov. 0.0300 0.0262 0.0282
15:01-16:00, Mon., 29 Nov. 0.0306 0.0267 0.0280
14:01-15:00, Mon., 29 Nov. 0.0308 0.0262 0.0282
13:01-14:00, Mon., 29 Nov. 0.0302 0.0268 0.0284
12:01-13:00, Mon., 29 Nov. 0.0304 0.0269 0.0285
11:01-12:00, Mon., 29 Nov. 0.0312 0.0262 0.0288
10:01-11:00, Mon., 29 Nov. 0.0309 0.0275 0.0294
09:01-10:00, Mon., 29 Nov. 0.0319 0.0280 0.0296
08:01-09:00, Mon., 29 Nov. 0.0323 0.0277 0.0299
07:01-08:00, Mon., 29 Nov. 0.0326 0.0290 0.0306
06:01-07:00, Mon., 29 Nov. 0.0319 0.0287 0.0304
05:01-06:00, Mon., 29 Nov. 0.0328 0.0283 0.0305
04:01-05:00, Mon., 29 Nov. 0.0323 0.0282 0.0303
03:01-04:00, Mon., 29 Nov. 0.0319 0.0276 0.0301
02:01-03:00, Mon., 29 Nov. 0.0312 0.0276 0.0294
01:01-02:00, Mon., 29 Nov. 0.0320 0.0271 0.0291
00:01-01:00, Mon., 29 Nov. 0.0304 0.0261 0.0281