Measurement results by the hour (Chofu) 3 Jan., 2022 - 9 Jan., 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., 09 Jan. 0.0299 0.0259 0.0280
22:01-23:00, Sun., 09 Jan. 0.0301 0.0263 0.0280
21:01-22:00, Sun., 09 Jan. 0.0297 0.0268 0.0284
20:01-21:00, Sun., 09 Jan. 0.0305 0.0267 0.0283
19:01-20:00, Sun., 09 Jan. 0.0297 0.0266 0.0281
18:01-19:00, Sun., 09 Jan. 0.0297 0.0259 0.0276
17:01-18:00, Sun., 09 Jan. 0.0285 0.0256 0.0271
16:01-17:00, Sun., 09 Jan. 0.0286 0.0257 0.0270
15:01-16:00, Sun., 09 Jan. 0.0290 0.0250 0.0271
14:01-15:00, Sun., 09 Jan. 0.0300 0.0251 0.0273
13:01-14:00, Sun., 09 Jan. 0.0291 0.0253 0.0272
12:01-13:00, Sun., 09 Jan. 0.0297 0.0257 0.0277
11:01-12:00, Sun., 09 Jan. 0.0311 0.0259 0.0278
10:01-11:00, Sun., 09 Jan. 0.0310 0.0272 0.0295
09:01-10:00, Sun., 09 Jan. 0.0326 0.0280 0.0299
08:01-09:00, Sun., 09 Jan. 0.0316 0.0276 0.0293
07:01-08:00, Sun., 09 Jan. 0.0323 0.0280 0.0301
06:01-07:00, Sun., 09 Jan. 0.0314 0.0273 0.0294
05:01-06:00, Sun., 09 Jan. 0.0315 0.0269 0.0297
04:01-05:00, Sun., 09 Jan. 0.0315 0.0272 0.0294
03:01-04:00, Sun., 09 Jan. 0.0317 0.0280 0.0299
02:01-03:00, Sun., 09 Jan. 0.0315 0.0281 0.0298
01:01-02:00, Sun., 09 Jan. 0.0322 0.0265 0.0291
00:01-01:00, Sun., 09 Jan. 0.0312 0.0276 0.0289
23:01-24:00, Sat., 08 Jan. 0.0309 0.0260 0.0290
22:01-23:00, Sat., 08 Jan. 0.0314 0.0268 0.0288
21:01-22:00, Sat., 08 Jan. 0.0297 0.0259 0.0279
20:01-21:00, Sat., 08 Jan. 0.0295 0.0255 0.0275
19:01-20:00, Sat., 08 Jan. 0.0298 0.0255 0.0273
18:01-19:00, Sat., 08 Jan. 0.0289 0.0252 0.0271
17:01-18:00, Sat., 08 Jan. 0.0295 0.0253 0.0268
16:01-17:00, Sat., 08 Jan. 0.0290 0.0251 0.0270
15:01-16:00, Sat., 08 Jan. 0.0292 0.0247 0.0271
14:01-15:00, Sat., 08 Jan. 0.0293 0.0256 0.0272
13:01-14:00, Sat., 08 Jan. 0.0293 0.0253 0.0270
12:01-13:00, Sat., 08 Jan. 0.0289 0.0249 0.0271
11:01-12:00, Sat., 08 Jan. 0.0288 0.0252 0.0272
10:01-11:00, Sat., 08 Jan. 0.0305 0.0260 0.0276
09:01-10:00, Sat., 08 Jan. 0.0310 0.0264 0.0291
08:01-09:00, Sat., 08 Jan. 0.0318 0.0271 0.0297
07:01-08:00, Sat., 08 Jan. 0.0316 0.0280 0.0297
06:01-07:00, Sat., 08 Jan. 0.0305 0.0276 0.0291
05:01-06:00, Sat., 08 Jan. 0.0310 0.0257 0.0290
04:01-05:00, Sat., 08 Jan. 0.0310 0.0249 0.0279
03:01-04:00, Sat., 08 Jan. 0.0290 0.0258 0.0273
02:01-03:00, Sat., 08 Jan. 0.0296 0.0255 0.0273
01:01-02:00, Sat., 08 Jan. 0.0295 0.0257 0.0274
00:01-01:00, Sat., 08 Jan. 0.0296 0.0255 0.0272
23:01-24:00, Fri., 07 Jan. 0.0291 0.0248 0.0270
22:01-23:00, Fri., 07 Jan. 0.0282 0.0251 0.0270
21:01-22:00, Fri., 07 Jan. 0.0286 0.0247 0.0268
20:01-21:00, Fri., 07 Jan. 0.0286 0.0250 0.0265
19:01-20:00, Fri., 07 Jan. 0.0292 0.0254 0.0268
18:01-19:00, Fri., 07 Jan. 0.0288 0.0253 0.0269
17:01-18:00, Fri., 07 Jan. 0.0282 0.0244 0.0267
16:01-17:00, Fri., 07 Jan. 0.0291 0.0247 0.0265
15:01-16:00, Fri., 07 Jan. 0.0287 0.0251 0.0268
14:01-15:00, Fri., 07 Jan. 0.0285 0.0249 0.0269
13:01-14:00, Fri., 07 Jan. 0.0283 0.0251 0.0267
12:01-13:00, Fri., 07 Jan. 0.0282 0.0251 0.0266
11:01-12:00, Fri., 07 Jan. 0.0284 0.0249 0.0264
10:01-11:00, Fri., 07 Jan. 0.0283 0.0240 0.0264
09:01-10:00, Fri., 07 Jan. 0.0282 0.0246 0.0264
08:01-09:00, Fri., 07 Jan. 0.0294 0.0251 0.0268
07:01-08:00, Fri., 07 Jan. 0.0297 0.0252 0.0272
06:01-07:00, Fri., 07 Jan. 0.0305 0.0264 0.0285
05:01-06:00, Fri., 07 Jan. 0.0318 0.0269 0.0291
04:01-05:00, Fri., 07 Jan. 0.0310 0.0268 0.0289
03:01-04:00, Fri., 07 Jan. 0.0304 0.0261 0.0281
02:01-03:00, Fri., 07 Jan. 0.0296 0.0258 0.0275
01:01-02:00, Fri., 07 Jan. 0.0291 0.0251 0.0271
00:01-01:00, Fri., 07 Jan. 0.0290 0.0257 0.0269
23:01-24:00, Thu., 06 Jan. 0.0283 0.0256 0.0271
22:01-23:00, Thu., 06 Jan. 0.0285 0.0242 0.0266
21:01-22:00, Thu., 06 Jan. 0.0288 0.0251 0.0268
20:01-21:00, Thu., 06 Jan. 0.0299 0.0244 0.0271
19:01-20:00, Thu., 06 Jan. 0.0309 0.0261 0.0283
18:01-19:00, Thu., 06 Jan. 0.0367 0.0286 0.0324
17:01-18:00, Thu., 06 Jan. 0.0407 0.0350 0.0375
16:01-17:00, Thu., 06 Jan. 0.0376 0.0333 0.0356
15:01-16:00, Thu., 06 Jan. 0.0388 0.0336 0.0360
14:01-15:00, Thu., 06 Jan. 0.0396 0.0334 0.0357
13:01-14:00, Thu., 06 Jan. 0.0364 0.0310 0.0341
12:01-13:00, Thu., 06 Jan. 0.0341 0.0281 0.0302
11:01-12:00, Thu., 06 Jan. 0.0298 0.0265 0.0280
10:01-11:00, Thu., 06 Jan. 0.0313 0.0265 0.0280
09:01-10:00, Thu., 06 Jan. 0.0297 0.0263 0.0279
08:01-09:00, Thu., 06 Jan. 0.0305 0.0265 0.0283
07:01-08:00, Thu., 06 Jan. 0.0294 0.0262 0.0278
06:01-07:00, Thu., 06 Jan. 0.0300 0.0257 0.0277
05:01-06:00, Thu., 06 Jan. 0.0304 0.0260 0.0278
04:01-05:00, Thu., 06 Jan. 0.0294 0.0251 0.0275
03:01-04:00, Thu., 06 Jan. 0.0296 0.0258 0.0277
02:01-03:00, Thu., 06 Jan. 0.0293 0.0262 0.0276
01:01-02:00, Thu., 06 Jan. 0.0299 0.0236 0.0273
00:01-01:00, Thu., 06 Jan. 0.0291 0.0256 0.0274
23:01-24:00, Wed., 05 Jan. 0.0297 0.0255 0.0274
22:01-23:00, Wed., 05 Jan. 0.0289 0.0256 0.0274
21:01-22:00, Wed., 05 Jan. 0.0287 0.0259 0.0273
20:01-21:00, Wed., 05 Jan. 0.0290 0.0243 0.0271
19:01-20:00, Wed., 05 Jan. 0.0293 0.0255 0.0274
18:01-19:00, Wed., 05 Jan. 0.0296 0.0255 0.0274
17:01-18:00, Wed., 05 Jan. 0.0294 0.0256 0.0273
16:01-17:00, Wed., 05 Jan. 0.0288 0.0253 0.0273
15:01-16:00, Wed., 05 Jan. 0.0296 0.0261 0.0276
14:01-15:00, Wed., 05 Jan. 0.0294 0.0246 0.0274
13:01-14:00, Wed., 05 Jan. 0.0302 0.0252 0.0274
12:01-13:00, Wed., 05 Jan. 0.0299 0.0248 0.0276
11:01-12:00, Wed., 05 Jan. 0.0297 0.0252 0.0274
10:01-11:00, Wed., 05 Jan. 0.0295 0.0256 0.0278
09:01-10:00, Wed., 05 Jan. 0.0299 0.0258 0.0276
08:01-09:00, Wed., 05 Jan. 0.0295 0.0251 0.0273
07:01-08:00, Wed., 05 Jan. 0.0299 0.0254 0.0274
06:01-07:00, Wed., 05 Jan. 0.0292 0.0256 0.0275
05:01-06:00, Wed., 05 Jan. 0.0292 0.0258 0.0278
04:01-05:00, Wed., 05 Jan. 0.0295 0.0253 0.0278
03:01-04:00, Wed., 05 Jan. 0.0299 0.0258 0.0276
02:01-03:00, Wed., 05 Jan. 0.0301 0.0262 0.0281
01:01-02:00, Wed., 05 Jan. 0.0308 0.0263 0.0280
00:01-01:00, Wed., 05 Jan. 0.0303 0.0265 0.0280
23:01-24:00, Tue., 04 Jan. 0.0298 0.0254 0.0279
22:01-23:00, Tue., 04 Jan. 0.0298 0.0254 0.0281
21:01-22:00, Tue., 04 Jan. 0.0301 0.0265 0.0281
20:01-21:00, Tue., 04 Jan. 0.0303 0.0263 0.0282
19:01-20:00, Tue., 04 Jan. 0.0303 0.0261 0.0278
18:01-19:00, Tue., 04 Jan. 0.0297 0.0267 0.0282
17:01-18:00, Tue., 04 Jan. 0.0301 0.0254 0.0280
16:01-17:00, Tue., 04 Jan. 0.0303 0.0260 0.0283
15:01-16:00, Tue., 04 Jan. 0.0298 0.0268 0.0283
14:01-15:00, Tue., 04 Jan. 0.0301 0.0269 0.0282
13:01-14:00, Tue., 04 Jan. 0.0299 0.0263 0.0280
12:01-13:00, Tue., 04 Jan. 0.0302 0.0264 0.0283
11:01-12:00, Tue., 04 Jan. 0.0306 0.0267 0.0283
10:01-11:00, Tue., 04 Jan. 0.0303 0.0266 0.0285
09:01-10:00, Tue., 04 Jan. 0.0313 0.0274 0.0293
08:01-09:00, Tue., 04 Jan. 0.0313 0.0276 0.0297
07:01-08:00, Tue., 04 Jan. 0.0321 0.0283 0.0302
06:01-07:00, Tue., 04 Jan. 0.0319 0.0282 0.0303
05:01-06:00, Tue., 04 Jan. 0.0325 0.0281 0.0302
04:01-05:00, Tue., 04 Jan. 0.0327 0.0287 0.0304
03:01-04:00, Tue., 04 Jan. 0.0328 0.0283 0.0303
02:01-03:00, Tue., 04 Jan. 0.0319 0.0283 0.0301
01:01-02:00, Tue., 04 Jan. 0.0317 0.0277 0.0300
00:01-01:00, Tue., 04 Jan. 0.0321 0.0274 0.0298
23:01-24:00, Mon., 03 Jan. 0.0313 0.0278 0.0296
22:01-23:00, Mon., 03 Jan. 0.0304 0.0272 0.0286
21:01-22:00, Mon., 03 Jan. 0.0307 0.0268 0.0286
20:01-21:00, Mon., 03 Jan. 0.0306 0.0263 0.0283
19:01-20:00, Mon., 03 Jan. 0.0303 0.0260 0.0279
18:01-19:00, Mon., 03 Jan. 0.0302 0.0257 0.0278
17:01-18:00, Mon., 03 Jan. 0.0292 0.0255 0.0276
16:01-17:00, Mon., 03 Jan. 0.0299 0.0252 0.0274
15:01-16:00, Mon., 03 Jan. 0.0299 0.0260 0.0275
14:01-15:00, Mon., 03 Jan. 0.0289 0.0264 0.0277
13:01-14:00, Mon., 03 Jan. 0.0304 0.0260 0.0281
12:01-13:00, Mon., 03 Jan. 0.0298 0.0267 0.0279
11:01-12:00, Mon., 03 Jan. 0.0305 0.0264 0.0282
10:01-11:00, Mon., 03 Jan. 0.0298 0.0268 0.0281
09:01-10:00, Mon., 03 Jan. 0.0301 0.0263 0.0281
08:01-09:00, Mon., 03 Jan. 0.0298 0.0263 0.0280
07:01-08:00, Mon., 03 Jan. 0.0297 0.0261 0.0279
06:01-07:00, Mon., 03 Jan. 0.0301 0.0258 0.0280
05:01-06:00, Mon., 03 Jan. 0.0299 0.0261 0.0279
04:01-05:00, Mon., 03 Jan. 0.0303 0.0268 0.0285
03:01-04:00, Mon., 03 Jan. 0.0301 0.0263 0.0285
02:01-03:00, Mon., 03 Jan. 0.0315 0.0276 0.0289
01:01-02:00, Mon., 03 Jan. 0.0318 0.0272 0.0293
00:01-01:00, Mon., 03 Jan. 0.0312 0.0274 0.0292