Measurement results by the hour (Chofu) 10 Jan., 2022 - 16 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., 16 Jan. 0.0306 0.0266 0.0288
22:01-23:00, Sun., 16 Jan. 0.0310 0.0269 0.0286
21:01-22:00, Sun., 16 Jan. 0.0298 0.0261 0.0279
20:01-21:00, Sun., 16 Jan. 0.0311 0.0255 0.0279
19:01-20:00, Sun., 16 Jan. 0.0296 0.0257 0.0276
18:01-19:00, Sun., 16 Jan. 0.0297 0.0257 0.0275
17:01-18:00, Sun., 16 Jan. 0.0288 0.0257 0.0273
16:01-17:00, Sun., 16 Jan. 0.0286 0.0251 0.0269
15:01-16:00, Sun., 16 Jan. 0.0282 0.0248 0.0268
14:01-15:00, Sun., 16 Jan. 0.0290 0.0257 0.0270
13:01-14:00, Sun., 16 Jan. 0.0300 0.0258 0.0273
12:01-13:00, Sun., 16 Jan. 0.0296 0.0258 0.0278
11:01-12:00, Sun., 16 Jan. 0.0305 0.0258 0.0279
10:01-11:00, Sun., 16 Jan. 0.0308 0.0268 0.0285
09:01-10:00, Sun., 16 Jan. 0.0303 0.0272 0.0290
08:01-09:00, Sun., 16 Jan. 0.0311 0.0271 0.0292
07:01-08:00, Sun., 16 Jan. 0.0321 0.0279 0.0302
06:01-07:00, Sun., 16 Jan. 0.0314 0.0277 0.0295
05:01-06:00, Sun., 16 Jan. 0.0317 0.0276 0.0294
04:01-05:00, Sun., 16 Jan. 0.0313 0.0269 0.0292
03:01-04:00, Sun., 16 Jan. 0.0308 0.0274 0.0293
02:01-03:00, Sun., 16 Jan. 0.0305 0.0260 0.0283
01:01-02:00, Sun., 16 Jan. 0.0304 0.0250 0.0273
00:01-01:00, Sun., 16 Jan. 0.0288 0.0252 0.0271
23:01-24:00, Sat., 15 Jan. 0.0282 0.0246 0.0269
22:01-23:00, Sat., 15 Jan. 0.0288 0.0252 0.0269
21:01-22:00, Sat., 15 Jan. 0.0283 0.0246 0.0269
20:01-21:00, Sat., 15 Jan. 0.0291 0.0251 0.0268
19:01-20:00, Sat., 15 Jan. 0.0287 0.0241 0.0267
18:01-19:00, Sat., 15 Jan. 0.0289 0.0248 0.0266
17:01-18:00, Sat., 15 Jan. 0.0283 0.0243 0.0262
16:01-17:00, Sat., 15 Jan. 0.0295 0.0245 0.0265
15:01-16:00, Sat., 15 Jan. 0.0294 0.0245 0.0266
14:01-15:00, Sat., 15 Jan. 0.0283 0.0252 0.0265
13:01-14:00, Sat., 15 Jan. 0.0295 0.0241 0.0267
12:01-13:00, Sat., 15 Jan. 0.0285 0.0254 0.0268
11:01-12:00, Sat., 15 Jan. 0.0290 0.0250 0.0269
10:01-11:00, Sat., 15 Jan. 0.0291 0.0260 0.0276
09:01-10:00, Sat., 15 Jan. 0.0295 0.0264 0.0282
08:01-09:00, Sat., 15 Jan. 0.0308 0.0266 0.0288
07:01-08:00, Sat., 15 Jan. 0.0316 0.0273 0.0290
06:01-07:00, Sat., 15 Jan. 0.0314 0.0266 0.0290
05:01-06:00, Sat., 15 Jan. 0.0310 0.0267 0.0289
04:01-05:00, Sat., 15 Jan. 0.0307 0.0273 0.0289
03:01-04:00, Sat., 15 Jan. 0.0305 0.0261 0.0282
02:01-03:00, Sat., 15 Jan. 0.0295 0.0266 0.0279
01:01-02:00, Sat., 15 Jan. 0.0298 0.0258 0.0276
00:01-01:00, Sat., 15 Jan. 0.0293 0.0254 0.0275
23:01-24:00, Fri., 14 Jan. 0.0301 0.0253 0.0272
22:01-23:00, Fri., 14 Jan. 0.0298 0.0250 0.0270
21:01-22:00, Fri., 14 Jan. 0.0288 0.0250 0.0271
20:01-21:00, Fri., 14 Jan. 0.0294 0.0247 0.0273
19:01-20:00, Fri., 14 Jan. 0.0291 0.0254 0.0273
18:01-19:00, Fri., 14 Jan. 0.0297 0.0261 0.0275
17:01-18:00, Fri., 14 Jan. 0.0299 0.0257 0.0276
16:01-17:00, Fri., 14 Jan. 0.0293 0.0254 0.0275
15:01-16:00, Fri., 14 Jan. 0.0296 0.0257 0.0275
14:01-15:00, Fri., 14 Jan. 0.0299 0.0258 0.0274
13:01-14:00, Fri., 14 Jan. 0.0293 0.0259 0.0274
12:01-13:00, Fri., 14 Jan. 0.0302 0.0251 0.0281
11:01-12:00, Fri., 14 Jan. 0.0305 0.0264 0.0284
10:01-11:00, Fri., 14 Jan. 0.0305 0.0266 0.0287
09:01-10:00, Fri., 14 Jan. 0.0305 0.0273 0.0287
08:01-09:00, Fri., 14 Jan. 0.0302 0.0268 0.0283
07:01-08:00, Fri., 14 Jan. 0.0299 0.0260 0.0281
06:01-07:00, Fri., 14 Jan. 0.0290 0.0257 0.0278
05:01-06:00, Fri., 14 Jan. 0.0296 0.0254 0.0278
04:01-05:00, Fri., 14 Jan. 0.0298 0.0265 0.0279
03:01-04:00, Fri., 14 Jan. 0.0305 0.0256 0.0280
02:01-03:00, Fri., 14 Jan. 0.0295 0.0253 0.0276
01:01-02:00, Fri., 14 Jan. 0.0292 0.0258 0.0275
00:01-01:00, Fri., 14 Jan. 0.0300 0.0263 0.0280
23:01-24:00, Thu., 13 Jan. 0.0293 0.0257 0.0278
22:01-23:00, Thu., 13 Jan. 0.0296 0.0265 0.0276
21:01-22:00, Thu., 13 Jan. 0.0289 0.0260 0.0276
20:01-21:00, Thu., 13 Jan. 0.0297 0.0261 0.0278
19:01-20:00, Thu., 13 Jan. 0.0294 0.0259 0.0277
18:01-19:00, Thu., 13 Jan. 0.0302 0.0253 0.0273
17:01-18:00, Thu., 13 Jan. 0.0300 0.0255 0.0275
16:01-17:00, Thu., 13 Jan. 0.0297 0.0255 0.0278
15:01-16:00, Thu., 13 Jan. 0.0298 0.0259 0.0280
14:01-15:00, Thu., 13 Jan. 0.0294 0.0257 0.0278
13:01-14:00, Thu., 13 Jan. 0.0297 0.0263 0.0279
12:01-13:00, Thu., 13 Jan. 0.0305 0.0262 0.0280
11:01-12:00, Thu., 13 Jan. 0.0298 0.0257 0.0279
10:01-11:00, Thu., 13 Jan. 0.0312 0.0270 0.0285
09:01-10:00, Thu., 13 Jan. 0.0310 0.0272 0.0290
08:01-09:00, Thu., 13 Jan. 0.0322 0.0281 0.0299
07:01-08:00, Thu., 13 Jan. 0.0322 0.0281 0.0300
06:01-07:00, Thu., 13 Jan. 0.0305 0.0268 0.0286
05:01-06:00, Thu., 13 Jan. 0.0314 0.0262 0.0286
04:01-05:00, Thu., 13 Jan. 0.0311 0.0274 0.0295
03:01-04:00, Thu., 13 Jan. 0.0315 0.0277 0.0298
02:01-03:00, Thu., 13 Jan. 0.0323 0.0274 0.0295
01:01-02:00, Thu., 13 Jan. 0.0313 0.0273 0.0293
00:01-01:00, Thu., 13 Jan. 0.0314 0.0274 0.0291
23:01-24:00, Wed., 12 Jan. 0.0302 0.0264 0.0285
22:01-23:00, Wed., 12 Jan. 0.0309 0.0254 0.0282
21:01-22:00, Wed., 12 Jan. 0.0298 0.0259 0.0277
20:01-21:00, Wed., 12 Jan. 0.0298 0.0258 0.0277
19:01-20:00, Wed., 12 Jan. 0.0298 0.0256 0.0275
18:01-19:00, Wed., 12 Jan. 0.0294 0.0254 0.0275
17:01-18:00, Wed., 12 Jan. 0.0300 0.0253 0.0277
16:01-17:00, Wed., 12 Jan. 0.0299 0.0256 0.0276
15:01-16:00, Wed., 12 Jan. 0.0293 0.0257 0.0277
14:01-15:00, Wed., 12 Jan. 0.0298 0.0262 0.0278
13:01-14:00, Wed., 12 Jan. 0.0300 0.0261 0.0276
12:01-13:00, Wed., 12 Jan. 0.0297 0.0252 0.0278
11:01-12:00, Wed., 12 Jan. 0.0297 0.0249 0.0277
10:01-11:00, Wed., 12 Jan. 0.0295 0.0257 0.0276
09:01-10:00, Wed., 12 Jan. 0.0303 0.0255 0.0281
08:01-09:00, Wed., 12 Jan. 0.0316 0.0262 0.0282
07:01-08:00, Wed., 12 Jan. 0.0310 0.0263 0.0281
06:01-07:00, Wed., 12 Jan. 0.0299 0.0263 0.0282
05:01-06:00, Wed., 12 Jan. 0.0297 0.0258 0.0278
04:01-05:00, Wed., 12 Jan. 0.0295 0.0260 0.0277
03:01-04:00, Wed., 12 Jan. 0.0294 0.0262 0.0276
02:01-03:00, Wed., 12 Jan. 0.0312 0.0262 0.0278
01:01-02:00, Wed., 12 Jan. 0.0302 0.0260 0.0281
00:01-01:00, Wed., 12 Jan. 0.0304 0.0261 0.0280
23:01-24:00, Tue., 11 Jan. 0.0302 0.0264 0.0281
22:01-23:00, Tue., 11 Jan. 0.0302 0.0262 0.0280
21:01-22:00, Tue., 11 Jan. 0.0312 0.0254 0.0276
20:01-21:00, Tue., 11 Jan. 0.0301 0.0254 0.0278
19:01-20:00, Tue., 11 Jan. 0.0326 0.0270 0.0294
18:01-19:00, Tue., 11 Jan. 0.0416 0.0309 0.0348
17:01-18:00, Tue., 11 Jan. 0.0433 0.0317 0.0379
16:01-17:00, Tue., 11 Jan. 0.0369 0.0314 0.0338
15:01-16:00, Tue., 11 Jan. 0.0471 0.0326 0.0389
14:01-15:00, Tue., 11 Jan. 0.0531 0.0441 0.0486
13:01-14:00, Tue., 11 Jan. 0.0493 0.0362 0.0421
12:01-13:00, Tue., 11 Jan. 0.0377 0.0290 0.0335
11:01-12:00, Tue., 11 Jan. 0.0305 0.0261 0.0278
10:01-11:00, Tue., 11 Jan. 0.0324 0.0267 0.0293
09:01-10:00, Tue., 11 Jan. 0.0395 0.0299 0.0341
08:01-09:00, Tue., 11 Jan. 0.0434 0.0363 0.0400
07:01-08:00, Tue., 11 Jan. 0.0442 0.0363 0.0406
06:01-07:00, Tue., 11 Jan. 0.0392 0.0326 0.0359
05:01-06:00, Tue., 11 Jan. 0.0342 0.0262 0.0308
04:01-05:00, Tue., 11 Jan. 0.0300 0.0256 0.0279
03:01-04:00, Tue., 11 Jan. 0.0300 0.0262 0.0280
02:01-03:00, Tue., 11 Jan. 0.0300 0.0263 0.0281
01:01-02:00, Tue., 11 Jan. 0.0299 0.0256 0.0279
00:01-01:00, Tue., 11 Jan. 0.0301 0.0258 0.0278
23:01-24:00, Mon., 10 Jan. 0.0292 0.0253 0.0275
22:01-23:00, Mon., 10 Jan. 0.0299 0.0257 0.0273
21:01-22:00, Mon., 10 Jan. 0.0291 0.0253 0.0276
20:01-21:00, Mon., 10 Jan. 0.0299 0.0256 0.0276
19:01-20:00, Mon., 10 Jan. 0.0298 0.0253 0.0274
18:01-19:00, Mon., 10 Jan. 0.0288 0.0251 0.0274
17:01-18:00, Mon., 10 Jan. 0.0292 0.0248 0.0274
16:01-17:00, Mon., 10 Jan. 0.0299 0.0252 0.0276
15:01-16:00, Mon., 10 Jan. 0.0304 0.0259 0.0279
14:01-15:00, Mon., 10 Jan. 0.0302 0.0257 0.0278
13:01-14:00, Mon., 10 Jan. 0.0302 0.0264 0.0280
12:01-13:00, Mon., 10 Jan. 0.0298 0.0260 0.0277
11:01-12:00, Mon., 10 Jan. 0.0316 0.0260 0.0282
10:01-11:00, Mon., 10 Jan. 0.0300 0.0267 0.0283
09:01-10:00, Mon., 10 Jan. 0.0303 0.0266 0.0284
08:01-09:00, Mon., 10 Jan. 0.0307 0.0266 0.0285
07:01-08:00, Mon., 10 Jan. 0.0307 0.0266 0.0284
06:01-07:00, Mon., 10 Jan. 0.0306 0.0261 0.0281
05:01-06:00, Mon., 10 Jan. 0.0303 0.0262 0.0280
04:01-05:00, Mon., 10 Jan. 0.0309 0.0256 0.0285
03:01-04:00, Mon., 10 Jan. 0.0299 0.0261 0.0284
02:01-03:00, Mon., 10 Jan. 0.0298 0.0260 0.0279
01:01-02:00, Mon., 10 Jan. 0.0310 0.0261 0.0280
00:01-01:00, Mon., 10 Jan. 0.0302 0.0263 0.0280