Measurement results by the hour (Chofu) 16 Sep., 2019 - 22 Sep., 2019

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., 22 Sep. 0.0356 0.0311 0.0334
22:01-23:00, Sun., 22 Sep. 0.0367 0.0314 0.0340
21:01-22:00, Sun., 22 Sep. 0.0370 0.0328 0.0353
20:01-21:00, Sun., 22 Sep. 0.0373 0.0304 0.0352
19:01-20:00, Sun., 22 Sep. 0.0361 0.0313 0.0335
18:01-19:00, Sun., 22 Sep. 0.0344 0.0278 0.0317
17:01-18:00, Sun., 22 Sep. 0.0316 0.0263 0.0281
16:01-17:00, Sun., 22 Sep. 0.0297 0.0262 0.0281
15:01-16:00, Sun., 22 Sep. 0.0295 0.0260 0.0277
14:01-15:00, Sun., 22 Sep. 0.0295 0.0256 0.0277
13:01-14:00, Sun., 22 Sep. 0.0292 0.0261 0.0277
12:01-13:00, Sun., 22 Sep. 0.0294 0.0266 0.0280
11:01-12:00, Sun., 22 Sep. 0.0294 0.0261 0.0279
10:01-11:00, Sun., 22 Sep. 0.0297 0.0268 0.0280
09:01-10:00, Sun., 22 Sep. 0.0299 0.0259 0.0279
08:01-09:00, Sun., 22 Sep. 0.0307 0.0269 0.0284
07:01-08:00, Sun., 22 Sep. 0.0303 0.0270 0.0287
06:01-07:00, Sun., 22 Sep. 0.0308 0.0270 0.0291
05:01-06:00, Sun., 22 Sep. 0.0306 0.0276 0.0289
04:01-05:00, Sun., 22 Sep. 0.0311 0.0275 0.0289
03:01-04:00, Sun., 22 Sep. 0.0311 0.0266 0.0288
02:01-03:00, Sun., 22 Sep. 0.0302 0.0266 0.0281
01:01-02:00, Sun., 22 Sep. 0.0294 0.0245 0.0276
00:01-01:00, Sun., 22 Sep. 0.0304 0.0255 0.0277
23:01-24:00, Sat., 21 Sep. 0.0300 0.0259 0.0276
22:01-23:00, Sat., 21 Sep. 0.0294 0.0255 0.0276
21:01-22:00, Sat., 21 Sep. 0.0300 0.0261 0.0276
20:01-21:00, Sat., 21 Sep. 0.0301 0.0253 0.0276
19:01-20:00, Sat., 21 Sep. 0.0296 0.0255 0.0273
18:01-19:00, Sat., 21 Sep. 0.0290 0.0251 0.0274
17:01-18:00, Sat., 21 Sep. 0.0294 0.0259 0.0275
16:01-17:00, Sat., 21 Sep. 0.0303 0.0257 0.0275
15:01-16:00, Sat., 21 Sep. 0.0292 0.0244 0.0276
14:01-15:00, Sat., 21 Sep. 0.0301 0.0262 0.0278
13:01-14:00, Sat., 21 Sep. 0.0296 0.0263 0.0279
12:01-13:00, Sat., 21 Sep. 0.0303 0.0257 0.0277
11:01-12:00, Sat., 21 Sep. 0.0306 0.0270 0.0283
10:01-11:00, Sat., 21 Sep. 0.0307 0.0259 0.0284
09:01-10:00, Sat., 21 Sep. 0.0300 0.0260 0.0286
08:01-09:00, Sat., 21 Sep. 0.0305 0.0268 0.0284
07:01-08:00, Sat., 21 Sep. 0.0312 0.0272 0.0291
06:01-07:00, Sat., 21 Sep. 0.0301 0.0258 0.0282
05:01-06:00, Sat., 21 Sep. 0.0299 0.0256 0.0277
04:01-05:00, Sat., 21 Sep. 0.0297 0.0255 0.0280
03:01-04:00, Sat., 21 Sep. 0.0306 0.0274 0.0287
02:01-03:00, Sat., 21 Sep. 0.0302 0.0264 0.0282
01:01-02:00, Sat., 21 Sep. 0.0302 0.0261 0.0280
00:01-01:00, Sat., 21 Sep. 0.0305 0.0256 0.0279
23:01-24:00, Fri., 20 Sep. 0.0301 0.0255 0.0280
22:01-23:00, Fri., 20 Sep. 0.0293 0.0252 0.0273
21:01-22:00, Fri., 20 Sep. 0.0292 0.0256 0.0274
20:01-21:00, Fri., 20 Sep. 0.0294 0.0247 0.0273
19:01-20:00, Fri., 20 Sep. 0.0298 0.0249 0.0271
18:01-19:00, Fri., 20 Sep. 0.0294 0.0256 0.0272
17:01-18:00, Fri., 20 Sep. 0.0289 0.0256 0.0273
16:01-17:00, Fri., 20 Sep. 0.0288 0.0252 0.0272
15:01-16:00, Fri., 20 Sep. 0.0295 0.0260 0.0275
14:01-15:00, Fri., 20 Sep. 0.0302 0.0262 0.0277
13:01-14:00, Fri., 20 Sep. 0.0293 0.0257 0.0273
12:01-13:00, Fri., 20 Sep. 0.0292 0.0254 0.0271
11:01-12:00, Fri., 20 Sep. 0.0292 0.0253 0.0274
10:01-11:00, Fri., 20 Sep. 0.0292 0.0258 0.0273
09:01-10:00, Fri., 20 Sep. 0.0298 0.0257 0.0272
08:01-09:00, Fri., 20 Sep. 0.0302 0.0256 0.0275
07:01-08:00, Fri., 20 Sep. 0.0296 0.0254 0.0276
06:01-07:00, Fri., 20 Sep. 0.0290 0.0260 0.0275
05:01-06:00, Fri., 20 Sep. 0.0294 0.0260 0.0274
04:01-05:00, Fri., 20 Sep. 0.0298 0.0256 0.0275
03:01-04:00, Fri., 20 Sep. 0.0293 0.0257 0.0274
02:01-03:00, Fri., 20 Sep. 0.0287 0.0259 0.0272
01:01-02:00, Fri., 20 Sep. 0.0292 0.0245 0.0272
00:01-01:00, Fri., 20 Sep. 0.0298 0.0258 0.0273
23:01-24:00, Thu., 19 Sep. 0.0291 0.0251 0.0274
22:01-23:00, Thu., 19 Sep. 0.0296 0.0255 0.0271
21:01-22:00, Thu., 19 Sep. 0.0294 0.0256 0.0273
20:01-21:00, Thu., 19 Sep. 0.0290 0.0255 0.0271
19:01-20:00, Thu., 19 Sep. 0.0294 0.0258 0.0272
18:01-19:00, Thu., 19 Sep. 0.0287 0.0250 0.0272
17:01-18:00, Thu., 19 Sep. 0.0299 0.0257 0.0274
16:01-17:00, Thu., 19 Sep. 0.0293 0.0259 0.0275
15:01-16:00, Thu., 19 Sep. 0.0292 0.0255 0.0275
14:01-15:00, Thu., 19 Sep. 0.0288 0.0258 0.0276
13:01-14:00, Thu., 19 Sep. 0.0296 0.0259 0.0273
12:01-13:00, Thu., 19 Sep. 0.0291 0.0256 0.0273
11:01-12:00, Thu., 19 Sep. 0.0292 0.0251 0.0272
10:01-11:00, Thu., 19 Sep. 0.0287 0.0262 0.0275
09:01-10:00, Thu., 19 Sep. 0.0299 0.0259 0.0277
08:01-09:00, Thu., 19 Sep. 0.0299 0.0264 0.0277
07:01-08:00, Thu., 19 Sep. 0.0293 0.0255 0.0275
06:01-07:00, Thu., 19 Sep. 0.0294 0.0253 0.0271
05:01-06:00, Thu., 19 Sep. 0.0291 0.0251 0.0273
04:01-05:00, Thu., 19 Sep. 0.0292 0.0258 0.0272
03:01-04:00, Thu., 19 Sep. 0.0296 0.0255 0.0272
02:01-03:00, Thu., 19 Sep. 0.0293 0.0246 0.0272
01:01-02:00, Thu., 19 Sep. 0.0286 0.0242 0.0270
00:01-01:00, Thu., 19 Sep. 0.0282 0.0252 0.0268
23:01-24:00, Wed., 18 Sep. 0.0292 0.0254 0.0271
22:01-23:00, Wed., 18 Sep. 0.0299 0.0254 0.0275
21:01-22:00, Wed., 18 Sep. 0.0323 0.0263 0.0293
20:01-21:00, Wed., 18 Sep. 0.0395 0.0295 0.0343
19:01-20:00, Wed., 18 Sep. 0.0411 0.0291 0.0343
18:01-19:00, Wed., 18 Sep. 0.0321 0.0274 0.0298
17:01-18:00, Wed., 18 Sep. 0.0323 0.0271 0.0298
16:01-17:00, Wed., 18 Sep. 0.0300 0.0269 0.0283
15:01-16:00, Wed., 18 Sep. 0.0302 0.0264 0.0284
14:01-15:00, Wed., 18 Sep. 0.0314 0.0266 0.0289
13:01-14:00, Wed., 18 Sep. 0.0322 0.0292 0.0305
12:01-13:00, Wed., 18 Sep. 0.0354 0.0287 0.0321
11:01-12:00, Wed., 18 Sep. 0.0364 0.0283 0.0330
10:01-11:00, Wed., 18 Sep. 0.0310 0.0255 0.0282
09:01-10:00, Wed., 18 Sep. 0.0294 0.0254 0.0276
08:01-09:00, Wed., 18 Sep. 0.0291 0.0256 0.0274
07:01-08:00, Wed., 18 Sep. 0.0289 0.0253 0.0272
06:01-07:00, Wed., 18 Sep. 0.0294 0.0251 0.0271
05:01-06:00, Wed., 18 Sep. 0.0304 0.0252 0.0273
04:01-05:00, Wed., 18 Sep. 0.0299 0.0248 0.0271
03:01-04:00, Wed., 18 Sep. 0.0293 0.0254 0.0272
02:01-03:00, Wed., 18 Sep. 0.0284 0.0245 0.0269
01:01-02:00, Wed., 18 Sep. 0.0293 0.0246 0.0271
00:01-01:00, Wed., 18 Sep. 0.0292 0.0253 0.0270
23:01-24:00, Tue., 17 Sep. 0.0287 0.0249 0.0269
22:01-23:00, Tue., 17 Sep. 0.0291 0.0255 0.0272
21:01-22:00, Tue., 17 Sep. 0.0286 0.0248 0.0268
20:01-21:00, Tue., 17 Sep. 0.0287 0.0256 0.0271
19:01-20:00, Tue., 17 Sep. 0.0288 0.0257 0.0272
18:01-19:00, Tue., 17 Sep. 0.0287 0.0254 0.0272
17:01-18:00, Tue., 17 Sep. 0.0291 0.0255 0.0274
16:01-17:00, Tue., 17 Sep. 0.0288 0.0242 0.0270
15:01-16:00, Tue., 17 Sep. 0.0292 0.0247 0.0272
14:01-15:00, Tue., 17 Sep. 0.0294 0.0254 0.0274
13:01-14:00, Tue., 17 Sep. 0.0295 0.0249 0.0273
12:01-13:00, Tue., 17 Sep. 0.0296 0.0252 0.0275
11:01-12:00, Tue., 17 Sep. 0.0291 0.0256 0.0275
10:01-11:00, Tue., 17 Sep. 0.0293 0.0249 0.0273
09:01-10:00, Tue., 17 Sep. 0.0298 0.0252 0.0273
08:01-09:00, Tue., 17 Sep. 0.0299 0.0260 0.0276
07:01-08:00, Tue., 17 Sep. 0.0296 0.0262 0.0277
06:01-07:00, Tue., 17 Sep. 0.0295 0.0252 0.0274
05:01-06:00, Tue., 17 Sep. 0.0294 0.0256 0.0276
04:01-05:00, Tue., 17 Sep. 0.0295 0.0261 0.0275
03:01-04:00, Tue., 17 Sep. 0.0301 0.0258 0.0275
02:01-03:00, Tue., 17 Sep. 0.0291 0.0255 0.0274
01:01-02:00, Tue., 17 Sep. 0.0291 0.0245 0.0274
00:01-01:00, Tue., 17 Sep. 0.0291 0.0243 0.0272
23:01-24:00, Mon., 16 Sep. 0.0293 0.0247 0.0272
22:01-23:00, Mon., 16 Sep. 0.0292 0.0255 0.0272
21:01-22:00, Mon., 16 Sep. 0.0288 0.0249 0.0269
20:01-21:00, Mon., 16 Sep. 0.0296 0.0255 0.0271
19:01-20:00, Mon., 16 Sep. 0.0294 0.0248 0.0268
18:01-19:00, Mon., 16 Sep. 0.0282 0.0254 0.0268
17:01-18:00, Mon., 16 Sep. 0.0292 0.0247 0.0267
16:01-17:00, Mon., 16 Sep. 0.0293 0.0251 0.0269
15:01-16:00, Mon., 16 Sep. 0.0294 0.0251 0.0270
14:01-15:00, Mon., 16 Sep. 0.0284 0.0254 0.0269
13:01-14:00, Mon., 16 Sep. 0.0288 0.0255 0.0270
12:01-13:00, Mon., 16 Sep. 0.0295 0.0259 0.0273
11:01-12:00, Mon., 16 Sep. 0.0306 0.0266 0.0282
10:01-11:00, Mon., 16 Sep. 0.0319 0.0274 0.0296
09:01-10:00, Mon., 16 Sep. 0.0334 0.0286 0.0306
08:01-09:00, Mon., 16 Sep. 0.0321 0.0284 0.0302
07:01-08:00, Mon., 16 Sep. 0.0326 0.0289 0.0306
06:01-07:00, Mon., 16 Sep. 0.0327 0.0290 0.0305
05:01-06:00, Mon., 16 Sep. 0.0327 0.0286 0.0305
04:01-05:00, Mon., 16 Sep. 0.0308 0.0267 0.0287
03:01-04:00, Mon., 16 Sep. 0.0312 0.0265 0.0287
02:01-03:00, Mon., 16 Sep. 0.0306 0.0266 0.0283
01:01-02:00, Mon., 16 Sep. 0.0305 0.0258 0.0279
00:01-01:00, Mon., 16 Sep. 0.0298 0.0262 0.0278