Measurement results by the hour (Chofu) 9 Sep., 2019 - 15 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., 15 Sep. 0.0295 0.0259 0.0277
22:01-23:00, Sun., 15 Sep. 0.0301 0.0242 0.0271
21:01-22:00, Sun., 15 Sep. 0.0289 0.0252 0.0271
20:01-21:00, Sun., 15 Sep. 0.0289 0.0254 0.0272
19:01-20:00, Sun., 15 Sep. 0.0295 0.0252 0.0270
18:01-19:00, Sun., 15 Sep. 0.0292 0.0253 0.0273
17:01-18:00, Sun., 15 Sep. 0.0290 0.0255 0.0273
16:01-17:00, Sun., 15 Sep. 0.0292 0.0253 0.0273
15:01-16:00, Sun., 15 Sep. 0.0296 0.0256 0.0275
14:01-15:00, Sun., 15 Sep. 0.0289 0.0255 0.0272
13:01-14:00, Sun., 15 Sep. 0.0294 0.0250 0.0271
12:01-13:00, Sun., 15 Sep. 0.0297 0.0254 0.0272
11:01-12:00, Sun., 15 Sep. 0.0290 0.0248 0.0275
10:01-11:00, Sun., 15 Sep. 0.0295 0.0261 0.0277
09:01-10:00, Sun., 15 Sep. 0.0294 0.0264 0.0278
08:01-09:00, Sun., 15 Sep. 0.0316 0.0264 0.0281
07:01-08:00, Sun., 15 Sep. 0.0309 0.0266 0.0286
06:01-07:00, Sun., 15 Sep. 0.0303 0.0263 0.0279
05:01-06:00, Sun., 15 Sep. 0.0306 0.0265 0.0282
04:01-05:00, Sun., 15 Sep. 0.0303 0.0263 0.0281
03:01-04:00, Sun., 15 Sep. 0.0303 0.0256 0.0280
02:01-03:00, Sun., 15 Sep. 0.0302 0.0257 0.0279
01:01-02:00, Sun., 15 Sep. 0.0297 0.0261 0.0278
00:01-01:00, Sun., 15 Sep. 0.0298 0.0256 0.0278
23:01-24:00, Sat., 14 Sep. 0.0291 0.0258 0.0277
22:01-23:00, Sat., 14 Sep. 0.0304 0.0253 0.0277
21:01-22:00, Sat., 14 Sep. 0.0288 0.0258 0.0274
20:01-21:00, Sat., 14 Sep. 0.0292 0.0256 0.0275
19:01-20:00, Sat., 14 Sep. 0.0300 0.0251 0.0274
18:01-19:00, Sat., 14 Sep. 0.0297 0.0255 0.0274
17:01-18:00, Sat., 14 Sep. 0.0298 0.0262 0.0275
16:01-17:00, Sat., 14 Sep. 0.0300 0.0258 0.0275
15:01-16:00, Sat., 14 Sep. 0.0288 0.0250 0.0273
14:01-15:00, Sat., 14 Sep. 0.0304 0.0254 0.0275
13:01-14:00, Sat., 14 Sep. 0.0298 0.0258 0.0278
12:01-13:00, Sat., 14 Sep. 0.0302 0.0260 0.0280
11:01-12:00, Sat., 14 Sep. 0.0321 0.0269 0.0293
10:01-11:00, Sat., 14 Sep. 0.0317 0.0267 0.0290
09:01-10:00, Sat., 14 Sep. 0.0301 0.0267 0.0281
08:01-09:00, Sat., 14 Sep. 0.0294 0.0258 0.0277
07:01-08:00, Sat., 14 Sep. 0.0301 0.0267 0.0282
06:01-07:00, Sat., 14 Sep. 0.0300 0.0252 0.0281
05:01-06:00, Sat., 14 Sep. 0.0311 0.0262 0.0282
04:01-05:00, Sat., 14 Sep. 0.0305 0.0261 0.0281
03:01-04:00, Sat., 14 Sep. 0.0301 0.0264 0.0280
02:01-03:00, Sat., 14 Sep. 0.0294 0.0260 0.0279
01:01-02:00, Sat., 14 Sep. 0.0301 0.0260 0.0278
00:01-01:00, Sat., 14 Sep. 0.0296 0.0258 0.0276
23:01-24:00, Fri., 13 Sep. 0.0299 0.0260 0.0277
22:01-23:00, Fri., 13 Sep. 0.0291 0.0258 0.0274
21:01-22:00, Fri., 13 Sep. 0.0291 0.0252 0.0273
20:01-21:00, Fri., 13 Sep. 0.0299 0.0257 0.0272
19:01-20:00, Fri., 13 Sep. 0.0290 0.0257 0.0273
18:01-19:00, Fri., 13 Sep. 0.0296 0.0252 0.0272
17:01-18:00, Fri., 13 Sep. 0.0297 0.0255 0.0276
16:01-17:00, Fri., 13 Sep. 0.0289 0.0254 0.0273
15:01-16:00, Fri., 13 Sep. 0.0288 0.0260 0.0274
14:01-15:00, Fri., 13 Sep. 0.0298 0.0259 0.0276
13:01-14:00, Fri., 13 Sep. 0.0294 0.0257 0.0273
12:01-13:00, Fri., 13 Sep. 0.0300 0.0254 0.0272
11:01-12:00, Fri., 13 Sep. 0.0299 0.0256 0.0273
10:01-11:00, Fri., 13 Sep. 0.0287 0.0256 0.0271
09:01-10:00, Fri., 13 Sep. 0.0292 0.0257 0.0275
08:01-09:00, Fri., 13 Sep. 0.0296 0.0257 0.0274
07:01-08:00, Fri., 13 Sep. 0.0292 0.0254 0.0275
06:01-07:00, Fri., 13 Sep. 0.0291 0.0256 0.0273
05:01-06:00, Fri., 13 Sep. 0.0288 0.0255 0.0271
04:01-05:00, Fri., 13 Sep. 0.0293 0.0253 0.0272
03:01-04:00, Fri., 13 Sep. 0.0293 0.0252 0.0273
02:01-03:00, Fri., 13 Sep. 0.0294 0.0250 0.0273
01:01-02:00, Fri., 13 Sep. 0.0297 0.0256 0.0271
00:01-01:00, Fri., 13 Sep. 0.0284 0.0259 0.0272
23:01-24:00, Thu., 12 Sep. 0.0289 0.0251 0.0271
22:01-23:00, Thu., 12 Sep. 0.0291 0.0257 0.0271
21:01-22:00, Thu., 12 Sep. 0.0289 0.0246 0.0270
20:01-21:00, Thu., 12 Sep. 0.0284 0.0256 0.0270
19:01-20:00, Thu., 12 Sep. 0.0289 0.0251 0.0271
18:01-19:00, Thu., 12 Sep. 0.0290 0.0256 0.0271
17:01-18:00, Thu., 12 Sep. 0.0295 0.0249 0.0271
16:01-17:00, Thu., 12 Sep. 0.0285 0.0255 0.0272
15:01-16:00, Thu., 12 Sep. 0.0294 0.0248 0.0272
14:01-15:00, Thu., 12 Sep. 0.0290 0.0251 0.0269
13:01-14:00, Thu., 12 Sep. 0.0288 0.0252 0.0270
12:01-13:00, Thu., 12 Sep. 0.0296 0.0251 0.0272
11:01-12:00, Thu., 12 Sep. 0.0285 0.0248 0.0271
10:01-11:00, Thu., 12 Sep. 0.0292 0.0254 0.0270
09:01-10:00, Thu., 12 Sep. 0.0291 0.0257 0.0273
08:01-09:00, Thu., 12 Sep. 0.0291 0.0254 0.0271
07:01-08:00, Thu., 12 Sep. 0.0297 0.0251 0.0272
06:01-07:00, Thu., 12 Sep. 0.0294 0.0261 0.0275
05:01-06:00, Thu., 12 Sep. 0.0292 0.0258 0.0273
04:01-05:00, Thu., 12 Sep. 0.0293 0.0252 0.0274
03:01-04:00, Thu., 12 Sep. 0.0288 0.0251 0.0272
02:01-03:00, Thu., 12 Sep. 0.0301 0.0253 0.0271
01:01-02:00, Thu., 12 Sep. 0.0287 0.0252 0.0270
00:01-01:00, Thu., 12 Sep. 0.0287 0.0247 0.0269
23:01-24:00, Wed., 11 Sep. 0.0285 0.0255 0.0266
22:01-23:00, Wed., 11 Sep. 0.0288 0.0257 0.0274
21:01-22:00, Wed., 11 Sep. 0.0299 0.0261 0.0277
20:01-21:00, Wed., 11 Sep. 0.0324 0.0273 0.0300
19:01-20:00, Wed., 11 Sep. 0.0427 0.0314 0.0358
18:01-19:00, Wed., 11 Sep. 0.0470 0.0345 0.0397
17:01-18:00, Wed., 11 Sep. 0.0491 0.0261 0.0395
16:01-17:00, Wed., 11 Sep. 0.0290 0.0251 0.0271
15:01-16:00, Wed., 11 Sep. 0.0295 0.0252 0.0273
14:01-15:00, Wed., 11 Sep. 0.0295 0.0259 0.0275
13:01-14:00, Wed., 11 Sep. 0.0293 0.0252 0.0272
12:01-13:00, Wed., 11 Sep. 0.0295 0.0257 0.0271
11:01-12:00, Wed., 11 Sep. 0.0294 0.0254 0.0271
10:01-11:00, Wed., 11 Sep. 0.0288 0.0254 0.0272
09:01-10:00, Wed., 11 Sep. 0.0296 0.0257 0.0271
08:01-09:00, Wed., 11 Sep. 0.0284 0.0251 0.0270
07:01-08:00, Wed., 11 Sep. 0.0302 0.0249 0.0272
06:01-07:00, Wed., 11 Sep. 0.0294 0.0251 0.0271
05:01-06:00, Wed., 11 Sep. 0.0287 0.0254 0.0271
04:01-05:00, Wed., 11 Sep. 0.0290 0.0253 0.0271
03:01-04:00, Wed., 11 Sep. 0.0289 0.0248 0.0272
02:01-03:00, Wed., 11 Sep. 0.0291 0.0245 0.0269
01:01-02:00, Wed., 11 Sep. 0.0292 0.0248 0.0272
00:01-01:00, Wed., 11 Sep. 0.0300 0.0264 0.0280
23:01-24:00, Tue., 10 Sep. 0.0305 0.0255 0.0281
22:01-23:00, Tue., 10 Sep. 0.0286 0.0249 0.0273
21:01-22:00, Tue., 10 Sep. 0.0290 0.0253 0.0272
20:01-21:00, Tue., 10 Sep. 0.0290 0.0250 0.0271
19:01-20:00, Tue., 10 Sep. 0.0301 0.0249 0.0272
18:01-19:00, Tue., 10 Sep. 0.0291 0.0252 0.0271
17:01-18:00, Tue., 10 Sep. 0.0292 0.0256 0.0273
16:01-17:00, Tue., 10 Sep. 0.0293 0.0258 0.0273
15:01-16:00, Tue., 10 Sep. 0.0296 0.0253 0.0277
14:01-15:00, Tue., 10 Sep. 0.0299 0.0258 0.0276
13:01-14:00, Tue., 10 Sep. 0.0291 0.0255 0.0272
12:01-13:00, Tue., 10 Sep. 0.0292 0.0251 0.0272
11:01-12:00, Tue., 10 Sep. 0.0293 0.0253 0.0273
10:01-11:00, Tue., 10 Sep. 0.0293 0.0247 0.0272
09:01-10:00, Tue., 10 Sep. 0.0293 0.0257 0.0273
08:01-09:00, Tue., 10 Sep. 0.0300 0.0262 0.0279
07:01-08:00, Tue., 10 Sep. 0.0308 0.0265 0.0280
06:01-07:00, Tue., 10 Sep. 0.0296 0.0264 0.0279
05:01-06:00, Tue., 10 Sep. 0.0299 0.0260 0.0277
04:01-05:00, Tue., 10 Sep. 0.0296 0.0257 0.0276
03:01-04:00, Tue., 10 Sep. 0.0294 0.0244 0.0275
02:01-03:00, Tue., 10 Sep. 0.0289 0.0251 0.0274
01:01-02:00, Tue., 10 Sep. 0.0294 0.0246 0.0271
00:01-01:00, Tue., 10 Sep. 0.0291 0.0255 0.0272
23:01-24:00, Mon., 09 Sep. 0.0288 0.0252 0.0269
22:01-23:00, Mon., 09 Sep. 0.0289 0.0245 0.0272
21:01-22:00, Mon., 09 Sep. 0.0289 0.0250 0.0270
20:01-21:00, Mon., 09 Sep. 0.0293 0.0255 0.0271
19:01-20:00, Mon., 09 Sep. 0.0281 0.0245 0.0265
18:01-19:00, Mon., 09 Sep. 0.0283 0.0246 0.0266
17:01-18:00, Mon., 09 Sep. 0.0284 0.0248 0.0266
16:01-17:00, Mon., 09 Sep. 0.0283 0.0248 0.0269
15:01-16:00, Mon., 09 Sep. 0.0286 0.0246 0.0267
14:01-15:00, Mon., 09 Sep. 0.0289 0.0249 0.0266
13:01-14:00, Mon., 09 Sep. 0.0281 0.0245 0.0265
12:01-13:00, Mon., 09 Sep. 0.0280 0.0245 0.0264
11:01-12:00, Mon., 09 Sep. 0.0285 0.0245 0.0264
10:01-11:00, Mon., 09 Sep. 0.0279 0.0245 0.0262
09:01-10:00, Mon., 09 Sep. 0.0289 0.0250 0.0265
08:01-09:00, Mon., 09 Sep. 0.0295 0.0255 0.0277
07:01-08:00, Mon., 09 Sep. 0.0345 0.0280 0.0312
06:01-07:00, Mon., 09 Sep. 0.0411 0.0333 0.0374
05:01-06:00, Mon., 09 Sep. 0.0431 0.0369 0.0402
04:01-05:00, Mon., 09 Sep. 0.0432 0.0363 0.0393
03:01-04:00, Mon., 09 Sep. 0.0388 0.0319 0.0354
02:01-03:00, Mon., 09 Sep. 0.0335 0.0267 0.0303
01:01-02:00, Mon., 09 Sep. 0.0290 0.0250 0.0265
00:01-01:00, Mon., 09 Sep. 0.0280 0.0243 0.0261