Measurement results by the hour (Chofu) 22 Jul., 2019 - 28 Jul., 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., 28 Jul. 0.0287 0.0254 0.0271
22:01-23:00, Sun., 28 Jul. 0.0296 0.0250 0.0269
21:01-22:00, Sun., 28 Jul. 0.0290 0.0251 0.0271
20:01-21:00, Sun., 28 Jul. 0.0287 0.0248 0.0268
19:01-20:00, Sun., 28 Jul. 0.0290 0.0243 0.0269
18:01-19:00, Sun., 28 Jul. 0.0292 0.0247 0.0269
17:01-18:00, Sun., 28 Jul. 0.0288 0.0253 0.0269
16:01-17:00, Sun., 28 Jul. 0.0290 0.0248 0.0269
15:01-16:00, Sun., 28 Jul. 0.0287 0.0253 0.0272
14:01-15:00, Sun., 28 Jul. 0.0294 0.0249 0.0270
13:01-14:00, Sun., 28 Jul. 0.0284 0.0246 0.0269
12:01-13:00, Sun., 28 Jul. 0.0284 0.0253 0.0270
11:01-12:00, Sun., 28 Jul. 0.0294 0.0254 0.0271
10:01-11:00, Sun., 28 Jul. 0.0284 0.0252 0.0268
09:01-10:00, Sun., 28 Jul. 0.0283 0.0250 0.0267
08:01-09:00, Sun., 28 Jul. 0.0289 0.0254 0.0272
07:01-08:00, Sun., 28 Jul. 0.0329 0.0270 0.0299
06:01-07:00, Sun., 28 Jul. 0.0398 0.0315 0.0360
05:01-06:00, Sun., 28 Jul. 0.0444 0.0367 0.0392
04:01-05:00, Sun., 28 Jul. 0.0467 0.0387 0.0423
03:01-04:00, Sun., 28 Jul. 0.0449 0.0353 0.0394
02:01-03:00, Sun., 28 Jul. 0.0369 0.0274 0.0319
01:01-02:00, Sun., 28 Jul. 0.0297 0.0258 0.0279
00:01-01:00, Sun., 28 Jul. 0.0303 0.0267 0.0283
23:01-24:00, Sat., 27 Jul. 0.0300 0.0256 0.0280
22:01-23:00, Sat., 27 Jul. 0.0294 0.0252 0.0274
21:01-22:00, Sat., 27 Jul. 0.0301 0.0255 0.0281
20:01-21:00, Sat., 27 Jul. 0.0291 0.0250 0.0273
19:01-20:00, Sat., 27 Jul. 0.0290 0.0253 0.0273
18:01-19:00, Sat., 27 Jul. 0.0296 0.0260 0.0276
17:01-18:00, Sat., 27 Jul. 0.0296 0.0251 0.0275
16:01-17:00, Sat., 27 Jul. 0.0293 0.0255 0.0274
15:01-16:00, Sat., 27 Jul. 0.0288 0.0259 0.0272
14:01-15:00, Sat., 27 Jul. 0.0296 0.0253 0.0273
13:01-14:00, Sat., 27 Jul. 0.0292 0.0259 0.0273
12:01-13:00, Sat., 27 Jul. 0.0295 0.0252 0.0269
11:01-12:00, Sat., 27 Jul. 0.0289 0.0255 0.0272
10:01-11:00, Sat., 27 Jul. 0.0289 0.0249 0.0269
09:01-10:00, Sat., 27 Jul. 0.0294 0.0252 0.0268
08:01-09:00, Sat., 27 Jul. 0.0296 0.0248 0.0268
07:01-08:00, Sat., 27 Jul. 0.0285 0.0251 0.0267
06:01-07:00, Sat., 27 Jul. 0.0294 0.0251 0.0267
05:01-06:00, Sat., 27 Jul. 0.0300 0.0248 0.0268
04:01-05:00, Sat., 27 Jul. 0.0291 0.0247 0.0267
03:01-04:00, Sat., 27 Jul. 0.0290 0.0252 0.0269
02:01-03:00, Sat., 27 Jul. 0.0290 0.0247 0.0267
01:01-02:00, Sat., 27 Jul. 0.0290 0.0247 0.0269
00:01-01:00, Sat., 27 Jul. 0.0291 0.0252 0.0271
23:01-24:00, Fri., 26 Jul. 0.0292 0.0247 0.0270
22:01-23:00, Fri., 26 Jul. 0.0291 0.0252 0.0269
21:01-22:00, Fri., 26 Jul. 0.0289 0.0251 0.0272
20:01-21:00, Fri., 26 Jul. 0.0292 0.0250 0.0275
19:01-20:00, Fri., 26 Jul. 0.0302 0.0252 0.0275
18:01-19:00, Fri., 26 Jul. 0.0300 0.0257 0.0275
17:01-18:00, Fri., 26 Jul. 0.0297 0.0258 0.0276
16:01-17:00, Fri., 26 Jul. 0.0291 0.0259 0.0274
15:01-16:00, Fri., 26 Jul. 0.0296 0.0256 0.0274
14:01-15:00, Fri., 26 Jul. 0.0296 0.0254 0.0274
13:01-14:00, Fri., 26 Jul. 0.0289 0.0256 0.0273
12:01-13:00, Fri., 26 Jul. 0.0289 0.0253 0.0274
11:01-12:00, Fri., 26 Jul. 0.0291 0.0253 0.0272
10:01-11:00, Fri., 26 Jul. 0.0288 0.0249 0.0271
09:01-10:00, Fri., 26 Jul. 0.0296 0.0257 0.0273
08:01-09:00, Fri., 26 Jul. 0.0294 0.0254 0.0272
07:01-08:00, Fri., 26 Jul. 0.0292 0.0255 0.0271
06:01-07:00, Fri., 26 Jul. 0.0289 0.0246 0.0272
05:01-06:00, Fri., 26 Jul. 0.0290 0.0253 0.0272
04:01-05:00, Fri., 26 Jul. 0.0290 0.0258 0.0273
03:01-04:00, Fri., 26 Jul. 0.0291 0.0247 0.0271
02:01-03:00, Fri., 26 Jul. 0.0301 0.0252 0.0273
01:01-02:00, Fri., 26 Jul. 0.0290 0.0256 0.0275
00:01-01:00, Fri., 26 Jul. 0.0293 0.0256 0.0273
23:01-24:00, Thu., 25 Jul. 0.0293 0.0255 0.0272
22:01-23:00, Thu., 25 Jul. 0.0296 0.0258 0.0274
21:01-22:00, Thu., 25 Jul. 0.0290 0.0257 0.0273
20:01-21:00, Thu., 25 Jul. 0.0290 0.0257 0.0274
19:01-20:00, Thu., 25 Jul. 0.0295 0.0257 0.0274
18:01-19:00, Thu., 25 Jul. 0.0292 0.0259 0.0276
17:01-18:00, Thu., 25 Jul. 0.0292 0.0257 0.0277
16:01-17:00, Thu., 25 Jul. 0.0294 0.0260 0.0278
15:01-16:00, Thu., 25 Jul. 0.0302 0.0259 0.0278
14:01-15:00, Thu., 25 Jul. 0.0298 0.0262 0.0280
13:01-14:00, Thu., 25 Jul. 0.0303 0.0258 0.0281
12:01-13:00, Thu., 25 Jul. 0.0300 0.0254 0.0283
11:01-12:00, Thu., 25 Jul. 0.0299 0.0264 0.0281
10:01-11:00, Thu., 25 Jul. 0.0294 0.0263 0.0278
09:01-10:00, Thu., 25 Jul. 0.0298 0.0264 0.0278
08:01-09:00, Thu., 25 Jul. 0.0295 0.0248 0.0275
07:01-08:00, Thu., 25 Jul. 0.0292 0.0255 0.0276
06:01-07:00, Thu., 25 Jul. 0.0296 0.0255 0.0277
05:01-06:00, Thu., 25 Jul. 0.0299 0.0254 0.0278
04:01-05:00, Thu., 25 Jul. 0.0307 0.0263 0.0285
03:01-04:00, Thu., 25 Jul. 0.0304 0.0266 0.0282
02:01-03:00, Thu., 25 Jul. 0.0294 0.0253 0.0276
01:01-02:00, Thu., 25 Jul. 0.0294 0.0251 0.0273
00:01-01:00, Thu., 25 Jul. 0.0290 0.0256 0.0273
23:01-24:00, Wed., 24 Jul. 0.0294 0.0248 0.0273
22:01-23:00, Wed., 24 Jul. 0.0304 0.0253 0.0273
21:01-22:00, Wed., 24 Jul. 0.0292 0.0252 0.0275
20:01-21:00, Wed., 24 Jul. 0.0292 0.0254 0.0273
19:01-20:00, Wed., 24 Jul. 0.0296 0.0257 0.0274
18:01-19:00, Wed., 24 Jul. 0.0293 0.0257 0.0275
17:01-18:00, Wed., 24 Jul. 0.0290 0.0254 0.0273
16:01-17:00, Wed., 24 Jul. 0.0287 0.0251 0.0273
15:01-16:00, Wed., 24 Jul. 0.0293 0.0251 0.0272
14:01-15:00, Wed., 24 Jul. 0.0298 0.0254 0.0273
13:01-14:00, Wed., 24 Jul. 0.0289 0.0254 0.0273
12:01-13:00, Wed., 24 Jul. 0.0284 0.0245 0.0270
11:01-12:00, Wed., 24 Jul. 0.0294 0.0256 0.0274
10:01-11:00, Wed., 24 Jul. 0.0288 0.0255 0.0274
09:01-10:00, Wed., 24 Jul. 0.0284 0.0252 0.0271
08:01-09:00, Wed., 24 Jul. 0.0302 0.0255 0.0272
07:01-08:00, Wed., 24 Jul. 0.0297 0.0256 0.0272
06:01-07:00, Wed., 24 Jul. 0.0294 0.0252 0.0270
05:01-06:00, Wed., 24 Jul. 0.0293 0.0252 0.0273
04:01-05:00, Wed., 24 Jul. 0.0290 0.0256 0.0272
03:01-04:00, Wed., 24 Jul. 0.0289 0.0259 0.0271
02:01-03:00, Wed., 24 Jul. 0.0290 0.0253 0.0271
01:01-02:00, Wed., 24 Jul. 0.0299 0.0248 0.0269
00:01-01:00, Wed., 24 Jul. 0.0295 0.0249 0.0269
23:01-24:00, Tue., 23 Jul. 0.0292 0.0254 0.0271
22:01-23:00, Tue., 23 Jul. 0.0282 0.0249 0.0268
21:01-22:00, Tue., 23 Jul. 0.0289 0.0258 0.0271
20:01-21:00, Tue., 23 Jul. 0.0287 0.0249 0.0269
19:01-20:00, Tue., 23 Jul. 0.0296 0.0251 0.0270
18:01-19:00, Tue., 23 Jul. 0.0287 0.0252 0.0272
17:01-18:00, Tue., 23 Jul. 0.0286 0.0248 0.0272
16:01-17:00, Tue., 23 Jul. 0.0292 0.0253 0.0270
15:01-16:00, Tue., 23 Jul. 0.0293 0.0248 0.0271
14:01-15:00, Tue., 23 Jul. 0.0288 0.0253 0.0270
13:01-14:00, Tue., 23 Jul. 0.0293 0.0254 0.0270
12:01-13:00, Tue., 23 Jul. 0.0289 0.0248 0.0272
11:01-12:00, Tue., 23 Jul. 0.0295 0.0249 0.0271
10:01-11:00, Tue., 23 Jul. 0.0293 0.0258 0.0278
09:01-10:00, Tue., 23 Jul. 0.0315 0.0265 0.0284
08:01-09:00, Tue., 23 Jul. 0.0290 0.0256 0.0273
07:01-08:00, Tue., 23 Jul. 0.0288 0.0252 0.0270
06:01-07:00, Tue., 23 Jul. 0.0291 0.0242 0.0270
05:01-06:00, Tue., 23 Jul. 0.0292 0.0261 0.0274
04:01-05:00, Tue., 23 Jul. 0.0294 0.0259 0.0275
03:01-04:00, Tue., 23 Jul. 0.0290 0.0259 0.0276
02:01-03:00, Tue., 23 Jul. 0.0300 0.0258 0.0277
01:01-02:00, Tue., 23 Jul. 0.0307 0.0267 0.0285
00:01-01:00, Tue., 23 Jul. 0.0294 0.0250 0.0277
23:01-24:00, Mon., 22 Jul. 0.0295 0.0253 0.0278
22:01-23:00, Mon., 22 Jul. 0.0292 0.0256 0.0277
21:01-22:00, Mon., 22 Jul. 0.0295 0.0252 0.0273
20:01-21:00, Mon., 22 Jul. 0.0297 0.0254 0.0275
19:01-20:00, Mon., 22 Jul. 0.0310 0.0252 0.0282
18:01-19:00, Mon., 22 Jul. 0.0337 0.0280 0.0304
17:01-18:00, Mon., 22 Jul. 0.0325 0.0265 0.0297
16:01-17:00, Mon., 22 Jul. 0.0284 0.0252 0.0270
15:01-16:00, Mon., 22 Jul. 0.0292 0.0251 0.0270
14:01-15:00, Mon., 22 Jul. 0.0286 0.0250 0.0268
13:01-14:00, Mon., 22 Jul. 0.0293 0.0245 0.0269
12:01-13:00, Mon., 22 Jul. 0.0287 0.0251 0.0269
11:01-12:00, Mon., 22 Jul. 0.0288 0.0247 0.0268
10:01-11:00, Mon., 22 Jul. 0.0295 0.0249 0.0273
09:01-10:00, Mon., 22 Jul. 0.0288 0.0253 0.0272
08:01-09:00, Mon., 22 Jul. 0.0293 0.0259 0.0276
07:01-08:00, Mon., 22 Jul. 0.0293 0.0252 0.0272
06:01-07:00, Mon., 22 Jul. 0.0284 0.0254 0.0271
05:01-06:00, Mon., 22 Jul. 0.0291 0.0248 0.0272
04:01-05:00, Mon., 22 Jul. 0.0293 0.0257 0.0274
03:01-04:00, Mon., 22 Jul. 0.0297 0.0262 0.0278
02:01-03:00, Mon., 22 Jul. 0.0302 0.0257 0.0280
01:01-02:00, Mon., 22 Jul. 0.0298 0.0265 0.0281
00:01-01:00, Mon., 22 Jul. 0.0288 0.0254 0.0271