Measurement results by the hour (Chofu) 15 Jul., 2019 - 21 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., 21 Jul. 0.0292 0.0253 0.0273
22:01-23:00, Sun., 21 Jul. 0.0294 0.0256 0.0274
21:01-22:00, Sun., 21 Jul. 0.0300 0.0260 0.0284
20:01-21:00, Sun., 21 Jul. 0.0307 0.0257 0.0276
19:01-20:00, Sun., 21 Jul. 0.0296 0.0259 0.0274
18:01-19:00, Sun., 21 Jul. 0.0289 0.0257 0.0271
17:01-18:00, Sun., 21 Jul. 0.0290 0.0256 0.0272
16:01-17:00, Sun., 21 Jul. 0.0294 0.0257 0.0275
15:01-16:00, Sun., 21 Jul. 0.0291 0.0250 0.0272
14:01-15:00, Sun., 21 Jul. 0.0286 0.0253 0.0271
13:01-14:00, Sun., 21 Jul. 0.0288 0.0250 0.0272
12:01-13:00, Sun., 21 Jul. 0.0289 0.0252 0.0270
11:01-12:00, Sun., 21 Jul. 0.0287 0.0256 0.0270
10:01-11:00, Sun., 21 Jul. 0.0289 0.0252 0.0270
09:01-10:00, Sun., 21 Jul. 0.0295 0.0260 0.0277
08:01-09:00, Sun., 21 Jul. 0.0297 0.0254 0.0275
07:01-08:00, Sun., 21 Jul. 0.0297 0.0260 0.0277
06:01-07:00, Sun., 21 Jul. 0.0293 0.0260 0.0277
05:01-06:00, Sun., 21 Jul. 0.0294 0.0245 0.0276
04:01-05:00, Sun., 21 Jul. 0.0292 0.0247 0.0272
03:01-04:00, Sun., 21 Jul. 0.0293 0.0262 0.0277
02:01-03:00, Sun., 21 Jul. 0.0297 0.0262 0.0278
01:01-02:00, Sun., 21 Jul. 0.0291 0.0257 0.0275
00:01-01:00, Sun., 21 Jul. 0.0297 0.0253 0.0275
23:01-24:00, Sat., 20 Jul. 0.0296 0.0252 0.0272
22:01-23:00, Sat., 20 Jul. 0.0294 0.0252 0.0272
21:01-22:00, Sat., 20 Jul. 0.0298 0.0260 0.0274
20:01-21:00, Sat., 20 Jul. 0.0293 0.0258 0.0273
19:01-20:00, Sat., 20 Jul. 0.0294 0.0253 0.0273
18:01-19:00, Sat., 20 Jul. 0.0295 0.0259 0.0274
17:01-18:00, Sat., 20 Jul. 0.0299 0.0261 0.0277
16:01-17:00, Sat., 20 Jul. 0.0294 0.0261 0.0278
15:01-16:00, Sat., 20 Jul. 0.0296 0.0261 0.0278
14:01-15:00, Sat., 20 Jul. 0.0299 0.0256 0.0277
13:01-14:00, Sat., 20 Jul. 0.0296 0.0261 0.0278
12:01-13:00, Sat., 20 Jul. 0.0299 0.0253 0.0277
11:01-12:00, Sat., 20 Jul. 0.0294 0.0258 0.0274
10:01-11:00, Sat., 20 Jul. 0.0294 0.0262 0.0277
09:01-10:00, Sat., 20 Jul. 0.0302 0.0256 0.0278
08:01-09:00, Sat., 20 Jul. 0.0296 0.0259 0.0279
07:01-08:00, Sat., 20 Jul. 0.0296 0.0257 0.0279
06:01-07:00, Sat., 20 Jul. 0.0301 0.0264 0.0282
05:01-06:00, Sat., 20 Jul. 0.0307 0.0265 0.0285
04:01-05:00, Sat., 20 Jul. 0.0302 0.0266 0.0280
03:01-04:00, Sat., 20 Jul. 0.0298 0.0259 0.0278
02:01-03:00, Sat., 20 Jul. 0.0296 0.0256 0.0278
01:01-02:00, Sat., 20 Jul. 0.0293 0.0256 0.0276
00:01-01:00, Sat., 20 Jul. 0.0286 0.0254 0.0272
23:01-24:00, Fri., 19 Jul. 0.0295 0.0249 0.0273
22:01-23:00, Fri., 19 Jul. 0.0291 0.0256 0.0273
21:01-22:00, Fri., 19 Jul. 0.0293 0.0255 0.0275
20:01-21:00, Fri., 19 Jul. 0.0298 0.0262 0.0278
19:01-20:00, Fri., 19 Jul. 0.0305 0.0266 0.0287
18:01-19:00, Fri., 19 Jul. 0.0331 0.0281 0.0305
17:01-18:00, Fri., 19 Jul. 0.0335 0.0254 0.0289
16:01-17:00, Fri., 19 Jul. 0.0292 0.0245 0.0269
15:01-16:00, Fri., 19 Jul. 0.0290 0.0255 0.0271
14:01-15:00, Fri., 19 Jul. 0.0291 0.0256 0.0271
13:01-14:00, Fri., 19 Jul. 0.0281 0.0250 0.0266
12:01-13:00, Fri., 19 Jul. 0.0290 0.0252 0.0268
11:01-12:00, Fri., 19 Jul. 0.0288 0.0247 0.0269
10:01-11:00, Fri., 19 Jul. 0.0298 0.0250 0.0272
09:01-10:00, Fri., 19 Jul. 0.0299 0.0258 0.0273
08:01-09:00, Fri., 19 Jul. 0.0293 0.0255 0.0274
07:01-08:00, Fri., 19 Jul. 0.0296 0.0258 0.0274
06:01-07:00, Fri., 19 Jul. 0.0296 0.0252 0.0276
05:01-06:00, Fri., 19 Jul. 0.0301 0.0257 0.0278
04:01-05:00, Fri., 19 Jul. 0.0292 0.0255 0.0271
03:01-04:00, Fri., 19 Jul. 0.0291 0.0246 0.0266
02:01-03:00, Fri., 19 Jul. 0.0288 0.0252 0.0270
01:01-02:00, Fri., 19 Jul. 0.0291 0.0248 0.0272
00:01-01:00, Fri., 19 Jul. 0.0296 0.0256 0.0273
23:01-24:00, Thu., 18 Jul. 0.0305 0.0257 0.0278
22:01-23:00, Thu., 18 Jul. 0.0309 0.0263 0.0285
21:01-22:00, Thu., 18 Jul. 0.0312 0.0264 0.0282
20:01-21:00, Thu., 18 Jul. 0.0302 0.0252 0.0270
19:01-20:00, Thu., 18 Jul. 0.0292 0.0255 0.0269
18:01-19:00, Thu., 18 Jul. 0.0284 0.0253 0.0269
17:01-18:00, Thu., 18 Jul. 0.0301 0.0253 0.0272
16:01-17:00, Thu., 18 Jul. 0.0287 0.0258 0.0271
15:01-16:00, Thu., 18 Jul. 0.0291 0.0258 0.0271
14:01-15:00, Thu., 18 Jul. 0.0295 0.0249 0.0268
13:01-14:00, Thu., 18 Jul. 0.0288 0.0244 0.0268
12:01-13:00, Thu., 18 Jul. 0.0292 0.0249 0.0269
11:01-12:00, Thu., 18 Jul. 0.0297 0.0259 0.0275
10:01-11:00, Thu., 18 Jul. 0.0295 0.0261 0.0278
09:01-10:00, Thu., 18 Jul. 0.0297 0.0261 0.0278
08:01-09:00, Thu., 18 Jul. 0.0303 0.0262 0.0277
07:01-08:00, Thu., 18 Jul. 0.0293 0.0257 0.0276
06:01-07:00, Thu., 18 Jul. 0.0299 0.0261 0.0279
05:01-06:00, Thu., 18 Jul. 0.0296 0.0259 0.0278
04:01-05:00, Thu., 18 Jul. 0.0295 0.0258 0.0276
03:01-04:00, Thu., 18 Jul. 0.0291 0.0252 0.0270
02:01-03:00, Thu., 18 Jul. 0.0293 0.0254 0.0270
01:01-02:00, Thu., 18 Jul. 0.0287 0.0257 0.0272
00:01-01:00, Thu., 18 Jul. 0.0294 0.0245 0.0271
23:01-24:00, Wed., 17 Jul. 0.0292 0.0241 0.0270
22:01-23:00, Wed., 17 Jul. 0.0284 0.0251 0.0270
21:01-22:00, Wed., 17 Jul. 0.0289 0.0247 0.0268
20:01-21:00, Wed., 17 Jul. 0.0290 0.0258 0.0270
19:01-20:00, Wed., 17 Jul. 0.0290 0.0253 0.0270
18:01-19:00, Wed., 17 Jul. 0.0283 0.0250 0.0269
17:01-18:00, Wed., 17 Jul. 0.0286 0.0248 0.0268
16:01-17:00, Wed., 17 Jul. 0.0286 0.0254 0.0269
15:01-16:00, Wed., 17 Jul. 0.0291 0.0253 0.0270
14:01-15:00, Wed., 17 Jul. 0.0283 0.0250 0.0272
13:01-14:00, Wed., 17 Jul. 0.0285 0.0255 0.0270
12:01-13:00, Wed., 17 Jul. 0.0291 0.0247 0.0270
11:01-12:00, Wed., 17 Jul. 0.0290 0.0247 0.0269
10:01-11:00, Wed., 17 Jul. 0.0289 0.0251 0.0270
09:01-10:00, Wed., 17 Jul. 0.0290 0.0251 0.0269
08:01-09:00, Wed., 17 Jul. 0.0306 0.0254 0.0275
07:01-08:00, Wed., 17 Jul. 0.0297 0.0256 0.0274
06:01-07:00, Wed., 17 Jul. 0.0290 0.0250 0.0268
05:01-06:00, Wed., 17 Jul. 0.0296 0.0256 0.0269
04:01-05:00, Wed., 17 Jul. 0.0278 0.0246 0.0264
03:01-04:00, Wed., 17 Jul. 0.0288 0.0249 0.0265
02:01-03:00, Wed., 17 Jul. 0.0282 0.0250 0.0264
01:01-02:00, Wed., 17 Jul. 0.0290 0.0250 0.0271
00:01-01:00, Wed., 17 Jul. 0.0325 0.0265 0.0292
23:01-24:00, Tue., 16 Jul. 0.0343 0.0275 0.0305
22:01-23:00, Tue., 16 Jul. 0.0338 0.0283 0.0311
21:01-22:00, Tue., 16 Jul. 0.0328 0.0258 0.0278
20:01-21:00, Tue., 16 Jul. 0.0296 0.0259 0.0272
19:01-20:00, Tue., 16 Jul. 0.0284 0.0248 0.0266
18:01-19:00, Tue., 16 Jul. 0.0302 0.0258 0.0277
17:01-18:00, Tue., 16 Jul. 0.0336 0.0277 0.0308
16:01-17:00, Tue., 16 Jul. 0.0346 0.0284 0.0312
15:01-16:00, Tue., 16 Jul. 0.0343 0.0294 0.0319
14:01-15:00, Tue., 16 Jul. 0.0369 0.0316 0.0333
13:01-14:00, Tue., 16 Jul. 0.0362 0.0304 0.0334
12:01-13:00, Tue., 16 Jul. 0.0371 0.0322 0.0344
11:01-12:00, Tue., 16 Jul. 0.0372 0.0290 0.0328
10:01-11:00, Tue., 16 Jul. 0.0326 0.0256 0.0287
09:01-10:00, Tue., 16 Jul. 0.0294 0.0253 0.0275
08:01-09:00, Tue., 16 Jul. 0.0300 0.0261 0.0279
07:01-08:00, Tue., 16 Jul. 0.0352 0.0275 0.0312
06:01-07:00, Tue., 16 Jul. 0.0421 0.0328 0.0358
05:01-06:00, Tue., 16 Jul. 0.0494 0.0367 0.0435
04:01-05:00, Tue., 16 Jul. 0.0505 0.0414 0.0453
03:01-04:00, Tue., 16 Jul. 0.0491 0.0401 0.0441
02:01-03:00, Tue., 16 Jul. 0.0482 0.0403 0.0443
01:01-02:00, Tue., 16 Jul. 0.0495 0.0414 0.0451
00:01-01:00, Tue., 16 Jul. 0.0473 0.0319 0.0395
23:01-24:00, Mon., 15 Jul. 0.0369 0.0319 0.0342
22:01-23:00, Mon., 15 Jul. 0.0389 0.0307 0.0353
21:01-22:00, Mon., 15 Jul. 0.0301 0.0243 0.0267
20:01-21:00, Mon., 15 Jul. 0.0289 0.0248 0.0265
19:01-20:00, Mon., 15 Jul. 0.0290 0.0248 0.0265
18:01-19:00, Mon., 15 Jul. 0.0279 0.0250 0.0264
17:01-18:00, Mon., 15 Jul. 0.0286 0.0248 0.0265
16:01-17:00, Mon., 15 Jul. 0.0280 0.0249 0.0264
15:01-16:00, Mon., 15 Jul. 0.0284 0.0249 0.0265
14:01-15:00, Mon., 15 Jul. 0.0287 0.0246 0.0263
13:01-14:00, Mon., 15 Jul. 0.0282 0.0247 0.0266
12:01-13:00, Mon., 15 Jul. 0.0283 0.0246 0.0267
11:01-12:00, Mon., 15 Jul. 0.0299 0.0245 0.0275
10:01-11:00, Mon., 15 Jul. 0.0369 0.0279 0.0319
09:01-10:00, Mon., 15 Jul. 0.0408 0.0340 0.0372
08:01-09:00, Mon., 15 Jul. 0.0394 0.0332 0.0356
07:01-08:00, Mon., 15 Jul. 0.0388 0.0318 0.0351
06:01-07:00, Mon., 15 Jul. 0.0460 0.0380 0.0419
05:01-06:00, Mon., 15 Jul. 0.0439 0.0335 0.0386
04:01-05:00, Mon., 15 Jul. 0.0366 0.0288 0.0312
03:01-04:00, Mon., 15 Jul. 0.0347 0.0302 0.0321
02:01-03:00, Mon., 15 Jul. 0.0353 0.0284 0.0321
01:01-02:00, Mon., 15 Jul. 0.0430 0.0336 0.0374
00:01-01:00, Mon., 15 Jul. 0.0440 0.0295 0.0376