Measurement results by the hour (Chofu) 13 Jul., 2020 - 19 Jul., 2020

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., 19 Jul. 0.0284 0.0250 0.0266
22:01-23:00, Sun., 19 Jul. 0.0283 0.0246 0.0267
21:01-22:00, Sun., 19 Jul. 0.0284 0.0249 0.0266
20:01-21:00, Sun., 19 Jul. 0.0284 0.0227 0.0264
19:01-20:00, Sun., 19 Jul. 0.0285 0.0248 0.0265
18:01-19:00, Sun., 19 Jul. 0.0284 0.0241 0.0264
17:01-18:00, Sun., 19 Jul. 0.0280 0.0245 0.0264
16:01-17:00, Sun., 19 Jul. 0.0289 0.0251 0.0265
15:01-16:00, Sun., 19 Jul. 0.0294 0.0249 0.0266
14:01-15:00, Sun., 19 Jul. 0.0288 0.0248 0.0267
13:01-14:00, Sun., 19 Jul. 0.0282 0.0245 0.0263
12:01-13:00, Sun., 19 Jul. 0.0285 0.0247 0.0265
11:01-12:00, Sun., 19 Jul. 0.0288 0.0252 0.0268
10:01-11:00, Sun., 19 Jul. 0.0284 0.0244 0.0266
09:01-10:00, Sun., 19 Jul. 0.0288 0.0253 0.0271
08:01-09:00, Sun., 19 Jul. 0.0292 0.0257 0.0272
07:01-08:00, Sun., 19 Jul. 0.0290 0.0258 0.0271
06:01-07:00, Sun., 19 Jul. 0.0288 0.0257 0.0275
05:01-06:00, Sun., 19 Jul. 0.0298 0.0254 0.0275
04:01-05:00, Sun., 19 Jul. 0.0287 0.0252 0.0270
03:01-04:00, Sun., 19 Jul. 0.0290 0.0248 0.0266
02:01-03:00, Sun., 19 Jul. 0.0282 0.0246 0.0264
01:01-02:00, Sun., 19 Jul. 0.0284 0.0241 0.0263
00:01-01:00, Sun., 19 Jul. 0.0288 0.0236 0.0262
23:01-24:00, Sat., 18 Jul. 0.0285 0.0248 0.0263
22:01-23:00, Sat., 18 Jul. 0.0278 0.0244 0.0263
21:01-22:00, Sat., 18 Jul. 0.0284 0.0244 0.0261
20:01-21:00, Sat., 18 Jul. 0.0277 0.0242 0.0260
19:01-20:00, Sat., 18 Jul. 0.0281 0.0249 0.0261
18:01-19:00, Sat., 18 Jul. 0.0281 0.0243 0.0264
17:01-18:00, Sat., 18 Jul. 0.0285 0.0230 0.0263
16:01-17:00, Sat., 18 Jul. 0.0281 0.0240 0.0258
15:01-16:00, Sat., 18 Jul. 0.0281 0.0243 0.0260
14:01-15:00, Sat., 18 Jul. 0.0286 0.0249 0.0264
13:01-14:00, Sat., 18 Jul. 0.0313 0.0242 0.0278
12:01-13:00, Sat., 18 Jul. 0.0325 0.0279 0.0302
11:01-12:00, Sat., 18 Jul. 0.0404 0.0308 0.0351
10:01-11:00, Sat., 18 Jul. 0.0502 0.0380 0.0443
09:01-10:00, Sat., 18 Jul. 0.0547 0.0462 0.0503
08:01-09:00, Sat., 18 Jul. 0.0547 0.0467 0.0507
07:01-08:00, Sat., 18 Jul. 0.0563 0.0489 0.0526
06:01-07:00, Sat., 18 Jul. 0.0548 0.0409 0.0479
05:01-06:00, Sat., 18 Jul. 0.0445 0.0311 0.0367
04:01-05:00, Sat., 18 Jul. 0.0448 0.0318 0.0363
03:01-04:00, Sat., 18 Jul. 0.0472 0.0337 0.0409
02:01-03:00, Sat., 18 Jul. 0.0366 0.0299 0.0339
01:01-02:00, Sat., 18 Jul. 0.0367 0.0296 0.0328
00:01-01:00, Sat., 18 Jul. 0.0469 0.0358 0.0399
23:01-24:00, Fri., 17 Jul. 0.0572 0.0434 0.0516
22:01-23:00, Fri., 17 Jul. 0.0554 0.0406 0.0460
21:01-22:00, Fri., 17 Jul. 0.0452 0.0384 0.0415
20:01-21:00, Fri., 17 Jul. 0.0429 0.0357 0.0384
19:01-20:00, Fri., 17 Jul. 0.0375 0.0267 0.0334
18:01-19:00, Fri., 17 Jul. 0.0314 0.0265 0.0286
17:01-18:00, Fri., 17 Jul. 0.0302 0.0250 0.0271
16:01-17:00, Fri., 17 Jul. 0.0282 0.0237 0.0265
15:01-16:00, Fri., 17 Jul. 0.0310 0.0261 0.0281
14:01-15:00, Fri., 17 Jul. 0.0331 0.0281 0.0305
13:01-14:00, Fri., 17 Jul. 0.0310 0.0256 0.0283
12:01-13:00, Fri., 17 Jul. 0.0299 0.0256 0.0280
11:01-12:00, Fri., 17 Jul. 0.0322 0.0268 0.0292
10:01-11:00, Fri., 17 Jul. 0.0369 0.0303 0.0342
09:01-10:00, Fri., 17 Jul. 0.0395 0.0355 0.0371
08:01-09:00, Fri., 17 Jul. 0.0427 0.0353 0.0387
07:01-08:00, Fri., 17 Jul. 0.0429 0.0368 0.0397
06:01-07:00, Fri., 17 Jul. 0.0465 0.0378 0.0415
05:01-06:00, Fri., 17 Jul. 0.0449 0.0364 0.0401
04:01-05:00, Fri., 17 Jul. 0.0400 0.0319 0.0356
03:01-04:00, Fri., 17 Jul. 0.0423 0.0357 0.0389
02:01-03:00, Fri., 17 Jul. 0.0421 0.0312 0.0360
01:01-02:00, Fri., 17 Jul. 0.0344 0.0246 0.0277
00:01-01:00, Fri., 17 Jul. 0.0283 0.0238 0.0263
23:01-24:00, Thu., 16 Jul. 0.0288 0.0242 0.0261
22:01-23:00, Thu., 16 Jul. 0.0284 0.0245 0.0263
21:01-22:00, Thu., 16 Jul. 0.0278 0.0241 0.0262
20:01-21:00, Thu., 16 Jul. 0.0281 0.0241 0.0262
19:01-20:00, Thu., 16 Jul. 0.0282 0.0242 0.0265
18:01-19:00, Thu., 16 Jul. 0.0290 0.0237 0.0263
17:01-18:00, Thu., 16 Jul. 0.0277 0.0245 0.0262
16:01-17:00, Thu., 16 Jul. 0.0283 0.0243 0.0263
15:01-16:00, Thu., 16 Jul. 0.0286 0.0249 0.0264
14:01-15:00, Thu., 16 Jul. 0.0281 0.0244 0.0264
13:01-14:00, Thu., 16 Jul. 0.0287 0.0250 0.0266
12:01-13:00, Thu., 16 Jul. 0.0286 0.0249 0.0265
11:01-12:00, Thu., 16 Jul. 0.0280 0.0240 0.0262
10:01-11:00, Thu., 16 Jul. 0.0282 0.0241 0.0261
09:01-10:00, Thu., 16 Jul. 0.0277 0.0244 0.0262
08:01-09:00, Thu., 16 Jul. 0.0288 0.0246 0.0263
07:01-08:00, Thu., 16 Jul. 0.0281 0.0244 0.0262
06:01-07:00, Thu., 16 Jul. 0.0284 0.0247 0.0264
05:01-06:00, Thu., 16 Jul. 0.0279 0.0241 0.0261
04:01-05:00, Thu., 16 Jul. 0.0285 0.0243 0.0263
03:01-04:00, Thu., 16 Jul. 0.0288 0.0248 0.0263
02:01-03:00, Thu., 16 Jul. 0.0280 0.0241 0.0264
01:01-02:00, Thu., 16 Jul. 0.0288 0.0253 0.0271
00:01-01:00, Thu., 16 Jul. 0.0294 0.0253 0.0275
23:01-24:00, Wed., 15 Jul. 0.0305 0.0263 0.0281
22:01-23:00, Wed., 15 Jul. 0.0309 0.0271 0.0291
21:01-22:00, Wed., 15 Jul. 0.0312 0.0266 0.0290
20:01-21:00, Wed., 15 Jul. 0.0304 0.0263 0.0285
19:01-20:00, Wed., 15 Jul. 0.0321 0.0271 0.0295
18:01-19:00, Wed., 15 Jul. 0.0344 0.0274 0.0317
17:01-18:00, Wed., 15 Jul. 0.0290 0.0249 0.0272
16:01-17:00, Wed., 15 Jul. 0.0313 0.0263 0.0288
15:01-16:00, Wed., 15 Jul. 0.0316 0.0274 0.0296
14:01-15:00, Wed., 15 Jul. 0.0319 0.0280 0.0300
13:01-14:00, Wed., 15 Jul. 0.0323 0.0253 0.0286
12:01-13:00, Wed., 15 Jul. 0.0281 0.0248 0.0265
11:01-12:00, Wed., 15 Jul. 0.0287 0.0249 0.0266
10:01-11:00, Wed., 15 Jul. 0.0294 0.0252 0.0271
09:01-10:00, Wed., 15 Jul. 0.0318 0.0267 0.0292
08:01-09:00, Wed., 15 Jul. 0.0371 0.0302 0.0337
07:01-08:00, Wed., 15 Jul. 0.0370 0.0316 0.0345
06:01-07:00, Wed., 15 Jul. 0.0401 0.0346 0.0372
05:01-06:00, Wed., 15 Jul. 0.0355 0.0260 0.0291
04:01-05:00, Wed., 15 Jul. 0.0288 0.0245 0.0265
03:01-04:00, Wed., 15 Jul. 0.0289 0.0250 0.0267
02:01-03:00, Wed., 15 Jul. 0.0283 0.0249 0.0267
01:01-02:00, Wed., 15 Jul. 0.0293 0.0245 0.0269
00:01-01:00, Wed., 15 Jul. 0.0288 0.0245 0.0269
23:01-24:00, Tue., 14 Jul. 0.0285 0.0248 0.0268
22:01-23:00, Tue., 14 Jul. 0.0285 0.0248 0.0268
21:01-22:00, Tue., 14 Jul. 0.0293 0.0250 0.0266
20:01-21:00, Tue., 14 Jul. 0.0279 0.0239 0.0265
19:01-20:00, Tue., 14 Jul. 0.0281 0.0247 0.0266
18:01-19:00, Tue., 14 Jul. 0.0290 0.0252 0.0268
17:01-18:00, Tue., 14 Jul. 0.0287 0.0248 0.0266
16:01-17:00, Tue., 14 Jul. 0.0287 0.0244 0.0265
15:01-16:00, Tue., 14 Jul. 0.0285 0.0249 0.0268
14:01-15:00, Tue., 14 Jul. 0.0300 0.0250 0.0277
13:01-14:00, Tue., 14 Jul. 0.0344 0.0266 0.0305
12:01-13:00, Tue., 14 Jul. 0.0397 0.0324 0.0357
11:01-12:00, Tue., 14 Jul. 0.0386 0.0321 0.0349
10:01-11:00, Tue., 14 Jul. 0.0417 0.0327 0.0362
09:01-10:00, Tue., 14 Jul. 0.0424 0.0358 0.0382
08:01-09:00, Tue., 14 Jul. 0.0428 0.0351 0.0386
07:01-08:00, Tue., 14 Jul. 0.0365 0.0268 0.0317
06:01-07:00, Tue., 14 Jul. 0.0335 0.0270 0.0304
05:01-06:00, Tue., 14 Jul. 0.0390 0.0310 0.0344
04:01-05:00, Tue., 14 Jul. 0.0373 0.0328 0.0355
03:01-04:00, Tue., 14 Jul. 0.0352 0.0288 0.0316
02:01-03:00, Tue., 14 Jul. 0.0379 0.0300 0.0334
01:01-02:00, Tue., 14 Jul. 0.0393 0.0338 0.0363
00:01-01:00, Tue., 14 Jul. 0.0372 0.0314 0.0344
23:01-24:00, Mon., 13 Jul. 0.0353 0.0307 0.0330
22:01-23:00, Mon., 13 Jul. 0.0365 0.0311 0.0335
21:01-22:00, Mon., 13 Jul. 0.0323 0.0272 0.0297
20:01-21:00, Mon., 13 Jul. 0.0313 0.0252 0.0282
19:01-20:00, Mon., 13 Jul. 0.0285 0.0250 0.0266
18:01-19:00, Mon., 13 Jul. 0.0289 0.0259 0.0272
17:01-18:00, Mon., 13 Jul. 0.0311 0.0258 0.0286
16:01-17:00, Mon., 13 Jul. 0.0339 0.0281 0.0310
15:01-16:00, Mon., 13 Jul. 0.0347 0.0262 0.0297
14:01-15:00, Mon., 13 Jul. 0.0303 0.0239 0.0272
13:01-14:00, Mon., 13 Jul. 0.0280 0.0248 0.0264
12:01-13:00, Mon., 13 Jul. 0.0284 0.0239 0.0263
11:01-12:00, Mon., 13 Jul. 0.0284 0.0250 0.0264
10:01-11:00, Mon., 13 Jul. 0.0282 0.0247 0.0265
09:01-10:00, Mon., 13 Jul. 0.0290 0.0250 0.0265
08:01-09:00, Mon., 13 Jul. 0.0283 0.0246 0.0264
07:01-08:00, Mon., 13 Jul. 0.0287 0.0247 0.0271
06:01-07:00, Mon., 13 Jul. 0.0299 0.0260 0.0278
05:01-06:00, Mon., 13 Jul. 0.0317 0.0260 0.0282
04:01-05:00, Mon., 13 Jul. 0.0291 0.0249 0.0269
03:01-04:00, Mon., 13 Jul. 0.0286 0.0253 0.0269
02:01-03:00, Mon., 13 Jul. 0.0308 0.0261 0.0283
01:01-02:00, Mon., 13 Jul. 0.0357 0.0294 0.0322
00:01-01:00, Mon., 13 Jul. 0.0383 0.0335 0.0359