Measurement results by the hour (Chofu) 22 Jun., 2020 - 28 Jun., 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., 28 Jun. 0.0288 0.0252 0.0269
22:01-23:00, Sun., 28 Jun. 0.0289 0.0252 0.0270
21:01-22:00, Sun., 28 Jun. 0.0289 0.0253 0.0269
20:01-21:00, Sun., 28 Jun. 0.0285 0.0248 0.0268
19:01-20:00, Sun., 28 Jun. 0.0287 0.0249 0.0266
18:01-19:00, Sun., 28 Jun. 0.0283 0.0247 0.0269
17:01-18:00, Sun., 28 Jun. 0.0288 0.0248 0.0269
16:01-17:00, Sun., 28 Jun. 0.0287 0.0247 0.0270
15:01-16:00, Sun., 28 Jun. 0.0294 0.0247 0.0271
14:01-15:00, Sun., 28 Jun. 0.0293 0.0259 0.0275
13:01-14:00, Sun., 28 Jun. 0.0324 0.0274 0.0299
12:01-13:00, Sun., 28 Jun. 0.0410 0.0320 0.0364
11:01-12:00, Sun., 28 Jun. 0.0456 0.0372 0.0414
10:01-11:00, Sun., 28 Jun. 0.0494 0.0365 0.0434
09:01-10:00, Sun., 28 Jun. 0.0397 0.0336 0.0358
08:01-09:00, Sun., 28 Jun. 0.0393 0.0328 0.0354
07:01-08:00, Sun., 28 Jun. 0.0387 0.0333 0.0358
06:01-07:00, Sun., 28 Jun. 0.0411 0.0354 0.0379
05:01-06:00, Sun., 28 Jun. 0.0447 0.0368 0.0408
04:01-05:00, Sun., 28 Jun. 0.0445 0.0359 0.0398
03:01-04:00, Sun., 28 Jun. 0.0397 0.0343 0.0362
02:01-03:00, Sun., 28 Jun. 0.0432 0.0354 0.0388
01:01-02:00, Sun., 28 Jun. 0.0431 0.0317 0.0356
00:01-01:00, Sun., 28 Jun. 0.0353 0.0263 0.0299
23:01-24:00, Sat., 27 Jun. 0.0296 0.0258 0.0281
22:01-23:00, Sat., 27 Jun. 0.0297 0.0265 0.0281
21:01-22:00, Sat., 27 Jun. 0.0297 0.0258 0.0279
20:01-21:00, Sat., 27 Jun. 0.0303 0.0265 0.0279
19:01-20:00, Sat., 27 Jun. 0.0296 0.0250 0.0276
18:01-19:00, Sat., 27 Jun. 0.0292 0.0248 0.0274
17:01-18:00, Sat., 27 Jun. 0.0291 0.0251 0.0272
16:01-17:00, Sat., 27 Jun. 0.0292 0.0254 0.0274
15:01-16:00, Sat., 27 Jun. 0.0294 0.0247 0.0272
14:01-15:00, Sat., 27 Jun. 0.0291 0.0254 0.0271
13:01-14:00, Sat., 27 Jun. 0.0290 0.0254 0.0269
12:01-13:00, Sat., 27 Jun. 0.0292 0.0251 0.0271
11:01-12:00, Sat., 27 Jun. 0.0287 0.0257 0.0271
10:01-11:00, Sat., 27 Jun. 0.0296 0.0254 0.0273
09:01-10:00, Sat., 27 Jun. 0.0297 0.0252 0.0271
08:01-09:00, Sat., 27 Jun. 0.0290 0.0247 0.0269
07:01-08:00, Sat., 27 Jun. 0.0293 0.0254 0.0271
06:01-07:00, Sat., 27 Jun. 0.0291 0.0257 0.0270
05:01-06:00, Sat., 27 Jun. 0.0288 0.0257 0.0274
04:01-05:00, Sat., 27 Jun. 0.0291 0.0250 0.0274
03:01-04:00, Sat., 27 Jun. 0.0291 0.0260 0.0275
02:01-03:00, Sat., 27 Jun. 0.0294 0.0257 0.0272
01:01-02:00, Sat., 27 Jun. 0.0291 0.0258 0.0277
00:01-01:00, Sat., 27 Jun. 0.0297 0.0256 0.0276
23:01-24:00, Fri., 26 Jun. 0.0296 0.0259 0.0275
22:01-23:00, Fri., 26 Jun. 0.0296 0.0256 0.0274
21:01-22:00, Fri., 26 Jun. 0.0290 0.0255 0.0274
20:01-21:00, Fri., 26 Jun. 0.0295 0.0248 0.0269
19:01-20:00, Fri., 26 Jun. 0.0285 0.0252 0.0268
18:01-19:00, Fri., 26 Jun. 0.0296 0.0253 0.0273
17:01-18:00, Fri., 26 Jun. 0.0298 0.0259 0.0274
16:01-17:00, Fri., 26 Jun. 0.0294 0.0250 0.0273
15:01-16:00, Fri., 26 Jun. 0.0292 0.0247 0.0269
14:01-15:00, Fri., 26 Jun. 0.0285 0.0247 0.0268
13:01-14:00, Fri., 26 Jun. 0.0285 0.0251 0.0267
12:01-13:00, Fri., 26 Jun. 0.0284 0.0252 0.0267
11:01-12:00, Fri., 26 Jun. 0.0282 0.0244 0.0265
10:01-11:00, Fri., 26 Jun. 0.0285 0.0253 0.0267
09:01-10:00, Fri., 26 Jun. 0.0288 0.0251 0.0267
08:01-09:00, Fri., 26 Jun. 0.0288 0.0243 0.0266
07:01-08:00, Fri., 26 Jun. 0.0286 0.0253 0.0265
06:01-07:00, Fri., 26 Jun. 0.0280 0.0240 0.0266
05:01-06:00, Fri., 26 Jun. 0.0284 0.0248 0.0267
04:01-05:00, Fri., 26 Jun. 0.0284 0.0243 0.0267
03:01-04:00, Fri., 26 Jun. 0.0283 0.0246 0.0267
02:01-03:00, Fri., 26 Jun. 0.0282 0.0245 0.0264
01:01-02:00, Fri., 26 Jun. 0.0284 0.0250 0.0267
00:01-01:00, Fri., 26 Jun. 0.0288 0.0245 0.0269
23:01-24:00, Thu., 25 Jun. 0.0285 0.0248 0.0266
22:01-23:00, Thu., 25 Jun. 0.0297 0.0246 0.0268
21:01-22:00, Thu., 25 Jun. 0.0285 0.0244 0.0267
20:01-21:00, Thu., 25 Jun. 0.0282 0.0241 0.0265
19:01-20:00, Thu., 25 Jun. 0.0281 0.0248 0.0265
18:01-19:00, Thu., 25 Jun. 0.0285 0.0248 0.0266
17:01-18:00, Thu., 25 Jun. 0.0280 0.0251 0.0264
16:01-17:00, Thu., 25 Jun. 0.0284 0.0250 0.0265
15:01-16:00, Thu., 25 Jun. 0.0279 0.0247 0.0265
14:01-15:00, Thu., 25 Jun. 0.0279 0.0249 0.0262
13:01-14:00, Thu., 25 Jun. 0.0284 0.0245 0.0262
12:01-13:00, Thu., 25 Jun. 0.0294 0.0248 0.0268
11:01-12:00, Thu., 25 Jun. 0.0282 0.0256 0.0268
10:01-11:00, Thu., 25 Jun. 0.0300 0.0243 0.0274
09:01-10:00, Thu., 25 Jun. 0.0317 0.0270 0.0293
08:01-09:00, Thu., 25 Jun. 0.0328 0.0286 0.0307
07:01-08:00, Thu., 25 Jun. 0.0339 0.0301 0.0319
06:01-07:00, Thu., 25 Jun. 0.0319 0.0276 0.0298
05:01-06:00, Thu., 25 Jun. 0.0312 0.0282 0.0296
04:01-05:00, Thu., 25 Jun. 0.0320 0.0270 0.0293
03:01-04:00, Thu., 25 Jun. 0.0315 0.0257 0.0283
02:01-03:00, Thu., 25 Jun. 0.0290 0.0244 0.0267
01:01-02:00, Thu., 25 Jun. 0.0288 0.0249 0.0268
00:01-01:00, Thu., 25 Jun. 0.0284 0.0250 0.0267
23:01-24:00, Wed., 24 Jun. 0.0292 0.0253 0.0269
22:01-23:00, Wed., 24 Jun. 0.0292 0.0253 0.0273
21:01-22:00, Wed., 24 Jun. 0.0296 0.0245 0.0267
20:01-21:00, Wed., 24 Jun. 0.0292 0.0245 0.0267
19:01-20:00, Wed., 24 Jun. 0.0289 0.0247 0.0266
18:01-19:00, Wed., 24 Jun. 0.0291 0.0248 0.0268
17:01-18:00, Wed., 24 Jun. 0.0291 0.0248 0.0266
16:01-17:00, Wed., 24 Jun. 0.0285 0.0250 0.0267
15:01-16:00, Wed., 24 Jun. 0.0284 0.0250 0.0267
14:01-15:00, Wed., 24 Jun. 0.0284 0.0252 0.0268
13:01-14:00, Wed., 24 Jun. 0.0281 0.0246 0.0264
12:01-13:00, Wed., 24 Jun. 0.0286 0.0252 0.0269
11:01-12:00, Wed., 24 Jun. 0.0293 0.0252 0.0271
10:01-11:00, Wed., 24 Jun. 0.0304 0.0260 0.0280
09:01-10:00, Wed., 24 Jun. 0.0305 0.0257 0.0285
08:01-09:00, Wed., 24 Jun. 0.0306 0.0251 0.0274
07:01-08:00, Wed., 24 Jun. 0.0288 0.0252 0.0271
06:01-07:00, Wed., 24 Jun. 0.0287 0.0245 0.0267
05:01-06:00, Wed., 24 Jun. 0.0283 0.0250 0.0269
04:01-05:00, Wed., 24 Jun. 0.0290 0.0251 0.0270
03:01-04:00, Wed., 24 Jun. 0.0291 0.0257 0.0275
02:01-03:00, Wed., 24 Jun. 0.0286 0.0254 0.0271
01:01-02:00, Wed., 24 Jun. 0.0287 0.0245 0.0268
00:01-01:00, Wed., 24 Jun. 0.0295 0.0252 0.0272
23:01-24:00, Tue., 23 Jun. 0.0286 0.0248 0.0267
22:01-23:00, Tue., 23 Jun. 0.0281 0.0253 0.0268
21:01-22:00, Tue., 23 Jun. 0.0287 0.0245 0.0266
20:01-21:00, Tue., 23 Jun. 0.0286 0.0248 0.0268
19:01-20:00, Tue., 23 Jun. 0.0291 0.0248 0.0269
18:01-19:00, Tue., 23 Jun. 0.0289 0.0253 0.0270
17:01-18:00, Tue., 23 Jun. 0.0299 0.0242 0.0268
16:01-17:00, Tue., 23 Jun. 0.0287 0.0253 0.0268
15:01-16:00, Tue., 23 Jun. 0.0290 0.0250 0.0272
14:01-15:00, Tue., 23 Jun. 0.0291 0.0242 0.0269
13:01-14:00, Tue., 23 Jun. 0.0289 0.0244 0.0267
12:01-13:00, Tue., 23 Jun. 0.0284 0.0246 0.0266
11:01-12:00, Tue., 23 Jun. 0.0282 0.0243 0.0265
10:01-11:00, Tue., 23 Jun. 0.0281 0.0251 0.0266
09:01-10:00, Tue., 23 Jun. 0.0295 0.0248 0.0268
08:01-09:00, Tue., 23 Jun. 0.0301 0.0253 0.0277
07:01-08:00, Tue., 23 Jun. 0.0325 0.0277 0.0304
06:01-07:00, Tue., 23 Jun. 0.0336 0.0286 0.0311
05:01-06:00, Tue., 23 Jun. 0.0329 0.0283 0.0308
04:01-05:00, Tue., 23 Jun. 0.0339 0.0272 0.0305
03:01-04:00, Tue., 23 Jun. 0.0300 0.0251 0.0274
02:01-03:00, Tue., 23 Jun. 0.0313 0.0272 0.0292
01:01-02:00, Tue., 23 Jun. 0.0356 0.0298 0.0326
00:01-01:00, Tue., 23 Jun. 0.0366 0.0326 0.0344
23:01-24:00, Mon., 22 Jun. 0.0338 0.0247 0.0293
22:01-23:00, Mon., 22 Jun. 0.0296 0.0255 0.0273
21:01-22:00, Mon., 22 Jun. 0.0309 0.0260 0.0284
20:01-21:00, Mon., 22 Jun. 0.0303 0.0256 0.0278
19:01-20:00, Mon., 22 Jun. 0.0294 0.0249 0.0273
18:01-19:00, Mon., 22 Jun. 0.0291 0.0255 0.0273
17:01-18:00, Mon., 22 Jun. 0.0305 0.0260 0.0283
16:01-17:00, Mon., 22 Jun. 0.0352 0.0276 0.0313
15:01-16:00, Mon., 22 Jun. 0.0374 0.0332 0.0354
14:01-15:00, Mon., 22 Jun. 0.0387 0.0325 0.0353
13:01-14:00, Mon., 22 Jun. 0.0477 0.0359 0.0418
12:01-13:00, Mon., 22 Jun. 0.0459 0.0324 0.0382
11:01-12:00, Mon., 22 Jun. 0.0368 0.0306 0.0339
10:01-11:00, Mon., 22 Jun. 0.0321 0.0264 0.0293
09:01-10:00, Mon., 22 Jun. 0.0329 0.0274 0.0294
08:01-09:00, Mon., 22 Jun. 0.0354 0.0304 0.0324
07:01-08:00, Mon., 22 Jun. 0.0346 0.0259 0.0300
06:01-07:00, Mon., 22 Jun. 0.0299 0.0249 0.0273
05:01-06:00, Mon., 22 Jun. 0.0283 0.0254 0.0269
04:01-05:00, Mon., 22 Jun. 0.0290 0.0254 0.0271
03:01-04:00, Mon., 22 Jun. 0.0284 0.0245 0.0268
02:01-03:00, Mon., 22 Jun. 0.0295 0.0249 0.0270
01:01-02:00, Mon., 22 Jun. 0.0289 0.0244 0.0268
00:01-01:00, Mon., 22 Jun. 0.0284 0.0247 0.0269