Radiation doses in the air / Measurement results by the hour (Adachi)

We continuously measure radiation doses in the air (air absorbed doses per hour) at monitoring posts. Measurement results can be obtained by the minute, and we gather measurement data and then display them by the hour or by the day.

The maximum value indicates the largest value measured in each time slot (during the hour or during the day), the minimum value the smallest value measured in each time slot, and the average value is the average value for each time slot.

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
14:01-15:00, Sat., 27 Jul. 0.0322 0.0276 0.0294
13:01-14:00, Sat., 27 Jul. 0.0325 0.0265 0.0294
12:01-13:00, Sat., 27 Jul. 0.0320 0.0273 0.0296
11:01-12:00, Sat., 27 Jul. 0.0325 0.0273 0.0292
10:01-11:00, Sat., 27 Jul. 0.0308 0.0270 0.0295
09:01-10:00, Sat., 27 Jul. 0.0319 0.0272 0.0298
08:01-09:00, Sat., 27 Jul. 0.0315 0.0271 0.0298
07:01-08:00, Sat., 27 Jul. 0.0325 0.0277 0.0298
06:01-07:00, Sat., 27 Jul. 0.0318 0.0276 0.0298
05:01-06:00, Sat., 27 Jul. 0.0329 0.0277 0.0301
04:01-05:00, Sat., 27 Jul. 0.0322 0.0280 0.0300
03:01-04:00, Sat., 27 Jul. 0.0318 0.0278 0.0299
02:01-03:00, Sat., 27 Jul. 0.0326 0.0275 0.0300
01:01-02:00, Sat., 27 Jul. 0.0318 0.0275 0.0299
00:01-01:00, Sat., 27 Jul. 0.0326 0.0280 0.0301
23:01-24:00, Fri., 26 Jul. 0.0345 0.0285 0.0313
22:01-23:00, Fri., 26 Jul. 0.0388 0.0316 0.0349
21:01-22:00, Fri., 26 Jul. 0.0395 0.0287 0.0342
20:01-21:00, Fri., 26 Jul. 0.0315 0.0270 0.0291
19:01-20:00, Fri., 26 Jul. 0.0313 0.0269 0.0293
18:01-19:00, Fri., 26 Jul. 0.0311 0.0270 0.0291
17:01-18:00, Fri., 26 Jul. 0.0312 0.0270 0.0292
16:01-17:00, Fri., 26 Jul. 0.0313 0.0269 0.0291
15:01-16:00, Fri., 26 Jul. 0.0312 0.0266 0.0291
14:01-15:00, Fri., 26 Jul. 0.0313 0.0270 0.0293
13:01-14:00, Fri., 26 Jul. 0.0311 0.0270 0.0294
12:01-13:00, Fri., 26 Jul. 0.0316 0.0279 0.0292
11:01-12:00, Fri., 26 Jul. 0.0312 0.0270 0.0291
10:01-11:00, Fri., 26 Jul. 0.0318 0.0271 0.0291
09:01-10:00, Fri., 26 Jul. 0.0320 0.0280 0.0296
08:01-09:00, Fri., 26 Jul. 0.0319 0.0280 0.0299
07:01-08:00, Fri., 26 Jul. 0.0319 0.0272 0.0298
06:01-07:00, Fri., 26 Jul. 0.0314 0.0276 0.0293
05:01-06:00, Fri., 26 Jul. 0.0318 0.0279 0.0296
04:01-05:00, Fri., 26 Jul. 0.0318 0.0270 0.0293
03:01-04:00, Fri., 26 Jul. 0.0318 0.0270 0.0294
02:01-03:00, Fri., 26 Jul. 0.0318 0.0270 0.0294
01:01-02:00, Fri., 26 Jul. 0.0319 0.0275 0.0294
00:01-01:00, Fri., 26 Jul. 0.0312 0.0268 0.0293
23:01-24:00, Thu., 25 Jul. 0.0314 0.0267 0.0296
22:01-23:00, Thu., 25 Jul. 0.0320 0.0273 0.0296
21:01-22:00, Thu., 25 Jul. 0.0346 0.0283 0.0309
20:01-21:00, Thu., 25 Jul. 0.0414 0.0303 0.0353
19:01-20:00, Thu., 25 Jul. 0.0551 0.0400 0.0480
18:01-19:00, Thu., 25 Jul. 0.0551 0.0296 0.0400
17:01-18:00, Thu., 25 Jul. 0.0311 0.0264 0.0297
16:01-17:00, Thu., 25 Jul. 0.0318 0.0266 0.0290
15:01-16:00, Thu., 25 Jul. 0.0318 0.0270 0.0291
14:01-15:00, Thu., 25 Jul. 0.0315 0.0276 0.0296
13:01-14:00, Thu., 25 Jul. 0.0333 0.0278 0.0295
12:01-13:00, Thu., 25 Jul. 0.0311 0.0276 0.0294
11:01-12:00, Thu., 25 Jul. 0.0319 0.0275 0.0291
10:01-11:00, Thu., 25 Jul. 0.0323 0.0270 0.0297
09:01-10:00, Thu., 25 Jul. 0.0321 0.0275 0.0301
08:01-09:00, Thu., 25 Jul. 0.0322 0.0277 0.0299
07:01-08:00, Thu., 25 Jul. 0.0317 0.0283 0.0299
06:01-07:00, Thu., 25 Jul. 0.0322 0.0280 0.0300
05:01-06:00, Thu., 25 Jul. 0.0327 0.0276 0.0300
04:01-05:00, Thu., 25 Jul. 0.0319 0.0271 0.0299
03:01-04:00, Thu., 25 Jul. 0.0330 0.0276 0.0301
02:01-03:00, Thu., 25 Jul. 0.0322 0.0277 0.0301
01:01-02:00, Thu., 25 Jul. 0.0326 0.0283 0.0303
00:01-01:00, Thu., 25 Jul. 0.0329 0.0272 0.0301
23:01-24:00, Wed., 24 Jul. 0.0319 0.0269 0.0298
22:01-23:00, Wed., 24 Jul. 0.0318 0.0270 0.0298
21:01-22:00, Wed., 24 Jul. 0.0315 0.0276 0.0296
20:01-21:00, Wed., 24 Jul. 0.0329 0.0268 0.0293
19:01-20:00, Wed., 24 Jul. 0.0312 0.0274 0.0294
18:01-19:00, Wed., 24 Jul. 0.0312 0.0270 0.0290
17:01-18:00, Wed., 24 Jul. 0.0319 0.0259 0.0289
16:01-17:00, Wed., 24 Jul. 0.0322 0.0270 0.0292
15:01-16:00, Wed., 24 Jul. 0.0336 0.0279 0.0305
14:01-15:00, Wed., 24 Jul. 0.0381 0.0299 0.0342
13:01-14:00, Wed., 24 Jul. 0.0447 0.0356 0.0411
12:01-13:00, Wed., 24 Jul. 0.0418 0.0277 0.0307
11:01-12:00, Wed., 24 Jul. 0.0322 0.0273 0.0294
10:01-11:00, Wed., 24 Jul. 0.0325 0.0274 0.0294
09:01-10:00, Wed., 24 Jul. 0.0328 0.0279 0.0296
08:01-09:00, Wed., 24 Jul. 0.0322 0.0277 0.0295
07:01-08:00, Wed., 24 Jul. 0.0315 0.0279 0.0298
06:01-07:00, Wed., 24 Jul. 0.0322 0.0276 0.0300
05:01-06:00, Wed., 24 Jul. 0.0315 0.0282 0.0299
04:01-05:00, Wed., 24 Jul. 0.0322 0.0273 0.0298
03:01-04:00, Wed., 24 Jul. 0.0316 0.0271 0.0296
02:01-03:00, Wed., 24 Jul. 0.0323 0.0274 0.0297
01:01-02:00, Wed., 24 Jul. 0.0316 0.0273 0.0295
00:01-01:00, Wed., 24 Jul. 0.0313 0.0271 0.0295
23:01-24:00, Tue., 23 Jul. 0.0318 0.0270 0.0294
22:01-23:00, Tue., 23 Jul. 0.0315 0.0276 0.0292
21:01-22:00, Tue., 23 Jul. 0.0320 0.0265 0.0289
20:01-21:00, Tue., 23 Jul. 0.0319 0.0268 0.0293
19:01-20:00, Tue., 23 Jul. 0.0314 0.0273 0.0290
18:01-19:00, Tue., 23 Jul. 0.0314 0.0270 0.0290
17:01-18:00, Tue., 23 Jul. 0.0315 0.0270 0.0289
16:01-17:00, Tue., 23 Jul. 0.0318 0.0267 0.0291
15:01-16:00, Tue., 23 Jul. 0.0315 0.0274 0.0289
14:01-15:00, Tue., 23 Jul. 0.0311 0.0279 0.0296
13:01-14:00, Tue., 23 Jul. 0.0321 0.0270 0.0295
12:01-13:00, Tue., 23 Jul. 0.0313 0.0276 0.0293
11:01-12:00, Tue., 23 Jul. 0.0316 0.0272 0.0291
10:01-11:00, Tue., 23 Jul. 0.0324 0.0271 0.0296
09:01-10:00, Tue., 23 Jul. 0.0317 0.0275 0.0295
08:01-09:00, Tue., 23 Jul. 0.0324 0.0276 0.0296
07:01-08:00, Tue., 23 Jul. 0.0324 0.0276 0.0297
06:01-07:00, Tue., 23 Jul. 0.0324 0.0273 0.0296
05:01-06:00, Tue., 23 Jul. 0.0314 0.0269 0.0292
04:01-05:00, Tue., 23 Jul. 0.0311 0.0269 0.0292
03:01-04:00, Tue., 23 Jul. 0.0315 0.0269 0.0290
02:01-03:00, Tue., 23 Jul. 0.0308 0.0263 0.0289
01:01-02:00, Tue., 23 Jul. 0.0311 0.0273 0.0293
00:01-01:00, Tue., 23 Jul. 0.0337 0.0289 0.0310
23:01-24:00, Mon., 22 Jul. 0.0398 0.0310 0.0351
22:01-23:00, Mon., 22 Jul. 0.0531 0.0379 0.0465
21:01-22:00, Mon., 22 Jul. 0.0518 0.0269 0.0382
20:01-21:00, Mon., 22 Jul. 0.0325 0.0280 0.0303
19:01-20:00, Mon., 22 Jul. 0.0325 0.0280 0.0305
18:01-19:00, Mon., 22 Jul. 0.0351 0.0287 0.0316
17:01-18:00, Mon., 22 Jul. 0.0465 0.0330 0.0388
16:01-17:00, Mon., 22 Jul. 0.0750 0.0457 0.0594
15:01-16:00, Mon., 22 Jul. 0.0807 0.0286 0.0587
14:01-15:00, Mon., 22 Jul. 0.0319 0.0276 0.0302
13:01-14:00, Mon., 22 Jul. 0.0323 0.0281 0.0300
12:01-13:00, Mon., 22 Jul. 0.0328 0.0276 0.0298
11:01-12:00, Mon., 22 Jul. 0.0322 0.0274 0.0297
10:01-11:00, Mon., 22 Jul. 0.0315 0.0273 0.0294
09:01-10:00, Mon., 22 Jul. 0.0318 0.0277 0.0298
08:01-09:00, Mon., 22 Jul. 0.0312 0.0275 0.0294
07:01-08:00, Mon., 22 Jul. 0.0325 0.0281 0.0301
06:01-07:00, Mon., 22 Jul. 0.0322 0.0282 0.0301
05:01-06:00, Mon., 22 Jul. 0.0326 0.0285 0.0302
04:01-05:00, Mon., 22 Jul. 0.0319 0.0279 0.0298
03:01-04:00, Mon., 22 Jul. 0.0311 0.0272 0.0294
02:01-03:00, Mon., 22 Jul. 0.0329 0.0266 0.0296
01:01-02:00, Mon., 22 Jul. 0.0314 0.0273 0.0294
00:01-01:00, Mon., 22 Jul. 0.0318 0.0279 0.0300
23:01-24:00, Sun., 21 Jul. 0.0318 0.0279 0.0298
22:01-23:00, Sun., 21 Jul. 0.0317 0.0279 0.0297
21:01-22:00, Sun., 21 Jul. 0.0312 0.0279 0.0299
20:01-21:00, Sun., 21 Jul. 0.0318 0.0277 0.0297
19:01-20:00, Sun., 21 Jul. 0.0322 0.0276 0.0296
18:01-19:00, Sun., 21 Jul. 0.0314 0.0279 0.0296
17:01-18:00, Sun., 21 Jul. 0.0321 0.0276 0.0293
16:01-17:00, Sun., 21 Jul. 0.0315 0.0276 0.0290
15:01-16:00, Sun., 21 Jul. 0.0320 0.0273 0.0294
14:01-15:00, Sun., 21 Jul. 0.0315 0.0270 0.0293
13:01-14:00, Sun., 21 Jul. 0.0315 0.0265 0.0292
12:01-13:00, Sun., 21 Jul. 0.0320 0.0272 0.0294
11:01-12:00, Sun., 21 Jul. 0.0317 0.0271 0.0294
10:01-11:00, Sun., 21 Jul. 0.0329 0.0279 0.0294
09:01-10:00, Sun., 21 Jul. 0.0315 0.0275 0.0295
08:01-09:00, Sun., 21 Jul. 0.0314 0.0272 0.0297
07:01-08:00, Sun., 21 Jul. 0.0318 0.0271 0.0294
06:01-07:00, Sun., 21 Jul. 0.0331 0.0276 0.0306
05:01-06:00, Sun., 21 Jul. 0.0388 0.0306 0.0341
04:01-05:00, Sun., 21 Jul. 0.0413 0.0299 0.0356
03:01-04:00, Sun., 21 Jul. 0.0342 0.0294 0.0321
02:01-03:00, Sun., 21 Jul. 0.0338 0.0287 0.0309
01:01-02:00, Sun., 21 Jul. 0.0417 0.0319 0.0364
00:01-01:00, Sun., 21 Jul. 0.0581 0.0423 0.0503
23:01-24:00, Sat., 20 Jul. 0.0552 0.0373 0.0458
22:01-23:00, Sat., 20 Jul. 0.0399 0.0310 0.0351
21:01-22:00, Sat., 20 Jul. 0.0425 0.0330 0.0372
20:01-21:00, Sat., 20 Jul. 0.0447 0.0383 0.0410
19:01-20:00, Sat., 20 Jul. 0.0416 0.0284 0.0344
18:01-19:00, Sat., 20 Jul. 0.0329 0.0274 0.0299
17:01-18:00, Sat., 20 Jul. 0.0322 0.0275 0.0297
16:01-17:00, Sat., 20 Jul. 0.0319 0.0273 0.0295
15:01-16:00, Sat., 20 Jul. 0.0315 0.0278 0.0295
14:01-15:00, Sat., 20 Jul. 0.0326 0.0265 0.0296
13:01-14:00, Sat., 20 Jul. 0.0339 0.0266 0.0296
12:01-13:00, Sat., 20 Jul. 0.0324 0.0276 0.0298
11:01-12:00, Sat., 20 Jul. 0.0313 0.0271 0.0295
10:01-11:00, Sat., 20 Jul. 0.0324 0.0270 0.0298
09:01-10:00, Sat., 20 Jul. 0.0333 0.0279 0.0303
08:01-09:00, Sat., 20 Jul. 0.0325 0.0280 0.0302
07:01-08:00, Sat., 20 Jul. 0.0329 0.0270 0.0300
06:01-07:00, Sat., 20 Jul. 0.0325 0.0278 0.0301
05:01-06:00, Sat., 20 Jul. 0.0327 0.0284 0.0305
04:01-05:00, Sat., 20 Jul. 0.0336 0.0284 0.0307
03:01-04:00, Sat., 20 Jul. 0.0315 0.0273 0.0297
02:01-03:00, Sat., 20 Jul. 0.0324 0.0278 0.0297
01:01-02:00, Sat., 20 Jul. 0.0329 0.0270 0.0295
00:01-01:00, Sat., 20 Jul. 0.0322 0.0275 0.0298
23:01-24:00, Fri., 19 Jul. 0.0324 0.0283 0.0300
22:01-23:00, Fri., 19 Jul. 0.0318 0.0276 0.0298
21:01-22:00, Fri., 19 Jul. 0.0322 0.0273 0.0296
20:01-21:00, Fri., 19 Jul. 0.0311 0.0274 0.0296
19:01-20:00, Fri., 19 Jul. 0.0314 0.0277 0.0295
18:01-19:00, Fri., 19 Jul. 0.0317 0.0273 0.0295
17:01-18:00, Fri., 19 Jul. 0.0315 0.0267 0.0292
16:01-17:00, Fri., 19 Jul. 0.0313 0.0270 0.0289
15:01-16:00, Fri., 19 Jul. 0.0325 0.0271 0.0294
14:01-15:00, Fri., 19 Jul. 0.0343 0.0270 0.0295
13:01-14:00, Fri., 19 Jul. 0.0315 0.0259 0.0287
12:01-13:00, Fri., 19 Jul. 0.0325 0.0270 0.0288
11:01-12:00, Fri., 19 Jul. 0.0304 0.0266 0.0288
10:01-11:00, Fri., 19 Jul. 0.0312 0.0266 0.0290
09:01-10:00, Fri., 19 Jul. 0.0322 0.0265 0.0291
08:01-09:00, Fri., 19 Jul. 0.0319 0.0266 0.0298
07:01-08:00, Fri., 19 Jul. 0.0318 0.0271 0.0299
06:01-07:00, Fri., 19 Jul. 0.0321 0.0276 0.0295
05:01-06:00, Fri., 19 Jul. 0.0308 0.0271 0.0290
04:01-05:00, Fri., 19 Jul. 0.0311 0.0273 0.0292
03:01-04:00, Fri., 19 Jul. 0.0315 0.0262 0.0292
02:01-03:00, Fri., 19 Jul. 0.0311 0.0272 0.0292
01:01-02:00, Fri., 19 Jul. 0.0316 0.0274 0.0294
00:01-01:00, Fri., 19 Jul. 0.0311 0.0268 0.0293
23:01-24:00, Thu., 18 Jul. 0.0311 0.0267 0.0295
22:01-23:00, Thu., 18 Jul. 0.0318 0.0271 0.0294
21:01-22:00, Thu., 18 Jul. 0.0317 0.0274 0.0296
20:01-21:00, Thu., 18 Jul. 0.0314 0.0280 0.0296
19:01-20:00, Thu., 18 Jul. 0.0319 0.0275 0.0298
18:01-19:00, Thu., 18 Jul. 0.0315 0.0267 0.0294
17:01-18:00, Thu., 18 Jul. 0.0315 0.0261 0.0296
16:01-17:00, Thu., 18 Jul. 0.0313 0.0270 0.0294
15:01-16:00, Thu., 18 Jul. 0.0320 0.0263 0.0291
14:01-15:00, Thu., 18 Jul. 0.0311 0.0273 0.0292
13:01-14:00, Thu., 18 Jul. 0.0329 0.0271 0.0293
12:01-13:00, Thu., 18 Jul. 0.0308 0.0264 0.0288
11:01-12:00, Thu., 18 Jul. 0.0313 0.0270 0.0291
10:01-11:00, Thu., 18 Jul. 0.0317 0.0274 0.0293
09:01-10:00, Thu., 18 Jul. 0.0313 0.0275 0.0291
08:01-09:00, Thu., 18 Jul. 0.0310 0.0270 0.0293
07:01-08:00, Thu., 18 Jul. 0.0314 0.0263 0.0291
06:01-07:00, Thu., 18 Jul. 0.0312 0.0268 0.0288
05:01-06:00, Thu., 18 Jul. 0.0308 0.0270 0.0288
04:01-05:00, Thu., 18 Jul. 0.0309 0.0265 0.0284
03:01-04:00, Thu., 18 Jul. 0.0314 0.0265 0.0288
02:01-03:00, Thu., 18 Jul. 0.0304 0.0265 0.0286
01:01-02:00, Thu., 18 Jul. 0.0313 0.0259 0.0288
00:01-01:00, Thu., 18 Jul. 0.0315 0.0267 0.0289
23:01-24:00, Wed., 17 Jul. 0.0311 0.0270 0.0290
22:01-23:00, Wed., 17 Jul. 0.0315 0.0256 0.0292
21:01-22:00, Wed., 17 Jul. 0.0319 0.0271 0.0295
20:01-21:00, Wed., 17 Jul. 0.0312 0.0274 0.0293
19:01-20:00, Wed., 17 Jul. 0.0319 0.0273 0.0293
18:01-19:00, Wed., 17 Jul. 0.0308 0.0273 0.0291
17:01-18:00, Wed., 17 Jul. 0.0324 0.0275 0.0294
16:01-17:00, Wed., 17 Jul. 0.0320 0.0269 0.0293
15:01-16:00, Wed., 17 Jul. 0.0318 0.0269 0.0292