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
13:01-14:00, Sun., 27 Jul. 0.0339 0.0290 0.0310
12:01-13:00, Sun., 27 Jul. 0.0336 0.0279 0.0310
11:01-12:00, Sun., 27 Jul. 0.0332 0.0278 0.0308
10:01-11:00, Sun., 27 Jul. 0.0335 0.0288 0.0315
09:01-10:00, Sun., 27 Jul. 0.0342 0.0297 0.0320
08:01-09:00, Sun., 27 Jul. 0.0343 0.0293 0.0318
07:01-08:00, Sun., 27 Jul. 0.0343 0.0283 0.0312
06:01-07:00, Sun., 27 Jul. 0.0349 0.0300 0.0315
05:01-06:00, Sun., 27 Jul. 0.0341 0.0293 0.0314
04:01-05:00, Sun., 27 Jul. 0.0334 0.0287 0.0313
03:01-04:00, Sun., 27 Jul. 0.0329 0.0289 0.0314
02:01-03:00, Sun., 27 Jul. 0.0332 0.0289 0.0314
01:01-02:00, Sun., 27 Jul. 0.0328 0.0294 0.0311
00:01-01:00, Sun., 27 Jul. 0.0336 0.0283 0.0311
23:01-24:00, Sat., 26 Jul. 0.0332 0.0287 0.0310
22:01-23:00, Sat., 26 Jul. 0.0336 0.0288 0.0314
21:01-22:00, Sat., 26 Jul. 0.0334 0.0287 0.0309
20:01-21:00, Sat., 26 Jul. 0.0329 0.0289 0.0309
19:01-20:00, Sat., 26 Jul. 0.0336 0.0294 0.0310
18:01-19:00, Sat., 26 Jul. 0.0331 0.0288 0.0308
17:01-18:00, Sat., 26 Jul. 0.0332 0.0278 0.0305
16:01-17:00, Sat., 26 Jul. 0.0334 0.0284 0.0310
15:01-16:00, Sat., 26 Jul. 0.0334 0.0294 0.0312
14:01-15:00, Sat., 26 Jul. 0.0338 0.0290 0.0314
13:01-14:00, Sat., 26 Jul. 0.0333 0.0292 0.0314
12:01-13:00, Sat., 26 Jul. 0.0330 0.0284 0.0310
11:01-12:00, Sat., 26 Jul. 0.0351 0.0283 0.0311
10:01-11:00, Sat., 26 Jul. 0.0339 0.0294 0.0314
09:01-10:00, Sat., 26 Jul. 0.0343 0.0293 0.0320
08:01-09:00, Sat., 26 Jul. 0.0343 0.0298 0.0319
07:01-08:00, Sat., 26 Jul. 0.0339 0.0300 0.0320
06:01-07:00, Sat., 26 Jul. 0.0342 0.0298 0.0316
05:01-06:00, Sat., 26 Jul. 0.0340 0.0297 0.0312
04:01-05:00, Sat., 26 Jul. 0.0333 0.0289 0.0311
03:01-04:00, Sat., 26 Jul. 0.0335 0.0294 0.0311
02:01-03:00, Sat., 26 Jul. 0.0337 0.0287 0.0309
01:01-02:00, Sat., 26 Jul. 0.0332 0.0287 0.0308
00:01-01:00, Sat., 26 Jul. 0.0329 0.0289 0.0311
23:01-24:00, Fri., 25 Jul. 0.0326 0.0284 0.0309
22:01-23:00, Fri., 25 Jul. 0.0332 0.0287 0.0309
21:01-22:00, Fri., 25 Jul. 0.0332 0.0286 0.0310
20:01-21:00, Fri., 25 Jul. 0.0333 0.0284 0.0309
19:01-20:00, Fri., 25 Jul. 0.0332 0.0280 0.0310
18:01-19:00, Fri., 25 Jul. 0.0332 0.0281 0.0305
17:01-18:00, Fri., 25 Jul. 0.0331 0.0287 0.0306
16:01-17:00, Fri., 25 Jul. 0.0325 0.0279 0.0304
15:01-16:00, Fri., 25 Jul. 0.0344 0.0294 0.0312
14:01-15:00, Fri., 25 Jul. 0.0340 0.0293 0.0310
13:01-14:00, Fri., 25 Jul. 0.0328 0.0292 0.0310
12:01-13:00, Fri., 25 Jul. 0.0332 0.0288 0.0310
11:01-12:00, Fri., 25 Jul. 0.0325 0.0287 0.0306
10:01-11:00, Fri., 25 Jul. 0.0325 0.0286 0.0308
09:01-10:00, Fri., 25 Jul. 0.0328 0.0289 0.0310
08:01-09:00, Fri., 25 Jul. 0.0340 0.0287 0.0315
07:01-08:00, Fri., 25 Jul. 0.0342 0.0297 0.0319
06:01-07:00, Fri., 25 Jul. 0.0348 0.0290 0.0319
05:01-06:00, Fri., 25 Jul. 0.0352 0.0294 0.0317
04:01-05:00, Fri., 25 Jul. 0.0333 0.0287 0.0312
03:01-04:00, Fri., 25 Jul. 0.0331 0.0297 0.0313
02:01-03:00, Fri., 25 Jul. 0.0339 0.0284 0.0311
01:01-02:00, Fri., 25 Jul. 0.0339 0.0294 0.0310
00:01-01:00, Fri., 25 Jul. 0.0334 0.0292 0.0311
23:01-24:00, Thu., 24 Jul. 0.0326 0.0288 0.0309
22:01-23:00, Thu., 24 Jul. 0.0336 0.0292 0.0310
21:01-22:00, Thu., 24 Jul. 0.0336 0.0285 0.0312
20:01-21:00, Thu., 24 Jul. 0.0326 0.0283 0.0308
19:01-20:00, Thu., 24 Jul. 0.0326 0.0287 0.0308
18:01-19:00, Thu., 24 Jul. 0.0334 0.0281 0.0306
17:01-18:00, Thu., 24 Jul. 0.0330 0.0283 0.0305
16:01-17:00, Thu., 24 Jul. 0.0325 0.0284 0.0303
15:01-16:00, Thu., 24 Jul. 0.0340 0.0283 0.0311
14:01-15:00, Thu., 24 Jul. 0.0327 0.0284 0.0309
13:01-14:00, Thu., 24 Jul. 0.0336 0.0287 0.0311
12:01-13:00, Thu., 24 Jul. 0.0346 0.0283 0.0309
11:01-12:00, Thu., 24 Jul. 0.0331 0.0280 0.0306
10:01-11:00, Thu., 24 Jul. 0.0328 0.0285 0.0310
09:01-10:00, Thu., 24 Jul. 0.0334 0.0280 0.0309
08:01-09:00, Thu., 24 Jul. 0.0339 0.0281 0.0306
07:01-08:00, Thu., 24 Jul. 0.0332 0.0283 0.0306
06:01-07:00, Thu., 24 Jul. 0.0342 0.0287 0.0311
05:01-06:00, Thu., 24 Jul. 0.0336 0.0286 0.0311
04:01-05:00, Thu., 24 Jul. 0.0336 0.0294 0.0311
03:01-04:00, Thu., 24 Jul. 0.0332 0.0285 0.0310
02:01-03:00, Thu., 24 Jul. 0.0334 0.0286 0.0310
01:01-02:00, Thu., 24 Jul. 0.0329 0.0283 0.0309
00:01-01:00, Thu., 24 Jul. 0.0331 0.0281 0.0306
23:01-24:00, Wed., 23 Jul. 0.0328 0.0288 0.0310
22:01-23:00, Wed., 23 Jul. 0.0329 0.0286 0.0306
21:01-22:00, Wed., 23 Jul. 0.0330 0.0286 0.0305
20:01-21:00, Wed., 23 Jul. 0.0332 0.0289 0.0307
19:01-20:00, Wed., 23 Jul. 0.0327 0.0285 0.0305
18:01-19:00, Wed., 23 Jul. 0.0332 0.0284 0.0305
17:01-18:00, Wed., 23 Jul. 0.0326 0.0287 0.0305
16:01-17:00, Wed., 23 Jul. 0.0326 0.0273 0.0304
15:01-16:00, Wed., 23 Jul. 0.0324 0.0290 0.0308
14:01-15:00, Wed., 23 Jul. 0.0328 0.0281 0.0305
13:01-14:00, Wed., 23 Jul. 0.0332 0.0281 0.0307
12:01-13:00, Wed., 23 Jul. 0.0322 0.0287 0.0303
11:01-12:00, Wed., 23 Jul. 0.0329 0.0283 0.0306
10:01-11:00, Wed., 23 Jul. 0.0334 0.0283 0.0308
09:01-10:00, Wed., 23 Jul. 0.0337 0.0289 0.0315
08:01-09:00, Wed., 23 Jul. 0.0335 0.0284 0.0313
07:01-08:00, Wed., 23 Jul. 0.0326 0.0294 0.0310
06:01-07:00, Wed., 23 Jul. 0.0333 0.0286 0.0307
05:01-06:00, Wed., 23 Jul. 0.0321 0.0288 0.0307
04:01-05:00, Wed., 23 Jul. 0.0335 0.0290 0.0306
03:01-04:00, Wed., 23 Jul. 0.0326 0.0288 0.0308
02:01-03:00, Wed., 23 Jul. 0.0332 0.0283 0.0307
01:01-02:00, Wed., 23 Jul. 0.0329 0.0289 0.0307
00:01-01:00, Wed., 23 Jul. 0.0326 0.0276 0.0307
23:01-24:00, Tue., 22 Jul. 0.0329 0.0288 0.0307
22:01-23:00, Tue., 22 Jul. 0.0326 0.0273 0.0304
21:01-22:00, Tue., 22 Jul. 0.0341 0.0266 0.0306
20:01-21:00, Tue., 22 Jul. 0.0332 0.0279 0.0306
19:01-20:00, Tue., 22 Jul. 0.0329 0.0280 0.0307
18:01-19:00, Tue., 22 Jul. 0.0330 0.0276 0.0304
17:01-18:00, Tue., 22 Jul. 0.0322 0.0277 0.0305
16:01-17:00, Tue., 22 Jul. 0.0342 0.0281 0.0304
15:01-16:00, Tue., 22 Jul. 0.0326 0.0278 0.0299
14:01-15:00, Tue., 22 Jul. 0.0332 0.0285 0.0304
13:01-14:00, Tue., 22 Jul. 0.0325 0.0280 0.0302
12:01-13:00, Tue., 22 Jul. 0.0337 0.0276 0.0301
11:01-12:00, Tue., 22 Jul. 0.0332 0.0280 0.0300
10:01-11:00, Tue., 22 Jul. 0.0321 0.0285 0.0301
09:01-10:00, Tue., 22 Jul. 0.0326 0.0281 0.0303
08:01-09:00, Tue., 22 Jul. 0.0326 0.0282 0.0303
07:01-08:00, Tue., 22 Jul. 0.0327 0.0276 0.0304
06:01-07:00, Tue., 22 Jul. 0.0325 0.0289 0.0305
05:01-06:00, Tue., 22 Jul. 0.0326 0.0287 0.0303
04:01-05:00, Tue., 22 Jul. 0.0326 0.0287 0.0303
03:01-04:00, Tue., 22 Jul. 0.0328 0.0280 0.0300
02:01-03:00, Tue., 22 Jul. 0.0326 0.0287 0.0304
01:01-02:00, Tue., 22 Jul. 0.0334 0.0280 0.0304
00:01-01:00, Tue., 22 Jul. 0.0334 0.0285 0.0305
23:01-24:00, Mon., 21 Jul. 0.0321 0.0287 0.0305
22:01-23:00, Mon., 21 Jul. 0.0318 0.0283 0.0303
21:01-22:00, Mon., 21 Jul. 0.0325 0.0284 0.0303
20:01-21:00, Mon., 21 Jul. 0.0320 0.0278 0.0302
19:01-20:00, Mon., 21 Jul. 0.0322 0.0288 0.0302
18:01-19:00, Mon., 21 Jul. 0.0326 0.0281 0.0303
17:01-18:00, Mon., 21 Jul. 0.0320 0.0279 0.0301
16:01-17:00, Mon., 21 Jul. 0.0324 0.0283 0.0303
15:01-16:00, Mon., 21 Jul. 0.0326 0.0280 0.0305
14:01-15:00, Mon., 21 Jul. 0.0325 0.0282 0.0301
13:01-14:00, Mon., 21 Jul. 0.0318 0.0279 0.0300
12:01-13:00, Mon., 21 Jul. 0.0318 0.0266 0.0301
11:01-12:00, Mon., 21 Jul. 0.0326 0.0280 0.0301
10:01-11:00, Mon., 21 Jul. 0.0320 0.0280 0.0303
09:01-10:00, Mon., 21 Jul. 0.0322 0.0284 0.0302
08:01-09:00, Mon., 21 Jul. 0.0332 0.0286 0.0304
07:01-08:00, Mon., 21 Jul. 0.0325 0.0282 0.0305
06:01-07:00, Mon., 21 Jul. 0.0327 0.0281 0.0304
05:01-06:00, Mon., 21 Jul. 0.0332 0.0283 0.0303
04:01-05:00, Mon., 21 Jul. 0.0326 0.0274 0.0300
03:01-04:00, Mon., 21 Jul. 0.0322 0.0278 0.0299
02:01-03:00, Mon., 21 Jul. 0.0316 0.0283 0.0300
01:01-02:00, Mon., 21 Jul. 0.0321 0.0283 0.0301
00:01-01:00, Mon., 21 Jul. 0.0322 0.0279 0.0302
23:01-24:00, Sun., 20 Jul. 0.0318 0.0278 0.0301
22:01-23:00, Sun., 20 Jul. 0.0328 0.0278 0.0302
21:01-22:00, Sun., 20 Jul. 0.0320 0.0287 0.0302
20:01-21:00, Sun., 20 Jul. 0.0325 0.0282 0.0303
19:01-20:00, Sun., 20 Jul. 0.0328 0.0276 0.0303
18:01-19:00, Sun., 20 Jul. 0.0325 0.0270 0.0300
17:01-18:00, Sun., 20 Jul. 0.0318 0.0275 0.0299
16:01-17:00, Sun., 20 Jul. 0.0320 0.0276 0.0297
15:01-16:00, Sun., 20 Jul. 0.0315 0.0275 0.0297
14:01-15:00, Sun., 20 Jul. 0.0324 0.0282 0.0299
13:01-14:00, Sun., 20 Jul. 0.0319 0.0283 0.0299
12:01-13:00, Sun., 20 Jul. 0.0312 0.0283 0.0298
11:01-12:00, Sun., 20 Jul. 0.0328 0.0278 0.0296
10:01-11:00, Sun., 20 Jul. 0.0318 0.0266 0.0295
09:01-10:00, Sun., 20 Jul. 0.0320 0.0280 0.0298
08:01-09:00, Sun., 20 Jul. 0.0324 0.0273 0.0299
07:01-08:00, Sun., 20 Jul. 0.0318 0.0279 0.0299
06:01-07:00, Sun., 20 Jul. 0.0314 0.0272 0.0296
05:01-06:00, Sun., 20 Jul. 0.0316 0.0276 0.0295
04:01-05:00, Sun., 20 Jul. 0.0317 0.0278 0.0299
03:01-04:00, Sun., 20 Jul. 0.0322 0.0278 0.0300
02:01-03:00, Sun., 20 Jul. 0.0322 0.0285 0.0301
01:01-02:00, Sun., 20 Jul. 0.0328 0.0270 0.0298
00:01-01:00, Sun., 20 Jul. 0.0327 0.0280 0.0301
23:01-24:00, Sat., 19 Jul. 0.0320 0.0276 0.0297
22:01-23:00, Sat., 19 Jul. 0.0322 0.0280 0.0301
21:01-22:00, Sat., 19 Jul. 0.0326 0.0283 0.0303
20:01-21:00, Sat., 19 Jul. 0.0321 0.0276 0.0301
19:01-20:00, Sat., 19 Jul. 0.0320 0.0271 0.0298
18:01-19:00, Sat., 19 Jul. 0.0329 0.0276 0.0297
17:01-18:00, Sat., 19 Jul. 0.0323 0.0280 0.0299
16:01-17:00, Sat., 19 Jul. 0.0323 0.0273 0.0297
15:01-16:00, Sat., 19 Jul. 0.0319 0.0275 0.0296
14:01-15:00, Sat., 19 Jul. 0.0329 0.0269 0.0294
13:01-14:00, Sat., 19 Jul. 0.0322 0.0266 0.0295
12:01-13:00, Sat., 19 Jul. 0.0336 0.0275 0.0292
11:01-12:00, Sat., 19 Jul. 0.0315 0.0278 0.0296
10:01-11:00, Sat., 19 Jul. 0.0318 0.0275 0.0295
09:01-10:00, Sat., 19 Jul. 0.0317 0.0269 0.0294
08:01-09:00, Sat., 19 Jul. 0.0315 0.0273 0.0294
07:01-08:00, Sat., 19 Jul. 0.0313 0.0271 0.0293
06:01-07:00, Sat., 19 Jul. 0.0311 0.0273 0.0292
05:01-06:00, Sat., 19 Jul. 0.0315 0.0274 0.0293
04:01-05:00, Sat., 19 Jul. 0.0322 0.0272 0.0292
03:01-04:00, Sat., 19 Jul. 0.0309 0.0273 0.0293
02:01-03:00, Sat., 19 Jul. 0.0318 0.0270 0.0290
01:01-02:00, Sat., 19 Jul. 0.0308 0.0266 0.0291
00:01-01:00, Sat., 19 Jul. 0.0318 0.0277 0.0295
23:01-24:00, Fri., 18 Jul. 0.0326 0.0274 0.0297
22:01-23:00, Fri., 18 Jul. 0.0321 0.0273 0.0293
21:01-22:00, Fri., 18 Jul. 0.0310 0.0276 0.0295
20:01-21:00, Fri., 18 Jul. 0.0315 0.0273 0.0296
19:01-20:00, Fri., 18 Jul. 0.0328 0.0273 0.0296
18:01-19:00, Fri., 18 Jul. 0.0314 0.0269 0.0295
17:01-18:00, Fri., 18 Jul. 0.0318 0.0270 0.0293
16:01-17:00, Fri., 18 Jul. 0.0308 0.0272 0.0293
15:01-16:00, Fri., 18 Jul. 0.0311 0.0273 0.0293
14:01-15:00, Fri., 18 Jul. 0.0319 0.0273 0.0291
13:01-14:00, Fri., 18 Jul. 0.0311 0.0258 0.0289
12:01-13:00, Fri., 18 Jul. 0.0314 0.0268 0.0290
11:01-12:00, Fri., 18 Jul. 0.0314 0.0266 0.0293
10:01-11:00, Fri., 18 Jul. 0.0314 0.0262 0.0293
09:01-10:00, Fri., 18 Jul. 0.0308 0.0270 0.0291
08:01-09:00, Fri., 18 Jul. 0.0311 0.0266 0.0290
07:01-08:00, Fri., 18 Jul. 0.0310 0.0263 0.0288
06:01-07:00, Fri., 18 Jul. 0.0303 0.0266 0.0287
05:01-06:00, Fri., 18 Jul. 0.0302 0.0260 0.0287
04:01-05:00, Fri., 18 Jul. 0.0314 0.0265 0.0287
03:01-04:00, Fri., 18 Jul. 0.0309 0.0266 0.0286
02:01-03:00, Fri., 18 Jul. 0.0319 0.0270 0.0294
01:01-02:00, Fri., 18 Jul. 0.0314 0.0271 0.0288
00:01-01:00, Fri., 18 Jul. 0.0310 0.0270 0.0289
23:01-24:00, Thu., 17 Jul. 0.0318 0.0270 0.0289
22:01-23:00, Thu., 17 Jul. 0.0311 0.0275 0.0292
21:01-22:00, Thu., 17 Jul. 0.0324 0.0260 0.0291
20:01-21:00, Thu., 17 Jul. 0.0316 0.0272 0.0293
19:01-20:00, Thu., 17 Jul. 0.0311 0.0270 0.0291
18:01-19:00, Thu., 17 Jul. 0.0311 0.0274 0.0291
17:01-18:00, Thu., 17 Jul. 0.0308 0.0265 0.0288
16:01-17:00, Thu., 17 Jul. 0.0315 0.0270 0.0288
15:01-16:00, Thu., 17 Jul. 0.0314 0.0265 0.0289
14:01-15:00, Thu., 17 Jul. 0.0325 0.0264 0.0288