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
09:01-10:00, Sun., 07 Dec. 0.0346 0.0301 0.0320
08:01-09:00, Sun., 07 Dec. 0.0339 0.0294 0.0320
07:01-08:00, Sun., 07 Dec. 0.0347 0.0301 0.0321
06:01-07:00, Sun., 07 Dec. 0.0349 0.0303 0.0321
05:01-06:00, Sun., 07 Dec. 0.0339 0.0300 0.0319
04:01-05:00, Sun., 07 Dec. 0.0343 0.0294 0.0322
03:01-04:00, Sun., 07 Dec. 0.0340 0.0302 0.0318
02:01-03:00, Sun., 07 Dec. 0.0342 0.0286 0.0312
01:01-02:00, Sun., 07 Dec. 0.0327 0.0292 0.0312
00:01-01:00, Sun., 07 Dec. 0.0325 0.0289 0.0307
23:01-24:00, Sat., 06 Dec. 0.0325 0.0289 0.0307
22:01-23:00, Sat., 06 Dec. 0.0334 0.0284 0.0304
21:01-22:00, Sat., 06 Dec. 0.0323 0.0282 0.0302
20:01-21:00, Sat., 06 Dec. 0.0329 0.0278 0.0301
19:01-20:00, Sat., 06 Dec. 0.0322 0.0280 0.0297
18:01-19:00, Sat., 06 Dec. 0.0314 0.0273 0.0294
17:01-18:00, Sat., 06 Dec. 0.0313 0.0270 0.0294
16:01-17:00, Sat., 06 Dec. 0.0311 0.0272 0.0294
15:01-16:00, Sat., 06 Dec. 0.0314 0.0268 0.0296
14:01-15:00, Sat., 06 Dec. 0.0318 0.0278 0.0297
13:01-14:00, Sat., 06 Dec. 0.0316 0.0273 0.0300
12:01-13:00, Sat., 06 Dec. 0.0324 0.0280 0.0302
11:01-12:00, Sat., 06 Dec. 0.0322 0.0282 0.0303
10:01-11:00, Sat., 06 Dec. 0.0326 0.0287 0.0306
09:01-10:00, Sat., 06 Dec. 0.0331 0.0284 0.0306
08:01-09:00, Sat., 06 Dec. 0.0330 0.0286 0.0307
07:01-08:00, Sat., 06 Dec. 0.0326 0.0288 0.0306
06:01-07:00, Sat., 06 Dec. 0.0318 0.0270 0.0300
05:01-06:00, Sat., 06 Dec. 0.0326 0.0288 0.0305
04:01-05:00, Sat., 06 Dec. 0.0323 0.0283 0.0302
03:01-04:00, Sat., 06 Dec. 0.0327 0.0284 0.0302
02:01-03:00, Sat., 06 Dec. 0.0322 0.0278 0.0304
01:01-02:00, Sat., 06 Dec. 0.0323 0.0278 0.0304
00:01-01:00, Sat., 06 Dec. 0.0324 0.0280 0.0303
23:01-24:00, Fri., 05 Dec. 0.0326 0.0282 0.0300
22:01-23:00, Fri., 05 Dec. 0.0316 0.0280 0.0298
21:01-22:00, Fri., 05 Dec. 0.0324 0.0273 0.0296
20:01-21:00, Fri., 05 Dec. 0.0318 0.0274 0.0298
19:01-20:00, Fri., 05 Dec. 0.0313 0.0273 0.0298
18:01-19:00, Fri., 05 Dec. 0.0317 0.0272 0.0297
17:01-18:00, Fri., 05 Dec. 0.0318 0.0283 0.0301
16:01-17:00, Fri., 05 Dec. 0.0322 0.0276 0.0299
15:01-16:00, Fri., 05 Dec. 0.0320 0.0275 0.0300
14:01-15:00, Fri., 05 Dec. 0.0323 0.0270 0.0299
13:01-14:00, Fri., 05 Dec. 0.0325 0.0273 0.0301
12:01-13:00, Fri., 05 Dec. 0.0329 0.0286 0.0306
11:01-12:00, Fri., 05 Dec. 0.0332 0.0285 0.0306
10:01-11:00, Fri., 05 Dec. 0.0325 0.0283 0.0305
09:01-10:00, Fri., 05 Dec. 0.0329 0.0290 0.0308
08:01-09:00, Fri., 05 Dec. 0.0330 0.0284 0.0307
07:01-08:00, Fri., 05 Dec. 0.0328 0.0286 0.0306
06:01-07:00, Fri., 05 Dec. 0.0329 0.0287 0.0306
05:01-06:00, Fri., 05 Dec. 0.0331 0.0280 0.0306
04:01-05:00, Fri., 05 Dec. 0.0326 0.0285 0.0308
03:01-04:00, Fri., 05 Dec. 0.0336 0.0283 0.0308
02:01-03:00, Fri., 05 Dec. 0.0325 0.0280 0.0301
01:01-02:00, Fri., 05 Dec. 0.0325 0.0276 0.0301
00:01-01:00, Fri., 05 Dec. 0.0322 0.0274 0.0298
23:01-24:00, Thu., 04 Dec. 0.0324 0.0269 0.0297
22:01-23:00, Thu., 04 Dec. 0.0317 0.0277 0.0296
21:01-22:00, Thu., 04 Dec. 0.0314 0.0271 0.0295
20:01-21:00, Thu., 04 Dec. 0.0311 0.0273 0.0293
19:01-20:00, Thu., 04 Dec. 0.0309 0.0275 0.0290
18:01-19:00, Thu., 04 Dec. 0.0314 0.0270 0.0292
17:01-18:00, Thu., 04 Dec. 0.0307 0.0259 0.0290
16:01-17:00, Thu., 04 Dec. 0.0308 0.0273 0.0293
15:01-16:00, Thu., 04 Dec. 0.0312 0.0267 0.0292
14:01-15:00, Thu., 04 Dec. 0.0322 0.0274 0.0297
13:01-14:00, Thu., 04 Dec. 0.0314 0.0278 0.0297
12:01-13:00, Thu., 04 Dec. 0.0322 0.0275 0.0299
11:01-12:00, Thu., 04 Dec. 0.0324 0.0280 0.0302
10:01-11:00, Thu., 04 Dec. 0.0321 0.0287 0.0302
09:01-10:00, Thu., 04 Dec. 0.0318 0.0276 0.0300
08:01-09:00, Thu., 04 Dec. 0.0313 0.0274 0.0295
07:01-08:00, Thu., 04 Dec. 0.0325 0.0272 0.0294
06:01-07:00, Thu., 04 Dec. 0.0325 0.0273 0.0295
05:01-06:00, Thu., 04 Dec. 0.0318 0.0275 0.0296
04:01-05:00, Thu., 04 Dec. 0.0321 0.0276 0.0299
03:01-04:00, Thu., 04 Dec. 0.0320 0.0274 0.0298
02:01-03:00, Thu., 04 Dec. 0.0325 0.0275 0.0299
01:01-02:00, Thu., 04 Dec. 0.0328 0.0276 0.0298
00:01-01:00, Thu., 04 Dec. 0.0322 0.0277 0.0303
23:01-24:00, Wed., 03 Dec. 0.0326 0.0283 0.0306
22:01-23:00, Wed., 03 Dec. 0.0342 0.0289 0.0311
21:01-22:00, Wed., 03 Dec. 0.0331 0.0283 0.0307
20:01-21:00, Wed., 03 Dec. 0.0323 0.0278 0.0299
19:01-20:00, Wed., 03 Dec. 0.0328 0.0289 0.0307
18:01-19:00, Wed., 03 Dec. 0.0336 0.0289 0.0307
17:01-18:00, Wed., 03 Dec. 0.0332 0.0283 0.0307
16:01-17:00, Wed., 03 Dec. 0.0325 0.0287 0.0305
15:01-16:00, Wed., 03 Dec. 0.0339 0.0290 0.0313
14:01-15:00, Wed., 03 Dec. 0.0343 0.0295 0.0323
13:01-14:00, Wed., 03 Dec. 0.0346 0.0304 0.0323
12:01-13:00, Wed., 03 Dec. 0.0340 0.0290 0.0316
11:01-12:00, Wed., 03 Dec. 0.0342 0.0299 0.0318
10:01-11:00, Wed., 03 Dec. 0.0329 0.0280 0.0312
09:01-10:00, Wed., 03 Dec. 0.0332 0.0294 0.0313
08:01-09:00, Wed., 03 Dec. 0.0332 0.0298 0.0314
07:01-08:00, Wed., 03 Dec. 0.0329 0.0286 0.0311
06:01-07:00, Wed., 03 Dec. 0.0336 0.0289 0.0312
05:01-06:00, Wed., 03 Dec. 0.0336 0.0289 0.0309
04:01-05:00, Wed., 03 Dec. 0.0325 0.0286 0.0310
03:01-04:00, Wed., 03 Dec. 0.0325 0.0285 0.0304
02:01-03:00, Wed., 03 Dec. 0.0322 0.0280 0.0302
01:01-02:00, Wed., 03 Dec. 0.0327 0.0274 0.0304
00:01-01:00, Wed., 03 Dec. 0.0329 0.0282 0.0303
23:01-24:00, Tue., 02 Dec. 0.0325 0.0278 0.0301
22:01-23:00, Tue., 02 Dec. 0.0329 0.0286 0.0305
21:01-22:00, Tue., 02 Dec. 0.0332 0.0276 0.0302
20:01-21:00, Tue., 02 Dec. 0.0320 0.0279 0.0300
19:01-20:00, Tue., 02 Dec. 0.0318 0.0273 0.0299
18:01-19:00, Tue., 02 Dec. 0.0326 0.0278 0.0294
17:01-18:00, Tue., 02 Dec. 0.0325 0.0269 0.0299
16:01-17:00, Tue., 02 Dec. 0.0329 0.0274 0.0301
15:01-16:00, Tue., 02 Dec. 0.0332 0.0272 0.0299
14:01-15:00, Tue., 02 Dec. 0.0315 0.0228 0.0287
13:01-14:00, Tue., 02 Dec. 0.0332 0.0288 0.0311
12:01-13:00, Tue., 02 Dec. 0.0340 0.0281 0.0314
11:01-12:00, Tue., 02 Dec. 0.0336 0.0297 0.0314
10:01-11:00, Tue., 02 Dec. 0.0332 0.0294 0.0315
09:01-10:00, Tue., 02 Dec. 0.0340 0.0300 0.0318
08:01-09:00, Tue., 02 Dec. 0.0346 0.0291 0.0317
07:01-08:00, Tue., 02 Dec. 0.0332 0.0294 0.0315
06:01-07:00, Tue., 02 Dec. 0.0332 0.0297 0.0317
05:01-06:00, Tue., 02 Dec. 0.0346 0.0297 0.0323
04:01-05:00, Tue., 02 Dec. 0.0349 0.0292 0.0323
03:01-04:00, Tue., 02 Dec. 0.0336 0.0287 0.0320
02:01-03:00, Tue., 02 Dec. 0.0346 0.0290 0.0322
01:01-02:00, Tue., 02 Dec. 0.0343 0.0299 0.0320
00:01-01:00, Tue., 02 Dec. 0.0351 0.0293 0.0320
23:01-24:00, Mon., 01 Dec. 0.0347 0.0299 0.0320
22:01-23:00, Mon., 01 Dec. 0.0339 0.0298 0.0319
21:01-22:00, Mon., 01 Dec. 0.0336 0.0301 0.0317
20:01-21:00, Mon., 01 Dec. 0.0336 0.0280 0.0309
19:01-20:00, Mon., 01 Dec. 0.0325 0.0276 0.0302
18:01-19:00, Mon., 01 Dec. 0.0329 0.0273 0.0303
17:01-18:00, Mon., 01 Dec. 0.0321 0.0277 0.0302
16:01-17:00, Mon., 01 Dec. 0.0330 0.0279 0.0303
15:01-16:00, Mon., 01 Dec. 0.0322 0.0273 0.0305
14:01-15:00, Mon., 01 Dec. 0.0329 0.0282 0.0305
13:01-14:00, Mon., 01 Dec. 0.0339 0.0290 0.0313
12:01-13:00, Mon., 01 Dec. 0.0332 0.0290 0.0311
11:01-12:00, Mon., 01 Dec. 0.0348 0.0290 0.0317
10:01-11:00, Mon., 01 Dec. 0.0356 0.0291 0.0322
09:01-10:00, Mon., 01 Dec. 0.0352 0.0305 0.0326
08:01-09:00, Mon., 01 Dec. 0.0343 0.0298 0.0323
07:01-08:00, Mon., 01 Dec. 0.0339 0.0302 0.0321
06:01-07:00, Mon., 01 Dec. 0.0336 0.0303 0.0321
05:01-06:00, Mon., 01 Dec. 0.0345 0.0300 0.0323
04:01-05:00, Mon., 01 Dec. 0.0341 0.0299 0.0321
03:01-04:00, Mon., 01 Dec. 0.0336 0.0300 0.0318
02:01-03:00, Mon., 01 Dec. 0.0343 0.0297 0.0315
01:01-02:00, Mon., 01 Dec. 0.0346 0.0300 0.0319
00:01-01:00, Mon., 01 Dec. 0.0334 0.0296 0.0315
23:01-24:00, Sun., 30 Nov. 0.0330 0.0292 0.0314
22:01-23:00, Sun., 30 Nov. 0.0335 0.0291 0.0311
21:01-22:00, Sun., 30 Nov. 0.0321 0.0286 0.0306
20:01-21:00, Sun., 30 Nov. 0.0332 0.0287 0.0304
19:01-20:00, Sun., 30 Nov. 0.0324 0.0276 0.0300
18:01-19:00, Sun., 30 Nov. 0.0325 0.0277 0.0301
17:01-18:00, Sun., 30 Nov. 0.0317 0.0283 0.0302
16:01-17:00, Sun., 30 Nov. 0.0320 0.0276 0.0300
15:01-16:00, Sun., 30 Nov. 0.0324 0.0270 0.0304
14:01-15:00, Sun., 30 Nov. 0.0327 0.0285 0.0307
13:01-14:00, Sun., 30 Nov. 0.0329 0.0284 0.0309
12:01-13:00, Sun., 30 Nov. 0.0329 0.0283 0.0308
11:01-12:00, Sun., 30 Nov. 0.0325 0.0288 0.0308
10:01-11:00, Sun., 30 Nov. 0.0347 0.0296 0.0313
09:01-10:00, Sun., 30 Nov. 0.0333 0.0297 0.0315
08:01-09:00, Sun., 30 Nov. 0.0343 0.0300 0.0318
07:01-08:00, Sun., 30 Nov. 0.0339 0.0290 0.0315
06:01-07:00, Sun., 30 Nov. 0.0336 0.0292 0.0314
05:01-06:00, Sun., 30 Nov. 0.0336 0.0291 0.0314
04:01-05:00, Sun., 30 Nov. 0.0332 0.0287 0.0314
03:01-04:00, Sun., 30 Nov. 0.0334 0.0292 0.0314
02:01-03:00, Sun., 30 Nov. 0.0343 0.0287 0.0314
01:01-02:00, Sun., 30 Nov. 0.0334 0.0293 0.0313
00:01-01:00, Sun., 30 Nov. 0.0336 0.0286 0.0306
23:01-24:00, Sat., 29 Nov. 0.0323 0.0275 0.0301
22:01-23:00, Sat., 29 Nov. 0.0321 0.0276 0.0301
21:01-22:00, Sat., 29 Nov. 0.0318 0.0280 0.0301
20:01-21:00, Sat., 29 Nov. 0.0326 0.0273 0.0298
19:01-20:00, Sat., 29 Nov. 0.0322 0.0275 0.0301
18:01-19:00, Sat., 29 Nov. 0.0321 0.0266 0.0299
17:01-18:00, Sat., 29 Nov. 0.0316 0.0277 0.0298
16:01-17:00, Sat., 29 Nov. 0.0334 0.0270 0.0300
15:01-16:00, Sat., 29 Nov. 0.0316 0.0277 0.0300
14:01-15:00, Sat., 29 Nov. 0.0324 0.0279 0.0300
13:01-14:00, Sat., 29 Nov. 0.0322 0.0280 0.0304
12:01-13:00, Sat., 29 Nov. 0.0331 0.0284 0.0304
11:01-12:00, Sat., 29 Nov. 0.0320 0.0276 0.0299
10:01-11:00, Sat., 29 Nov. 0.0323 0.0270 0.0301
09:01-10:00, Sat., 29 Nov. 0.0321 0.0276 0.0300
08:01-09:00, Sat., 29 Nov. 0.0314 0.0277 0.0298
07:01-08:00, Sat., 29 Nov. 0.0322 0.0283 0.0300
06:01-07:00, Sat., 29 Nov. 0.0323 0.0259 0.0300
05:01-06:00, Sat., 29 Nov. 0.0327 0.0280 0.0306
04:01-05:00, Sat., 29 Nov. 0.0327 0.0289 0.0310
03:01-04:00, Sat., 29 Nov. 0.0330 0.0290 0.0311
02:01-03:00, Sat., 29 Nov. 0.0347 0.0287 0.0312
01:01-02:00, Sat., 29 Nov. 0.0339 0.0293 0.0316
00:01-01:00, Sat., 29 Nov. 0.0337 0.0293 0.0319
23:01-24:00, Fri., 28 Nov. 0.0337 0.0297 0.0318
22:01-23:00, Fri., 28 Nov. 0.0343 0.0298 0.0319
21:01-22:00, Fri., 28 Nov. 0.0345 0.0301 0.0317
20:01-21:00, Fri., 28 Nov. 0.0330 0.0289 0.0311
19:01-20:00, Fri., 28 Nov. 0.0341 0.0287 0.0309
18:01-19:00, Fri., 28 Nov. 0.0322 0.0274 0.0303
17:01-18:00, Fri., 28 Nov. 0.0333 0.0281 0.0306
16:01-17:00, Fri., 28 Nov. 0.0327 0.0287 0.0307
15:01-16:00, Fri., 28 Nov. 0.0326 0.0287 0.0307
14:01-15:00, Fri., 28 Nov. 0.0329 0.0291 0.0309
13:01-14:00, Fri., 28 Nov. 0.0329 0.0281 0.0307
12:01-13:00, Fri., 28 Nov. 0.0334 0.0290 0.0310
11:01-12:00, Fri., 28 Nov. 0.0332 0.0294 0.0311
10:01-11:00, Fri., 28 Nov. 0.0334 0.0291 0.0312
09:01-10:00, Fri., 28 Nov. 0.0324 0.0280 0.0304
08:01-09:00, Fri., 28 Nov. 0.0334 0.0289 0.0306
07:01-08:00, Fri., 28 Nov. 0.0331 0.0274 0.0306
06:01-07:00, Fri., 28 Nov. 0.0332 0.0282 0.0307
05:01-06:00, Fri., 28 Nov. 0.0330 0.0294 0.0310
04:01-05:00, Fri., 28 Nov. 0.0327 0.0284 0.0313
03:01-04:00, Fri., 28 Nov. 0.0338 0.0287 0.0308
02:01-03:00, Fri., 28 Nov. 0.0329 0.0292 0.0310
01:01-02:00, Fri., 28 Nov. 0.0328 0.0284 0.0310
00:01-01:00, Fri., 28 Nov. 0.0329 0.0289 0.0306
23:01-24:00, Thu., 27 Nov. 0.0329 0.0286 0.0306
22:01-23:00, Thu., 27 Nov. 0.0322 0.0283 0.0303
21:01-22:00, Thu., 27 Nov. 0.0330 0.0280 0.0305
20:01-21:00, Thu., 27 Nov. 0.0326 0.0289 0.0308
19:01-20:00, Thu., 27 Nov. 0.0326 0.0287 0.0307
18:01-19:00, Thu., 27 Nov. 0.0330 0.0288 0.0307
17:01-18:00, Thu., 27 Nov. 0.0337 0.0283 0.0311
16:01-17:00, Thu., 27 Nov. 0.0331 0.0294 0.0315
15:01-16:00, Thu., 27 Nov. 0.0330 0.0281 0.0303
14:01-15:00, Thu., 27 Nov. 0.0327 0.0276 0.0302
13:01-14:00, Thu., 27 Nov. 0.0324 0.0282 0.0303
12:01-13:00, Thu., 27 Nov. 0.0330 0.0279 0.0303
11:01-12:00, Thu., 27 Nov. 0.0322 0.0285 0.0303
10:01-11:00, Thu., 27 Nov. 0.0332 0.0285 0.0306