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

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
00:01-01:00, Sat., 07 Nov. 0.0367 0.0322 0.0338
23:01-24:00, Fri., 06 Nov. 0.0359 0.0318 0.0337
22:01-23:00, Fri., 06 Nov. 0.0365 0.0311 0.0337
21:01-22:00, Fri., 06 Nov. 0.0360 0.0318 0.0336
20:01-21:00, Fri., 06 Nov. 0.0367 0.0315 0.0336
19:01-20:00, Fri., 06 Nov. 0.0354 0.0312 0.0337
18:01-19:00, Fri., 06 Nov. 0.0355 0.0304 0.0333
17:01-18:00, Fri., 06 Nov. 0.0371 0.0298 0.0336
16:01-17:00, Fri., 06 Nov. 0.0367 0.0315 0.0337
15:01-16:00, Fri., 06 Nov. 0.0361 0.0311 0.0338
14:01-15:00, Fri., 06 Nov. 0.0367 0.0321 0.0344
13:01-14:00, Fri., 06 Nov. 0.0371 0.0314 0.0344
12:01-13:00, Fri., 06 Nov. 0.0369 0.0325 0.0345
11:01-12:00, Fri., 06 Nov. 0.0356 0.0313 0.0342
10:01-11:00, Fri., 06 Nov. 0.0376 0.0321 0.0341
09:01-10:00, Fri., 06 Nov. 0.0372 0.0326 0.0346
08:01-09:00, Fri., 06 Nov. 0.0361 0.0325 0.0345
07:01-08:00, Fri., 06 Nov. 0.0366 0.0311 0.0342
06:01-07:00, Fri., 06 Nov. 0.0373 0.0315 0.0344
05:01-06:00, Fri., 06 Nov. 0.0367 0.0322 0.0347
04:01-05:00, Fri., 06 Nov. 0.0362 0.0322 0.0345
03:01-04:00, Fri., 06 Nov. 0.0374 0.0316 0.0348
02:01-03:00, Fri., 06 Nov. 0.0366 0.0317 0.0345
01:01-02:00, Fri., 06 Nov. 0.0366 0.0325 0.0345
00:01-01:00, Fri., 06 Nov. 0.0370 0.0319 0.0343
23:01-24:00, Thu., 05 Nov. 0.0362 0.0315 0.0338
22:01-23:00, Thu., 05 Nov. 0.0360 0.0311 0.0337
21:01-22:00, Thu., 05 Nov. 0.0367 0.0320 0.0340
20:01-21:00, Thu., 05 Nov. 0.0357 0.0311 0.0335
19:01-20:00, Thu., 05 Nov. 0.0367 0.0316 0.0335
18:01-19:00, Thu., 05 Nov. 0.0362 0.0308 0.0333
17:01-18:00, Thu., 05 Nov. 0.0349 0.0304 0.0330
16:01-17:00, Thu., 05 Nov. 0.0353 0.0305 0.0327
15:01-16:00, Thu., 05 Nov. 0.0353 0.0308 0.0331
14:01-15:00, Thu., 05 Nov. 0.0360 0.0313 0.0334
13:01-14:00, Thu., 05 Nov. 0.0380 0.0320 0.0341
12:01-13:00, Thu., 05 Nov. 0.0364 0.0321 0.0338
11:01-12:00, Thu., 05 Nov. 0.0370 0.0311 0.0341
10:01-11:00, Thu., 05 Nov. 0.0383 0.0324 0.0348
09:01-10:00, Thu., 05 Nov. 0.0409 0.0347 0.0381
08:01-09:00, Thu., 05 Nov. 0.0402 0.0350 0.0376
07:01-08:00, Thu., 05 Nov. 0.0440 0.0360 0.0403
06:01-07:00, Thu., 05 Nov. 0.0498 0.0411 0.0445
05:01-06:00, Thu., 05 Nov. 0.0538 0.0458 0.0491
04:01-05:00, Thu., 05 Nov. 0.0530 0.0455 0.0485
03:01-04:00, Thu., 05 Nov. 0.0517 0.0451 0.0486
02:01-03:00, Thu., 05 Nov. 0.0530 0.0477 0.0499
01:01-02:00, Thu., 05 Nov. 0.0582 0.0466 0.0521
00:01-01:00, Thu., 05 Nov. 0.0644 0.0547 0.0588
23:01-24:00, Wed., 04 Nov. 0.0604 0.0509 0.0564
22:01-23:00, Wed., 04 Nov. 0.0566 0.0503 0.0535
21:01-22:00, Wed., 04 Nov. 0.0530 0.0478 0.0500
20:01-21:00, Wed., 04 Nov. 0.0514 0.0432 0.0476
19:01-20:00, Wed., 04 Nov. 0.0471 0.0413 0.0438
18:01-19:00, Wed., 04 Nov. 0.0473 0.0409 0.0441
17:01-18:00, Wed., 04 Nov. 0.0465 0.0398 0.0430
16:01-17:00, Wed., 04 Nov. 0.0429 0.0370 0.0398
15:01-16:00, Wed., 04 Nov. 0.0475 0.0357 0.0394
14:01-15:00, Wed., 04 Nov. 0.0463 0.0373 0.0418
13:01-14:00, Wed., 04 Nov. 0.0489 0.0347 0.0429
12:01-13:00, Wed., 04 Nov. 0.0381 0.0327 0.0354
11:01-12:00, Wed., 04 Nov. 0.0367 0.0326 0.0344
10:01-11:00, Wed., 04 Nov. 0.0374 0.0333 0.0349
09:01-10:00, Wed., 04 Nov. 0.0364 0.0322 0.0344
08:01-09:00, Wed., 04 Nov. 0.0369 0.0315 0.0344
07:01-08:00, Wed., 04 Nov. 0.0367 0.0311 0.0343
06:01-07:00, Wed., 04 Nov. 0.0370 0.0322 0.0341
05:01-06:00, Wed., 04 Nov. 0.0361 0.0323 0.0340
04:01-05:00, Wed., 04 Nov. 0.0362 0.0311 0.0338
03:01-04:00, Wed., 04 Nov. 0.0362 0.0309 0.0343
02:01-03:00, Wed., 04 Nov. 0.0367 0.0314 0.0343
01:01-02:00, Wed., 04 Nov. 0.0374 0.0322 0.0342
00:01-01:00, Wed., 04 Nov. 0.0366 0.0318 0.0341
23:01-24:00, Tue., 03 Nov. 0.0360 0.0308 0.0339
22:01-23:00, Tue., 03 Nov. 0.0370 0.0313 0.0338
21:01-22:00, Tue., 03 Nov. 0.0360 0.0317 0.0339
20:01-21:00, Tue., 03 Nov. 0.0358 0.0307 0.0337
19:01-20:00, Tue., 03 Nov. 0.0353 0.0315 0.0337
18:01-19:00, Tue., 03 Nov. 0.0369 0.0313 0.0336
17:01-18:00, Tue., 03 Nov. 0.0356 0.0317 0.0339
16:01-17:00, Tue., 03 Nov. 0.0363 0.0311 0.0338
15:01-16:00, Tue., 03 Nov. 0.0362 0.0312 0.0336
14:01-15:00, Tue., 03 Nov. 0.0364 0.0321 0.0338
13:01-14:00, Tue., 03 Nov. 0.0360 0.0317 0.0341
12:01-13:00, Tue., 03 Nov. 0.0362 0.0315 0.0341
11:01-12:00, Tue., 03 Nov. 0.0372 0.0320 0.0340
10:01-11:00, Tue., 03 Nov. 0.0363 0.0325 0.0345
09:01-10:00, Tue., 03 Nov. 0.0377 0.0327 0.0351
08:01-09:00, Tue., 03 Nov. 0.0376 0.0328 0.0347
07:01-08:00, Tue., 03 Nov. 0.0368 0.0327 0.0346
06:01-07:00, Tue., 03 Nov. 0.0370 0.0315 0.0343
05:01-06:00, Tue., 03 Nov. 0.0365 0.0315 0.0342
04:01-05:00, Tue., 03 Nov. 0.0367 0.0312 0.0342
03:01-04:00, Tue., 03 Nov. 0.0369 0.0322 0.0348
02:01-03:00, Tue., 03 Nov. 0.0375 0.0327 0.0352
01:01-02:00, Tue., 03 Nov. 0.0395 0.0327 0.0350
00:01-01:00, Tue., 03 Nov. 0.0370 0.0323 0.0344
23:01-24:00, Mon., 02 Nov. 0.0362 0.0316 0.0344
22:01-23:00, Mon., 02 Nov. 0.0362 0.0319 0.0343
21:01-22:00, Mon., 02 Nov. 0.0367 0.0315 0.0343
20:01-21:00, Mon., 02 Nov. 0.0372 0.0324 0.0346
19:01-20:00, Mon., 02 Nov. 0.0412 0.0341 0.0371
18:01-19:00, Mon., 02 Nov. 0.0562 0.0393 0.0468
17:01-18:00, Mon., 02 Nov. 0.0632 0.0542 0.0586
16:01-17:00, Mon., 02 Nov. 0.0631 0.0527 0.0583
15:01-16:00, Mon., 02 Nov. 0.0544 0.0437 0.0487
14:01-15:00, Mon., 02 Nov. 0.0471 0.0351 0.0405
13:01-14:00, Mon., 02 Nov. 0.0394 0.0329 0.0357
12:01-13:00, Mon., 02 Nov. 0.0378 0.0334 0.0353
11:01-12:00, Mon., 02 Nov. 0.0383 0.0318 0.0353
10:01-11:00, Mon., 02 Nov. 0.0383 0.0332 0.0357
09:01-10:00, Mon., 02 Nov. 0.0379 0.0316 0.0355
08:01-09:00, Mon., 02 Nov. 0.0384 0.0329 0.0356
07:01-08:00, Mon., 02 Nov. 0.0380 0.0332 0.0354
06:01-07:00, Mon., 02 Nov. 0.0380 0.0332 0.0356
05:01-06:00, Mon., 02 Nov. 0.0376 0.0338 0.0358
04:01-05:00, Mon., 02 Nov. 0.0377 0.0330 0.0355
03:01-04:00, Mon., 02 Nov. 0.0376 0.0321 0.0353
02:01-03:00, Mon., 02 Nov. 0.0370 0.0324 0.0347
01:01-02:00, Mon., 02 Nov. 0.0367 0.0318 0.0343
00:01-01:00, Mon., 02 Nov. 0.0368 0.0316 0.0344
23:01-24:00, Sun., 01 Nov. 0.0366 0.0314 0.0344
22:01-23:00, Sun., 01 Nov. 0.0362 0.0326 0.0344
21:01-22:00, Sun., 01 Nov. 0.0363 0.0316 0.0338
20:01-21:00, Sun., 01 Nov. 0.0361 0.0313 0.0338
19:01-20:00, Sun., 01 Nov. 0.0357 0.0317 0.0335
18:01-19:00, Sun., 01 Nov. 0.0367 0.0318 0.0336
17:01-18:00, Sun., 01 Nov. 0.0359 0.0320 0.0337
16:01-17:00, Sun., 01 Nov. 0.0357 0.0313 0.0334
15:01-16:00, Sun., 01 Nov. 0.0370 0.0315 0.0340
14:01-15:00, Sun., 01 Nov. 0.0360 0.0318 0.0342
13:01-14:00, Sun., 01 Nov. 0.0361 0.0315 0.0340
12:01-13:00, Sun., 01 Nov. 0.0372 0.0312 0.0341
11:01-12:00, Sun., 01 Nov. 0.0367 0.0313 0.0343
10:01-11:00, Sun., 01 Nov. 0.0363 0.0318 0.0343
09:01-10:00, Sun., 01 Nov. 0.0374 0.0318 0.0347
08:01-09:00, Sun., 01 Nov. 0.0372 0.0325 0.0347
07:01-08:00, Sun., 01 Nov. 0.0375 0.0332 0.0353
06:01-07:00, Sun., 01 Nov. 0.0387 0.0329 0.0353
05:01-06:00, Sun., 01 Nov. 0.0366 0.0327 0.0348
04:01-05:00, Sun., 01 Nov. 0.0371 0.0312 0.0345
03:01-04:00, Sun., 01 Nov. 0.0374 0.0330 0.0350
02:01-03:00, Sun., 01 Nov. 0.0368 0.0324 0.0341
01:01-02:00, Sun., 01 Nov. 0.0355 0.0309 0.0338
00:01-01:00, Sun., 01 Nov. 0.0370 0.0308 0.0336
23:01-24:00, Sat., 31 Oct. 0.0360 0.0317 0.0338
22:01-23:00, Sat., 31 Oct. 0.0358 0.0302 0.0336
21:01-22:00, Sat., 31 Oct. 0.0356 0.0308 0.0335
20:01-21:00, Sat., 31 Oct. 0.0362 0.0312 0.0335
19:01-20:00, Sat., 31 Oct. 0.0358 0.0312 0.0335
18:01-19:00, Sat., 31 Oct. 0.0358 0.0309 0.0334
17:01-18:00, Sat., 31 Oct. 0.0360 0.0315 0.0335
16:01-17:00, Sat., 31 Oct. 0.0356 0.0304 0.0337
15:01-16:00, Sat., 31 Oct. 0.0366 0.0315 0.0339
14:01-15:00, Sat., 31 Oct. 0.0369 0.0312 0.0341
13:01-14:00, Sat., 31 Oct. 0.0367 0.0310 0.0339
12:01-13:00, Sat., 31 Oct. 0.0360 0.0301 0.0339
11:01-12:00, Sat., 31 Oct. 0.0376 0.0317 0.0340
10:01-11:00, Sat., 31 Oct. 0.0378 0.0322 0.0345
09:01-10:00, Sat., 31 Oct. 0.0367 0.0318 0.0345
08:01-09:00, Sat., 31 Oct. 0.0384 0.0329 0.0353
07:01-08:00, Sat., 31 Oct. 0.0381 0.0334 0.0355
06:01-07:00, Sat., 31 Oct. 0.0371 0.0335 0.0354
05:01-06:00, Sat., 31 Oct. 0.0366 0.0323 0.0348
04:01-05:00, Sat., 31 Oct. 0.0377 0.0333 0.0351
03:01-04:00, Sat., 31 Oct. 0.0368 0.0326 0.0349
02:01-03:00, Sat., 31 Oct. 0.0367 0.0333 0.0348
01:01-02:00, Sat., 31 Oct. 0.0370 0.0305 0.0348
00:01-01:00, Sat., 31 Oct. 0.0376 0.0332 0.0353
23:01-24:00, Fri., 30 Oct. 0.0415 0.0353 0.0377
22:01-23:00, Fri., 30 Oct. 0.0424 0.0346 0.0390
21:01-22:00, Fri., 30 Oct. 0.0370 0.0332 0.0348
20:01-21:00, Fri., 30 Oct. 0.0393 0.0329 0.0347
19:01-20:00, Fri., 30 Oct. 0.0370 0.0328 0.0347
18:01-19:00, Fri., 30 Oct. 0.0368 0.0316 0.0343
17:01-18:00, Fri., 30 Oct. 0.0372 0.0318 0.0342
16:01-17:00, Fri., 30 Oct. 0.0369 0.0315 0.0343
15:01-16:00, Fri., 30 Oct. 0.0367 0.0319 0.0342
14:01-15:00, Fri., 30 Oct. 0.0363 0.0313 0.0339
13:01-14:00, Fri., 30 Oct. 0.0357 0.0315 0.0339
12:01-13:00, Fri., 30 Oct. 0.0361 0.0316 0.0339
11:01-12:00, Fri., 30 Oct. 0.0367 0.0305 0.0340
10:01-11:00, Fri., 30 Oct. 0.0372 0.0322 0.0345
09:01-10:00, Fri., 30 Oct. 0.0374 0.0332 0.0354
08:01-09:00, Fri., 30 Oct. 0.0477 0.0361 0.0406
07:01-08:00, Fri., 30 Oct. 0.0547 0.0433 0.0502
06:01-07:00, Fri., 30 Oct. 0.0542 0.0373 0.0452
05:01-06:00, Fri., 30 Oct. 0.0390 0.0321 0.0355
04:01-05:00, Fri., 30 Oct. 0.0378 0.0324 0.0344
03:01-04:00, Fri., 30 Oct. 0.0363 0.0307 0.0339
02:01-03:00, Fri., 30 Oct. 0.0366 0.0327 0.0346
01:01-02:00, Fri., 30 Oct. 0.0360 0.0311 0.0341
00:01-01:00, Fri., 30 Oct. 0.0365 0.0303 0.0338
23:01-24:00, Thu., 29 Oct. 0.0359 0.0313 0.0336
22:01-23:00, Thu., 29 Oct. 0.0371 0.0303 0.0333
21:01-22:00, Thu., 29 Oct. 0.0355 0.0315 0.0334
20:01-21:00, Thu., 29 Oct. 0.0363 0.0308 0.0333
19:01-20:00, Thu., 29 Oct. 0.0365 0.0312 0.0335
18:01-19:00, Thu., 29 Oct. 0.0361 0.0310 0.0335
17:01-18:00, Thu., 29 Oct. 0.0348 0.0304 0.0333
16:01-17:00, Thu., 29 Oct. 0.0358 0.0301 0.0335
15:01-16:00, Thu., 29 Oct. 0.0374 0.0310 0.0336
14:01-15:00, Thu., 29 Oct. 0.0374 0.0311 0.0335
13:01-14:00, Thu., 29 Oct. 0.0367 0.0317 0.0338
12:01-13:00, Thu., 29 Oct. 0.0359 0.0318 0.0338
11:01-12:00, Thu., 29 Oct. 0.0367 0.0318 0.0343
10:01-11:00, Thu., 29 Oct. 0.0367 0.0320 0.0345
09:01-10:00, Thu., 29 Oct. 0.0360 0.0318 0.0342
08:01-09:00, Thu., 29 Oct. 0.0375 0.0319 0.0341
07:01-08:00, Thu., 29 Oct. 0.0361 0.0311 0.0338
06:01-07:00, Thu., 29 Oct. 0.0358 0.0318 0.0336
05:01-06:00, Thu., 29 Oct. 0.0369 0.0315 0.0335
04:01-05:00, Thu., 29 Oct. 0.0361 0.0318 0.0336
03:01-04:00, Thu., 29 Oct. 0.0364 0.0322 0.0341
02:01-03:00, Thu., 29 Oct. 0.0353 0.0319 0.0335
01:01-02:00, Thu., 29 Oct. 0.0355 0.0304 0.0335
00:01-01:00, Thu., 29 Oct. 0.0363 0.0302 0.0336
23:01-24:00, Wed., 28 Oct. 0.0356 0.0297 0.0330
22:01-23:00, Wed., 28 Oct. 0.0357 0.0306 0.0330
21:01-22:00, Wed., 28 Oct. 0.0353 0.0304 0.0330
20:01-21:00, Wed., 28 Oct. 0.0353 0.0302 0.0330
19:01-20:00, Wed., 28 Oct. 0.0349 0.0308 0.0329
18:01-19:00, Wed., 28 Oct. 0.0347 0.0299 0.0327
17:01-18:00, Wed., 28 Oct. 0.0351 0.0307 0.0330
16:01-17:00, Wed., 28 Oct. 0.0352 0.0310 0.0329
15:01-16:00, Wed., 28 Oct. 0.0357 0.0303 0.0334
14:01-15:00, Wed., 28 Oct. 0.0368 0.0317 0.0336
13:01-14:00, Wed., 28 Oct. 0.0360 0.0311 0.0336
12:01-13:00, Wed., 28 Oct. 0.0370 0.0315 0.0340
11:01-12:00, Wed., 28 Oct. 0.0364 0.0318 0.0340
10:01-11:00, Wed., 28 Oct. 0.0373 0.0316 0.0340
09:01-10:00, Wed., 28 Oct. 0.0361 0.0322 0.0341
08:01-09:00, Wed., 28 Oct. 0.0363 0.0316 0.0341
07:01-08:00, Wed., 28 Oct. 0.0358 0.0317 0.0338
06:01-07:00, Wed., 28 Oct. 0.0362 0.0317 0.0340
05:01-06:00, Wed., 28 Oct. 0.0356 0.0311 0.0335
04:01-05:00, Wed., 28 Oct. 0.0361 0.0315 0.0334
03:01-04:00, Wed., 28 Oct. 0.0354 0.0311 0.0334
02:01-03:00, Wed., 28 Oct. 0.0360 0.0318 0.0335
01:01-02:00, Wed., 28 Oct. 0.0360 0.0308 0.0334