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
14:01-15:00, Mon., 01 Jun. 0.0363 0.0303 0.0340
13:01-14:00, Mon., 01 Jun. 0.0364 0.0317 0.0341
12:01-13:00, Mon., 01 Jun. 0.0367 0.0322 0.0343
11:01-12:00, Mon., 01 Jun. 0.0368 0.0314 0.0341
10:01-11:00, Mon., 01 Jun. 0.0363 0.0320 0.0342
09:01-10:00, Mon., 01 Jun. 0.0365 0.0324 0.0346
08:01-09:00, Mon., 01 Jun. 0.0377 0.0331 0.0350
07:01-08:00, Mon., 01 Jun. 0.0366 0.0324 0.0351
06:01-07:00, Mon., 01 Jun. 0.0375 0.0331 0.0356
05:01-06:00, Mon., 01 Jun. 0.0377 0.0329 0.0351
04:01-05:00, Mon., 01 Jun. 0.0370 0.0322 0.0341
03:01-04:00, Mon., 01 Jun. 0.0359 0.0315 0.0341
02:01-03:00, Mon., 01 Jun. 0.0374 0.0318 0.0345
01:01-02:00, Mon., 01 Jun. 0.0370 0.0325 0.0347
00:01-01:00, Mon., 01 Jun. 0.0354 0.0322 0.0340
23:01-24:00, Sun., 31 May. 0.0362 0.0313 0.0343
22:01-23:00, Sun., 31 May. 0.0374 0.0319 0.0338
21:01-22:00, Sun., 31 May. 0.0356 0.0301 0.0336
20:01-21:00, Sun., 31 May. 0.0358 0.0319 0.0337
19:01-20:00, Sun., 31 May. 0.0366 0.0324 0.0343
18:01-19:00, Sun., 31 May. 0.0367 0.0317 0.0341
17:01-18:00, Sun., 31 May. 0.0374 0.0326 0.0345
16:01-17:00, Sun., 31 May. 0.0357 0.0310 0.0340
15:01-16:00, Sun., 31 May. 0.0374 0.0321 0.0340
14:01-15:00, Sun., 31 May. 0.0368 0.0308 0.0338
13:01-14:00, Sun., 31 May. 0.0371 0.0315 0.0341
12:01-13:00, Sun., 31 May. 0.0364 0.0318 0.0342
11:01-12:00, Sun., 31 May. 0.0376 0.0316 0.0347
10:01-11:00, Sun., 31 May. 0.0368 0.0326 0.0347
09:01-10:00, Sun., 31 May. 0.0376 0.0329 0.0352
08:01-09:00, Sun., 31 May. 0.0374 0.0330 0.0355
07:01-08:00, Sun., 31 May. 0.0384 0.0332 0.0357
06:01-07:00, Sun., 31 May. 0.0380 0.0335 0.0354
05:01-06:00, Sun., 31 May. 0.0377 0.0325 0.0351
04:01-05:00, Sun., 31 May. 0.0377 0.0323 0.0344
03:01-04:00, Sun., 31 May. 0.0368 0.0325 0.0343
02:01-03:00, Sun., 31 May. 0.0380 0.0327 0.0348
01:01-02:00, Sun., 31 May. 0.0359 0.0311 0.0340
00:01-01:00, Sun., 31 May. 0.0379 0.0315 0.0344
23:01-24:00, Sat., 30 May. 0.0361 0.0318 0.0340
22:01-23:00, Sat., 30 May. 0.0362 0.0311 0.0338
21:01-22:00, Sat., 30 May. 0.0355 0.0318 0.0337
20:01-21:00, Sat., 30 May. 0.0361 0.0313 0.0335
19:01-20:00, Sat., 30 May. 0.0363 0.0318 0.0335
18:01-19:00, Sat., 30 May. 0.0360 0.0314 0.0337
17:01-18:00, Sat., 30 May. 0.0356 0.0320 0.0338
16:01-17:00, Sat., 30 May. 0.0360 0.0318 0.0340
15:01-16:00, Sat., 30 May. 0.0363 0.0322 0.0341
14:01-15:00, Sat., 30 May. 0.0363 0.0323 0.0342
13:01-14:00, Sat., 30 May. 0.0363 0.0315 0.0338
12:01-13:00, Sat., 30 May. 0.0368 0.0316 0.0341
11:01-12:00, Sat., 30 May. 0.0360 0.0319 0.0341
10:01-11:00, Sat., 30 May. 0.0368 0.0316 0.0342
09:01-10:00, Sat., 30 May. 0.0362 0.0317 0.0342
08:01-09:00, Sat., 30 May. 0.0368 0.0329 0.0347
07:01-08:00, Sat., 30 May. 0.0384 0.0329 0.0351
06:01-07:00, Sat., 30 May. 0.0381 0.0340 0.0356
05:01-06:00, Sat., 30 May. 0.0380 0.0321 0.0349
04:01-05:00, Sat., 30 May. 0.0359 0.0325 0.0342
03:01-04:00, Sat., 30 May. 0.0364 0.0311 0.0338
02:01-03:00, Sat., 30 May. 0.0360 0.0308 0.0338
01:01-02:00, Sat., 30 May. 0.0360 0.0315 0.0338
00:01-01:00, Sat., 30 May. 0.0358 0.0307 0.0340
23:01-24:00, Fri., 29 May. 0.0359 0.0318 0.0341
22:01-23:00, Fri., 29 May. 0.0359 0.0315 0.0337
21:01-22:00, Fri., 29 May. 0.0360 0.0306 0.0340
20:01-21:00, Fri., 29 May. 0.0363 0.0311 0.0340
19:01-20:00, Fri., 29 May. 0.0367 0.0313 0.0339
18:01-19:00, Fri., 29 May. 0.0363 0.0318 0.0337
17:01-18:00, Fri., 29 May. 0.0361 0.0322 0.0340
16:01-17:00, Fri., 29 May. 0.0370 0.0313 0.0340
15:01-16:00, Fri., 29 May. 0.0363 0.0318 0.0341
14:01-15:00, Fri., 29 May. 0.0368 0.0310 0.0343
13:01-14:00, Fri., 29 May. 0.0364 0.0317 0.0343
12:01-13:00, Fri., 29 May. 0.0367 0.0326 0.0343
11:01-12:00, Fri., 29 May. 0.0367 0.0322 0.0342
10:01-11:00, Fri., 29 May. 0.0366 0.0313 0.0341
09:01-10:00, Fri., 29 May. 0.0370 0.0323 0.0343
08:01-09:00, Fri., 29 May. 0.0372 0.0324 0.0352
07:01-08:00, Fri., 29 May. 0.0399 0.0336 0.0359
06:01-07:00, Fri., 29 May. 0.0395 0.0351 0.0374
05:01-06:00, Fri., 29 May. 0.0401 0.0340 0.0372
04:01-05:00, Fri., 29 May. 0.0392 0.0351 0.0370
03:01-04:00, Fri., 29 May. 0.0385 0.0322 0.0357
02:01-03:00, Fri., 29 May. 0.0364 0.0324 0.0347
01:01-02:00, Fri., 29 May. 0.0362 0.0323 0.0338
00:01-01:00, Fri., 29 May. 0.0360 0.0308 0.0334
23:01-24:00, Thu., 28 May. 0.0365 0.0308 0.0332
22:01-23:00, Thu., 28 May. 0.0356 0.0309 0.0331
21:01-22:00, Thu., 28 May. 0.0359 0.0303 0.0330
20:01-21:00, Thu., 28 May. 0.0364 0.0317 0.0335
19:01-20:00, Thu., 28 May. 0.0363 0.0313 0.0334
18:01-19:00, Thu., 28 May. 0.0355 0.0311 0.0334
17:01-18:00, Thu., 28 May. 0.0366 0.0308 0.0337
16:01-17:00, Thu., 28 May. 0.0362 0.0317 0.0336
15:01-16:00, Thu., 28 May. 0.0371 0.0317 0.0336
14:01-15:00, Thu., 28 May. 0.0353 0.0312 0.0334
13:01-14:00, Thu., 28 May. 0.0367 0.0316 0.0336
12:01-13:00, Thu., 28 May. 0.0360 0.0304 0.0334
11:01-12:00, Thu., 28 May. 0.0360 0.0308 0.0332
10:01-11:00, Thu., 28 May. 0.0359 0.0308 0.0334
09:01-10:00, Thu., 28 May. 0.0357 0.0308 0.0334
08:01-09:00, Thu., 28 May. 0.0359 0.0309 0.0337
07:01-08:00, Thu., 28 May. 0.0367 0.0315 0.0342
06:01-07:00, Thu., 28 May. 0.0368 0.0318 0.0345
05:01-06:00, Thu., 28 May. 0.0367 0.0318 0.0343
04:01-05:00, Thu., 28 May. 0.0366 0.0311 0.0335
03:01-04:00, Thu., 28 May. 0.0352 0.0317 0.0333
02:01-03:00, Thu., 28 May. 0.0356 0.0309 0.0331
01:01-02:00, Thu., 28 May. 0.0357 0.0308 0.0333
00:01-01:00, Thu., 28 May. 0.0355 0.0316 0.0333
23:01-24:00, Wed., 27 May. 0.0357 0.0300 0.0330
22:01-23:00, Wed., 27 May. 0.0360 0.0302 0.0331
21:01-22:00, Wed., 27 May. 0.0353 0.0308 0.0331
20:01-21:00, Wed., 27 May. 0.0363 0.0308 0.0329
19:01-20:00, Wed., 27 May. 0.0358 0.0312 0.0332
18:01-19:00, Wed., 27 May. 0.0359 0.0308 0.0332
17:01-18:00, Wed., 27 May. 0.0360 0.0315 0.0336
16:01-17:00, Wed., 27 May. 0.0359 0.0312 0.0335
15:01-16:00, Wed., 27 May. 0.0361 0.0315 0.0337
14:01-15:00, Wed., 27 May. 0.0359 0.0307 0.0334
13:01-14:00, Wed., 27 May. 0.0358 0.0315 0.0335
12:01-13:00, Wed., 27 May. 0.0361 0.0311 0.0334
11:01-12:00, Wed., 27 May. 0.0360 0.0303 0.0336
10:01-11:00, Wed., 27 May. 0.0356 0.0310 0.0334
09:01-10:00, Wed., 27 May. 0.0358 0.0306 0.0335
08:01-09:00, Wed., 27 May. 0.0364 0.0315 0.0335
07:01-08:00, Wed., 27 May. 0.0362 0.0313 0.0338
06:01-07:00, Wed., 27 May. 0.0365 0.0317 0.0339
05:01-06:00, Wed., 27 May. 0.0362 0.0301 0.0338
04:01-05:00, Wed., 27 May. 0.0367 0.0310 0.0339
03:01-04:00, Wed., 27 May. 0.0362 0.0322 0.0341
02:01-03:00, Wed., 27 May. 0.0360 0.0315 0.0330
01:01-02:00, Wed., 27 May. 0.0353 0.0296 0.0334
00:01-01:00, Wed., 27 May. 0.0358 0.0302 0.0328
23:01-24:00, Tue., 26 May. 0.0356 0.0312 0.0331
22:01-23:00, Tue., 26 May. 0.0349 0.0311 0.0327
21:01-22:00, Tue., 26 May. 0.0354 0.0304 0.0331
20:01-21:00, Tue., 26 May. 0.0351 0.0304 0.0328
19:01-20:00, Tue., 26 May. 0.0350 0.0299 0.0328
18:01-19:00, Tue., 26 May. 0.0350 0.0311 0.0333
17:01-18:00, Tue., 26 May. 0.0362 0.0308 0.0333
16:01-17:00, Tue., 26 May. 0.0364 0.0311 0.0334
15:01-16:00, Tue., 26 May. 0.0363 0.0317 0.0338
14:01-15:00, Tue., 26 May. 0.0360 0.0304 0.0334
13:01-14:00, Tue., 26 May. 0.0358 0.0313 0.0332
12:01-13:00, Tue., 26 May. 0.0360 0.0305 0.0334
11:01-12:00, Tue., 26 May. 0.0355 0.0315 0.0334
10:01-11:00, Tue., 26 May. 0.0356 0.0315 0.0335
09:01-10:00, Tue., 26 May. 0.0356 0.0315 0.0332
08:01-09:00, Tue., 26 May. 0.0356 0.0308 0.0332
07:01-08:00, Tue., 26 May. 0.0358 0.0321 0.0341
06:01-07:00, Tue., 26 May. 0.0366 0.0315 0.0338
05:01-06:00, Tue., 26 May. 0.0365 0.0315 0.0337
04:01-05:00, Tue., 26 May. 0.0364 0.0299 0.0335
03:01-04:00, Tue., 26 May. 0.0356 0.0304 0.0330
02:01-03:00, Tue., 26 May. 0.0356 0.0304 0.0328
01:01-02:00, Tue., 26 May. 0.0345 0.0292 0.0326
00:01-01:00, Tue., 26 May. 0.0352 0.0302 0.0327
23:01-24:00, Mon., 25 May. 0.0357 0.0299 0.0327
22:01-23:00, Mon., 25 May. 0.0349 0.0307 0.0331
21:01-22:00, Mon., 25 May. 0.0355 0.0303 0.0330
20:01-21:00, Mon., 25 May. 0.0355 0.0304 0.0328
19:01-20:00, Mon., 25 May. 0.0353 0.0303 0.0327
18:01-19:00, Mon., 25 May. 0.0347 0.0304 0.0328
17:01-18:00, Mon., 25 May. 0.0356 0.0312 0.0332
16:01-17:00, Mon., 25 May. 0.0362 0.0314 0.0332
15:01-16:00, Mon., 25 May. 0.0362 0.0308 0.0333
14:01-15:00, Mon., 25 May. 0.0353 0.0311 0.0333
13:01-14:00, Mon., 25 May. 0.0360 0.0304 0.0332
12:01-13:00, Mon., 25 May. 0.0356 0.0318 0.0334
11:01-12:00, Mon., 25 May. 0.0356 0.0306 0.0335
10:01-11:00, Mon., 25 May. 0.0355 0.0311 0.0337
09:01-10:00, Mon., 25 May. 0.0355 0.0316 0.0335
08:01-09:00, Mon., 25 May. 0.0357 0.0308 0.0334
07:01-08:00, Mon., 25 May. 0.0357 0.0316 0.0338
06:01-07:00, Mon., 25 May. 0.0356 0.0319 0.0335
05:01-06:00, Mon., 25 May. 0.0363 0.0318 0.0341
04:01-05:00, Mon., 25 May. 0.0360 0.0306 0.0335
03:01-04:00, Mon., 25 May. 0.0358 0.0302 0.0333
02:01-03:00, Mon., 25 May. 0.0362 0.0308 0.0331
01:01-02:00, Mon., 25 May. 0.0350 0.0306 0.0328
00:01-01:00, Mon., 25 May. 0.0342 0.0301 0.0321
23:01-24:00, Sun., 24 May. 0.0357 0.0293 0.0325
22:01-23:00, Sun., 24 May. 0.0353 0.0305 0.0323
21:01-22:00, Sun., 24 May. 0.0348 0.0303 0.0325
20:01-21:00, Sun., 24 May. 0.0347 0.0306 0.0327
19:01-20:00, Sun., 24 May. 0.0343 0.0297 0.0324
18:01-19:00, Sun., 24 May. 0.0360 0.0301 0.0329
17:01-18:00, Sun., 24 May. 0.0349 0.0304 0.0326
16:01-17:00, Sun., 24 May. 0.0353 0.0304 0.0326
15:01-16:00, Sun., 24 May. 0.0352 0.0304 0.0326
14:01-15:00, Sun., 24 May. 0.0350 0.0301 0.0327
13:01-14:00, Sun., 24 May. 0.0354 0.0315 0.0330
12:01-13:00, Sun., 24 May. 0.0354 0.0308 0.0329
11:01-12:00, Sun., 24 May. 0.0347 0.0303 0.0330
10:01-11:00, Sun., 24 May. 0.0352 0.0302 0.0325
09:01-10:00, Sun., 24 May. 0.0353 0.0310 0.0328
08:01-09:00, Sun., 24 May. 0.0352 0.0299 0.0327
07:01-08:00, Sun., 24 May. 0.0353 0.0310 0.0330
06:01-07:00, Sun., 24 May. 0.0346 0.0306 0.0327
05:01-06:00, Sun., 24 May. 0.0359 0.0306 0.0331
04:01-05:00, Sun., 24 May. 0.0351 0.0306 0.0330
03:01-04:00, Sun., 24 May. 0.0373 0.0308 0.0336
02:01-03:00, Sun., 24 May. 0.0348 0.0308 0.0327
01:01-02:00, Sun., 24 May. 0.0365 0.0312 0.0333
00:01-01:00, Sun., 24 May. 0.0366 0.0328 0.0344
23:01-24:00, Sat., 23 May. 0.0358 0.0316 0.0336
22:01-23:00, Sat., 23 May. 0.0367 0.0313 0.0339
21:01-22:00, Sat., 23 May. 0.0362 0.0307 0.0332
20:01-21:00, Sat., 23 May. 0.0349 0.0302 0.0327
19:01-20:00, Sat., 23 May. 0.0354 0.0303 0.0329
18:01-19:00, Sat., 23 May. 0.0349 0.0297 0.0326
17:01-18:00, Sat., 23 May. 0.0359 0.0304 0.0326
16:01-17:00, Sat., 23 May. 0.0355 0.0296 0.0324
15:01-16:00, Sat., 23 May. 0.0346 0.0301 0.0325
14:01-15:00, Sat., 23 May. 0.0350 0.0309 0.0327
13:01-14:00, Sat., 23 May. 0.0346 0.0305 0.0326
12:01-13:00, Sat., 23 May. 0.0349 0.0287 0.0326
11:01-12:00, Sat., 23 May. 0.0354 0.0308 0.0324
10:01-11:00, Sat., 23 May. 0.0346 0.0298 0.0326
09:01-10:00, Sat., 23 May. 0.0353 0.0302 0.0327
08:01-09:00, Sat., 23 May. 0.0352 0.0302 0.0326
07:01-08:00, Sat., 23 May. 0.0347 0.0303 0.0325
06:01-07:00, Sat., 23 May. 0.0354 0.0304 0.0328
05:01-06:00, Sat., 23 May. 0.0361 0.0299 0.0328
04:01-05:00, Sat., 23 May. 0.0346 0.0306 0.0329
03:01-04:00, Sat., 23 May. 0.0357 0.0305 0.0333
02:01-03:00, Sat., 23 May. 0.0362 0.0308 0.0335
01:01-02:00, Sat., 23 May. 0.0350 0.0309 0.0327
00:01-01:00, Sat., 23 May. 0.0357 0.0300 0.0324
23:01-24:00, Fri., 22 May. 0.0353 0.0304 0.0328
22:01-23:00, Fri., 22 May. 0.0359 0.0306 0.0327
21:01-22:00, Fri., 22 May. 0.0352 0.0304 0.0327
20:01-21:00, Fri., 22 May. 0.0348 0.0304 0.0328
19:01-20:00, Fri., 22 May. 0.0360 0.0315 0.0338
18:01-19:00, Fri., 22 May. 0.0380 0.0321 0.0349
17:01-18:00, Fri., 22 May. 0.0349 0.0312 0.0330
16:01-17:00, Fri., 22 May. 0.0351 0.0301 0.0331
15:01-16:00, Fri., 22 May. 0.0360 0.0309 0.0334