Measurement results by the hour (Kodaira) 22 Sep., 2025 - 28 Sep., 2025

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
23:01-24:00, Sun., 28 Sep. 0.0370 0.0313 0.0338
22:01-23:00, Sun., 28 Sep. 0.0361 0.0313 0.0340
21:01-22:00, Sun., 28 Sep. 0.0360 0.0318 0.0338
20:01-21:00, Sun., 28 Sep. 0.0364 0.0313 0.0339
19:01-20:00, Sun., 28 Sep. 0.0363 0.0319 0.0338
18:01-19:00, Sun., 28 Sep. 0.0363 0.0322 0.0341
17:01-18:00, Sun., 28 Sep. 0.0364 0.0321 0.0345
16:01-17:00, Sun., 28 Sep. 0.0373 0.0318 0.0341
15:01-16:00, Sun., 28 Sep. 0.0374 0.0313 0.0345
14:01-15:00, Sun., 28 Sep. 0.0363 0.0326 0.0343
13:01-14:00, Sun., 28 Sep. 0.0374 0.0314 0.0342
12:01-13:00, Sun., 28 Sep. 0.0372 0.0322 0.0344
11:01-12:00, Sun., 28 Sep. 0.0369 0.0325 0.0345
10:01-11:00, Sun., 28 Sep. 0.0371 0.0336 0.0350
09:01-10:00, Sun., 28 Sep. 0.0395 0.0326 0.0352
08:01-09:00, Sun., 28 Sep. 0.0375 0.0327 0.0349
07:01-08:00, Sun., 28 Sep. 0.0375 0.0329 0.0348
06:01-07:00, Sun., 28 Sep. 0.0376 0.0323 0.0348
05:01-06:00, Sun., 28 Sep. 0.0377 0.0320 0.0347
04:01-05:00, Sun., 28 Sep. 0.0366 0.0319 0.0346
03:01-04:00, Sun., 28 Sep. 0.0382 0.0325 0.0346
02:01-03:00, Sun., 28 Sep. 0.0384 0.0325 0.0351
01:01-02:00, Sun., 28 Sep. 0.0373 0.0317 0.0349
00:01-01:00, Sun., 28 Sep. 0.0367 0.0315 0.0342
23:01-24:00, Sat., 27 Sep. 0.0363 0.0321 0.0340
22:01-23:00, Sat., 27 Sep. 0.0366 0.0324 0.0342
21:01-22:00, Sat., 27 Sep. 0.0367 0.0322 0.0340
20:01-21:00, Sat., 27 Sep. 0.0369 0.0317 0.0343
19:01-20:00, Sat., 27 Sep. 0.0367 0.0316 0.0343
18:01-19:00, Sat., 27 Sep. 0.0366 0.0320 0.0346
17:01-18:00, Sat., 27 Sep. 0.0374 0.0324 0.0348
16:01-17:00, Sat., 27 Sep. 0.0377 0.0319 0.0346
15:01-16:00, Sat., 27 Sep. 0.0362 0.0327 0.0344
14:01-15:00, Sat., 27 Sep. 0.0380 0.0317 0.0344
13:01-14:00, Sat., 27 Sep. 0.0377 0.0316 0.0342
12:01-13:00, Sat., 27 Sep. 0.0362 0.0328 0.0345
11:01-12:00, Sat., 27 Sep. 0.0378 0.0315 0.0342
10:01-11:00, Sat., 27 Sep. 0.0375 0.0318 0.0343
09:01-10:00, Sat., 27 Sep. 0.0383 0.0322 0.0347
08:01-09:00, Sat., 27 Sep. 0.0375 0.0327 0.0348
07:01-08:00, Sat., 27 Sep. 0.0365 0.0311 0.0342
06:01-07:00, Sat., 27 Sep. 0.0360 0.0320 0.0340
05:01-06:00, Sat., 27 Sep. 0.0366 0.0315 0.0339
04:01-05:00, Sat., 27 Sep. 0.0360 0.0314 0.0337
03:01-04:00, Sat., 27 Sep. 0.0370 0.0312 0.0338
02:01-03:00, Sat., 27 Sep. 0.0363 0.0315 0.0341
01:01-02:00, Sat., 27 Sep. 0.0372 0.0319 0.0342
00:01-01:00, Sat., 27 Sep. 0.0362 0.0315 0.0342
23:01-24:00, Fri., 26 Sep. 0.0365 0.0324 0.0345
22:01-23:00, Fri., 26 Sep. 0.0367 0.0317 0.0341
21:01-22:00, Fri., 26 Sep. 0.0370 0.0321 0.0342
20:01-21:00, Fri., 26 Sep. 0.0361 0.0317 0.0343
19:01-20:00, Fri., 26 Sep. 0.0365 0.0315 0.0342
18:01-19:00, Fri., 26 Sep. 0.0363 0.0321 0.0344
17:01-18:00, Fri., 26 Sep. 0.0363 0.0315 0.0342
16:01-17:00, Fri., 26 Sep. 0.0367 0.0321 0.0344
15:01-16:00, Fri., 26 Sep. 0.0371 0.0314 0.0346
14:01-15:00, Fri., 26 Sep. 0.0366 0.0311 0.0344
13:01-14:00, Fri., 26 Sep. 0.0367 0.0323 0.0344
12:01-13:00, Fri., 26 Sep. 0.0370 0.0326 0.0349
11:01-12:00, Fri., 26 Sep. 0.0376 0.0329 0.0348
10:01-11:00, Fri., 26 Sep. 0.0385 0.0337 0.0357
09:01-10:00, Fri., 26 Sep. 0.0390 0.0346 0.0365
08:01-09:00, Fri., 26 Sep. 0.0396 0.0341 0.0369
07:01-08:00, Fri., 26 Sep. 0.0386 0.0339 0.0362
06:01-07:00, Fri., 26 Sep. 0.0397 0.0335 0.0363
05:01-06:00, Fri., 26 Sep. 0.0388 0.0326 0.0362
04:01-05:00, Fri., 26 Sep. 0.0393 0.0343 0.0364
03:01-04:00, Fri., 26 Sep. 0.0398 0.0344 0.0366
02:01-03:00, Fri., 26 Sep. 0.0388 0.0336 0.0358
01:01-02:00, Fri., 26 Sep. 0.0378 0.0329 0.0348
00:01-01:00, Fri., 26 Sep. 0.0371 0.0320 0.0351
23:01-24:00, Thu., 25 Sep. 0.0377 0.0324 0.0350
22:01-23:00, Thu., 25 Sep. 0.0376 0.0319 0.0345
21:01-22:00, Thu., 25 Sep. 0.0362 0.0306 0.0336
20:01-21:00, Thu., 25 Sep. 0.0354 0.0309 0.0334
19:01-20:00, Thu., 25 Sep. 0.0356 0.0315 0.0337
18:01-19:00, Thu., 25 Sep. 0.0361 0.0311 0.0340
17:01-18:00, Thu., 25 Sep. 0.0368 0.0318 0.0341
16:01-17:00, Thu., 25 Sep. 0.0356 0.0317 0.0338
15:01-16:00, Thu., 25 Sep. 0.0353 0.0318 0.0336
14:01-15:00, Thu., 25 Sep. 0.0363 0.0308 0.0335
13:01-14:00, Thu., 25 Sep. 0.0360 0.0315 0.0335
12:01-13:00, Thu., 25 Sep. 0.0360 0.0316 0.0336
11:01-12:00, Thu., 25 Sep. 0.0361 0.0307 0.0336
10:01-11:00, Thu., 25 Sep. 0.0365 0.0310 0.0339
09:01-10:00, Thu., 25 Sep. 0.0368 0.0311 0.0343
08:01-09:00, Thu., 25 Sep. 0.0369 0.0316 0.0338
07:01-08:00, Thu., 25 Sep. 0.0370 0.0314 0.0338
06:01-07:00, Thu., 25 Sep. 0.0360 0.0317 0.0337
05:01-06:00, Thu., 25 Sep. 0.0361 0.0314 0.0341
04:01-05:00, Thu., 25 Sep. 0.0358 0.0316 0.0337
03:01-04:00, Thu., 25 Sep. 0.0359 0.0309 0.0336
02:01-03:00, Thu., 25 Sep. 0.0360 0.0317 0.0338
01:01-02:00, Thu., 25 Sep. 0.0362 0.0311 0.0336
00:01-01:00, Thu., 25 Sep. 0.0354 0.0300 0.0331
23:01-24:00, Wed., 24 Sep. 0.0358 0.0309 0.0331
22:01-23:00, Wed., 24 Sep. 0.0358 0.0299 0.0332
21:01-22:00, Wed., 24 Sep. 0.0358 0.0308 0.0334
20:01-21:00, Wed., 24 Sep. 0.0350 0.0309 0.0333
19:01-20:00, Wed., 24 Sep. 0.0360 0.0307 0.0334
18:01-19:00, Wed., 24 Sep. 0.0350 0.0305 0.0331
17:01-18:00, Wed., 24 Sep. 0.0356 0.0313 0.0333
16:01-17:00, Wed., 24 Sep. 0.0370 0.0318 0.0339
15:01-16:00, Wed., 24 Sep. 0.0364 0.0305 0.0340
14:01-15:00, Wed., 24 Sep. 0.0356 0.0310 0.0337
13:01-14:00, Wed., 24 Sep. 0.0367 0.0303 0.0336
12:01-13:00, Wed., 24 Sep. 0.0357 0.0316 0.0336
11:01-12:00, Wed., 24 Sep. 0.0360 0.0319 0.0340
10:01-11:00, Wed., 24 Sep. 0.0375 0.0317 0.0339
09:01-10:00, Wed., 24 Sep. 0.0359 0.0312 0.0335
08:01-09:00, Wed., 24 Sep. 0.0361 0.0312 0.0335
07:01-08:00, Wed., 24 Sep. 0.0354 0.0318 0.0335
06:01-07:00, Wed., 24 Sep. 0.0353 0.0310 0.0333
05:01-06:00, Wed., 24 Sep. 0.0355 0.0305 0.0332
04:01-05:00, Wed., 24 Sep. 0.0355 0.0314 0.0335
03:01-04:00, Wed., 24 Sep. 0.0353 0.0313 0.0334
02:01-03:00, Wed., 24 Sep. 0.0362 0.0311 0.0336
01:01-02:00, Wed., 24 Sep. 0.0364 0.0307 0.0334
00:01-01:00, Wed., 24 Sep. 0.0363 0.0308 0.0335
23:01-24:00, Tue., 23 Sep. 0.0360 0.0309 0.0336
22:01-23:00, Tue., 23 Sep. 0.0361 0.0309 0.0329
21:01-22:00, Tue., 23 Sep. 0.0355 0.0309 0.0330
20:01-21:00, Tue., 23 Sep. 0.0352 0.0308 0.0330
19:01-20:00, Tue., 23 Sep. 0.0342 0.0308 0.0327
18:01-19:00, Tue., 23 Sep. 0.0347 0.0297 0.0329
17:01-18:00, Tue., 23 Sep. 0.0362 0.0314 0.0332
16:01-17:00, Tue., 23 Sep. 0.0356 0.0313 0.0338
15:01-16:00, Tue., 23 Sep. 0.0356 0.0315 0.0337
14:01-15:00, Tue., 23 Sep. 0.0362 0.0312 0.0336
13:01-14:00, Tue., 23 Sep. 0.0362 0.0314 0.0335
12:01-13:00, Tue., 23 Sep. 0.0361 0.0318 0.0338
11:01-12:00, Tue., 23 Sep. 0.0362 0.0315 0.0339
10:01-11:00, Tue., 23 Sep. 0.0361 0.0309 0.0335
09:01-10:00, Tue., 23 Sep. 0.0351 0.0312 0.0334
08:01-09:00, Tue., 23 Sep. 0.0357 0.0310 0.0335
07:01-08:00, Tue., 23 Sep. 0.0352 0.0303 0.0333
06:01-07:00, Tue., 23 Sep. 0.0361 0.0308 0.0334
05:01-06:00, Tue., 23 Sep. 0.0356 0.0317 0.0334
04:01-05:00, Tue., 23 Sep. 0.0360 0.0313 0.0333
03:01-04:00, Tue., 23 Sep. 0.0357 0.0311 0.0334
02:01-03:00, Tue., 23 Sep. 0.0356 0.0311 0.0331
01:01-02:00, Tue., 23 Sep. 0.0354 0.0311 0.0332
00:01-01:00, Tue., 23 Sep. 0.0356 0.0311 0.0333
23:01-24:00, Mon., 22 Sep. 0.0356 0.0315 0.0334
22:01-23:00, Mon., 22 Sep. 0.0349 0.0297 0.0332
21:01-22:00, Mon., 22 Sep. 0.0360 0.0316 0.0335
20:01-21:00, Mon., 22 Sep. 0.0356 0.0303 0.0331
19:01-20:00, Mon., 22 Sep. 0.0356 0.0309 0.0330
18:01-19:00, Mon., 22 Sep. 0.0347 0.0308 0.0330
17:01-18:00, Mon., 22 Sep. 0.0349 0.0315 0.0333
16:01-17:00, Mon., 22 Sep. 0.0363 0.0310 0.0338
15:01-16:00, Mon., 22 Sep. 0.0363 0.0319 0.0343
14:01-15:00, Mon., 22 Sep. 0.0367 0.0318 0.0341
13:01-14:00, Mon., 22 Sep. 0.0362 0.0316 0.0341
12:01-13:00, Mon., 22 Sep. 0.0362 0.0317 0.0341
11:01-12:00, Mon., 22 Sep. 0.0382 0.0322 0.0341
10:01-11:00, Mon., 22 Sep. 0.0364 0.0317 0.0341
09:01-10:00, Mon., 22 Sep. 0.0357 0.0312 0.0336
08:01-09:00, Mon., 22 Sep. 0.0361 0.0318 0.0339
07:01-08:00, Mon., 22 Sep. 0.0357 0.0311 0.0339
06:01-07:00, Mon., 22 Sep. 0.0356 0.0315 0.0334
05:01-06:00, Mon., 22 Sep. 0.0362 0.0313 0.0336
04:01-05:00, Mon., 22 Sep. 0.0360 0.0315 0.0333
03:01-04:00, Mon., 22 Sep. 0.0370 0.0310 0.0334
02:01-03:00, Mon., 22 Sep. 0.0356 0.0303 0.0332
01:01-02:00, Mon., 22 Sep. 0.0356 0.0313 0.0336
00:01-01:00, Mon., 22 Sep. 0.0356 0.0309 0.0335