Measurement results by the hour (Kodaira) 28 Sep., 2026 - 4 Oct., 2026

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., 04 Oct. 0.0358 0.0311 0.0336
22:01-23:00, Sun., 04 Oct. 0.0359 0.0308 0.0337
21:01-22:00, Sun., 04 Oct. 0.0361 0.0309 0.0336
20:01-21:00, Sun., 04 Oct. 0.0360 0.0314 0.0334
19:01-20:00, Sun., 04 Oct. 0.0367 0.0313 0.0336
18:01-19:00, Sun., 04 Oct. 0.0356 0.0315 0.0333
17:01-18:00, Sun., 04 Oct. 0.0376 0.0310 0.0341
16:01-17:00, Sun., 04 Oct. 0.0360 0.0322 0.0340
15:01-16:00, Sun., 04 Oct. 0.0356 0.0304 0.0338
14:01-15:00, Sun., 04 Oct. 0.0357 0.0315 0.0339
13:01-14:00, Sun., 04 Oct. 0.0363 0.0315 0.0341
12:01-13:00, Sun., 04 Oct. 0.0363 0.0319 0.0340
11:01-12:00, Sun., 04 Oct. 0.0363 0.0315 0.0340
10:01-11:00, Sun., 04 Oct. 0.0361 0.0313 0.0338
09:01-10:00, Sun., 04 Oct. 0.0363 0.0317 0.0340
08:01-09:00, Sun., 04 Oct. 0.0371 0.0319 0.0343
07:01-08:00, Sun., 04 Oct. 0.0365 0.0317 0.0340
06:01-07:00, Sun., 04 Oct. 0.0382 0.0322 0.0343
05:01-06:00, Sun., 04 Oct. 0.0365 0.0321 0.0344
04:01-05:00, Sun., 04 Oct. 0.0360 0.0310 0.0337
03:01-04:00, Sun., 04 Oct. 0.0365 0.0321 0.0341
02:01-03:00, Sun., 04 Oct. 0.0362 0.0318 0.0341
01:01-02:00, Sun., 04 Oct. 0.0367 0.0318 0.0341
00:01-01:00, Sun., 04 Oct. 0.0369 0.0321 0.0341
23:01-24:00, Sat., 03 Oct. 0.0361 0.0314 0.0336
22:01-23:00, Sat., 03 Oct. 0.0361 0.0307 0.0334
21:01-22:00, Sat., 03 Oct. 0.0370 0.0316 0.0333
20:01-21:00, Sat., 03 Oct. 0.0354 0.0308 0.0335
19:01-20:00, Sat., 03 Oct. 0.0363 0.0308 0.0334
18:01-19:00, Sat., 03 Oct. 0.0356 0.0305 0.0332
17:01-18:00, Sat., 03 Oct. 0.0359 0.0311 0.0338
16:01-17:00, Sat., 03 Oct. 0.0354 0.0308 0.0335
15:01-16:00, Sat., 03 Oct. 0.0368 0.0315 0.0341
14:01-15:00, Sat., 03 Oct. 0.0367 0.0315 0.0343
13:01-14:00, Sat., 03 Oct. 0.0372 0.0317 0.0345
12:01-13:00, Sat., 03 Oct. 0.0360 0.0324 0.0345
11:01-12:00, Sat., 03 Oct. 0.0370 0.0321 0.0347
10:01-11:00, Sat., 03 Oct. 0.0364 0.0321 0.0344
09:01-10:00, Sat., 03 Oct. 0.0359 0.0315 0.0344
08:01-09:00, Sat., 03 Oct. 0.0363 0.0318 0.0339
07:01-08:00, Sat., 03 Oct. 0.0354 0.0316 0.0338
06:01-07:00, Sat., 03 Oct. 0.0360 0.0317 0.0340
05:01-06:00, Sat., 03 Oct. 0.0364 0.0317 0.0342
04:01-05:00, Sat., 03 Oct. 0.0362 0.0321 0.0341
03:01-04:00, Sat., 03 Oct. 0.0356 0.0314 0.0336
02:01-03:00, Sat., 03 Oct. 0.0361 0.0316 0.0339
01:01-02:00, Sat., 03 Oct. 0.0364 0.0311 0.0336
00:01-01:00, Sat., 03 Oct. 0.0357 0.0312 0.0336
23:01-24:00, Fri., 02 Oct. 0.0360 0.0312 0.0336
22:01-23:00, Fri., 02 Oct. 0.0369 0.0318 0.0339
21:01-22:00, Fri., 02 Oct. 0.0365 0.0311 0.0336
20:01-21:00, Fri., 02 Oct. 0.0370 0.0321 0.0336
19:01-20:00, Fri., 02 Oct. 0.0360 0.0311 0.0336
18:01-19:00, Fri., 02 Oct. 0.0353 0.0311 0.0334
17:01-18:00, Fri., 02 Oct. 0.0371 0.0309 0.0338
16:01-17:00, Fri., 02 Oct. 0.0366 0.0311 0.0341
15:01-16:00, Fri., 02 Oct. 0.0368 0.0318 0.0341
14:01-15:00, Fri., 02 Oct. 0.0372 0.0315 0.0344
13:01-14:00, Fri., 02 Oct. 0.0367 0.0317 0.0345
12:01-13:00, Fri., 02 Oct. 0.0388 0.0330 0.0363
11:01-12:00, Fri., 02 Oct. 0.0406 0.0348 0.0377
10:01-11:00, Fri., 02 Oct. 0.0413 0.0353 0.0378
09:01-10:00, Fri., 02 Oct. 0.0386 0.0319 0.0353
08:01-09:00, Fri., 02 Oct. 0.0367 0.0322 0.0346
07:01-08:00, Fri., 02 Oct. 0.0374 0.0322 0.0341
06:01-07:00, Fri., 02 Oct. 0.0360 0.0325 0.0343
05:01-06:00, Fri., 02 Oct. 0.0378 0.0330 0.0352
04:01-05:00, Fri., 02 Oct. 0.0382 0.0332 0.0357
03:01-04:00, Fri., 02 Oct. 0.0379 0.0339 0.0360
02:01-03:00, Fri., 02 Oct. 0.0379 0.0327 0.0359
01:01-02:00, Fri., 02 Oct. 0.0383 0.0335 0.0360
00:01-01:00, Fri., 02 Oct. 0.0380 0.0336 0.0358
23:01-24:00, Thu., 01 Oct. 0.0390 0.0337 0.0355
22:01-23:00, Thu., 01 Oct. 0.0390 0.0334 0.0354
21:01-22:00, Thu., 01 Oct. 0.0373 0.0324 0.0350
20:01-21:00, Thu., 01 Oct. 0.0363 0.0315 0.0337
19:01-20:00, Thu., 01 Oct. 0.0364 0.0316 0.0339
18:01-19:00, Thu., 01 Oct. 0.0363 0.0316 0.0339
17:01-18:00, Thu., 01 Oct. 0.0372 0.0323 0.0343
16:01-17:00, Thu., 01 Oct. 0.0370 0.0326 0.0345
15:01-16:00, Thu., 01 Oct. 0.0363 0.0313 0.0342
14:01-15:00, Thu., 01 Oct. 0.0363 0.0319 0.0342
13:01-14:00, Thu., 01 Oct. 0.0367 0.0317 0.0339
12:01-13:00, Thu., 01 Oct. 0.0369 0.0320 0.0341
11:01-12:00, Thu., 01 Oct. 0.0372 0.0318 0.0344
10:01-11:00, Thu., 01 Oct. 0.0367 0.0324 0.0347
09:01-10:00, Thu., 01 Oct. 0.0372 0.0316 0.0341
08:01-09:00, Thu., 01 Oct. 0.0374 0.0305 0.0340
07:01-08:00, Thu., 01 Oct. 0.0361 0.0318 0.0339
06:01-07:00, Thu., 01 Oct. 0.0361 0.0323 0.0339
05:01-06:00, Thu., 01 Oct. 0.0362 0.0314 0.0337
04:01-05:00, Thu., 01 Oct. 0.0369 0.0313 0.0346
03:01-04:00, Thu., 01 Oct. 0.0376 0.0329 0.0354
02:01-03:00, Thu., 01 Oct. 0.0377 0.0333 0.0351
01:01-02:00, Thu., 01 Oct. 0.0374 0.0327 0.0350
00:01-01:00, Thu., 01 Oct. 0.0370 0.0318 0.0343
23:01-24:00, Wed., 30 Sep. 0.0383 0.0333 0.0355
22:01-23:00, Wed., 30 Sep. 0.0376 0.0330 0.0353
21:01-22:00, Wed., 30 Sep. 0.0381 0.0336 0.0355
20:01-21:00, Wed., 30 Sep. 0.0371 0.0317 0.0344
19:01-20:00, Wed., 30 Sep. 0.0384 0.0326 0.0355
18:01-19:00, Wed., 30 Sep. 0.0391 0.0335 0.0358
17:01-18:00, Wed., 30 Sep. 0.0374 0.0318 0.0352
16:01-17:00, Wed., 30 Sep. 0.0384 0.0331 0.0363
15:01-16:00, Wed., 30 Sep. 0.0372 0.0322 0.0344
14:01-15:00, Wed., 30 Sep. 0.0367 0.0324 0.0346
13:01-14:00, Wed., 30 Sep. 0.0381 0.0332 0.0353
12:01-13:00, Wed., 30 Sep. 0.0380 0.0322 0.0348
11:01-12:00, Wed., 30 Sep. 0.0387 0.0320 0.0350
10:01-11:00, Wed., 30 Sep. 0.0381 0.0333 0.0359
09:01-10:00, Wed., 30 Sep. 0.0391 0.0326 0.0354
08:01-09:00, Wed., 30 Sep. 0.0410 0.0358 0.0382
07:01-08:00, Wed., 30 Sep. 0.0397 0.0316 0.0355
06:01-07:00, Wed., 30 Sep. 0.0374 0.0326 0.0349
05:01-06:00, Wed., 30 Sep. 0.0418 0.0338 0.0376
04:01-05:00, Wed., 30 Sep. 0.0488 0.0403 0.0452
03:01-04:00, Wed., 30 Sep. 0.0481 0.0411 0.0443
02:01-03:00, Wed., 30 Sep. 0.0486 0.0414 0.0455
01:01-02:00, Wed., 30 Sep. 0.0479 0.0403 0.0430
00:01-01:00, Wed., 30 Sep. 0.0496 0.0438 0.0460
23:01-24:00, Tue., 29 Sep. 0.0512 0.0441 0.0481
22:01-23:00, Tue., 29 Sep. 0.0474 0.0410 0.0440
21:01-22:00, Tue., 29 Sep. 0.0454 0.0396 0.0423
20:01-21:00, Tue., 29 Sep. 0.0435 0.0386 0.0412
19:01-20:00, Tue., 29 Sep. 0.0452 0.0392 0.0421
18:01-19:00, Tue., 29 Sep. 0.0457 0.0406 0.0433
17:01-18:00, Tue., 29 Sep. 0.0475 0.0411 0.0442
16:01-17:00, Tue., 29 Sep. 0.0472 0.0426 0.0447
15:01-16:00, Tue., 29 Sep. 0.0479 0.0414 0.0444
14:01-15:00, Tue., 29 Sep. 0.0484 0.0423 0.0451
13:01-14:00, Tue., 29 Sep. 0.0457 0.0401 0.0426
12:01-13:00, Tue., 29 Sep. 0.0446 0.0374 0.0414
11:01-12:00, Tue., 29 Sep. 0.0413 0.0355 0.0391
10:01-11:00, Tue., 29 Sep. 0.0430 0.0369 0.0401
09:01-10:00, Tue., 29 Sep. 0.0426 0.0362 0.0391
08:01-09:00, Tue., 29 Sep. 0.0492 0.0421 0.0457
07:01-08:00, Tue., 29 Sep. 0.0512 0.0429 0.0469
06:01-07:00, Tue., 29 Sep. 0.0528 0.0434 0.0487
05:01-06:00, Tue., 29 Sep. 0.0458 0.0332 0.0366
04:01-05:00, Tue., 29 Sep. 0.0377 0.0331 0.0351
03:01-04:00, Tue., 29 Sep. 0.0377 0.0323 0.0355
02:01-03:00, Tue., 29 Sep. 0.0378 0.0324 0.0352
01:01-02:00, Tue., 29 Sep. 0.0374 0.0325 0.0355
00:01-01:00, Tue., 29 Sep. 0.0413 0.0349 0.0375
23:01-24:00, Mon., 28 Sep. 0.0438 0.0369 0.0407
22:01-23:00, Mon., 28 Sep. 0.0460 0.0392 0.0432
21:01-22:00, Mon., 28 Sep. 0.0430 0.0353 0.0395
20:01-21:00, Mon., 28 Sep. 0.0440 0.0375 0.0411
19:01-20:00, Mon., 28 Sep. 0.0433 0.0367 0.0396
18:01-19:00, Mon., 28 Sep. 0.0432 0.0323 0.0364
17:01-18:00, Mon., 28 Sep. 0.0378 0.0329 0.0345
16:01-17:00, Mon., 28 Sep. 0.0374 0.0324 0.0345
15:01-16:00, Mon., 28 Sep. 0.0362 0.0316 0.0342
14:01-15:00, Mon., 28 Sep. 0.0374 0.0322 0.0344
13:01-14:00, Mon., 28 Sep. 0.0374 0.0325 0.0344
12:01-13:00, Mon., 28 Sep. 0.0368 0.0319 0.0343
11:01-12:00, Mon., 28 Sep. 0.0374 0.0321 0.0347
10:01-11:00, Mon., 28 Sep. 0.0391 0.0334 0.0364
09:01-10:00, Mon., 28 Sep. 0.0423 0.0347 0.0385
08:01-09:00, Mon., 28 Sep. 0.0423 0.0343 0.0376
07:01-08:00, Mon., 28 Sep. 0.0429 0.0353 0.0396
06:01-07:00, Mon., 28 Sep. 0.0429 0.0329 0.0363
05:01-06:00, Mon., 28 Sep. 0.0380 0.0329 0.0346
04:01-05:00, Mon., 28 Sep. 0.0357 0.0314 0.0343
03:01-04:00, Mon., 28 Sep. 0.0356 0.0322 0.0339
02:01-03:00, Mon., 28 Sep. 0.0374 0.0309 0.0337
01:01-02:00, Mon., 28 Sep. 0.0355 0.0312 0.0337
00:01-01:00, Mon., 28 Sep. 0.0369 0.0320 0.0341