Measurement results by the hour (Ota) 27 Oct., 2025 - 2 Nov., 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., 02 Nov. 0.0353 0.0305 0.0325
22:01-23:00, Sun., 02 Nov. 0.0351 0.0291 0.0325
21:01-22:00, Sun., 02 Nov. 0.0346 0.0294 0.0322
20:01-21:00, Sun., 02 Nov. 0.0338 0.0303 0.0323
19:01-20:00, Sun., 02 Nov. 0.0339 0.0297 0.0324
18:01-19:00, Sun., 02 Nov. 0.0339 0.0301 0.0323
17:01-18:00, Sun., 02 Nov. 0.0351 0.0303 0.0326
16:01-17:00, Sun., 02 Nov. 0.0343 0.0296 0.0323
15:01-16:00, Sun., 02 Nov. 0.0352 0.0303 0.0324
14:01-15:00, Sun., 02 Nov. 0.0354 0.0296 0.0321
13:01-14:00, Sun., 02 Nov. 0.0346 0.0304 0.0324
12:01-13:00, Sun., 02 Nov. 0.0351 0.0301 0.0325
11:01-12:00, Sun., 02 Nov. 0.0353 0.0302 0.0326
10:01-11:00, Sun., 02 Nov. 0.0350 0.0302 0.0328
09:01-10:00, Sun., 02 Nov. 0.0372 0.0311 0.0331
08:01-09:00, Sun., 02 Nov. 0.0356 0.0308 0.0328
07:01-08:00, Sun., 02 Nov. 0.0353 0.0307 0.0328
06:01-07:00, Sun., 02 Nov. 0.0358 0.0309 0.0330
05:01-06:00, Sun., 02 Nov. 0.0346 0.0308 0.0329
04:01-05:00, Sun., 02 Nov. 0.0356 0.0295 0.0324
03:01-04:00, Sun., 02 Nov. 0.0351 0.0290 0.0320
02:01-03:00, Sun., 02 Nov. 0.0347 0.0295 0.0321
01:01-02:00, Sun., 02 Nov. 0.0370 0.0284 0.0325
00:01-01:00, Sun., 02 Nov. 0.0353 0.0304 0.0323
23:01-24:00, Sat., 01 Nov. 0.0353 0.0308 0.0326
22:01-23:00, Sat., 01 Nov. 0.0350 0.0301 0.0324
21:01-22:00, Sat., 01 Nov. 0.0352 0.0299 0.0323
20:01-21:00, Sat., 01 Nov. 0.0344 0.0304 0.0323
19:01-20:00, Sat., 01 Nov. 0.0343 0.0300 0.0320
18:01-19:00, Sat., 01 Nov. 0.0357 0.0299 0.0320
17:01-18:00, Sat., 01 Nov. 0.0357 0.0294 0.0321
16:01-17:00, Sat., 01 Nov. 0.0343 0.0301 0.0321
15:01-16:00, Sat., 01 Nov. 0.0339 0.0301 0.0323
14:01-15:00, Sat., 01 Nov. 0.0357 0.0295 0.0323
13:01-14:00, Sat., 01 Nov. 0.0351 0.0297 0.0322
12:01-13:00, Sat., 01 Nov. 0.0343 0.0296 0.0321
11:01-12:00, Sat., 01 Nov. 0.0350 0.0303 0.0323
10:01-11:00, Sat., 01 Nov. 0.0347 0.0305 0.0321
09:01-10:00, Sat., 01 Nov. 0.0344 0.0294 0.0321
08:01-09:00, Sat., 01 Nov. 0.0343 0.0296 0.0318
07:01-08:00, Sat., 01 Nov. 0.0351 0.0298 0.0323
06:01-07:00, Sat., 01 Nov. 0.0363 0.0297 0.0322
05:01-06:00, Sat., 01 Nov. 0.0346 0.0301 0.0322
04:01-05:00, Sat., 01 Nov. 0.0343 0.0304 0.0321
03:01-04:00, Sat., 01 Nov. 0.0343 0.0298 0.0319
02:01-03:00, Sat., 01 Nov. 0.0348 0.0308 0.0324
01:01-02:00, Sat., 01 Nov. 0.0360 0.0308 0.0335
00:01-01:00, Sat., 01 Nov. 0.0401 0.0336 0.0368
23:01-24:00, Fri., 31 Oct. 0.0459 0.0363 0.0411
22:01-23:00, Fri., 31 Oct. 0.0484 0.0423 0.0451
21:01-22:00, Fri., 31 Oct. 0.0462 0.0402 0.0432
20:01-21:00, Fri., 31 Oct. 0.0441 0.0384 0.0416
19:01-20:00, Fri., 31 Oct. 0.0459 0.0400 0.0429
18:01-19:00, Fri., 31 Oct. 0.0468 0.0377 0.0430
17:01-18:00, Fri., 31 Oct. 0.0409 0.0353 0.0383
16:01-17:00, Fri., 31 Oct. 0.0389 0.0335 0.0365
15:01-16:00, Fri., 31 Oct. 0.0352 0.0304 0.0332
14:01-15:00, Fri., 31 Oct. 0.0344 0.0298 0.0325
13:01-14:00, Fri., 31 Oct. 0.0349 0.0310 0.0327
12:01-13:00, Fri., 31 Oct. 0.0351 0.0306 0.0324
11:01-12:00, Fri., 31 Oct. 0.0347 0.0304 0.0326
10:01-11:00, Fri., 31 Oct. 0.0367 0.0301 0.0325
09:01-10:00, Fri., 31 Oct. 0.0339 0.0301 0.0320
08:01-09:00, Fri., 31 Oct. 0.0343 0.0291 0.0323
07:01-08:00, Fri., 31 Oct. 0.0348 0.0301 0.0326
06:01-07:00, Fri., 31 Oct. 0.0352 0.0304 0.0325
05:01-06:00, Fri., 31 Oct. 0.0354 0.0303 0.0326
04:01-05:00, Fri., 31 Oct. 0.0353 0.0305 0.0325
03:01-04:00, Fri., 31 Oct. 0.0347 0.0304 0.0326
02:01-03:00, Fri., 31 Oct. 0.0355 0.0304 0.0329
01:01-02:00, Fri., 31 Oct. 0.0349 0.0301 0.0325
00:01-01:00, Fri., 31 Oct. 0.0343 0.0301 0.0321
23:01-24:00, Thu., 30 Oct. 0.0340 0.0298 0.0319
22:01-23:00, Thu., 30 Oct. 0.0353 0.0304 0.0322
21:01-22:00, Thu., 30 Oct. 0.0346 0.0300 0.0321
20:01-21:00, Thu., 30 Oct. 0.0344 0.0297 0.0321
19:01-20:00, Thu., 30 Oct. 0.0346 0.0293 0.0318
18:01-19:00, Thu., 30 Oct. 0.0348 0.0299 0.0319
17:01-18:00, Thu., 30 Oct. 0.0342 0.0297 0.0321
16:01-17:00, Thu., 30 Oct. 0.0360 0.0304 0.0321
15:01-16:00, Thu., 30 Oct. 0.0341 0.0306 0.0322
14:01-15:00, Thu., 30 Oct. 0.0348 0.0297 0.0318
13:01-14:00, Thu., 30 Oct. 0.0340 0.0298 0.0322
12:01-13:00, Thu., 30 Oct. 0.0350 0.0303 0.0322
11:01-12:00, Thu., 30 Oct. 0.0343 0.0298 0.0323
10:01-11:00, Thu., 30 Oct. 0.0339 0.0296 0.0322
09:01-10:00, Thu., 30 Oct. 0.0347 0.0304 0.0321
08:01-09:00, Thu., 30 Oct. 0.0346 0.0304 0.0321
07:01-08:00, Thu., 30 Oct. 0.0349 0.0294 0.0322
06:01-07:00, Thu., 30 Oct. 0.0346 0.0290 0.0321
05:01-06:00, Thu., 30 Oct. 0.0337 0.0301 0.0320
04:01-05:00, Thu., 30 Oct. 0.0343 0.0294 0.0319
03:01-04:00, Thu., 30 Oct. 0.0347 0.0297 0.0319
02:01-03:00, Thu., 30 Oct. 0.0342 0.0297 0.0319
01:01-02:00, Thu., 30 Oct. 0.0349 0.0300 0.0323
00:01-01:00, Thu., 30 Oct. 0.0346 0.0291 0.0320
23:01-24:00, Wed., 29 Oct. 0.0346 0.0300 0.0322
22:01-23:00, Wed., 29 Oct. 0.0350 0.0304 0.0322
21:01-22:00, Wed., 29 Oct. 0.0340 0.0290 0.0318
20:01-21:00, Wed., 29 Oct. 0.0342 0.0300 0.0321
19:01-20:00, Wed., 29 Oct. 0.0346 0.0301 0.0320
18:01-19:00, Wed., 29 Oct. 0.0343 0.0301 0.0322
17:01-18:00, Wed., 29 Oct. 0.0349 0.0299 0.0319
16:01-17:00, Wed., 29 Oct. 0.0340 0.0300 0.0321
15:01-16:00, Wed., 29 Oct. 0.0347 0.0295 0.0319
14:01-15:00, Wed., 29 Oct. 0.0345 0.0295 0.0318
13:01-14:00, Wed., 29 Oct. 0.0342 0.0298 0.0320
12:01-13:00, Wed., 29 Oct. 0.0343 0.0294 0.0320
11:01-12:00, Wed., 29 Oct. 0.0340 0.0301 0.0320
10:01-11:00, Wed., 29 Oct. 0.0345 0.0298 0.0322
09:01-10:00, Wed., 29 Oct. 0.0343 0.0290 0.0321
08:01-09:00, Wed., 29 Oct. 0.0343 0.0286 0.0321
07:01-08:00, Wed., 29 Oct. 0.0333 0.0304 0.0322
06:01-07:00, Wed., 29 Oct. 0.0342 0.0303 0.0321
05:01-06:00, Wed., 29 Oct. 0.0346 0.0297 0.0320
04:01-05:00, Wed., 29 Oct. 0.0347 0.0301 0.0322
03:01-04:00, Wed., 29 Oct. 0.0349 0.0303 0.0321
02:01-03:00, Wed., 29 Oct. 0.0339 0.0297 0.0321
01:01-02:00, Wed., 29 Oct. 0.0346 0.0290 0.0317
00:01-01:00, Wed., 29 Oct. 0.0347 0.0289 0.0319
23:01-24:00, Tue., 28 Oct. 0.0349 0.0292 0.0319
22:01-23:00, Tue., 28 Oct. 0.0340 0.0283 0.0317
21:01-22:00, Tue., 28 Oct. 0.0336 0.0303 0.0319
20:01-21:00, Tue., 28 Oct. 0.0343 0.0297 0.0320
19:01-20:00, Tue., 28 Oct. 0.0339 0.0294 0.0319
18:01-19:00, Tue., 28 Oct. 0.0344 0.0289 0.0319
17:01-18:00, Tue., 28 Oct. 0.0343 0.0301 0.0320
16:01-17:00, Tue., 28 Oct. 0.0333 0.0297 0.0319
15:01-16:00, Tue., 28 Oct. 0.0353 0.0299 0.0321
14:01-15:00, Tue., 28 Oct. 0.0346 0.0289 0.0321
13:01-14:00, Tue., 28 Oct. 0.0346 0.0290 0.0320
12:01-13:00, Tue., 28 Oct. 0.0343 0.0302 0.0321
11:01-12:00, Tue., 28 Oct. 0.0346 0.0299 0.0321
10:01-11:00, Tue., 28 Oct. 0.0339 0.0303 0.0321
09:01-10:00, Tue., 28 Oct. 0.0342 0.0295 0.0319
08:01-09:00, Tue., 28 Oct. 0.0342 0.0297 0.0318
07:01-08:00, Tue., 28 Oct. 0.0342 0.0294 0.0323
06:01-07:00, Tue., 28 Oct. 0.0343 0.0304 0.0322
05:01-06:00, Tue., 28 Oct. 0.0338 0.0304 0.0322
04:01-05:00, Tue., 28 Oct. 0.0346 0.0302 0.0324
03:01-04:00, Tue., 28 Oct. 0.0352 0.0303 0.0322
02:01-03:00, Tue., 28 Oct. 0.0346 0.0290 0.0320
01:01-02:00, Tue., 28 Oct. 0.0343 0.0301 0.0323
00:01-01:00, Tue., 28 Oct. 0.0346 0.0290 0.0321
23:01-24:00, Mon., 27 Oct. 0.0340 0.0288 0.0319
22:01-23:00, Mon., 27 Oct. 0.0343 0.0297 0.0319
21:01-22:00, Mon., 27 Oct. 0.0339 0.0304 0.0320
20:01-21:00, Mon., 27 Oct. 0.0344 0.0297 0.0322
19:01-20:00, Mon., 27 Oct. 0.0334 0.0299 0.0317
18:01-19:00, Mon., 27 Oct. 0.0344 0.0283 0.0318
17:01-18:00, Mon., 27 Oct. 0.0343 0.0305 0.0321
16:01-17:00, Mon., 27 Oct. 0.0343 0.0301 0.0320
15:01-16:00, Mon., 27 Oct. 0.0342 0.0287 0.0320
14:01-15:00, Mon., 27 Oct. 0.0348 0.0295 0.0317
13:01-14:00, Mon., 27 Oct. 0.0346 0.0300 0.0318
12:01-13:00, Mon., 27 Oct. 0.0336 0.0293 0.0318
11:01-12:00, Mon., 27 Oct. 0.0339 0.0294 0.0316
10:01-11:00, Mon., 27 Oct. 0.0343 0.0297 0.0320
09:01-10:00, Mon., 27 Oct. 0.0334 0.0299 0.0317
08:01-09:00, Mon., 27 Oct. 0.0342 0.0297 0.0318
07:01-08:00, Mon., 27 Oct. 0.0341 0.0289 0.0320
06:01-07:00, Mon., 27 Oct. 0.0357 0.0297 0.0323
05:01-06:00, Mon., 27 Oct. 0.0342 0.0298 0.0321
04:01-05:00, Mon., 27 Oct. 0.0343 0.0305 0.0321
03:01-04:00, Mon., 27 Oct. 0.0340 0.0298 0.0320
02:01-03:00, Mon., 27 Oct. 0.0349 0.0293 0.0318
01:01-02:00, Mon., 27 Oct. 0.0346 0.0297 0.0319
00:01-01:00, Mon., 27 Oct. 0.0353 0.0292 0.0320