Measurement results by the hour (Ota) 24 Mar., 2025 - 30 Mar., 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., 30 Mar. 0.0365 0.0300 0.0331
22:01-23:00, Sun., 30 Mar. 0.0346 0.0294 0.0318
21:01-22:00, Sun., 30 Mar. 0.0350 0.0294 0.0317
20:01-21:00, Sun., 30 Mar. 0.0338 0.0297 0.0315
19:01-20:00, Sun., 30 Mar. 0.0345 0.0293 0.0316
18:01-19:00, Sun., 30 Mar. 0.0344 0.0294 0.0317
17:01-18:00, Sun., 30 Mar. 0.0339 0.0290 0.0316
16:01-17:00, Sun., 30 Mar. 0.0346 0.0294 0.0317
15:01-16:00, Sun., 30 Mar. 0.0345 0.0295 0.0318
14:01-15:00, Sun., 30 Mar. 0.0335 0.0293 0.0315
13:01-14:00, Sun., 30 Mar. 0.0345 0.0302 0.0318
12:01-13:00, Sun., 30 Mar. 0.0337 0.0299 0.0318
11:01-12:00, Sun., 30 Mar. 0.0349 0.0294 0.0317
10:01-11:00, Sun., 30 Mar. 0.0336 0.0294 0.0317
09:01-10:00, Sun., 30 Mar. 0.0336 0.0296 0.0315
08:01-09:00, Sun., 30 Mar. 0.0335 0.0298 0.0316
07:01-08:00, Sun., 30 Mar. 0.0336 0.0294 0.0315
06:01-07:00, Sun., 30 Mar. 0.0332 0.0294 0.0315
05:01-06:00, Sun., 30 Mar. 0.0340 0.0287 0.0316
04:01-05:00, Sun., 30 Mar. 0.0343 0.0296 0.0320
03:01-04:00, Sun., 30 Mar. 0.0350 0.0296 0.0330
02:01-03:00, Sun., 30 Mar. 0.0350 0.0304 0.0323
01:01-02:00, Sun., 30 Mar. 0.0353 0.0305 0.0331
00:01-01:00, Sun., 30 Mar. 0.0360 0.0309 0.0336
23:01-24:00, Sat., 29 Mar. 0.0363 0.0298 0.0336
22:01-23:00, Sat., 29 Mar. 0.0332 0.0294 0.0311
21:01-22:00, Sat., 29 Mar. 0.0339 0.0291 0.0312
20:01-21:00, Sat., 29 Mar. 0.0346 0.0294 0.0323
19:01-20:00, Sat., 29 Mar. 0.0372 0.0305 0.0343
18:01-19:00, Sat., 29 Mar. 0.0410 0.0335 0.0371
17:01-18:00, Sat., 29 Mar. 0.0413 0.0346 0.0382
16:01-17:00, Sat., 29 Mar. 0.0374 0.0318 0.0349
15:01-16:00, Sat., 29 Mar. 0.0421 0.0329 0.0362
14:01-15:00, Sat., 29 Mar. 0.0451 0.0370 0.0406
13:01-14:00, Sat., 29 Mar. 0.0475 0.0388 0.0430
12:01-13:00, Sat., 29 Mar. 0.0484 0.0425 0.0454
11:01-12:00, Sat., 29 Mar. 0.0533 0.0457 0.0498
10:01-11:00, Sat., 29 Mar. 0.0545 0.0385 0.0481
09:01-10:00, Sat., 29 Mar. 0.0581 0.0398 0.0489
08:01-09:00, Sat., 29 Mar. 0.0609 0.0430 0.0528
07:01-08:00, Sat., 29 Mar. 0.0456 0.0377 0.0416
06:01-07:00, Sat., 29 Mar. 0.0457 0.0370 0.0423
05:01-06:00, Sat., 29 Mar. 0.0393 0.0296 0.0351
04:01-05:00, Sat., 29 Mar. 0.0339 0.0296 0.0320
03:01-04:00, Sat., 29 Mar. 0.0349 0.0296 0.0321
02:01-03:00, Sat., 29 Mar. 0.0365 0.0305 0.0336
01:01-02:00, Sat., 29 Mar. 0.0429 0.0337 0.0377
00:01-01:00, Sat., 29 Mar. 0.0449 0.0325 0.0407
23:01-24:00, Fri., 28 Mar. 0.0359 0.0300 0.0325
22:01-23:00, Fri., 28 Mar. 0.0339 0.0295 0.0321
21:01-22:00, Fri., 28 Mar. 0.0343 0.0297 0.0320
20:01-21:00, Fri., 28 Mar. 0.0356 0.0297 0.0321
19:01-20:00, Fri., 28 Mar. 0.0339 0.0297 0.0321
18:01-19:00, Fri., 28 Mar. 0.0340 0.0301 0.0321
17:01-18:00, Fri., 28 Mar. 0.0351 0.0294 0.0320
16:01-17:00, Fri., 28 Mar. 0.0349 0.0302 0.0320
15:01-16:00, Fri., 28 Mar. 0.0338 0.0294 0.0317
14:01-15:00, Fri., 28 Mar. 0.0336 0.0290 0.0315
13:01-14:00, Fri., 28 Mar. 0.0338 0.0294 0.0316
12:01-13:00, Fri., 28 Mar. 0.0341 0.0300 0.0321
11:01-12:00, Fri., 28 Mar. 0.0356 0.0299 0.0334
10:01-11:00, Fri., 28 Mar. 0.0428 0.0331 0.0381
09:01-10:00, Fri., 28 Mar. 0.0583 0.0404 0.0505
08:01-09:00, Fri., 28 Mar. 0.0595 0.0467 0.0546
07:01-08:00, Fri., 28 Mar. 0.0482 0.0332 0.0391
06:01-07:00, Fri., 28 Mar. 0.0360 0.0305 0.0331
05:01-06:00, Fri., 28 Mar. 0.0356 0.0305 0.0324
04:01-05:00, Fri., 28 Mar. 0.0339 0.0304 0.0323
03:01-04:00, Fri., 28 Mar. 0.0349 0.0305 0.0322
02:01-03:00, Fri., 28 Mar. 0.0339 0.0292 0.0319
01:01-02:00, Fri., 28 Mar. 0.0346 0.0299 0.0320
00:01-01:00, Fri., 28 Mar. 0.0345 0.0295 0.0318
23:01-24:00, Thu., 27 Mar. 0.0335 0.0294 0.0319
22:01-23:00, Thu., 27 Mar. 0.0337 0.0291 0.0316
21:01-22:00, Thu., 27 Mar. 0.0346 0.0294 0.0319
20:01-21:00, Thu., 27 Mar. 0.0336 0.0287 0.0317
19:01-20:00, Thu., 27 Mar. 0.0342 0.0297 0.0317
18:01-19:00, Thu., 27 Mar. 0.0350 0.0293 0.0318
17:01-18:00, Thu., 27 Mar. 0.0346 0.0297 0.0321
16:01-17:00, Thu., 27 Mar. 0.0350 0.0305 0.0322
15:01-16:00, Thu., 27 Mar. 0.0341 0.0301 0.0324
14:01-15:00, Thu., 27 Mar. 0.0347 0.0294 0.0325
13:01-14:00, Thu., 27 Mar. 0.0344 0.0304 0.0326
12:01-13:00, Thu., 27 Mar. 0.0350 0.0301 0.0325
11:01-12:00, Thu., 27 Mar. 0.0348 0.0301 0.0324
10:01-11:00, Thu., 27 Mar. 0.0350 0.0300 0.0326
09:01-10:00, Thu., 27 Mar. 0.0345 0.0297 0.0322
08:01-09:00, Thu., 27 Mar. 0.0341 0.0299 0.0324
07:01-08:00, Thu., 27 Mar. 0.0354 0.0304 0.0323
06:01-07:00, Thu., 27 Mar. 0.0347 0.0301 0.0323
05:01-06:00, Thu., 27 Mar. 0.0348 0.0304 0.0326
04:01-05:00, Thu., 27 Mar. 0.0341 0.0302 0.0322
03:01-04:00, Thu., 27 Mar. 0.0346 0.0301 0.0322
02:01-03:00, Thu., 27 Mar. 0.0362 0.0298 0.0323
01:01-02:00, Thu., 27 Mar. 0.0346 0.0301 0.0324
00:01-01:00, Thu., 27 Mar. 0.0353 0.0295 0.0323
23:01-24:00, Wed., 26 Mar. 0.0349 0.0293 0.0323
22:01-23:00, Wed., 26 Mar. 0.0338 0.0302 0.0321
21:01-22:00, Wed., 26 Mar. 0.0347 0.0297 0.0320
20:01-21:00, Wed., 26 Mar. 0.0343 0.0303 0.0324
19:01-20:00, Wed., 26 Mar. 0.0344 0.0307 0.0323
18:01-19:00, Wed., 26 Mar. 0.0347 0.0309 0.0326
17:01-18:00, Wed., 26 Mar. 0.0349 0.0284 0.0322
16:01-17:00, Wed., 26 Mar. 0.0341 0.0297 0.0326
15:01-16:00, Wed., 26 Mar. 0.0356 0.0306 0.0328
14:01-15:00, Wed., 26 Mar. 0.0355 0.0304 0.0329
13:01-14:00, Wed., 26 Mar. 0.0353 0.0304 0.0330
12:01-13:00, Wed., 26 Mar. 0.0354 0.0309 0.0333
11:01-12:00, Wed., 26 Mar. 0.0351 0.0305 0.0331
10:01-11:00, Wed., 26 Mar. 0.0351 0.0297 0.0329
09:01-10:00, Wed., 26 Mar. 0.0358 0.0294 0.0324
08:01-09:00, Wed., 26 Mar. 0.0346 0.0295 0.0326
07:01-08:00, Wed., 26 Mar. 0.0346 0.0294 0.0323
06:01-07:00, Wed., 26 Mar. 0.0355 0.0302 0.0323
05:01-06:00, Wed., 26 Mar. 0.0350 0.0297 0.0323
04:01-05:00, Wed., 26 Mar. 0.0345 0.0298 0.0323
03:01-04:00, Wed., 26 Mar. 0.0347 0.0298 0.0321
02:01-03:00, Wed., 26 Mar. 0.0345 0.0296 0.0322
01:01-02:00, Wed., 26 Mar. 0.0349 0.0304 0.0323
00:01-01:00, Wed., 26 Mar. 0.0352 0.0303 0.0323
23:01-24:00, Tue., 25 Mar. 0.0348 0.0296 0.0322
22:01-23:00, Tue., 25 Mar. 0.0338 0.0294 0.0321
21:01-22:00, Tue., 25 Mar. 0.0343 0.0297 0.0324
20:01-21:00, Tue., 25 Mar. 0.0354 0.0310 0.0326
19:01-20:00, Tue., 25 Mar. 0.0344 0.0304 0.0322
18:01-19:00, Tue., 25 Mar. 0.0347 0.0293 0.0322
17:01-18:00, Tue., 25 Mar. 0.0343 0.0296 0.0321
16:01-17:00, Tue., 25 Mar. 0.0349 0.0304 0.0328
15:01-16:00, Tue., 25 Mar. 0.0350 0.0301 0.0328
14:01-15:00, Tue., 25 Mar. 0.0348 0.0303 0.0327
13:01-14:00, Tue., 25 Mar. 0.0346 0.0307 0.0326
12:01-13:00, Tue., 25 Mar. 0.0348 0.0301 0.0326
11:01-12:00, Tue., 25 Mar. 0.0345 0.0296 0.0324
10:01-11:00, Tue., 25 Mar. 0.0347 0.0299 0.0322
09:01-10:00, Tue., 25 Mar. 0.0339 0.0300 0.0321
08:01-09:00, Tue., 25 Mar. 0.0344 0.0293 0.0321
07:01-08:00, Tue., 25 Mar. 0.0350 0.0299 0.0321
06:01-07:00, Tue., 25 Mar. 0.0343 0.0304 0.0322
05:01-06:00, Tue., 25 Mar. 0.0343 0.0295 0.0319
04:01-05:00, Tue., 25 Mar. 0.0350 0.0299 0.0321
03:01-04:00, Tue., 25 Mar. 0.0336 0.0298 0.0319
02:01-03:00, Tue., 25 Mar. 0.0341 0.0297 0.0321
01:01-02:00, Tue., 25 Mar. 0.0346 0.0302 0.0327
00:01-01:00, Tue., 25 Mar. 0.0365 0.0320 0.0343
23:01-24:00, Mon., 24 Mar. 0.0458 0.0352 0.0400
22:01-23:00, Mon., 24 Mar. 0.0479 0.0315 0.0418
21:01-22:00, Mon., 24 Mar. 0.0346 0.0301 0.0321
20:01-21:00, Mon., 24 Mar. 0.0352 0.0304 0.0322
19:01-20:00, Mon., 24 Mar. 0.0351 0.0301 0.0321
18:01-19:00, Mon., 24 Mar. 0.0341 0.0303 0.0322
17:01-18:00, Mon., 24 Mar. 0.0346 0.0294 0.0316
16:01-17:00, Mon., 24 Mar. 0.0349 0.0296 0.0320
15:01-16:00, Mon., 24 Mar. 0.0354 0.0303 0.0324
14:01-15:00, Mon., 24 Mar. 0.0341 0.0303 0.0321
13:01-14:00, Mon., 24 Mar. 0.0343 0.0305 0.0320
12:01-13:00, Mon., 24 Mar. 0.0347 0.0305 0.0326
11:01-12:00, Mon., 24 Mar. 0.0345 0.0294 0.0321
10:01-11:00, Mon., 24 Mar. 0.0361 0.0298 0.0322
09:01-10:00, Mon., 24 Mar. 0.0343 0.0297 0.0320
08:01-09:00, Mon., 24 Mar. 0.0343 0.0294 0.0322
07:01-08:00, Mon., 24 Mar. 0.0343 0.0296 0.0320
06:01-07:00, Mon., 24 Mar. 0.0341 0.0297 0.0321
05:01-06:00, Mon., 24 Mar. 0.0343 0.0291 0.0316
04:01-05:00, Mon., 24 Mar. 0.0343 0.0299 0.0320
03:01-04:00, Mon., 24 Mar. 0.0341 0.0283 0.0320
02:01-03:00, Mon., 24 Mar. 0.0340 0.0297 0.0321
01:01-02:00, Mon., 24 Mar. 0.0339 0.0301 0.0322
00:01-01:00, Mon., 24 Mar. 0.0343 0.0298 0.0320