Measurement results by the hour (Ota) 14 Apr., 2025 - 20 Apr., 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., 20 Apr. 0.0336 0.0293 0.0316
22:01-23:00, Sun., 20 Apr. 0.0333 0.0290 0.0315
21:01-22:00, Sun., 20 Apr. 0.0337 0.0294 0.0317
20:01-21:00, Sun., 20 Apr. 0.0339 0.0299 0.0318
19:01-20:00, Sun., 20 Apr. 0.0339 0.0298 0.0317
18:01-19:00, Sun., 20 Apr. 0.0339 0.0295 0.0317
17:01-18:00, Sun., 20 Apr. 0.0344 0.0301 0.0320
16:01-17:00, Sun., 20 Apr. 0.0350 0.0295 0.0318
15:01-16:00, Sun., 20 Apr. 0.0344 0.0299 0.0320
14:01-15:00, Sun., 20 Apr. 0.0348 0.0295 0.0319
13:01-14:00, Sun., 20 Apr. 0.0341 0.0301 0.0319
12:01-13:00, Sun., 20 Apr. 0.0341 0.0294 0.0318
11:01-12:00, Sun., 20 Apr. 0.0345 0.0298 0.0322
10:01-11:00, Sun., 20 Apr. 0.0347 0.0288 0.0318
09:01-10:00, Sun., 20 Apr. 0.0335 0.0290 0.0316
08:01-09:00, Sun., 20 Apr. 0.0349 0.0291 0.0319
07:01-08:00, Sun., 20 Apr. 0.0342 0.0289 0.0316
06:01-07:00, Sun., 20 Apr. 0.0343 0.0296 0.0319
05:01-06:00, Sun., 20 Apr. 0.0352 0.0285 0.0315
04:01-05:00, Sun., 20 Apr. 0.0339 0.0297 0.0314
03:01-04:00, Sun., 20 Apr. 0.0341 0.0294 0.0317
02:01-03:00, Sun., 20 Apr. 0.0342 0.0299 0.0318
01:01-02:00, Sun., 20 Apr. 0.0336 0.0303 0.0319
00:01-01:00, Sun., 20 Apr. 0.0340 0.0294 0.0316
23:01-24:00, Sat., 19 Apr. 0.0345 0.0300 0.0319
22:01-23:00, Sat., 19 Apr. 0.0340 0.0301 0.0317
21:01-22:00, Sat., 19 Apr. 0.0336 0.0291 0.0317
20:01-21:00, Sat., 19 Apr. 0.0343 0.0296 0.0316
19:01-20:00, Sat., 19 Apr. 0.0343 0.0300 0.0320
18:01-19:00, Sat., 19 Apr. 0.0343 0.0290 0.0319
17:01-18:00, Sat., 19 Apr. 0.0341 0.0293 0.0319
16:01-17:00, Sat., 19 Apr. 0.0352 0.0299 0.0319
15:01-16:00, Sat., 19 Apr. 0.0354 0.0305 0.0321
14:01-15:00, Sat., 19 Apr. 0.0341 0.0303 0.0322
13:01-14:00, Sat., 19 Apr. 0.0347 0.0301 0.0325
12:01-13:00, Sat., 19 Apr. 0.0352 0.0297 0.0323
11:01-12:00, Sat., 19 Apr. 0.0346 0.0304 0.0324
10:01-11:00, Sat., 19 Apr. 0.0340 0.0296 0.0318
09:01-10:00, Sat., 19 Apr. 0.0349 0.0296 0.0319
08:01-09:00, Sat., 19 Apr. 0.0346 0.0294 0.0317
07:01-08:00, Sat., 19 Apr. 0.0352 0.0292 0.0323
06:01-07:00, Sat., 19 Apr. 0.0349 0.0290 0.0320
05:01-06:00, Sat., 19 Apr. 0.0342 0.0294 0.0315
04:01-05:00, Sat., 19 Apr. 0.0346 0.0297 0.0318
03:01-04:00, Sat., 19 Apr. 0.0337 0.0300 0.0317
02:01-03:00, Sat., 19 Apr. 0.0336 0.0299 0.0318
01:01-02:00, Sat., 19 Apr. 0.0347 0.0290 0.0317
00:01-01:00, Sat., 19 Apr. 0.0338 0.0289 0.0317
23:01-24:00, Fri., 18 Apr. 0.0339 0.0289 0.0317
22:01-23:00, Fri., 18 Apr. 0.0340 0.0285 0.0317
21:01-22:00, Fri., 18 Apr. 0.0346 0.0301 0.0319
20:01-21:00, Fri., 18 Apr. 0.0335 0.0298 0.0317
19:01-20:00, Fri., 18 Apr. 0.0343 0.0292 0.0316
18:01-19:00, Fri., 18 Apr. 0.0344 0.0292 0.0315
17:01-18:00, Fri., 18 Apr. 0.0336 0.0291 0.0316
16:01-17:00, Fri., 18 Apr. 0.0348 0.0295 0.0319
15:01-16:00, Fri., 18 Apr. 0.0337 0.0296 0.0318
14:01-15:00, Fri., 18 Apr. 0.0340 0.0294 0.0320
13:01-14:00, Fri., 18 Apr. 0.0351 0.0298 0.0317
12:01-13:00, Fri., 18 Apr. 0.0337 0.0290 0.0317
11:01-12:00, Fri., 18 Apr. 0.0342 0.0301 0.0317
10:01-11:00, Fri., 18 Apr. 0.0344 0.0297 0.0322
09:01-10:00, Fri., 18 Apr. 0.0350 0.0310 0.0326
08:01-09:00, Fri., 18 Apr. 0.0356 0.0291 0.0329
07:01-08:00, Fri., 18 Apr. 0.0352 0.0311 0.0328
06:01-07:00, Fri., 18 Apr. 0.0349 0.0300 0.0330
05:01-06:00, Fri., 18 Apr. 0.0355 0.0303 0.0327
04:01-05:00, Fri., 18 Apr. 0.0344 0.0290 0.0320
03:01-04:00, Fri., 18 Apr. 0.0339 0.0297 0.0319
02:01-03:00, Fri., 18 Apr. 0.0332 0.0298 0.0315
01:01-02:00, Fri., 18 Apr. 0.0340 0.0287 0.0319
00:01-01:00, Fri., 18 Apr. 0.0338 0.0300 0.0315
23:01-24:00, Thu., 17 Apr. 0.0348 0.0291 0.0317
22:01-23:00, Thu., 17 Apr. 0.0339 0.0288 0.0317
21:01-22:00, Thu., 17 Apr. 0.0339 0.0299 0.0319
20:01-21:00, Thu., 17 Apr. 0.0353 0.0284 0.0318
19:01-20:00, Thu., 17 Apr. 0.0341 0.0283 0.0318
18:01-19:00, Thu., 17 Apr. 0.0337 0.0295 0.0316
17:01-18:00, Thu., 17 Apr. 0.0342 0.0301 0.0319
16:01-17:00, Thu., 17 Apr. 0.0355 0.0304 0.0326
15:01-16:00, Thu., 17 Apr. 0.0353 0.0297 0.0323
14:01-15:00, Thu., 17 Apr. 0.0344 0.0292 0.0322
13:01-14:00, Thu., 17 Apr. 0.0346 0.0305 0.0322
12:01-13:00, Thu., 17 Apr. 0.0348 0.0297 0.0323
11:01-12:00, Thu., 17 Apr. 0.0346 0.0306 0.0325
10:01-11:00, Thu., 17 Apr. 0.0345 0.0297 0.0325
09:01-10:00, Thu., 17 Apr. 0.0349 0.0303 0.0320
08:01-09:00, Thu., 17 Apr. 0.0343 0.0293 0.0320
07:01-08:00, Thu., 17 Apr. 0.0344 0.0297 0.0323
06:01-07:00, Thu., 17 Apr. 0.0341 0.0304 0.0322
05:01-06:00, Thu., 17 Apr. 0.0342 0.0293 0.0323
04:01-05:00, Thu., 17 Apr. 0.0348 0.0301 0.0322
03:01-04:00, Thu., 17 Apr. 0.0345 0.0300 0.0320
02:01-03:00, Thu., 17 Apr. 0.0349 0.0294 0.0321
01:01-02:00, Thu., 17 Apr. 0.0340 0.0297 0.0319
00:01-01:00, Thu., 17 Apr. 0.0343 0.0297 0.0318
23:01-24:00, Wed., 16 Apr. 0.0338 0.0291 0.0312
22:01-23:00, Wed., 16 Apr. 0.0336 0.0292 0.0319
21:01-22:00, Wed., 16 Apr. 0.0335 0.0297 0.0313
20:01-21:00, Wed., 16 Apr. 0.0336 0.0291 0.0317
19:01-20:00, Wed., 16 Apr. 0.0353 0.0294 0.0320
18:01-19:00, Wed., 16 Apr. 0.0337 0.0295 0.0319
17:01-18:00, Wed., 16 Apr. 0.0346 0.0293 0.0322
16:01-17:00, Wed., 16 Apr. 0.0350 0.0301 0.0326
15:01-16:00, Wed., 16 Apr. 0.0349 0.0300 0.0325
14:01-15:00, Wed., 16 Apr. 0.0349 0.0304 0.0327
13:01-14:00, Wed., 16 Apr. 0.0349 0.0304 0.0327
12:01-13:00, Wed., 16 Apr. 0.0349 0.0303 0.0323
11:01-12:00, Wed., 16 Apr. 0.0353 0.0290 0.0320
10:01-11:00, Wed., 16 Apr. 0.0345 0.0298 0.0319
09:01-10:00, Wed., 16 Apr. 0.0345 0.0293 0.0319
08:01-09:00, Wed., 16 Apr. 0.0342 0.0295 0.0321
07:01-08:00, Wed., 16 Apr. 0.0342 0.0299 0.0321
06:01-07:00, Wed., 16 Apr. 0.0343 0.0294 0.0322
05:01-06:00, Wed., 16 Apr. 0.0348 0.0296 0.0318
04:01-05:00, Wed., 16 Apr. 0.0342 0.0297 0.0319
03:01-04:00, Wed., 16 Apr. 0.0340 0.0297 0.0319
02:01-03:00, Wed., 16 Apr. 0.0339 0.0296 0.0316
01:01-02:00, Wed., 16 Apr. 0.0340 0.0289 0.0320
00:01-01:00, Wed., 16 Apr. 0.0340 0.0290 0.0321
23:01-24:00, Tue., 15 Apr. 0.0349 0.0295 0.0322
22:01-23:00, Tue., 15 Apr. 0.0349 0.0300 0.0320
21:01-22:00, Tue., 15 Apr. 0.0350 0.0300 0.0319
20:01-21:00, Tue., 15 Apr. 0.0339 0.0283 0.0319
19:01-20:00, Tue., 15 Apr. 0.0344 0.0297 0.0321
18:01-19:00, Tue., 15 Apr. 0.0344 0.0304 0.0321
17:01-18:00, Tue., 15 Apr. 0.0353 0.0307 0.0326
16:01-17:00, Tue., 15 Apr. 0.0346 0.0304 0.0326
15:01-16:00, Tue., 15 Apr. 0.0351 0.0303 0.0325
14:01-15:00, Tue., 15 Apr. 0.0346 0.0304 0.0323
13:01-14:00, Tue., 15 Apr. 0.0345 0.0303 0.0326
12:01-13:00, Tue., 15 Apr. 0.0347 0.0302 0.0324
11:01-12:00, Tue., 15 Apr. 0.0347 0.0301 0.0320
10:01-11:00, Tue., 15 Apr. 0.0346 0.0303 0.0322
09:01-10:00, Tue., 15 Apr. 0.0355 0.0298 0.0326
08:01-09:00, Tue., 15 Apr. 0.0366 0.0317 0.0343
07:01-08:00, Tue., 15 Apr. 0.0383 0.0315 0.0356
06:01-07:00, Tue., 15 Apr. 0.0375 0.0321 0.0345
05:01-06:00, Tue., 15 Apr. 0.0451 0.0348 0.0402
04:01-05:00, Tue., 15 Apr. 0.0472 0.0337 0.0398
03:01-04:00, Tue., 15 Apr. 0.0350 0.0315 0.0330
02:01-03:00, Tue., 15 Apr. 0.0336 0.0293 0.0319
01:01-02:00, Tue., 15 Apr. 0.0343 0.0290 0.0317
00:01-01:00, Tue., 15 Apr. 0.0345 0.0296 0.0321
23:01-24:00, Mon., 14 Apr. 0.0339 0.0300 0.0321
22:01-23:00, Mon., 14 Apr. 0.0344 0.0294 0.0321
21:01-22:00, Mon., 14 Apr. 0.0340 0.0298 0.0319
20:01-21:00, Mon., 14 Apr. 0.0339 0.0301 0.0320
19:01-20:00, Mon., 14 Apr. 0.0345 0.0286 0.0317
18:01-19:00, Mon., 14 Apr. 0.0334 0.0291 0.0315
17:01-18:00, Mon., 14 Apr. 0.0334 0.0291 0.0315
16:01-17:00, Mon., 14 Apr. 0.0344 0.0296 0.0320
15:01-16:00, Mon., 14 Apr. 0.0339 0.0293 0.0319
14:01-15:00, Mon., 14 Apr. 0.0344 0.0300 0.0320
13:01-14:00, Mon., 14 Apr. 0.0343 0.0302 0.0323
12:01-13:00, Mon., 14 Apr. 0.0336 0.0298 0.0320
11:01-12:00, Mon., 14 Apr. 0.0347 0.0298 0.0319
10:01-11:00, Mon., 14 Apr. 0.0343 0.0298 0.0319
09:01-10:00, Mon., 14 Apr. 0.0339 0.0289 0.0313
08:01-09:00, Mon., 14 Apr. 0.0355 0.0290 0.0314
07:01-08:00, Mon., 14 Apr. 0.0337 0.0294 0.0315
06:01-07:00, Mon., 14 Apr. 0.0343 0.0300 0.0320
05:01-06:00, Mon., 14 Apr. 0.0371 0.0309 0.0338
04:01-05:00, Mon., 14 Apr. 0.0428 0.0346 0.0389
03:01-04:00, Mon., 14 Apr. 0.0426 0.0325 0.0373
02:01-03:00, Mon., 14 Apr. 0.0379 0.0319 0.0350
01:01-02:00, Mon., 14 Apr. 0.0384 0.0341 0.0364
00:01-01:00, Mon., 14 Apr. 0.0386 0.0344 0.0363