Measurement results by the hour (Ota) 27 Apr., 2026 - 3 May., 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., 03 May. 0.0346 0.0299 0.0321
22:01-23:00, Sun., 03 May. 0.0347 0.0297 0.0319
21:01-22:00, Sun., 03 May. 0.0352 0.0300 0.0318
20:01-21:00, Sun., 03 May. 0.0341 0.0287 0.0315
19:01-20:00, Sun., 03 May. 0.0347 0.0294 0.0314
18:01-19:00, Sun., 03 May. 0.0348 0.0292 0.0317
17:01-18:00, Sun., 03 May. 0.0338 0.0294 0.0317
16:01-17:00, Sun., 03 May. 0.0336 0.0297 0.0318
15:01-16:00, Sun., 03 May. 0.0351 0.0298 0.0320
14:01-15:00, Sun., 03 May. 0.0335 0.0299 0.0317
13:01-14:00, Sun., 03 May. 0.0357 0.0304 0.0322
12:01-13:00, Sun., 03 May. 0.0345 0.0299 0.0323
11:01-12:00, Sun., 03 May. 0.0344 0.0299 0.0324
10:01-11:00, Sun., 03 May. 0.0353 0.0301 0.0327
09:01-10:00, Sun., 03 May. 0.0343 0.0301 0.0322
08:01-09:00, Sun., 03 May. 0.0351 0.0294 0.0321
07:01-08:00, Sun., 03 May. 0.0343 0.0301 0.0320
06:01-07:00, Sun., 03 May. 0.0339 0.0290 0.0317
05:01-06:00, Sun., 03 May. 0.0339 0.0299 0.0318
04:01-05:00, Sun., 03 May. 0.0336 0.0295 0.0318
03:01-04:00, Sun., 03 May. 0.0349 0.0288 0.0323
02:01-03:00, Sun., 03 May. 0.0351 0.0299 0.0321
01:01-02:00, Sun., 03 May. 0.0343 0.0284 0.0317
00:01-01:00, Sun., 03 May. 0.0350 0.0290 0.0313
23:01-24:00, Sat., 02 May. 0.0336 0.0292 0.0316
22:01-23:00, Sat., 02 May. 0.0347 0.0292 0.0317
21:01-22:00, Sat., 02 May. 0.0348 0.0292 0.0316
20:01-21:00, Sat., 02 May. 0.0335 0.0290 0.0314
19:01-20:00, Sat., 02 May. 0.0338 0.0288 0.0314
18:01-19:00, Sat., 02 May. 0.0336 0.0293 0.0314
17:01-18:00, Sat., 02 May. 0.0346 0.0293 0.0314
16:01-17:00, Sat., 02 May. 0.0340 0.0291 0.0314
15:01-16:00, Sat., 02 May. 0.0342 0.0295 0.0317
14:01-15:00, Sat., 02 May. 0.0339 0.0297 0.0319
13:01-14:00, Sat., 02 May. 0.0339 0.0297 0.0318
12:01-13:00, Sat., 02 May. 0.0343 0.0292 0.0316
11:01-12:00, Sat., 02 May. 0.0334 0.0290 0.0317
10:01-11:00, Sat., 02 May. 0.0341 0.0297 0.0318
09:01-10:00, Sat., 02 May. 0.0342 0.0298 0.0317
08:01-09:00, Sat., 02 May. 0.0344 0.0298 0.0318
07:01-08:00, Sat., 02 May. 0.0336 0.0294 0.0315
06:01-07:00, Sat., 02 May. 0.0334 0.0290 0.0314
05:01-06:00, Sat., 02 May. 0.0344 0.0284 0.0315
04:01-05:00, Sat., 02 May. 0.0341 0.0290 0.0314
03:01-04:00, Sat., 02 May. 0.0357 0.0298 0.0319
02:01-03:00, Sat., 02 May. 0.0342 0.0297 0.0319
01:01-02:00, Sat., 02 May. 0.0339 0.0300 0.0316
00:01-01:00, Sat., 02 May. 0.0343 0.0294 0.0318
23:01-24:00, Fri., 01 May. 0.0332 0.0287 0.0314
22:01-23:00, Fri., 01 May. 0.0336 0.0298 0.0316
21:01-22:00, Fri., 01 May. 0.0346 0.0279 0.0318
20:01-21:00, Fri., 01 May. 0.0349 0.0283 0.0318
19:01-20:00, Fri., 01 May. 0.0336 0.0287 0.0314
18:01-19:00, Fri., 01 May. 0.0354 0.0294 0.0314
17:01-18:00, Fri., 01 May. 0.0336 0.0279 0.0312
16:01-17:00, Fri., 01 May. 0.0337 0.0290 0.0315
15:01-16:00, Fri., 01 May. 0.0340 0.0301 0.0318
14:01-15:00, Fri., 01 May. 0.0373 0.0305 0.0338
13:01-14:00, Fri., 01 May. 0.0426 0.0344 0.0382
12:01-13:00, Fri., 01 May. 0.0457 0.0377 0.0417
11:01-12:00, Fri., 01 May. 0.0450 0.0391 0.0422
10:01-11:00, Fri., 01 May. 0.0454 0.0389 0.0421
09:01-10:00, Fri., 01 May. 0.0446 0.0386 0.0414
08:01-09:00, Fri., 01 May. 0.0433 0.0389 0.0415
07:01-08:00, Fri., 01 May. 0.0457 0.0395 0.0420
06:01-07:00, Fri., 01 May. 0.0444 0.0346 0.0396
05:01-06:00, Fri., 01 May. 0.0442 0.0336 0.0393
04:01-05:00, Fri., 01 May. 0.0470 0.0410 0.0442
03:01-04:00, Fri., 01 May. 0.0467 0.0353 0.0410
02:01-03:00, Fri., 01 May. 0.0402 0.0348 0.0376
01:01-02:00, Fri., 01 May. 0.0416 0.0356 0.0390
00:01-01:00, Fri., 01 May. 0.0405 0.0347 0.0376
23:01-24:00, Thu., 30 Apr. 0.0384 0.0344 0.0363
22:01-23:00, Thu., 30 Apr. 0.0388 0.0305 0.0353
21:01-22:00, Thu., 30 Apr. 0.0339 0.0291 0.0318
20:01-21:00, Thu., 30 Apr. 0.0336 0.0293 0.0316
19:01-20:00, Thu., 30 Apr. 0.0332 0.0288 0.0311
18:01-19:00, Thu., 30 Apr. 0.0333 0.0290 0.0314
17:01-18:00, Thu., 30 Apr. 0.0351 0.0297 0.0321
16:01-17:00, Thu., 30 Apr. 0.0339 0.0297 0.0320
15:01-16:00, Thu., 30 Apr. 0.0337 0.0292 0.0314
14:01-15:00, Thu., 30 Apr. 0.0331 0.0286 0.0308
13:01-14:00, Thu., 30 Apr. 0.0333 0.0294 0.0310
12:01-13:00, Thu., 30 Apr. 0.0331 0.0282 0.0311
11:01-12:00, Thu., 30 Apr. 0.0333 0.0287 0.0313
10:01-11:00, Thu., 30 Apr. 0.0336 0.0293 0.0311
09:01-10:00, Thu., 30 Apr. 0.0326 0.0280 0.0310
08:01-09:00, Thu., 30 Apr. 0.0334 0.0289 0.0313
07:01-08:00, Thu., 30 Apr. 0.0331 0.0292 0.0310
06:01-07:00, Thu., 30 Apr. 0.0336 0.0288 0.0314
05:01-06:00, Thu., 30 Apr. 0.0337 0.0294 0.0318
04:01-05:00, Thu., 30 Apr. 0.0345 0.0299 0.0322
03:01-04:00, Thu., 30 Apr. 0.0339 0.0294 0.0318
02:01-03:00, Thu., 30 Apr. 0.0340 0.0291 0.0318
01:01-02:00, Thu., 30 Apr. 0.0343 0.0293 0.0313
00:01-01:00, Thu., 30 Apr. 0.0336 0.0290 0.0311
23:01-24:00, Wed., 29 Apr. 0.0331 0.0290 0.0309
22:01-23:00, Wed., 29 Apr. 0.0336 0.0289 0.0312
21:01-22:00, Wed., 29 Apr. 0.0334 0.0287 0.0312
20:01-21:00, Wed., 29 Apr. 0.0333 0.0283 0.0312
19:01-20:00, Wed., 29 Apr. 0.0340 0.0286 0.0309
18:01-19:00, Wed., 29 Apr. 0.0343 0.0294 0.0313
17:01-18:00, Wed., 29 Apr. 0.0329 0.0286 0.0311
16:01-17:00, Wed., 29 Apr. 0.0331 0.0288 0.0312
15:01-16:00, Wed., 29 Apr. 0.0330 0.0292 0.0314
14:01-15:00, Wed., 29 Apr. 0.0336 0.0294 0.0316
13:01-14:00, Wed., 29 Apr. 0.0340 0.0296 0.0317
12:01-13:00, Wed., 29 Apr. 0.0334 0.0296 0.0316
11:01-12:00, Wed., 29 Apr. 0.0343 0.0290 0.0317
10:01-11:00, Wed., 29 Apr. 0.0330 0.0286 0.0312
09:01-10:00, Wed., 29 Apr. 0.0343 0.0287 0.0315
08:01-09:00, Wed., 29 Apr. 0.0339 0.0291 0.0314
07:01-08:00, Wed., 29 Apr. 0.0339 0.0297 0.0316
06:01-07:00, Wed., 29 Apr. 0.0342 0.0297 0.0320
05:01-06:00, Wed., 29 Apr. 0.0342 0.0295 0.0321
04:01-05:00, Wed., 29 Apr. 0.0343 0.0295 0.0318
03:01-04:00, Wed., 29 Apr. 0.0336 0.0289 0.0315
02:01-03:00, Wed., 29 Apr. 0.0334 0.0275 0.0313
01:01-02:00, Wed., 29 Apr. 0.0328 0.0289 0.0310
00:01-01:00, Wed., 29 Apr. 0.0329 0.0289 0.0311
23:01-24:00, Tue., 28 Apr. 0.0340 0.0284 0.0312
22:01-23:00, Tue., 28 Apr. 0.0334 0.0288 0.0314
21:01-22:00, Tue., 28 Apr. 0.0339 0.0293 0.0315
20:01-21:00, Tue., 28 Apr. 0.0343 0.0293 0.0315
19:01-20:00, Tue., 28 Apr. 0.0338 0.0285 0.0314
18:01-19:00, Tue., 28 Apr. 0.0337 0.0293 0.0315
17:01-18:00, Tue., 28 Apr. 0.0345 0.0289 0.0314
16:01-17:00, Tue., 28 Apr. 0.0333 0.0296 0.0315
15:01-16:00, Tue., 28 Apr. 0.0333 0.0299 0.0314
14:01-15:00, Tue., 28 Apr. 0.0331 0.0291 0.0313
13:01-14:00, Tue., 28 Apr. 0.0339 0.0290 0.0314
12:01-13:00, Tue., 28 Apr. 0.0335 0.0296 0.0313
11:01-12:00, Tue., 28 Apr. 0.0339 0.0282 0.0313
10:01-11:00, Tue., 28 Apr. 0.0330 0.0298 0.0313
09:01-10:00, Tue., 28 Apr. 0.0332 0.0290 0.0314
08:01-09:00, Tue., 28 Apr. 0.0332 0.0280 0.0311
07:01-08:00, Tue., 28 Apr. 0.0337 0.0287 0.0309
06:01-07:00, Tue., 28 Apr. 0.0335 0.0286 0.0314
05:01-06:00, Tue., 28 Apr. 0.0335 0.0292 0.0314
04:01-05:00, Tue., 28 Apr. 0.0332 0.0293 0.0313
03:01-04:00, Tue., 28 Apr. 0.0337 0.0287 0.0313
02:01-03:00, Tue., 28 Apr. 0.0331 0.0288 0.0312
01:01-02:00, Tue., 28 Apr. 0.0337 0.0287 0.0312
00:01-01:00, Tue., 28 Apr. 0.0342 0.0287 0.0313
23:01-24:00, Mon., 27 Apr. 0.0344 0.0283 0.0311
22:01-23:00, Mon., 27 Apr. 0.0336 0.0291 0.0312
21:01-22:00, Mon., 27 Apr. 0.0349 0.0287 0.0312
20:01-21:00, Mon., 27 Apr. 0.0340 0.0299 0.0317
19:01-20:00, Mon., 27 Apr. 0.0363 0.0299 0.0333
18:01-19:00, Mon., 27 Apr. 0.0389 0.0330 0.0364
17:01-18:00, Mon., 27 Apr. 0.0392 0.0346 0.0370
16:01-17:00, Mon., 27 Apr. 0.0391 0.0339 0.0361
15:01-16:00, Mon., 27 Apr. 0.0367 0.0290 0.0327
14:01-15:00, Mon., 27 Apr. 0.0336 0.0289 0.0311
13:01-14:00, Mon., 27 Apr. 0.0335 0.0294 0.0314
12:01-13:00, Mon., 27 Apr. 0.0337 0.0291 0.0319
11:01-12:00, Mon., 27 Apr. 0.0374 0.0301 0.0336
10:01-11:00, Mon., 27 Apr. 0.0429 0.0345 0.0388
09:01-10:00, Mon., 27 Apr. 0.0440 0.0388 0.0410
08:01-09:00, Mon., 27 Apr. 0.0463 0.0384 0.0425
07:01-08:00, Mon., 27 Apr. 0.0509 0.0435 0.0474
06:01-07:00, Mon., 27 Apr. 0.0521 0.0454 0.0491
05:01-06:00, Mon., 27 Apr. 0.0516 0.0426 0.0473
04:01-05:00, Mon., 27 Apr. 0.0447 0.0339 0.0382
03:01-04:00, Mon., 27 Apr. 0.0378 0.0339 0.0359
02:01-03:00, Mon., 27 Apr. 0.0362 0.0297 0.0324
01:01-02:00, Mon., 27 Apr. 0.0334 0.0293 0.0314
00:01-01:00, Mon., 27 Apr. 0.0335 0.0291 0.0312