Measurement results by the hour (Ota) 13 Apr., 2020 - 19 Apr., 2020

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., 19 Apr. 0.0348 0.0307 0.0328
22:01-23:00, Sun., 19 Apr. 0.0349 0.0313 0.0328
21:01-22:00, Sun., 19 Apr. 0.0352 0.0303 0.0328
20:01-21:00, Sun., 19 Apr. 0.0348 0.0302 0.0325
19:01-20:00, Sun., 19 Apr. 0.0345 0.0313 0.0330
18:01-19:00, Sun., 19 Apr. 0.0354 0.0309 0.0329
17:01-18:00, Sun., 19 Apr. 0.0361 0.0312 0.0330
16:01-17:00, Sun., 19 Apr. 0.0347 0.0306 0.0328
15:01-16:00, Sun., 19 Apr. 0.0358 0.0311 0.0330
14:01-15:00, Sun., 19 Apr. 0.0351 0.0298 0.0328
13:01-14:00, Sun., 19 Apr. 0.0346 0.0310 0.0327
12:01-13:00, Sun., 19 Apr. 0.0350 0.0311 0.0329
11:01-12:00, Sun., 19 Apr. 0.0357 0.0308 0.0331
10:01-11:00, Sun., 19 Apr. 0.0353 0.0310 0.0330
09:01-10:00, Sun., 19 Apr. 0.0352 0.0312 0.0329
08:01-09:00, Sun., 19 Apr. 0.0349 0.0312 0.0330
07:01-08:00, Sun., 19 Apr. 0.0360 0.0305 0.0334
06:01-07:00, Sun., 19 Apr. 0.0360 0.0313 0.0336
05:01-06:00, Sun., 19 Apr. 0.0349 0.0320 0.0334
04:01-05:00, Sun., 19 Apr. 0.0350 0.0311 0.0332
03:01-04:00, Sun., 19 Apr. 0.0354 0.0314 0.0333
02:01-03:00, Sun., 19 Apr. 0.0354 0.0314 0.0333
01:01-02:00, Sun., 19 Apr. 0.0356 0.0318 0.0333
00:01-01:00, Sun., 19 Apr. 0.0358 0.0316 0.0334
23:01-24:00, Sat., 18 Apr. 0.0351 0.0313 0.0331
22:01-23:00, Sat., 18 Apr. 0.0355 0.0307 0.0334
21:01-22:00, Sat., 18 Apr. 0.0351 0.0304 0.0331
20:01-21:00, Sat., 18 Apr. 0.0350 0.0309 0.0328
19:01-20:00, Sat., 18 Apr. 0.0354 0.0310 0.0329
18:01-19:00, Sat., 18 Apr. 0.0360 0.0319 0.0334
17:01-18:00, Sat., 18 Apr. 0.0369 0.0318 0.0346
16:01-17:00, Sat., 18 Apr. 0.0426 0.0337 0.0375
15:01-16:00, Sat., 18 Apr. 0.0496 0.0387 0.0434
14:01-15:00, Sat., 18 Apr. 0.0496 0.0406 0.0451
13:01-14:00, Sat., 18 Apr. 0.0530 0.0434 0.0480
12:01-13:00, Sat., 18 Apr. 0.0522 0.0432 0.0481
11:01-12:00, Sat., 18 Apr. 0.0527 0.0436 0.0472
10:01-11:00, Sat., 18 Apr. 0.0484 0.0423 0.0455
09:01-10:00, Sat., 18 Apr. 0.0490 0.0420 0.0451
08:01-09:00, Sat., 18 Apr. 0.0493 0.0409 0.0445
07:01-08:00, Sat., 18 Apr. 0.0462 0.0387 0.0430
06:01-07:00, Sat., 18 Apr. 0.0462 0.0394 0.0431
05:01-06:00, Sat., 18 Apr. 0.0457 0.0374 0.0419
04:01-05:00, Sat., 18 Apr. 0.0456 0.0390 0.0420
03:01-04:00, Sat., 18 Apr. 0.0457 0.0383 0.0424
02:01-03:00, Sat., 18 Apr. 0.0435 0.0362 0.0400
01:01-02:00, Sat., 18 Apr. 0.0422 0.0353 0.0382
00:01-01:00, Sat., 18 Apr. 0.0372 0.0326 0.0352
23:01-24:00, Fri., 17 Apr. 0.0353 0.0315 0.0337
22:01-23:00, Fri., 17 Apr. 0.0360 0.0315 0.0333
21:01-22:00, Fri., 17 Apr. 0.0353 0.0310 0.0331
20:01-21:00, Fri., 17 Apr. 0.0351 0.0316 0.0335
19:01-20:00, Fri., 17 Apr. 0.0356 0.0305 0.0333
18:01-19:00, Fri., 17 Apr. 0.0359 0.0316 0.0334
17:01-18:00, Fri., 17 Apr. 0.0358 0.0307 0.0333
16:01-17:00, Fri., 17 Apr. 0.0349 0.0312 0.0331
15:01-16:00, Fri., 17 Apr. 0.0365 0.0312 0.0333
14:01-15:00, Fri., 17 Apr. 0.0355 0.0310 0.0331
13:01-14:00, Fri., 17 Apr. 0.0354 0.0313 0.0336
12:01-13:00, Fri., 17 Apr. 0.0349 0.0313 0.0332
11:01-12:00, Fri., 17 Apr. 0.0359 0.0315 0.0333
10:01-11:00, Fri., 17 Apr. 0.0365 0.0316 0.0336
09:01-10:00, Fri., 17 Apr. 0.0359 0.0309 0.0335
08:01-09:00, Fri., 17 Apr. 0.0352 0.0310 0.0330
07:01-08:00, Fri., 17 Apr. 0.0352 0.0313 0.0330
06:01-07:00, Fri., 17 Apr. 0.0348 0.0308 0.0330
05:01-06:00, Fri., 17 Apr. 0.0351 0.0304 0.0330
04:01-05:00, Fri., 17 Apr. 0.0357 0.0312 0.0331
03:01-04:00, Fri., 17 Apr. 0.0360 0.0313 0.0331
02:01-03:00, Fri., 17 Apr. 0.0350 0.0317 0.0331
01:01-02:00, Fri., 17 Apr. 0.0355 0.0310 0.0330
00:01-01:00, Fri., 17 Apr. 0.0350 0.0310 0.0332
23:01-24:00, Thu., 16 Apr. 0.0351 0.0312 0.0334
22:01-23:00, Thu., 16 Apr. 0.0366 0.0328 0.0344
21:01-22:00, Thu., 16 Apr. 0.0411 0.0335 0.0362
20:01-21:00, Thu., 16 Apr. 0.0402 0.0341 0.0370
19:01-20:00, Thu., 16 Apr. 0.0437 0.0353 0.0386
18:01-19:00, Thu., 16 Apr. 0.0432 0.0365 0.0393
17:01-18:00, Thu., 16 Apr. 0.0415 0.0317 0.0357
16:01-17:00, Thu., 16 Apr. 0.0361 0.0310 0.0334
15:01-16:00, Thu., 16 Apr. 0.0358 0.0319 0.0335
14:01-15:00, Thu., 16 Apr. 0.0357 0.0315 0.0335
13:01-14:00, Thu., 16 Apr. 0.0361 0.0306 0.0336
12:01-13:00, Thu., 16 Apr. 0.0355 0.0315 0.0335
11:01-12:00, Thu., 16 Apr. 0.0365 0.0307 0.0332
10:01-11:00, Thu., 16 Apr. 0.0356 0.0317 0.0335
09:01-10:00, Thu., 16 Apr. 0.0363 0.0309 0.0336
08:01-09:00, Thu., 16 Apr. 0.0351 0.0315 0.0333
07:01-08:00, Thu., 16 Apr. 0.0353 0.0308 0.0330
06:01-07:00, Thu., 16 Apr. 0.0345 0.0304 0.0331
05:01-06:00, Thu., 16 Apr. 0.0350 0.0314 0.0330
04:01-05:00, Thu., 16 Apr. 0.0350 0.0314 0.0333
03:01-04:00, Thu., 16 Apr. 0.0358 0.0315 0.0338
02:01-03:00, Thu., 16 Apr. 0.0363 0.0315 0.0337
01:01-02:00, Thu., 16 Apr. 0.0358 0.0315 0.0337
00:01-01:00, Thu., 16 Apr. 0.0365 0.0322 0.0340
23:01-24:00, Wed., 15 Apr. 0.0354 0.0310 0.0333
22:01-23:00, Wed., 15 Apr. 0.0354 0.0313 0.0334
21:01-22:00, Wed., 15 Apr. 0.0357 0.0306 0.0334
20:01-21:00, Wed., 15 Apr. 0.0355 0.0315 0.0335
19:01-20:00, Wed., 15 Apr. 0.0352 0.0308 0.0333
18:01-19:00, Wed., 15 Apr. 0.0353 0.0315 0.0334
17:01-18:00, Wed., 15 Apr. 0.0349 0.0317 0.0333
16:01-17:00, Wed., 15 Apr. 0.0353 0.0312 0.0331
15:01-16:00, Wed., 15 Apr. 0.0347 0.0307 0.0329
14:01-15:00, Wed., 15 Apr. 0.0349 0.0314 0.0330
13:01-14:00, Wed., 15 Apr. 0.0350 0.0308 0.0334
12:01-13:00, Wed., 15 Apr. 0.0351 0.0315 0.0335
11:01-12:00, Wed., 15 Apr. 0.0358 0.0318 0.0334
10:01-11:00, Wed., 15 Apr. 0.0349 0.0302 0.0332
09:01-10:00, Wed., 15 Apr. 0.0355 0.0310 0.0336
08:01-09:00, Wed., 15 Apr. 0.0353 0.0314 0.0336
07:01-08:00, Wed., 15 Apr. 0.0360 0.0316 0.0335
06:01-07:00, Wed., 15 Apr. 0.0358 0.0319 0.0335
05:01-06:00, Wed., 15 Apr. 0.0344 0.0313 0.0330
04:01-05:00, Wed., 15 Apr. 0.0354 0.0314 0.0333
03:01-04:00, Wed., 15 Apr. 0.0354 0.0308 0.0330
02:01-03:00, Wed., 15 Apr. 0.0347 0.0314 0.0330
01:01-02:00, Wed., 15 Apr. 0.0349 0.0305 0.0329
00:01-01:00, Wed., 15 Apr. 0.0347 0.0303 0.0330
23:01-24:00, Tue., 14 Apr. 0.0350 0.0309 0.0328
22:01-23:00, Tue., 14 Apr. 0.0346 0.0304 0.0328
21:01-22:00, Tue., 14 Apr. 0.0348 0.0302 0.0326
20:01-21:00, Tue., 14 Apr. 0.0355 0.0305 0.0332
19:01-20:00, Tue., 14 Apr. 0.0351 0.0307 0.0329
18:01-19:00, Tue., 14 Apr. 0.0350 0.0313 0.0331
17:01-18:00, Tue., 14 Apr. 0.0354 0.0303 0.0328
16:01-17:00, Tue., 14 Apr. 0.0349 0.0308 0.0328
15:01-16:00, Tue., 14 Apr. 0.0358 0.0308 0.0329
14:01-15:00, Tue., 14 Apr. 0.0347 0.0311 0.0330
13:01-14:00, Tue., 14 Apr. 0.0351 0.0311 0.0332
12:01-13:00, Tue., 14 Apr. 0.0348 0.0308 0.0328
11:01-12:00, Tue., 14 Apr. 0.0353 0.0314 0.0332
10:01-11:00, Tue., 14 Apr. 0.0350 0.0308 0.0330
09:01-10:00, Tue., 14 Apr. 0.0358 0.0309 0.0329
08:01-09:00, Tue., 14 Apr. 0.0350 0.0306 0.0327
07:01-08:00, Tue., 14 Apr. 0.0346 0.0308 0.0327
06:01-07:00, Tue., 14 Apr. 0.0355 0.0303 0.0328
05:01-06:00, Tue., 14 Apr. 0.0351 0.0310 0.0330
04:01-05:00, Tue., 14 Apr. 0.0356 0.0312 0.0329
03:01-04:00, Tue., 14 Apr. 0.0354 0.0306 0.0335
02:01-03:00, Tue., 14 Apr. 0.0370 0.0322 0.0348
01:01-02:00, Tue., 14 Apr. 0.0406 0.0339 0.0366
00:01-01:00, Tue., 14 Apr. 0.0371 0.0336 0.0355
23:01-24:00, Mon., 13 Apr. 0.0415 0.0354 0.0375
22:01-23:00, Mon., 13 Apr. 0.0430 0.0355 0.0390
21:01-22:00, Mon., 13 Apr. 0.0423 0.0362 0.0387
20:01-21:00, Mon., 13 Apr. 0.0447 0.0364 0.0398
19:01-20:00, Mon., 13 Apr. 0.0433 0.0367 0.0395
18:01-19:00, Mon., 13 Apr. 0.0416 0.0360 0.0380
17:01-18:00, Mon., 13 Apr. 0.0401 0.0345 0.0367
16:01-17:00, Mon., 13 Apr. 0.0397 0.0342 0.0368
15:01-16:00, Mon., 13 Apr. 0.0455 0.0351 0.0401
14:01-15:00, Mon., 13 Apr. 0.0508 0.0410 0.0462
13:01-14:00, Mon., 13 Apr. 0.0520 0.0441 0.0482
12:01-13:00, Mon., 13 Apr. 0.0506 0.0431 0.0467
11:01-12:00, Mon., 13 Apr. 0.0504 0.0422 0.0460
10:01-11:00, Mon., 13 Apr. 0.0471 0.0393 0.0432
09:01-10:00, Mon., 13 Apr. 0.0478 0.0389 0.0440
08:01-09:00, Mon., 13 Apr. 0.0476 0.0402 0.0427
07:01-08:00, Mon., 13 Apr. 0.0429 0.0364 0.0394
06:01-07:00, Mon., 13 Apr. 0.0457 0.0377 0.0412
05:01-06:00, Mon., 13 Apr. 0.0463 0.0399 0.0426
04:01-05:00, Mon., 13 Apr. 0.0472 0.0413 0.0445
03:01-04:00, Mon., 13 Apr. 0.0476 0.0410 0.0445
02:01-03:00, Mon., 13 Apr. 0.0505 0.0429 0.0462
01:01-02:00, Mon., 13 Apr. 0.0500 0.0437 0.0466
00:01-01:00, Mon., 13 Apr. 0.0480 0.0404 0.0449