Measurement results by the hour (Ota) 12 Apr., 2021 - 18 Apr., 2021

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., 18 Apr. 0.0355 0.0310 0.0331
22:01-23:00, Sun., 18 Apr. 0.0347 0.0310 0.0330
21:01-22:00, Sun., 18 Apr. 0.0348 0.0307 0.0328
20:01-21:00, Sun., 18 Apr. 0.0347 0.0310 0.0327
19:01-20:00, Sun., 18 Apr. 0.0348 0.0311 0.0330
18:01-19:00, Sun., 18 Apr. 0.0342 0.0305 0.0327
17:01-18:00, Sun., 18 Apr. 0.0345 0.0307 0.0326
16:01-17:00, Sun., 18 Apr. 0.0346 0.0300 0.0327
15:01-16:00, Sun., 18 Apr. 0.0350 0.0305 0.0326
14:01-15:00, Sun., 18 Apr. 0.0358 0.0313 0.0330
13:01-14:00, Sun., 18 Apr. 0.0352 0.0309 0.0327
12:01-13:00, Sun., 18 Apr. 0.0349 0.0305 0.0328
11:01-12:00, Sun., 18 Apr. 0.0343 0.0307 0.0325
10:01-11:00, Sun., 18 Apr. 0.0344 0.0309 0.0326
09:01-10:00, Sun., 18 Apr. 0.0347 0.0299 0.0325
08:01-09:00, Sun., 18 Apr. 0.0348 0.0308 0.0325
07:01-08:00, Sun., 18 Apr. 0.0348 0.0302 0.0326
06:01-07:00, Sun., 18 Apr. 0.0346 0.0308 0.0327
05:01-06:00, Sun., 18 Apr. 0.0339 0.0303 0.0325
04:01-05:00, Sun., 18 Apr. 0.0340 0.0309 0.0325
03:01-04:00, Sun., 18 Apr. 0.0351 0.0305 0.0331
02:01-03:00, Sun., 18 Apr. 0.0370 0.0321 0.0347
01:01-02:00, Sun., 18 Apr. 0.0476 0.0351 0.0404
00:01-01:00, Sun., 18 Apr. 0.0503 0.0415 0.0457
23:01-24:00, Sat., 17 Apr. 0.0502 0.0405 0.0445
22:01-23:00, Sat., 17 Apr. 0.0496 0.0410 0.0453
21:01-22:00, Sat., 17 Apr. 0.0446 0.0357 0.0389
20:01-21:00, Sat., 17 Apr. 0.0430 0.0352 0.0379
19:01-20:00, Sat., 17 Apr. 0.0415 0.0355 0.0378
18:01-19:00, Sat., 17 Apr. 0.0432 0.0358 0.0390
17:01-18:00, Sat., 17 Apr. 0.0446 0.0360 0.0401
16:01-17:00, Sat., 17 Apr. 0.0396 0.0332 0.0365
15:01-16:00, Sat., 17 Apr. 0.0368 0.0304 0.0339
14:01-15:00, Sat., 17 Apr. 0.0340 0.0306 0.0325
13:01-14:00, Sat., 17 Apr. 0.0351 0.0304 0.0326
12:01-13:00, Sat., 17 Apr. 0.0342 0.0306 0.0322
11:01-12:00, Sat., 17 Apr. 0.0345 0.0298 0.0325
10:01-11:00, Sat., 17 Apr. 0.0347 0.0305 0.0325
09:01-10:00, Sat., 17 Apr. 0.0345 0.0310 0.0325
08:01-09:00, Sat., 17 Apr. 0.0344 0.0305 0.0326
07:01-08:00, Sat., 17 Apr. 0.0345 0.0305 0.0325
06:01-07:00, Sat., 17 Apr. 0.0342 0.0300 0.0325
05:01-06:00, Sat., 17 Apr. 0.0352 0.0303 0.0326
04:01-05:00, Sat., 17 Apr. 0.0344 0.0308 0.0326
03:01-04:00, Sat., 17 Apr. 0.0347 0.0306 0.0324
02:01-03:00, Sat., 17 Apr. 0.0341 0.0306 0.0323
01:01-02:00, Sat., 17 Apr. 0.0354 0.0302 0.0324
00:01-01:00, Sat., 17 Apr. 0.0345 0.0308 0.0325
23:01-24:00, Fri., 16 Apr. 0.0343 0.0301 0.0325
22:01-23:00, Fri., 16 Apr. 0.0336 0.0309 0.0323
21:01-22:00, Fri., 16 Apr. 0.0351 0.0311 0.0329
20:01-21:00, Fri., 16 Apr. 0.0343 0.0301 0.0324
19:01-20:00, Fri., 16 Apr. 0.0347 0.0307 0.0324
18:01-19:00, Fri., 16 Apr. 0.0355 0.0306 0.0324
17:01-18:00, Fri., 16 Apr. 0.0347 0.0296 0.0323
16:01-17:00, Fri., 16 Apr. 0.0348 0.0304 0.0325
15:01-16:00, Fri., 16 Apr. 0.0352 0.0306 0.0325
14:01-15:00, Fri., 16 Apr. 0.0340 0.0302 0.0323
13:01-14:00, Fri., 16 Apr. 0.0347 0.0303 0.0327
12:01-13:00, Fri., 16 Apr. 0.0358 0.0307 0.0325
11:01-12:00, Fri., 16 Apr. 0.0348 0.0304 0.0329
10:01-11:00, Fri., 16 Apr. 0.0346 0.0312 0.0329
09:01-10:00, Fri., 16 Apr. 0.0371 0.0313 0.0332
08:01-09:00, Fri., 16 Apr. 0.0349 0.0308 0.0329
07:01-08:00, Fri., 16 Apr. 0.0346 0.0309 0.0330
06:01-07:00, Fri., 16 Apr. 0.0347 0.0306 0.0327
05:01-06:00, Fri., 16 Apr. 0.0355 0.0300 0.0328
04:01-05:00, Fri., 16 Apr. 0.0344 0.0297 0.0324
03:01-04:00, Fri., 16 Apr. 0.0340 0.0298 0.0323
02:01-03:00, Fri., 16 Apr. 0.0353 0.0309 0.0326
01:01-02:00, Fri., 16 Apr. 0.0344 0.0304 0.0326
00:01-01:00, Fri., 16 Apr. 0.0341 0.0295 0.0323
23:01-24:00, Thu., 15 Apr. 0.0344 0.0309 0.0325
22:01-23:00, Thu., 15 Apr. 0.0347 0.0303 0.0325
21:01-22:00, Thu., 15 Apr. 0.0341 0.0303 0.0324
20:01-21:00, Thu., 15 Apr. 0.0360 0.0298 0.0326
19:01-20:00, Thu., 15 Apr. 0.0340 0.0300 0.0323
18:01-19:00, Thu., 15 Apr. 0.0342 0.0305 0.0323
17:01-18:00, Thu., 15 Apr. 0.0350 0.0307 0.0326
16:01-17:00, Thu., 15 Apr. 0.0342 0.0301 0.0322
15:01-16:00, Thu., 15 Apr. 0.0344 0.0309 0.0323
14:01-15:00, Thu., 15 Apr. 0.0350 0.0297 0.0325
13:01-14:00, Thu., 15 Apr. 0.0351 0.0301 0.0327
12:01-13:00, Thu., 15 Apr. 0.0345 0.0308 0.0326
11:01-12:00, Thu., 15 Apr. 0.0350 0.0309 0.0327
10:01-11:00, Thu., 15 Apr. 0.0356 0.0313 0.0328
09:01-10:00, Thu., 15 Apr. 0.0351 0.0306 0.0328
08:01-09:00, Thu., 15 Apr. 0.0343 0.0306 0.0328
07:01-08:00, Thu., 15 Apr. 0.0346 0.0305 0.0325
06:01-07:00, Thu., 15 Apr. 0.0343 0.0301 0.0323
05:01-06:00, Thu., 15 Apr. 0.0340 0.0300 0.0321
04:01-05:00, Thu., 15 Apr. 0.0348 0.0306 0.0323
03:01-04:00, Thu., 15 Apr. 0.0339 0.0305 0.0323
02:01-03:00, Thu., 15 Apr. 0.0368 0.0309 0.0334
01:01-02:00, Thu., 15 Apr. 0.0393 0.0319 0.0356
00:01-01:00, Thu., 15 Apr. 0.0505 0.0372 0.0428
23:01-24:00, Wed., 14 Apr. 0.0502 0.0399 0.0453
22:01-23:00, Wed., 14 Apr. 0.0464 0.0355 0.0400
21:01-22:00, Wed., 14 Apr. 0.0533 0.0398 0.0457
20:01-21:00, Wed., 14 Apr. 0.0604 0.0421 0.0532
19:01-20:00, Wed., 14 Apr. 0.0421 0.0321 0.0360
18:01-19:00, Wed., 14 Apr. 0.0372 0.0326 0.0345
17:01-18:00, Wed., 14 Apr. 0.0365 0.0319 0.0342
16:01-17:00, Wed., 14 Apr. 0.0370 0.0324 0.0353
15:01-16:00, Wed., 14 Apr. 0.0365 0.0317 0.0344
14:01-15:00, Wed., 14 Apr. 0.0429 0.0340 0.0374
13:01-14:00, Wed., 14 Apr. 0.0423 0.0330 0.0356
12:01-13:00, Wed., 14 Apr. 0.0447 0.0353 0.0389
11:01-12:00, Wed., 14 Apr. 0.0461 0.0375 0.0422
10:01-11:00, Wed., 14 Apr. 0.0437 0.0361 0.0394
09:01-10:00, Wed., 14 Apr. 0.0437 0.0356 0.0384
08:01-09:00, Wed., 14 Apr. 0.0401 0.0339 0.0365
07:01-08:00, Wed., 14 Apr. 0.0411 0.0347 0.0377
06:01-07:00, Wed., 14 Apr. 0.0368 0.0314 0.0343
05:01-06:00, Wed., 14 Apr. 0.0353 0.0314 0.0336
04:01-05:00, Wed., 14 Apr. 0.0357 0.0309 0.0334
03:01-04:00, Wed., 14 Apr. 0.0360 0.0317 0.0333
02:01-03:00, Wed., 14 Apr. 0.0353 0.0315 0.0332
01:01-02:00, Wed., 14 Apr. 0.0351 0.0312 0.0333
00:01-01:00, Wed., 14 Apr. 0.0352 0.0309 0.0332
23:01-24:00, Tue., 13 Apr. 0.0365 0.0309 0.0337
22:01-23:00, Tue., 13 Apr. 0.0363 0.0321 0.0340
21:01-22:00, Tue., 13 Apr. 0.0354 0.0311 0.0333
20:01-21:00, Tue., 13 Apr. 0.0357 0.0325 0.0339
19:01-20:00, Tue., 13 Apr. 0.0361 0.0316 0.0340
18:01-19:00, Tue., 13 Apr. 0.0369 0.0312 0.0340
17:01-18:00, Tue., 13 Apr. 0.0349 0.0310 0.0334
16:01-17:00, Tue., 13 Apr. 0.0352 0.0316 0.0334
15:01-16:00, Tue., 13 Apr. 0.0355 0.0307 0.0331
14:01-15:00, Tue., 13 Apr. 0.0354 0.0309 0.0331
13:01-14:00, Tue., 13 Apr. 0.0363 0.0314 0.0333
12:01-13:00, Tue., 13 Apr. 0.0360 0.0315 0.0332
11:01-12:00, Tue., 13 Apr. 0.0357 0.0310 0.0335
10:01-11:00, Tue., 13 Apr. 0.0363 0.0320 0.0342
09:01-10:00, Tue., 13 Apr. 0.0367 0.0308 0.0343
08:01-09:00, Tue., 13 Apr. 0.0363 0.0310 0.0334
07:01-08:00, Tue., 13 Apr. 0.0349 0.0318 0.0333
06:01-07:00, Tue., 13 Apr. 0.0353 0.0317 0.0332
05:01-06:00, Tue., 13 Apr. 0.0353 0.0318 0.0333
04:01-05:00, Tue., 13 Apr. 0.0363 0.0313 0.0335
03:01-04:00, Tue., 13 Apr. 0.0357 0.0314 0.0333
02:01-03:00, Tue., 13 Apr. 0.0353 0.0316 0.0335
01:01-02:00, Tue., 13 Apr. 0.0359 0.0306 0.0336
00:01-01:00, Tue., 13 Apr. 0.0350 0.0313 0.0332
23:01-24:00, Mon., 12 Apr. 0.0354 0.0315 0.0332
22:01-23:00, Mon., 12 Apr. 0.0347 0.0315 0.0332
21:01-22:00, Mon., 12 Apr. 0.0352 0.0311 0.0332
20:01-21:00, Mon., 12 Apr. 0.0351 0.0300 0.0327
19:01-20:00, Mon., 12 Apr. 0.0359 0.0313 0.0330
18:01-19:00, Mon., 12 Apr. 0.0345 0.0309 0.0326
17:01-18:00, Mon., 12 Apr. 0.0350 0.0309 0.0328
16:01-17:00, Mon., 12 Apr. 0.0356 0.0309 0.0331
15:01-16:00, Mon., 12 Apr. 0.0349 0.0308 0.0331
14:01-15:00, Mon., 12 Apr. 0.0358 0.0310 0.0333
13:01-14:00, Mon., 12 Apr. 0.0347 0.0307 0.0330
12:01-13:00, Mon., 12 Apr. 0.0353 0.0313 0.0332
11:01-12:00, Mon., 12 Apr. 0.0354 0.0310 0.0331
10:01-11:00, Mon., 12 Apr. 0.0351 0.0315 0.0333
09:01-10:00, Mon., 12 Apr. 0.0351 0.0311 0.0331
08:01-09:00, Mon., 12 Apr. 0.0349 0.0315 0.0333
07:01-08:00, Mon., 12 Apr. 0.0357 0.0318 0.0332
06:01-07:00, Mon., 12 Apr. 0.0352 0.0305 0.0331
05:01-06:00, Mon., 12 Apr. 0.0353 0.0318 0.0333
04:01-05:00, Mon., 12 Apr. 0.0350 0.0310 0.0335
03:01-04:00, Mon., 12 Apr. 0.0353 0.0311 0.0331
02:01-03:00, Mon., 12 Apr. 0.0349 0.0304 0.0330
01:01-02:00, Mon., 12 Apr. 0.0352 0.0314 0.0331
00:01-01:00, Mon., 12 Apr. 0.0353 0.0305 0.0332