Measurement results by the hour (Ota) 30 Mar., 2020 - 5 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., 05 Apr. 0.0355 0.0316 0.0335
22:01-23:00, Sun., 05 Apr. 0.0364 0.0316 0.0334
21:01-22:00, Sun., 05 Apr. 0.0350 0.0314 0.0334
20:01-21:00, Sun., 05 Apr. 0.0362 0.0310 0.0336
19:01-20:00, Sun., 05 Apr. 0.0364 0.0316 0.0337
18:01-19:00, Sun., 05 Apr. 0.0359 0.0322 0.0338
17:01-18:00, Sun., 05 Apr. 0.0365 0.0329 0.0348
16:01-17:00, Sun., 05 Apr. 0.0369 0.0323 0.0346
15:01-16:00, Sun., 05 Apr. 0.0366 0.0324 0.0347
14:01-15:00, Sun., 05 Apr. 0.0386 0.0328 0.0357
13:01-14:00, Sun., 05 Apr. 0.0383 0.0338 0.0357
12:01-13:00, Sun., 05 Apr. 0.0366 0.0319 0.0339
11:01-12:00, Sun., 05 Apr. 0.0359 0.0321 0.0341
10:01-11:00, Sun., 05 Apr. 0.0360 0.0315 0.0340
09:01-10:00, Sun., 05 Apr. 0.0360 0.0315 0.0337
08:01-09:00, Sun., 05 Apr. 0.0353 0.0318 0.0337
07:01-08:00, Sun., 05 Apr. 0.0362 0.0317 0.0341
06:01-07:00, Sun., 05 Apr. 0.0365 0.0328 0.0344
05:01-06:00, Sun., 05 Apr. 0.0363 0.0323 0.0342
04:01-05:00, Sun., 05 Apr. 0.0361 0.0320 0.0341
03:01-04:00, Sun., 05 Apr. 0.0363 0.0316 0.0341
02:01-03:00, Sun., 05 Apr. 0.0353 0.0323 0.0337
01:01-02:00, Sun., 05 Apr. 0.0363 0.0321 0.0337
00:01-01:00, Sun., 05 Apr. 0.0349 0.0318 0.0336
23:01-24:00, Sat., 04 Apr. 0.0357 0.0311 0.0333
22:01-23:00, Sat., 04 Apr. 0.0355 0.0318 0.0336
21:01-22:00, Sat., 04 Apr. 0.0359 0.0313 0.0334
20:01-21:00, Sat., 04 Apr. 0.0356 0.0311 0.0334
19:01-20:00, Sat., 04 Apr. 0.0357 0.0313 0.0335
18:01-19:00, Sat., 04 Apr. 0.0365 0.0312 0.0335
17:01-18:00, Sat., 04 Apr. 0.0360 0.0318 0.0335
16:01-17:00, Sat., 04 Apr. 0.0367 0.0315 0.0333
15:01-16:00, Sat., 04 Apr. 0.0351 0.0315 0.0334
14:01-15:00, Sat., 04 Apr. 0.0355 0.0310 0.0335
13:01-14:00, Sat., 04 Apr. 0.0366 0.0313 0.0335
12:01-13:00, Sat., 04 Apr. 0.0361 0.0317 0.0336
11:01-12:00, Sat., 04 Apr. 0.0353 0.0319 0.0335
10:01-11:00, Sat., 04 Apr. 0.0357 0.0317 0.0336
09:01-10:00, Sat., 04 Apr. 0.0351 0.0320 0.0338
08:01-09:00, Sat., 04 Apr. 0.0363 0.0306 0.0340
07:01-08:00, Sat., 04 Apr. 0.0366 0.0310 0.0339
06:01-07:00, Sat., 04 Apr. 0.0360 0.0314 0.0336
05:01-06:00, Sat., 04 Apr. 0.0351 0.0314 0.0335
04:01-05:00, Sat., 04 Apr. 0.0358 0.0315 0.0338
03:01-04:00, Sat., 04 Apr. 0.0367 0.0312 0.0338
02:01-03:00, Sat., 04 Apr. 0.0353 0.0313 0.0335
01:01-02:00, Sat., 04 Apr. 0.0361 0.0317 0.0335
00:01-01:00, Sat., 04 Apr. 0.0366 0.0319 0.0337
23:01-24:00, Fri., 03 Apr. 0.0358 0.0316 0.0336
22:01-23:00, Fri., 03 Apr. 0.0355 0.0315 0.0333
21:01-22:00, Fri., 03 Apr. 0.0355 0.0310 0.0333
20:01-21:00, Fri., 03 Apr. 0.0357 0.0310 0.0333
19:01-20:00, Fri., 03 Apr. 0.0348 0.0305 0.0332
18:01-19:00, Fri., 03 Apr. 0.0355 0.0309 0.0334
17:01-18:00, Fri., 03 Apr. 0.0356 0.0309 0.0332
16:01-17:00, Fri., 03 Apr. 0.0360 0.0319 0.0333
15:01-16:00, Fri., 03 Apr. 0.0351 0.0313 0.0334
14:01-15:00, Fri., 03 Apr. 0.0348 0.0321 0.0334
13:01-14:00, Fri., 03 Apr. 0.0356 0.0316 0.0335
12:01-13:00, Fri., 03 Apr. 0.0357 0.0310 0.0334
11:01-12:00, Fri., 03 Apr. 0.0359 0.0314 0.0334
10:01-11:00, Fri., 03 Apr. 0.0357 0.0318 0.0335
09:01-10:00, Fri., 03 Apr. 0.0361 0.0314 0.0334
08:01-09:00, Fri., 03 Apr. 0.0356 0.0320 0.0335
07:01-08:00, Fri., 03 Apr. 0.0359 0.0312 0.0333
06:01-07:00, Fri., 03 Apr. 0.0349 0.0319 0.0333
05:01-06:00, Fri., 03 Apr. 0.0352 0.0316 0.0332
04:01-05:00, Fri., 03 Apr. 0.0356 0.0306 0.0331
03:01-04:00, Fri., 03 Apr. 0.0364 0.0311 0.0333
02:01-03:00, Fri., 03 Apr. 0.0351 0.0310 0.0331
01:01-02:00, Fri., 03 Apr. 0.0356 0.0314 0.0334
00:01-01:00, Fri., 03 Apr. 0.0358 0.0311 0.0331
23:01-24:00, Thu., 02 Apr. 0.0357 0.0308 0.0332
22:01-23:00, Thu., 02 Apr. 0.0351 0.0304 0.0333
21:01-22:00, Thu., 02 Apr. 0.0349 0.0312 0.0329
20:01-21:00, Thu., 02 Apr. 0.0347 0.0305 0.0332
19:01-20:00, Thu., 02 Apr. 0.0357 0.0312 0.0329
18:01-19:00, Thu., 02 Apr. 0.0354 0.0316 0.0333
17:01-18:00, Thu., 02 Apr. 0.0353 0.0312 0.0332
16:01-17:00, Thu., 02 Apr. 0.0355 0.0316 0.0333
15:01-16:00, Thu., 02 Apr. 0.0351 0.0313 0.0335
14:01-15:00, Thu., 02 Apr. 0.0359 0.0317 0.0335
13:01-14:00, Thu., 02 Apr. 0.0355 0.0301 0.0332
12:01-13:00, Thu., 02 Apr. 0.0352 0.0310 0.0331
11:01-12:00, Thu., 02 Apr. 0.0353 0.0316 0.0333
10:01-11:00, Thu., 02 Apr. 0.0356 0.0310 0.0330
09:01-10:00, Thu., 02 Apr. 0.0347 0.0308 0.0330
08:01-09:00, Thu., 02 Apr. 0.0358 0.0313 0.0332
07:01-08:00, Thu., 02 Apr. 0.0352 0.0311 0.0330
06:01-07:00, Thu., 02 Apr. 0.0352 0.0311 0.0329
05:01-06:00, Thu., 02 Apr. 0.0361 0.0314 0.0331
04:01-05:00, Thu., 02 Apr. 0.0349 0.0319 0.0334
03:01-04:00, Thu., 02 Apr. 0.0362 0.0320 0.0338
02:01-03:00, Thu., 02 Apr. 0.0365 0.0321 0.0344
01:01-02:00, Thu., 02 Apr. 0.0371 0.0317 0.0343
00:01-01:00, Thu., 02 Apr. 0.0387 0.0330 0.0356
23:01-24:00, Wed., 01 Apr. 0.0410 0.0343 0.0371
22:01-23:00, Wed., 01 Apr. 0.0455 0.0368 0.0417
21:01-22:00, Wed., 01 Apr. 0.0555 0.0425 0.0493
20:01-21:00, Wed., 01 Apr. 0.0587 0.0519 0.0552
19:01-20:00, Wed., 01 Apr. 0.0580 0.0440 0.0519
18:01-19:00, Wed., 01 Apr. 0.0541 0.0455 0.0491
17:01-18:00, Wed., 01 Apr. 0.0536 0.0441 0.0494
16:01-17:00, Wed., 01 Apr. 0.0480 0.0413 0.0443
15:01-16:00, Wed., 01 Apr. 0.0477 0.0410 0.0440
14:01-15:00, Wed., 01 Apr. 0.0463 0.0357 0.0412
13:01-14:00, Wed., 01 Apr. 0.0425 0.0353 0.0388
12:01-13:00, Wed., 01 Apr. 0.0437 0.0370 0.0408
11:01-12:00, Wed., 01 Apr. 0.0418 0.0353 0.0383
10:01-11:00, Wed., 01 Apr. 0.0408 0.0345 0.0373
09:01-10:00, Wed., 01 Apr. 0.0413 0.0341 0.0372
08:01-09:00, Wed., 01 Apr. 0.0427 0.0370 0.0396
07:01-08:00, Wed., 01 Apr. 0.0421 0.0355 0.0384
06:01-07:00, Wed., 01 Apr. 0.0376 0.0326 0.0351
05:01-06:00, Wed., 01 Apr. 0.0361 0.0319 0.0337
04:01-05:00, Wed., 01 Apr. 0.0356 0.0319 0.0335
03:01-04:00, Wed., 01 Apr. 0.0353 0.0314 0.0335
02:01-03:00, Wed., 01 Apr. 0.0354 0.0312 0.0334
01:01-02:00, Wed., 01 Apr. 0.0352 0.0317 0.0336
00:01-01:00, Wed., 01 Apr. 0.0353 0.0313 0.0337
23:01-24:00, Tue., 31 Mar. 0.0357 0.0311 0.0334
22:01-23:00, Tue., 31 Mar. 0.0360 0.0315 0.0335
21:01-22:00, Tue., 31 Mar. 0.0358 0.0316 0.0336
20:01-21:00, Tue., 31 Mar. 0.0356 0.0320 0.0336
19:01-20:00, Tue., 31 Mar. 0.0351 0.0315 0.0336
18:01-19:00, Tue., 31 Mar. 0.0351 0.0321 0.0337
17:01-18:00, Tue., 31 Mar. 0.0356 0.0315 0.0334
16:01-17:00, Tue., 31 Mar. 0.0361 0.0317 0.0337
15:01-16:00, Tue., 31 Mar. 0.0356 0.0315 0.0334
14:01-15:00, Tue., 31 Mar. 0.0360 0.0318 0.0339
13:01-14:00, Tue., 31 Mar. 0.0359 0.0318 0.0336
12:01-13:00, Tue., 31 Mar. 0.0359 0.0315 0.0337
11:01-12:00, Tue., 31 Mar. 0.0362 0.0318 0.0341
10:01-11:00, Tue., 31 Mar. 0.0358 0.0320 0.0340
09:01-10:00, Tue., 31 Mar. 0.0363 0.0309 0.0339
08:01-09:00, Tue., 31 Mar. 0.0361 0.0318 0.0341
07:01-08:00, Tue., 31 Mar. 0.0356 0.0316 0.0338
06:01-07:00, Tue., 31 Mar. 0.0367 0.0312 0.0337
05:01-06:00, Tue., 31 Mar. 0.0354 0.0306 0.0331
04:01-05:00, Tue., 31 Mar. 0.0351 0.0306 0.0329
03:01-04:00, Tue., 31 Mar. 0.0355 0.0315 0.0331
02:01-03:00, Tue., 31 Mar. 0.0349 0.0304 0.0329
01:01-02:00, Tue., 31 Mar. 0.0349 0.0308 0.0329
00:01-01:00, Tue., 31 Mar. 0.0352 0.0311 0.0328
23:01-24:00, Mon., 30 Mar. 0.0345 0.0310 0.0328
22:01-23:00, Mon., 30 Mar. 0.0348 0.0308 0.0329
21:01-22:00, Mon., 30 Mar. 0.0349 0.0307 0.0328
20:01-21:00, Mon., 30 Mar. 0.0357 0.0301 0.0328
19:01-20:00, Mon., 30 Mar. 0.0351 0.0313 0.0329
18:01-19:00, Mon., 30 Mar. 0.0344 0.0307 0.0328
17:01-18:00, Mon., 30 Mar. 0.0349 0.0311 0.0331
16:01-17:00, Mon., 30 Mar. 0.0352 0.0309 0.0328
15:01-16:00, Mon., 30 Mar. 0.0358 0.0309 0.0332
14:01-15:00, Mon., 30 Mar. 0.0345 0.0307 0.0330
13:01-14:00, Mon., 30 Mar. 0.0363 0.0316 0.0333
12:01-13:00, Mon., 30 Mar. 0.0353 0.0317 0.0332
11:01-12:00, Mon., 30 Mar. 0.0354 0.0316 0.0331
10:01-11:00, Mon., 30 Mar. 0.0357 0.0313 0.0332
09:01-10:00, Mon., 30 Mar. 0.0347 0.0309 0.0329
08:01-09:00, Mon., 30 Mar. 0.0347 0.0317 0.0330
07:01-08:00, Mon., 30 Mar. 0.0354 0.0308 0.0329
06:01-07:00, Mon., 30 Mar. 0.0348 0.0309 0.0327
05:01-06:00, Mon., 30 Mar. 0.0346 0.0312 0.0329
04:01-05:00, Mon., 30 Mar. 0.0348 0.0315 0.0332
03:01-04:00, Mon., 30 Mar. 0.0347 0.0307 0.0327
02:01-03:00, Mon., 30 Mar. 0.0346 0.0309 0.0328
01:01-02:00, Mon., 30 Mar. 0.0353 0.0298 0.0329
00:01-01:00, Mon., 30 Mar. 0.0342 0.0306 0.0327