Measurement results by the hour (Ota) 29 Mar., 2021 - 4 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., 04 Apr. 0.0425 0.0352 0.0378
22:01-23:00, Sun., 04 Apr. 0.0426 0.0349 0.0382
21:01-22:00, Sun., 04 Apr. 0.0431 0.0375 0.0400
20:01-21:00, Sun., 04 Apr. 0.0439 0.0360 0.0388
19:01-20:00, Sun., 04 Apr. 0.0398 0.0349 0.0372
18:01-19:00, Sun., 04 Apr. 0.0373 0.0323 0.0344
17:01-18:00, Sun., 04 Apr. 0.0368 0.0319 0.0342
16:01-17:00, Sun., 04 Apr. 0.0367 0.0325 0.0349
15:01-16:00, Sun., 04 Apr. 0.0353 0.0292 0.0330
14:01-15:00, Sun., 04 Apr. 0.0352 0.0306 0.0334
13:01-14:00, Sun., 04 Apr. 0.0355 0.0311 0.0335
12:01-13:00, Sun., 04 Apr. 0.0354 0.0310 0.0332
11:01-12:00, Sun., 04 Apr. 0.0347 0.0312 0.0331
10:01-11:00, Sun., 04 Apr. 0.0353 0.0316 0.0333
09:01-10:00, Sun., 04 Apr. 0.0357 0.0308 0.0331
08:01-09:00, Sun., 04 Apr. 0.0360 0.0313 0.0332
07:01-08:00, Sun., 04 Apr. 0.0356 0.0316 0.0332
06:01-07:00, Sun., 04 Apr. 0.0357 0.0316 0.0333
05:01-06:00, Sun., 04 Apr. 0.0353 0.0306 0.0330
04:01-05:00, Sun., 04 Apr. 0.0350 0.0318 0.0332
03:01-04:00, Sun., 04 Apr. 0.0354 0.0311 0.0329
02:01-03:00, Sun., 04 Apr. 0.0359 0.0309 0.0333
01:01-02:00, Sun., 04 Apr. 0.0347 0.0310 0.0331
00:01-01:00, Sun., 04 Apr. 0.0354 0.0309 0.0332
23:01-24:00, Sat., 03 Apr. 0.0352 0.0312 0.0333
22:01-23:00, Sat., 03 Apr. 0.0352 0.0317 0.0333
21:01-22:00, Sat., 03 Apr. 0.0349 0.0310 0.0330
20:01-21:00, Sat., 03 Apr. 0.0352 0.0313 0.0328
19:01-20:00, Sat., 03 Apr. 0.0347 0.0311 0.0329
18:01-19:00, Sat., 03 Apr. 0.0364 0.0306 0.0330
17:01-18:00, Sat., 03 Apr. 0.0357 0.0311 0.0329
16:01-17:00, Sat., 03 Apr. 0.0357 0.0313 0.0331
15:01-16:00, Sat., 03 Apr. 0.0353 0.0310 0.0331
14:01-15:00, Sat., 03 Apr. 0.0346 0.0316 0.0330
13:01-14:00, Sat., 03 Apr. 0.0361 0.0315 0.0334
12:01-13:00, Sat., 03 Apr. 0.0351 0.0309 0.0330
11:01-12:00, Sat., 03 Apr. 0.0349 0.0307 0.0329
10:01-11:00, Sat., 03 Apr. 0.0347 0.0307 0.0328
09:01-10:00, Sat., 03 Apr. 0.0356 0.0307 0.0332
08:01-09:00, Sat., 03 Apr. 0.0364 0.0312 0.0333
07:01-08:00, Sat., 03 Apr. 0.0349 0.0310 0.0330
06:01-07:00, Sat., 03 Apr. 0.0361 0.0307 0.0331
05:01-06:00, Sat., 03 Apr. 0.0352 0.0313 0.0332
04:01-05:00, Sat., 03 Apr. 0.0360 0.0313 0.0333
03:01-04:00, Sat., 03 Apr. 0.0353 0.0311 0.0334
02:01-03:00, Sat., 03 Apr. 0.0350 0.0309 0.0332
01:01-02:00, Sat., 03 Apr. 0.0362 0.0319 0.0333
00:01-01:00, Sat., 03 Apr. 0.0347 0.0312 0.0331
23:01-24:00, Fri., 02 Apr. 0.0361 0.0318 0.0335
22:01-23:00, Fri., 02 Apr. 0.0350 0.0303 0.0333
21:01-22:00, Fri., 02 Apr. 0.0353 0.0316 0.0331
20:01-21:00, Fri., 02 Apr. 0.0360 0.0304 0.0331
19:01-20:00, Fri., 02 Apr. 0.0353 0.0302 0.0331
18:01-19:00, Fri., 02 Apr. 0.0352 0.0309 0.0329
17:01-18:00, Fri., 02 Apr. 0.0350 0.0310 0.0329
16:01-17:00, Fri., 02 Apr. 0.0349 0.0303 0.0328
15:01-16:00, Fri., 02 Apr. 0.0349 0.0307 0.0333
14:01-15:00, Fri., 02 Apr. 0.0351 0.0309 0.0332
13:01-14:00, Fri., 02 Apr. 0.0351 0.0308 0.0330
12:01-13:00, Fri., 02 Apr. 0.0362 0.0316 0.0333
11:01-12:00, Fri., 02 Apr. 0.0353 0.0317 0.0331
10:01-11:00, Fri., 02 Apr. 0.0356 0.0317 0.0337
09:01-10:00, Fri., 02 Apr. 0.0357 0.0314 0.0336
08:01-09:00, Fri., 02 Apr. 0.0351 0.0312 0.0334
07:01-08:00, Fri., 02 Apr. 0.0354 0.0320 0.0334
06:01-07:00, Fri., 02 Apr. 0.0350 0.0311 0.0334
05:01-06:00, Fri., 02 Apr. 0.0362 0.0314 0.0334
04:01-05:00, Fri., 02 Apr. 0.0352 0.0305 0.0335
03:01-04:00, Fri., 02 Apr. 0.0358 0.0311 0.0332
02:01-03:00, Fri., 02 Apr. 0.0349 0.0309 0.0331
01:01-02:00, Fri., 02 Apr. 0.0352 0.0316 0.0333
00:01-01:00, Fri., 02 Apr. 0.0358 0.0312 0.0333
23:01-24:00, Thu., 01 Apr. 0.0352 0.0312 0.0332
22:01-23:00, Thu., 01 Apr. 0.0356 0.0307 0.0331
21:01-22:00, Thu., 01 Apr. 0.0350 0.0314 0.0331
20:01-21:00, Thu., 01 Apr. 0.0352 0.0312 0.0331
19:01-20:00, Thu., 01 Apr. 0.0354 0.0313 0.0330
18:01-19:00, Thu., 01 Apr. 0.0356 0.0311 0.0332
17:01-18:00, Thu., 01 Apr. 0.0347 0.0309 0.0328
16:01-17:00, Thu., 01 Apr. 0.0347 0.0313 0.0332
15:01-16:00, Thu., 01 Apr. 0.0357 0.0317 0.0334
14:01-15:00, Thu., 01 Apr. 0.0354 0.0309 0.0331
13:01-14:00, Thu., 01 Apr. 0.0352 0.0308 0.0331
12:01-13:00, Thu., 01 Apr. 0.0365 0.0308 0.0334
11:01-12:00, Thu., 01 Apr. 0.0360 0.0315 0.0333
10:01-11:00, Thu., 01 Apr. 0.0360 0.0313 0.0336
09:01-10:00, Thu., 01 Apr. 0.0355 0.0321 0.0336
08:01-09:00, Thu., 01 Apr. 0.0350 0.0314 0.0335
07:01-08:00, Thu., 01 Apr. 0.0362 0.0315 0.0335
06:01-07:00, Thu., 01 Apr. 0.0350 0.0311 0.0332
05:01-06:00, Thu., 01 Apr. 0.0353 0.0315 0.0334
04:01-05:00, Thu., 01 Apr. 0.0347 0.0315 0.0332
03:01-04:00, Thu., 01 Apr. 0.0353 0.0301 0.0331
02:01-03:00, Thu., 01 Apr. 0.0347 0.0314 0.0328
01:01-02:00, Thu., 01 Apr. 0.0352 0.0311 0.0332
00:01-01:00, Thu., 01 Apr. 0.0349 0.0308 0.0330
23:01-24:00, Wed., 31 Mar. 0.0355 0.0310 0.0332
22:01-23:00, Wed., 31 Mar. 0.0357 0.0315 0.0332
21:01-22:00, Wed., 31 Mar. 0.0350 0.0308 0.0332
20:01-21:00, Wed., 31 Mar. 0.0350 0.0311 0.0328
19:01-20:00, Wed., 31 Mar. 0.0353 0.0312 0.0330
18:01-19:00, Wed., 31 Mar. 0.0350 0.0315 0.0330
17:01-18:00, Wed., 31 Mar. 0.0350 0.0315 0.0333
16:01-17:00, Wed., 31 Mar. 0.0351 0.0313 0.0333
15:01-16:00, Wed., 31 Mar. 0.0348 0.0317 0.0334
14:01-15:00, Wed., 31 Mar. 0.0362 0.0319 0.0337
13:01-14:00, Wed., 31 Mar. 0.0354 0.0313 0.0335
12:01-13:00, Wed., 31 Mar. 0.0358 0.0311 0.0336
11:01-12:00, Wed., 31 Mar. 0.0352 0.0312 0.0331
10:01-11:00, Wed., 31 Mar. 0.0358 0.0311 0.0333
09:01-10:00, Wed., 31 Mar. 0.0361 0.0314 0.0333
08:01-09:00, Wed., 31 Mar. 0.0355 0.0310 0.0331
07:01-08:00, Wed., 31 Mar. 0.0349 0.0315 0.0334
06:01-07:00, Wed., 31 Mar. 0.0350 0.0307 0.0332
05:01-06:00, Wed., 31 Mar. 0.0360 0.0315 0.0334
04:01-05:00, Wed., 31 Mar. 0.0354 0.0309 0.0329
03:01-04:00, Wed., 31 Mar. 0.0351 0.0312 0.0330
02:01-03:00, Wed., 31 Mar. 0.0352 0.0309 0.0332
01:01-02:00, Wed., 31 Mar. 0.0356 0.0309 0.0330
00:01-01:00, Wed., 31 Mar. 0.0351 0.0308 0.0330
23:01-24:00, Tue., 30 Mar. 0.0351 0.0314 0.0330
22:01-23:00, Tue., 30 Mar. 0.0352 0.0311 0.0331
21:01-22:00, Tue., 30 Mar. 0.0352 0.0299 0.0330
20:01-21:00, Tue., 30 Mar. 0.0353 0.0306 0.0326
19:01-20:00, Tue., 30 Mar. 0.0350 0.0313 0.0331
18:01-19:00, Tue., 30 Mar. 0.0354 0.0307 0.0330
17:01-18:00, Tue., 30 Mar. 0.0350 0.0312 0.0331
16:01-17:00, Tue., 30 Mar. 0.0354 0.0306 0.0330
15:01-16:00, Tue., 30 Mar. 0.0354 0.0303 0.0330
14:01-15:00, Tue., 30 Mar. 0.0349 0.0305 0.0331
13:01-14:00, Tue., 30 Mar. 0.0343 0.0311 0.0328
12:01-13:00, Tue., 30 Mar. 0.0353 0.0313 0.0332
11:01-12:00, Tue., 30 Mar. 0.0358 0.0314 0.0332
10:01-11:00, Tue., 30 Mar. 0.0360 0.0314 0.0332
09:01-10:00, Tue., 30 Mar. 0.0354 0.0312 0.0333
08:01-09:00, Tue., 30 Mar. 0.0354 0.0302 0.0332
07:01-08:00, Tue., 30 Mar. 0.0353 0.0309 0.0334
06:01-07:00, Tue., 30 Mar. 0.0351 0.0306 0.0331
05:01-06:00, Tue., 30 Mar. 0.0351 0.0307 0.0332
04:01-05:00, Tue., 30 Mar. 0.0351 0.0313 0.0331
03:01-04:00, Tue., 30 Mar. 0.0345 0.0296 0.0329
02:01-03:00, Tue., 30 Mar. 0.0350 0.0306 0.0327
01:01-02:00, Tue., 30 Mar. 0.0353 0.0312 0.0331
00:01-01:00, Tue., 30 Mar. 0.0361 0.0303 0.0329
23:01-24:00, Mon., 29 Mar. 0.0346 0.0308 0.0329
22:01-23:00, Mon., 29 Mar. 0.0345 0.0311 0.0329
21:01-22:00, Mon., 29 Mar. 0.0349 0.0308 0.0329
20:01-21:00, Mon., 29 Mar. 0.0355 0.0305 0.0328
19:01-20:00, Mon., 29 Mar. 0.0354 0.0302 0.0326
18:01-19:00, Mon., 29 Mar. 0.0353 0.0296 0.0327
17:01-18:00, Mon., 29 Mar. 0.0350 0.0306 0.0326
16:01-17:00, Mon., 29 Mar. 0.0353 0.0300 0.0327
15:01-16:00, Mon., 29 Mar. 0.0348 0.0308 0.0328
14:01-15:00, Mon., 29 Mar. 0.0343 0.0301 0.0324
13:01-14:00, Mon., 29 Mar. 0.0342 0.0299 0.0322
12:01-13:00, Mon., 29 Mar. 0.0346 0.0300 0.0324
11:01-12:00, Mon., 29 Mar. 0.0342 0.0301 0.0323
10:01-11:00, Mon., 29 Mar. 0.0344 0.0298 0.0324
09:01-10:00, Mon., 29 Mar. 0.0341 0.0301 0.0324
08:01-09:00, Mon., 29 Mar. 0.0353 0.0307 0.0326
07:01-08:00, Mon., 29 Mar. 0.0339 0.0304 0.0324
06:01-07:00, Mon., 29 Mar. 0.0354 0.0313 0.0331
05:01-06:00, Mon., 29 Mar. 0.0381 0.0319 0.0345
04:01-05:00, Mon., 29 Mar. 0.0469 0.0355 0.0399
03:01-04:00, Mon., 29 Mar. 0.0548 0.0416 0.0492
02:01-03:00, Mon., 29 Mar. 0.0505 0.0413 0.0466
01:01-02:00, Mon., 29 Mar. 0.0477 0.0409 0.0441
00:01-01:00, Mon., 29 Mar. 0.0458 0.0361 0.0413