Measurement results by the hour (Kodaira) 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. 0.0348 0.0311 0.0327
22:01-23:00, Sun., 03 May. 0.0356 0.0301 0.0330
21:01-22:00, Sun., 03 May. 0.0348 0.0310 0.0329
20:01-21:00, Sun., 03 May. 0.0353 0.0308 0.0328
19:01-20:00, Sun., 03 May. 0.0350 0.0309 0.0331
18:01-19:00, Sun., 03 May. 0.0354 0.0310 0.0332
17:01-18:00, Sun., 03 May. 0.0360 0.0305 0.0332
16:01-17:00, Sun., 03 May. 0.0358 0.0311 0.0332
15:01-16:00, Sun., 03 May. 0.0353 0.0313 0.0332
14:01-15:00, Sun., 03 May. 0.0360 0.0309 0.0334
13:01-14:00, Sun., 03 May. 0.0356 0.0310 0.0336
12:01-13:00, Sun., 03 May. 0.0359 0.0315 0.0339
11:01-12:00, Sun., 03 May. 0.0364 0.0318 0.0339
10:01-11:00, Sun., 03 May. 0.0361 0.0317 0.0336
09:01-10:00, Sun., 03 May. 0.0363 0.0318 0.0337
08:01-09:00, Sun., 03 May. 0.0367 0.0312 0.0341
07:01-08:00, Sun., 03 May. 0.0367 0.0325 0.0341
06:01-07:00, Sun., 03 May. 0.0365 0.0316 0.0342
05:01-06:00, Sun., 03 May. 0.0377 0.0318 0.0346
04:01-05:00, Sun., 03 May. 0.0375 0.0311 0.0344
03:01-04:00, Sun., 03 May. 0.0374 0.0314 0.0344
02:01-03:00, Sun., 03 May. 0.0367 0.0321 0.0345
01:01-02:00, Sun., 03 May. 0.0369 0.0318 0.0343
00:01-01:00, Sun., 03 May. 0.0369 0.0318 0.0343
23:01-24:00, Sat., 02 May. 0.0362 0.0315 0.0339
22:01-23:00, Sat., 02 May. 0.0388 0.0318 0.0342
21:01-22:00, Sat., 02 May. 0.0361 0.0313 0.0335
20:01-21:00, Sat., 02 May. 0.0360 0.0308 0.0332
19:01-20:00, Sat., 02 May. 0.0353 0.0314 0.0335
18:01-19:00, Sat., 02 May. 0.0361 0.0307 0.0331
17:01-18:00, Sat., 02 May. 0.0353 0.0308 0.0331
16:01-17:00, Sat., 02 May. 0.0355 0.0318 0.0334
15:01-16:00, Sat., 02 May. 0.0361 0.0310 0.0337
14:01-15:00, Sat., 02 May. 0.0356 0.0315 0.0337
13:01-14:00, Sat., 02 May. 0.0357 0.0310 0.0335
12:01-13:00, Sat., 02 May. 0.0360 0.0321 0.0340
11:01-12:00, Sat., 02 May. 0.0360 0.0317 0.0336
10:01-11:00, Sat., 02 May. 0.0370 0.0308 0.0334
09:01-10:00, Sat., 02 May. 0.0355 0.0309 0.0335
08:01-09:00, Sat., 02 May. 0.0353 0.0304 0.0333
07:01-08:00, Sat., 02 May. 0.0356 0.0317 0.0336
06:01-07:00, Sat., 02 May. 0.0355 0.0308 0.0332
05:01-06:00, Sat., 02 May. 0.0353 0.0306 0.0330
04:01-05:00, Sat., 02 May. 0.0358 0.0316 0.0333
03:01-04:00, Sat., 02 May. 0.0367 0.0309 0.0334
02:01-03:00, Sat., 02 May. 0.0367 0.0316 0.0337
01:01-02:00, Sat., 02 May. 0.0359 0.0317 0.0333
00:01-01:00, Sat., 02 May. 0.0357 0.0315 0.0332
23:01-24:00, Fri., 01 May. 0.0360 0.0316 0.0333
22:01-23:00, Fri., 01 May. 0.0362 0.0309 0.0333
21:01-22:00, Fri., 01 May. 0.0357 0.0311 0.0332
20:01-21:00, Fri., 01 May. 0.0356 0.0311 0.0332
19:01-20:00, Fri., 01 May. 0.0355 0.0300 0.0330
18:01-19:00, Fri., 01 May. 0.0361 0.0310 0.0332
17:01-18:00, Fri., 01 May. 0.0360 0.0308 0.0329
16:01-17:00, Fri., 01 May. 0.0347 0.0304 0.0329
15:01-16:00, Fri., 01 May. 0.0365 0.0305 0.0336
14:01-15:00, Fri., 01 May. 0.0375 0.0317 0.0344
13:01-14:00, Fri., 01 May. 0.0405 0.0338 0.0374
12:01-13:00, Fri., 01 May. 0.0443 0.0375 0.0407
11:01-12:00, Fri., 01 May. 0.0457 0.0409 0.0435
10:01-11:00, Fri., 01 May. 0.0483 0.0423 0.0455
09:01-10:00, Fri., 01 May. 0.0454 0.0405 0.0432
08:01-09:00, Fri., 01 May. 0.0490 0.0402 0.0444
07:01-08:00, Fri., 01 May. 0.0503 0.0436 0.0471
06:01-07:00, Fri., 01 May. 0.0506 0.0407 0.0465
05:01-06:00, Fri., 01 May. 0.0470 0.0373 0.0420
04:01-05:00, Fri., 01 May. 0.0537 0.0447 0.0495
03:01-04:00, Fri., 01 May. 0.0554 0.0489 0.0526
02:01-03:00, Fri., 01 May. 0.0515 0.0450 0.0480
01:01-02:00, Fri., 01 May. 0.0528 0.0470 0.0495
00:01-01:00, Fri., 01 May. 0.0509 0.0416 0.0453
23:01-24:00, Thu., 30 Apr. 0.0436 0.0360 0.0400
22:01-23:00, Thu., 30 Apr. 0.0396 0.0343 0.0368
21:01-22:00, Thu., 30 Apr. 0.0370 0.0325 0.0348
20:01-21:00, Thu., 30 Apr. 0.0356 0.0312 0.0333
19:01-20:00, Thu., 30 Apr. 0.0346 0.0306 0.0330
18:01-19:00, Thu., 30 Apr. 0.0353 0.0307 0.0332
17:01-18:00, Thu., 30 Apr. 0.0361 0.0318 0.0337
16:01-17:00, Thu., 30 Apr. 0.0374 0.0309 0.0339
15:01-16:00, Thu., 30 Apr. 0.0349 0.0307 0.0329
14:01-15:00, Thu., 30 Apr. 0.0348 0.0299 0.0330
13:01-14:00, Thu., 30 Apr. 0.0353 0.0301 0.0328
12:01-13:00, Thu., 30 Apr. 0.0354 0.0307 0.0329
11:01-12:00, Thu., 30 Apr. 0.0356 0.0302 0.0330
10:01-11:00, Thu., 30 Apr. 0.0351 0.0304 0.0328
09:01-10:00, Thu., 30 Apr. 0.0360 0.0301 0.0329
08:01-09:00, Thu., 30 Apr. 0.0350 0.0305 0.0328
07:01-08:00, Thu., 30 Apr. 0.0362 0.0301 0.0330
06:01-07:00, Thu., 30 Apr. 0.0356 0.0309 0.0328
05:01-06:00, Thu., 30 Apr. 0.0347 0.0300 0.0327
04:01-05:00, Thu., 30 Apr. 0.0356 0.0290 0.0328
03:01-04:00, Thu., 30 Apr. 0.0388 0.0320 0.0339
02:01-03:00, Thu., 30 Apr. 0.0401 0.0328 0.0356
01:01-02:00, Thu., 30 Apr. 0.0396 0.0346 0.0367
00:01-01:00, Thu., 30 Apr. 0.0483 0.0367 0.0420
23:01-24:00, Wed., 29 Apr. 0.0535 0.0448 0.0494
22:01-23:00, Wed., 29 Apr. 0.0536 0.0349 0.0439
21:01-22:00, Wed., 29 Apr. 0.0356 0.0312 0.0338
20:01-21:00, Wed., 29 Apr. 0.0374 0.0311 0.0351
19:01-20:00, Wed., 29 Apr. 0.0465 0.0345 0.0397
18:01-19:00, Wed., 29 Apr. 0.0459 0.0377 0.0416
17:01-18:00, Wed., 29 Apr. 0.0404 0.0338 0.0375
16:01-17:00, Wed., 29 Apr. 0.0389 0.0319 0.0351
15:01-16:00, Wed., 29 Apr. 0.0368 0.0320 0.0338
14:01-15:00, Wed., 29 Apr. 0.0358 0.0304 0.0330
13:01-14:00, Wed., 29 Apr. 0.0350 0.0307 0.0330
12:01-13:00, Wed., 29 Apr. 0.0351 0.0309 0.0329
11:01-12:00, Wed., 29 Apr. 0.0354 0.0307 0.0329
10:01-11:00, Wed., 29 Apr. 0.0353 0.0308 0.0331
09:01-10:00, Wed., 29 Apr. 0.0360 0.0303 0.0333
08:01-09:00, Wed., 29 Apr. 0.0359 0.0310 0.0334
07:01-08:00, Wed., 29 Apr. 0.0361 0.0306 0.0333
06:01-07:00, Wed., 29 Apr. 0.0368 0.0310 0.0333
05:01-06:00, Wed., 29 Apr. 0.0363 0.0316 0.0339
04:01-05:00, Wed., 29 Apr. 0.0364 0.0315 0.0340
03:01-04:00, Wed., 29 Apr. 0.0368 0.0319 0.0341
02:01-03:00, Wed., 29 Apr. 0.0363 0.0308 0.0336
01:01-02:00, Wed., 29 Apr. 0.0352 0.0309 0.0333
00:01-01:00, Wed., 29 Apr. 0.0356 0.0294 0.0331
23:01-24:00, Tue., 28 Apr. 0.0361 0.0309 0.0330
22:01-23:00, Tue., 28 Apr. 0.0346 0.0307 0.0328
21:01-22:00, Tue., 28 Apr. 0.0353 0.0306 0.0331
20:01-21:00, Tue., 28 Apr. 0.0351 0.0307 0.0330
19:01-20:00, Tue., 28 Apr. 0.0348 0.0308 0.0329
18:01-19:00, Tue., 28 Apr. 0.0363 0.0306 0.0334
17:01-18:00, Tue., 28 Apr. 0.0355 0.0315 0.0332
16:01-17:00, Tue., 28 Apr. 0.0358 0.0313 0.0333
15:01-16:00, Tue., 28 Apr. 0.0360 0.0308 0.0332
14:01-15:00, Tue., 28 Apr. 0.0348 0.0311 0.0330
13:01-14:00, Tue., 28 Apr. 0.0350 0.0301 0.0330
12:01-13:00, Tue., 28 Apr. 0.0356 0.0312 0.0329
11:01-12:00, Tue., 28 Apr. 0.0354 0.0305 0.0331
10:01-11:00, Tue., 28 Apr. 0.0352 0.0308 0.0331
09:01-10:00, Tue., 28 Apr. 0.0356 0.0305 0.0328
08:01-09:00, Tue., 28 Apr. 0.0360 0.0315 0.0336
07:01-08:00, Tue., 28 Apr. 0.0368 0.0315 0.0339
06:01-07:00, Tue., 28 Apr. 0.0363 0.0322 0.0339
05:01-06:00, Tue., 28 Apr. 0.0361 0.0311 0.0332
04:01-05:00, Tue., 28 Apr. 0.0353 0.0304 0.0333
03:01-04:00, Tue., 28 Apr. 0.0356 0.0306 0.0332
02:01-03:00, Tue., 28 Apr. 0.0355 0.0311 0.0336
01:01-02:00, Tue., 28 Apr. 0.0356 0.0309 0.0334
00:01-01:00, Tue., 28 Apr. 0.0362 0.0311 0.0336
23:01-24:00, Mon., 27 Apr. 0.0360 0.0316 0.0334
22:01-23:00, Mon., 27 Apr. 0.0354 0.0307 0.0332
21:01-22:00, Mon., 27 Apr. 0.0359 0.0305 0.0333
20:01-21:00, Mon., 27 Apr. 0.0362 0.0312 0.0332
19:01-20:00, Mon., 27 Apr. 0.0366 0.0317 0.0334
18:01-19:00, Mon., 27 Apr. 0.0372 0.0325 0.0346
17:01-18:00, Mon., 27 Apr. 0.0400 0.0335 0.0365
16:01-17:00, Mon., 27 Apr. 0.0384 0.0312 0.0349
15:01-16:00, Mon., 27 Apr. 0.0355 0.0309 0.0332
14:01-15:00, Mon., 27 Apr. 0.0348 0.0310 0.0329
13:01-14:00, Mon., 27 Apr. 0.0357 0.0313 0.0334
12:01-13:00, Mon., 27 Apr. 0.0369 0.0308 0.0330
11:01-12:00, Mon., 27 Apr. 0.0375 0.0317 0.0347
10:01-11:00, Mon., 27 Apr. 0.0447 0.0356 0.0398
09:01-10:00, Mon., 27 Apr. 0.0506 0.0423 0.0466
08:01-09:00, Mon., 27 Apr. 0.0481 0.0416 0.0454
07:01-08:00, Mon., 27 Apr. 0.0497 0.0434 0.0458
06:01-07:00, Mon., 27 Apr. 0.0480 0.0432 0.0456
05:01-06:00, Mon., 27 Apr. 0.0472 0.0409 0.0442
04:01-05:00, Mon., 27 Apr. 0.0447 0.0393 0.0416
03:01-04:00, Mon., 27 Apr. 0.0412 0.0351 0.0389
02:01-03:00, Mon., 27 Apr. 0.0378 0.0321 0.0352
01:01-02:00, Mon., 27 Apr. 0.0352 0.0304 0.0331
00:01-01:00, Mon., 27 Apr. 0.0354 0.0302 0.0333