Measurement results by the hour (Kodaira) 23 Mar., 2026 - 29 Mar., 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., 29 Mar. 0.0358 0.0306 0.0333
22:01-23:00, Sun., 29 Mar. 0.0355 0.0312 0.0331
21:01-22:00, Sun., 29 Mar. 0.0347 0.0309 0.0329
20:01-21:00, Sun., 29 Mar. 0.0346 0.0297 0.0328
19:01-20:00, Sun., 29 Mar. 0.0354 0.0303 0.0328
18:01-19:00, Sun., 29 Mar. 0.0347 0.0308 0.0325
17:01-18:00, Sun., 29 Mar. 0.0349 0.0300 0.0327
16:01-17:00, Sun., 29 Mar. 0.0370 0.0294 0.0331
15:01-16:00, Sun., 29 Mar. 0.0362 0.0304 0.0330
14:01-15:00, Sun., 29 Mar. 0.0353 0.0308 0.0331
13:01-14:00, Sun., 29 Mar. 0.0360 0.0308 0.0336
12:01-13:00, Sun., 29 Mar. 0.0360 0.0308 0.0334
11:01-12:00, Sun., 29 Mar. 0.0361 0.0314 0.0337
10:01-11:00, Sun., 29 Mar. 0.0348 0.0315 0.0333
09:01-10:00, Sun., 29 Mar. 0.0365 0.0314 0.0337
08:01-09:00, Sun., 29 Mar. 0.0379 0.0315 0.0341
07:01-08:00, Sun., 29 Mar. 0.0368 0.0326 0.0347
06:01-07:00, Sun., 29 Mar. 0.0370 0.0325 0.0346
05:01-06:00, Sun., 29 Mar. 0.0362 0.0317 0.0340
04:01-05:00, Sun., 29 Mar. 0.0363 0.0318 0.0341
03:01-04:00, Sun., 29 Mar. 0.0361 0.0309 0.0339
02:01-03:00, Sun., 29 Mar. 0.0357 0.0308 0.0335
01:01-02:00, Sun., 29 Mar. 0.0367 0.0307 0.0332
00:01-01:00, Sun., 29 Mar. 0.0365 0.0313 0.0337
23:01-24:00, Sat., 28 Mar. 0.0356 0.0317 0.0335
22:01-23:00, Sat., 28 Mar. 0.0361 0.0303 0.0334
21:01-22:00, Sat., 28 Mar. 0.0357 0.0309 0.0329
20:01-21:00, Sat., 28 Mar. 0.0352 0.0304 0.0326
19:01-20:00, Sat., 28 Mar. 0.0348 0.0304 0.0326
18:01-19:00, Sat., 28 Mar. 0.0351 0.0312 0.0330
17:01-18:00, Sat., 28 Mar. 0.0357 0.0304 0.0329
16:01-17:00, Sat., 28 Mar. 0.0347 0.0303 0.0325
15:01-16:00, Sat., 28 Mar. 0.0348 0.0307 0.0329
14:01-15:00, Sat., 28 Mar. 0.0356 0.0311 0.0331
13:01-14:00, Sat., 28 Mar. 0.0361 0.0305 0.0332
12:01-13:00, Sat., 28 Mar. 0.0354 0.0304 0.0327
11:01-12:00, Sat., 28 Mar. 0.0350 0.0309 0.0328
10:01-11:00, Sat., 28 Mar. 0.0354 0.0295 0.0328
09:01-10:00, Sat., 28 Mar. 0.0349 0.0301 0.0328
08:01-09:00, Sat., 28 Mar. 0.0356 0.0307 0.0329
07:01-08:00, Sat., 28 Mar. 0.0348 0.0297 0.0323
06:01-07:00, Sat., 28 Mar. 0.0343 0.0301 0.0324
05:01-06:00, Sat., 28 Mar. 0.0360 0.0301 0.0327
04:01-05:00, Sat., 28 Mar. 0.0353 0.0303 0.0326
03:01-04:00, Sat., 28 Mar. 0.0360 0.0311 0.0336
02:01-03:00, Sat., 28 Mar. 0.0388 0.0323 0.0361
01:01-02:00, Sat., 28 Mar. 0.0464 0.0381 0.0421
00:01-01:00, Sat., 28 Mar. 0.0455 0.0377 0.0417
23:01-24:00, Fri., 27 Mar. 0.0405 0.0348 0.0380
22:01-23:00, Fri., 27 Mar. 0.0381 0.0332 0.0359
21:01-22:00, Fri., 27 Mar. 0.0398 0.0339 0.0367
20:01-21:00, Fri., 27 Mar. 0.0382 0.0302 0.0342
19:01-20:00, Fri., 27 Mar. 0.0348 0.0309 0.0327
18:01-19:00, Fri., 27 Mar. 0.0349 0.0304 0.0328
17:01-18:00, Fri., 27 Mar. 0.0346 0.0301 0.0325
16:01-17:00, Fri., 27 Mar. 0.0348 0.0302 0.0327
15:01-16:00, Fri., 27 Mar. 0.0360 0.0303 0.0324
14:01-15:00, Fri., 27 Mar. 0.0347 0.0309 0.0325
13:01-14:00, Fri., 27 Mar. 0.0356 0.0305 0.0329
12:01-13:00, Fri., 27 Mar. 0.0353 0.0312 0.0328
11:01-12:00, Fri., 27 Mar. 0.0352 0.0310 0.0326
10:01-11:00, Fri., 27 Mar. 0.0348 0.0305 0.0327
09:01-10:00, Fri., 27 Mar. 0.0352 0.0305 0.0330
08:01-09:00, Fri., 27 Mar. 0.0353 0.0315 0.0331
07:01-08:00, Fri., 27 Mar. 0.0360 0.0311 0.0334
06:01-07:00, Fri., 27 Mar. 0.0356 0.0304 0.0332
05:01-06:00, Fri., 27 Mar. 0.0353 0.0294 0.0329
04:01-05:00, Fri., 27 Mar. 0.0353 0.0297 0.0327
03:01-04:00, Fri., 27 Mar. 0.0363 0.0304 0.0326
02:01-03:00, Fri., 27 Mar. 0.0360 0.0301 0.0324
01:01-02:00, Fri., 27 Mar. 0.0353 0.0290 0.0326
00:01-01:00, Fri., 27 Mar. 0.0349 0.0298 0.0324
23:01-24:00, Thu., 26 Mar. 0.0360 0.0304 0.0327
22:01-23:00, Thu., 26 Mar. 0.0346 0.0301 0.0326
21:01-22:00, Thu., 26 Mar. 0.0367 0.0297 0.0331
20:01-21:00, Thu., 26 Mar. 0.0353 0.0307 0.0326
19:01-20:00, Thu., 26 Mar. 0.0346 0.0299 0.0327
18:01-19:00, Thu., 26 Mar. 0.0361 0.0304 0.0328
17:01-18:00, Thu., 26 Mar. 0.0349 0.0306 0.0327
16:01-17:00, Thu., 26 Mar. 0.0357 0.0306 0.0333
15:01-16:00, Thu., 26 Mar. 0.0384 0.0322 0.0353
14:01-15:00, Thu., 26 Mar. 0.0395 0.0339 0.0371
13:01-14:00, Thu., 26 Mar. 0.0412 0.0329 0.0363
12:01-13:00, Thu., 26 Mar. 0.0395 0.0350 0.0374
11:01-12:00, Thu., 26 Mar. 0.0420 0.0370 0.0394
10:01-11:00, Thu., 26 Mar. 0.0436 0.0376 0.0407
09:01-10:00, Thu., 26 Mar. 0.0406 0.0358 0.0388
08:01-09:00, Thu., 26 Mar. 0.0419 0.0367 0.0388
07:01-08:00, Thu., 26 Mar. 0.0419 0.0364 0.0396
06:01-07:00, Thu., 26 Mar. 0.0426 0.0377 0.0404
05:01-06:00, Thu., 26 Mar. 0.0432 0.0371 0.0397
04:01-05:00, Thu., 26 Mar. 0.0440 0.0368 0.0414
03:01-04:00, Thu., 26 Mar. 0.0453 0.0383 0.0415
02:01-03:00, Thu., 26 Mar. 0.0436 0.0389 0.0410
01:01-02:00, Thu., 26 Mar. 0.0437 0.0379 0.0405
00:01-01:00, Thu., 26 Mar. 0.0433 0.0385 0.0405
23:01-24:00, Wed., 25 Mar. 0.0446 0.0386 0.0419
22:01-23:00, Wed., 25 Mar. 0.0451 0.0394 0.0425
21:01-22:00, Wed., 25 Mar. 0.0466 0.0406 0.0435
20:01-21:00, Wed., 25 Mar. 0.0461 0.0391 0.0427
19:01-20:00, Wed., 25 Mar. 0.0433 0.0377 0.0403
18:01-19:00, Wed., 25 Mar. 0.0432 0.0383 0.0402
17:01-18:00, Wed., 25 Mar. 0.0427 0.0380 0.0405
16:01-17:00, Wed., 25 Mar. 0.0433 0.0384 0.0406
15:01-16:00, Wed., 25 Mar. 0.0440 0.0390 0.0415
14:01-15:00, Wed., 25 Mar. 0.0458 0.0400 0.0426
13:01-14:00, Wed., 25 Mar. 0.0438 0.0344 0.0396
12:01-13:00, Wed., 25 Mar. 0.0381 0.0331 0.0354
11:01-12:00, Wed., 25 Mar. 0.0364 0.0320 0.0340
10:01-11:00, Wed., 25 Mar. 0.0361 0.0311 0.0332
09:01-10:00, Wed., 25 Mar. 0.0361 0.0311 0.0332
08:01-09:00, Wed., 25 Mar. 0.0362 0.0317 0.0334
07:01-08:00, Wed., 25 Mar. 0.0362 0.0313 0.0335
06:01-07:00, Wed., 25 Mar. 0.0357 0.0315 0.0336
05:01-06:00, Wed., 25 Mar. 0.0352 0.0320 0.0336
04:01-05:00, Wed., 25 Mar. 0.0367 0.0309 0.0335
03:01-04:00, Wed., 25 Mar. 0.0370 0.0311 0.0334
02:01-03:00, Wed., 25 Mar. 0.0354 0.0303 0.0331
01:01-02:00, Wed., 25 Mar. 0.0350 0.0312 0.0332
00:01-01:00, Wed., 25 Mar. 0.0349 0.0308 0.0330
23:01-24:00, Tue., 24 Mar. 0.0353 0.0311 0.0332
22:01-23:00, Tue., 24 Mar. 0.0354 0.0309 0.0332
21:01-22:00, Tue., 24 Mar. 0.0353 0.0304 0.0329
20:01-21:00, Tue., 24 Mar. 0.0362 0.0310 0.0332
19:01-20:00, Tue., 24 Mar. 0.0349 0.0304 0.0328
18:01-19:00, Tue., 24 Mar. 0.0366 0.0303 0.0329
17:01-18:00, Tue., 24 Mar. 0.0349 0.0308 0.0330
16:01-17:00, Tue., 24 Mar. 0.0356 0.0306 0.0330
15:01-16:00, Tue., 24 Mar. 0.0362 0.0319 0.0334
14:01-15:00, Tue., 24 Mar. 0.0368 0.0313 0.0336
13:01-14:00, Tue., 24 Mar. 0.0356 0.0304 0.0332
12:01-13:00, Tue., 24 Mar. 0.0354 0.0309 0.0333
11:01-12:00, Tue., 24 Mar. 0.0355 0.0301 0.0332
10:01-11:00, Tue., 24 Mar. 0.0354 0.0311 0.0334
09:01-10:00, Tue., 24 Mar. 0.0361 0.0307 0.0336
08:01-09:00, Tue., 24 Mar. 0.0363 0.0307 0.0335
07:01-08:00, Tue., 24 Mar. 0.0365 0.0313 0.0335
06:01-07:00, Tue., 24 Mar. 0.0349 0.0315 0.0333
05:01-06:00, Tue., 24 Mar. 0.0356 0.0298 0.0332
04:01-05:00, Tue., 24 Mar. 0.0363 0.0311 0.0333
03:01-04:00, Tue., 24 Mar. 0.0349 0.0311 0.0330
02:01-03:00, Tue., 24 Mar. 0.0362 0.0303 0.0330
01:01-02:00, Tue., 24 Mar. 0.0354 0.0306 0.0332
00:01-01:00, Tue., 24 Mar. 0.0360 0.0301 0.0328
23:01-24:00, Mon., 23 Mar. 0.0354 0.0292 0.0329
22:01-23:00, Mon., 23 Mar. 0.0356 0.0308 0.0331
21:01-22:00, Mon., 23 Mar. 0.0354 0.0311 0.0332
20:01-21:00, Mon., 23 Mar. 0.0362 0.0316 0.0334
19:01-20:00, Mon., 23 Mar. 0.0354 0.0297 0.0329
18:01-19:00, Mon., 23 Mar. 0.0363 0.0304 0.0331
17:01-18:00, Mon., 23 Mar. 0.0355 0.0299 0.0329
16:01-17:00, Mon., 23 Mar. 0.0362 0.0308 0.0329
15:01-16:00, Mon., 23 Mar. 0.0353 0.0308 0.0332
14:01-15:00, Mon., 23 Mar. 0.0353 0.0304 0.0332
13:01-14:00, Mon., 23 Mar. 0.0350 0.0304 0.0331
12:01-13:00, Mon., 23 Mar. 0.0356 0.0314 0.0332
11:01-12:00, Mon., 23 Mar. 0.0359 0.0316 0.0335
10:01-11:00, Mon., 23 Mar. 0.0367 0.0323 0.0346
09:01-10:00, Mon., 23 Mar. 0.0375 0.0326 0.0352
08:01-09:00, Mon., 23 Mar. 0.0401 0.0346 0.0367
07:01-08:00, Mon., 23 Mar. 0.0380 0.0332 0.0357
06:01-07:00, Mon., 23 Mar. 0.0374 0.0324 0.0348
05:01-06:00, Mon., 23 Mar. 0.0369 0.0325 0.0341
04:01-05:00, Mon., 23 Mar. 0.0359 0.0303 0.0338
03:01-04:00, Mon., 23 Mar. 0.0359 0.0315 0.0335
02:01-03:00, Mon., 23 Mar. 0.0361 0.0315 0.0337
01:01-02:00, Mon., 23 Mar. 0.0360 0.0294 0.0332
00:01-01:00, Mon., 23 Mar. 0.0353 0.0315 0.0334