Measurement results by the hour (Edogawa) 20 Apr., 2026 - 26 Apr., 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., 26 Apr. 0.0395 0.0355 0.0373
22:01-23:00, Sun., 26 Apr. 0.0388 0.0349 0.0371
21:01-22:00, Sun., 26 Apr. 0.0391 0.0345 0.0369
20:01-21:00, Sun., 26 Apr. 0.0393 0.0335 0.0369
19:01-20:00, Sun., 26 Apr. 0.0391 0.0343 0.0367
18:01-19:00, Sun., 26 Apr. 0.0392 0.0353 0.0371
17:01-18:00, Sun., 26 Apr. 0.0392 0.0339 0.0371
16:01-17:00, Sun., 26 Apr. 0.0395 0.0346 0.0366
15:01-16:00, Sun., 26 Apr. 0.0379 0.0341 0.0366
14:01-15:00, Sun., 26 Apr. 0.0390 0.0341 0.0373
13:01-14:00, Sun., 26 Apr. 0.0396 0.0341 0.0376
12:01-13:00, Sun., 26 Apr. 0.0395 0.0354 0.0375
11:01-12:00, Sun., 26 Apr. 0.0384 0.0339 0.0365
10:01-11:00, Sun., 26 Apr. 0.0390 0.0336 0.0365
09:01-10:00, Sun., 26 Apr. 0.0395 0.0345 0.0370
08:01-09:00, Sun., 26 Apr. 0.0393 0.0347 0.0370
07:01-08:00, Sun., 26 Apr. 0.0392 0.0347 0.0367
06:01-07:00, Sun., 26 Apr. 0.0391 0.0345 0.0369
05:01-06:00, Sun., 26 Apr. 0.0399 0.0342 0.0366
04:01-05:00, Sun., 26 Apr. 0.0386 0.0346 0.0368
03:01-04:00, Sun., 26 Apr. 0.0389 0.0349 0.0370
02:01-03:00, Sun., 26 Apr. 0.0382 0.0344 0.0361
01:01-02:00, Sun., 26 Apr. 0.0394 0.0339 0.0364
00:01-01:00, Sun., 26 Apr. 0.0381 0.0340 0.0360
23:01-24:00, Sat., 25 Apr. 0.0384 0.0343 0.0363
22:01-23:00, Sat., 25 Apr. 0.0389 0.0339 0.0365
21:01-22:00, Sat., 25 Apr. 0.0386 0.0339 0.0360
20:01-21:00, Sat., 25 Apr. 0.0391 0.0343 0.0366
19:01-20:00, Sat., 25 Apr. 0.0388 0.0342 0.0365
18:01-19:00, Sat., 25 Apr. 0.0388 0.0347 0.0369
17:01-18:00, Sat., 25 Apr. 0.0384 0.0346 0.0369
16:01-17:00, Sat., 25 Apr. 0.0391 0.0348 0.0368
15:01-16:00, Sat., 25 Apr. 0.0384 0.0351 0.0369
14:01-15:00, Sat., 25 Apr. 0.0391 0.0343 0.0368
13:01-14:00, Sat., 25 Apr. 0.0396 0.0346 0.0369
12:01-13:00, Sat., 25 Apr. 0.0388 0.0337 0.0365
11:01-12:00, Sat., 25 Apr. 0.0398 0.0348 0.0368
10:01-11:00, Sat., 25 Apr. 0.0385 0.0345 0.0364
09:01-10:00, Sat., 25 Apr. 0.0388 0.0341 0.0368
08:01-09:00, Sat., 25 Apr. 0.0386 0.0346 0.0364
07:01-08:00, Sat., 25 Apr. 0.0388 0.0343 0.0366
06:01-07:00, Sat., 25 Apr. 0.0388 0.0345 0.0363
05:01-06:00, Sat., 25 Apr. 0.0381 0.0334 0.0360
04:01-05:00, Sat., 25 Apr. 0.0388 0.0336 0.0363
03:01-04:00, Sat., 25 Apr. 0.0381 0.0336 0.0360
02:01-03:00, Sat., 25 Apr. 0.0381 0.0343 0.0363
01:01-02:00, Sat., 25 Apr. 0.0390 0.0341 0.0365
00:01-01:00, Sat., 25 Apr. 0.0390 0.0343 0.0364
23:01-24:00, Fri., 24 Apr. 0.0386 0.0338 0.0364
22:01-23:00, Fri., 24 Apr. 0.0391 0.0333 0.0366
21:01-22:00, Fri., 24 Apr. 0.0390 0.0341 0.0366
20:01-21:00, Fri., 24 Apr. 0.0388 0.0345 0.0365
19:01-20:00, Fri., 24 Apr. 0.0382 0.0344 0.0363
18:01-19:00, Fri., 24 Apr. 0.0389 0.0339 0.0363
17:01-18:00, Fri., 24 Apr. 0.0391 0.0346 0.0369
16:01-17:00, Fri., 24 Apr. 0.0399 0.0346 0.0367
15:01-16:00, Fri., 24 Apr. 0.0402 0.0340 0.0370
14:01-15:00, Fri., 24 Apr. 0.0402 0.0341 0.0371
13:01-14:00, Fri., 24 Apr. 0.0403 0.0339 0.0369
12:01-13:00, Fri., 24 Apr. 0.0404 0.0352 0.0373
11:01-12:00, Fri., 24 Apr. 0.0395 0.0350 0.0372
10:01-11:00, Fri., 24 Apr. 0.0395 0.0346 0.0371
09:01-10:00, Fri., 24 Apr. 0.0400 0.0349 0.0368
08:01-09:00, Fri., 24 Apr. 0.0392 0.0348 0.0369
07:01-08:00, Fri., 24 Apr. 0.0404 0.0354 0.0378
06:01-07:00, Fri., 24 Apr. 0.0416 0.0360 0.0387
05:01-06:00, Fri., 24 Apr. 0.0403 0.0344 0.0372
04:01-05:00, Fri., 24 Apr. 0.0394 0.0349 0.0366
03:01-04:00, Fri., 24 Apr. 0.0391 0.0340 0.0369
02:01-03:00, Fri., 24 Apr. 0.0423 0.0364 0.0391
01:01-02:00, Fri., 24 Apr. 0.0456 0.0396 0.0426
00:01-01:00, Fri., 24 Apr. 0.0468 0.0407 0.0433
23:01-24:00, Thu., 23 Apr. 0.0517 0.0437 0.0475
22:01-23:00, Thu., 23 Apr. 0.0530 0.0459 0.0497
21:01-22:00, Thu., 23 Apr. 0.0492 0.0436 0.0468
20:01-21:00, Thu., 23 Apr. 0.0515 0.0451 0.0479
19:01-20:00, Thu., 23 Apr. 0.0513 0.0444 0.0477
18:01-19:00, Thu., 23 Apr. 0.0535 0.0485 0.0511
17:01-18:00, Thu., 23 Apr. 0.0528 0.0471 0.0492
16:01-17:00, Thu., 23 Apr. 0.0501 0.0457 0.0477
15:01-16:00, Thu., 23 Apr. 0.0513 0.0446 0.0486
14:01-15:00, Thu., 23 Apr. 0.0506 0.0451 0.0476
13:01-14:00, Thu., 23 Apr. 0.0509 0.0455 0.0483
12:01-13:00, Thu., 23 Apr. 0.0496 0.0439 0.0471
11:01-12:00, Thu., 23 Apr. 0.0466 0.0384 0.0433
10:01-11:00, Thu., 23 Apr. 0.0417 0.0361 0.0388
09:01-10:00, Thu., 23 Apr. 0.0410 0.0364 0.0390
08:01-09:00, Thu., 23 Apr. 0.0412 0.0358 0.0387
07:01-08:00, Thu., 23 Apr. 0.0410 0.0349 0.0384
06:01-07:00, Thu., 23 Apr. 0.0416 0.0365 0.0384
05:01-06:00, Thu., 23 Apr. 0.0412 0.0360 0.0382
04:01-05:00, Thu., 23 Apr. 0.0409 0.0363 0.0383
03:01-04:00, Thu., 23 Apr. 0.0407 0.0359 0.0387
02:01-03:00, Thu., 23 Apr. 0.0409 0.0367 0.0388
01:01-02:00, Thu., 23 Apr. 0.0401 0.0364 0.0383
00:01-01:00, Thu., 23 Apr. 0.0401 0.0366 0.0382
23:01-24:00, Wed., 22 Apr. 0.0400 0.0353 0.0377
22:01-23:00, Wed., 22 Apr. 0.0395 0.0349 0.0375
21:01-22:00, Wed., 22 Apr. 0.0402 0.0360 0.0376
20:01-21:00, Wed., 22 Apr. 0.0394 0.0353 0.0379
19:01-20:00, Wed., 22 Apr. 0.0400 0.0360 0.0380
18:01-19:00, Wed., 22 Apr. 0.0408 0.0363 0.0381
17:01-18:00, Wed., 22 Apr. 0.0400 0.0360 0.0380
16:01-17:00, Wed., 22 Apr. 0.0416 0.0353 0.0382
15:01-16:00, Wed., 22 Apr. 0.0407 0.0363 0.0383
14:01-15:00, Wed., 22 Apr. 0.0407 0.0366 0.0382
13:01-14:00, Wed., 22 Apr. 0.0405 0.0356 0.0382
12:01-13:00, Wed., 22 Apr. 0.0411 0.0363 0.0383
11:01-12:00, Wed., 22 Apr. 0.0404 0.0358 0.0382
10:01-11:00, Wed., 22 Apr. 0.0414 0.0360 0.0383
09:01-10:00, Wed., 22 Apr. 0.0415 0.0363 0.0384
08:01-09:00, Wed., 22 Apr. 0.0402 0.0354 0.0381
07:01-08:00, Wed., 22 Apr. 0.0416 0.0354 0.0381
06:01-07:00, Wed., 22 Apr. 0.0401 0.0353 0.0378
05:01-06:00, Wed., 22 Apr. 0.0397 0.0345 0.0374
04:01-05:00, Wed., 22 Apr. 0.0403 0.0353 0.0374
03:01-04:00, Wed., 22 Apr. 0.0402 0.0352 0.0376
02:01-03:00, Wed., 22 Apr. 0.0407 0.0350 0.0375
01:01-02:00, Wed., 22 Apr. 0.0399 0.0352 0.0376
00:01-01:00, Wed., 22 Apr. 0.0398 0.0359 0.0380
23:01-24:00, Tue., 21 Apr. 0.0397 0.0356 0.0375
22:01-23:00, Tue., 21 Apr. 0.0400 0.0359 0.0378
21:01-22:00, Tue., 21 Apr. 0.0402 0.0360 0.0381
20:01-21:00, Tue., 21 Apr. 0.0401 0.0361 0.0379
19:01-20:00, Tue., 21 Apr. 0.0402 0.0364 0.0380
18:01-19:00, Tue., 21 Apr. 0.0405 0.0349 0.0381
17:01-18:00, Tue., 21 Apr. 0.0404 0.0360 0.0380
16:01-17:00, Tue., 21 Apr. 0.0409 0.0363 0.0384
15:01-16:00, Tue., 21 Apr. 0.0415 0.0355 0.0388
14:01-15:00, Tue., 21 Apr. 0.0405 0.0366 0.0387
13:01-14:00, Tue., 21 Apr. 0.0413 0.0363 0.0384
12:01-13:00, Tue., 21 Apr. 0.0403 0.0356 0.0384
11:01-12:00, Tue., 21 Apr. 0.0415 0.0358 0.0384
10:01-11:00, Tue., 21 Apr. 0.0408 0.0363 0.0380
09:01-10:00, Tue., 21 Apr. 0.0400 0.0352 0.0379
08:01-09:00, Tue., 21 Apr. 0.0396 0.0353 0.0374
07:01-08:00, Tue., 21 Apr. 0.0407 0.0347 0.0376
06:01-07:00, Tue., 21 Apr. 0.0397 0.0356 0.0374
05:01-06:00, Tue., 21 Apr. 0.0399 0.0357 0.0374
04:01-05:00, Tue., 21 Apr. 0.0399 0.0345 0.0373
03:01-04:00, Tue., 21 Apr. 0.0404 0.0350 0.0376
02:01-03:00, Tue., 21 Apr. 0.0407 0.0351 0.0382
01:01-02:00, Tue., 21 Apr. 0.0412 0.0353 0.0375
00:01-01:00, Tue., 21 Apr. 0.0405 0.0358 0.0377
23:01-24:00, Mon., 20 Apr. 0.0400 0.0358 0.0379
22:01-23:00, Mon., 20 Apr. 0.0405 0.0360 0.0376
21:01-22:00, Mon., 20 Apr. 0.0397 0.0355 0.0375
20:01-21:00, Mon., 20 Apr. 0.0398 0.0352 0.0375
19:01-20:00, Mon., 20 Apr. 0.0398 0.0356 0.0378
18:01-19:00, Mon., 20 Apr. 0.0398 0.0356 0.0376
17:01-18:00, Mon., 20 Apr. 0.0400 0.0354 0.0375
16:01-17:00, Mon., 20 Apr. 0.0401 0.0352 0.0377
15:01-16:00, Mon., 20 Apr. 0.0405 0.0360 0.0382
14:01-15:00, Mon., 20 Apr. 0.0406 0.0357 0.0384
13:01-14:00, Mon., 20 Apr. 0.0404 0.0362 0.0383
12:01-13:00, Mon., 20 Apr. 0.0405 0.0360 0.0383
11:01-12:00, Mon., 20 Apr. 0.0409 0.0356 0.0386
10:01-11:00, Mon., 20 Apr. 0.0404 0.0362 0.0380
09:01-10:00, Mon., 20 Apr. 0.0398 0.0357 0.0380
08:01-09:00, Mon., 20 Apr. 0.0409 0.0355 0.0380
07:01-08:00, Mon., 20 Apr. 0.0403 0.0352 0.0380
06:01-07:00, Mon., 20 Apr. 0.0399 0.0349 0.0379
05:01-06:00, Mon., 20 Apr. 0.0405 0.0348 0.0378
04:01-05:00, Mon., 20 Apr. 0.0407 0.0358 0.0375
03:01-04:00, Mon., 20 Apr. 0.0398 0.0345 0.0375
02:01-03:00, Mon., 20 Apr. 0.0397 0.0355 0.0376
01:01-02:00, Mon., 20 Apr. 0.0403 0.0347 0.0375
00:01-01:00, Mon., 20 Apr. 0.0401 0.0354 0.0377