Radiation doses in the air / Measurement results by the hour (Edogawa)

We continuously measure radiation doses in the air (air absorbed doses per hour) at monitoring posts. Measurement results can be obtained by the minute, and we gather measurement data and then display them by the hour or by the day.

The maximum value indicates the largest value measured in each time slot (during the hour or during the day), the minimum value the smallest value measured in each time slot, and the average value is the average value for each time slot.

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, Mon., 19 May. 0.0407 0.0368 0.0388
22:01-23:00, Mon., 19 May. 0.0405 0.0356 0.0383
21:01-22:00, Mon., 19 May. 0.0405 0.0361 0.0383
20:01-21:00, Mon., 19 May. 0.0401 0.0362 0.0381
19:01-20:00, Mon., 19 May. 0.0405 0.0356 0.0383
18:01-19:00, Mon., 19 May. 0.0403 0.0355 0.0384
17:01-18:00, Mon., 19 May. 0.0405 0.0356 0.0380
16:01-17:00, Mon., 19 May. 0.0405 0.0363 0.0383
15:01-16:00, Mon., 19 May. 0.0411 0.0367 0.0385
14:01-15:00, Mon., 19 May. 0.0413 0.0361 0.0384
13:01-14:00, Mon., 19 May. 0.0401 0.0363 0.0383
12:01-13:00, Mon., 19 May. 0.0404 0.0357 0.0383
11:01-12:00, Mon., 19 May. 0.0412 0.0367 0.0384
10:01-11:00, Mon., 19 May. 0.0409 0.0357 0.0386
09:01-10:00, Mon., 19 May. 0.0412 0.0364 0.0384
08:01-09:00, Mon., 19 May. 0.0408 0.0362 0.0384
07:01-08:00, Mon., 19 May. 0.0409 0.0363 0.0385
06:01-07:00, Mon., 19 May. 0.0426 0.0367 0.0388
05:01-06:00, Mon., 19 May. 0.0419 0.0360 0.0391
04:01-05:00, Mon., 19 May. 0.0415 0.0367 0.0392
03:01-04:00, Mon., 19 May. 0.0412 0.0369 0.0390
02:01-03:00, Mon., 19 May. 0.0411 0.0365 0.0387
01:01-02:00, Mon., 19 May. 0.0412 0.0366 0.0387
00:01-01:00, Mon., 19 May. 0.0410 0.0364 0.0388
23:01-24:00, Sun., 18 May. 0.0414 0.0367 0.0389
22:01-23:00, Sun., 18 May. 0.0405 0.0360 0.0387
21:01-22:00, Sun., 18 May. 0.0416 0.0359 0.0386
20:01-21:00, Sun., 18 May. 0.0401 0.0359 0.0382
19:01-20:00, Sun., 18 May. 0.0417 0.0369 0.0387
18:01-19:00, Sun., 18 May. 0.0405 0.0363 0.0384
17:01-18:00, Sun., 18 May. 0.0417 0.0364 0.0389
16:01-17:00, Sun., 18 May. 0.0416 0.0367 0.0386
15:01-16:00, Sun., 18 May. 0.0411 0.0365 0.0384
14:01-15:00, Sun., 18 May. 0.0412 0.0364 0.0386
13:01-14:00, Sun., 18 May. 0.0412 0.0367 0.0385
12:01-13:00, Sun., 18 May. 0.0403 0.0360 0.0384
11:01-12:00, Sun., 18 May. 0.0402 0.0363 0.0381
10:01-11:00, Sun., 18 May. 0.0405 0.0361 0.0382
09:01-10:00, Sun., 18 May. 0.0411 0.0360 0.0383
08:01-09:00, Sun., 18 May. 0.0399 0.0363 0.0380
07:01-08:00, Sun., 18 May. 0.0402 0.0361 0.0379
06:01-07:00, Sun., 18 May. 0.0401 0.0353 0.0378
05:01-06:00, Sun., 18 May. 0.0393 0.0349 0.0375
04:01-05:00, Sun., 18 May. 0.0403 0.0354 0.0376
03:01-04:00, Sun., 18 May. 0.0403 0.0358 0.0380
02:01-03:00, Sun., 18 May. 0.0402 0.0357 0.0379
01:01-02:00, Sun., 18 May. 0.0402 0.0363 0.0380
00:01-01:00, Sun., 18 May. 0.0395 0.0354 0.0377
23:01-24:00, Sat., 17 May. 0.0401 0.0357 0.0381
22:01-23:00, Sat., 17 May. 0.0405 0.0350 0.0377
21:01-22:00, Sat., 17 May. 0.0390 0.0346 0.0373
20:01-21:00, Sat., 17 May. 0.0392 0.0346 0.0375
19:01-20:00, Sat., 17 May. 0.0405 0.0352 0.0374
18:01-19:00, Sat., 17 May. 0.0393 0.0353 0.0375
17:01-18:00, Sat., 17 May. 0.0405 0.0348 0.0375
16:01-17:00, Sat., 17 May. 0.0419 0.0356 0.0381
15:01-16:00, Sat., 17 May. 0.0438 0.0362 0.0405
14:01-15:00, Sat., 17 May. 0.0456 0.0402 0.0435
13:01-14:00, Sat., 17 May. 0.0471 0.0402 0.0435
12:01-13:00, Sat., 17 May. 0.0438 0.0382 0.0406
11:01-12:00, Sat., 17 May. 0.0439 0.0391 0.0411
10:01-11:00, Sat., 17 May. 0.0453 0.0409 0.0428
09:01-10:00, Sat., 17 May. 0.0460 0.0396 0.0419
08:01-09:00, Sat., 17 May. 0.0438 0.0383 0.0412
07:01-08:00, Sat., 17 May. 0.0430 0.0383 0.0409
06:01-07:00, Sat., 17 May. 0.0457 0.0392 0.0423
05:01-06:00, Sat., 17 May. 0.0444 0.0399 0.0426
04:01-05:00, Sat., 17 May. 0.0456 0.0401 0.0428
03:01-04:00, Sat., 17 May. 0.0458 0.0389 0.0416
02:01-03:00, Sat., 17 May. 0.0423 0.0363 0.0395
01:01-02:00, Sat., 17 May. 0.0405 0.0360 0.0388
00:01-01:00, Sat., 17 May. 0.0419 0.0349 0.0386
23:01-24:00, Fri., 16 May. 0.0406 0.0360 0.0387
22:01-23:00, Fri., 16 May. 0.0419 0.0364 0.0387
21:01-22:00, Fri., 16 May. 0.0407 0.0354 0.0389
20:01-21:00, Fri., 16 May. 0.0419 0.0360 0.0388
19:01-20:00, Fri., 16 May. 0.0413 0.0359 0.0385
18:01-19:00, Fri., 16 May. 0.0419 0.0363 0.0388
17:01-18:00, Fri., 16 May. 0.0419 0.0366 0.0387
16:01-17:00, Fri., 16 May. 0.0412 0.0363 0.0390
15:01-16:00, Fri., 16 May. 0.0409 0.0372 0.0390
14:01-15:00, Fri., 16 May. 0.0419 0.0365 0.0395
13:01-14:00, Fri., 16 May. 0.0426 0.0381 0.0398
12:01-13:00, Fri., 16 May. 0.0419 0.0381 0.0398
11:01-12:00, Fri., 16 May. 0.0422 0.0368 0.0398
10:01-11:00, Fri., 16 May. 0.0430 0.0377 0.0402
09:01-10:00, Fri., 16 May. 0.0423 0.0369 0.0399
08:01-09:00, Fri., 16 May. 0.0419 0.0370 0.0394
07:01-08:00, Fri., 16 May. 0.0417 0.0368 0.0391
06:01-07:00, Fri., 16 May. 0.0406 0.0363 0.0387
05:01-06:00, Fri., 16 May. 0.0405 0.0360 0.0384
04:01-05:00, Fri., 16 May. 0.0412 0.0368 0.0387
03:01-04:00, Fri., 16 May. 0.0412 0.0362 0.0387
02:01-03:00, Fri., 16 May. 0.0408 0.0370 0.0385
01:01-02:00, Fri., 16 May. 0.0412 0.0364 0.0388
00:01-01:00, Fri., 16 May. 0.0416 0.0372 0.0387
23:01-24:00, Thu., 15 May. 0.0404 0.0362 0.0384
22:01-23:00, Thu., 15 May. 0.0406 0.0353 0.0385
21:01-22:00, Thu., 15 May. 0.0407 0.0360 0.0385
20:01-21:00, Thu., 15 May. 0.0406 0.0368 0.0387
19:01-20:00, Thu., 15 May. 0.0406 0.0357 0.0384
18:01-19:00, Thu., 15 May. 0.0414 0.0359 0.0384
17:01-18:00, Thu., 15 May. 0.0414 0.0368 0.0389
16:01-17:00, Thu., 15 May. 0.0424 0.0368 0.0391
15:01-16:00, Thu., 15 May. 0.0406 0.0365 0.0388
14:01-15:00, Thu., 15 May. 0.0410 0.0366 0.0390
13:01-14:00, Thu., 15 May. 0.0426 0.0363 0.0393
12:01-13:00, Thu., 15 May. 0.0412 0.0370 0.0391
11:01-12:00, Thu., 15 May. 0.0413 0.0365 0.0392
10:01-11:00, Thu., 15 May. 0.0415 0.0367 0.0391
09:01-10:00, Thu., 15 May. 0.0415 0.0351 0.0390
08:01-09:00, Thu., 15 May. 0.0414 0.0363 0.0384
07:01-08:00, Thu., 15 May. 0.0404 0.0358 0.0382
06:01-07:00, Thu., 15 May. 0.0406 0.0351 0.0385
05:01-06:00, Thu., 15 May. 0.0409 0.0355 0.0378
04:01-05:00, Thu., 15 May. 0.0402 0.0357 0.0379
03:01-04:00, Thu., 15 May. 0.0409 0.0359 0.0384
02:01-03:00, Thu., 15 May. 0.0409 0.0344 0.0387
01:01-02:00, Thu., 15 May. 0.0406 0.0363 0.0383
00:01-01:00, Thu., 15 May. 0.0405 0.0359 0.0384
23:01-24:00, Wed., 14 May. 0.0408 0.0358 0.0383
22:01-23:00, Wed., 14 May. 0.0397 0.0352 0.0377
21:01-22:00, Wed., 14 May. 0.0402 0.0353 0.0381
20:01-21:00, Wed., 14 May. 0.0406 0.0363 0.0386
19:01-20:00, Wed., 14 May. 0.0415 0.0362 0.0386
18:01-19:00, Wed., 14 May. 0.0408 0.0363 0.0385
17:01-18:00, Wed., 14 May. 0.0413 0.0363 0.0387
16:01-17:00, Wed., 14 May. 0.0415 0.0371 0.0391
15:01-16:00, Wed., 14 May. 0.0405 0.0362 0.0389
14:01-15:00, Wed., 14 May. 0.0402 0.0370 0.0387
13:01-14:00, Wed., 14 May. 0.0406 0.0364 0.0386
12:01-13:00, Wed., 14 May. 0.0412 0.0369 0.0389
11:01-12:00, Wed., 14 May. 0.0409 0.0370 0.0390
10:01-11:00, Wed., 14 May. 0.0406 0.0371 0.0390
09:01-10:00, Wed., 14 May. 0.0416 0.0368 0.0387
08:01-09:00, Wed., 14 May. 0.0408 0.0358 0.0385
07:01-08:00, Wed., 14 May. 0.0407 0.0353 0.0384
06:01-07:00, Wed., 14 May. 0.0409 0.0368 0.0383
05:01-06:00, Wed., 14 May. 0.0403 0.0356 0.0378
04:01-05:00, Wed., 14 May. 0.0402 0.0354 0.0381
03:01-04:00, Wed., 14 May. 0.0402 0.0348 0.0382
02:01-03:00, Wed., 14 May. 0.0401 0.0359 0.0382
01:01-02:00, Wed., 14 May. 0.0403 0.0350 0.0380
00:01-01:00, Wed., 14 May. 0.0402 0.0355 0.0381
23:01-24:00, Tue., 13 May. 0.0410 0.0363 0.0383
22:01-23:00, Tue., 13 May. 0.0423 0.0355 0.0384
21:01-22:00, Tue., 13 May. 0.0404 0.0363 0.0382
20:01-21:00, Tue., 13 May. 0.0408 0.0360 0.0384
19:01-20:00, Tue., 13 May. 0.0403 0.0357 0.0383
18:01-19:00, Tue., 13 May. 0.0402 0.0365 0.0384
17:01-18:00, Tue., 13 May. 0.0404 0.0363 0.0384
16:01-17:00, Tue., 13 May. 0.0405 0.0362 0.0388
15:01-16:00, Tue., 13 May. 0.0413 0.0370 0.0391
14:01-15:00, Tue., 13 May. 0.0412 0.0366 0.0390
13:01-14:00, Tue., 13 May. 0.0416 0.0363 0.0387
12:01-13:00, Tue., 13 May. 0.0410 0.0366 0.0383
11:01-12:00, Tue., 13 May. 0.0415 0.0360 0.0386
10:01-11:00, Tue., 13 May. 0.0416 0.0359 0.0389
09:01-10:00, Tue., 13 May. 0.0413 0.0365 0.0387
08:01-09:00, Tue., 13 May. 0.0402 0.0360 0.0382
07:01-08:00, Tue., 13 May. 0.0410 0.0361 0.0378
06:01-07:00, Tue., 13 May. 0.0395 0.0346 0.0375
05:01-06:00, Tue., 13 May. 0.0395 0.0354 0.0375
04:01-05:00, Tue., 13 May. 0.0396 0.0337 0.0372
03:01-04:00, Tue., 13 May. 0.0391 0.0352 0.0374
02:01-03:00, Tue., 13 May. 0.0401 0.0358 0.0375
01:01-02:00, Tue., 13 May. 0.0401 0.0355 0.0375
00:01-01:00, Tue., 13 May. 0.0397 0.0356 0.0375
23:01-24:00, Mon., 12 May. 0.0388 0.0350 0.0373
22:01-23:00, Mon., 12 May. 0.0397 0.0351 0.0373
21:01-22:00, Mon., 12 May. 0.0391 0.0348 0.0373
20:01-21:00, Mon., 12 May. 0.0395 0.0346 0.0374
19:01-20:00, Mon., 12 May. 0.0400 0.0349 0.0375
18:01-19:00, Mon., 12 May. 0.0393 0.0347 0.0377
17:01-18:00, Mon., 12 May. 0.0403 0.0355 0.0379
16:01-17:00, Mon., 12 May. 0.0402 0.0348 0.0376
15:01-16:00, Mon., 12 May. 0.0395 0.0359 0.0378
14:01-15:00, Mon., 12 May. 0.0399 0.0362 0.0379
13:01-14:00, Mon., 12 May. 0.0400 0.0349 0.0380
12:01-13:00, Mon., 12 May. 0.0409 0.0363 0.0381
11:01-12:00, Mon., 12 May. 0.0398 0.0361 0.0380
10:01-11:00, Mon., 12 May. 0.0401 0.0358 0.0379
09:01-10:00, Mon., 12 May. 0.0395 0.0356 0.0379
08:01-09:00, Mon., 12 May. 0.0408 0.0351 0.0379
07:01-08:00, Mon., 12 May. 0.0423 0.0365 0.0396
06:01-07:00, Mon., 12 May. 0.0444 0.0393 0.0414
05:01-06:00, Mon., 12 May. 0.0454 0.0398 0.0422
04:01-05:00, Mon., 12 May. 0.0459 0.0400 0.0426
03:01-04:00, Mon., 12 May. 0.0473 0.0416 0.0451
02:01-03:00, Mon., 12 May. 0.0503 0.0431 0.0466
01:01-02:00, Mon., 12 May. 0.0486 0.0430 0.0458
00:01-01:00, Mon., 12 May. 0.0487 0.0431 0.0461
23:01-24:00, Sun., 11 May. 0.0466 0.0417 0.0442
22:01-23:00, Sun., 11 May. 0.0444 0.0385 0.0420
21:01-22:00, Sun., 11 May. 0.0421 0.0379 0.0398
20:01-21:00, Sun., 11 May. 0.0408 0.0367 0.0389
19:01-20:00, Sun., 11 May. 0.0414 0.0367 0.0388
18:01-19:00, Sun., 11 May. 0.0412 0.0360 0.0389
17:01-18:00, Sun., 11 May. 0.0409 0.0367 0.0387
16:01-17:00, Sun., 11 May. 0.0417 0.0360 0.0389
15:01-16:00, Sun., 11 May. 0.0416 0.0363 0.0391
14:01-15:00, Sun., 11 May. 0.0418 0.0369 0.0390
13:01-14:00, Sun., 11 May. 0.0410 0.0372 0.0391
12:01-13:00, Sun., 11 May. 0.0411 0.0367 0.0389
11:01-12:00, Sun., 11 May. 0.0407 0.0371 0.0389
10:01-11:00, Sun., 11 May. 0.0408 0.0360 0.0384
09:01-10:00, Sun., 11 May. 0.0398 0.0351 0.0380
08:01-09:00, Sun., 11 May. 0.0409 0.0364 0.0385
07:01-08:00, Sun., 11 May. 0.0418 0.0369 0.0389
06:01-07:00, Sun., 11 May. 0.0422 0.0363 0.0385
05:01-06:00, Sun., 11 May. 0.0408 0.0361 0.0383
04:01-05:00, Sun., 11 May. 0.0406 0.0352 0.0379
03:01-04:00, Sun., 11 May. 0.0399 0.0363 0.0383
02:01-03:00, Sun., 11 May. 0.0400 0.0356 0.0379
01:01-02:00, Sun., 11 May. 0.0401 0.0363 0.0382
00:01-01:00, Sun., 11 May. 0.0413 0.0363 0.0386
23:01-24:00, Sat., 10 May. 0.0421 0.0366 0.0388
22:01-23:00, Sat., 10 May. 0.0409 0.0370 0.0389
21:01-22:00, Sat., 10 May. 0.0412 0.0364 0.0388
20:01-21:00, Sat., 10 May. 0.0411 0.0363 0.0385
19:01-20:00, Sat., 10 May. 0.0409 0.0363 0.0383
18:01-19:00, Sat., 10 May. 0.0396 0.0356 0.0379
17:01-18:00, Sat., 10 May. 0.0400 0.0355 0.0374
16:01-17:00, Sat., 10 May. 0.0405 0.0355 0.0376
15:01-16:00, Sat., 10 May. 0.0402 0.0357 0.0378
14:01-15:00, Sat., 10 May. 0.0408 0.0354 0.0378
13:01-14:00, Sat., 10 May. 0.0396 0.0352 0.0372
12:01-13:00, Sat., 10 May. 0.0413 0.0353 0.0377
11:01-12:00, Sat., 10 May. 0.0414 0.0364 0.0387
10:01-11:00, Sat., 10 May. 0.0433 0.0382 0.0408
09:01-10:00, Sat., 10 May. 0.0468 0.0406 0.0435
08:01-09:00, Sat., 10 May. 0.0481 0.0431 0.0457
07:01-08:00, Sat., 10 May. 0.0478 0.0413 0.0445
06:01-07:00, Sat., 10 May. 0.0476 0.0422 0.0447
05:01-06:00, Sat., 10 May. 0.0449 0.0362 0.0402
04:01-05:00, Sat., 10 May. 0.0446 0.0372 0.0405
03:01-04:00, Sat., 10 May. 0.0440 0.0393 0.0417
02:01-03:00, Sat., 10 May. 0.0440 0.0384 0.0409
01:01-02:00, Sat., 10 May. 0.0463 0.0403 0.0433
00:01-01:00, Sat., 10 May. 0.0506 0.0427 0.0459