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
14:01-15:00, Mon., 01 Jun. 0.0422 0.0384 0.0406
13:01-14:00, Mon., 01 Jun. 0.0426 0.0384 0.0403
12:01-13:00, Mon., 01 Jun. 0.0442 0.0379 0.0404
11:01-12:00, Mon., 01 Jun. 0.0438 0.0392 0.0408
10:01-11:00, Mon., 01 Jun. 0.0426 0.0383 0.0404
09:01-10:00, Mon., 01 Jun. 0.0431 0.0384 0.0405
08:01-09:00, Mon., 01 Jun. 0.0443 0.0389 0.0406
07:01-08:00, Mon., 01 Jun. 0.0418 0.0374 0.0397
06:01-07:00, Mon., 01 Jun. 0.0426 0.0371 0.0400
05:01-06:00, Mon., 01 Jun. 0.0419 0.0374 0.0398
04:01-05:00, Mon., 01 Jun. 0.0425 0.0373 0.0394
03:01-04:00, Mon., 01 Jun. 0.0430 0.0357 0.0396
02:01-03:00, Mon., 01 Jun. 0.0416 0.0375 0.0394
01:01-02:00, Mon., 01 Jun. 0.0423 0.0378 0.0395
00:01-01:00, Mon., 01 Jun. 0.0416 0.0368 0.0393
23:01-24:00, Sun., 31 May. 0.0412 0.0372 0.0393
22:01-23:00, Sun., 31 May. 0.0411 0.0371 0.0389
21:01-22:00, Sun., 31 May. 0.0420 0.0367 0.0394
20:01-21:00, Sun., 31 May. 0.0429 0.0377 0.0398
19:01-20:00, Sun., 31 May. 0.0430 0.0377 0.0400
18:01-19:00, Sun., 31 May. 0.0419 0.0374 0.0401
17:01-18:00, Sun., 31 May. 0.0423 0.0373 0.0396
16:01-17:00, Sun., 31 May. 0.0430 0.0376 0.0398
15:01-16:00, Sun., 31 May. 0.0423 0.0375 0.0398
14:01-15:00, Sun., 31 May. 0.0427 0.0371 0.0396
13:01-14:00, Sun., 31 May. 0.0432 0.0367 0.0402
12:01-13:00, Sun., 31 May. 0.0430 0.0375 0.0399
11:01-12:00, Sun., 31 May. 0.0420 0.0363 0.0396
10:01-11:00, Sun., 31 May. 0.0423 0.0379 0.0400
09:01-10:00, Sun., 31 May. 0.0427 0.0380 0.0402
08:01-09:00, Sun., 31 May. 0.0423 0.0375 0.0402
07:01-08:00, Sun., 31 May. 0.0415 0.0374 0.0394
06:01-07:00, Sun., 31 May. 0.0416 0.0364 0.0393
05:01-06:00, Sun., 31 May. 0.0419 0.0366 0.0394
04:01-05:00, Sun., 31 May. 0.0411 0.0367 0.0390
03:01-04:00, Sun., 31 May. 0.0413 0.0364 0.0392
02:01-03:00, Sun., 31 May. 0.0414 0.0363 0.0390
01:01-02:00, Sun., 31 May. 0.0414 0.0365 0.0391
00:01-01:00, Sun., 31 May. 0.0417 0.0370 0.0389
23:01-24:00, Sat., 30 May. 0.0411 0.0364 0.0390
22:01-23:00, Sat., 30 May. 0.0413 0.0371 0.0390
21:01-22:00, Sat., 30 May. 0.0416 0.0370 0.0392
20:01-21:00, Sat., 30 May. 0.0412 0.0369 0.0388
19:01-20:00, Sat., 30 May. 0.0419 0.0363 0.0390
18:01-19:00, Sat., 30 May. 0.0415 0.0370 0.0393
17:01-18:00, Sat., 30 May. 0.0438 0.0382 0.0400
16:01-17:00, Sat., 30 May. 0.0422 0.0371 0.0401
15:01-16:00, Sat., 30 May. 0.0418 0.0373 0.0397
14:01-15:00, Sat., 30 May. 0.0425 0.0379 0.0401
13:01-14:00, Sat., 30 May. 0.0425 0.0380 0.0400
12:01-13:00, Sat., 30 May. 0.0420 0.0384 0.0400
11:01-12:00, Sat., 30 May. 0.0422 0.0377 0.0399
10:01-11:00, Sat., 30 May. 0.0433 0.0373 0.0398
09:01-10:00, Sat., 30 May. 0.0420 0.0375 0.0401
08:01-09:00, Sat., 30 May. 0.0427 0.0377 0.0400
07:01-08:00, Sat., 30 May. 0.0416 0.0367 0.0392
06:01-07:00, Sat., 30 May. 0.0415 0.0360 0.0390
05:01-06:00, Sat., 30 May. 0.0417 0.0368 0.0391
04:01-05:00, Sat., 30 May. 0.0405 0.0367 0.0389
03:01-04:00, Sat., 30 May. 0.0417 0.0369 0.0391
02:01-03:00, Sat., 30 May. 0.0430 0.0370 0.0394
01:01-02:00, Sat., 30 May. 0.0413 0.0372 0.0392
00:01-01:00, Sat., 30 May. 0.0410 0.0369 0.0389
23:01-24:00, Fri., 29 May. 0.0409 0.0369 0.0390
22:01-23:00, Fri., 29 May. 0.0421 0.0375 0.0394
21:01-22:00, Fri., 29 May. 0.0431 0.0370 0.0399
20:01-21:00, Fri., 29 May. 0.0419 0.0372 0.0398
19:01-20:00, Fri., 29 May. 0.0419 0.0361 0.0397
18:01-19:00, Fri., 29 May. 0.0426 0.0360 0.0399
17:01-18:00, Fri., 29 May. 0.0424 0.0377 0.0396
16:01-17:00, Fri., 29 May. 0.0426 0.0377 0.0402
15:01-16:00, Fri., 29 May. 0.0429 0.0382 0.0403
14:01-15:00, Fri., 29 May. 0.0428 0.0387 0.0405
13:01-14:00, Fri., 29 May. 0.0428 0.0381 0.0403
12:01-13:00, Fri., 29 May. 0.0425 0.0384 0.0400
11:01-12:00, Fri., 29 May. 0.0425 0.0379 0.0401
10:01-11:00, Fri., 29 May. 0.0423 0.0380 0.0400
09:01-10:00, Fri., 29 May. 0.0420 0.0382 0.0399
08:01-09:00, Fri., 29 May. 0.0422 0.0374 0.0399
07:01-08:00, Fri., 29 May. 0.0433 0.0387 0.0406
06:01-07:00, Fri., 29 May. 0.0409 0.0370 0.0390
05:01-06:00, Fri., 29 May. 0.0415 0.0356 0.0385
04:01-05:00, Fri., 29 May. 0.0409 0.0359 0.0383
03:01-04:00, Fri., 29 May. 0.0412 0.0364 0.0383
02:01-03:00, Fri., 29 May. 0.0416 0.0367 0.0386
01:01-02:00, Fri., 29 May. 0.0410 0.0363 0.0387
00:01-01:00, Fri., 29 May. 0.0405 0.0363 0.0386
23:01-24:00, Thu., 28 May. 0.0415 0.0363 0.0386
22:01-23:00, Thu., 28 May. 0.0416 0.0367 0.0386
21:01-22:00, Thu., 28 May. 0.0406 0.0356 0.0387
20:01-21:00, Thu., 28 May. 0.0409 0.0362 0.0385
19:01-20:00, Thu., 28 May. 0.0412 0.0364 0.0387
18:01-19:00, Thu., 28 May. 0.0414 0.0377 0.0393
17:01-18:00, Thu., 28 May. 0.0409 0.0366 0.0390
16:01-17:00, Thu., 28 May. 0.0417 0.0370 0.0386
15:01-16:00, Thu., 28 May. 0.0415 0.0355 0.0389
14:01-15:00, Thu., 28 May. 0.0414 0.0374 0.0391
13:01-14:00, Thu., 28 May. 0.0414 0.0374 0.0391
12:01-13:00, Thu., 28 May. 0.0408 0.0369 0.0389
11:01-12:00, Thu., 28 May. 0.0404 0.0367 0.0388
10:01-11:00, Thu., 28 May. 0.0416 0.0362 0.0386
09:01-10:00, Thu., 28 May. 0.0409 0.0364 0.0387
08:01-09:00, Thu., 28 May. 0.0411 0.0359 0.0384
07:01-08:00, Thu., 28 May. 0.0405 0.0349 0.0377
06:01-07:00, Thu., 28 May. 0.0401 0.0359 0.0381
05:01-06:00, Thu., 28 May. 0.0402 0.0353 0.0380
04:01-05:00, Thu., 28 May. 0.0401 0.0361 0.0378
03:01-04:00, Thu., 28 May. 0.0409 0.0359 0.0378
02:01-03:00, Thu., 28 May. 0.0406 0.0358 0.0377
01:01-02:00, Thu., 28 May. 0.0412 0.0349 0.0378
00:01-01:00, Thu., 28 May. 0.0398 0.0359 0.0379
23:01-24:00, Wed., 27 May. 0.0411 0.0351 0.0379
22:01-23:00, Wed., 27 May. 0.0398 0.0351 0.0378
21:01-22:00, Wed., 27 May. 0.0407 0.0365 0.0381
20:01-21:00, Wed., 27 May. 0.0406 0.0370 0.0387
19:01-20:00, Wed., 27 May. 0.0406 0.0373 0.0387
18:01-19:00, Wed., 27 May. 0.0410 0.0358 0.0385
17:01-18:00, Wed., 27 May. 0.0402 0.0362 0.0383
16:01-17:00, Wed., 27 May. 0.0399 0.0365 0.0383
15:01-16:00, Wed., 27 May. 0.0408 0.0363 0.0385
14:01-15:00, Wed., 27 May. 0.0412 0.0365 0.0385
13:01-14:00, Wed., 27 May. 0.0411 0.0355 0.0384
12:01-13:00, Wed., 27 May. 0.0412 0.0367 0.0388
11:01-12:00, Wed., 27 May. 0.0401 0.0365 0.0383
10:01-11:00, Wed., 27 May. 0.0412 0.0367 0.0388
09:01-10:00, Wed., 27 May. 0.0409 0.0343 0.0384
08:01-09:00, Wed., 27 May. 0.0401 0.0357 0.0379
07:01-08:00, Wed., 27 May. 0.0403 0.0353 0.0378
06:01-07:00, Wed., 27 May. 0.0403 0.0360 0.0378
05:01-06:00, Wed., 27 May. 0.0405 0.0360 0.0378
04:01-05:00, Wed., 27 May. 0.0397 0.0361 0.0377
03:01-04:00, Wed., 27 May. 0.0398 0.0356 0.0377
02:01-03:00, Wed., 27 May. 0.0405 0.0349 0.0377
01:01-02:00, Wed., 27 May. 0.0398 0.0357 0.0377
00:01-01:00, Wed., 27 May. 0.0405 0.0346 0.0379
23:01-24:00, Tue., 26 May. 0.0403 0.0355 0.0376
22:01-23:00, Tue., 26 May. 0.0397 0.0356 0.0374
21:01-22:00, Tue., 26 May. 0.0390 0.0343 0.0372
20:01-21:00, Tue., 26 May. 0.0398 0.0349 0.0373
19:01-20:00, Tue., 26 May. 0.0398 0.0356 0.0377
18:01-19:00, Tue., 26 May. 0.0398 0.0354 0.0381
17:01-18:00, Tue., 26 May. 0.0413 0.0360 0.0385
16:01-17:00, Tue., 26 May. 0.0406 0.0362 0.0380
15:01-16:00, Tue., 26 May. 0.0404 0.0367 0.0387
14:01-15:00, Tue., 26 May. 0.0402 0.0355 0.0382
13:01-14:00, Tue., 26 May. 0.0408 0.0358 0.0382
12:01-13:00, Tue., 26 May. 0.0412 0.0358 0.0381
11:01-12:00, Tue., 26 May. 0.0397 0.0363 0.0380
10:01-11:00, Tue., 26 May. 0.0402 0.0357 0.0381
09:01-10:00, Tue., 26 May. 0.0405 0.0364 0.0384
08:01-09:00, Tue., 26 May. 0.0393 0.0350 0.0374
07:01-08:00, Tue., 26 May. 0.0410 0.0350 0.0374
06:01-07:00, Tue., 26 May. 0.0399 0.0355 0.0378
05:01-06:00, Tue., 26 May. 0.0395 0.0352 0.0374
04:01-05:00, Tue., 26 May. 0.0408 0.0356 0.0376
03:01-04:00, Tue., 26 May. 0.0403 0.0359 0.0377
02:01-03:00, Tue., 26 May. 0.0402 0.0363 0.0379
01:01-02:00, Tue., 26 May. 0.0393 0.0353 0.0375
00:01-01:00, Tue., 26 May. 0.0395 0.0350 0.0373
23:01-24:00, Mon., 25 May. 0.0398 0.0360 0.0376
22:01-23:00, Mon., 25 May. 0.0398 0.0353 0.0373
21:01-22:00, Mon., 25 May. 0.0394 0.0355 0.0373
20:01-21:00, Mon., 25 May. 0.0402 0.0347 0.0372
19:01-20:00, Mon., 25 May. 0.0397 0.0351 0.0372
18:01-19:00, Mon., 25 May. 0.0402 0.0359 0.0375
17:01-18:00, Mon., 25 May. 0.0398 0.0360 0.0379
16:01-17:00, Mon., 25 May. 0.0402 0.0355 0.0380
15:01-16:00, Mon., 25 May. 0.0402 0.0361 0.0381
14:01-15:00, Mon., 25 May. 0.0403 0.0347 0.0380
13:01-14:00, Mon., 25 May. 0.0410 0.0353 0.0382
12:01-13:00, Mon., 25 May. 0.0408 0.0353 0.0379
11:01-12:00, Mon., 25 May. 0.0404 0.0357 0.0379
10:01-11:00, Mon., 25 May. 0.0406 0.0353 0.0380
09:01-10:00, Mon., 25 May. 0.0412 0.0355 0.0376
08:01-09:00, Mon., 25 May. 0.0407 0.0354 0.0375
07:01-08:00, Mon., 25 May. 0.0399 0.0349 0.0374
06:01-07:00, Mon., 25 May. 0.0397 0.0355 0.0375
05:01-06:00, Mon., 25 May. 0.0405 0.0350 0.0373
04:01-05:00, Mon., 25 May. 0.0398 0.0351 0.0373
03:01-04:00, Mon., 25 May. 0.0401 0.0349 0.0374
02:01-03:00, Mon., 25 May. 0.0388 0.0345 0.0373
01:01-02:00, Mon., 25 May. 0.0388 0.0347 0.0372
00:01-01:00, Mon., 25 May. 0.0385 0.0346 0.0369
23:01-24:00, Sun., 24 May. 0.0398 0.0347 0.0368
22:01-23:00, Sun., 24 May. 0.0390 0.0346 0.0368
21:01-22:00, Sun., 24 May. 0.0391 0.0345 0.0369
20:01-21:00, Sun., 24 May. 0.0390 0.0346 0.0372
19:01-20:00, Sun., 24 May. 0.0407 0.0347 0.0370
18:01-19:00, Sun., 24 May. 0.0388 0.0341 0.0370
17:01-18:00, Sun., 24 May. 0.0394 0.0339 0.0369
16:01-17:00, Sun., 24 May. 0.0393 0.0352 0.0369
15:01-16:00, Sun., 24 May. 0.0388 0.0342 0.0368
14:01-15:00, Sun., 24 May. 0.0393 0.0342 0.0369
13:01-14:00, Sun., 24 May. 0.0393 0.0347 0.0365
12:01-13:00, Sun., 24 May. 0.0374 0.0336 0.0359
11:01-12:00, Sun., 24 May. 0.0380 0.0338 0.0360
10:01-11:00, Sun., 24 May. 0.0386 0.0345 0.0364
09:01-10:00, Sun., 24 May. 0.0383 0.0349 0.0368
08:01-09:00, Sun., 24 May. 0.0395 0.0346 0.0369
07:01-08:00, Sun., 24 May. 0.0392 0.0346 0.0369
06:01-07:00, Sun., 24 May. 0.0390 0.0343 0.0365
05:01-06:00, Sun., 24 May. 0.0386 0.0345 0.0366
04:01-05:00, Sun., 24 May. 0.0389 0.0349 0.0367
03:01-04:00, Sun., 24 May. 0.0391 0.0351 0.0370
02:01-03:00, Sun., 24 May. 0.0401 0.0350 0.0373
01:01-02:00, Sun., 24 May. 0.0416 0.0349 0.0384
00:01-01:00, Sun., 24 May. 0.0388 0.0345 0.0366
23:01-24:00, Sat., 23 May. 0.0382 0.0343 0.0365
22:01-23:00, Sat., 23 May. 0.0383 0.0343 0.0366
21:01-22:00, Sat., 23 May. 0.0386 0.0335 0.0365
20:01-21:00, Sat., 23 May. 0.0389 0.0341 0.0364
19:01-20:00, Sat., 23 May. 0.0383 0.0344 0.0363
18:01-19:00, Sat., 23 May. 0.0393 0.0337 0.0362
17:01-18:00, Sat., 23 May. 0.0388 0.0346 0.0365
16:01-17:00, Sat., 23 May. 0.0389 0.0344 0.0366
15:01-16:00, Sat., 23 May. 0.0388 0.0343 0.0367
14:01-15:00, Sat., 23 May. 0.0389 0.0350 0.0367
13:01-14:00, Sat., 23 May. 0.0391 0.0350 0.0369
12:01-13:00, Sat., 23 May. 0.0401 0.0346 0.0370
11:01-12:00, Sat., 23 May. 0.0388 0.0342 0.0366
10:01-11:00, Sat., 23 May. 0.0386 0.0342 0.0364
09:01-10:00, Sat., 23 May. 0.0386 0.0333 0.0363
08:01-09:00, Sat., 23 May. 0.0398 0.0335 0.0360
07:01-08:00, Sat., 23 May. 0.0381 0.0342 0.0361
06:01-07:00, Sat., 23 May. 0.0381 0.0338 0.0359
05:01-06:00, Sat., 23 May. 0.0380 0.0337 0.0359
04:01-05:00, Sat., 23 May. 0.0392 0.0340 0.0360
03:01-04:00, Sat., 23 May. 0.0381 0.0343 0.0362
02:01-03:00, Sat., 23 May. 0.0377 0.0340 0.0362
01:01-02:00, Sat., 23 May. 0.0385 0.0337 0.0362
00:01-01:00, Sat., 23 May. 0.0384 0.0335 0.0361
23:01-24:00, Fri., 22 May. 0.0382 0.0332 0.0359
22:01-23:00, Fri., 22 May. 0.0381 0.0338 0.0360
21:01-22:00, Fri., 22 May. 0.0381 0.0337 0.0359
20:01-21:00, Fri., 22 May. 0.0380 0.0336 0.0357
19:01-20:00, Fri., 22 May. 0.0382 0.0327 0.0358
18:01-19:00, Fri., 22 May. 0.0395 0.0339 0.0364
17:01-18:00, Fri., 22 May. 0.0390 0.0343 0.0367
16:01-17:00, Fri., 22 May. 0.0395 0.0343 0.0373
15:01-16:00, Fri., 22 May. 0.0451 0.0360 0.0400