Measurement results of radiation doses in the air / Measurement results by the day (Koto)
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 | |
| Wed., 30 Dec.,2020 | 0.0482 | 0.0352 | 0.0393 |
| Tue., 29 Dec.,2020 | 0.0419 | 0.0357 | 0.0386 |
| Mon., 28 Dec.,2020 | 0.0416 | 0.0353 | 0.0385 |
| Sun., 27 Dec.,2020 | 0.0418 | 0.0351 | 0.0385 |
| Sat., 26 Dec.,2020 | 0.0419 | 0.0357 | 0.0386 |
| Fri., 25 Dec.,2020 | 0.0420 | 0.0359 | 0.0387 |
| Thu., 24 Dec.,2020 | 0.0416 | 0.0353 | 0.0384 |
| Wed., 23 Dec.,2020 | 0.0415 | 0.0354 | 0.0385 |
| Tue., 22 Dec.,2020 | 0.0413 | 0.0352 | 0.0383 |
| Mon., 21 Dec.,2020 | 0.0418 | 0.0347 | 0.0381 |
| Sun., 20 Dec.,2020 | 0.0417 | 0.0345 | 0.0381 |
| Sat., 19 Dec.,2020 | 0.0436 | 0.0348 | 0.0386 |
| Fri., 18 Dec.,2020 | 0.0412 | 0.0350 | 0.0381 |
| Thu., 17 Dec.,2020 | 0.0413 | 0.0348 | 0.0380 |
| Wed., 16 Dec.,2020 | 0.0413 | 0.0353 | 0.0382 |
| Tue., 15 Dec.,2020 | 0.0421 | 0.0352 | 0.0384 |
| Mon., 14 Dec.,2020 | 0.0423 | 0.0350 | 0.0385 |
| Sun., 13 Dec.,2020 | 0.0410 | 0.0350 | 0.0382 |
| Sat., 12 Dec.,2020 | 0.0422 | 0.0350 | 0.0385 |
| Fri., 11 Dec.,2020 | 0.0417 | 0.0351 | 0.0382 |
| Thu., 10 Dec.,2020 | 0.0437 | 0.0347 | 0.0383 |
| Wed., 09 Dec.,2020 | 0.0415 | 0.0348 | 0.0380 |
| Tue., 08 Dec.,2020 | 0.0417 | 0.0351 | 0.0382 |
| Mon., 07 Dec.,2020 | 0.0412 | 0.0347 | 0.0381 |
| Sun., 06 Dec.,2020 | 0.0412 | 0.0343 | 0.0380 |
| Sat., 05 Dec.,2020 | 0.0458 | 0.0350 | 0.0391 |
| Fri., 04 Dec.,2020 | 0.0412 | 0.0342 | 0.0379 |
| Thu., 03 Dec.,2020 | 0.0410 | 0.0348 | 0.0380 |
| Wed., 02 Dec.,2020 | 0.0466 | 0.0357 | 0.0396 |
| Tue., 01 Dec.,2020 | 0.0413 | 0.0272 | 0.0383 |
| Mon., 30 Nov.,2020 | 0.0417 | 0.0350 | 0.0385 |
| Sun., 29 Nov.,2020 | 0.0412 | 0.0347 | 0.0382 |
| Sat., 28 Nov.,2020 | 0.0421 | 0.0355 | 0.0382 |
| Fri., 27 Nov.,2020 | 0.0412 | 0.0353 | 0.0381 |
| Thu., 26 Nov.,2020 | 0.0412 | 0.0347 | 0.0380 |
| Wed., 25 Nov.,2020 | 0.0469 | 0.0350 | 0.0391 |
| Tue., 24 Nov.,2020 | 0.0418 | 0.0351 | 0.0384 |
| Mon., 23 Nov.,2020 | 0.0413 | 0.0350 | 0.0383 |
| Sun., 22 Nov.,2020 | 0.0419 | 0.0354 | 0.0381 |
| Sat., 21 Nov.,2020 | 0.0415 | 0.0351 | 0.0383 |
| Fri., 20 Nov.,2020 | 0.0418 | 0.0344 | 0.0377 |
| Thu., 19 Nov.,2020 | 0.0411 | 0.0349 | 0.0380 |
| Wed., 18 Nov.,2020 | 0.0410 | 0.0347 | 0.0379 |
| Tue., 17 Nov.,2020 | 0.0413 | 0.0343 | 0.0380 |
| Mon., 16 Nov.,2020 | 0.0427 | 0.0353 | 0.0384 |
| Sun., 15 Nov.,2020 | 0.0421 | 0.0350 | 0.0381 |
| Sat., 14 Nov.,2020 | 0.0412 | 0.0351 | 0.0380 |
| Fri., 13 Nov.,2020 | 0.0408 | 0.0345 | 0.0379 |
| Thu., 12 Nov.,2020 | 0.0421 | 0.0348 | 0.0377 |
| Wed., 11 Nov.,2020 | 0.0407 | 0.0346 | 0.0377 |
| Tue., 10 Nov.,2020 | 0.0411 | 0.0349 | 0.0379 |
| Mon., 09 Nov.,2020 | 0.0408 | 0.0345 | 0.0377 |
| Sun., 08 Nov.,2020 | 0.0418 | 0.0343 | 0.0379 |
| Sat., 07 Nov.,2020 | 0.0433 | 0.0348 | 0.0384 |
| Fri., 06 Nov.,2020 | 0.0412 | 0.0349 | 0.0379 |
| Thu., 05 Nov.,2020 | 0.0412 | 0.0349 | 0.0379 |
| Wed., 04 Nov.,2020 | 0.0406 | 0.0350 | 0.0378 |
| Tue., 03 Nov.,2020 | 0.0455 | 0.0342 | 0.0384 |
| Mon., 02 Nov.,2020 | 0.0433 | 0.0345 | 0.0383 |
| Sun., 01 Nov.,2020 | 0.0413 | 0.0350 | 0.0378 |
| Sat., 31 Oct.,2020 | 0.0413 | 0.0343 | 0.0378 |
| Fri., 30 Oct.,2020 | 0.0409 | 0.0340 | 0.0378 |
| Thu., 29 Oct.,2020 | 0.0409 | 0.0344 | 0.0377 |
| Wed., 28 Oct.,2020 | 0.0406 | 0.0345 | 0.0375 |
| Tue., 27 Oct.,2020 | 0.0408 | 0.0341 | 0.0375 |
| Mon., 26 Oct.,2020 | 0.0421 | 0.0346 | 0.0378 |
| Sun., 25 Oct.,2020 | 0.0414 | 0.0349 | 0.0377 |
| Sat., 24 Oct.,2020 | 0.0405 | 0.0345 | 0.0376 |
| Fri., 23 Oct.,2020 | 0.0435 | 0.0340 | 0.0381 |
| Thu., 22 Oct.,2020 | 0.0409 | 0.0339 | 0.0375 |
| Wed., 21 Oct.,2020 | 0.0405 | 0.0342 | 0.0374 |
| Tue., 20 Oct.,2020 | 0.0403 | 0.0347 | 0.0374 |
| Mon., 19 Oct.,2020 | 0.0448 | 0.0343 | 0.0387 |
| Sun., 18 Oct.,2020 | 0.0412 | 0.0346 | 0.0374 |
| Sat., 17 Oct.,2020 | 0.0490 | 0.0347 | 0.0415 |
| Fri., 16 Oct.,2020 | 0.0404 | 0.0336 | 0.0373 |
| Thu., 15 Oct.,2020 | 0.0462 | 0.0336 | 0.0384 |
| Wed., 14 Oct.,2020 | 0.0404 | 0.0340 | 0.0374 |
| Tue., 13 Oct.,2020 | 0.0412 | 0.0343 | 0.0374 |
| Mon., 12 Oct.,2020 | 0.0400 | 0.0336 | 0.0372 |
| Sun., 11 Oct.,2020 | 0.0401 | 0.0341 | 0.0373 |
| Sat., 10 Oct.,2020 | 0.0433 | 0.0354 | 0.0393 |
| Fri., 09 Oct.,2020 | 0.0440 | 0.0351 | 0.0399 |
| Thu., 08 Oct.,2020 | 0.0435 | 0.0284 | 0.0392 |
| Wed., 07 Oct.,2020 | 0.0415 | 0.0217 | 0.0383 |
| Tue., 06 Oct.,2020 | 0.0409 | 0.0342 | 0.0380 |
| Mon., 05 Oct.,2020 | 0.0427 | 0.0350 | 0.0382 |
| Sun., 04 Oct.,2020 | 0.0421 | 0.0343 | 0.0380 |
| Sat., 03 Oct.,2020 | 0.0405 | 0.0347 | 0.0376 |
| Fri., 02 Oct.,2020 | 0.0412 | 0.0347 | 0.0376 |
| Thu., 01 Oct.,2020 | 0.0423 | 0.0345 | 0.0377 |
| Wed., 30 Sep.,2020 | 0.0411 | 0.0342 | 0.0375 |
| Tue., 29 Sep.,2020 | 0.0401 | 0.0339 | 0.0373 |
| Mon., 28 Sep.,2020 | 0.0406 | 0.0345 | 0.0374 |
| Sun., 27 Sep.,2020 | 0.0402 | 0.0343 | 0.0374 |
| Sat., 26 Sep.,2020 | 0.0419 | 0.0346 | 0.0380 |
| Fri., 25 Sep.,2020 | 0.0419 | 0.0336 | 0.0382 |
| Thu., 24 Sep.,2020 | 0.0440 | 0.0351 | 0.0389 |
| Wed., 23 Sep.,2020 | 0.0425 | 0.0342 | 0.0383 |
| Tue., 22 Sep.,2020 | 0.0433 | 0.0353 | 0.0382 |
| Mon., 21 Sep.,2020 | 0.0443 | 0.0345 | 0.0384 |
| Sun., 20 Sep.,2020 | 0.0412 | 0.0350 | 0.0383 |
| Sat., 19 Sep.,2020 | 0.0409 | 0.0352 | 0.0380 |
| Fri., 18 Sep.,2020 | 0.0408 | 0.0343 | 0.0375 |
| Thu., 17 Sep.,2020 | 0.0405 | 0.0335 | 0.0374 |
| Wed., 16 Sep.,2020 | 0.0405 | 0.0343 | 0.0374 |
| Tue., 15 Sep.,2020 | 0.0405 | 0.0335 | 0.0373 |
| Mon., 14 Sep.,2020 | 0.0405 | 0.0340 | 0.0373 |
| Sun., 13 Sep.,2020 | 0.0403 | 0.0343 | 0.0373 |
| Sat., 12 Sep.,2020 | 0.0402 | 0.0343 | 0.0373 |
| Fri., 11 Sep.,2020 | 0.0406 | 0.0343 | 0.0373 |
| Thu., 10 Sep.,2020 | 0.0402 | 0.0339 | 0.0372 |
| Wed., 09 Sep.,2020 | 0.0409 | 0.0345 | 0.0373 |
| Tue., 08 Sep.,2020 | 0.0405 | 0.0340 | 0.0371 |
| Mon., 07 Sep.,2020 | 0.0401 | 0.0339 | 0.0371 |
| Sun., 06 Sep.,2020 | 0.0422 | 0.0338 | 0.0377 |
| Sat., 05 Sep.,2020 | 0.0416 | 0.0352 | 0.0383 |
| Fri., 04 Sep.,2020 | 0.0412 | 0.0344 | 0.0378 |
| Thu., 03 Sep.,2020 | 0.0409 | 0.0343 | 0.0378 |
| Wed., 02 Sep.,2020 | 0.0415 | 0.0343 | 0.0383 |
| Tue., 01 Sep.,2020 | 0.0417 | 0.0350 | 0.0385 |
| Mon., 31 Aug.,2020 | 0.0423 | 0.0352 | 0.0382 |
| Sun., 30 Aug.,2020 | 0.0414 | 0.0349 | 0.0382 |
| Sat., 29 Aug.,2020 | 0.0411 | 0.0350 | 0.0380 |
| Fri., 28 Aug.,2020 | 0.0415 | 0.0343 | 0.0378 |
| Thu., 27 Aug.,2020 | 0.0418 | 0.0075 | 0.0380 |
| Wed., 26 Aug.,2020 | 0.0419 | 0.0350 | 0.0382 |
| Tue., 25 Aug.,2020 | 0.0412 | 0.0349 | 0.0381 |
| Mon., 24 Aug.,2020 | 0.0429 | 0.0347 | 0.0379 |
| Sun., 23 Aug.,2020 | 0.0471 | 0.0353 | 0.0390 |
| Sat., 22 Aug.,2020 | 0.0430 | 0.0355 | 0.0387 |
| Fri., 21 Aug.,2020 | 0.0413 | 0.0355 | 0.0385 |
| Thu., 20 Aug.,2020 | 0.0412 | 0.0353 | 0.0385 |
| Wed., 19 Aug.,2020 | 0.0418 | 0.0356 | 0.0385 |
| Tue., 18 Aug.,2020 | 0.0425 | 0.0356 | 0.0384 |
| Mon., 17 Aug.,2020 | 0.0419 | 0.0349 | 0.0384 |
| Sun., 16 Aug.,2020 | 0.0416 | 0.0353 | 0.0386 |
| Sat., 15 Aug.,2020 | 0.0414 | 0.0353 | 0.0385 |
| Fri., 14 Aug.,2020 | 0.0421 | 0.0350 | 0.0384 |
| Thu., 13 Aug.,2020 | 0.0415 | 0.0353 | 0.0384 |
| Wed., 12 Aug.,2020 | 0.0429 | 0.0348 | 0.0383 |
| Tue., 11 Aug.,2020 | 0.0411 | 0.0348 | 0.0379 |
| Mon., 10 Aug.,2020 | 0.0410 | 0.0183 | 0.0382 |
| Sun., 09 Aug.,2020 | 0.0413 | 0.0350 | 0.0380 |
| Sat., 08 Aug.,2020 | 0.0410 | 0.0345 | 0.0380 |
| Fri., 07 Aug.,2020 | 0.0411 | 0.0349 | 0.0378 |
| Thu., 06 Aug.,2020 | 0.0406 | 0.0347 | 0.0376 |
| Wed., 05 Aug.,2020 | 0.0405 | 0.0341 | 0.0376 |
| Tue., 04 Aug.,2020 | 0.0402 | 0.0338 | 0.0375 |
| Mon., 03 Aug.,2020 | 0.0408 | 0.0343 | 0.0373 |
| Sun., 02 Aug.,2020 | 0.0401 | 0.0340 | 0.0373 |
| Sat., 01 Aug.,2020 | 0.0419 | 0.0344 | 0.0375 |
| Fri., 31 Jul.,2020 | 0.0406 | 0.0341 | 0.0372 |
| Thu., 30 Jul.,2020 | 0.0395 | 0.0335 | 0.0371 |
| Fri., 10 Jul.,2020 | 0.803 | 0.215 | 0.542 |
Past data