Measurement results of radiation doses in the air / Measurement results by the day (Shinjuku)
News about this monitoring post
〇Suspension of atmospheric radiation measurement due to repairs at the monitoring post (Shinjuku station)
Equipment repair work at the monitoring post (Shinjuku station) will be carried out from 13:00 on Thursday, September 5, 2024.
During this work, atmospheric radiation measurement will be suspended.
Restoration is scheduled for early December.
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 | |
| Thu., 05 Sep.,2024 | 0.0402 | 0.0329 | 0.0362 |
| Wed., 04 Sep.,2024 | 0.0407 | 0.0322 | 0.0361 |
| Tue., 03 Sep.,2024 | 0.0493 | 0.0329 | 0.0368 |
| Mon., 02 Sep.,2024 | 0.0407 | 0.0321 | 0.0358 |
| Sun., 01 Sep.,2024 | 0.0464 | 0.0329 | 0.0369 |
| Sat., 31 Aug.,2024 | 0.0456 | 0.0335 | 0.0371 |
| Fri., 30 Aug.,2024 | 0.0445 | 0.0332 | 0.0371 |
| Thu., 29 Aug.,2024 | 0.0413 | 0.0331 | 0.0359 |
| Wed., 28 Aug.,2024 | 0.0401 | 0.0327 | 0.0356 |
| Tue., 27 Aug.,2024 | 0.0417 | 0.0312 | 0.0355 |
| Mon., 26 Aug.,2024 | 0.0400 | 0.0325 | 0.0358 |
| Sun., 25 Aug.,2024 | 0.0400 | 0.0325 | 0.0359 |
| Sat., 24 Aug.,2024 | 0.0406 | 0.0330 | 0.0359 |
| Fri., 23 Aug.,2024 | 0.0413 | 0.0329 | 0.0358 |
| Thu., 22 Aug.,2024 | 0.0448 | 0.0330 | 0.0363 |
| Wed., 21 Aug.,2024 | 0.0569 | 0.0334 | 0.0380 |
| Tue., 20 Aug.,2024 | 0.0416 | 0.0333 | 0.0363 |
| Mon., 19 Aug.,2024 | 0.0608 | 0.0335 | 0.0388 |
| Sun., 18 Aug.,2024 | 0.0428 | 0.0328 | 0.0360 |
| Sat., 17 Aug.,2024 | 0.0397 | 0.0336 | 0.0362 |
| Fri., 16 Aug.,2024 | 0.0443 | 0.0334 | 0.0369 |
| Thu., 15 Aug.,2024 | 0.0406 | 0.0324 | 0.0358 |
| Wed., 14 Aug.,2024 | 0.0694 | 0.0327 | 0.0385 |
| Tue., 13 Aug.,2024 | 0.0406 | 0.0338 | 0.0363 |
| Mon., 12 Aug.,2024 | 0.0416 | 0.0340 | 0.0366 |
| Sun., 11 Aug.,2024 | 0.0418 | 0.0339 | 0.0366 |
| Sat., 10 Aug.,2024 | 0.0406 | 0.0334 | 0.0365 |
| Fri., 09 Aug.,2024 | 0.0410 | 0.0331 | 0.0358 |
| Thu., 08 Aug.,2024 | 0.0416 | 0.0328 | 0.0359 |
| Wed., 07 Aug.,2024 | 0.0589 | 0.0335 | 0.0396 |
| Tue., 06 Aug.,2024 | 0.0395 | 0.0330 | 0.0360 |
| Mon., 05 Aug.,2024 | 0.0410 | 0.0334 | 0.0362 |
| Sun., 04 Aug.,2024 | 0.0401 | 0.0331 | 0.0360 |
| Sat., 03 Aug.,2024 | 0.0402 | 0.0330 | 0.0359 |
| Fri., 02 Aug.,2024 | 0.0401 | 0.0332 | 0.0360 |
| Thu., 01 Aug.,2024 | 0.0402 | 0.0335 | 0.0361 |
| Wed., 31 Jul.,2024 | 0.0735 | 0.0343 | 0.0423 |
| Tue., 30 Jul.,2024 | 0.0496 | 0.0340 | 0.0375 |
| Mon., 29 Jul.,2024 | 0.0408 | 0.0332 | 0.0363 |
| Sun., 28 Jul.,2024 | 0.0405 | 0.0331 | 0.0361 |
| Sat., 27 Jul.,2024 | 0.0407 | 0.0329 | 0.0363 |
| Fri., 26 Jul.,2024 | 0.0450 | 0.0331 | 0.0367 |
| Thu., 25 Jul.,2024 | 0.0504 | 0.0331 | 0.0374 |
| Wed., 24 Jul.,2024 | 0.0424 | 0.0332 | 0.0361 |
| Tue., 23 Jul.,2024 | 0.0409 | 0.0330 | 0.0361 |
| Mon., 22 Jul.,2024 | 0.0604 | 0.0327 | 0.0383 |
| Sun., 21 Jul.,2024 | 0.0654 | 0.0329 | 0.0388 |
| Sat., 20 Jul.,2024 | 0.0867 | 0.0323 | 0.0427 |
| Fri., 19 Jul.,2024 | 0.0401 | 0.0325 | 0.0357 |
| Thu., 18 Jul.,2024 | 0.0397 | 0.0329 | 0.0358 |
| Wed., 17 Jul.,2024 | 0.0417 | 0.0328 | 0.0361 |
| Tue., 16 Jul.,2024 | 0.0463 | 0.0330 | 0.0367 |
| Mon., 15 Jul.,2024 | 0.0395 | 0.0323 | 0.0357 |
| Sun., 14 Jul.,2024 | 0.0542 | 0.0324 | 0.0383 |
| Sat., 13 Jul.,2024 | 0.0432 | 0.0335 | 0.0366 |
| Fri., 12 Jul.,2024 | 0.0501 | 0.0337 | 0.0402 |
| Thu., 11 Jul.,2024 | 0.0446 | 0.0324 | 0.0367 |
| Wed., 10 Jul.,2024 | 0.0417 | 0.0327 | 0.0363 |
| Tue., 09 Jul.,2024 | 0.0411 | 0.0336 | 0.0366 |
| Mon., 08 Jul.,2024 | 0.0419 | 0.0335 | 0.0363 |
| Sun., 07 Jul.,2024 | 0.0425 | 0.0334 | 0.0362 |
| Sat., 06 Jul.,2024 | 0.0843 | 0.0337 | 0.0413 |
| Fri., 05 Jul.,2024 | 0.0417 | 0.0332 | 0.0364 |
| Thu., 04 Jul.,2024 | 0.0402 | 0.0330 | 0.0361 |
| Wed., 03 Jul.,2024 | 0.0408 | 0.0320 | 0.0359 |
| Tue., 02 Jul.,2024 | 0.0409 | 0.0333 | 0.0361 |
| Mon., 01 Jul.,2024 | 0.0609 | 0.0324 | 0.0389 |
| Sun., 30 Jun.,2024 | 0.0400 | 0.0327 | 0.0357 |
| Sat., 29 Jun.,2024 | 0.0402 | 0.0325 | 0.0356 |
| Fri., 28 Jun.,2024 | 0.0482 | 0.0344 | 0.0407 |
| Thu., 27 Jun.,2024 | 0.0396 | 0.0327 | 0.0359 |
| Wed., 26 Jun.,2024 | 0.0408 | 0.0319 | 0.0361 |
| Tue., 25 Jun.,2024 | 0.0400 | 0.0330 | 0.0361 |
| Mon., 24 Jun.,2024 | 0.0403 | 0.0324 | 0.0360 |
| Sun., 23 Jun.,2024 | 0.0690 | 0.0332 | 0.0424 |
| Sat., 22 Jun.,2024 | 0.0413 | 0.0324 | 0.0357 |
| Fri., 21 Jun.,2024 | 0.0493 | 0.0326 | 0.0382 |
| Thu., 20 Jun.,2024 | 0.0395 | 0.0319 | 0.0357 |
| Wed., 19 Jun.,2024 | 0.0404 | 0.0326 | 0.0358 |
| Tue., 18 Jun.,2024 | 0.0683 | 0.0326 | 0.0440 |
| Mon., 17 Jun.,2024 | 0.0409 | 0.0328 | 0.0362 |
| Sun., 16 Jun.,2024 | 0.0457 | 0.0327 | 0.0373 |
| Sat., 15 Jun.,2024 | 0.0466 | 0.0328 | 0.0362 |
| Fri., 14 Jun.,2024 | 0.0403 | 0.0325 | 0.0360 |
| Thu., 13 Jun.,2024 | 0.0392 | 0.0318 | 0.0354 |
| Wed., 12 Jun.,2024 | 0.0397 | 0.0316 | 0.0355 |
| Tue., 11 Jun.,2024 | 0.0399 | 0.0320 | 0.0353 |
| Mon., 10 Jun.,2024 | 0.0460 | 0.0326 | 0.0369 |
| Sun., 09 Jun.,2024 | 0.0406 | 0.0321 | 0.0355 |
| Sat., 08 Jun.,2024 | 0.0394 | 0.0321 | 0.0354 |
| Fri., 07 Jun.,2024 | 0.0394 | 0.0320 | 0.0354 |
| Thu., 06 Jun.,2024 | 0.0404 | 0.0324 | 0.0357 |
| Wed., 05 Jun.,2024 | 0.0400 | 0.0324 | 0.0357 |
| Tue., 04 Jun.,2024 | 0.0412 | 0.0324 | 0.0356 |
| Mon., 03 Jun.,2024 | 0.0582 | 0.0329 | 0.0386 |
| Sun., 02 Jun.,2024 | 0.0504 | 0.0331 | 0.0379 |
| Sat., 01 Jun.,2024 | 0.0412 | 0.0329 | 0.0360 |
| Fri., 31 May.,2024 | 0.0503 | 0.0328 | 0.0380 |
| Thu., 30 May.,2024 | 0.0407 | 0.0328 | 0.0361 |
| Wed., 29 May.,2024 | 0.0414 | 0.0332 | 0.0362 |
| Tue., 28 May.,2024 | 0.0444 | 0.0328 | 0.0367 |
| Mon., 27 May.,2024 | 0.0407 | 0.0330 | 0.0363 |
| Sun., 26 May.,2024 | 0.0402 | 0.0326 | 0.0361 |
| Sat., 25 May.,2024 | 0.0406 | 0.0334 | 0.0362 |
| Fri., 24 May.,2024 | 0.0425 | 0.0328 | 0.0364 |
| Thu., 23 May.,2024 | 0.0395 | 0.0327 | 0.0358 |
| Wed., 22 May.,2024 | 0.0398 | 0.0328 | 0.0357 |
| Tue., 21 May.,2024 | 0.0410 | 0.0319 | 0.0361 |
| Mon., 20 May.,2024 | 0.0454 | 0.0328 | 0.0365 |
| Sun., 19 May.,2024 | 0.0405 | 0.0330 | 0.0363 |
| Sat., 18 May.,2024 | 0.0416 | 0.0331 | 0.0361 |
| Fri., 17 May.,2024 | 0.0407 | 0.0329 | 0.0359 |
| Thu., 16 May.,2024 | 0.0481 | 0.0329 | 0.0371 |
| Wed., 15 May.,2024 | 0.0460 | 0.0322 | 0.0367 |
| Tue., 14 May.,2024 | 0.0465 | 0.0328 | 0.0360 |
| Mon., 13 May.,2024 | 0.0542 | 0.0328 | 0.0419 |
| Sun., 12 May.,2024 | 0.0395 | 0.0330 | 0.0357 |
| Sat., 11 May.,2024 | 0.0404 | 0.0327 | 0.0357 |
| Fri., 10 May.,2024 | 0.0409 | 0.0320 | 0.0357 |
| Thu., 09 May.,2024 | 0.0430 | 0.0322 | 0.0363 |
| Wed., 08 May.,2024 | 0.0585 | 0.0326 | 0.0381 |
| Tue., 07 May.,2024 | 0.0421 | 0.0326 | 0.0365 |
| Mon., 06 May.,2024 | 0.0399 | 0.0327 | 0.0359 |
| Sun., 05 May.,2024 | 0.0403 | 0.0330 | 0.0360 |
| Sat., 04 May.,2024 | 0.0409 | 0.0329 | 0.0360 |
| Fri., 03 May.,2024 | 0.0400 | 0.0322 | 0.0356 |
| Thu., 02 May.,2024 | 0.0492 | 0.0324 | 0.0374 |
| Wed., 01 May.,2024 | 0.0656 | 0.0336 | 0.0447 |
| Tue., 30 Apr.,2024 | 0.0447 | 0.0328 | 0.0364 |
| Mon., 29 Apr.,2024 | 0.0403 | 0.0324 | 0.0360 |
| Sun., 28 Apr.,2024 | 0.0403 | 0.0329 | 0.0360 |
| Sat., 27 Apr.,2024 | 0.0425 | 0.0327 | 0.0362 |
| Fri., 26 Apr.,2024 | 0.0408 | 0.0331 | 0.0359 |
| Thu., 25 Apr.,2024 | 0.0407 | 0.0320 | 0.0357 |
| Wed., 24 Apr.,2024 | 0.0446 | 0.0331 | 0.0380 |
| Tue., 23 Apr.,2024 | 0.0394 | 0.0326 | 0.0357 |
| Mon., 22 Apr.,2024 | 0.0508 | 0.0329 | 0.0384 |
| Sun., 21 Apr.,2024 | 0.0494 | 0.0327 | 0.0381 |
| Sat., 20 Apr.,2024 | 0.0407 | 0.0333 | 0.0364 |
| Fri., 19 Apr.,2024 | 0.0416 | 0.0332 | 0.0365 |
| Thu., 18 Apr.,2024 | 0.0461 | 0.0328 | 0.0371 |
| Wed., 17 Apr.,2024 | 0.0410 | 0.0332 | 0.0359 |
| Tue., 16 Apr.,2024 | 0.0395 | 0.0327 | 0.0357 |
| Mon., 15 Apr.,2024 | 0.0398 | 0.0324 | 0.0358 |
| Sun., 14 Apr.,2024 | 0.0402 | 0.0328 | 0.0357 |
| Sat., 13 Apr.,2024 | 0.0403 | 0.0325 | 0.0357 |
| Fri., 12 Apr.,2024 | 0.0419 | 0.0324 | 0.0358 |
| Thu., 11 Apr.,2024 | 0.0394 | 0.0325 | 0.0355 |
| Wed., 10 Apr.,2024 | 0.0396 | 0.0322 | 0.0354 |
| Tue., 09 Apr.,2024 | 0.0479 | 0.0326 | 0.0376 |
| Mon., 08 Apr.,2024 | 0.0399 | 0.0325 | 0.0358 |
| Sun., 07 Apr.,2024 | 0.0418 | 0.0329 | 0.0360 |
| Sat., 06 Apr.,2024 | 0.0429 | 0.0324 | 0.0359 |
| Fri., 05 Apr.,2024 | 0.0439 | 0.0325 | 0.0364 |
| Thu., 04 Apr.,2024 | 0.0526 | 0.0330 | 0.0372 |
| Wed., 03 Apr.,2024 | 0.0496 | 0.0330 | 0.0392 |
| Tue., 02 Apr.,2024 | 0.0396 | 0.0325 | 0.0358 |
| Mon., 01 Apr.,2024 | 0.0493 | 0.0331 | 0.0370 |
| Sun., 31 Mar.,2024 | 0.0407 | 0.0327 | 0.0361 |
| Sat., 30 Mar.,2024 | 0.0403 | 0.0329 | 0.0362 |
| Fri., 29 Mar.,2024 | 0.0494 | 0.0334 | 0.0390 |
| Thu., 28 Mar.,2024 | 0.0439 | 0.0322 | 0.0364 |
| Wed., 27 Mar.,2024 | 0.0403 | 0.0315 | 0.0354 |
| Tue., 26 Mar.,2024 | 0.0665 | 0.0335 | 0.0459 |
| Mon., 25 Mar.,2024 | 0.0522 | 0.0329 | 0.0405 |
| Sun., 24 Mar.,2024 | 0.0443 | 0.0333 | 0.0367 |
| Sat., 23 Mar.,2024 | 0.0469 | 0.0330 | 0.0365 |
| Fri., 22 Mar.,2024 | 0.0398 | 0.0322 | 0.0354 |
| Thu., 21 Mar.,2024 | 0.0402 | 0.0328 | 0.0357 |
| Wed., 20 Mar.,2024 | 0.0561 | 0.0331 | 0.0378 |
| Tue., 19 Mar.,2024 | 0.0400 | 0.0322 | 0.0356 |
| Mon., 18 Mar.,2024 | 0.0401 | 0.0327 | 0.0357 |
| Sun., 17 Mar.,2024 | 0.0410 | 0.0330 | 0.0362 |
| Sat., 16 Mar.,2024 | 0.0413 | 0.0327 | 0.0360 |
| Fri., 15 Mar.,2024 | 0.0411 | 0.0329 | 0.0360 |
| Thu., 14 Mar.,2024 | 0.0397 | 0.0321 | 0.0354 |
| Wed., 13 Mar.,2024 | 0.0390 | 0.0320 | 0.0355 |
| Tue., 12 Mar.,2024 | 0.0540 | 0.0334 | 0.0395 |
| Mon., 11 Mar.,2024 | 0.0406 | 0.0324 | 0.0354 |
| Sun., 10 Mar.,2024 | 0.0395 | 0.0328 | 0.0355 |
| Sat., 09 Mar.,2024 | 0.0407 | 0.0317 | 0.0358 |
| Fri., 08 Mar.,2024 | 0.0521 | 0.0327 | 0.0392 |
| Thu., 07 Mar.,2024 | 0.0391 | 0.0320 | 0.0354 |
| Wed., 06 Mar.,2024 | 0.0561 | 0.0326 | 0.0418 |
| Tue., 05 Mar.,2024 | 0.0526 | 0.0314 | 0.0393 |
| Mon., 04 Mar.,2024 | 0.0398 | 0.0324 | 0.0359 |
| Sun., 03 Mar.,2024 | 0.0404 | 0.0328 | 0.0359 |
| Sat., 02 Mar.,2024 | 0.0396 | 0.0322 | 0.0359 |
| Fri., 01 Mar.,2024 | 0.0524 | 0.0328 | 0.0384 |
| Thu., 29 Feb.,2024 | 0.0451 | 0.0319 | 0.0363 |
| Wed., 28 Feb.,2024 | 0.0390 | 0.0318 | 0.0352 |
| Tue., 27 Feb.,2024 | 0.0401 | 0.0324 | 0.0353 |
| Mon., 26 Feb.,2024 | 0.0455 | 0.0320 | 0.0360 |
| Sun., 25 Feb.,2024 | 0.0478 | 0.0329 | 0.0389 |
| Sat., 24 Feb.,2024 | 0.0389 | 0.0316 | 0.0352 |
| Fri., 23 Feb.,2024 | 0.0508 | 0.0332 | 0.0406 |
| Thu., 22 Feb.,2024 | 0.0559 | 0.0354 | 0.0437 |
| Wed., 21 Feb.,2024 | 0.0511 | 0.0336 | 0.0400 |
| Tue., 20 Feb.,2024 | 0.0411 | 0.0329 | 0.0359 |
| Mon., 19 Feb.,2024 | 0.0452 | 0.0326 | 0.0369 |
| Sun., 18 Feb.,2024 | 0.0401 | 0.0328 | 0.0358 |
| Sat., 17 Feb.,2024 | 0.0395 | 0.0327 | 0.0357 |
| Fri., 16 Feb.,2024 | 0.0423 | 0.0330 | 0.0360 |
| Thu., 15 Feb.,2024 | 0.0409 | 0.0326 | 0.0360 |
| Wed., 14 Feb.,2024 | 0.0424 | 0.0331 | 0.0363 |
| Tue., 13 Feb.,2024 | 0.0405 | 0.0322 | 0.0359 |
| Mon., 12 Feb.,2024 | 0.0397 | 0.0324 | 0.0357 |
| Sun., 11 Feb.,2024 | 0.0409 | 0.0330 | 0.0359 |
| Sat., 10 Feb.,2024 | 0.0400 | 0.0326 | 0.0358 |
| Fri., 09 Feb.,2024 | 0.0410 | 0.0318 | 0.0354 |
| Thu., 08 Feb.,2024 | 0.0400 | 0.0314 | 0.0354 |
| Wed., 07 Feb.,2024 | 0.0381 | 0.0316 | 0.0345 |
| Tue., 06 Feb.,2024 | 0.0396 | 0.0271 | 0.0334 |
| Mon., 05 Feb.,2024 | 0.0527 | 0.0325 | 0.0407 |
| Sun., 04 Feb.,2024 | 0.0543 | 0.0325 | 0.0395 |
| Sat., 03 Feb.,2024 | 0.0394 | 0.0326 | 0.0354 |
| Fri., 02 Feb.,2024 | 0.0535 | 0.0322 | 0.0362 |
| Thu., 01 Feb.,2024 | 0.0410 | 0.0333 | 0.0363 |
| Wed., 31 Jan.,2024 | 0.0408 | 0.0323 | 0.0362 |
| Tue., 30 Jan.,2024 | 0.0410 | 0.0326 | 0.0360 |
| Mon., 29 Jan.,2024 | 0.0396 | 0.0325 | 0.0356 |
| Sun., 28 Jan.,2024 | 0.0403 | 0.0325 | 0.0356 |
| Sat., 27 Jan.,2024 | 0.0395 | 0.0321 | 0.0355 |
| Fri., 26 Jan.,2024 | 0.0400 | 0.0322 | 0.0356 |
| Thu., 25 Jan.,2024 | 0.0401 | 0.0324 | 0.0357 |
| Wed., 24 Jan.,2024 | 0.0413 | 0.0326 | 0.0359 |
| Tue., 23 Jan.,2024 | 0.0405 | 0.0327 | 0.0361 |
| Mon., 22 Jan.,2024 | 0.0405 | 0.0325 | 0.0355 |
| Sun., 21 Jan.,2024 | 0.0596 | 0.0336 | 0.0446 |
| Sat., 20 Jan.,2024 | 0.0472 | 0.0325 | 0.0376 |
| Fri., 19 Jan.,2024 | 0.0415 | 0.0330 | 0.0363 |
| Thu., 18 Jan.,2024 | 0.0413 | 0.0326 | 0.0363 |
| Wed., 17 Jan.,2024 | 0.0390 | 0.0326 | 0.0355 |
| Tue., 16 Jan.,2024 | 0.0405 | 0.0326 | 0.0353 |
| Mon., 15 Jan.,2024 | 0.0400 | 0.0330 | 0.0361 |
| Sun., 14 Jan.,2024 | 0.0406 | 0.0330 | 0.0360 |
| Sat., 13 Jan.,2024 | 0.0565 | 0.0339 | 0.0382 |
| Fri., 12 Jan.,2024 | 0.0420 | 0.0339 | 0.0367 |
| Thu., 11 Jan.,2024 | 0.0410 | 0.0324 | 0.0359 |
| Wed., 10 Jan.,2024 | 0.0426 | 0.0336 | 0.0369 |
| Tue., 09 Jan.,2024 | 0.0413 | 0.0326 | 0.0363 |
| Mon., 08 Jan.,2024 | 0.0402 | 0.0330 | 0.0361 |
| Sun., 07 Jan.,2024 | 0.0413 | 0.0333 | 0.0365 |
| Sat., 06 Jan.,2024 | 0.0419 | 0.0331 | 0.0368 |
| Fri., 05 Jan.,2024 | 0.0410 | 0.0333 | 0.0362 |
| Thu., 04 Jan.,2024 | 0.0475 | 0.0333 | 0.0368 |
| Wed., 03 Jan.,2024 | 0.0428 | 0.0339 | 0.0371 |
| Tue., 02 Jan.,2024 | 0.0428 | 0.0321 | 0.0363 |
| Mon., 01 Jan.,2024 | 0.0414 | 0.0322 | 0.0358 |
Past data