Measurement results by the hour (Hachioji) 9 Jan., 2023 - 15 Jan., 2023

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., 15 Jan. 0.0461 0.0392 0.0431
22:01-23:00, Sun., 15 Jan. 0.0502 0.0395 0.0448
21:01-22:00, Sun., 15 Jan. 0.0503 0.0400 0.0448
20:01-21:00, Sun., 15 Jan. 0.0457 0.0388 0.0421
19:01-20:00, Sun., 15 Jan. 0.0516 0.0424 0.0465
18:01-19:00, Sun., 15 Jan. 0.0603 0.0478 0.0547
17:01-18:00, Sun., 15 Jan. 0.0583 0.0436 0.0502
16:01-17:00, Sun., 15 Jan. 0.0481 0.0402 0.0434
15:01-16:00, Sun., 15 Jan. 0.0468 0.0386 0.0428
14:01-15:00, Sun., 15 Jan. 0.0527 0.0433 0.0479
13:01-14:00, Sun., 15 Jan. 0.0536 0.0436 0.0487
12:01-13:00, Sun., 15 Jan. 0.0491 0.0436 0.0464
11:01-12:00, Sun., 15 Jan. 0.0456 0.0367 0.0407
10:01-11:00, Sun., 15 Jan. 0.0391 0.0336 0.0360
09:01-10:00, Sun., 15 Jan. 0.0383 0.0322 0.0354
08:01-09:00, Sun., 15 Jan. 0.0381 0.0329 0.0354
07:01-08:00, Sun., 15 Jan. 0.0374 0.0330 0.0355
06:01-07:00, Sun., 15 Jan. 0.0388 0.0332 0.0355
05:01-06:00, Sun., 15 Jan. 0.0379 0.0333 0.0355
04:01-05:00, Sun., 15 Jan. 0.0383 0.0335 0.0359
03:01-04:00, Sun., 15 Jan. 0.0381 0.0335 0.0360
02:01-03:00, Sun., 15 Jan. 0.0383 0.0344 0.0362
01:01-02:00, Sun., 15 Jan. 0.0381 0.0342 0.0363
00:01-01:00, Sun., 15 Jan. 0.0387 0.0339 0.0363
23:01-24:00, Sat., 14 Jan. 0.0392 0.0341 0.0362
22:01-23:00, Sat., 14 Jan. 0.0396 0.0347 0.0366
21:01-22:00, Sat., 14 Jan. 0.0391 0.0339 0.0363
20:01-21:00, Sat., 14 Jan. 0.0383 0.0340 0.0363
19:01-20:00, Sat., 14 Jan. 0.0381 0.0331 0.0357
18:01-19:00, Sat., 14 Jan. 0.0376 0.0335 0.0356
17:01-18:00, Sat., 14 Jan. 0.0371 0.0325 0.0352
16:01-17:00, Sat., 14 Jan. 0.0377 0.0329 0.0353
15:01-16:00, Sat., 14 Jan. 0.0381 0.0330 0.0358
14:01-15:00, Sat., 14 Jan. 0.0405 0.0354 0.0376
13:01-14:00, Sat., 14 Jan. 0.0426 0.0372 0.0401
12:01-13:00, Sat., 14 Jan. 0.0428 0.0360 0.0394
11:01-12:00, Sat., 14 Jan. 0.0395 0.0356 0.0379
10:01-11:00, Sat., 14 Jan. 0.0388 0.0343 0.0363
09:01-10:00, Sat., 14 Jan. 0.0374 0.0335 0.0355
08:01-09:00, Sat., 14 Jan. 0.0374 0.0328 0.0351
07:01-08:00, Sat., 14 Jan. 0.0369 0.0318 0.0341
06:01-07:00, Sat., 14 Jan. 0.0365 0.0304 0.0334
05:01-06:00, Sat., 14 Jan. 0.0352 0.0300 0.0334
04:01-05:00, Sat., 14 Jan. 0.0359 0.0307 0.0336
03:01-04:00, Sat., 14 Jan. 0.0363 0.0321 0.0341
02:01-03:00, Sat., 14 Jan. 0.0384 0.0327 0.0355
01:01-02:00, Sat., 14 Jan. 0.0381 0.0322 0.0349
00:01-01:00, Sat., 14 Jan. 0.0373 0.0323 0.0345
23:01-24:00, Fri., 13 Jan. 0.0374 0.0320 0.0349
22:01-23:00, Fri., 13 Jan. 0.0377 0.0332 0.0352
21:01-22:00, Fri., 13 Jan. 0.0401 0.0343 0.0367
20:01-21:00, Fri., 13 Jan. 0.0415 0.0363 0.0391
19:01-20:00, Fri., 13 Jan. 0.0400 0.0323 0.0353
18:01-19:00, Fri., 13 Jan. 0.0374 0.0322 0.0345
17:01-18:00, Fri., 13 Jan. 0.0368 0.0304 0.0343
16:01-17:00, Fri., 13 Jan. 0.0368 0.0317 0.0343
15:01-16:00, Fri., 13 Jan. 0.0365 0.0323 0.0342
14:01-15:00, Fri., 13 Jan. 0.0368 0.0318 0.0343
13:01-14:00, Fri., 13 Jan. 0.0374 0.0314 0.0346
12:01-13:00, Fri., 13 Jan. 0.0368 0.0324 0.0349
11:01-12:00, Fri., 13 Jan. 0.0373 0.0327 0.0351
10:01-11:00, Fri., 13 Jan. 0.0372 0.0334 0.0351
09:01-10:00, Fri., 13 Jan. 0.0380 0.0326 0.0356
08:01-09:00, Fri., 13 Jan. 0.0389 0.0325 0.0362
07:01-08:00, Fri., 13 Jan. 0.0388 0.0341 0.0359
06:01-07:00, Fri., 13 Jan. 0.0379 0.0319 0.0351
05:01-06:00, Fri., 13 Jan. 0.0381 0.0334 0.0351
04:01-05:00, Fri., 13 Jan. 0.0374 0.0321 0.0353
03:01-04:00, Fri., 13 Jan. 0.0373 0.0329 0.0352
02:01-03:00, Fri., 13 Jan. 0.0385 0.0318 0.0356
01:01-02:00, Fri., 13 Jan. 0.0384 0.0337 0.0355
00:01-01:00, Fri., 13 Jan. 0.0381 0.0333 0.0358
23:01-24:00, Thu., 12 Jan. 0.0374 0.0338 0.0355
22:01-23:00, Thu., 12 Jan. 0.0377 0.0325 0.0350
21:01-22:00, Thu., 12 Jan. 0.0380 0.0327 0.0350
20:01-21:00, Thu., 12 Jan. 0.0370 0.0329 0.0348
19:01-20:00, Thu., 12 Jan. 0.0374 0.0330 0.0349
18:01-19:00, Thu., 12 Jan. 0.0371 0.0329 0.0348
17:01-18:00, Thu., 12 Jan. 0.0376 0.0318 0.0348
16:01-17:00, Thu., 12 Jan. 0.0383 0.0322 0.0346
15:01-16:00, Thu., 12 Jan. 0.0365 0.0323 0.0344
14:01-15:00, Thu., 12 Jan. 0.0370 0.0324 0.0347
13:01-14:00, Thu., 12 Jan. 0.0378 0.0329 0.0352
12:01-13:00, Thu., 12 Jan. 0.0382 0.0332 0.0357
11:01-12:00, Thu., 12 Jan. 0.0380 0.0339 0.0360
10:01-11:00, Thu., 12 Jan. 0.0399 0.0332 0.0363
09:01-10:00, Thu., 12 Jan. 0.0398 0.0343 0.0371
08:01-09:00, Thu., 12 Jan. 0.0408 0.0350 0.0375
07:01-08:00, Thu., 12 Jan. 0.0386 0.0335 0.0359
06:01-07:00, Thu., 12 Jan. 0.0375 0.0331 0.0354
05:01-06:00, Thu., 12 Jan. 0.0376 0.0329 0.0354
04:01-05:00, Thu., 12 Jan. 0.0383 0.0331 0.0359
03:01-04:00, Thu., 12 Jan. 0.0375 0.0325 0.0353
02:01-03:00, Thu., 12 Jan. 0.0369 0.0335 0.0351
01:01-02:00, Thu., 12 Jan. 0.0374 0.0329 0.0352
00:01-01:00, Thu., 12 Jan. 0.0375 0.0324 0.0348
23:01-24:00, Wed., 11 Jan. 0.0364 0.0329 0.0347
22:01-23:00, Wed., 11 Jan. 0.0367 0.0323 0.0344
21:01-22:00, Wed., 11 Jan. 0.0377 0.0325 0.0344
20:01-21:00, Wed., 11 Jan. 0.0374 0.0315 0.0340
19:01-20:00, Wed., 11 Jan. 0.0362 0.0319 0.0341
18:01-19:00, Wed., 11 Jan. 0.0367 0.0317 0.0340
17:01-18:00, Wed., 11 Jan. 0.0368 0.0313 0.0339
16:01-17:00, Wed., 11 Jan. 0.0360 0.0313 0.0338
15:01-16:00, Wed., 11 Jan. 0.0364 0.0310 0.0343
14:01-15:00, Wed., 11 Jan. 0.0371 0.0318 0.0338
13:01-14:00, Wed., 11 Jan. 0.0366 0.0316 0.0339
12:01-13:00, Wed., 11 Jan. 0.0358 0.0314 0.0338
11:01-12:00, Wed., 11 Jan. 0.0363 0.0322 0.0344
10:01-11:00, Wed., 11 Jan. 0.0375 0.0321 0.0347
09:01-10:00, Wed., 11 Jan. 0.0374 0.0326 0.0357
08:01-09:00, Wed., 11 Jan. 0.0373 0.0325 0.0352
07:01-08:00, Wed., 11 Jan. 0.0372 0.0317 0.0349
06:01-07:00, Wed., 11 Jan. 0.0375 0.0323 0.0353
05:01-06:00, Wed., 11 Jan. 0.0374 0.0332 0.0352
04:01-05:00, Wed., 11 Jan. 0.0381 0.0330 0.0354
03:01-04:00, Wed., 11 Jan. 0.0376 0.0323 0.0353
02:01-03:00, Wed., 11 Jan. 0.0378 0.0325 0.0349
01:01-02:00, Wed., 11 Jan. 0.0370 0.0328 0.0350
00:01-01:00, Wed., 11 Jan. 0.0370 0.0332 0.0353
23:01-24:00, Tue., 10 Jan. 0.0385 0.0327 0.0350
22:01-23:00, Tue., 10 Jan. 0.0379 0.0324 0.0347
21:01-22:00, Tue., 10 Jan. 0.0376 0.0319 0.0346
20:01-21:00, Tue., 10 Jan. 0.0379 0.0322 0.0346
19:01-20:00, Tue., 10 Jan. 0.0372 0.0329 0.0347
18:01-19:00, Tue., 10 Jan. 0.0374 0.0332 0.0351
17:01-18:00, Tue., 10 Jan. 0.0376 0.0332 0.0354
16:01-17:00, Tue., 10 Jan. 0.0382 0.0333 0.0351
15:01-16:00, Tue., 10 Jan. 0.0374 0.0328 0.0351
14:01-15:00, Tue., 10 Jan. 0.0376 0.0325 0.0350
13:01-14:00, Tue., 10 Jan. 0.0375 0.0329 0.0351
12:01-13:00, Tue., 10 Jan. 0.0374 0.0329 0.0349
11:01-12:00, Tue., 10 Jan. 0.0378 0.0322 0.0352
10:01-11:00, Tue., 10 Jan. 0.0382 0.0319 0.0353
09:01-10:00, Tue., 10 Jan. 0.0381 0.0332 0.0355
08:01-09:00, Tue., 10 Jan. 0.0383 0.0335 0.0359
07:01-08:00, Tue., 10 Jan. 0.0381 0.0337 0.0360
06:01-07:00, Tue., 10 Jan. 0.0388 0.0340 0.0364
05:01-06:00, Tue., 10 Jan. 0.0391 0.0347 0.0370
04:01-05:00, Tue., 10 Jan. 0.0405 0.0339 0.0368
03:01-04:00, Tue., 10 Jan. 0.0384 0.0344 0.0365
02:01-03:00, Tue., 10 Jan. 0.0391 0.0335 0.0359
01:01-02:00, Tue., 10 Jan. 0.0384 0.0332 0.0357
00:01-01:00, Tue., 10 Jan. 0.0389 0.0329 0.0357
23:01-24:00, Mon., 09 Jan. 0.0382 0.0336 0.0356
22:01-23:00, Mon., 09 Jan. 0.0374 0.0330 0.0353
21:01-22:00, Mon., 09 Jan. 0.0370 0.0333 0.0350
20:01-21:00, Mon., 09 Jan. 0.0374 0.0321 0.0348
19:01-20:00, Mon., 09 Jan. 0.0361 0.0325 0.0345
18:01-19:00, Mon., 09 Jan. 0.0366 0.0318 0.0345
17:01-18:00, Mon., 09 Jan. 0.0356 0.0309 0.0340
16:01-17:00, Mon., 09 Jan. 0.0360 0.0321 0.0343
15:01-16:00, Mon., 09 Jan. 0.0369 0.0326 0.0342
14:01-15:00, Mon., 09 Jan. 0.0357 0.0321 0.0341
13:01-14:00, Mon., 09 Jan. 0.0370 0.0326 0.0346
12:01-13:00, Mon., 09 Jan. 0.0363 0.0323 0.0344
11:01-12:00, Mon., 09 Jan. 0.0372 0.0321 0.0346
10:01-11:00, Mon., 09 Jan. 0.0378 0.0322 0.0348
09:01-10:00, Mon., 09 Jan. 0.0383 0.0324 0.0353
08:01-09:00, Mon., 09 Jan. 0.0380 0.0332 0.0355
07:01-08:00, Mon., 09 Jan. 0.0383 0.0331 0.0360
06:01-07:00, Mon., 09 Jan. 0.0390 0.0330 0.0353
05:01-06:00, Mon., 09 Jan. 0.0382 0.0329 0.0356
04:01-05:00, Mon., 09 Jan. 0.0380 0.0332 0.0355
03:01-04:00, Mon., 09 Jan. 0.0385 0.0334 0.0354
02:01-03:00, Mon., 09 Jan. 0.0382 0.0337 0.0360
01:01-02:00, Mon., 09 Jan. 0.0387 0.0339 0.0362
00:01-01:00, Mon., 09 Jan. 0.0388 0.0330 0.0360