Measurement results by the hour (Hachioji) 20 Mar., 2023 - 26 Mar., 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., 26 Mar. 0.0357 0.0312 0.0333
22:01-23:00, Sun., 26 Mar. 0.0360 0.0312 0.0335
21:01-22:00, Sun., 26 Mar. 0.0366 0.0321 0.0347
20:01-21:00, Sun., 26 Mar. 0.0356 0.0304 0.0330
19:01-20:00, Sun., 26 Mar. 0.0363 0.0308 0.0330
18:01-19:00, Sun., 26 Mar. 0.0374 0.0307 0.0337
17:01-18:00, Sun., 26 Mar. 0.0383 0.0331 0.0359
16:01-17:00, Sun., 26 Mar. 0.0437 0.0365 0.0407
15:01-16:00, Sun., 26 Mar. 0.0499 0.0398 0.0441
14:01-15:00, Sun., 26 Mar. 0.0514 0.0463 0.0491
13:01-14:00, Sun., 26 Mar. 0.0523 0.0457 0.0491
12:01-13:00, Sun., 26 Mar. 0.0517 0.0471 0.0494
11:01-12:00, Sun., 26 Mar. 0.0518 0.0457 0.0492
10:01-11:00, Sun., 26 Mar. 0.0479 0.0418 0.0451
09:01-10:00, Sun., 26 Mar. 0.0464 0.0403 0.0434
08:01-09:00, Sun., 26 Mar. 0.0461 0.0406 0.0429
07:01-08:00, Sun., 26 Mar. 0.0430 0.0372 0.0402
06:01-07:00, Sun., 26 Mar. 0.0417 0.0359 0.0385
05:01-06:00, Sun., 26 Mar. 0.0399 0.0346 0.0370
04:01-05:00, Sun., 26 Mar. 0.0395 0.0348 0.0371
03:01-04:00, Sun., 26 Mar. 0.0416 0.0349 0.0389
02:01-03:00, Sun., 26 Mar. 0.0418 0.0370 0.0394
01:01-02:00, Sun., 26 Mar. 0.0414 0.0371 0.0396
00:01-01:00, Sun., 26 Mar. 0.0427 0.0385 0.0408
23:01-24:00, Sat., 25 Mar. 0.0410 0.0363 0.0383
22:01-23:00, Sat., 25 Mar. 0.0398 0.0339 0.0363
21:01-22:00, Sat., 25 Mar. 0.0367 0.0318 0.0346
20:01-21:00, Sat., 25 Mar. 0.0360 0.0310 0.0336
19:01-20:00, Sat., 25 Mar. 0.0360 0.0311 0.0334
18:01-19:00, Sat., 25 Mar. 0.0372 0.0328 0.0348
17:01-18:00, Sat., 25 Mar. 0.0373 0.0324 0.0344
16:01-17:00, Sat., 25 Mar. 0.0370 0.0311 0.0342
15:01-16:00, Sat., 25 Mar. 0.0413 0.0329 0.0366
14:01-15:00, Sat., 25 Mar. 0.0453 0.0378 0.0411
13:01-14:00, Sat., 25 Mar. 0.0459 0.0391 0.0425
12:01-13:00, Sat., 25 Mar. 0.0538 0.0452 0.0494
11:01-12:00, Sat., 25 Mar. 0.0537 0.0470 0.0506
10:01-11:00, Sat., 25 Mar. 0.0537 0.0475 0.0501
09:01-10:00, Sat., 25 Mar. 0.0530 0.0477 0.0505
08:01-09:00, Sat., 25 Mar. 0.0517 0.0459 0.0483
07:01-08:00, Sat., 25 Mar. 0.0508 0.0450 0.0482
06:01-07:00, Sat., 25 Mar. 0.0530 0.0451 0.0487
05:01-06:00, Sat., 25 Mar. 0.0541 0.0481 0.0510
04:01-05:00, Sat., 25 Mar. 0.0524 0.0443 0.0475
03:01-04:00, Sat., 25 Mar. 0.0506 0.0449 0.0482
02:01-03:00, Sat., 25 Mar. 0.0506 0.0444 0.0475
01:01-02:00, Sat., 25 Mar. 0.0522 0.0454 0.0492
00:01-01:00, Sat., 25 Mar. 0.0517 0.0468 0.0493
23:01-24:00, Fri., 24 Mar. 0.0526 0.0457 0.0485
22:01-23:00, Fri., 24 Mar. 0.0527 0.0468 0.0498
21:01-22:00, Fri., 24 Mar. 0.0514 0.0438 0.0472
20:01-21:00, Fri., 24 Mar. 0.0494 0.0376 0.0446
19:01-20:00, Fri., 24 Mar. 0.0402 0.0338 0.0366
18:01-19:00, Fri., 24 Mar. 0.0439 0.0348 0.0384
17:01-18:00, Fri., 24 Mar. 0.0507 0.0391 0.0467
16:01-17:00, Fri., 24 Mar. 0.0601 0.0484 0.0544
15:01-16:00, Fri., 24 Mar. 0.0562 0.0393 0.0476
14:01-15:00, Fri., 24 Mar. 0.0400 0.0316 0.0346
13:01-14:00, Fri., 24 Mar. 0.0361 0.0309 0.0341
12:01-13:00, Fri., 24 Mar. 0.0367 0.0313 0.0342
11:01-12:00, Fri., 24 Mar. 0.0365 0.0325 0.0343
10:01-11:00, Fri., 24 Mar. 0.0374 0.0322 0.0347
09:01-10:00, Fri., 24 Mar. 0.0363 0.0320 0.0343
08:01-09:00, Fri., 24 Mar. 0.0362 0.0322 0.0343
07:01-08:00, Fri., 24 Mar. 0.0366 0.0325 0.0346
06:01-07:00, Fri., 24 Mar. 0.0374 0.0325 0.0345
05:01-06:00, Fri., 24 Mar. 0.0381 0.0330 0.0351
04:01-05:00, Fri., 24 Mar. 0.0372 0.0320 0.0343
03:01-04:00, Fri., 24 Mar. 0.0360 0.0312 0.0341
02:01-03:00, Fri., 24 Mar. 0.0359 0.0311 0.0336
01:01-02:00, Fri., 24 Mar. 0.0361 0.0319 0.0340
00:01-01:00, Fri., 24 Mar. 0.0377 0.0318 0.0343
23:01-24:00, Thu., 23 Mar. 0.0376 0.0318 0.0347
22:01-23:00, Thu., 23 Mar. 0.0384 0.0326 0.0354
21:01-22:00, Thu., 23 Mar. 0.0380 0.0330 0.0357
20:01-21:00, Thu., 23 Mar. 0.0420 0.0337 0.0380
19:01-20:00, Thu., 23 Mar. 0.0438 0.0388 0.0420
18:01-19:00, Thu., 23 Mar. 0.0460 0.0402 0.0430
17:01-18:00, Thu., 23 Mar. 0.0447 0.0380 0.0410
16:01-17:00, Thu., 23 Mar. 0.0408 0.0326 0.0351
15:01-16:00, Thu., 23 Mar. 0.0373 0.0325 0.0346
14:01-15:00, Thu., 23 Mar. 0.0404 0.0357 0.0375
13:01-14:00, Thu., 23 Mar. 0.0416 0.0370 0.0394
12:01-13:00, Thu., 23 Mar. 0.0430 0.0363 0.0407
11:01-12:00, Thu., 23 Mar. 0.0443 0.0390 0.0420
10:01-11:00, Thu., 23 Mar. 0.0435 0.0384 0.0412
09:01-10:00, Thu., 23 Mar. 0.0422 0.0368 0.0393
08:01-09:00, Thu., 23 Mar. 0.0415 0.0333 0.0365
07:01-08:00, Thu., 23 Mar. 0.0369 0.0314 0.0344
06:01-07:00, Thu., 23 Mar. 0.0367 0.0322 0.0342
05:01-06:00, Thu., 23 Mar. 0.0357 0.0320 0.0339
04:01-05:00, Thu., 23 Mar. 0.0360 0.0314 0.0338
03:01-04:00, Thu., 23 Mar. 0.0367 0.0310 0.0339
02:01-03:00, Thu., 23 Mar. 0.0360 0.0325 0.0341
01:01-02:00, Thu., 23 Mar. 0.0357 0.0308 0.0335
00:01-01:00, Thu., 23 Mar. 0.0354 0.0300 0.0331
23:01-24:00, Wed., 22 Mar. 0.0353 0.0309 0.0331
22:01-23:00, Wed., 22 Mar. 0.0348 0.0306 0.0329
21:01-22:00, Wed., 22 Mar. 0.0355 0.0301 0.0331
20:01-21:00, Wed., 22 Mar. 0.0349 0.0308 0.0328
19:01-20:00, Wed., 22 Mar. 0.0363 0.0312 0.0333
18:01-19:00, Wed., 22 Mar. 0.0359 0.0305 0.0336
17:01-18:00, Wed., 22 Mar. 0.0356 0.0305 0.0336
16:01-17:00, Wed., 22 Mar. 0.0357 0.0319 0.0339
15:01-16:00, Wed., 22 Mar. 0.0357 0.0308 0.0340
14:01-15:00, Wed., 22 Mar. 0.0355 0.0309 0.0336
13:01-14:00, Wed., 22 Mar. 0.0361 0.0312 0.0338
12:01-13:00, Wed., 22 Mar. 0.0369 0.0320 0.0340
11:01-12:00, Wed., 22 Mar. 0.0357 0.0319 0.0337
10:01-11:00, Wed., 22 Mar. 0.0367 0.0315 0.0340
09:01-10:00, Wed., 22 Mar. 0.0357 0.0316 0.0338
08:01-09:00, Wed., 22 Mar. 0.0369 0.0322 0.0347
07:01-08:00, Wed., 22 Mar. 0.0377 0.0320 0.0348
06:01-07:00, Wed., 22 Mar. 0.0363 0.0319 0.0341
05:01-06:00, Wed., 22 Mar. 0.0367 0.0319 0.0341
04:01-05:00, Wed., 22 Mar. 0.0372 0.0315 0.0343
03:01-04:00, Wed., 22 Mar. 0.0370 0.0308 0.0341
02:01-03:00, Wed., 22 Mar. 0.0363 0.0316 0.0340
01:01-02:00, Wed., 22 Mar. 0.0368 0.0319 0.0341
00:01-01:00, Wed., 22 Mar. 0.0365 0.0315 0.0338
23:01-24:00, Tue., 21 Mar. 0.0366 0.0312 0.0337
22:01-23:00, Tue., 21 Mar. 0.0367 0.0315 0.0338
21:01-22:00, Tue., 21 Mar. 0.0361 0.0302 0.0331
20:01-21:00, Tue., 21 Mar. 0.0353 0.0294 0.0331
19:01-20:00, Tue., 21 Mar. 0.0356 0.0301 0.0330
18:01-19:00, Tue., 21 Mar. 0.0349 0.0296 0.0326
17:01-18:00, Tue., 21 Mar. 0.0355 0.0304 0.0328
16:01-17:00, Tue., 21 Mar. 0.0356 0.0308 0.0332
15:01-16:00, Tue., 21 Mar. 0.0356 0.0304 0.0329
14:01-15:00, Tue., 21 Mar. 0.0361 0.0311 0.0331
13:01-14:00, Tue., 21 Mar. 0.0349 0.0309 0.0331
12:01-13:00, Tue., 21 Mar. 0.0360 0.0316 0.0335
11:01-12:00, Tue., 21 Mar. 0.0368 0.0318 0.0338
10:01-11:00, Tue., 21 Mar. 0.0360 0.0314 0.0339
09:01-10:00, Tue., 21 Mar. 0.0372 0.0320 0.0341
08:01-09:00, Tue., 21 Mar. 0.0373 0.0325 0.0343
07:01-08:00, Tue., 21 Mar. 0.0362 0.0317 0.0343
06:01-07:00, Tue., 21 Mar. 0.0363 0.0321 0.0342
05:01-06:00, Tue., 21 Mar. 0.0378 0.0315 0.0341
04:01-05:00, Tue., 21 Mar. 0.0367 0.0317 0.0342
03:01-04:00, Tue., 21 Mar. 0.0359 0.0315 0.0337
02:01-03:00, Tue., 21 Mar. 0.0368 0.0311 0.0335
01:01-02:00, Tue., 21 Mar. 0.0359 0.0309 0.0335
00:01-01:00, Tue., 21 Mar. 0.0353 0.0311 0.0334
23:01-24:00, Mon., 20 Mar. 0.0352 0.0309 0.0329
22:01-23:00, Mon., 20 Mar. 0.0360 0.0304 0.0331
21:01-22:00, Mon., 20 Mar. 0.0356 0.0309 0.0334
20:01-21:00, Mon., 20 Mar. 0.0354 0.0308 0.0332
19:01-20:00, Mon., 20 Mar. 0.0352 0.0303 0.0328
18:01-19:00, Mon., 20 Mar. 0.0349 0.0308 0.0330
17:01-18:00, Mon., 20 Mar. 0.0359 0.0299 0.0327
16:01-17:00, Mon., 20 Mar. 0.0365 0.0311 0.0332
15:01-16:00, Mon., 20 Mar. 0.0351 0.0305 0.0331
14:01-15:00, Mon., 20 Mar. 0.0354 0.0312 0.0332
13:01-14:00, Mon., 20 Mar. 0.0354 0.0309 0.0334
12:01-13:00, Mon., 20 Mar. 0.0349 0.0310 0.0331
11:01-12:00, Mon., 20 Mar. 0.0353 0.0306 0.0332
10:01-11:00, Mon., 20 Mar. 0.0356 0.0315 0.0336
09:01-10:00, Mon., 20 Mar. 0.0374 0.0320 0.0346
08:01-09:00, Mon., 20 Mar. 0.0371 0.0314 0.0342
07:01-08:00, Mon., 20 Mar. 0.0363 0.0318 0.0344
06:01-07:00, Mon., 20 Mar. 0.0368 0.0322 0.0348
05:01-06:00, Mon., 20 Mar. 0.0374 0.0324 0.0348
04:01-05:00, Mon., 20 Mar. 0.0367 0.0323 0.0345
03:01-04:00, Mon., 20 Mar. 0.0366 0.0318 0.0345
02:01-03:00, Mon., 20 Mar. 0.0365 0.0324 0.0342
01:01-02:00, Mon., 20 Mar. 0.0371 0.0329 0.0349
00:01-01:00, Mon., 20 Mar. 0.0363 0.0322 0.0342