Measurement results by the hour (Hachioji) 6 Feb., 2023 - 12 Feb., 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., 12 Feb. 0.0363 0.0317 0.0340
22:01-23:00, Sun., 12 Feb. 0.0366 0.0322 0.0340
21:01-22:00, Sun., 12 Feb. 0.0357 0.0313 0.0336
20:01-21:00, Sun., 12 Feb. 0.0357 0.0307 0.0334
19:01-20:00, Sun., 12 Feb. 0.0353 0.0315 0.0332
18:01-19:00, Sun., 12 Feb. 0.0352 0.0308 0.0329
17:01-18:00, Sun., 12 Feb. 0.0353 0.0313 0.0331
16:01-17:00, Sun., 12 Feb. 0.0362 0.0301 0.0328
15:01-16:00, Sun., 12 Feb. 0.0354 0.0306 0.0327
14:01-15:00, Sun., 12 Feb. 0.0357 0.0303 0.0331
13:01-14:00, Sun., 12 Feb. 0.0356 0.0299 0.0332
12:01-13:00, Sun., 12 Feb. 0.0350 0.0301 0.0330
11:01-12:00, Sun., 12 Feb. 0.0355 0.0305 0.0330
10:01-11:00, Sun., 12 Feb. 0.0365 0.0316 0.0335
09:01-10:00, Sun., 12 Feb. 0.0362 0.0316 0.0335
08:01-09:00, Sun., 12 Feb. 0.0375 0.0321 0.0341
07:01-08:00, Sun., 12 Feb. 0.0367 0.0311 0.0339
06:01-07:00, Sun., 12 Feb. 0.0362 0.0325 0.0343
05:01-06:00, Sun., 12 Feb. 0.0370 0.0332 0.0351
04:01-05:00, Sun., 12 Feb. 0.0371 0.0321 0.0343
03:01-04:00, Sun., 12 Feb. 0.0374 0.0313 0.0344
02:01-03:00, Sun., 12 Feb. 0.0357 0.0318 0.0336
01:01-02:00, Sun., 12 Feb. 0.0356 0.0302 0.0334
00:01-01:00, Sun., 12 Feb. 0.0352 0.0304 0.0332
23:01-24:00, Sat., 11 Feb. 0.0350 0.0304 0.0328
22:01-23:00, Sat., 11 Feb. 0.0353 0.0304 0.0328
21:01-22:00, Sat., 11 Feb. 0.0348 0.0301 0.0326
20:01-21:00, Sat., 11 Feb. 0.0346 0.0308 0.0325
19:01-20:00, Sat., 11 Feb. 0.0344 0.0297 0.0326
18:01-19:00, Sat., 11 Feb. 0.0346 0.0299 0.0325
17:01-18:00, Sat., 11 Feb. 0.0348 0.0302 0.0326
16:01-17:00, Sat., 11 Feb. 0.0347 0.0302 0.0327
15:01-16:00, Sat., 11 Feb. 0.0358 0.0294 0.0324
14:01-15:00, Sat., 11 Feb. 0.0342 0.0295 0.0322
13:01-14:00, Sat., 11 Feb. 0.0341 0.0294 0.0319
12:01-13:00, Sat., 11 Feb. 0.0337 0.0301 0.0319
11:01-12:00, Sat., 11 Feb. 0.0333 0.0285 0.0310
10:01-11:00, Sat., 11 Feb. 0.0327 0.0278 0.0307
09:01-10:00, Sat., 11 Feb. 0.0324 0.0279 0.0302
08:01-09:00, Sat., 11 Feb. 0.0322 0.0283 0.0300
07:01-08:00, Sat., 11 Feb. 0.0322 0.0276 0.0300
06:01-07:00, Sat., 11 Feb. 0.0321 0.0282 0.0300
05:01-06:00, Sat., 11 Feb. 0.0331 0.0279 0.0299
04:01-05:00, Sat., 11 Feb. 0.0336 0.0281 0.0305
03:01-04:00, Sat., 11 Feb. 0.0339 0.0284 0.0304
02:01-03:00, Sat., 11 Feb. 0.0332 0.0280 0.0305
01:01-02:00, Sat., 11 Feb. 0.0339 0.0282 0.0308
00:01-01:00, Sat., 11 Feb. 0.0332 0.0283 0.0305
23:01-24:00, Fri., 10 Feb. 0.0330 0.0284 0.0305
22:01-23:00, Fri., 10 Feb. 0.0334 0.0283 0.0310
21:01-22:00, Fri., 10 Feb. 0.0384 0.0311 0.0347
20:01-21:00, Fri., 10 Feb. 0.0430 0.0361 0.0397
19:01-20:00, Fri., 10 Feb. 0.0428 0.0370 0.0400
18:01-19:00, Fri., 10 Feb. 0.0449 0.0395 0.0427
17:01-18:00, Fri., 10 Feb. 0.0482 0.0402 0.0440
16:01-17:00, Fri., 10 Feb. 0.0516 0.0437 0.0475
15:01-16:00, Fri., 10 Feb. 0.0519 0.0448 0.0487
14:01-15:00, Fri., 10 Feb. 0.0487 0.0447 0.0468
13:01-14:00, Fri., 10 Feb. 0.0540 0.0448 0.0492
12:01-13:00, Fri., 10 Feb. 0.0540 0.0464 0.0502
11:01-12:00, Fri., 10 Feb. 0.0508 0.0460 0.0487
10:01-11:00, Fri., 10 Feb. 0.0516 0.0465 0.0489
09:01-10:00, Fri., 10 Feb. 0.0530 0.0458 0.0492
08:01-09:00, Fri., 10 Feb. 0.0485 0.0423 0.0455
07:01-08:00, Fri., 10 Feb. 0.0479 0.0410 0.0444
06:01-07:00, Fri., 10 Feb. 0.0442 0.0339 0.0381
05:01-06:00, Fri., 10 Feb. 0.0387 0.0323 0.0356
04:01-05:00, Fri., 10 Feb. 0.0377 0.0317 0.0352
03:01-04:00, Fri., 10 Feb. 0.0380 0.0329 0.0348
02:01-03:00, Fri., 10 Feb. 0.0372 0.0322 0.0348
01:01-02:00, Fri., 10 Feb. 0.0365 0.0317 0.0343
00:01-01:00, Fri., 10 Feb. 0.0370 0.0320 0.0343
23:01-24:00, Thu., 09 Feb. 0.0361 0.0316 0.0343
22:01-23:00, Thu., 09 Feb. 0.0368 0.0318 0.0345
21:01-22:00, Thu., 09 Feb. 0.0371 0.0316 0.0344
20:01-21:00, Thu., 09 Feb. 0.0374 0.0318 0.0346
19:01-20:00, Thu., 09 Feb. 0.0365 0.0315 0.0341
18:01-19:00, Thu., 09 Feb. 0.0366 0.0317 0.0342
17:01-18:00, Thu., 09 Feb. 0.0367 0.0318 0.0344
16:01-17:00, Thu., 09 Feb. 0.0373 0.0323 0.0340
15:01-16:00, Thu., 09 Feb. 0.0365 0.0315 0.0340
14:01-15:00, Thu., 09 Feb. 0.0360 0.0315 0.0340
13:01-14:00, Thu., 09 Feb. 0.0363 0.0319 0.0342
12:01-13:00, Thu., 09 Feb. 0.0366 0.0318 0.0342
11:01-12:00, Thu., 09 Feb. 0.0362 0.0322 0.0342
10:01-11:00, Thu., 09 Feb. 0.0374 0.0325 0.0343
09:01-10:00, Thu., 09 Feb. 0.0361 0.0320 0.0344
08:01-09:00, Thu., 09 Feb. 0.0363 0.0315 0.0345
07:01-08:00, Thu., 09 Feb. 0.0365 0.0325 0.0346
06:01-07:00, Thu., 09 Feb. 0.0372 0.0323 0.0345
05:01-06:00, Thu., 09 Feb. 0.0368 0.0328 0.0350
04:01-05:00, Thu., 09 Feb. 0.0375 0.0325 0.0349
03:01-04:00, Thu., 09 Feb. 0.0374 0.0326 0.0347
02:01-03:00, Thu., 09 Feb. 0.0372 0.0323 0.0348
01:01-02:00, Thu., 09 Feb. 0.0373 0.0322 0.0350
00:01-01:00, Thu., 09 Feb. 0.0379 0.0332 0.0357
23:01-24:00, Wed., 08 Feb. 0.0375 0.0332 0.0352
22:01-23:00, Wed., 08 Feb. 0.0371 0.0321 0.0347
21:01-22:00, Wed., 08 Feb. 0.0377 0.0318 0.0346
20:01-21:00, Wed., 08 Feb. 0.0369 0.0328 0.0348
19:01-20:00, Wed., 08 Feb. 0.0370 0.0328 0.0348
18:01-19:00, Wed., 08 Feb. 0.0384 0.0334 0.0357
17:01-18:00, Wed., 08 Feb. 0.0388 0.0343 0.0367
16:01-17:00, Wed., 08 Feb. 0.0378 0.0323 0.0352
15:01-16:00, Wed., 08 Feb. 0.0377 0.0331 0.0352
14:01-15:00, Wed., 08 Feb. 0.0370 0.0326 0.0346
13:01-14:00, Wed., 08 Feb. 0.0374 0.0328 0.0348
12:01-13:00, Wed., 08 Feb. 0.0375 0.0319 0.0344
11:01-12:00, Wed., 08 Feb. 0.0370 0.0329 0.0349
10:01-11:00, Wed., 08 Feb. 0.0373 0.0324 0.0349
09:01-10:00, Wed., 08 Feb. 0.0373 0.0330 0.0348
08:01-09:00, Wed., 08 Feb. 0.0378 0.0333 0.0354
07:01-08:00, Wed., 08 Feb. 0.0375 0.0333 0.0359
06:01-07:00, Wed., 08 Feb. 0.0381 0.0335 0.0357
05:01-06:00, Wed., 08 Feb. 0.0381 0.0332 0.0354
04:01-05:00, Wed., 08 Feb. 0.0376 0.0333 0.0352
03:01-04:00, Wed., 08 Feb. 0.0377 0.0329 0.0351
02:01-03:00, Wed., 08 Feb. 0.0367 0.0321 0.0345
01:01-02:00, Wed., 08 Feb. 0.0372 0.0325 0.0350
00:01-01:00, Wed., 08 Feb. 0.0374 0.0328 0.0346
23:01-24:00, Tue., 07 Feb. 0.0368 0.0320 0.0346
22:01-23:00, Tue., 07 Feb. 0.0367 0.0314 0.0345
21:01-22:00, Tue., 07 Feb. 0.0368 0.0321 0.0342
20:01-21:00, Tue., 07 Feb. 0.0358 0.0318 0.0338
19:01-20:00, Tue., 07 Feb. 0.0370 0.0315 0.0341
18:01-19:00, Tue., 07 Feb. 0.0363 0.0323 0.0340
17:01-18:00, Tue., 07 Feb. 0.0355 0.0318 0.0340
16:01-17:00, Tue., 07 Feb. 0.0356 0.0312 0.0338
15:01-16:00, Tue., 07 Feb. 0.0367 0.0323 0.0340
14:01-15:00, Tue., 07 Feb. 0.0366 0.0319 0.0342
13:01-14:00, Tue., 07 Feb. 0.0365 0.0322 0.0340
12:01-13:00, Tue., 07 Feb. 0.0363 0.0324 0.0344
11:01-12:00, Tue., 07 Feb. 0.0372 0.0322 0.0345
10:01-11:00, Tue., 07 Feb. 0.0387 0.0332 0.0355
09:01-10:00, Tue., 07 Feb. 0.0384 0.0329 0.0359
08:01-09:00, Tue., 07 Feb. 0.0383 0.0336 0.0357
07:01-08:00, Tue., 07 Feb. 0.0390 0.0336 0.0365
06:01-07:00, Tue., 07 Feb. 0.0411 0.0343 0.0367
05:01-06:00, Tue., 07 Feb. 0.0383 0.0336 0.0364
04:01-05:00, Tue., 07 Feb. 0.0377 0.0335 0.0357
03:01-04:00, Tue., 07 Feb. 0.0376 0.0332 0.0355
02:01-03:00, Tue., 07 Feb. 0.0377 0.0336 0.0355
01:01-02:00, Tue., 07 Feb. 0.0382 0.0336 0.0358
00:01-01:00, Tue., 07 Feb. 0.0388 0.0333 0.0361
23:01-24:00, Mon., 06 Feb. 0.0371 0.0330 0.0353
22:01-23:00, Mon., 06 Feb. 0.0374 0.0328 0.0349
21:01-22:00, Mon., 06 Feb. 0.0372 0.0317 0.0346
20:01-21:00, Mon., 06 Feb. 0.0363 0.0323 0.0346
19:01-20:00, Mon., 06 Feb. 0.0363 0.0316 0.0343
18:01-19:00, Mon., 06 Feb. 0.0361 0.0314 0.0343
17:01-18:00, Mon., 06 Feb. 0.0370 0.0322 0.0342
16:01-17:00, Mon., 06 Feb. 0.0367 0.0319 0.0347
15:01-16:00, Mon., 06 Feb. 0.0362 0.0319 0.0341
14:01-15:00, Mon., 06 Feb. 0.0371 0.0321 0.0346
13:01-14:00, Mon., 06 Feb. 0.0372 0.0322 0.0345
12:01-13:00, Mon., 06 Feb. 0.0376 0.0320 0.0348
11:01-12:00, Mon., 06 Feb. 0.0376 0.0324 0.0348
10:01-11:00, Mon., 06 Feb. 0.0383 0.0335 0.0357
09:01-10:00, Mon., 06 Feb. 0.0388 0.0338 0.0360
08:01-09:00, Mon., 06 Feb. 0.0391 0.0334 0.0357
07:01-08:00, Mon., 06 Feb. 0.0379 0.0326 0.0357
06:01-07:00, Mon., 06 Feb. 0.0383 0.0340 0.0357
05:01-06:00, Mon., 06 Feb. 0.0386 0.0332 0.0355
04:01-05:00, Mon., 06 Feb. 0.0377 0.0337 0.0356
03:01-04:00, Mon., 06 Feb. 0.0380 0.0329 0.0356
02:01-03:00, Mon., 06 Feb. 0.0383 0.0330 0.0358
01:01-02:00, Mon., 06 Feb. 0.0381 0.0336 0.0360
00:01-01:00, Mon., 06 Feb. 0.0383 0.0335 0.0357