Measurement results by the hour (Hachioji) 13 Mar., 2023 - 19 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., 19 Mar. 0.0355 0.0307 0.0336
22:01-23:00, Sun., 19 Mar. 0.0357 0.0313 0.0333
21:01-22:00, Sun., 19 Mar. 0.0355 0.0309 0.0331
20:01-21:00, Sun., 19 Mar. 0.0354 0.0309 0.0333
19:01-20:00, Sun., 19 Mar. 0.0346 0.0309 0.0329
18:01-19:00, Sun., 19 Mar. 0.0360 0.0302 0.0331
17:01-18:00, Sun., 19 Mar. 0.0356 0.0309 0.0331
16:01-17:00, Sun., 19 Mar. 0.0350 0.0306 0.0330
15:01-16:00, Sun., 19 Mar. 0.0370 0.0302 0.0332
14:01-15:00, Sun., 19 Mar. 0.0356 0.0304 0.0332
13:01-14:00, Sun., 19 Mar. 0.0361 0.0312 0.0333
12:01-13:00, Sun., 19 Mar. 0.0356 0.0311 0.0332
11:01-12:00, Sun., 19 Mar. 0.0360 0.0316 0.0335
10:01-11:00, Sun., 19 Mar. 0.0357 0.0301 0.0334
09:01-10:00, Sun., 19 Mar. 0.0360 0.0295 0.0337
08:01-09:00, Sun., 19 Mar. 0.0356 0.0311 0.0336
07:01-08:00, Sun., 19 Mar. 0.0361 0.0309 0.0337
06:01-07:00, Sun., 19 Mar. 0.0354 0.0313 0.0333
05:01-06:00, Sun., 19 Mar. 0.0361 0.0314 0.0334
04:01-05:00, Sun., 19 Mar. 0.0352 0.0308 0.0334
03:01-04:00, Sun., 19 Mar. 0.0363 0.0315 0.0335
02:01-03:00, Sun., 19 Mar. 0.0357 0.0318 0.0338
01:01-02:00, Sun., 19 Mar. 0.0363 0.0314 0.0338
00:01-01:00, Sun., 19 Mar. 0.0365 0.0315 0.0338
23:01-24:00, Sat., 18 Mar. 0.0354 0.0314 0.0334
22:01-23:00, Sat., 18 Mar. 0.0360 0.0317 0.0338
21:01-22:00, Sat., 18 Mar. 0.0363 0.0313 0.0339
20:01-21:00, Sat., 18 Mar. 0.0358 0.0312 0.0339
19:01-20:00, Sat., 18 Mar. 0.0366 0.0315 0.0342
18:01-19:00, Sat., 18 Mar. 0.0392 0.0335 0.0364
17:01-18:00, Sat., 18 Mar. 0.0410 0.0353 0.0379
16:01-17:00, Sat., 18 Mar. 0.0513 0.0388 0.0447
15:01-16:00, Sat., 18 Mar. 0.0555 0.0487 0.0524
14:01-15:00, Sat., 18 Mar. 0.0540 0.0467 0.0507
13:01-14:00, Sat., 18 Mar. 0.0516 0.0451 0.0480
12:01-13:00, Sat., 18 Mar. 0.0512 0.0369 0.0440
11:01-12:00, Sat., 18 Mar. 0.0414 0.0339 0.0370
10:01-11:00, Sat., 18 Mar. 0.0412 0.0359 0.0385
09:01-10:00, Sat., 18 Mar. 0.0452 0.0393 0.0419
08:01-09:00, Sat., 18 Mar. 0.0463 0.0405 0.0436
07:01-08:00, Sat., 18 Mar. 0.0486 0.0429 0.0459
06:01-07:00, Sat., 18 Mar. 0.0518 0.0448 0.0490
05:01-06:00, Sat., 18 Mar. 0.0490 0.0427 0.0448
04:01-05:00, Sat., 18 Mar. 0.0473 0.0412 0.0441
03:01-04:00, Sat., 18 Mar. 0.0464 0.0402 0.0429
02:01-03:00, Sat., 18 Mar. 0.0451 0.0404 0.0423
01:01-02:00, Sat., 18 Mar. 0.0459 0.0400 0.0425
00:01-01:00, Sat., 18 Mar. 0.0453 0.0395 0.0418
23:01-24:00, Fri., 17 Mar. 0.0453 0.0398 0.0427
22:01-23:00, Fri., 17 Mar. 0.0439 0.0379 0.0410
21:01-22:00, Fri., 17 Mar. 0.0419 0.0339 0.0381
20:01-21:00, Fri., 17 Mar. 0.0363 0.0319 0.0341
19:01-20:00, Fri., 17 Mar. 0.0370 0.0322 0.0342
18:01-19:00, Fri., 17 Mar. 0.0362 0.0322 0.0343
17:01-18:00, Fri., 17 Mar. 0.0370 0.0316 0.0338
16:01-17:00, Fri., 17 Mar. 0.0361 0.0319 0.0338
15:01-16:00, Fri., 17 Mar. 0.0357 0.0318 0.0339
14:01-15:00, Fri., 17 Mar. 0.0358 0.0314 0.0338
13:01-14:00, Fri., 17 Mar. 0.0359 0.0303 0.0338
12:01-13:00, Fri., 17 Mar. 0.0364 0.0316 0.0337
11:01-12:00, Fri., 17 Mar. 0.0366 0.0312 0.0344
10:01-11:00, Fri., 17 Mar. 0.0364 0.0319 0.0342
09:01-10:00, Fri., 17 Mar. 0.0365 0.0318 0.0346
08:01-09:00, Fri., 17 Mar. 0.0388 0.0329 0.0349
07:01-08:00, Fri., 17 Mar. 0.0389 0.0331 0.0354
06:01-07:00, Fri., 17 Mar. 0.0389 0.0331 0.0350
05:01-06:00, Fri., 17 Mar. 0.0377 0.0329 0.0348
04:01-05:00, Fri., 17 Mar. 0.0370 0.0332 0.0353
03:01-04:00, Fri., 17 Mar. 0.0387 0.0325 0.0349
02:01-03:00, Fri., 17 Mar. 0.0370 0.0316 0.0343
01:01-02:00, Fri., 17 Mar. 0.0363 0.0324 0.0345
00:01-01:00, Fri., 17 Mar. 0.0360 0.0308 0.0341
23:01-24:00, Thu., 16 Mar. 0.0366 0.0320 0.0341
22:01-23:00, Thu., 16 Mar. 0.0361 0.0314 0.0338
21:01-22:00, Thu., 16 Mar. 0.0356 0.0313 0.0335
20:01-21:00, Thu., 16 Mar. 0.0356 0.0310 0.0337
19:01-20:00, Thu., 16 Mar. 0.0364 0.0300 0.0329
18:01-19:00, Thu., 16 Mar. 0.0353 0.0308 0.0331
17:01-18:00, Thu., 16 Mar. 0.0360 0.0301 0.0333
16:01-17:00, Thu., 16 Mar. 0.0365 0.0319 0.0339
15:01-16:00, Thu., 16 Mar. 0.0362 0.0315 0.0338
14:01-15:00, Thu., 16 Mar. 0.0368 0.0308 0.0340
13:01-14:00, Thu., 16 Mar. 0.0365 0.0311 0.0339
12:01-13:00, Thu., 16 Mar. 0.0365 0.0314 0.0337
11:01-12:00, Thu., 16 Mar. 0.0363 0.0318 0.0336
10:01-11:00, Thu., 16 Mar. 0.0356 0.0318 0.0337
09:01-10:00, Thu., 16 Mar. 0.0367 0.0322 0.0340
08:01-09:00, Thu., 16 Mar. 0.0367 0.0322 0.0347
07:01-08:00, Thu., 16 Mar. 0.0379 0.0319 0.0352
06:01-07:00, Thu., 16 Mar. 0.0378 0.0328 0.0353
05:01-06:00, Thu., 16 Mar. 0.0370 0.0329 0.0350
04:01-05:00, Thu., 16 Mar. 0.0370 0.0329 0.0350
03:01-04:00, Thu., 16 Mar. 0.0384 0.0326 0.0351
02:01-03:00, Thu., 16 Mar. 0.0374 0.0325 0.0348
01:01-02:00, Thu., 16 Mar. 0.0375 0.0331 0.0347
00:01-01:00, Thu., 16 Mar. 0.0366 0.0328 0.0348
23:01-24:00, Wed., 15 Mar. 0.0362 0.0322 0.0344
22:01-23:00, Wed., 15 Mar. 0.0370 0.0313 0.0341
21:01-22:00, Wed., 15 Mar. 0.0357 0.0312 0.0334
20:01-21:00, Wed., 15 Mar. 0.0352 0.0306 0.0335
19:01-20:00, Wed., 15 Mar. 0.0356 0.0305 0.0333
18:01-19:00, Wed., 15 Mar. 0.0356 0.0309 0.0332
17:01-18:00, Wed., 15 Mar. 0.0359 0.0303 0.0335
16:01-17:00, Wed., 15 Mar. 0.0357 0.0307 0.0332
15:01-16:00, Wed., 15 Mar. 0.0363 0.0315 0.0335
14:01-15:00, Wed., 15 Mar. 0.0354 0.0313 0.0333
13:01-14:00, Wed., 15 Mar. 0.0353 0.0318 0.0334
12:01-13:00, Wed., 15 Mar. 0.0362 0.0311 0.0334
11:01-12:00, Wed., 15 Mar. 0.0366 0.0317 0.0336
10:01-11:00, Wed., 15 Mar. 0.0372 0.0304 0.0336
09:01-10:00, Wed., 15 Mar. 0.0360 0.0308 0.0337
08:01-09:00, Wed., 15 Mar. 0.0360 0.0318 0.0341
07:01-08:00, Wed., 15 Mar. 0.0375 0.0327 0.0352
06:01-07:00, Wed., 15 Mar. 0.0377 0.0338 0.0355
05:01-06:00, Wed., 15 Mar. 0.0378 0.0329 0.0352
04:01-05:00, Wed., 15 Mar. 0.0381 0.0333 0.0351
03:01-04:00, Wed., 15 Mar. 0.0371 0.0323 0.0347
02:01-03:00, Wed., 15 Mar. 0.0366 0.0315 0.0340
01:01-02:00, Wed., 15 Mar. 0.0367 0.0322 0.0340
00:01-01:00, Wed., 15 Mar. 0.0363 0.0310 0.0337
23:01-24:00, Tue., 14 Mar. 0.0360 0.0311 0.0336
22:01-23:00, Tue., 14 Mar. 0.0362 0.0308 0.0334
21:01-22:00, Tue., 14 Mar. 0.0367 0.0318 0.0338
20:01-21:00, Tue., 14 Mar. 0.0352 0.0314 0.0333
19:01-20:00, Tue., 14 Mar. 0.0358 0.0308 0.0335
18:01-19:00, Tue., 14 Mar. 0.0362 0.0310 0.0337
17:01-18:00, Tue., 14 Mar. 0.0364 0.0317 0.0338
16:01-17:00, Tue., 14 Mar. 0.0365 0.0318 0.0338
15:01-16:00, Tue., 14 Mar. 0.0367 0.0307 0.0340
14:01-15:00, Tue., 14 Mar. 0.0367 0.0315 0.0340
13:01-14:00, Tue., 14 Mar. 0.0373 0.0315 0.0340
12:01-13:00, Tue., 14 Mar. 0.0364 0.0318 0.0340
11:01-12:00, Tue., 14 Mar. 0.0362 0.0319 0.0341
10:01-11:00, Tue., 14 Mar. 0.0363 0.0316 0.0342
09:01-10:00, Tue., 14 Mar. 0.0374 0.0319 0.0342
08:01-09:00, Tue., 14 Mar. 0.0370 0.0322 0.0344
07:01-08:00, Tue., 14 Mar. 0.0357 0.0317 0.0340
06:01-07:00, Tue., 14 Mar. 0.0361 0.0316 0.0341
05:01-06:00, Tue., 14 Mar. 0.0359 0.0329 0.0341
04:01-05:00, Tue., 14 Mar. 0.0370 0.0319 0.0341
03:01-04:00, Tue., 14 Mar. 0.0363 0.0322 0.0344
02:01-03:00, Tue., 14 Mar. 0.0372 0.0318 0.0344
01:01-02:00, Tue., 14 Mar. 0.0366 0.0318 0.0340
00:01-01:00, Tue., 14 Mar. 0.0358 0.0316 0.0342
23:01-24:00, Mon., 13 Mar. 0.0366 0.0321 0.0342
22:01-23:00, Mon., 13 Mar. 0.0368 0.0325 0.0342
21:01-22:00, Mon., 13 Mar. 0.0358 0.0316 0.0338
20:01-21:00, Mon., 13 Mar. 0.0356 0.0316 0.0336
19:01-20:00, Mon., 13 Mar. 0.0366 0.0315 0.0338
18:01-19:00, Mon., 13 Mar. 0.0349 0.0307 0.0333
17:01-18:00, Mon., 13 Mar. 0.0362 0.0310 0.0333
16:01-17:00, Mon., 13 Mar. 0.0356 0.0308 0.0332
15:01-16:00, Mon., 13 Mar. 0.0353 0.0314 0.0335
14:01-15:00, Mon., 13 Mar. 0.0369 0.0319 0.0341
13:01-14:00, Mon., 13 Mar. 0.0405 0.0337 0.0368
12:01-13:00, Mon., 13 Mar. 0.0415 0.0366 0.0390
11:01-12:00, Mon., 13 Mar. 0.0439 0.0379 0.0407
10:01-11:00, Mon., 13 Mar. 0.0472 0.0383 0.0428
09:01-10:00, Mon., 13 Mar. 0.0471 0.0355 0.0418
08:01-09:00, Mon., 13 Mar. 0.0385 0.0330 0.0358
07:01-08:00, Mon., 13 Mar. 0.0372 0.0316 0.0346
06:01-07:00, Mon., 13 Mar. 0.0361 0.0313 0.0341
05:01-06:00, Mon., 13 Mar. 0.0367 0.0314 0.0342
04:01-05:00, Mon., 13 Mar. 0.0377 0.0318 0.0342
03:01-04:00, Mon., 13 Mar. 0.0370 0.0317 0.0341
02:01-03:00, Mon., 13 Mar. 0.0360 0.0322 0.0342
01:01-02:00, Mon., 13 Mar. 0.0361 0.0315 0.0341
00:01-01:00, Mon., 13 Mar. 0.0367 0.0311 0.0338