Measurement results by the hour (Hachioji) 24 Mar., 2025 - 30 Mar., 2025

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., 30 Mar. 0.0356 0.0315 0.0336
22:01-23:00, Sun., 30 Mar. 0.0363 0.0315 0.0336
21:01-22:00, Sun., 30 Mar. 0.0363 0.0307 0.0335
20:01-21:00, Sun., 30 Mar. 0.0356 0.0316 0.0334
19:01-20:00, Sun., 30 Mar. 0.0363 0.0317 0.0334
18:01-19:00, Sun., 30 Mar. 0.0363 0.0304 0.0334
17:01-18:00, Sun., 30 Mar. 0.0357 0.0316 0.0334
16:01-17:00, Sun., 30 Mar. 0.0356 0.0311 0.0331
15:01-16:00, Sun., 30 Mar. 0.0361 0.0309 0.0331
14:01-15:00, Sun., 30 Mar. 0.0356 0.0308 0.0332
13:01-14:00, Sun., 30 Mar. 0.0353 0.0308 0.0328
12:01-13:00, Sun., 30 Mar. 0.0354 0.0301 0.0332
11:01-12:00, Sun., 30 Mar. 0.0349 0.0309 0.0330
10:01-11:00, Sun., 30 Mar. 0.0360 0.0315 0.0333
09:01-10:00, Sun., 30 Mar. 0.0353 0.0318 0.0335
08:01-09:00, Sun., 30 Mar. 0.0353 0.0306 0.0334
07:01-08:00, Sun., 30 Mar. 0.0370 0.0318 0.0336
06:01-07:00, Sun., 30 Mar. 0.0361 0.0321 0.0338
05:01-06:00, Sun., 30 Mar. 0.0359 0.0317 0.0338
04:01-05:00, Sun., 30 Mar. 0.0354 0.0317 0.0336
03:01-04:00, Sun., 30 Mar. 0.0356 0.0311 0.0336
02:01-03:00, Sun., 30 Mar. 0.0353 0.0307 0.0333
01:01-02:00, Sun., 30 Mar. 0.0355 0.0314 0.0335
00:01-01:00, Sun., 30 Mar. 0.0360 0.0316 0.0337
23:01-24:00, Sat., 29 Mar. 0.0365 0.0311 0.0331
22:01-23:00, Sat., 29 Mar. 0.0354 0.0304 0.0338
21:01-22:00, Sat., 29 Mar. 0.0367 0.0325 0.0344
20:01-21:00, Sat., 29 Mar. 0.0382 0.0330 0.0357
19:01-20:00, Sat., 29 Mar. 0.0386 0.0328 0.0355
18:01-19:00, Sat., 29 Mar. 0.0433 0.0347 0.0389
17:01-18:00, Sat., 29 Mar. 0.0457 0.0396 0.0428
16:01-17:00, Sat., 29 Mar. 0.0476 0.0395 0.0441
15:01-16:00, Sat., 29 Mar. 0.0493 0.0417 0.0455
14:01-15:00, Sat., 29 Mar. 0.0482 0.0419 0.0450
13:01-14:00, Sat., 29 Mar. 0.0530 0.0442 0.0493
12:01-13:00, Sat., 29 Mar. 0.0550 0.0498 0.0523
11:01-12:00, Sat., 29 Mar. 0.0565 0.0496 0.0534
10:01-11:00, Sat., 29 Mar. 0.0597 0.0527 0.0563
09:01-10:00, Sat., 29 Mar. 0.0563 0.0482 0.0523
08:01-09:00, Sat., 29 Mar. 0.0589 0.0495 0.0549
07:01-08:00, Sat., 29 Mar. 0.0585 0.0464 0.0522
06:01-07:00, Sat., 29 Mar. 0.0475 0.0376 0.0425
05:01-06:00, Sat., 29 Mar. 0.0392 0.0316 0.0351
04:01-05:00, Sat., 29 Mar. 0.0370 0.0311 0.0343
03:01-04:00, Sat., 29 Mar. 0.0364 0.0311 0.0340
02:01-03:00, Sat., 29 Mar. 0.0368 0.0319 0.0340
01:01-02:00, Sat., 29 Mar. 0.0368 0.0320 0.0343
00:01-01:00, Sat., 29 Mar. 0.0364 0.0318 0.0341
23:01-24:00, Fri., 28 Mar. 0.0367 0.0316 0.0343
22:01-23:00, Fri., 28 Mar. 0.0371 0.0325 0.0347
21:01-22:00, Fri., 28 Mar. 0.0380 0.0332 0.0351
20:01-21:00, Fri., 28 Mar. 0.0374 0.0330 0.0348
19:01-20:00, Fri., 28 Mar. 0.0370 0.0327 0.0351
18:01-19:00, Fri., 28 Mar. 0.0367 0.0321 0.0350
17:01-18:00, Fri., 28 Mar. 0.0384 0.0319 0.0345
16:01-17:00, Fri., 28 Mar. 0.0372 0.0322 0.0344
15:01-16:00, Fri., 28 Mar. 0.0366 0.0320 0.0345
14:01-15:00, Fri., 28 Mar. 0.0381 0.0319 0.0345
13:01-14:00, Fri., 28 Mar. 0.0366 0.0324 0.0342
12:01-13:00, Fri., 28 Mar. 0.0370 0.0327 0.0344
11:01-12:00, Fri., 28 Mar. 0.0371 0.0323 0.0350
10:01-11:00, Fri., 28 Mar. 0.0375 0.0322 0.0349
09:01-10:00, Fri., 28 Mar. 0.0391 0.0325 0.0361
08:01-09:00, Fri., 28 Mar. 0.0455 0.0360 0.0410
07:01-08:00, Fri., 28 Mar. 0.0464 0.0352 0.0415
06:01-07:00, Fri., 28 Mar. 0.0381 0.0325 0.0347
05:01-06:00, Fri., 28 Mar. 0.0363 0.0330 0.0347
04:01-05:00, Fri., 28 Mar. 0.0384 0.0324 0.0348
03:01-04:00, Fri., 28 Mar. 0.0364 0.0315 0.0342
02:01-03:00, Fri., 28 Mar. 0.0362 0.0318 0.0339
01:01-02:00, Fri., 28 Mar. 0.0370 0.0307 0.0339
00:01-01:00, Fri., 28 Mar. 0.0356 0.0305 0.0337
23:01-24:00, Thu., 27 Mar. 0.0363 0.0316 0.0340
22:01-23:00, Thu., 27 Mar. 0.0364 0.0316 0.0340
21:01-22:00, Thu., 27 Mar. 0.0363 0.0321 0.0342
20:01-21:00, Thu., 27 Mar. 0.0377 0.0319 0.0340
19:01-20:00, Thu., 27 Mar. 0.0365 0.0318 0.0340
18:01-19:00, Thu., 27 Mar. 0.0369 0.0318 0.0346
17:01-18:00, Thu., 27 Mar. 0.0367 0.0318 0.0346
16:01-17:00, Thu., 27 Mar. 0.0372 0.0322 0.0349
15:01-16:00, Thu., 27 Mar. 0.0379 0.0323 0.0350
14:01-15:00, Thu., 27 Mar. 0.0377 0.0327 0.0349
13:01-14:00, Thu., 27 Mar. 0.0368 0.0323 0.0348
12:01-13:00, Thu., 27 Mar. 0.0367 0.0326 0.0348
11:01-12:00, Thu., 27 Mar. 0.0374 0.0330 0.0351
10:01-11:00, Thu., 27 Mar. 0.0371 0.0315 0.0344
09:01-10:00, Thu., 27 Mar. 0.0379 0.0317 0.0344
08:01-09:00, Thu., 27 Mar. 0.0367 0.0325 0.0346
07:01-08:00, Thu., 27 Mar. 0.0380 0.0322 0.0349
06:01-07:00, Thu., 27 Mar. 0.0379 0.0329 0.0352
05:01-06:00, Thu., 27 Mar. 0.0373 0.0323 0.0348
04:01-05:00, Thu., 27 Mar. 0.0370 0.0322 0.0345
03:01-04:00, Thu., 27 Mar. 0.0366 0.0316 0.0339
02:01-03:00, Thu., 27 Mar. 0.0369 0.0316 0.0341
01:01-02:00, Thu., 27 Mar. 0.0362 0.0311 0.0341
00:01-01:00, Thu., 27 Mar. 0.0363 0.0318 0.0339
23:01-24:00, Wed., 26 Mar. 0.0369 0.0322 0.0343
22:01-23:00, Wed., 26 Mar. 0.0363 0.0318 0.0344
21:01-22:00, Wed., 26 Mar. 0.0359 0.0317 0.0340
20:01-21:00, Wed., 26 Mar. 0.0367 0.0317 0.0342
19:01-20:00, Wed., 26 Mar. 0.0372 0.0328 0.0349
18:01-19:00, Wed., 26 Mar. 0.0370 0.0331 0.0347
17:01-18:00, Wed., 26 Mar. 0.0374 0.0326 0.0347
16:01-17:00, Wed., 26 Mar. 0.0367 0.0325 0.0349
15:01-16:00, Wed., 26 Mar. 0.0372 0.0331 0.0352
14:01-15:00, Wed., 26 Mar. 0.0372 0.0314 0.0348
13:01-14:00, Wed., 26 Mar. 0.0367 0.0321 0.0348
12:01-13:00, Wed., 26 Mar. 0.0378 0.0331 0.0349
11:01-12:00, Wed., 26 Mar. 0.0369 0.0333 0.0349
10:01-11:00, Wed., 26 Mar. 0.0374 0.0322 0.0349
09:01-10:00, Wed., 26 Mar. 0.0370 0.0325 0.0347
08:01-09:00, Wed., 26 Mar. 0.0369 0.0318 0.0346
07:01-08:00, Wed., 26 Mar. 0.0375 0.0321 0.0344
06:01-07:00, Wed., 26 Mar. 0.0364 0.0317 0.0342
05:01-06:00, Wed., 26 Mar. 0.0367 0.0319 0.0338
04:01-05:00, Wed., 26 Mar. 0.0365 0.0320 0.0342
03:01-04:00, Wed., 26 Mar. 0.0367 0.0315 0.0339
02:01-03:00, Wed., 26 Mar. 0.0366 0.0311 0.0340
01:01-02:00, Wed., 26 Mar. 0.0355 0.0312 0.0336
00:01-01:00, Wed., 26 Mar. 0.0364 0.0320 0.0338
23:01-24:00, Tue., 25 Mar. 0.0360 0.0316 0.0338
22:01-23:00, Tue., 25 Mar. 0.0364 0.0322 0.0341
21:01-22:00, Tue., 25 Mar. 0.0364 0.0320 0.0344
20:01-21:00, Tue., 25 Mar. 0.0367 0.0322 0.0345
19:01-20:00, Tue., 25 Mar. 0.0369 0.0318 0.0346
18:01-19:00, Tue., 25 Mar. 0.0369 0.0312 0.0345
17:01-18:00, Tue., 25 Mar. 0.0366 0.0331 0.0348
16:01-17:00, Tue., 25 Mar. 0.0375 0.0325 0.0349
15:01-16:00, Tue., 25 Mar. 0.0364 0.0329 0.0345
14:01-15:00, Tue., 25 Mar. 0.0372 0.0315 0.0344
13:01-14:00, Tue., 25 Mar. 0.0368 0.0322 0.0346
12:01-13:00, Tue., 25 Mar. 0.0377 0.0325 0.0346
11:01-12:00, Tue., 25 Mar. 0.0373 0.0330 0.0347
10:01-11:00, Tue., 25 Mar. 0.0373 0.0322 0.0345
09:01-10:00, Tue., 25 Mar. 0.0357 0.0311 0.0339
08:01-09:00, Tue., 25 Mar. 0.0356 0.0320 0.0338
07:01-08:00, Tue., 25 Mar. 0.0367 0.0315 0.0340
06:01-07:00, Tue., 25 Mar. 0.0369 0.0315 0.0342
05:01-06:00, Tue., 25 Mar. 0.0367 0.0322 0.0338
04:01-05:00, Tue., 25 Mar. 0.0366 0.0315 0.0337
03:01-04:00, Tue., 25 Mar. 0.0363 0.0315 0.0341
02:01-03:00, Tue., 25 Mar. 0.0363 0.0313 0.0344
01:01-02:00, Tue., 25 Mar. 0.0375 0.0322 0.0342
00:01-01:00, Tue., 25 Mar. 0.0367 0.0318 0.0344
23:01-24:00, Mon., 24 Mar. 0.0372 0.0313 0.0337
22:01-23:00, Mon., 24 Mar. 0.0355 0.0322 0.0337
21:01-22:00, Mon., 24 Mar. 0.0363 0.0313 0.0337
20:01-21:00, Mon., 24 Mar. 0.0360 0.0305 0.0333
19:01-20:00, Mon., 24 Mar. 0.0352 0.0305 0.0331
18:01-19:00, Mon., 24 Mar. 0.0365 0.0313 0.0336
17:01-18:00, Mon., 24 Mar. 0.0360 0.0321 0.0338
16:01-17:00, Mon., 24 Mar. 0.0359 0.0309 0.0338
15:01-16:00, Mon., 24 Mar. 0.0360 0.0310 0.0337
14:01-15:00, Mon., 24 Mar. 0.0380 0.0315 0.0339
13:01-14:00, Mon., 24 Mar. 0.0360 0.0318 0.0338
12:01-13:00, Mon., 24 Mar. 0.0370 0.0306 0.0335
11:01-12:00, Mon., 24 Mar. 0.0364 0.0318 0.0341
10:01-11:00, Mon., 24 Mar. 0.0360 0.0297 0.0336
09:01-10:00, Mon., 24 Mar. 0.0385 0.0314 0.0342
08:01-09:00, Mon., 24 Mar. 0.0361 0.0319 0.0343
07:01-08:00, Mon., 24 Mar. 0.0368 0.0321 0.0344
06:01-07:00, Mon., 24 Mar. 0.0370 0.0318 0.0342
05:01-06:00, Mon., 24 Mar. 0.0381 0.0316 0.0345
04:01-05:00, Mon., 24 Mar. 0.0370 0.0311 0.0342
03:01-04:00, Mon., 24 Mar. 0.0360 0.0325 0.0344
02:01-03:00, Mon., 24 Mar. 0.0360 0.0322 0.0342
01:01-02:00, Mon., 24 Mar. 0.0357 0.0307 0.0336
00:01-01:00, Mon., 24 Mar. 0.0365 0.0310 0.0333