Measurement results by the hour (Hachioji) 21 Apr., 2025 - 27 Apr., 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., 27 Apr. 0.0370 0.0322 0.0345
22:01-23:00, Sun., 27 Apr. 0.0380 0.0323 0.0352
21:01-22:00, Sun., 27 Apr. 0.0368 0.0321 0.0347
20:01-21:00, Sun., 27 Apr. 0.0377 0.0322 0.0344
19:01-20:00, Sun., 27 Apr. 0.0364 0.0315 0.0343
18:01-19:00, Sun., 27 Apr. 0.0367 0.0323 0.0343
17:01-18:00, Sun., 27 Apr. 0.0363 0.0326 0.0343
16:01-17:00, Sun., 27 Apr. 0.0370 0.0322 0.0344
15:01-16:00, Sun., 27 Apr. 0.0363 0.0325 0.0342
14:01-15:00, Sun., 27 Apr. 0.0363 0.0315 0.0339
13:01-14:00, Sun., 27 Apr. 0.0363 0.0311 0.0340
12:01-13:00, Sun., 27 Apr. 0.0363 0.0312 0.0339
11:01-12:00, Sun., 27 Apr. 0.0363 0.0316 0.0338
10:01-11:00, Sun., 27 Apr. 0.0366 0.0307 0.0336
09:01-10:00, Sun., 27 Apr. 0.0351 0.0294 0.0332
08:01-09:00, Sun., 27 Apr. 0.0352 0.0299 0.0333
07:01-08:00, Sun., 27 Apr. 0.0356 0.0306 0.0332
06:01-07:00, Sun., 27 Apr. 0.0360 0.0310 0.0336
05:01-06:00, Sun., 27 Apr. 0.0358 0.0301 0.0332
04:01-05:00, Sun., 27 Apr. 0.0356 0.0309 0.0336
03:01-04:00, Sun., 27 Apr. 0.0370 0.0318 0.0338
02:01-03:00, Sun., 27 Apr. 0.0361 0.0310 0.0337
01:01-02:00, Sun., 27 Apr. 0.0370 0.0309 0.0336
00:01-01:00, Sun., 27 Apr. 0.0356 0.0315 0.0337
23:01-24:00, Sat., 26 Apr. 0.0360 0.0313 0.0335
22:01-23:00, Sat., 26 Apr. 0.0359 0.0295 0.0333
21:01-22:00, Sat., 26 Apr. 0.0353 0.0315 0.0332
20:01-21:00, Sat., 26 Apr. 0.0354 0.0305 0.0330
19:01-20:00, Sat., 26 Apr. 0.0355 0.0308 0.0332
18:01-19:00, Sat., 26 Apr. 0.0375 0.0305 0.0341
17:01-18:00, Sat., 26 Apr. 0.0420 0.0337 0.0375
16:01-17:00, Sat., 26 Apr. 0.0409 0.0370 0.0387
15:01-16:00, Sat., 26 Apr. 0.0383 0.0321 0.0344
14:01-15:00, Sat., 26 Apr. 0.0360 0.0315 0.0340
13:01-14:00, Sat., 26 Apr. 0.0363 0.0320 0.0339
12:01-13:00, Sat., 26 Apr. 0.0359 0.0300 0.0335
11:01-12:00, Sat., 26 Apr. 0.0358 0.0317 0.0334
10:01-11:00, Sat., 26 Apr. 0.0351 0.0314 0.0332
09:01-10:00, Sat., 26 Apr. 0.0363 0.0307 0.0336
08:01-09:00, Sat., 26 Apr. 0.0353 0.0308 0.0334
07:01-08:00, Sat., 26 Apr. 0.0360 0.0308 0.0333
06:01-07:00, Sat., 26 Apr. 0.0362 0.0317 0.0333
05:01-06:00, Sat., 26 Apr. 0.0352 0.0301 0.0331
04:01-05:00, Sat., 26 Apr. 0.0367 0.0318 0.0336
03:01-04:00, Sat., 26 Apr. 0.0370 0.0310 0.0335
02:01-03:00, Sat., 26 Apr. 0.0359 0.0312 0.0335
01:01-02:00, Sat., 26 Apr. 0.0354 0.0308 0.0335
00:01-01:00, Sat., 26 Apr. 0.0353 0.0317 0.0334
23:01-24:00, Fri., 25 Apr. 0.0359 0.0319 0.0339
22:01-23:00, Fri., 25 Apr. 0.0367 0.0312 0.0340
21:01-22:00, Fri., 25 Apr. 0.0367 0.0319 0.0338
20:01-21:00, Fri., 25 Apr. 0.0372 0.0317 0.0340
19:01-20:00, Fri., 25 Apr. 0.0363 0.0325 0.0341
18:01-19:00, Fri., 25 Apr. 0.0357 0.0310 0.0338
17:01-18:00, Fri., 25 Apr. 0.0363 0.0321 0.0339
16:01-17:00, Fri., 25 Apr. 0.0360 0.0306 0.0340
15:01-16:00, Fri., 25 Apr. 0.0367 0.0321 0.0342
14:01-15:00, Fri., 25 Apr. 0.0359 0.0311 0.0338
13:01-14:00, Fri., 25 Apr. 0.0367 0.0323 0.0340
12:01-13:00, Fri., 25 Apr. 0.0363 0.0321 0.0341
11:01-12:00, Fri., 25 Apr. 0.0363 0.0322 0.0342
10:01-11:00, Fri., 25 Apr. 0.0364 0.0313 0.0339
09:01-10:00, Fri., 25 Apr. 0.0358 0.0318 0.0338
08:01-09:00, Fri., 25 Apr. 0.0353 0.0307 0.0333
07:01-08:00, Fri., 25 Apr. 0.0356 0.0306 0.0334
06:01-07:00, Fri., 25 Apr. 0.0360 0.0304 0.0337
05:01-06:00, Fri., 25 Apr. 0.0359 0.0318 0.0338
04:01-05:00, Fri., 25 Apr. 0.0374 0.0309 0.0336
03:01-04:00, Fri., 25 Apr. 0.0364 0.0311 0.0335
02:01-03:00, Fri., 25 Apr. 0.0366 0.0314 0.0335
01:01-02:00, Fri., 25 Apr. 0.0350 0.0308 0.0333
00:01-01:00, Fri., 25 Apr. 0.0370 0.0315 0.0337
23:01-24:00, Thu., 24 Apr. 0.0357 0.0303 0.0333
22:01-23:00, Thu., 24 Apr. 0.0350 0.0312 0.0335
21:01-22:00, Thu., 24 Apr. 0.0373 0.0309 0.0337
20:01-21:00, Thu., 24 Apr. 0.0356 0.0310 0.0332
19:01-20:00, Thu., 24 Apr. 0.0350 0.0312 0.0334
18:01-19:00, Thu., 24 Apr. 0.0367 0.0319 0.0338
17:01-18:00, Thu., 24 Apr. 0.0367 0.0316 0.0338
16:01-17:00, Thu., 24 Apr. 0.0356 0.0314 0.0338
15:01-16:00, Thu., 24 Apr. 0.0356 0.0321 0.0337
14:01-15:00, Thu., 24 Apr. 0.0359 0.0322 0.0339
13:01-14:00, Thu., 24 Apr. 0.0358 0.0312 0.0338
12:01-13:00, Thu., 24 Apr. 0.0362 0.0313 0.0334
11:01-12:00, Thu., 24 Apr. 0.0361 0.0312 0.0339
10:01-11:00, Thu., 24 Apr. 0.0370 0.0315 0.0341
09:01-10:00, Thu., 24 Apr. 0.0363 0.0304 0.0339
08:01-09:00, Thu., 24 Apr. 0.0367 0.0317 0.0342
07:01-08:00, Thu., 24 Apr. 0.0374 0.0323 0.0347
06:01-07:00, Thu., 24 Apr. 0.0372 0.0315 0.0345
05:01-06:00, Thu., 24 Apr. 0.0377 0.0326 0.0350
04:01-05:00, Thu., 24 Apr. 0.0373 0.0324 0.0348
03:01-04:00, Thu., 24 Apr. 0.0373 0.0327 0.0347
02:01-03:00, Thu., 24 Apr. 0.0368 0.0325 0.0344
01:01-02:00, Thu., 24 Apr. 0.0364 0.0310 0.0341
00:01-01:00, Thu., 24 Apr. 0.0367 0.0308 0.0339
23:01-24:00, Wed., 23 Apr. 0.0368 0.0317 0.0343
22:01-23:00, Wed., 23 Apr. 0.0353 0.0315 0.0334
21:01-22:00, Wed., 23 Apr. 0.0356 0.0297 0.0330
20:01-21:00, Wed., 23 Apr. 0.0351 0.0308 0.0330
19:01-20:00, Wed., 23 Apr. 0.0354 0.0306 0.0328
18:01-19:00, Wed., 23 Apr. 0.0352 0.0303 0.0331
17:01-18:00, Wed., 23 Apr. 0.0350 0.0313 0.0333
16:01-17:00, Wed., 23 Apr. 0.0367 0.0318 0.0339
15:01-16:00, Wed., 23 Apr. 0.0384 0.0333 0.0357
14:01-15:00, Wed., 23 Apr. 0.0390 0.0325 0.0366
13:01-14:00, Wed., 23 Apr. 0.0372 0.0331 0.0352
12:01-13:00, Wed., 23 Apr. 0.0386 0.0329 0.0358
11:01-12:00, Wed., 23 Apr. 0.0385 0.0341 0.0359
10:01-11:00, Wed., 23 Apr. 0.0387 0.0326 0.0351
09:01-10:00, Wed., 23 Apr. 0.0392 0.0330 0.0359
08:01-09:00, Wed., 23 Apr. 0.0391 0.0339 0.0363
07:01-08:00, Wed., 23 Apr. 0.0385 0.0332 0.0355
06:01-07:00, Wed., 23 Apr. 0.0364 0.0316 0.0340
05:01-06:00, Wed., 23 Apr. 0.0377 0.0307 0.0344
04:01-05:00, Wed., 23 Apr. 0.0374 0.0330 0.0350
03:01-04:00, Wed., 23 Apr. 0.0384 0.0333 0.0359
02:01-03:00, Wed., 23 Apr. 0.0399 0.0346 0.0368
01:01-02:00, Wed., 23 Apr. 0.0384 0.0316 0.0350
00:01-01:00, Wed., 23 Apr. 0.0356 0.0322 0.0337
23:01-24:00, Tue., 22 Apr. 0.0354 0.0318 0.0337
22:01-23:00, Tue., 22 Apr. 0.0367 0.0315 0.0339
21:01-22:00, Tue., 22 Apr. 0.0358 0.0321 0.0337
20:01-21:00, Tue., 22 Apr. 0.0363 0.0304 0.0338
19:01-20:00, Tue., 22 Apr. 0.0360 0.0321 0.0340
18:01-19:00, Tue., 22 Apr. 0.0374 0.0320 0.0341
17:01-18:00, Tue., 22 Apr. 0.0363 0.0315 0.0339
16:01-17:00, Tue., 22 Apr. 0.0371 0.0321 0.0343
15:01-16:00, Tue., 22 Apr. 0.0364 0.0317 0.0342
14:01-15:00, Tue., 22 Apr. 0.0367 0.0319 0.0342
13:01-14:00, Tue., 22 Apr. 0.0374 0.0325 0.0342
12:01-13:00, Tue., 22 Apr. 0.0370 0.0306 0.0339
11:01-12:00, Tue., 22 Apr. 0.0367 0.0324 0.0341
10:01-11:00, Tue., 22 Apr. 0.0371 0.0316 0.0343
09:01-10:00, Tue., 22 Apr. 0.0376 0.0322 0.0343
08:01-09:00, Tue., 22 Apr. 0.0370 0.0318 0.0345
07:01-08:00, Tue., 22 Apr. 0.0373 0.0310 0.0347
06:01-07:00, Tue., 22 Apr. 0.0384 0.0321 0.0347
05:01-06:00, Tue., 22 Apr. 0.0371 0.0322 0.0344
04:01-05:00, Tue., 22 Apr. 0.0375 0.0322 0.0343
03:01-04:00, Tue., 22 Apr. 0.0367 0.0318 0.0341
02:01-03:00, Tue., 22 Apr. 0.0357 0.0315 0.0338
01:01-02:00, Tue., 22 Apr. 0.0370 0.0317 0.0339
00:01-01:00, Tue., 22 Apr. 0.0352 0.0312 0.0335
23:01-24:00, Mon., 21 Apr. 0.0354 0.0317 0.0334
22:01-23:00, Mon., 21 Apr. 0.0360 0.0321 0.0336
21:01-22:00, Mon., 21 Apr. 0.0358 0.0313 0.0336
20:01-21:00, Mon., 21 Apr. 0.0358 0.0307 0.0335
19:01-20:00, Mon., 21 Apr. 0.0360 0.0312 0.0338
18:01-19:00, Mon., 21 Apr. 0.0363 0.0314 0.0338
17:01-18:00, Mon., 21 Apr. 0.0373 0.0321 0.0342
16:01-17:00, Mon., 21 Apr. 0.0370 0.0322 0.0341
15:01-16:00, Mon., 21 Apr. 0.0386 0.0318 0.0345
14:01-15:00, Mon., 21 Apr. 0.0368 0.0315 0.0344
13:01-14:00, Mon., 21 Apr. 0.0365 0.0320 0.0344
12:01-13:00, Mon., 21 Apr. 0.0367 0.0319 0.0345
11:01-12:00, Mon., 21 Apr. 0.0357 0.0318 0.0340
10:01-11:00, Mon., 21 Apr. 0.0377 0.0310 0.0339
09:01-10:00, Mon., 21 Apr. 0.0381 0.0322 0.0345
08:01-09:00, Mon., 21 Apr. 0.0375 0.0327 0.0349
07:01-08:00, Mon., 21 Apr. 0.0377 0.0323 0.0346
06:01-07:00, Mon., 21 Apr. 0.0359 0.0318 0.0342
05:01-06:00, Mon., 21 Apr. 0.0368 0.0318 0.0339
04:01-05:00, Mon., 21 Apr. 0.0365 0.0321 0.0345
03:01-04:00, Mon., 21 Apr. 0.0360 0.0325 0.0344
02:01-03:00, Mon., 21 Apr. 0.0367 0.0318 0.0341
01:01-02:00, Mon., 21 Apr. 0.0367 0.0325 0.0344
00:01-01:00, Mon., 21 Apr. 0.0377 0.0327 0.0346