Measurement results by the hour (Hachioji) 10 Mar., 2025 - 16 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., 16 Mar. 0.0388 0.0329 0.0362
22:01-23:00, Sun., 16 Mar. 0.0392 0.0343 0.0365
21:01-22:00, Sun., 16 Mar. 0.0422 0.0360 0.0394
20:01-21:00, Sun., 16 Mar. 0.0431 0.0382 0.0407
19:01-20:00, Sun., 16 Mar. 0.0436 0.0389 0.0415
18:01-19:00, Sun., 16 Mar. 0.0473 0.0392 0.0426
17:01-18:00, Sun., 16 Mar. 0.0486 0.0402 0.0442
16:01-17:00, Sun., 16 Mar. 0.0436 0.0377 0.0410
15:01-16:00, Sun., 16 Mar. 0.0483 0.0401 0.0443
14:01-15:00, Sun., 16 Mar. 0.0506 0.0444 0.0480
13:01-14:00, Sun., 16 Mar. 0.0534 0.0464 0.0505
12:01-13:00, Sun., 16 Mar. 0.0509 0.0433 0.0472
11:01-12:00, Sun., 16 Mar. 0.0496 0.0436 0.0469
10:01-11:00, Sun., 16 Mar. 0.0504 0.0444 0.0475
09:01-10:00, Sun., 16 Mar. 0.0582 0.0464 0.0518
08:01-09:00, Sun., 16 Mar. 0.0625 0.0544 0.0587
07:01-08:00, Sun., 16 Mar. 0.0556 0.0453 0.0500
06:01-07:00, Sun., 16 Mar. 0.0501 0.0425 0.0461
05:01-06:00, Sun., 16 Mar. 0.0474 0.0406 0.0436
04:01-05:00, Sun., 16 Mar. 0.0443 0.0367 0.0402
03:01-04:00, Sun., 16 Mar. 0.0397 0.0345 0.0366
02:01-03:00, Sun., 16 Mar. 0.0384 0.0344 0.0365
01:01-02:00, Sun., 16 Mar. 0.0380 0.0328 0.0350
00:01-01:00, Sun., 16 Mar. 0.0373 0.0332 0.0352
23:01-24:00, Sat., 15 Mar. 0.0370 0.0324 0.0346
22:01-23:00, Sat., 15 Mar. 0.0365 0.0312 0.0343
21:01-22:00, Sat., 15 Mar. 0.0380 0.0325 0.0351
20:01-21:00, Sat., 15 Mar. 0.0381 0.0328 0.0354
19:01-20:00, Sat., 15 Mar. 0.0372 0.0318 0.0346
18:01-19:00, Sat., 15 Mar. 0.0400 0.0328 0.0358
17:01-18:00, Sat., 15 Mar. 0.0433 0.0349 0.0388
16:01-17:00, Sat., 15 Mar. 0.0443 0.0381 0.0413
15:01-16:00, Sat., 15 Mar. 0.0454 0.0349 0.0405
14:01-15:00, Sat., 15 Mar. 0.0365 0.0318 0.0336
13:01-14:00, Sat., 15 Mar. 0.0352 0.0307 0.0330
12:01-13:00, Sat., 15 Mar. 0.0356 0.0307 0.0331
11:01-12:00, Sat., 15 Mar. 0.0358 0.0298 0.0331
10:01-11:00, Sat., 15 Mar. 0.0360 0.0301 0.0330
09:01-10:00, Sat., 15 Mar. 0.0356 0.0308 0.0333
08:01-09:00, Sat., 15 Mar. 0.0353 0.0311 0.0333
07:01-08:00, Sat., 15 Mar. 0.0360 0.0309 0.0334
06:01-07:00, Sat., 15 Mar. 0.0369 0.0315 0.0338
05:01-06:00, Sat., 15 Mar. 0.0363 0.0306 0.0334
04:01-05:00, Sat., 15 Mar. 0.0352 0.0311 0.0334
03:01-04:00, Sat., 15 Mar. 0.0356 0.0304 0.0332
02:01-03:00, Sat., 15 Mar. 0.0369 0.0316 0.0332
01:01-02:00, Sat., 15 Mar. 0.0357 0.0312 0.0333
00:01-01:00, Sat., 15 Mar. 0.0358 0.0310 0.0335
23:01-24:00, Fri., 14 Mar. 0.0357 0.0311 0.0333
22:01-23:00, Fri., 14 Mar. 0.0351 0.0309 0.0333
21:01-22:00, Fri., 14 Mar. 0.0346 0.0309 0.0330
20:01-21:00, Fri., 14 Mar. 0.0360 0.0302 0.0330
19:01-20:00, Fri., 14 Mar. 0.0352 0.0294 0.0329
18:01-19:00, Fri., 14 Mar. 0.0354 0.0308 0.0329
17:01-18:00, Fri., 14 Mar. 0.0346 0.0311 0.0326
16:01-17:00, Fri., 14 Mar. 0.0354 0.0301 0.0329
15:01-16:00, Fri., 14 Mar. 0.0363 0.0303 0.0336
14:01-15:00, Fri., 14 Mar. 0.0362 0.0313 0.0335
13:01-14:00, Fri., 14 Mar. 0.0350 0.0308 0.0332
12:01-13:00, Fri., 14 Mar. 0.0348 0.0308 0.0329
11:01-12:00, Fri., 14 Mar. 0.0353 0.0308 0.0330
10:01-11:00, Fri., 14 Mar. 0.0359 0.0308 0.0332
09:01-10:00, Fri., 14 Mar. 0.0356 0.0318 0.0339
08:01-09:00, Fri., 14 Mar. 0.0364 0.0322 0.0339
07:01-08:00, Fri., 14 Mar. 0.0370 0.0325 0.0345
06:01-07:00, Fri., 14 Mar. 0.0363 0.0314 0.0341
05:01-06:00, Fri., 14 Mar. 0.0374 0.0316 0.0344
04:01-05:00, Fri., 14 Mar. 0.0370 0.0304 0.0336
03:01-04:00, Fri., 14 Mar. 0.0357 0.0314 0.0337
02:01-03:00, Fri., 14 Mar. 0.0361 0.0308 0.0337
01:01-02:00, Fri., 14 Mar. 0.0348 0.0308 0.0332
00:01-01:00, Fri., 14 Mar. 0.0356 0.0304 0.0335
23:01-24:00, Thu., 13 Mar. 0.0351 0.0304 0.0332
22:01-23:00, Thu., 13 Mar. 0.0353 0.0297 0.0329
21:01-22:00, Thu., 13 Mar. 0.0360 0.0309 0.0331
20:01-21:00, Thu., 13 Mar. 0.0353 0.0306 0.0329
19:01-20:00, Thu., 13 Mar. 0.0353 0.0311 0.0331
18:01-19:00, Thu., 13 Mar. 0.0348 0.0301 0.0329
17:01-18:00, Thu., 13 Mar. 0.0350 0.0300 0.0329
16:01-17:00, Thu., 13 Mar. 0.0360 0.0318 0.0334
15:01-16:00, Thu., 13 Mar. 0.0355 0.0304 0.0333
14:01-15:00, Thu., 13 Mar. 0.0366 0.0312 0.0333
13:01-14:00, Thu., 13 Mar. 0.0354 0.0314 0.0332
12:01-13:00, Thu., 13 Mar. 0.0358 0.0307 0.0333
11:01-12:00, Thu., 13 Mar. 0.0351 0.0311 0.0329
10:01-11:00, Thu., 13 Mar. 0.0353 0.0305 0.0331
09:01-10:00, Thu., 13 Mar. 0.0363 0.0319 0.0341
08:01-09:00, Thu., 13 Mar. 0.0371 0.0313 0.0340
07:01-08:00, Thu., 13 Mar. 0.0377 0.0319 0.0343
06:01-07:00, Thu., 13 Mar. 0.0362 0.0318 0.0340
05:01-06:00, Thu., 13 Mar. 0.0363 0.0316 0.0338
04:01-05:00, Thu., 13 Mar. 0.0370 0.0318 0.0337
03:01-04:00, Thu., 13 Mar. 0.0360 0.0320 0.0339
02:01-03:00, Thu., 13 Mar. 0.0362 0.0315 0.0340
01:01-02:00, Thu., 13 Mar. 0.0360 0.0311 0.0332
00:01-01:00, Thu., 13 Mar. 0.0355 0.0300 0.0335
23:01-24:00, Wed., 12 Mar. 0.0359 0.0310 0.0333
22:01-23:00, Wed., 12 Mar. 0.0353 0.0301 0.0335
21:01-22:00, Wed., 12 Mar. 0.0360 0.0316 0.0338
20:01-21:00, Wed., 12 Mar. 0.0390 0.0332 0.0358
19:01-20:00, Wed., 12 Mar. 0.0399 0.0342 0.0370
18:01-19:00, Wed., 12 Mar. 0.0423 0.0371 0.0395
17:01-18:00, Wed., 12 Mar. 0.0402 0.0339 0.0376
16:01-17:00, Wed., 12 Mar. 0.0400 0.0345 0.0371
15:01-16:00, Wed., 12 Mar. 0.0391 0.0346 0.0372
14:01-15:00, Wed., 12 Mar. 0.0395 0.0320 0.0352
13:01-14:00, Wed., 12 Mar. 0.0358 0.0308 0.0333
12:01-13:00, Wed., 12 Mar. 0.0363 0.0313 0.0333
11:01-12:00, Wed., 12 Mar. 0.0367 0.0320 0.0343
10:01-11:00, Wed., 12 Mar. 0.0379 0.0328 0.0353
09:01-10:00, Wed., 12 Mar. 0.0376 0.0330 0.0352
08:01-09:00, Wed., 12 Mar. 0.0369 0.0332 0.0350
07:01-08:00, Wed., 12 Mar. 0.0370 0.0328 0.0351
06:01-07:00, Wed., 12 Mar. 0.0370 0.0325 0.0348
05:01-06:00, Wed., 12 Mar. 0.0363 0.0318 0.0341
04:01-05:00, Wed., 12 Mar. 0.0362 0.0327 0.0343
03:01-04:00, Wed., 12 Mar. 0.0370 0.0322 0.0350
02:01-03:00, Wed., 12 Mar. 0.0388 0.0341 0.0363
01:01-02:00, Wed., 12 Mar. 0.0384 0.0336 0.0363
00:01-01:00, Wed., 12 Mar. 0.0384 0.0318 0.0345
23:01-24:00, Tue., 11 Mar. 0.0360 0.0309 0.0336
22:01-23:00, Tue., 11 Mar. 0.0350 0.0307 0.0328
21:01-22:00, Tue., 11 Mar. 0.0353 0.0312 0.0331
20:01-21:00, Tue., 11 Mar. 0.0356 0.0311 0.0329
19:01-20:00, Tue., 11 Mar. 0.0355 0.0309 0.0336
18:01-19:00, Tue., 11 Mar. 0.0356 0.0310 0.0335
17:01-18:00, Tue., 11 Mar. 0.0357 0.0311 0.0332
16:01-17:00, Tue., 11 Mar. 0.0361 0.0309 0.0333
15:01-16:00, Tue., 11 Mar. 0.0351 0.0306 0.0327
14:01-15:00, Tue., 11 Mar. 0.0351 0.0301 0.0326
13:01-14:00, Tue., 11 Mar. 0.0346 0.0306 0.0330
12:01-13:00, Tue., 11 Mar. 0.0353 0.0302 0.0329
11:01-12:00, Tue., 11 Mar. 0.0349 0.0306 0.0332
10:01-11:00, Tue., 11 Mar. 0.0358 0.0314 0.0334
09:01-10:00, Tue., 11 Mar. 0.0363 0.0316 0.0339
08:01-09:00, Tue., 11 Mar. 0.0374 0.0311 0.0340
07:01-08:00, Tue., 11 Mar. 0.0364 0.0318 0.0342
06:01-07:00, Tue., 11 Mar. 0.0362 0.0322 0.0339
05:01-06:00, Tue., 11 Mar. 0.0356 0.0315 0.0336
04:01-05:00, Tue., 11 Mar. 0.0360 0.0306 0.0334
03:01-04:00, Tue., 11 Mar. 0.0363 0.0318 0.0337
02:01-03:00, Tue., 11 Mar. 0.0366 0.0315 0.0343
01:01-02:00, Tue., 11 Mar. 0.0360 0.0321 0.0337
00:01-01:00, Tue., 11 Mar. 0.0355 0.0311 0.0328
23:01-24:00, Mon., 10 Mar. 0.0358 0.0311 0.0329
22:01-23:00, Mon., 10 Mar. 0.0343 0.0311 0.0328
21:01-22:00, Mon., 10 Mar. 0.0347 0.0298 0.0329
20:01-21:00, Mon., 10 Mar. 0.0349 0.0303 0.0328
19:01-20:00, Mon., 10 Mar. 0.0350 0.0305 0.0326
18:01-19:00, Mon., 10 Mar. 0.0349 0.0306 0.0329
17:01-18:00, Mon., 10 Mar. 0.0347 0.0301 0.0328
16:01-17:00, Mon., 10 Mar. 0.0347 0.0301 0.0327
15:01-16:00, Mon., 10 Mar. 0.0356 0.0309 0.0328
14:01-15:00, Mon., 10 Mar. 0.0354 0.0305 0.0331
13:01-14:00, Mon., 10 Mar. 0.0363 0.0304 0.0330
12:01-13:00, Mon., 10 Mar. 0.0367 0.0307 0.0332
11:01-12:00, Mon., 10 Mar. 0.0360 0.0309 0.0334
10:01-11:00, Mon., 10 Mar. 0.0362 0.0315 0.0336
09:01-10:00, Mon., 10 Mar. 0.0363 0.0325 0.0344
08:01-09:00, Mon., 10 Mar. 0.0363 0.0322 0.0345
07:01-08:00, Mon., 10 Mar. 0.0372 0.0318 0.0347
06:01-07:00, Mon., 10 Mar. 0.0377 0.0327 0.0352
05:01-06:00, Mon., 10 Mar. 0.0363 0.0328 0.0349
04:01-05:00, Mon., 10 Mar. 0.0375 0.0331 0.0345
03:01-04:00, Mon., 10 Mar. 0.0374 0.0311 0.0344
02:01-03:00, Mon., 10 Mar. 0.0367 0.0317 0.0342
01:01-02:00, Mon., 10 Mar. 0.0363 0.0322 0.0340
00:01-01:00, Mon., 10 Mar. 0.0360 0.0307 0.0336