Measurement results by the hour (Hachioji) 30 Aug., 2021 - 5 Sep., 2021

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., 05 Sep. 0.0328 0.0275 0.0298
22:01-23:00, Sun., 05 Sep. 0.0318 0.0278 0.0295
21:01-22:00, Sun., 05 Sep. 0.0312 0.0283 0.0296
20:01-21:00, Sun., 05 Sep. 0.0314 0.0278 0.0297
19:01-20:00, Sun., 05 Sep. 0.0316 0.0279 0.0296
18:01-19:00, Sun., 05 Sep. 0.0322 0.0270 0.0298
17:01-18:00, Sun., 05 Sep. 0.0321 0.0278 0.0296
16:01-17:00, Sun., 05 Sep. 0.0316 0.0281 0.0297
15:01-16:00, Sun., 05 Sep. 0.0331 0.0272 0.0298
14:01-15:00, Sun., 05 Sep. 0.0315 0.0282 0.0298
13:01-14:00, Sun., 05 Sep. 0.0320 0.0282 0.0297
12:01-13:00, Sun., 05 Sep. 0.0317 0.0282 0.0300
11:01-12:00, Sun., 05 Sep. 0.0314 0.0279 0.0299
10:01-11:00, Sun., 05 Sep. 0.0316 0.0273 0.0297
09:01-10:00, Sun., 05 Sep. 0.0320 0.0280 0.0299
08:01-09:00, Sun., 05 Sep. 0.0320 0.0279 0.0299
07:01-08:00, Sun., 05 Sep. 0.0323 0.0277 0.0300
06:01-07:00, Sun., 05 Sep. 0.0333 0.0283 0.0309
05:01-06:00, Sun., 05 Sep. 0.0373 0.0310 0.0337
04:01-05:00, Sun., 05 Sep. 0.0391 0.0333 0.0357
03:01-04:00, Sun., 05 Sep. 0.0367 0.0313 0.0343
02:01-03:00, Sun., 05 Sep. 0.0367 0.0308 0.0332
01:01-02:00, Sun., 05 Sep. 0.0393 0.0334 0.0365
00:01-01:00, Sun., 05 Sep. 0.0430 0.0343 0.0391
23:01-24:00, Sat., 04 Sep. 0.0408 0.0348 0.0370
22:01-23:00, Sat., 04 Sep. 0.0446 0.0357 0.0386
21:01-22:00, Sat., 04 Sep. 0.0453 0.0391 0.0424
20:01-21:00, Sat., 04 Sep. 0.0425 0.0333 0.0378
19:01-20:00, Sat., 04 Sep. 0.0357 0.0305 0.0332
18:01-19:00, Sat., 04 Sep. 0.0369 0.0322 0.0349
17:01-18:00, Sat., 04 Sep. 0.0402 0.0348 0.0367
16:01-17:00, Sat., 04 Sep. 0.0406 0.0330 0.0358
15:01-16:00, Sat., 04 Sep. 0.0345 0.0307 0.0325
14:01-15:00, Sat., 04 Sep. 0.0344 0.0311 0.0329
13:01-14:00, Sat., 04 Sep. 0.0347 0.0297 0.0320
12:01-13:00, Sat., 04 Sep. 0.0338 0.0301 0.0318
11:01-12:00, Sat., 04 Sep. 0.0351 0.0304 0.0324
10:01-11:00, Sat., 04 Sep. 0.0370 0.0315 0.0343
09:01-10:00, Sat., 04 Sep. 0.0363 0.0293 0.0340
08:01-09:00, Sat., 04 Sep. 0.0324 0.0282 0.0306
07:01-08:00, Sat., 04 Sep. 0.0329 0.0288 0.0303
06:01-07:00, Sat., 04 Sep. 0.0320 0.0287 0.0305
05:01-06:00, Sat., 04 Sep. 0.0325 0.0284 0.0303
04:01-05:00, Sat., 04 Sep. 0.0333 0.0273 0.0301
03:01-04:00, Sat., 04 Sep. 0.0319 0.0285 0.0301
02:01-03:00, Sat., 04 Sep. 0.0323 0.0279 0.0301
01:01-02:00, Sat., 04 Sep. 0.0333 0.0279 0.0306
00:01-01:00, Sat., 04 Sep. 0.0327 0.0284 0.0310
23:01-24:00, Fri., 03 Sep. 0.0329 0.0282 0.0307
22:01-23:00, Fri., 03 Sep. 0.0340 0.0284 0.0310
21:01-22:00, Fri., 03 Sep. 0.0359 0.0310 0.0336
20:01-21:00, Fri., 03 Sep. 0.0385 0.0323 0.0359
19:01-20:00, Fri., 03 Sep. 0.0352 0.0293 0.0314
18:01-19:00, Fri., 03 Sep. 0.0362 0.0316 0.0337
17:01-18:00, Fri., 03 Sep. 0.0370 0.0334 0.0351
16:01-17:00, Fri., 03 Sep. 0.0365 0.0322 0.0337
15:01-16:00, Fri., 03 Sep. 0.0382 0.0333 0.0353
14:01-15:00, Fri., 03 Sep. 0.0379 0.0331 0.0351
13:01-14:00, Fri., 03 Sep. 0.0365 0.0306 0.0338
12:01-13:00, Fri., 03 Sep. 0.0353 0.0310 0.0328
11:01-12:00, Fri., 03 Sep. 0.0363 0.0323 0.0345
10:01-11:00, Fri., 03 Sep. 0.0413 0.0341 0.0375
09:01-10:00, Fri., 03 Sep. 0.0432 0.0358 0.0382
08:01-09:00, Fri., 03 Sep. 0.0400 0.0344 0.0365
07:01-08:00, Fri., 03 Sep. 0.0387 0.0339 0.0359
06:01-07:00, Fri., 03 Sep. 0.0407 0.0346 0.0369
05:01-06:00, Fri., 03 Sep. 0.0411 0.0354 0.0384
04:01-05:00, Fri., 03 Sep. 0.0429 0.0355 0.0388
03:01-04:00, Fri., 03 Sep. 0.0451 0.0369 0.0409
02:01-03:00, Fri., 03 Sep. 0.0413 0.0328 0.0357
01:01-02:00, Fri., 03 Sep. 0.0396 0.0333 0.0357
00:01-01:00, Fri., 03 Sep. 0.0404 0.0346 0.0372
23:01-24:00, Thu., 02 Sep. 0.0524 0.0393 0.0452
22:01-23:00, Thu., 02 Sep. 0.0603 0.0503 0.0558
21:01-22:00, Thu., 02 Sep. 0.0596 0.0523 0.0558
20:01-21:00, Thu., 02 Sep. 0.0568 0.0427 0.0492
19:01-20:00, Thu., 02 Sep. 0.0488 0.0405 0.0448
18:01-19:00, Thu., 02 Sep. 0.0486 0.0359 0.0413
17:01-18:00, Thu., 02 Sep. 0.0396 0.0356 0.0371
16:01-17:00, Thu., 02 Sep. 0.0424 0.0349 0.0375
15:01-16:00, Thu., 02 Sep. 0.0418 0.0354 0.0382
14:01-15:00, Thu., 02 Sep. 0.0404 0.0314 0.0353
13:01-14:00, Thu., 02 Sep. 0.0370 0.0315 0.0342
12:01-13:00, Thu., 02 Sep. 0.0414 0.0345 0.0373
11:01-12:00, Thu., 02 Sep. 0.0426 0.0360 0.0390
10:01-11:00, Thu., 02 Sep. 0.0434 0.0370 0.0403
09:01-10:00, Thu., 02 Sep. 0.0418 0.0355 0.0385
08:01-09:00, Thu., 02 Sep. 0.0417 0.0340 0.0383
07:01-08:00, Thu., 02 Sep. 0.0420 0.0337 0.0362
06:01-07:00, Thu., 02 Sep. 0.0462 0.0371 0.0418
05:01-06:00, Thu., 02 Sep. 0.0447 0.0372 0.0411
04:01-05:00, Thu., 02 Sep. 0.0445 0.0364 0.0403
03:01-04:00, Thu., 02 Sep. 0.0458 0.0370 0.0415
02:01-03:00, Thu., 02 Sep. 0.0427 0.0339 0.0369
01:01-02:00, Thu., 02 Sep. 0.0368 0.0299 0.0332
00:01-01:00, Thu., 02 Sep. 0.0347 0.0300 0.0328
23:01-24:00, Wed., 01 Sep. 0.0354 0.0304 0.0332
22:01-23:00, Wed., 01 Sep. 0.0369 0.0312 0.0340
21:01-22:00, Wed., 01 Sep. 0.0369 0.0337 0.0351
20:01-21:00, Wed., 01 Sep. 0.0376 0.0317 0.0342
19:01-20:00, Wed., 01 Sep. 0.0386 0.0326 0.0349
18:01-19:00, Wed., 01 Sep. 0.0372 0.0335 0.0354
17:01-18:00, Wed., 01 Sep. 0.0368 0.0331 0.0350
16:01-17:00, Wed., 01 Sep. 0.0425 0.0340 0.0371
15:01-16:00, Wed., 01 Sep. 0.0411 0.0352 0.0379
14:01-15:00, Wed., 01 Sep. 0.0404 0.0338 0.0367
13:01-14:00, Wed., 01 Sep. 0.0370 0.0320 0.0349
12:01-13:00, Wed., 01 Sep. 0.0363 0.0295 0.0339
11:01-12:00, Wed., 01 Sep. 0.0340 0.0301 0.0321
10:01-11:00, Wed., 01 Sep. 0.0356 0.0301 0.0323
09:01-10:00, Wed., 01 Sep. 0.0355 0.0305 0.0321
08:01-09:00, Wed., 01 Sep. 0.0342 0.0295 0.0322
07:01-08:00, Wed., 01 Sep. 0.0340 0.0304 0.0321
06:01-07:00, Wed., 01 Sep. 0.0356 0.0302 0.0322
05:01-06:00, Wed., 01 Sep. 0.0335 0.0302 0.0318
04:01-05:00, Wed., 01 Sep. 0.0336 0.0301 0.0319
03:01-04:00, Wed., 01 Sep. 0.0347 0.0300 0.0319
02:01-03:00, Wed., 01 Sep. 0.0342 0.0298 0.0320
01:01-02:00, Wed., 01 Sep. 0.0337 0.0291 0.0319
00:01-01:00, Wed., 01 Sep. 0.0345 0.0300 0.0321
23:01-24:00, Tue., 31 Aug. 0.0339 0.0300 0.0319
22:01-23:00, Tue., 31 Aug. 0.0362 0.0311 0.0332
21:01-22:00, Tue., 31 Aug. 0.0421 0.0332 0.0365
20:01-21:00, Tue., 31 Aug. 0.0460 0.0312 0.0410
19:01-20:00, Tue., 31 Aug. 0.0345 0.0303 0.0327
18:01-19:00, Tue., 31 Aug. 0.0349 0.0303 0.0330
17:01-18:00, Tue., 31 Aug. 0.0348 0.0310 0.0328
16:01-17:00, Tue., 31 Aug. 0.0343 0.0302 0.0325
15:01-16:00, Tue., 31 Aug. 0.0361 0.0305 0.0332
14:01-15:00, Tue., 31 Aug. 0.0350 0.0309 0.0326
13:01-14:00, Tue., 31 Aug. 0.0345 0.0307 0.0324
12:01-13:00, Tue., 31 Aug. 0.0353 0.0301 0.0324
11:01-12:00, Tue., 31 Aug. 0.0341 0.0307 0.0323
10:01-11:00, Tue., 31 Aug. 0.0351 0.0304 0.0324
09:01-10:00, Tue., 31 Aug. 0.0350 0.0303 0.0324
08:01-09:00, Tue., 31 Aug. 0.0343 0.0302 0.0326
07:01-08:00, Tue., 31 Aug. 0.0354 0.0305 0.0325
06:01-07:00, Tue., 31 Aug. 0.0348 0.0305 0.0325
05:01-06:00, Tue., 31 Aug. 0.0348 0.0307 0.0325
04:01-05:00, Tue., 31 Aug. 0.0342 0.0307 0.0326
03:01-04:00, Tue., 31 Aug. 0.0356 0.0304 0.0326
02:01-03:00, Tue., 31 Aug. 0.0348 0.0309 0.0325
01:01-02:00, Tue., 31 Aug. 0.0341 0.0305 0.0324
00:01-01:00, Tue., 31 Aug. 0.0342 0.0299 0.0324
23:01-24:00, Mon., 30 Aug. 0.0356 0.0304 0.0328
22:01-23:00, Mon., 30 Aug. 0.0348 0.0308 0.0329
21:01-22:00, Mon., 30 Aug. 0.0346 0.0308 0.0327
20:01-21:00, Mon., 30 Aug. 0.0346 0.0304 0.0326
19:01-20:00, Mon., 30 Aug. 0.0346 0.0310 0.0325
18:01-19:00, Mon., 30 Aug. 0.0342 0.0298 0.0325
17:01-18:00, Mon., 30 Aug. 0.0340 0.0303 0.0324
16:01-17:00, Mon., 30 Aug. 0.0351 0.0305 0.0325
15:01-16:00, Mon., 30 Aug. 0.0349 0.0297 0.0322
14:01-15:00, Mon., 30 Aug. 0.0346 0.0299 0.0323
13:01-14:00, Mon., 30 Aug. 0.0336 0.0303 0.0321
12:01-13:00, Mon., 30 Aug. 0.0341 0.0304 0.0323
11:01-12:00, Mon., 30 Aug. 0.0335 0.0296 0.0320
10:01-11:00, Mon., 30 Aug. 0.0344 0.0300 0.0323
09:01-10:00, Mon., 30 Aug. 0.0348 0.0300 0.0328
08:01-09:00, Mon., 30 Aug. 0.0352 0.0312 0.0330
07:01-08:00, Mon., 30 Aug. 0.0365 0.0315 0.0336
06:01-07:00, Mon., 30 Aug. 0.0355 0.0317 0.0337
05:01-06:00, Mon., 30 Aug. 0.0343 0.0303 0.0323
04:01-05:00, Mon., 30 Aug. 0.0346 0.0304 0.0321
03:01-04:00, Mon., 30 Aug. 0.0340 0.0301 0.0319
02:01-03:00, Mon., 30 Aug. 0.0340 0.0295 0.0320
01:01-02:00, Mon., 30 Aug. 0.0338 0.0297 0.0319
00:01-01:00, Mon., 30 Aug. 0.0344 0.0301 0.0321