Measurement results by the hour (Hachioji) 25 Oct., 2021 - 31 Oct., 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., 31 Oct. 0.0337 0.0300 0.0323
22:01-23:00, Sun., 31 Oct. 0.0351 0.0304 0.0322
21:01-22:00, Sun., 31 Oct. 0.0343 0.0305 0.0321
20:01-21:00, Sun., 31 Oct. 0.0350 0.0294 0.0322
19:01-20:00, Sun., 31 Oct. 0.0341 0.0304 0.0320
18:01-19:00, Sun., 31 Oct. 0.0353 0.0304 0.0325
17:01-18:00, Sun., 31 Oct. 0.0371 0.0330 0.0353
16:01-17:00, Sun., 31 Oct. 0.0396 0.0326 0.0357
15:01-16:00, Sun., 31 Oct. 0.0370 0.0318 0.0344
14:01-15:00, Sun., 31 Oct. 0.0394 0.0334 0.0360
13:01-14:00, Sun., 31 Oct. 0.0399 0.0350 0.0366
12:01-13:00, Sun., 31 Oct. 0.0421 0.0355 0.0389
11:01-12:00, Sun., 31 Oct. 0.0385 0.0313 0.0350
10:01-11:00, Sun., 31 Oct. 0.0347 0.0310 0.0328
09:01-10:00, Sun., 31 Oct. 0.0353 0.0303 0.0325
08:01-09:00, Sun., 31 Oct. 0.0344 0.0298 0.0322
07:01-08:00, Sun., 31 Oct. 0.0341 0.0303 0.0323
06:01-07:00, Sun., 31 Oct. 0.0342 0.0302 0.0325
05:01-06:00, Sun., 31 Oct. 0.0355 0.0300 0.0327
04:01-05:00, Sun., 31 Oct. 0.0347 0.0307 0.0328
03:01-04:00, Sun., 31 Oct. 0.0348 0.0309 0.0329
02:01-03:00, Sun., 31 Oct. 0.0349 0.0307 0.0329
01:01-02:00, Sun., 31 Oct. 0.0350 0.0313 0.0328
00:01-01:00, Sun., 31 Oct. 0.0346 0.0310 0.0326
23:01-24:00, Sat., 30 Oct. 0.0342 0.0304 0.0325
22:01-23:00, Sat., 30 Oct. 0.0335 0.0302 0.0322
21:01-22:00, Sat., 30 Oct. 0.0337 0.0298 0.0318
20:01-21:00, Sat., 30 Oct. 0.0347 0.0293 0.0319
19:01-20:00, Sat., 30 Oct. 0.0337 0.0295 0.0317
18:01-19:00, Sat., 30 Oct. 0.0328 0.0295 0.0314
17:01-18:00, Sat., 30 Oct. 0.0338 0.0293 0.0314
16:01-17:00, Sat., 30 Oct. 0.0332 0.0293 0.0313
15:01-16:00, Sat., 30 Oct. 0.0343 0.0289 0.0313
14:01-15:00, Sat., 30 Oct. 0.0345 0.0289 0.0314
13:01-14:00, Sat., 30 Oct. 0.0337 0.0293 0.0315
12:01-13:00, Sat., 30 Oct. 0.0337 0.0297 0.0317
11:01-12:00, Sat., 30 Oct. 0.0339 0.0301 0.0318
10:01-11:00, Sat., 30 Oct. 0.0355 0.0300 0.0324
09:01-10:00, Sat., 30 Oct. 0.0353 0.0304 0.0326
08:01-09:00, Sat., 30 Oct. 0.0353 0.0309 0.0329
07:01-08:00, Sat., 30 Oct. 0.0350 0.0306 0.0328
06:01-07:00, Sat., 30 Oct. 0.0351 0.0297 0.0328
05:01-06:00, Sat., 30 Oct. 0.0344 0.0303 0.0323
04:01-05:00, Sat., 30 Oct. 0.0340 0.0305 0.0321
03:01-04:00, Sat., 30 Oct. 0.0345 0.0301 0.0322
02:01-03:00, Sat., 30 Oct. 0.0344 0.0306 0.0326
01:01-02:00, Sat., 30 Oct. 0.0334 0.0298 0.0319
00:01-01:00, Sat., 30 Oct. 0.0339 0.0299 0.0319
23:01-24:00, Fri., 29 Oct. 0.0345 0.0303 0.0318
22:01-23:00, Fri., 29 Oct. 0.0334 0.0297 0.0315
21:01-22:00, Fri., 29 Oct. 0.0336 0.0296 0.0316
20:01-21:00, Fri., 29 Oct. 0.0335 0.0292 0.0313
19:01-20:00, Fri., 29 Oct. 0.0330 0.0295 0.0315
18:01-19:00, Fri., 29 Oct. 0.0331 0.0296 0.0314
17:01-18:00, Fri., 29 Oct. 0.0337 0.0297 0.0316
16:01-17:00, Fri., 29 Oct. 0.0333 0.0299 0.0318
15:01-16:00, Fri., 29 Oct. 0.0335 0.0293 0.0315
14:01-15:00, Fri., 29 Oct. 0.0340 0.0292 0.0318
13:01-14:00, Fri., 29 Oct. 0.0339 0.0286 0.0316
12:01-13:00, Fri., 29 Oct. 0.0332 0.0293 0.0315
11:01-12:00, Fri., 29 Oct. 0.0337 0.0296 0.0316
10:01-11:00, Fri., 29 Oct. 0.0341 0.0299 0.0319
09:01-10:00, Fri., 29 Oct. 0.0341 0.0298 0.0318
08:01-09:00, Fri., 29 Oct. 0.0342 0.0292 0.0314
07:01-08:00, Fri., 29 Oct. 0.0334 0.0299 0.0313
06:01-07:00, Fri., 29 Oct. 0.0337 0.0295 0.0315
05:01-06:00, Fri., 29 Oct. 0.0337 0.0292 0.0315
04:01-05:00, Fri., 29 Oct. 0.0340 0.0296 0.0317
03:01-04:00, Fri., 29 Oct. 0.0333 0.0288 0.0312
02:01-03:00, Fri., 29 Oct. 0.0338 0.0288 0.0311
01:01-02:00, Fri., 29 Oct. 0.0333 0.0296 0.0315
00:01-01:00, Fri., 29 Oct. 0.0332 0.0302 0.0316
23:01-24:00, Thu., 28 Oct. 0.0340 0.0295 0.0313
22:01-23:00, Thu., 28 Oct. 0.0339 0.0295 0.0312
21:01-22:00, Thu., 28 Oct. 0.0336 0.0291 0.0313
20:01-21:00, Thu., 28 Oct. 0.0333 0.0292 0.0311
19:01-20:00, Thu., 28 Oct. 0.0329 0.0294 0.0312
18:01-19:00, Thu., 28 Oct. 0.0336 0.0295 0.0311
17:01-18:00, Thu., 28 Oct. 0.0335 0.0292 0.0312
16:01-17:00, Thu., 28 Oct. 0.0332 0.0292 0.0311
15:01-16:00, Thu., 28 Oct. 0.0330 0.0291 0.0308
14:01-15:00, Thu., 28 Oct. 0.0329 0.0291 0.0311
13:01-14:00, Thu., 28 Oct. 0.0336 0.0291 0.0309
12:01-13:00, Thu., 28 Oct. 0.0327 0.0292 0.0308
11:01-12:00, Thu., 28 Oct. 0.0334 0.0292 0.0310
10:01-11:00, Thu., 28 Oct. 0.0333 0.0288 0.0311
09:01-10:00, Thu., 28 Oct. 0.0340 0.0296 0.0317
08:01-09:00, Thu., 28 Oct. 0.0341 0.0297 0.0318
07:01-08:00, Thu., 28 Oct. 0.0341 0.0297 0.0317
06:01-07:00, Thu., 28 Oct. 0.0336 0.0299 0.0318
05:01-06:00, Thu., 28 Oct. 0.0334 0.0298 0.0316
04:01-05:00, Thu., 28 Oct. 0.0334 0.0297 0.0314
03:01-04:00, Thu., 28 Oct. 0.0329 0.0290 0.0312
02:01-03:00, Thu., 28 Oct. 0.0350 0.0295 0.0312
01:01-02:00, Thu., 28 Oct. 0.0329 0.0289 0.0311
00:01-01:00, Thu., 28 Oct. 0.0327 0.0281 0.0308
23:01-24:00, Wed., 27 Oct. 0.0330 0.0280 0.0306
22:01-23:00, Wed., 27 Oct. 0.0337 0.0283 0.0305
21:01-22:00, Wed., 27 Oct. 0.0329 0.0288 0.0307
20:01-21:00, Wed., 27 Oct. 0.0338 0.0285 0.0308
19:01-20:00, Wed., 27 Oct. 0.0326 0.0289 0.0307
18:01-19:00, Wed., 27 Oct. 0.0325 0.0289 0.0308
17:01-18:00, Wed., 27 Oct. 0.0325 0.0284 0.0306
16:01-17:00, Wed., 27 Oct. 0.0326 0.0289 0.0305
15:01-16:00, Wed., 27 Oct. 0.0325 0.0288 0.0306
14:01-15:00, Wed., 27 Oct. 0.0330 0.0286 0.0310
13:01-14:00, Wed., 27 Oct. 0.0334 0.0290 0.0310
12:01-13:00, Wed., 27 Oct. 0.0342 0.0301 0.0323
11:01-12:00, Wed., 27 Oct. 0.0362 0.0306 0.0330
10:01-11:00, Wed., 27 Oct. 0.0346 0.0291 0.0321
09:01-10:00, Wed., 27 Oct. 0.0334 0.0289 0.0312
08:01-09:00, Wed., 27 Oct. 0.0332 0.0296 0.0312
07:01-08:00, Wed., 27 Oct. 0.0331 0.0287 0.0309
06:01-07:00, Wed., 27 Oct. 0.0344 0.0287 0.0311
05:01-06:00, Wed., 27 Oct. 0.0336 0.0285 0.0313
04:01-05:00, Wed., 27 Oct. 0.0334 0.0301 0.0315
03:01-04:00, Wed., 27 Oct. 0.0327 0.0290 0.0312
02:01-03:00, Wed., 27 Oct. 0.0328 0.0283 0.0307
01:01-02:00, Wed., 27 Oct. 0.0324 0.0284 0.0303
00:01-01:00, Wed., 27 Oct. 0.0325 0.0281 0.0305
23:01-24:00, Tue., 26 Oct. 0.0326 0.0285 0.0307
22:01-23:00, Tue., 26 Oct. 0.0328 0.0286 0.0306
21:01-22:00, Tue., 26 Oct. 0.0320 0.0284 0.0304
20:01-21:00, Tue., 26 Oct. 0.0329 0.0284 0.0303
19:01-20:00, Tue., 26 Oct. 0.0322 0.0290 0.0303
18:01-19:00, Tue., 26 Oct. 0.0320 0.0287 0.0300
17:01-18:00, Tue., 26 Oct. 0.0323 0.0287 0.0300
16:01-17:00, Tue., 26 Oct. 0.0315 0.0272 0.0298
15:01-16:00, Tue., 26 Oct. 0.0327 0.0283 0.0301
14:01-15:00, Tue., 26 Oct. 0.0326 0.0288 0.0303
13:01-14:00, Tue., 26 Oct. 0.0321 0.0271 0.0301
12:01-13:00, Tue., 26 Oct. 0.0320 0.0282 0.0302
11:01-12:00, Tue., 26 Oct. 0.0318 0.0283 0.0300
10:01-11:00, Tue., 26 Oct. 0.0323 0.0278 0.0302
09:01-10:00, Tue., 26 Oct. 0.0321 0.0286 0.0304
08:01-09:00, Tue., 26 Oct. 0.0327 0.0286 0.0305
07:01-08:00, Tue., 26 Oct. 0.0344 0.0288 0.0314
06:01-07:00, Tue., 26 Oct. 0.0368 0.0309 0.0338
05:01-06:00, Tue., 26 Oct. 0.0400 0.0349 0.0370
04:01-05:00, Tue., 26 Oct. 0.0424 0.0360 0.0385
03:01-04:00, Tue., 26 Oct. 0.0444 0.0371 0.0401
02:01-03:00, Tue., 26 Oct. 0.0453 0.0372 0.0414
01:01-02:00, Tue., 26 Oct. 0.0429 0.0360 0.0385
00:01-01:00, Tue., 26 Oct. 0.0425 0.0357 0.0379
23:01-24:00, Mon., 25 Oct. 0.0398 0.0356 0.0372
22:01-23:00, Mon., 25 Oct. 0.0394 0.0345 0.0366
21:01-22:00, Mon., 25 Oct. 0.0383 0.0320 0.0352
20:01-21:00, Mon., 25 Oct. 0.0348 0.0299 0.0317
19:01-20:00, Mon., 25 Oct. 0.0336 0.0296 0.0318
18:01-19:00, Mon., 25 Oct. 0.0340 0.0295 0.0319
17:01-18:00, Mon., 25 Oct. 0.0347 0.0297 0.0317
16:01-17:00, Mon., 25 Oct. 0.0330 0.0304 0.0318
15:01-16:00, Mon., 25 Oct. 0.0334 0.0295 0.0316
14:01-15:00, Mon., 25 Oct. 0.0332 0.0295 0.0311
13:01-14:00, Mon., 25 Oct. 0.0337 0.0297 0.0314
12:01-13:00, Mon., 25 Oct. 0.0336 0.0292 0.0312
11:01-12:00, Mon., 25 Oct. 0.0344 0.0291 0.0317
10:01-11:00, Mon., 25 Oct. 0.0341 0.0294 0.0320
09:01-10:00, Mon., 25 Oct. 0.0346 0.0304 0.0324
08:01-09:00, Mon., 25 Oct. 0.0348 0.0305 0.0328
07:01-08:00, Mon., 25 Oct. 0.0359 0.0308 0.0327
06:01-07:00, Mon., 25 Oct. 0.0359 0.0308 0.0330
05:01-06:00, Mon., 25 Oct. 0.0346 0.0308 0.0327
04:01-05:00, Mon., 25 Oct. 0.0345 0.0305 0.0323
03:01-04:00, Mon., 25 Oct. 0.0342 0.0297 0.0320
02:01-03:00, Mon., 25 Oct. 0.0344 0.0301 0.0320
01:01-02:00, Mon., 25 Oct. 0.0339 0.0292 0.0316
00:01-01:00, Mon., 25 Oct. 0.0344 0.0293 0.0315