Measurement results by the hour (Hachioji) 13 Apr., 2020 - 19 Apr., 2020

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., 19 Apr. 0.0321 0.0279 0.0297
22:01-23:00, Sun., 19 Apr. 0.0321 0.0277 0.0295
21:01-22:00, Sun., 19 Apr. 0.0313 0.0273 0.0296
20:01-21:00, Sun., 19 Apr. 0.0319 0.0284 0.0299
19:01-20:00, Sun., 19 Apr. 0.0313 0.0277 0.0295
18:01-19:00, Sun., 19 Apr. 0.0317 0.0278 0.0296
17:01-18:00, Sun., 19 Apr. 0.0326 0.0274 0.0296
16:01-17:00, Sun., 19 Apr. 0.0316 0.0278 0.0298
15:01-16:00, Sun., 19 Apr. 0.0317 0.0277 0.0296
14:01-15:00, Sun., 19 Apr. 0.0320 0.0281 0.0298
13:01-14:00, Sun., 19 Apr. 0.0323 0.0284 0.0299
12:01-13:00, Sun., 19 Apr. 0.0316 0.0284 0.0299
11:01-12:00, Sun., 19 Apr. 0.0324 0.0274 0.0298
10:01-11:00, Sun., 19 Apr. 0.0323 0.0280 0.0298
09:01-10:00, Sun., 19 Apr. 0.0328 0.0276 0.0300
08:01-09:00, Sun., 19 Apr. 0.0327 0.0286 0.0304
07:01-08:00, Sun., 19 Apr. 0.0335 0.0289 0.0312
06:01-07:00, Sun., 19 Apr. 0.0339 0.0291 0.0311
05:01-06:00, Sun., 19 Apr. 0.0333 0.0289 0.0310
04:01-05:00, Sun., 19 Apr. 0.0330 0.0283 0.0307
03:01-04:00, Sun., 19 Apr. 0.0326 0.0287 0.0307
02:01-03:00, Sun., 19 Apr. 0.0321 0.0280 0.0305
01:01-02:00, Sun., 19 Apr. 0.0322 0.0280 0.0306
00:01-01:00, Sun., 19 Apr. 0.0329 0.0292 0.0309
23:01-24:00, Sat., 18 Apr. 0.0334 0.0287 0.0305
22:01-23:00, Sat., 18 Apr. 0.0330 0.0278 0.0303
21:01-22:00, Sat., 18 Apr. 0.0323 0.0279 0.0299
20:01-21:00, Sat., 18 Apr. 0.0317 0.0280 0.0298
19:01-20:00, Sat., 18 Apr. 0.0322 0.0281 0.0301
18:01-19:00, Sat., 18 Apr. 0.0328 0.0283 0.0302
17:01-18:00, Sat., 18 Apr. 0.0320 0.0280 0.0301
16:01-17:00, Sat., 18 Apr. 0.0327 0.0280 0.0303
15:01-16:00, Sat., 18 Apr. 0.0351 0.0293 0.0322
14:01-15:00, Sat., 18 Apr. 0.0381 0.0330 0.0356
13:01-14:00, Sat., 18 Apr. 0.0395 0.0346 0.0367
12:01-13:00, Sat., 18 Apr. 0.0440 0.0358 0.0392
11:01-12:00, Sat., 18 Apr. 0.0462 0.0377 0.0421
10:01-11:00, Sat., 18 Apr. 0.0464 0.0381 0.0415
09:01-10:00, Sat., 18 Apr. 0.0480 0.0390 0.0417
08:01-09:00, Sat., 18 Apr. 0.0460 0.0403 0.0433
07:01-08:00, Sat., 18 Apr. 0.0465 0.0389 0.0425
06:01-07:00, Sat., 18 Apr. 0.0431 0.0383 0.0409
05:01-06:00, Sat., 18 Apr. 0.0445 0.0371 0.0411
04:01-05:00, Sat., 18 Apr. 0.0425 0.0361 0.0386
03:01-04:00, Sat., 18 Apr. 0.0427 0.0367 0.0391
02:01-03:00, Sat., 18 Apr. 0.0429 0.0353 0.0385
01:01-02:00, Sat., 18 Apr. 0.0386 0.0326 0.0358
00:01-01:00, Sat., 18 Apr. 0.0353 0.0300 0.0332
23:01-24:00, Fri., 17 Apr. 0.0334 0.0282 0.0312
22:01-23:00, Fri., 17 Apr. 0.0324 0.0289 0.0306
21:01-22:00, Fri., 17 Apr. 0.0323 0.0284 0.0303
20:01-21:00, Fri., 17 Apr. 0.0323 0.0281 0.0301
19:01-20:00, Fri., 17 Apr. 0.0321 0.0284 0.0301
18:01-19:00, Fri., 17 Apr. 0.0324 0.0281 0.0302
17:01-18:00, Fri., 17 Apr. 0.0320 0.0279 0.0301
16:01-17:00, Fri., 17 Apr. 0.0320 0.0282 0.0302
15:01-16:00, Fri., 17 Apr. 0.0318 0.0278 0.0301
14:01-15:00, Fri., 17 Apr. 0.0327 0.0282 0.0304
13:01-14:00, Fri., 17 Apr. 0.0324 0.0282 0.0304
12:01-13:00, Fri., 17 Apr. 0.0320 0.0280 0.0303
11:01-12:00, Fri., 17 Apr. 0.0318 0.0279 0.0299
10:01-11:00, Fri., 17 Apr. 0.0325 0.0280 0.0304
09:01-10:00, Fri., 17 Apr. 0.0321 0.0277 0.0301
08:01-09:00, Fri., 17 Apr. 0.0316 0.0283 0.0302
07:01-08:00, Fri., 17 Apr. 0.0325 0.0289 0.0302
06:01-07:00, Fri., 17 Apr. 0.0318 0.0283 0.0301
05:01-06:00, Fri., 17 Apr. 0.0325 0.0281 0.0300
04:01-05:00, Fri., 17 Apr. 0.0325 0.0277 0.0301
03:01-04:00, Fri., 17 Apr. 0.0320 0.0273 0.0299
02:01-03:00, Fri., 17 Apr. 0.0329 0.0279 0.0301
01:01-02:00, Fri., 17 Apr. 0.0322 0.0281 0.0302
00:01-01:00, Fri., 17 Apr. 0.0326 0.0284 0.0301
23:01-24:00, Thu., 16 Apr. 0.0332 0.0277 0.0300
22:01-23:00, Thu., 16 Apr. 0.0324 0.0286 0.0303
21:01-22:00, Thu., 16 Apr. 0.0329 0.0292 0.0307
20:01-21:00, Thu., 16 Apr. 0.0328 0.0279 0.0304
19:01-20:00, Thu., 16 Apr. 0.0330 0.0294 0.0311
18:01-19:00, Thu., 16 Apr. 0.0345 0.0304 0.0319
17:01-18:00, Thu., 16 Apr. 0.0357 0.0319 0.0340
16:01-17:00, Thu., 16 Apr. 0.0350 0.0280 0.0316
15:01-16:00, Thu., 16 Apr. 0.0317 0.0278 0.0300
14:01-15:00, Thu., 16 Apr. 0.0321 0.0284 0.0301
13:01-14:00, Thu., 16 Apr. 0.0323 0.0287 0.0302
12:01-13:00, Thu., 16 Apr. 0.0327 0.0290 0.0304
11:01-12:00, Thu., 16 Apr. 0.0327 0.0284 0.0304
10:01-11:00, Thu., 16 Apr. 0.0327 0.0279 0.0305
09:01-10:00, Thu., 16 Apr. 0.0323 0.0276 0.0303
08:01-09:00, Thu., 16 Apr. 0.0328 0.0284 0.0304
07:01-08:00, Thu., 16 Apr. 0.0324 0.0279 0.0299
06:01-07:00, Thu., 16 Apr. 0.0327 0.0286 0.0305
05:01-06:00, Thu., 16 Apr. 0.0336 0.0283 0.0308
04:01-05:00, Thu., 16 Apr. 0.0332 0.0291 0.0309
03:01-04:00, Thu., 16 Apr. 0.0331 0.0296 0.0312
02:01-03:00, Thu., 16 Apr. 0.0324 0.0284 0.0304
01:01-02:00, Thu., 16 Apr. 0.0328 0.0284 0.0305
00:01-01:00, Thu., 16 Apr. 0.0322 0.0281 0.0304
23:01-24:00, Wed., 15 Apr. 0.0327 0.0282 0.0305
22:01-23:00, Wed., 15 Apr. 0.0322 0.0287 0.0303
21:01-22:00, Wed., 15 Apr. 0.0321 0.0285 0.0305
20:01-21:00, Wed., 15 Apr. 0.0327 0.0286 0.0302
19:01-20:00, Wed., 15 Apr. 0.0321 0.0285 0.0301
18:01-19:00, Wed., 15 Apr. 0.0317 0.0277 0.0301
17:01-18:00, Wed., 15 Apr. 0.0319 0.0280 0.0300
16:01-17:00, Wed., 15 Apr. 0.0318 0.0283 0.0301
15:01-16:00, Wed., 15 Apr. 0.0320 0.0282 0.0299
14:01-15:00, Wed., 15 Apr. 0.0325 0.0286 0.0300
13:01-14:00, Wed., 15 Apr. 0.0322 0.0283 0.0301
12:01-13:00, Wed., 15 Apr. 0.0314 0.0288 0.0299
11:01-12:00, Wed., 15 Apr. 0.0321 0.0283 0.0300
10:01-11:00, Wed., 15 Apr. 0.0325 0.0287 0.0304
09:01-10:00, Wed., 15 Apr. 0.0332 0.0287 0.0303
08:01-09:00, Wed., 15 Apr. 0.0329 0.0287 0.0306
07:01-08:00, Wed., 15 Apr. 0.0328 0.0284 0.0303
06:01-07:00, Wed., 15 Apr. 0.0332 0.0287 0.0307
05:01-06:00, Wed., 15 Apr. 0.0324 0.0285 0.0305
04:01-05:00, Wed., 15 Apr. 0.0325 0.0283 0.0306
03:01-04:00, Wed., 15 Apr. 0.0334 0.0284 0.0305
02:01-03:00, Wed., 15 Apr. 0.0320 0.0285 0.0302
01:01-02:00, Wed., 15 Apr. 0.0329 0.0286 0.0305
00:01-01:00, Wed., 15 Apr. 0.0324 0.0281 0.0304
23:01-24:00, Tue., 14 Apr. 0.0333 0.0276 0.0303
22:01-23:00, Tue., 14 Apr. 0.0326 0.0275 0.0300
21:01-22:00, Tue., 14 Apr. 0.0314 0.0271 0.0296
20:01-21:00, Tue., 14 Apr. 0.0317 0.0277 0.0297
19:01-20:00, Tue., 14 Apr. 0.0316 0.0281 0.0297
18:01-19:00, Tue., 14 Apr. 0.0314 0.0279 0.0296
17:01-18:00, Tue., 14 Apr. 0.0315 0.0278 0.0299
16:01-17:00, Tue., 14 Apr. 0.0323 0.0276 0.0298
15:01-16:00, Tue., 14 Apr. 0.0313 0.0276 0.0297
14:01-15:00, Tue., 14 Apr. 0.0317 0.0275 0.0298
13:01-14:00, Tue., 14 Apr. 0.0318 0.0281 0.0297
12:01-13:00, Tue., 14 Apr. 0.0315 0.0280 0.0296
11:01-12:00, Tue., 14 Apr. 0.0314 0.0277 0.0297
10:01-11:00, Tue., 14 Apr. 0.0326 0.0281 0.0299
09:01-10:00, Tue., 14 Apr. 0.0322 0.0281 0.0298
08:01-09:00, Tue., 14 Apr. 0.0317 0.0270 0.0294
07:01-08:00, Tue., 14 Apr. 0.0324 0.0269 0.0296
06:01-07:00, Tue., 14 Apr. 0.0318 0.0280 0.0299
05:01-06:00, Tue., 14 Apr. 0.0320 0.0284 0.0302
04:01-05:00, Tue., 14 Apr. 0.0323 0.0277 0.0300
03:01-04:00, Tue., 14 Apr. 0.0340 0.0282 0.0304
02:01-03:00, Tue., 14 Apr. 0.0336 0.0288 0.0308
01:01-02:00, Tue., 14 Apr. 0.0365 0.0306 0.0336
00:01-01:00, Tue., 14 Apr. 0.0389 0.0344 0.0364
23:01-24:00, Mon., 13 Apr. 0.0380 0.0334 0.0356
22:01-23:00, Mon., 13 Apr. 0.0414 0.0347 0.0375
21:01-22:00, Mon., 13 Apr. 0.0430 0.0364 0.0389
20:01-21:00, Mon., 13 Apr. 0.0422 0.0362 0.0386
19:01-20:00, Mon., 13 Apr. 0.0400 0.0342 0.0366
18:01-19:00, Mon., 13 Apr. 0.0389 0.0332 0.0357
17:01-18:00, Mon., 13 Apr. 0.0409 0.0348 0.0373
16:01-17:00, Mon., 13 Apr. 0.0409 0.0350 0.0376
15:01-16:00, Mon., 13 Apr. 0.0445 0.0366 0.0395
14:01-15:00, Mon., 13 Apr. 0.0448 0.0394 0.0424
13:01-14:00, Mon., 13 Apr. 0.0459 0.0389 0.0427
12:01-13:00, Mon., 13 Apr. 0.0462 0.0407 0.0429
11:01-12:00, Mon., 13 Apr. 0.0456 0.0401 0.0426
10:01-11:00, Mon., 13 Apr. 0.0455 0.0375 0.0419
09:01-10:00, Mon., 13 Apr. 0.0492 0.0406 0.0454
08:01-09:00, Mon., 13 Apr. 0.0477 0.0402 0.0442
07:01-08:00, Mon., 13 Apr. 0.0493 0.0421 0.0459
06:01-07:00, Mon., 13 Apr. 0.0507 0.0421 0.0460
05:01-06:00, Mon., 13 Apr. 0.0470 0.0393 0.0432
04:01-05:00, Mon., 13 Apr. 0.0466 0.0386 0.0434
03:01-04:00, Mon., 13 Apr. 0.0459 0.0381 0.0426
02:01-03:00, Mon., 13 Apr. 0.0455 0.0382 0.0416
01:01-02:00, Mon., 13 Apr. 0.0413 0.0361 0.0386
00:01-01:00, Mon., 13 Apr. 0.0414 0.0355 0.0379