Measurement results by the hour (Hachioji) 14 Feb., 2022 - 20 Feb., 2022

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., 20 Feb. 0.0330 0.0286 0.0307
22:01-23:00, Sun., 20 Feb. 0.0327 0.0278 0.0304
21:01-22:00, Sun., 20 Feb. 0.0322 0.0286 0.0305
20:01-21:00, Sun., 20 Feb. 0.0325 0.0286 0.0304
19:01-20:00, Sun., 20 Feb. 0.0335 0.0292 0.0312
18:01-19:00, Sun., 20 Feb. 0.0353 0.0307 0.0327
17:01-18:00, Sun., 20 Feb. 0.0373 0.0338 0.0353
16:01-17:00, Sun., 20 Feb. 0.0445 0.0346 0.0388
15:01-16:00, Sun., 20 Feb. 0.0467 0.0297 0.0397
14:01-15:00, Sun., 20 Feb. 0.0326 0.0280 0.0302
13:01-14:00, Sun., 20 Feb. 0.0322 0.0285 0.0302
12:01-13:00, Sun., 20 Feb. 0.0323 0.0284 0.0302
11:01-12:00, Sun., 20 Feb. 0.0326 0.0276 0.0303
10:01-11:00, Sun., 20 Feb. 0.0334 0.0290 0.0312
09:01-10:00, Sun., 20 Feb. 0.0357 0.0299 0.0330
08:01-09:00, Sun., 20 Feb. 0.0465 0.0351 0.0392
07:01-08:00, Sun., 20 Feb. 0.0495 0.0416 0.0453
06:01-07:00, Sun., 20 Feb. 0.0488 0.0393 0.0438
05:01-06:00, Sun., 20 Feb. 0.0434 0.0295 0.0351
04:01-05:00, Sun., 20 Feb. 0.0331 0.0292 0.0310
03:01-04:00, Sun., 20 Feb. 0.0345 0.0292 0.0320
02:01-03:00, Sun., 20 Feb. 0.0391 0.0322 0.0343
01:01-02:00, Sun., 20 Feb. 0.0439 0.0357 0.0393
00:01-01:00, Sun., 20 Feb. 0.0424 0.0359 0.0390
23:01-24:00, Sat., 19 Feb. 0.0422 0.0356 0.0385
22:01-23:00, Sat., 19 Feb. 0.0400 0.0337 0.0365
21:01-22:00, Sat., 19 Feb. 0.0382 0.0337 0.0357
20:01-21:00, Sat., 19 Feb. 0.0376 0.0338 0.0356
19:01-20:00, Sat., 19 Feb. 0.0370 0.0334 0.0353
18:01-19:00, Sat., 19 Feb. 0.0352 0.0309 0.0331
17:01-18:00, Sat., 19 Feb. 0.0331 0.0289 0.0311
16:01-17:00, Sat., 19 Feb. 0.0330 0.0293 0.0312
15:01-16:00, Sat., 19 Feb. 0.0322 0.0276 0.0305
14:01-15:00, Sat., 19 Feb. 0.0328 0.0288 0.0306
13:01-14:00, Sat., 19 Feb. 0.0331 0.0281 0.0304
12:01-13:00, Sat., 19 Feb. 0.0326 0.0286 0.0302
11:01-12:00, Sat., 19 Feb. 0.0323 0.0273 0.0304
10:01-11:00, Sat., 19 Feb. 0.0325 0.0285 0.0304
09:01-10:00, Sat., 19 Feb. 0.0340 0.0289 0.0308
08:01-09:00, Sat., 19 Feb. 0.0334 0.0291 0.0312
07:01-08:00, Sat., 19 Feb. 0.0333 0.0292 0.0312
06:01-07:00, Sat., 19 Feb. 0.0330 0.0295 0.0316
05:01-06:00, Sat., 19 Feb. 0.0333 0.0293 0.0310
04:01-05:00, Sat., 19 Feb. 0.0323 0.0278 0.0303
03:01-04:00, Sat., 19 Feb. 0.0324 0.0285 0.0302
02:01-03:00, Sat., 19 Feb. 0.0314 0.0286 0.0299
01:01-02:00, Sat., 19 Feb. 0.0320 0.0281 0.0301
00:01-01:00, Sat., 19 Feb. 0.0325 0.0283 0.0300
23:01-24:00, Fri., 18 Feb. 0.0323 0.0281 0.0303
22:01-23:00, Fri., 18 Feb. 0.0328 0.0281 0.0305
21:01-22:00, Fri., 18 Feb. 0.0321 0.0277 0.0297
20:01-21:00, Fri., 18 Feb. 0.0312 0.0275 0.0294
19:01-20:00, Fri., 18 Feb. 0.0317 0.0274 0.0295
18:01-19:00, Fri., 18 Feb. 0.0313 0.0275 0.0296
17:01-18:00, Fri., 18 Feb. 0.0317 0.0278 0.0297
16:01-17:00, Fri., 18 Feb. 0.0316 0.0277 0.0299
15:01-16:00, Fri., 18 Feb. 0.0320 0.0279 0.0297
14:01-15:00, Fri., 18 Feb. 0.0321 0.0284 0.0299
13:01-14:00, Fri., 18 Feb. 0.0320 0.0283 0.0300
12:01-13:00, Fri., 18 Feb. 0.0326 0.0274 0.0300
11:01-12:00, Fri., 18 Feb. 0.0316 0.0281 0.0298
10:01-11:00, Fri., 18 Feb. 0.0318 0.0278 0.0300
09:01-10:00, Fri., 18 Feb. 0.0318 0.0280 0.0297
08:01-09:00, Fri., 18 Feb. 0.0331 0.0288 0.0304
07:01-08:00, Fri., 18 Feb. 0.0321 0.0285 0.0301
06:01-07:00, Fri., 18 Feb. 0.0320 0.0283 0.0300
05:01-06:00, Fri., 18 Feb. 0.0316 0.0284 0.0301
04:01-05:00, Fri., 18 Feb. 0.0316 0.0278 0.0300
03:01-04:00, Fri., 18 Feb. 0.0317 0.0285 0.0301
02:01-03:00, Fri., 18 Feb. 0.0319 0.0280 0.0297
01:01-02:00, Fri., 18 Feb. 0.0317 0.0284 0.0300
00:01-01:00, Fri., 18 Feb. 0.0326 0.0271 0.0297
23:01-24:00, Thu., 17 Feb. 0.0325 0.0280 0.0303
22:01-23:00, Thu., 17 Feb. 0.0333 0.0290 0.0308
21:01-22:00, Thu., 17 Feb. 0.0325 0.0283 0.0304
20:01-21:00, Thu., 17 Feb. 0.0327 0.0294 0.0306
19:01-20:00, Thu., 17 Feb. 0.0329 0.0290 0.0308
18:01-19:00, Thu., 17 Feb. 0.0327 0.0289 0.0310
17:01-18:00, Thu., 17 Feb. 0.0334 0.0292 0.0311
16:01-17:00, Thu., 17 Feb. 0.0332 0.0291 0.0312
15:01-16:00, Thu., 17 Feb. 0.0330 0.0286 0.0310
14:01-15:00, Thu., 17 Feb. 0.0331 0.0290 0.0308
13:01-14:00, Thu., 17 Feb. 0.0323 0.0288 0.0306
12:01-13:00, Thu., 17 Feb. 0.0325 0.0287 0.0305
11:01-12:00, Thu., 17 Feb. 0.0327 0.0286 0.0306
10:01-11:00, Thu., 17 Feb. 0.0327 0.0277 0.0302
09:01-10:00, Thu., 17 Feb. 0.0316 0.0275 0.0301
08:01-09:00, Thu., 17 Feb. 0.0324 0.0283 0.0303
07:01-08:00, Thu., 17 Feb. 0.0316 0.0271 0.0299
06:01-07:00, Thu., 17 Feb. 0.0323 0.0288 0.0302
05:01-06:00, Thu., 17 Feb. 0.0317 0.0278 0.0300
04:01-05:00, Thu., 17 Feb. 0.0323 0.0274 0.0298
03:01-04:00, Thu., 17 Feb. 0.0321 0.0279 0.0297
02:01-03:00, Thu., 17 Feb. 0.0318 0.0276 0.0298
01:01-02:00, Thu., 17 Feb. 0.0313 0.0279 0.0299
00:01-01:00, Thu., 17 Feb. 0.0323 0.0281 0.0299
23:01-24:00, Wed., 16 Feb. 0.0325 0.0278 0.0297
22:01-23:00, Wed., 16 Feb. 0.0317 0.0277 0.0299
21:01-22:00, Wed., 16 Feb. 0.0326 0.0285 0.0305
20:01-21:00, Wed., 16 Feb. 0.0366 0.0290 0.0333
19:01-20:00, Wed., 16 Feb. 0.0478 0.0354 0.0410
18:01-19:00, Wed., 16 Feb. 0.0485 0.0291 0.0370
17:01-18:00, Wed., 16 Feb. 0.0329 0.0277 0.0298
16:01-17:00, Wed., 16 Feb. 0.0327 0.0273 0.0301
15:01-16:00, Wed., 16 Feb. 0.0320 0.0274 0.0299
14:01-15:00, Wed., 16 Feb. 0.0316 0.0279 0.0299
13:01-14:00, Wed., 16 Feb. 0.0330 0.0285 0.0302
12:01-13:00, Wed., 16 Feb. 0.0321 0.0286 0.0301
11:01-12:00, Wed., 16 Feb. 0.0330 0.0281 0.0302
10:01-11:00, Wed., 16 Feb. 0.0326 0.0287 0.0303
09:01-10:00, Wed., 16 Feb. 0.0336 0.0291 0.0310
08:01-09:00, Wed., 16 Feb. 0.0336 0.0285 0.0310
07:01-08:00, Wed., 16 Feb. 0.0330 0.0288 0.0311
06:01-07:00, Wed., 16 Feb. 0.0341 0.0293 0.0313
05:01-06:00, Wed., 16 Feb. 0.0329 0.0292 0.0310
04:01-05:00, Wed., 16 Feb. 0.0333 0.0288 0.0310
03:01-04:00, Wed., 16 Feb. 0.0337 0.0291 0.0312
02:01-03:00, Wed., 16 Feb. 0.0341 0.0295 0.0317
01:01-02:00, Wed., 16 Feb. 0.0328 0.0295 0.0315
00:01-01:00, Wed., 16 Feb. 0.0335 0.0284 0.0312
23:01-24:00, Tue., 15 Feb. 0.0332 0.0295 0.0312
22:01-23:00, Tue., 15 Feb. 0.0326 0.0286 0.0305
21:01-22:00, Tue., 15 Feb. 0.0326 0.0281 0.0304
20:01-21:00, Tue., 15 Feb. 0.0321 0.0283 0.0303
19:01-20:00, Tue., 15 Feb. 0.0319 0.0281 0.0300
18:01-19:00, Tue., 15 Feb. 0.0323 0.0282 0.0298
17:01-18:00, Tue., 15 Feb. 0.0323 0.0286 0.0301
16:01-17:00, Tue., 15 Feb. 0.0317 0.0282 0.0301
15:01-16:00, Tue., 15 Feb. 0.0317 0.0275 0.0299
14:01-15:00, Tue., 15 Feb. 0.0320 0.0283 0.0301
13:01-14:00, Tue., 15 Feb. 0.0320 0.0282 0.0300
12:01-13:00, Tue., 15 Feb. 0.0320 0.0281 0.0299
11:01-12:00, Tue., 15 Feb. 0.0322 0.0282 0.0302
10:01-11:00, Tue., 15 Feb. 0.0321 0.0285 0.0304
09:01-10:00, Tue., 15 Feb. 0.0325 0.0282 0.0302
08:01-09:00, Tue., 15 Feb. 0.0322 0.0283 0.0303
07:01-08:00, Tue., 15 Feb. 0.0330 0.0284 0.0302
06:01-07:00, Tue., 15 Feb. 0.0326 0.0278 0.0304
05:01-06:00, Tue., 15 Feb. 0.0333 0.0284 0.0304
04:01-05:00, Tue., 15 Feb. 0.0318 0.0276 0.0301
03:01-04:00, Tue., 15 Feb. 0.0326 0.0284 0.0303
02:01-03:00, Tue., 15 Feb. 0.0321 0.0279 0.0300
01:01-02:00, Tue., 15 Feb. 0.0322 0.0279 0.0301
00:01-01:00, Tue., 15 Feb. 0.0320 0.0288 0.0303
23:01-24:00, Mon., 14 Feb. 0.0314 0.0282 0.0301
22:01-23:00, Mon., 14 Feb. 0.0320 0.0285 0.0305
21:01-22:00, Mon., 14 Feb. 0.0323 0.0289 0.0302
20:01-21:00, Mon., 14 Feb. 0.0327 0.0284 0.0303
19:01-20:00, Mon., 14 Feb. 0.0320 0.0280 0.0302
18:01-19:00, Mon., 14 Feb. 0.0317 0.0273 0.0298
17:01-18:00, Mon., 14 Feb. 0.0316 0.0278 0.0298
16:01-17:00, Mon., 14 Feb. 0.0320 0.0278 0.0300
15:01-16:00, Mon., 14 Feb. 0.0326 0.0286 0.0302
14:01-15:00, Mon., 14 Feb. 0.0324 0.0281 0.0301
13:01-14:00, Mon., 14 Feb. 0.0320 0.0279 0.0300
12:01-13:00, Mon., 14 Feb. 0.0326 0.0281 0.0302
11:01-12:00, Mon., 14 Feb. 0.0321 0.0279 0.0301
10:01-11:00, Mon., 14 Feb. 0.0316 0.0284 0.0301
09:01-10:00, Mon., 14 Feb. 0.0324 0.0281 0.0300
08:01-09:00, Mon., 14 Feb. 0.0326 0.0286 0.0309
07:01-08:00, Mon., 14 Feb. 0.0372 0.0308 0.0340
06:01-07:00, Mon., 14 Feb. 0.0384 0.0334 0.0359
05:01-06:00, Mon., 14 Feb. 0.0391 0.0345 0.0363
04:01-05:00, Mon., 14 Feb. 0.0429 0.0359 0.0384
03:01-04:00, Mon., 14 Feb. 0.0410 0.0357 0.0376
02:01-03:00, Mon., 14 Feb. 0.0396 0.0326 0.0357
01:01-02:00, Mon., 14 Feb. 0.0391 0.0325 0.0352
00:01-01:00, Mon., 14 Feb. 0.0471 0.0365 0.0418