Measurement results by the hour (Hachioji) 7 Feb., 2022 - 13 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., 13 Feb. 0.0531 0.0441 0.0475
22:01-23:00, Sun., 13 Feb. 0.0502 0.0407 0.0447
21:01-22:00, Sun., 13 Feb. 0.0471 0.0405 0.0440
20:01-21:00, Sun., 13 Feb. 0.0445 0.0359 0.0396
19:01-20:00, Sun., 13 Feb. 0.0393 0.0349 0.0367
18:01-19:00, Sun., 13 Feb. 0.0372 0.0337 0.0359
17:01-18:00, Sun., 13 Feb. 0.0404 0.0347 0.0373
16:01-17:00, Sun., 13 Feb. 0.0418 0.0350 0.0373
15:01-16:00, Sun., 13 Feb. 0.0391 0.0340 0.0361
14:01-15:00, Sun., 13 Feb. 0.0380 0.0324 0.0350
13:01-14:00, Sun., 13 Feb. 0.0396 0.0324 0.0354
12:01-13:00, Sun., 13 Feb. 0.0374 0.0340 0.0361
11:01-12:00, Sun., 13 Feb. 0.0384 0.0316 0.0347
10:01-11:00, Sun., 13 Feb. 0.0348 0.0305 0.0327
09:01-10:00, Sun., 13 Feb. 0.0340 0.0303 0.0321
08:01-09:00, Sun., 13 Feb. 0.0335 0.0303 0.0320
07:01-08:00, Sun., 13 Feb. 0.0343 0.0299 0.0317
06:01-07:00, Sun., 13 Feb. 0.0332 0.0290 0.0314
05:01-06:00, Sun., 13 Feb. 0.0333 0.0284 0.0308
04:01-05:00, Sun., 13 Feb. 0.0329 0.0283 0.0310
03:01-04:00, Sun., 13 Feb. 0.0328 0.0295 0.0310
02:01-03:00, Sun., 13 Feb. 0.0329 0.0286 0.0308
01:01-02:00, Sun., 13 Feb. 0.0327 0.0286 0.0305
00:01-01:00, Sun., 13 Feb. 0.0327 0.0288 0.0307
23:01-24:00, Sat., 12 Feb. 0.0329 0.0276 0.0305
22:01-23:00, Sat., 12 Feb. 0.0329 0.0284 0.0303
21:01-22:00, Sat., 12 Feb. 0.0324 0.0280 0.0299
20:01-21:00, Sat., 12 Feb. 0.0316 0.0272 0.0296
19:01-20:00, Sat., 12 Feb. 0.0314 0.0274 0.0297
18:01-19:00, Sat., 12 Feb. 0.0314 0.0272 0.0294
17:01-18:00, Sat., 12 Feb. 0.0318 0.0280 0.0297
16:01-17:00, Sat., 12 Feb. 0.0316 0.0267 0.0297
15:01-16:00, Sat., 12 Feb. 0.0316 0.0278 0.0297
14:01-15:00, Sat., 12 Feb. 0.0315 0.0270 0.0300
13:01-14:00, Sat., 12 Feb. 0.0320 0.0281 0.0301
12:01-13:00, Sat., 12 Feb. 0.0325 0.0284 0.0301
11:01-12:00, Sat., 12 Feb. 0.0323 0.0283 0.0300
10:01-11:00, Sat., 12 Feb. 0.0325 0.0280 0.0300
09:01-10:00, Sat., 12 Feb. 0.0321 0.0282 0.0301
08:01-09:00, Sat., 12 Feb. 0.0322 0.0286 0.0306
07:01-08:00, Sat., 12 Feb. 0.0331 0.0290 0.0308
06:01-07:00, Sat., 12 Feb. 0.0339 0.0291 0.0309
05:01-06:00, Sat., 12 Feb. 0.0327 0.0281 0.0306
04:01-05:00, Sat., 12 Feb. 0.0318 0.0282 0.0300
03:01-04:00, Sat., 12 Feb. 0.0319 0.0280 0.0303
02:01-03:00, Sat., 12 Feb. 0.0332 0.0286 0.0304
01:01-02:00, Sat., 12 Feb. 0.0327 0.0282 0.0304
00:01-01:00, Sat., 12 Feb. 0.0320 0.0282 0.0299
23:01-24:00, Fri., 11 Feb. 0.0322 0.0287 0.0302
22:01-23:00, Fri., 11 Feb. 0.0318 0.0278 0.0299
21:01-22:00, Fri., 11 Feb. 0.0314 0.0275 0.0296
20:01-21:00, Fri., 11 Feb. 0.0329 0.0275 0.0299
19:01-20:00, Fri., 11 Feb. 0.0324 0.0281 0.0298
18:01-19:00, Fri., 11 Feb. 0.0308 0.0270 0.0293
17:01-18:00, Fri., 11 Feb. 0.0325 0.0279 0.0297
16:01-17:00, Fri., 11 Feb. 0.0321 0.0280 0.0296
15:01-16:00, Fri., 11 Feb. 0.0313 0.0273 0.0293
14:01-15:00, Fri., 11 Feb. 0.0313 0.0271 0.0295
13:01-14:00, Fri., 11 Feb. 0.0315 0.0277 0.0296
12:01-13:00, Fri., 11 Feb. 0.0316 0.0278 0.0298
11:01-12:00, Fri., 11 Feb. 0.0314 0.0280 0.0296
10:01-11:00, Fri., 11 Feb. 0.0315 0.0276 0.0296
09:01-10:00, Fri., 11 Feb. 0.0308 0.0275 0.0293
08:01-09:00, Fri., 11 Feb. 0.0311 0.0276 0.0293
07:01-08:00, Fri., 11 Feb. 0.0317 0.0270 0.0294
06:01-07:00, Fri., 11 Feb. 0.0318 0.0274 0.0293
05:01-06:00, Fri., 11 Feb. 0.0308 0.0272 0.0293
04:01-05:00, Fri., 11 Feb. 0.0311 0.0279 0.0293
03:01-04:00, Fri., 11 Feb. 0.0321 0.0277 0.0299
02:01-03:00, Fri., 11 Feb. 0.0327 0.0284 0.0308
01:01-02:00, Fri., 11 Feb. 0.0354 0.0305 0.0324
00:01-01:00, Fri., 11 Feb. 0.0364 0.0316 0.0337
23:01-24:00, Thu., 10 Feb. 0.0411 0.0347 0.0368
22:01-23:00, Thu., 10 Feb. 0.0392 0.0333 0.0362
21:01-22:00, Thu., 10 Feb. 0.0406 0.0347 0.0374
20:01-21:00, Thu., 10 Feb. 0.0382 0.0332 0.0353
19:01-20:00, Thu., 10 Feb. 0.0375 0.0332 0.0355
18:01-19:00, Thu., 10 Feb. 0.0397 0.0346 0.0366
17:01-18:00, Thu., 10 Feb. 0.0418 0.0353 0.0376
16:01-17:00, Thu., 10 Feb. 0.0405 0.0339 0.0364
15:01-16:00, Thu., 10 Feb. 0.0375 0.0328 0.0354
14:01-15:00, Thu., 10 Feb. 0.0423 0.0345 0.0378
13:01-14:00, Thu., 10 Feb. 0.0440 0.0361 0.0390
12:01-13:00, Thu., 10 Feb. 0.0414 0.0354 0.0375
11:01-12:00, Thu., 10 Feb. 0.0385 0.0337 0.0357
10:01-11:00, Thu., 10 Feb. 0.0373 0.0335 0.0353
09:01-10:00, Thu., 10 Feb. 0.0382 0.0337 0.0360
08:01-09:00, Thu., 10 Feb. 0.0390 0.0344 0.0358
07:01-08:00, Thu., 10 Feb. 0.0381 0.0340 0.0356
06:01-07:00, Thu., 10 Feb. 0.0390 0.0337 0.0359
05:01-06:00, Thu., 10 Feb. 0.0380 0.0325 0.0353
04:01-05:00, Thu., 10 Feb. 0.0360 0.0299 0.0327
03:01-04:00, Thu., 10 Feb. 0.0340 0.0304 0.0320
02:01-03:00, Thu., 10 Feb. 0.0351 0.0305 0.0321
01:01-02:00, Thu., 10 Feb. 0.0334 0.0297 0.0313
00:01-01:00, Thu., 10 Feb. 0.0335 0.0292 0.0315
23:01-24:00, Wed., 09 Feb. 0.0337 0.0293 0.0314
22:01-23:00, Wed., 09 Feb. 0.0328 0.0283 0.0309
21:01-22:00, Wed., 09 Feb. 0.0331 0.0278 0.0305
20:01-21:00, Wed., 09 Feb. 0.0326 0.0283 0.0304
19:01-20:00, Wed., 09 Feb. 0.0325 0.0282 0.0307
18:01-19:00, Wed., 09 Feb. 0.0331 0.0286 0.0307
17:01-18:00, Wed., 09 Feb. 0.0327 0.0276 0.0308
16:01-17:00, Wed., 09 Feb. 0.0328 0.0289 0.0308
15:01-16:00, Wed., 09 Feb. 0.0329 0.0288 0.0311
14:01-15:00, Wed., 09 Feb. 0.0332 0.0290 0.0309
13:01-14:00, Wed., 09 Feb. 0.0332 0.0287 0.0312
12:01-13:00, Wed., 09 Feb. 0.0333 0.0289 0.0310
11:01-12:00, Wed., 09 Feb. 0.0334 0.0286 0.0311
10:01-11:00, Wed., 09 Feb. 0.0331 0.0290 0.0312
09:01-10:00, Wed., 09 Feb. 0.0324 0.0290 0.0308
08:01-09:00, Wed., 09 Feb. 0.0336 0.0296 0.0311
07:01-08:00, Wed., 09 Feb. 0.0334 0.0290 0.0310
06:01-07:00, Wed., 09 Feb. 0.0343 0.0291 0.0318
05:01-06:00, Wed., 09 Feb. 0.0354 0.0307 0.0325
04:01-05:00, Wed., 09 Feb. 0.0348 0.0310 0.0328
03:01-04:00, Wed., 09 Feb. 0.0348 0.0305 0.0325
02:01-03:00, Wed., 09 Feb. 0.0353 0.0304 0.0324
01:01-02:00, Wed., 09 Feb. 0.0341 0.0301 0.0317
00:01-01:00, Wed., 09 Feb. 0.0334 0.0295 0.0314
23:01-24:00, Tue., 08 Feb. 0.0338 0.0298 0.0314
22:01-23:00, Tue., 08 Feb. 0.0341 0.0292 0.0314
21:01-22:00, Tue., 08 Feb. 0.0343 0.0295 0.0316
20:01-21:00, Tue., 08 Feb. 0.0339 0.0290 0.0318
19:01-20:00, Tue., 08 Feb. 0.0331 0.0296 0.0312
18:01-19:00, Tue., 08 Feb. 0.0328 0.0290 0.0306
17:01-18:00, Tue., 08 Feb. 0.0333 0.0291 0.0309
16:01-17:00, Tue., 08 Feb. 0.0327 0.0293 0.0311
15:01-16:00, Tue., 08 Feb. 0.0334 0.0289 0.0311
14:01-15:00, Tue., 08 Feb. 0.0336 0.0288 0.0310
13:01-14:00, Tue., 08 Feb. 0.0332 0.0294 0.0313
12:01-13:00, Tue., 08 Feb. 0.0332 0.0295 0.0312
11:01-12:00, Tue., 08 Feb. 0.0341 0.0295 0.0315
10:01-11:00, Tue., 08 Feb. 0.0336 0.0293 0.0316
09:01-10:00, Tue., 08 Feb. 0.0337 0.0292 0.0315
08:01-09:00, Tue., 08 Feb. 0.0340 0.0290 0.0316
07:01-08:00, Tue., 08 Feb. 0.0336 0.0296 0.0316
06:01-07:00, Tue., 08 Feb. 0.0344 0.0291 0.0315
05:01-06:00, Tue., 08 Feb. 0.0336 0.0302 0.0318
04:01-05:00, Tue., 08 Feb. 0.0349 0.0295 0.0323
03:01-04:00, Tue., 08 Feb. 0.0352 0.0305 0.0326
02:01-03:00, Tue., 08 Feb. 0.0343 0.0296 0.0324
01:01-02:00, Tue., 08 Feb. 0.0342 0.0301 0.0321
00:01-01:00, Tue., 08 Feb. 0.0342 0.0295 0.0314
23:01-24:00, Mon., 07 Feb. 0.0330 0.0281 0.0308
22:01-23:00, Mon., 07 Feb. 0.0333 0.0289 0.0308
21:01-22:00, Mon., 07 Feb. 0.0327 0.0290 0.0309
20:01-21:00, Mon., 07 Feb. 0.0331 0.0289 0.0306
19:01-20:00, Mon., 07 Feb. 0.0325 0.0284 0.0306
18:01-19:00, Mon., 07 Feb. 0.0331 0.0293 0.0307
17:01-18:00, Mon., 07 Feb. 0.0336 0.0289 0.0307
16:01-17:00, Mon., 07 Feb. 0.0332 0.0293 0.0308
15:01-16:00, Mon., 07 Feb. 0.0330 0.0286 0.0309
14:01-15:00, Mon., 07 Feb. 0.0327 0.0285 0.0308
13:01-14:00, Mon., 07 Feb. 0.0335 0.0293 0.0312
12:01-13:00, Mon., 07 Feb. 0.0330 0.0295 0.0311
11:01-12:00, Mon., 07 Feb. 0.0340 0.0298 0.0316
10:01-11:00, Mon., 07 Feb. 0.0340 0.0290 0.0318
09:01-10:00, Mon., 07 Feb. 0.0352 0.0299 0.0324
08:01-09:00, Mon., 07 Feb. 0.0340 0.0300 0.0325
07:01-08:00, Mon., 07 Feb. 0.0355 0.0302 0.0325
06:01-07:00, Mon., 07 Feb. 0.0357 0.0312 0.0331
05:01-06:00, Mon., 07 Feb. 0.0354 0.0311 0.0330
04:01-05:00, Mon., 07 Feb. 0.0352 0.0314 0.0331
03:01-04:00, Mon., 07 Feb. 0.0355 0.0311 0.0330
02:01-03:00, Mon., 07 Feb. 0.0352 0.0302 0.0326
01:01-02:00, Mon., 07 Feb. 0.0342 0.0307 0.0323
00:01-01:00, Mon., 07 Feb. 0.0342 0.0310 0.0323