Measurement results by the hour (Hachioji) 12 Apr., 2021 - 18 Apr., 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., 18 Apr. 0.0319 0.0287 0.0303
22:01-23:00, Sun., 18 Apr. 0.0326 0.0282 0.0302
21:01-22:00, Sun., 18 Apr. 0.0320 0.0283 0.0301
20:01-21:00, Sun., 18 Apr. 0.0319 0.0280 0.0300
19:01-20:00, Sun., 18 Apr. 0.0320 0.0283 0.0301
18:01-19:00, Sun., 18 Apr. 0.0319 0.0283 0.0301
17:01-18:00, Sun., 18 Apr. 0.0321 0.0285 0.0301
16:01-17:00, Sun., 18 Apr. 0.0320 0.0281 0.0303
15:01-16:00, Sun., 18 Apr. 0.0323 0.0288 0.0305
14:01-15:00, Sun., 18 Apr. 0.0330 0.0284 0.0304
13:01-14:00, Sun., 18 Apr. 0.0326 0.0276 0.0306
12:01-13:00, Sun., 18 Apr. 0.0319 0.0289 0.0304
11:01-12:00, Sun., 18 Apr. 0.0321 0.0281 0.0301
10:01-11:00, Sun., 18 Apr. 0.0318 0.0281 0.0300
09:01-10:00, Sun., 18 Apr. 0.0321 0.0284 0.0301
08:01-09:00, Sun., 18 Apr. 0.0328 0.0283 0.0301
07:01-08:00, Sun., 18 Apr. 0.0319 0.0284 0.0299
06:01-07:00, Sun., 18 Apr. 0.0319 0.0272 0.0300
05:01-06:00, Sun., 18 Apr. 0.0319 0.0273 0.0298
04:01-05:00, Sun., 18 Apr. 0.0327 0.0277 0.0297
03:01-04:00, Sun., 18 Apr. 0.0316 0.0275 0.0295
02:01-03:00, Sun., 18 Apr. 0.0332 0.0273 0.0305
01:01-02:00, Sun., 18 Apr. 0.0362 0.0295 0.0331
00:01-01:00, Sun., 18 Apr. 0.0416 0.0349 0.0382
23:01-24:00, Sat., 17 Apr. 0.0425 0.0346 0.0379
22:01-23:00, Sat., 17 Apr. 0.0392 0.0332 0.0362
21:01-22:00, Sat., 17 Apr. 0.0406 0.0346 0.0376
20:01-21:00, Sat., 17 Apr. 0.0403 0.0343 0.0367
19:01-20:00, Sat., 17 Apr. 0.0397 0.0327 0.0352
18:01-19:00, Sat., 17 Apr. 0.0363 0.0310 0.0336
17:01-18:00, Sat., 17 Apr. 0.0349 0.0292 0.0316
16:01-17:00, Sat., 17 Apr. 0.0346 0.0301 0.0323
15:01-16:00, Sat., 17 Apr. 0.0337 0.0292 0.0320
14:01-15:00, Sat., 17 Apr. 0.0336 0.0301 0.0321
13:01-14:00, Sat., 17 Apr. 0.0327 0.0292 0.0312
12:01-13:00, Sat., 17 Apr. 0.0337 0.0293 0.0314
11:01-12:00, Sat., 17 Apr. 0.0354 0.0308 0.0331
10:01-11:00, Sat., 17 Apr. 0.0353 0.0310 0.0328
09:01-10:00, Sat., 17 Apr. 0.0354 0.0297 0.0321
08:01-09:00, Sat., 17 Apr. 0.0344 0.0303 0.0322
07:01-08:00, Sat., 17 Apr. 0.0332 0.0291 0.0309
06:01-07:00, Sat., 17 Apr. 0.0329 0.0292 0.0308
05:01-06:00, Sat., 17 Apr. 0.0338 0.0291 0.0309
04:01-05:00, Sat., 17 Apr. 0.0328 0.0289 0.0309
03:01-04:00, Sat., 17 Apr. 0.0336 0.0293 0.0309
02:01-03:00, Sat., 17 Apr. 0.0324 0.0280 0.0310
01:01-02:00, Sat., 17 Apr. 0.0329 0.0291 0.0314
00:01-01:00, Sat., 17 Apr. 0.0326 0.0274 0.0304
23:01-24:00, Fri., 16 Apr. 0.0320 0.0283 0.0302
22:01-23:00, Fri., 16 Apr. 0.0324 0.0287 0.0304
21:01-22:00, Fri., 16 Apr. 0.0322 0.0282 0.0303
20:01-21:00, Fri., 16 Apr. 0.0320 0.0281 0.0303
19:01-20:00, Fri., 16 Apr. 0.0320 0.0292 0.0304
18:01-19:00, Fri., 16 Apr. 0.0323 0.0284 0.0303
17:01-18:00, Fri., 16 Apr. 0.0322 0.0278 0.0302
16:01-17:00, Fri., 16 Apr. 0.0324 0.0282 0.0302
15:01-16:00, Fri., 16 Apr. 0.0326 0.0292 0.0309
14:01-15:00, Fri., 16 Apr. 0.0333 0.0296 0.0313
13:01-14:00, Fri., 16 Apr. 0.0332 0.0288 0.0316
12:01-13:00, Fri., 16 Apr. 0.0340 0.0282 0.0317
11:01-12:00, Fri., 16 Apr. 0.0338 0.0279 0.0306
10:01-11:00, Fri., 16 Apr. 0.0339 0.0288 0.0307
09:01-10:00, Fri., 16 Apr. 0.0334 0.0289 0.0310
08:01-09:00, Fri., 16 Apr. 0.0329 0.0282 0.0313
07:01-08:00, Fri., 16 Apr. 0.0338 0.0284 0.0315
06:01-07:00, Fri., 16 Apr. 0.0337 0.0298 0.0319
05:01-06:00, Fri., 16 Apr. 0.0348 0.0304 0.0319
04:01-05:00, Fri., 16 Apr. 0.0344 0.0297 0.0319
03:01-04:00, Fri., 16 Apr. 0.0336 0.0297 0.0313
02:01-03:00, Fri., 16 Apr. 0.0330 0.0292 0.0309
01:01-02:00, Fri., 16 Apr. 0.0322 0.0287 0.0303
00:01-01:00, Fri., 16 Apr. 0.0325 0.0281 0.0304
23:01-24:00, Thu., 15 Apr. 0.0330 0.0279 0.0303
22:01-23:00, Thu., 15 Apr. 0.0317 0.0288 0.0303
21:01-22:00, Thu., 15 Apr. 0.0318 0.0285 0.0304
20:01-21:00, Thu., 15 Apr. 0.0322 0.0285 0.0305
19:01-20:00, Thu., 15 Apr. 0.0319 0.0285 0.0303
18:01-19:00, Thu., 15 Apr. 0.0321 0.0288 0.0305
17:01-18:00, Thu., 15 Apr. 0.0319 0.0283 0.0303
16:01-17:00, Thu., 15 Apr. 0.0324 0.0280 0.0303
15:01-16:00, Thu., 15 Apr. 0.0324 0.0284 0.0303
14:01-15:00, Thu., 15 Apr. 0.0322 0.0281 0.0307
13:01-14:00, Thu., 15 Apr. 0.0329 0.0292 0.0306
12:01-13:00, Thu., 15 Apr. 0.0328 0.0283 0.0307
11:01-12:00, Thu., 15 Apr. 0.0324 0.0287 0.0305
10:01-11:00, Thu., 15 Apr. 0.0327 0.0290 0.0306
09:01-10:00, Thu., 15 Apr. 0.0328 0.0290 0.0306
08:01-09:00, Thu., 15 Apr. 0.0328 0.0288 0.0307
07:01-08:00, Thu., 15 Apr. 0.0331 0.0294 0.0307
06:01-07:00, Thu., 15 Apr. 0.0331 0.0280 0.0304
05:01-06:00, Thu., 15 Apr. 0.0330 0.0285 0.0307
04:01-05:00, Thu., 15 Apr. 0.0322 0.0287 0.0305
03:01-04:00, Thu., 15 Apr. 0.0329 0.0282 0.0303
02:01-03:00, Thu., 15 Apr. 0.0333 0.0291 0.0307
01:01-02:00, Thu., 15 Apr. 0.0322 0.0293 0.0307
00:01-01:00, Thu., 15 Apr. 0.0337 0.0289 0.0314
23:01-24:00, Wed., 14 Apr. 0.0363 0.0300 0.0333
22:01-23:00, Wed., 14 Apr. 0.0492 0.0343 0.0395
21:01-22:00, Wed., 14 Apr. 0.0528 0.0452 0.0488
20:01-21:00, Wed., 14 Apr. 0.0508 0.0390 0.0440
19:01-20:00, Wed., 14 Apr. 0.0480 0.0399 0.0436
18:01-19:00, Wed., 14 Apr. 0.0510 0.0407 0.0456
17:01-18:00, Wed., 14 Apr. 0.0459 0.0321 0.0364
16:01-17:00, Wed., 14 Apr. 0.0341 0.0295 0.0318
15:01-16:00, Wed., 14 Apr. 0.0335 0.0295 0.0315
14:01-15:00, Wed., 14 Apr. 0.0355 0.0296 0.0320
13:01-14:00, Wed., 14 Apr. 0.0335 0.0298 0.0318
12:01-13:00, Wed., 14 Apr. 0.0340 0.0302 0.0324
11:01-12:00, Wed., 14 Apr. 0.0354 0.0308 0.0331
10:01-11:00, Wed., 14 Apr. 0.0360 0.0316 0.0337
09:01-10:00, Wed., 14 Apr. 0.0368 0.0316 0.0346
08:01-09:00, Wed., 14 Apr. 0.0370 0.0324 0.0348
07:01-08:00, Wed., 14 Apr. 0.0372 0.0326 0.0348
06:01-07:00, Wed., 14 Apr. 0.0365 0.0307 0.0338
05:01-06:00, Wed., 14 Apr. 0.0345 0.0304 0.0320
04:01-05:00, Wed., 14 Apr. 0.0349 0.0298 0.0318
03:01-04:00, Wed., 14 Apr. 0.0327 0.0283 0.0308
02:01-03:00, Wed., 14 Apr. 0.0329 0.0287 0.0307
01:01-02:00, Wed., 14 Apr. 0.0328 0.0290 0.0306
00:01-01:00, Wed., 14 Apr. 0.0326 0.0281 0.0306
23:01-24:00, Tue., 13 Apr. 0.0328 0.0278 0.0306
22:01-23:00, Tue., 13 Apr. 0.0327 0.0287 0.0306
21:01-22:00, Tue., 13 Apr. 0.0322 0.0291 0.0305
20:01-21:00, Tue., 13 Apr. 0.0326 0.0292 0.0309
19:01-20:00, Tue., 13 Apr. 0.0332 0.0282 0.0308
18:01-19:00, Tue., 13 Apr. 0.0327 0.0280 0.0303
17:01-18:00, Tue., 13 Apr. 0.0321 0.0280 0.0304
16:01-17:00, Tue., 13 Apr. 0.0328 0.0288 0.0305
15:01-16:00, Tue., 13 Apr. 0.0323 0.0282 0.0306
14:01-15:00, Tue., 13 Apr. 0.0327 0.0286 0.0307
13:01-14:00, Tue., 13 Apr. 0.0324 0.0289 0.0308
12:01-13:00, Tue., 13 Apr. 0.0332 0.0288 0.0307
11:01-12:00, Tue., 13 Apr. 0.0328 0.0287 0.0308
10:01-11:00, Tue., 13 Apr. 0.0327 0.0292 0.0309
09:01-10:00, Tue., 13 Apr. 0.0343 0.0299 0.0322
08:01-09:00, Tue., 13 Apr. 0.0338 0.0289 0.0316
07:01-08:00, Tue., 13 Apr. 0.0344 0.0289 0.0317
06:01-07:00, Tue., 13 Apr. 0.0329 0.0280 0.0311
05:01-06:00, Tue., 13 Apr. 0.0329 0.0293 0.0310
04:01-05:00, Tue., 13 Apr. 0.0327 0.0284 0.0308
03:01-04:00, Tue., 13 Apr. 0.0327 0.0289 0.0305
02:01-03:00, Tue., 13 Apr. 0.0327 0.0289 0.0307
01:01-02:00, Tue., 13 Apr. 0.0330 0.0281 0.0305
00:01-01:00, Tue., 13 Apr. 0.0326 0.0288 0.0305
23:01-24:00, Mon., 12 Apr. 0.0325 0.0281 0.0304
22:01-23:00, Mon., 12 Apr. 0.0322 0.0280 0.0302
21:01-22:00, Mon., 12 Apr. 0.0331 0.0281 0.0303
20:01-21:00, Mon., 12 Apr. 0.0326 0.0284 0.0303
19:01-20:00, Mon., 12 Apr. 0.0327 0.0285 0.0306
18:01-19:00, Mon., 12 Apr. 0.0331 0.0279 0.0303
17:01-18:00, Mon., 12 Apr. 0.0325 0.0287 0.0305
16:01-17:00, Mon., 12 Apr. 0.0320 0.0287 0.0306
15:01-16:00, Mon., 12 Apr. 0.0322 0.0293 0.0307
14:01-15:00, Mon., 12 Apr. 0.0334 0.0281 0.0308
13:01-14:00, Mon., 12 Apr. 0.0326 0.0289 0.0305
12:01-13:00, Mon., 12 Apr. 0.0329 0.0292 0.0307
11:01-12:00, Mon., 12 Apr. 0.0328 0.0287 0.0308
10:01-11:00, Mon., 12 Apr. 0.0323 0.0282 0.0307
09:01-10:00, Mon., 12 Apr. 0.0330 0.0294 0.0312
08:01-09:00, Mon., 12 Apr. 0.0334 0.0284 0.0313
07:01-08:00, Mon., 12 Apr. 0.0344 0.0305 0.0320
06:01-07:00, Mon., 12 Apr. 0.0342 0.0301 0.0321
05:01-06:00, Mon., 12 Apr. 0.0342 0.0305 0.0320
04:01-05:00, Mon., 12 Apr. 0.0337 0.0290 0.0317
03:01-04:00, Mon., 12 Apr. 0.0334 0.0295 0.0315
02:01-03:00, Mon., 12 Apr. 0.0343 0.0294 0.0311
01:01-02:00, Mon., 12 Apr. 0.0339 0.0287 0.0312
00:01-01:00, Mon., 12 Apr. 0.0326 0.0283 0.0307