Measurement results by the hour (Hachioji) 20 Apr., 2020 - 26 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., 26 Apr. 0.0337 0.0276 0.0309
22:01-23:00, Sun., 26 Apr. 0.0324 0.0290 0.0306
21:01-22:00, Sun., 26 Apr. 0.0326 0.0293 0.0309
20:01-21:00, Sun., 26 Apr. 0.0335 0.0288 0.0307
19:01-20:00, Sun., 26 Apr. 0.0331 0.0281 0.0306
18:01-19:00, Sun., 26 Apr. 0.0332 0.0290 0.0308
17:01-18:00, Sun., 26 Apr. 0.0333 0.0285 0.0307
16:01-17:00, Sun., 26 Apr. 0.0325 0.0271 0.0305
15:01-16:00, Sun., 26 Apr. 0.0327 0.0277 0.0305
14:01-15:00, Sun., 26 Apr. 0.0320 0.0289 0.0307
13:01-14:00, Sun., 26 Apr. 0.0344 0.0289 0.0308
12:01-13:00, Sun., 26 Apr. 0.0331 0.0282 0.0308
11:01-12:00, Sun., 26 Apr. 0.0330 0.0295 0.0309
10:01-11:00, Sun., 26 Apr. 0.0328 0.0290 0.0307
09:01-10:00, Sun., 26 Apr. 0.0330 0.0291 0.0307
08:01-09:00, Sun., 26 Apr. 0.0333 0.0281 0.0307
07:01-08:00, Sun., 26 Apr. 0.0326 0.0283 0.0310
06:01-07:00, Sun., 26 Apr. 0.0329 0.0288 0.0308
05:01-06:00, Sun., 26 Apr. 0.0337 0.0292 0.0306
04:01-05:00, Sun., 26 Apr. 0.0323 0.0293 0.0306
03:01-04:00, Sun., 26 Apr. 0.0325 0.0287 0.0304
02:01-03:00, Sun., 26 Apr. 0.0322 0.0287 0.0305
01:01-02:00, Sun., 26 Apr. 0.0327 0.0288 0.0308
00:01-01:00, Sun., 26 Apr. 0.0333 0.0287 0.0308
23:01-24:00, Sat., 25 Apr. 0.0327 0.0284 0.0306
22:01-23:00, Sat., 25 Apr. 0.0330 0.0284 0.0303
21:01-22:00, Sat., 25 Apr. 0.0329 0.0286 0.0306
20:01-21:00, Sat., 25 Apr. 0.0322 0.0281 0.0306
19:01-20:00, Sat., 25 Apr. 0.0327 0.0288 0.0307
18:01-19:00, Sat., 25 Apr. 0.0329 0.0285 0.0305
17:01-18:00, Sat., 25 Apr. 0.0339 0.0287 0.0307
16:01-17:00, Sat., 25 Apr. 0.0326 0.0293 0.0309
15:01-16:00, Sat., 25 Apr. 0.0324 0.0292 0.0307
14:01-15:00, Sat., 25 Apr. 0.0332 0.0287 0.0307
13:01-14:00, Sat., 25 Apr. 0.0339 0.0289 0.0305
12:01-13:00, Sat., 25 Apr. 0.0326 0.0289 0.0308
11:01-12:00, Sat., 25 Apr. 0.0329 0.0283 0.0308
10:01-11:00, Sat., 25 Apr. 0.0335 0.0283 0.0307
09:01-10:00, Sat., 25 Apr. 0.0332 0.0291 0.0311
08:01-09:00, Sat., 25 Apr. 0.0331 0.0289 0.0308
07:01-08:00, Sat., 25 Apr. 0.0334 0.0291 0.0311
06:01-07:00, Sat., 25 Apr. 0.0333 0.0289 0.0312
05:01-06:00, Sat., 25 Apr. 0.0340 0.0294 0.0313
04:01-05:00, Sat., 25 Apr. 0.0329 0.0287 0.0311
03:01-04:00, Sat., 25 Apr. 0.0324 0.0278 0.0307
02:01-03:00, Sat., 25 Apr. 0.0320 0.0290 0.0305
01:01-02:00, Sat., 25 Apr. 0.0335 0.0291 0.0310
00:01-01:00, Sat., 25 Apr. 0.0340 0.0286 0.0311
23:01-24:00, Fri., 24 Apr. 0.0339 0.0299 0.0316
22:01-23:00, Fri., 24 Apr. 0.0356 0.0306 0.0331
21:01-22:00, Fri., 24 Apr. 0.0348 0.0287 0.0313
20:01-21:00, Fri., 24 Apr. 0.0335 0.0287 0.0306
19:01-20:00, Fri., 24 Apr. 0.0332 0.0280 0.0305
18:01-19:00, Fri., 24 Apr. 0.0328 0.0284 0.0304
17:01-18:00, Fri., 24 Apr. 0.0324 0.0278 0.0307
16:01-17:00, Fri., 24 Apr. 0.0334 0.0294 0.0308
15:01-16:00, Fri., 24 Apr. 0.0323 0.0289 0.0304
14:01-15:00, Fri., 24 Apr. 0.0326 0.0282 0.0306
13:01-14:00, Fri., 24 Apr. 0.0328 0.0282 0.0306
12:01-13:00, Fri., 24 Apr. 0.0325 0.0285 0.0307
11:01-12:00, Fri., 24 Apr. 0.0327 0.0287 0.0309
10:01-11:00, Fri., 24 Apr. 0.0321 0.0287 0.0307
09:01-10:00, Fri., 24 Apr. 0.0332 0.0293 0.0312
08:01-09:00, Fri., 24 Apr. 0.0343 0.0289 0.0311
07:01-08:00, Fri., 24 Apr. 0.0336 0.0282 0.0316
06:01-07:00, Fri., 24 Apr. 0.0339 0.0298 0.0319
05:01-06:00, Fri., 24 Apr. 0.0342 0.0302 0.0320
04:01-05:00, Fri., 24 Apr. 0.0340 0.0291 0.0318
03:01-04:00, Fri., 24 Apr. 0.0338 0.0292 0.0316
02:01-03:00, Fri., 24 Apr. 0.0337 0.0296 0.0314
01:01-02:00, Fri., 24 Apr. 0.0329 0.0295 0.0310
00:01-01:00, Fri., 24 Apr. 0.0325 0.0292 0.0308
23:01-24:00, Thu., 23 Apr. 0.0325 0.0293 0.0308
22:01-23:00, Thu., 23 Apr. 0.0328 0.0287 0.0305
21:01-22:00, Thu., 23 Apr. 0.0338 0.0284 0.0309
20:01-21:00, Thu., 23 Apr. 0.0327 0.0292 0.0307
19:01-20:00, Thu., 23 Apr. 0.0324 0.0291 0.0307
18:01-19:00, Thu., 23 Apr. 0.0334 0.0293 0.0310
17:01-18:00, Thu., 23 Apr. 0.0358 0.0306 0.0330
16:01-17:00, Thu., 23 Apr. 0.0438 0.0327 0.0377
15:01-16:00, Thu., 23 Apr. 0.0459 0.0285 0.0369
14:01-15:00, Thu., 23 Apr. 0.0333 0.0284 0.0305
13:01-14:00, Thu., 23 Apr. 0.0326 0.0280 0.0305
12:01-13:00, Thu., 23 Apr. 0.0324 0.0291 0.0307
11:01-12:00, Thu., 23 Apr. 0.0333 0.0290 0.0308
10:01-11:00, Thu., 23 Apr. 0.0328 0.0284 0.0307
09:01-10:00, Thu., 23 Apr. 0.0332 0.0290 0.0310
08:01-09:00, Thu., 23 Apr. 0.0339 0.0287 0.0310
07:01-08:00, Thu., 23 Apr. 0.0324 0.0294 0.0308
06:01-07:00, Thu., 23 Apr. 0.0329 0.0286 0.0308
05:01-06:00, Thu., 23 Apr. 0.0333 0.0294 0.0312
04:01-05:00, Thu., 23 Apr. 0.0349 0.0303 0.0323
03:01-04:00, Thu., 23 Apr. 0.0367 0.0317 0.0346
02:01-03:00, Thu., 23 Apr. 0.0358 0.0292 0.0322
01:01-02:00, Thu., 23 Apr. 0.0329 0.0293 0.0311
00:01-01:00, Thu., 23 Apr. 0.0325 0.0290 0.0311
23:01-24:00, Wed., 22 Apr. 0.0334 0.0299 0.0315
22:01-23:00, Wed., 22 Apr. 0.0331 0.0284 0.0309
21:01-22:00, Wed., 22 Apr. 0.0332 0.0290 0.0308
20:01-21:00, Wed., 22 Apr. 0.0321 0.0289 0.0307
19:01-20:00, Wed., 22 Apr. 0.0323 0.0284 0.0304
18:01-19:00, Wed., 22 Apr. 0.0325 0.0284 0.0302
17:01-18:00, Wed., 22 Apr. 0.0326 0.0282 0.0307
16:01-17:00, Wed., 22 Apr. 0.0330 0.0284 0.0305
15:01-16:00, Wed., 22 Apr. 0.0328 0.0287 0.0308
14:01-15:00, Wed., 22 Apr. 0.0328 0.0289 0.0306
13:01-14:00, Wed., 22 Apr. 0.0330 0.0283 0.0306
12:01-13:00, Wed., 22 Apr. 0.0334 0.0281 0.0306
11:01-12:00, Wed., 22 Apr. 0.0318 0.0288 0.0303
10:01-11:00, Wed., 22 Apr. 0.0322 0.0278 0.0305
09:01-10:00, Wed., 22 Apr. 0.0331 0.0288 0.0307
08:01-09:00, Wed., 22 Apr. 0.0326 0.0284 0.0305
07:01-08:00, Wed., 22 Apr. 0.0332 0.0291 0.0307
06:01-07:00, Wed., 22 Apr. 0.0328 0.0285 0.0307
05:01-06:00, Wed., 22 Apr. 0.0327 0.0289 0.0306
04:01-05:00, Wed., 22 Apr. 0.0331 0.0290 0.0308
03:01-04:00, Wed., 22 Apr. 0.0327 0.0289 0.0307
02:01-03:00, Wed., 22 Apr. 0.0319 0.0282 0.0303
01:01-02:00, Wed., 22 Apr. 0.0320 0.0284 0.0304
00:01-01:00, Wed., 22 Apr. 0.0326 0.0281 0.0300
23:01-24:00, Tue., 21 Apr. 0.0321 0.0289 0.0304
22:01-23:00, Tue., 21 Apr. 0.0323 0.0279 0.0304
21:01-22:00, Tue., 21 Apr. 0.0325 0.0283 0.0304
20:01-21:00, Tue., 21 Apr. 0.0316 0.0284 0.0302
19:01-20:00, Tue., 21 Apr. 0.0319 0.0286 0.0302
18:01-19:00, Tue., 21 Apr. 0.0319 0.0280 0.0299
17:01-18:00, Tue., 21 Apr. 0.0322 0.0282 0.0301
16:01-17:00, Tue., 21 Apr. 0.0312 0.0280 0.0299
15:01-16:00, Tue., 21 Apr. 0.0321 0.0282 0.0301
14:01-15:00, Tue., 21 Apr. 0.0323 0.0281 0.0300
13:01-14:00, Tue., 21 Apr. 0.0324 0.0273 0.0298
12:01-13:00, Tue., 21 Apr. 0.0313 0.0276 0.0300
11:01-12:00, Tue., 21 Apr. 0.0320 0.0286 0.0299
10:01-11:00, Tue., 21 Apr. 0.0326 0.0275 0.0302
09:01-10:00, Tue., 21 Apr. 0.0327 0.0289 0.0305
08:01-09:00, Tue., 21 Apr. 0.0327 0.0281 0.0306
07:01-08:00, Tue., 21 Apr. 0.0325 0.0289 0.0306
06:01-07:00, Tue., 21 Apr. 0.0331 0.0287 0.0307
05:01-06:00, Tue., 21 Apr. 0.0327 0.0280 0.0306
04:01-05:00, Tue., 21 Apr. 0.0328 0.0285 0.0303
03:01-04:00, Tue., 21 Apr. 0.0322 0.0280 0.0299
02:01-03:00, Tue., 21 Apr. 0.0327 0.0277 0.0299
01:01-02:00, Tue., 21 Apr. 0.0316 0.0276 0.0299
00:01-01:00, Tue., 21 Apr. 0.0316 0.0282 0.0297
23:01-24:00, Mon., 20 Apr. 0.0318 0.0279 0.0299
22:01-23:00, Mon., 20 Apr. 0.0318 0.0277 0.0297
21:01-22:00, Mon., 20 Apr. 0.0313 0.0278 0.0294
20:01-21:00, Mon., 20 Apr. 0.0316 0.0271 0.0299
19:01-20:00, Mon., 20 Apr. 0.0313 0.0276 0.0295
18:01-19:00, Mon., 20 Apr. 0.0324 0.0279 0.0301
17:01-18:00, Mon., 20 Apr. 0.0336 0.0296 0.0317
16:01-17:00, Mon., 20 Apr. 0.0360 0.0306 0.0329
15:01-16:00, Mon., 20 Apr. 0.0369 0.0321 0.0350
14:01-15:00, Mon., 20 Apr. 0.0378 0.0324 0.0354
13:01-14:00, Mon., 20 Apr. 0.0387 0.0337 0.0364
12:01-13:00, Mon., 20 Apr. 0.0395 0.0343 0.0366
11:01-12:00, Mon., 20 Apr. 0.0389 0.0337 0.0359
10:01-11:00, Mon., 20 Apr. 0.0364 0.0320 0.0342
09:01-10:00, Mon., 20 Apr. 0.0405 0.0326 0.0353
08:01-09:00, Mon., 20 Apr. 0.0398 0.0330 0.0360
07:01-08:00, Mon., 20 Apr. 0.0369 0.0320 0.0343
06:01-07:00, Mon., 20 Apr. 0.0344 0.0302 0.0323
05:01-06:00, Mon., 20 Apr. 0.0355 0.0306 0.0326
04:01-05:00, Mon., 20 Apr. 0.0354 0.0300 0.0327
03:01-04:00, Mon., 20 Apr. 0.0364 0.0303 0.0330
02:01-03:00, Mon., 20 Apr. 0.0318 0.0273 0.0297
01:01-02:00, Mon., 20 Apr. 0.0316 0.0279 0.0296
00:01-01:00, Mon., 20 Apr. 0.0321 0.0279 0.0298