Measurement results by the hour (Hachioji) 9 Mar., 2020 - 15 Mar., 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., 15 Mar. 0.0331 0.0278 0.0308
22:01-23:00, Sun., 15 Mar. 0.0330 0.0288 0.0308
21:01-22:00, Sun., 15 Mar. 0.0321 0.0283 0.0305
20:01-21:00, Sun., 15 Mar. 0.0322 0.0286 0.0305
19:01-20:00, Sun., 15 Mar. 0.0325 0.0280 0.0298
18:01-19:00, Sun., 15 Mar. 0.0320 0.0284 0.0300
17:01-18:00, Sun., 15 Mar. 0.0317 0.0289 0.0302
16:01-17:00, Sun., 15 Mar. 0.0321 0.0281 0.0301
15:01-16:00, Sun., 15 Mar. 0.0322 0.0287 0.0304
14:01-15:00, Sun., 15 Mar. 0.0323 0.0276 0.0301
13:01-14:00, Sun., 15 Mar. 0.0323 0.0280 0.0302
12:01-13:00, Sun., 15 Mar. 0.0332 0.0284 0.0302
11:01-12:00, Sun., 15 Mar. 0.0326 0.0290 0.0304
10:01-11:00, Sun., 15 Mar. 0.0324 0.0284 0.0302
09:01-10:00, Sun., 15 Mar. 0.0324 0.0280 0.0302
08:01-09:00, Sun., 15 Mar. 0.0330 0.0284 0.0312
07:01-08:00, Sun., 15 Mar. 0.0344 0.0298 0.0319
06:01-07:00, Sun., 15 Mar. 0.0340 0.0302 0.0318
05:01-06:00, Sun., 15 Mar. 0.0324 0.0289 0.0307
04:01-05:00, Sun., 15 Mar. 0.0324 0.0292 0.0308
03:01-04:00, Sun., 15 Mar. 0.0333 0.0289 0.0308
02:01-03:00, Sun., 15 Mar. 0.0328 0.0291 0.0306
01:01-02:00, Sun., 15 Mar. 0.0348 0.0283 0.0303
00:01-01:00, Sun., 15 Mar. 0.0320 0.0285 0.0304
23:01-24:00, Sat., 14 Mar. 0.0318 0.0284 0.0302
22:01-23:00, Sat., 14 Mar. 0.0322 0.0283 0.0304
21:01-22:00, Sat., 14 Mar. 0.0331 0.0287 0.0308
20:01-21:00, Sat., 14 Mar. 0.0357 0.0300 0.0326
19:01-20:00, Sat., 14 Mar. 0.0379 0.0322 0.0350
18:01-19:00, Sat., 14 Mar. 0.0423 0.0353 0.0378
17:01-18:00, Sat., 14 Mar. 0.0473 0.0368 0.0419
16:01-17:00, Sat., 14 Mar. 0.0485 0.0422 0.0451
15:01-16:00, Sat., 14 Mar. 0.0526 0.0433 0.0474
14:01-15:00, Sat., 14 Mar. 0.0535 0.0447 0.0495
13:01-14:00, Sat., 14 Mar. 0.0519 0.0428 0.0471
12:01-13:00, Sat., 14 Mar. 0.0474 0.0413 0.0443
11:01-12:00, Sat., 14 Mar. 0.0468 0.0402 0.0437
10:01-11:00, Sat., 14 Mar. 0.0500 0.0417 0.0460
09:01-10:00, Sat., 14 Mar. 0.0485 0.0408 0.0441
08:01-09:00, Sat., 14 Mar. 0.0467 0.0368 0.0424
07:01-08:00, Sat., 14 Mar. 0.0374 0.0288 0.0322
06:01-07:00, Sat., 14 Mar. 0.0326 0.0293 0.0307
05:01-06:00, Sat., 14 Mar. 0.0331 0.0283 0.0305
04:01-05:00, Sat., 14 Mar. 0.0328 0.0291 0.0304
03:01-04:00, Sat., 14 Mar. 0.0330 0.0298 0.0314
02:01-03:00, Sat., 14 Mar. 0.0350 0.0297 0.0315
01:01-02:00, Sat., 14 Mar. 0.0335 0.0296 0.0316
00:01-01:00, Sat., 14 Mar. 0.0339 0.0292 0.0313
23:01-24:00, Fri., 13 Mar. 0.0332 0.0293 0.0313
22:01-23:00, Fri., 13 Mar. 0.0327 0.0292 0.0310
21:01-22:00, Fri., 13 Mar. 0.0350 0.0289 0.0311
20:01-21:00, Fri., 13 Mar. 0.0333 0.0296 0.0313
19:01-20:00, Fri., 13 Mar. 0.0332 0.0292 0.0311
18:01-19:00, Fri., 13 Mar. 0.0329 0.0284 0.0307
17:01-18:00, Fri., 13 Mar. 0.0334 0.0287 0.0308
16:01-17:00, Fri., 13 Mar. 0.0328 0.0288 0.0306
15:01-16:00, Fri., 13 Mar. 0.0329 0.0282 0.0306
14:01-15:00, Fri., 13 Mar. 0.0329 0.0282 0.0307
13:01-14:00, Fri., 13 Mar. 0.0325 0.0285 0.0309
12:01-13:00, Fri., 13 Mar. 0.0335 0.0289 0.0307
11:01-12:00, Fri., 13 Mar. 0.0331 0.0290 0.0310
10:01-11:00, Fri., 13 Mar. 0.0336 0.0295 0.0312
09:01-10:00, Fri., 13 Mar. 0.0329 0.0287 0.0311
08:01-09:00, Fri., 13 Mar. 0.0338 0.0296 0.0312
07:01-08:00, Fri., 13 Mar. 0.0338 0.0300 0.0318
06:01-07:00, Fri., 13 Mar. 0.0330 0.0300 0.0318
05:01-06:00, Fri., 13 Mar. 0.0340 0.0302 0.0322
04:01-05:00, Fri., 13 Mar. 0.0337 0.0295 0.0320
03:01-04:00, Fri., 13 Mar. 0.0346 0.0296 0.0315
02:01-03:00, Fri., 13 Mar. 0.0336 0.0296 0.0314
01:01-02:00, Fri., 13 Mar. 0.0338 0.0295 0.0314
00:01-01:00, Fri., 13 Mar. 0.0335 0.0289 0.0306
23:01-24:00, Thu., 12 Mar. 0.0328 0.0288 0.0307
22:01-23:00, Thu., 12 Mar. 0.0336 0.0288 0.0305
21:01-22:00, Thu., 12 Mar. 0.0328 0.0285 0.0306
20:01-21:00, Thu., 12 Mar. 0.0321 0.0281 0.0304
19:01-20:00, Thu., 12 Mar. 0.0328 0.0277 0.0305
18:01-19:00, Thu., 12 Mar. 0.0323 0.0288 0.0306
17:01-18:00, Thu., 12 Mar. 0.0326 0.0285 0.0306
16:01-17:00, Thu., 12 Mar. 0.0336 0.0289 0.0307
15:01-16:00, Thu., 12 Mar. 0.0331 0.0284 0.0306
14:01-15:00, Thu., 12 Mar. 0.0331 0.0291 0.0306
13:01-14:00, Thu., 12 Mar. 0.0332 0.0286 0.0307
12:01-13:00, Thu., 12 Mar. 0.0334 0.0294 0.0312
11:01-12:00, Thu., 12 Mar. 0.0336 0.0286 0.0308
10:01-11:00, Thu., 12 Mar. 0.0329 0.0293 0.0311
09:01-10:00, Thu., 12 Mar. 0.0332 0.0289 0.0313
08:01-09:00, Thu., 12 Mar. 0.0327 0.0293 0.0311
07:01-08:00, Thu., 12 Mar. 0.0328 0.0296 0.0313
06:01-07:00, Thu., 12 Mar. 0.0327 0.0294 0.0308
05:01-06:00, Thu., 12 Mar. 0.0330 0.0287 0.0312
04:01-05:00, Thu., 12 Mar. 0.0332 0.0291 0.0309
03:01-04:00, Thu., 12 Mar. 0.0331 0.0287 0.0311
02:01-03:00, Thu., 12 Mar. 0.0335 0.0289 0.0312
01:01-02:00, Thu., 12 Mar. 0.0329 0.0287 0.0310
00:01-01:00, Thu., 12 Mar. 0.0323 0.0287 0.0309
23:01-24:00, Wed., 11 Mar. 0.0328 0.0295 0.0310
22:01-23:00, Wed., 11 Mar. 0.0333 0.0290 0.0310
21:01-22:00, Wed., 11 Mar. 0.0335 0.0291 0.0310
20:01-21:00, Wed., 11 Mar. 0.0326 0.0290 0.0308
19:01-20:00, Wed., 11 Mar. 0.0321 0.0288 0.0303
18:01-19:00, Wed., 11 Mar. 0.0323 0.0285 0.0302
17:01-18:00, Wed., 11 Mar. 0.0329 0.0273 0.0299
16:01-17:00, Wed., 11 Mar. 0.0321 0.0283 0.0302
15:01-16:00, Wed., 11 Mar. 0.0323 0.0283 0.0303
14:01-15:00, Wed., 11 Mar. 0.0324 0.0277 0.0300
13:01-14:00, Wed., 11 Mar. 0.0317 0.0280 0.0301
12:01-13:00, Wed., 11 Mar. 0.0333 0.0284 0.0303
11:01-12:00, Wed., 11 Mar. 0.0322 0.0276 0.0300
10:01-11:00, Wed., 11 Mar. 0.0324 0.0276 0.0301
09:01-10:00, Wed., 11 Mar. 0.0318 0.0278 0.0300
08:01-09:00, Wed., 11 Mar. 0.0328 0.0288 0.0304
07:01-08:00, Wed., 11 Mar. 0.0325 0.0283 0.0308
06:01-07:00, Wed., 11 Mar. 0.0327 0.0276 0.0306
05:01-06:00, Wed., 11 Mar. 0.0322 0.0277 0.0303
04:01-05:00, Wed., 11 Mar. 0.0322 0.0285 0.0304
03:01-04:00, Wed., 11 Mar. 0.0321 0.0290 0.0306
02:01-03:00, Wed., 11 Mar. 0.0322 0.0288 0.0306
01:01-02:00, Wed., 11 Mar. 0.0325 0.0284 0.0304
00:01-01:00, Wed., 11 Mar. 0.0329 0.0275 0.0300
23:01-24:00, Tue., 10 Mar. 0.0325 0.0276 0.0302
22:01-23:00, Tue., 10 Mar. 0.0325 0.0285 0.0304
21:01-22:00, Tue., 10 Mar. 0.0334 0.0282 0.0306
20:01-21:00, Tue., 10 Mar. 0.0368 0.0297 0.0331
19:01-20:00, Tue., 10 Mar. 0.0460 0.0345 0.0395
18:01-19:00, Tue., 10 Mar. 0.0474 0.0400 0.0437
17:01-18:00, Tue., 10 Mar. 0.0442 0.0372 0.0407
16:01-17:00, Tue., 10 Mar. 0.0417 0.0321 0.0354
15:01-16:00, Tue., 10 Mar. 0.0401 0.0328 0.0356
14:01-15:00, Tue., 10 Mar. 0.0420 0.0369 0.0394
13:01-14:00, Tue., 10 Mar. 0.0404 0.0337 0.0368
12:01-13:00, Tue., 10 Mar. 0.0363 0.0313 0.0339
11:01-12:00, Tue., 10 Mar. 0.0364 0.0319 0.0341
10:01-11:00, Tue., 10 Mar. 0.0363 0.0320 0.0336
09:01-10:00, Tue., 10 Mar. 0.0352 0.0307 0.0329
08:01-09:00, Tue., 10 Mar. 0.0342 0.0300 0.0318
07:01-08:00, Tue., 10 Mar. 0.0343 0.0300 0.0321
06:01-07:00, Tue., 10 Mar. 0.0338 0.0298 0.0313
05:01-06:00, Tue., 10 Mar. 0.0342 0.0294 0.0312
04:01-05:00, Tue., 10 Mar. 0.0328 0.0284 0.0308
03:01-04:00, Tue., 10 Mar. 0.0324 0.0279 0.0309
02:01-03:00, Tue., 10 Mar. 0.0327 0.0288 0.0307
01:01-02:00, Tue., 10 Mar. 0.0324 0.0291 0.0309
00:01-01:00, Tue., 10 Mar. 0.0327 0.0287 0.0303
23:01-24:00, Mon., 09 Mar. 0.0323 0.0284 0.0303
22:01-23:00, Mon., 09 Mar. 0.0324 0.0273 0.0304
21:01-22:00, Mon., 09 Mar. 0.0320 0.0276 0.0300
20:01-21:00, Mon., 09 Mar. 0.0324 0.0278 0.0297
19:01-20:00, Mon., 09 Mar. 0.0326 0.0281 0.0302
18:01-19:00, Mon., 09 Mar. 0.0315 0.0276 0.0298
17:01-18:00, Mon., 09 Mar. 0.0325 0.0277 0.0299
16:01-17:00, Mon., 09 Mar. 0.0316 0.0273 0.0301
15:01-16:00, Mon., 09 Mar. 0.0319 0.0282 0.0300
14:01-15:00, Mon., 09 Mar. 0.0328 0.0281 0.0301
13:01-14:00, Mon., 09 Mar. 0.0325 0.0281 0.0301
12:01-13:00, Mon., 09 Mar. 0.0327 0.0282 0.0304
11:01-12:00, Mon., 09 Mar. 0.0322 0.0287 0.0306
10:01-11:00, Mon., 09 Mar. 0.0327 0.0279 0.0305
09:01-10:00, Mon., 09 Mar. 0.0331 0.0292 0.0313
08:01-09:00, Mon., 09 Mar. 0.0328 0.0292 0.0313
07:01-08:00, Mon., 09 Mar. 0.0331 0.0293 0.0312
06:01-07:00, Mon., 09 Mar. 0.0336 0.0291 0.0312
05:01-06:00, Mon., 09 Mar. 0.0332 0.0292 0.0313
04:01-05:00, Mon., 09 Mar. 0.0327 0.0296 0.0311
03:01-04:00, Mon., 09 Mar. 0.0331 0.0287 0.0306
02:01-03:00, Mon., 09 Mar. 0.0324 0.0286 0.0305
01:01-02:00, Mon., 09 Mar. 0.0327 0.0280 0.0309
00:01-01:00, Mon., 09 Mar. 0.0328 0.0282 0.0308