Measurement results by the hour (Hachioji) 23 Mar., 2020 - 29 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., 29 Mar. 0.0305 0.0260 0.0277
22:01-23:00, Sun., 29 Mar. 0.0294 0.0251 0.0273
21:01-22:00, Sun., 29 Mar. 0.0294 0.0251 0.0272
20:01-21:00, Sun., 29 Mar. 0.0288 0.0254 0.0270
19:01-20:00, Sun., 29 Mar. 0.0285 0.0248 0.0266
18:01-19:00, Sun., 29 Mar. 0.0285 0.0245 0.0265
17:01-18:00, Sun., 29 Mar. 0.0282 0.0245 0.0261
16:01-17:00, Sun., 29 Mar. 0.0278 0.0240 0.0262
15:01-16:00, Sun., 29 Mar. 0.0287 0.0244 0.0265
14:01-15:00, Sun., 29 Mar. 0.0323 0.0264 0.0292
13:01-14:00, Sun., 29 Mar. 0.0395 0.0310 0.0348
12:01-13:00, Sun., 29 Mar. 0.0409 0.0347 0.0376
11:01-12:00, Sun., 29 Mar. 0.0448 0.0363 0.0402
10:01-11:00, Sun., 29 Mar. 0.0479 0.0382 0.0427
09:01-10:00, Sun., 29 Mar. 0.0466 0.0393 0.0430
08:01-09:00, Sun., 29 Mar. 0.0502 0.0423 0.0463
07:01-08:00, Sun., 29 Mar. 0.0539 0.0469 0.0504
06:01-07:00, Sun., 29 Mar. 0.0515 0.0446 0.0479
05:01-06:00, Sun., 29 Mar. 0.0507 0.0450 0.0474
04:01-05:00, Sun., 29 Mar. 0.0533 0.0438 0.0483
03:01-04:00, Sun., 29 Mar. 0.0544 0.0478 0.0508
02:01-03:00, Sun., 29 Mar. 0.0560 0.0472 0.0511
01:01-02:00, Sun., 29 Mar. 0.0561 0.0478 0.0514
00:01-01:00, Sun., 29 Mar. 0.0588 0.0485 0.0540
23:01-24:00, Sat., 28 Mar. 0.0550 0.0462 0.0514
22:01-23:00, Sat., 28 Mar. 0.0521 0.0418 0.0468
21:01-22:00, Sat., 28 Mar. 0.0440 0.0367 0.0408
20:01-21:00, Sat., 28 Mar. 0.0425 0.0346 0.0378
19:01-20:00, Sat., 28 Mar. 0.0384 0.0336 0.0360
18:01-19:00, Sat., 28 Mar. 0.0387 0.0334 0.0353
17:01-18:00, Sat., 28 Mar. 0.0370 0.0314 0.0347
16:01-17:00, Sat., 28 Mar. 0.0354 0.0312 0.0332
15:01-16:00, Sat., 28 Mar. 0.0368 0.0312 0.0339
14:01-15:00, Sat., 28 Mar. 0.0332 0.0293 0.0312
13:01-14:00, Sat., 28 Mar. 0.0335 0.0293 0.0314
12:01-13:00, Sat., 28 Mar. 0.0337 0.0298 0.0316
11:01-12:00, Sat., 28 Mar. 0.0337 0.0295 0.0318
10:01-11:00, Sat., 28 Mar. 0.0335 0.0299 0.0318
09:01-10:00, Sat., 28 Mar. 0.0346 0.0302 0.0322
08:01-09:00, Sat., 28 Mar. 0.0340 0.0299 0.0321
07:01-08:00, Sat., 28 Mar. 0.0338 0.0296 0.0318
06:01-07:00, Sat., 28 Mar. 0.0345 0.0297 0.0316
05:01-06:00, Sat., 28 Mar. 0.0320 0.0285 0.0305
04:01-05:00, Sat., 28 Mar. 0.0331 0.0291 0.0308
03:01-04:00, Sat., 28 Mar. 0.0327 0.0291 0.0307
02:01-03:00, Sat., 28 Mar. 0.0336 0.0291 0.0308
01:01-02:00, Sat., 28 Mar. 0.0325 0.0289 0.0307
00:01-01:00, Sat., 28 Mar. 0.0329 0.0272 0.0306
23:01-24:00, Fri., 27 Mar. 0.0326 0.0292 0.0311
22:01-23:00, Fri., 27 Mar. 0.0329 0.0290 0.0312
21:01-22:00, Fri., 27 Mar. 0.0337 0.0289 0.0307
20:01-21:00, Fri., 27 Mar. 0.0329 0.0287 0.0308
19:01-20:00, Fri., 27 Mar. 0.0337 0.0284 0.0310
18:01-19:00, Fri., 27 Mar. 0.0333 0.0285 0.0308
17:01-18:00, Fri., 27 Mar. 0.0328 0.0290 0.0309
16:01-17:00, Fri., 27 Mar. 0.0328 0.0288 0.0307
15:01-16:00, Fri., 27 Mar. 0.0325 0.0293 0.0309
14:01-15:00, Fri., 27 Mar. 0.0337 0.0291 0.0309
13:01-14:00, Fri., 27 Mar. 0.0334 0.0295 0.0310
12:01-13:00, Fri., 27 Mar. 0.0323 0.0285 0.0309
11:01-12:00, Fri., 27 Mar. 0.0329 0.0300 0.0313
10:01-11:00, Fri., 27 Mar. 0.0340 0.0297 0.0318
09:01-10:00, Fri., 27 Mar. 0.0344 0.0304 0.0322
08:01-09:00, Fri., 27 Mar. 0.0342 0.0298 0.0323
07:01-08:00, Fri., 27 Mar. 0.0342 0.0299 0.0323
06:01-07:00, Fri., 27 Mar. 0.0342 0.0291 0.0320
05:01-06:00, Fri., 27 Mar. 0.0337 0.0302 0.0322
04:01-05:00, Fri., 27 Mar. 0.0340 0.0298 0.0319
03:01-04:00, Fri., 27 Mar. 0.0341 0.0301 0.0318
02:01-03:00, Fri., 27 Mar. 0.0341 0.0296 0.0319
01:01-02:00, Fri., 27 Mar. 0.0341 0.0297 0.0317
00:01-01:00, Fri., 27 Mar. 0.0341 0.0297 0.0322
23:01-24:00, Thu., 26 Mar. 0.0336 0.0301 0.0320
22:01-23:00, Thu., 26 Mar. 0.0334 0.0301 0.0317
21:01-22:00, Thu., 26 Mar. 0.0336 0.0284 0.0313
20:01-21:00, Thu., 26 Mar. 0.0334 0.0286 0.0312
19:01-20:00, Thu., 26 Mar. 0.0330 0.0293 0.0310
18:01-19:00, Thu., 26 Mar. 0.0326 0.0299 0.0311
17:01-18:00, Thu., 26 Mar. 0.0330 0.0293 0.0310
16:01-17:00, Thu., 26 Mar. 0.0339 0.0296 0.0313
15:01-16:00, Thu., 26 Mar. 0.0330 0.0292 0.0312
14:01-15:00, Thu., 26 Mar. 0.0334 0.0292 0.0312
13:01-14:00, Thu., 26 Mar. 0.0331 0.0293 0.0313
12:01-13:00, Thu., 26 Mar. 0.0337 0.0294 0.0316
11:01-12:00, Thu., 26 Mar. 0.0333 0.0299 0.0316
10:01-11:00, Thu., 26 Mar. 0.0345 0.0296 0.0316
09:01-10:00, Thu., 26 Mar. 0.0344 0.0299 0.0320
08:01-09:00, Thu., 26 Mar. 0.0345 0.0300 0.0325
07:01-08:00, Thu., 26 Mar. 0.0358 0.0299 0.0329
06:01-07:00, Thu., 26 Mar. 0.0350 0.0308 0.0324
05:01-06:00, Thu., 26 Mar. 0.0344 0.0302 0.0324
04:01-05:00, Thu., 26 Mar. 0.0336 0.0303 0.0319
03:01-04:00, Thu., 26 Mar. 0.0342 0.0294 0.0320
02:01-03:00, Thu., 26 Mar. 0.0344 0.0294 0.0322
01:01-02:00, Thu., 26 Mar. 0.0336 0.0295 0.0321
00:01-01:00, Thu., 26 Mar. 0.0343 0.0296 0.0316
23:01-24:00, Wed., 25 Mar. 0.0337 0.0301 0.0316
22:01-23:00, Wed., 25 Mar. 0.0341 0.0299 0.0315
21:01-22:00, Wed., 25 Mar. 0.0342 0.0296 0.0313
20:01-21:00, Wed., 25 Mar. 0.0333 0.0286 0.0307
19:01-20:00, Wed., 25 Mar. 0.0328 0.0287 0.0307
18:01-19:00, Wed., 25 Mar. 0.0336 0.0289 0.0309
17:01-18:00, Wed., 25 Mar. 0.0330 0.0291 0.0307
16:01-17:00, Wed., 25 Mar. 0.0332 0.0284 0.0310
15:01-16:00, Wed., 25 Mar. 0.0330 0.0293 0.0311
14:01-15:00, Wed., 25 Mar. 0.0332 0.0289 0.0312
13:01-14:00, Wed., 25 Mar. 0.0334 0.0295 0.0311
12:01-13:00, Wed., 25 Mar. 0.0336 0.0294 0.0314
11:01-12:00, Wed., 25 Mar. 0.0333 0.0284 0.0309
10:01-11:00, Wed., 25 Mar. 0.0325 0.0285 0.0310
09:01-10:00, Wed., 25 Mar. 0.0330 0.0292 0.0312
08:01-09:00, Wed., 25 Mar. 0.0333 0.0292 0.0318
07:01-08:00, Wed., 25 Mar. 0.0344 0.0301 0.0325
06:01-07:00, Wed., 25 Mar. 0.0346 0.0309 0.0326
05:01-06:00, Wed., 25 Mar. 0.0348 0.0305 0.0324
04:01-05:00, Wed., 25 Mar. 0.0353 0.0302 0.0322
03:01-04:00, Wed., 25 Mar. 0.0350 0.0297 0.0322
02:01-03:00, Wed., 25 Mar. 0.0340 0.0299 0.0320
01:01-02:00, Wed., 25 Mar. 0.0334 0.0297 0.0318
00:01-01:00, Wed., 25 Mar. 0.0329 0.0291 0.0313
23:01-24:00, Tue., 24 Mar. 0.0336 0.0289 0.0313
22:01-23:00, Tue., 24 Mar. 0.0323 0.0289 0.0307
21:01-22:00, Tue., 24 Mar. 0.0334 0.0291 0.0310
20:01-21:00, Tue., 24 Mar. 0.0327 0.0291 0.0308
19:01-20:00, Tue., 24 Mar. 0.0326 0.0291 0.0307
18:01-19:00, Tue., 24 Mar. 0.0334 0.0289 0.0309
17:01-18:00, Tue., 24 Mar. 0.0331 0.0288 0.0308
16:01-17:00, Tue., 24 Mar. 0.0332 0.0288 0.0311
15:01-16:00, Tue., 24 Mar. 0.0329 0.0280 0.0312
14:01-15:00, Tue., 24 Mar. 0.0334 0.0292 0.0310
13:01-14:00, Tue., 24 Mar. 0.0341 0.0290 0.0313
12:01-13:00, Tue., 24 Mar. 0.0337 0.0289 0.0311
11:01-12:00, Tue., 24 Mar. 0.0334 0.0292 0.0312
10:01-11:00, Tue., 24 Mar. 0.0328 0.0281 0.0310
09:01-10:00, Tue., 24 Mar. 0.0335 0.0289 0.0310
08:01-09:00, Tue., 24 Mar. 0.0327 0.0284 0.0308
07:01-08:00, Tue., 24 Mar. 0.0339 0.0297 0.0311
06:01-07:00, Tue., 24 Mar. 0.0333 0.0289 0.0312
05:01-06:00, Tue., 24 Mar. 0.0336 0.0284 0.0310
04:01-05:00, Tue., 24 Mar. 0.0334 0.0295 0.0313
03:01-04:00, Tue., 24 Mar. 0.0329 0.0291 0.0311
02:01-03:00, Tue., 24 Mar. 0.0331 0.0285 0.0310
01:01-02:00, Tue., 24 Mar. 0.0339 0.0289 0.0315
00:01-01:00, Tue., 24 Mar. 0.0333 0.0287 0.0311
23:01-24:00, Mon., 23 Mar. 0.0338 0.0287 0.0309
22:01-23:00, Mon., 23 Mar. 0.0336 0.0286 0.0309
21:01-22:00, Mon., 23 Mar. 0.0332 0.0286 0.0308
20:01-21:00, Mon., 23 Mar. 0.0329 0.0290 0.0307
19:01-20:00, Mon., 23 Mar. 0.0340 0.0279 0.0306
18:01-19:00, Mon., 23 Mar. 0.0330 0.0292 0.0309
17:01-18:00, Mon., 23 Mar. 0.0330 0.0285 0.0312
16:01-17:00, Mon., 23 Mar. 0.0324 0.0290 0.0310
15:01-16:00, Mon., 23 Mar. 0.0337 0.0290 0.0311
14:01-15:00, Mon., 23 Mar. 0.0334 0.0290 0.0309
13:01-14:00, Mon., 23 Mar. 0.0331 0.0292 0.0313
12:01-13:00, Mon., 23 Mar. 0.0331 0.0293 0.0312
11:01-12:00, Mon., 23 Mar. 0.0333 0.0294 0.0314
10:01-11:00, Mon., 23 Mar. 0.0335 0.0303 0.0320
09:01-10:00, Mon., 23 Mar. 0.0345 0.0300 0.0326
08:01-09:00, Mon., 23 Mar. 0.0331 0.0291 0.0312
07:01-08:00, Mon., 23 Mar. 0.0330 0.0293 0.0312
06:01-07:00, Mon., 23 Mar. 0.0334 0.0292 0.0314
05:01-06:00, Mon., 23 Mar. 0.0331 0.0297 0.0312
04:01-05:00, Mon., 23 Mar. 0.0333 0.0297 0.0313
03:01-04:00, Mon., 23 Mar. 0.0331 0.0298 0.0312
02:01-03:00, Mon., 23 Mar. 0.0329 0.0294 0.0313
01:01-02:00, Mon., 23 Mar. 0.0335 0.0293 0.0312
00:01-01:00, Mon., 23 Mar. 0.0335 0.0300 0.0315