Measurement results by the hour (Chofu) 2 Mar., 2015 - 8 Mar., 2015

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., 08 Mar. 0.0326 0.0280 0.0304
22:01-23:00, Sun., 08 Mar. 0.0325 0.0289 0.0304
21:01-22:00, Sun., 08 Mar. 0.0317 0.0279 0.0303
20:01-21:00, Sun., 08 Mar. 0.0321 0.0279 0.0301
19:01-20:00, Sun., 08 Mar. 0.0323 0.0275 0.0303
18:01-19:00, Sun., 08 Mar. 0.0322 0.0282 0.0302
17:01-18:00, Sun., 08 Mar. 0.0327 0.0284 0.0304
16:01-17:00, Sun., 08 Mar. 0.0332 0.0283 0.0303
15:01-16:00, Sun., 08 Mar. 0.0324 0.0291 0.0306
14:01-15:00, Sun., 08 Mar. 0.0322 0.0290 0.0309
13:01-14:00, Sun., 08 Mar. 0.0334 0.0289 0.0308
12:01-13:00, Sun., 08 Mar. 0.0336 0.0296 0.0314
11:01-12:00, Sun., 08 Mar. 0.0357 0.0308 0.0333
10:01-11:00, Sun., 08 Mar. 0.0371 0.0322 0.0355
09:01-10:00, Sun., 08 Mar. 0.0394 0.0337 0.0362
08:01-09:00, Sun., 08 Mar. 0.0378 0.0322 0.0351
07:01-08:00, Sun., 08 Mar. 0.0347 0.0301 0.0324
06:01-07:00, Sun., 08 Mar. 0.0334 0.0295 0.0312
05:01-06:00, Sun., 08 Mar. 0.0328 0.0293 0.0307
04:01-05:00, Sun., 08 Mar. 0.0331 0.0291 0.0310
03:01-04:00, Sun., 08 Mar. 0.0355 0.0297 0.0322
02:01-03:00, Sun., 08 Mar. 0.0365 0.0324 0.0345
01:01-02:00, Sun., 08 Mar. 0.0357 0.0318 0.0338
00:01-01:00, Sun., 08 Mar. 0.0355 0.0313 0.0333
23:01-24:00, Sat., 07 Mar. 0.0371 0.0321 0.0345
22:01-23:00, Sat., 07 Mar. 0.0371 0.0326 0.0348
21:01-22:00, Sat., 07 Mar. 0.0370 0.0287 0.0334
20:01-21:00, Sat., 07 Mar. 0.0323 0.0285 0.0306
19:01-20:00, Sat., 07 Mar. 0.0323 0.0284 0.0306
18:01-19:00, Sat., 07 Mar. 0.0325 0.0290 0.0307
17:01-18:00, Sat., 07 Mar. 0.0330 0.0289 0.0305
16:01-17:00, Sat., 07 Mar. 0.0322 0.0289 0.0306
15:01-16:00, Sat., 07 Mar. 0.0329 0.0290 0.0307
14:01-15:00, Sat., 07 Mar. 0.0328 0.0288 0.0306
13:01-14:00, Sat., 07 Mar. 0.0334 0.0293 0.0311
12:01-13:00, Sat., 07 Mar. 0.0350 0.0303 0.0326
11:01-12:00, Sat., 07 Mar. 0.0358 0.0304 0.0335
10:01-11:00, Sat., 07 Mar. 0.0379 0.0339 0.0357
09:01-10:00, Sat., 07 Mar. 0.0370 0.0315 0.0347
08:01-09:00, Sat., 07 Mar. 0.0375 0.0329 0.0347
07:01-08:00, Sat., 07 Mar. 0.0383 0.0319 0.0347
06:01-07:00, Sat., 07 Mar. 0.0368 0.0328 0.0352
05:01-06:00, Sat., 07 Mar. 0.0404 0.0339 0.0364
04:01-05:00, Sat., 07 Mar. 0.0413 0.0346 0.0386
03:01-04:00, Sat., 07 Mar. 0.0388 0.0348 0.0362
02:01-03:00, Sat., 07 Mar. 0.0396 0.0349 0.0368
01:01-02:00, Sat., 07 Mar. 0.0432 0.0355 0.0395
00:01-01:00, Sat., 07 Mar. 0.0415 0.0358 0.0389
23:01-24:00, Fri., 06 Mar. 0.0413 0.0342 0.0375
22:01-23:00, Fri., 06 Mar. 0.0377 0.0307 0.0333
21:01-22:00, Fri., 06 Mar. 0.0331 0.0286 0.0308
20:01-21:00, Fri., 06 Mar. 0.0338 0.0289 0.0308
19:01-20:00, Fri., 06 Mar. 0.0331 0.0284 0.0308
18:01-19:00, Fri., 06 Mar. 0.0323 0.0290 0.0306
17:01-18:00, Fri., 06 Mar. 0.0328 0.0288 0.0307
16:01-17:00, Fri., 06 Mar. 0.0324 0.0279 0.0307
15:01-16:00, Fri., 06 Mar. 0.0335 0.0286 0.0308
14:01-15:00, Fri., 06 Mar. 0.0333 0.0290 0.0309
13:01-14:00, Fri., 06 Mar. 0.0331 0.0282 0.0311
12:01-13:00, Fri., 06 Mar. 0.0333 0.0295 0.0312
11:01-12:00, Fri., 06 Mar. 0.0328 0.0285 0.0310
10:01-11:00, Fri., 06 Mar. 0.0331 0.0290 0.0310
09:01-10:00, Fri., 06 Mar. 0.0329 0.0291 0.0309
08:01-09:00, Fri., 06 Mar. 0.0331 0.0292 0.0313
07:01-08:00, Fri., 06 Mar. 0.0338 0.0290 0.0313
06:01-07:00, Fri., 06 Mar. 0.0332 0.0292 0.0312
05:01-06:00, Fri., 06 Mar. 0.0339 0.0287 0.0312
04:01-05:00, Fri., 06 Mar. 0.0336 0.0294 0.0314
03:01-04:00, Fri., 06 Mar. 0.0329 0.0292 0.0311
02:01-03:00, Fri., 06 Mar. 0.0331 0.0294 0.0311
01:01-02:00, Fri., 06 Mar. 0.0325 0.0291 0.0310
00:01-01:00, Fri., 06 Mar. 0.0327 0.0286 0.0309
23:01-24:00, Thu., 05 Mar. 0.0342 0.0295 0.0313
22:01-23:00, Thu., 05 Mar. 0.0333 0.0287 0.0313
21:01-22:00, Thu., 05 Mar. 0.0330 0.0286 0.0310
20:01-21:00, Thu., 05 Mar. 0.0323 0.0289 0.0308
19:01-20:00, Thu., 05 Mar. 0.0337 0.0285 0.0309
18:01-19:00, Thu., 05 Mar. 0.0325 0.0283 0.0307
17:01-18:00, Thu., 05 Mar. 0.0326 0.0291 0.0308
16:01-17:00, Thu., 05 Mar. 0.0330 0.0289 0.0309
15:01-16:00, Thu., 05 Mar. 0.0324 0.0293 0.0309
14:01-15:00, Thu., 05 Mar. 0.0329 0.0290 0.0311
13:01-14:00, Thu., 05 Mar. 0.0329 0.0291 0.0311
12:01-13:00, Thu., 05 Mar. 0.0329 0.0292 0.0313
11:01-12:00, Thu., 05 Mar. 0.0336 0.0298 0.0315
10:01-11:00, Thu., 05 Mar. 0.0338 0.0293 0.0317
09:01-10:00, Thu., 05 Mar. 0.0341 0.0294 0.0314
08:01-09:00, Thu., 05 Mar. 0.0337 0.0288 0.0314
07:01-08:00, Thu., 05 Mar. 0.0327 0.0292 0.0310
06:01-07:00, Thu., 05 Mar. 0.0332 0.0292 0.0311
05:01-06:00, Thu., 05 Mar. 0.0334 0.0289 0.0312
04:01-05:00, Thu., 05 Mar. 0.0323 0.0291 0.0310
03:01-04:00, Thu., 05 Mar. 0.0328 0.0279 0.0308
02:01-03:00, Thu., 05 Mar. 0.0324 0.0286 0.0307
01:01-02:00, Thu., 05 Mar. 0.0323 0.0283 0.0306
00:01-01:00, Thu., 05 Mar. 0.0332 0.0285 0.0308
23:01-24:00, Wed., 04 Mar. 0.0329 0.0285 0.0305
22:01-23:00, Wed., 04 Mar. 0.0323 0.0284 0.0303
21:01-22:00, Wed., 04 Mar. 0.0323 0.0290 0.0308
20:01-21:00, Wed., 04 Mar. 0.0323 0.0287 0.0305
19:01-20:00, Wed., 04 Mar. 0.0320 0.0283 0.0301
18:01-19:00, Wed., 04 Mar. 0.0316 0.0283 0.0301
17:01-18:00, Wed., 04 Mar. 0.0320 0.0275 0.0298
16:01-17:00, Wed., 04 Mar. 0.0325 0.0287 0.0304
15:01-16:00, Wed., 04 Mar. 0.0326 0.0289 0.0306
14:01-15:00, Wed., 04 Mar. 0.0326 0.0286 0.0304
13:01-14:00, Wed., 04 Mar. 0.0317 0.0285 0.0303
12:01-13:00, Wed., 04 Mar. 0.0325 0.0285 0.0307
11:01-12:00, Wed., 04 Mar. 0.0339 0.0280 0.0306
10:01-11:00, Wed., 04 Mar. 0.0330 0.0293 0.0307
09:01-10:00, Wed., 04 Mar. 0.0325 0.0287 0.0311
08:01-09:00, Wed., 04 Mar. 0.0333 0.0290 0.0312
07:01-08:00, Wed., 04 Mar. 0.0364 0.0296 0.0329
06:01-07:00, Wed., 04 Mar. 0.0427 0.0333 0.0372
05:01-06:00, Wed., 04 Mar. 0.0505 0.0384 0.0454
04:01-05:00, Wed., 04 Mar. 0.0552 0.0465 0.0507
03:01-04:00, Wed., 04 Mar. 0.0579 0.0471 0.0518
02:01-03:00, Wed., 04 Mar. 0.0525 0.0463 0.0497
01:01-02:00, Wed., 04 Mar. 0.0513 0.0412 0.0459
00:01-01:00, Wed., 04 Mar. 0.0453 0.0358 0.0394
23:01-24:00, Tue., 03 Mar. 0.0407 0.0350 0.0372
22:01-23:00, Tue., 03 Mar. 0.0441 0.0352 0.0373
21:01-22:00, Tue., 03 Mar. 0.0368 0.0298 0.0340
20:01-21:00, Tue., 03 Mar. 0.0324 0.0289 0.0307
19:01-20:00, Tue., 03 Mar. 0.0329 0.0290 0.0307
18:01-19:00, Tue., 03 Mar. 0.0332 0.0288 0.0307
17:01-18:00, Tue., 03 Mar. 0.0329 0.0294 0.0313
16:01-17:00, Tue., 03 Mar. 0.0334 0.0294 0.0314
15:01-16:00, Tue., 03 Mar. 0.0339 0.0290 0.0314
14:01-15:00, Tue., 03 Mar. 0.0335 0.0303 0.0318
13:01-14:00, Tue., 03 Mar. 0.0332 0.0293 0.0315
12:01-13:00, Tue., 03 Mar. 0.0332 0.0294 0.0312
11:01-12:00, Tue., 03 Mar. 0.0335 0.0299 0.0318
10:01-11:00, Tue., 03 Mar. 0.0337 0.0301 0.0320
09:01-10:00, Tue., 03 Mar. 0.0335 0.0306 0.0320
08:01-09:00, Tue., 03 Mar. 0.0343 0.0300 0.0318
07:01-08:00, Tue., 03 Mar. 0.0343 0.0291 0.0320
06:01-07:00, Tue., 03 Mar. 0.0342 0.0293 0.0317
05:01-06:00, Tue., 03 Mar. 0.0337 0.0300 0.0318
04:01-05:00, Tue., 03 Mar. 0.0332 0.0295 0.0317
03:01-04:00, Tue., 03 Mar. 0.0345 0.0294 0.0315
02:01-03:00, Tue., 03 Mar. 0.0331 0.0290 0.0313
01:01-02:00, Tue., 03 Mar. 0.0336 0.0296 0.0316
00:01-01:00, Tue., 03 Mar. 0.0336 0.0298 0.0314
23:01-24:00, Mon., 02 Mar. 0.0341 0.0298 0.0314
22:01-23:00, Mon., 02 Mar. 0.0330 0.0294 0.0313
21:01-22:00, Mon., 02 Mar. 0.0344 0.0292 0.0315
20:01-21:00, Mon., 02 Mar. 0.0331 0.0297 0.0311
19:01-20:00, Mon., 02 Mar. 0.0330 0.0295 0.0311
18:01-19:00, Mon., 02 Mar. 0.0329 0.0295 0.0310
17:01-18:00, Mon., 02 Mar. 0.0328 0.0293 0.0310
16:01-17:00, Mon., 02 Mar. 0.0330 0.0286 0.0307
15:01-16:00, Mon., 02 Mar. 0.0328 0.0289 0.0309
14:01-15:00, Mon., 02 Mar. 0.0329 0.0287 0.0309
13:01-14:00, Mon., 02 Mar. 0.0328 0.0292 0.0309
12:01-13:00, Mon., 02 Mar. 0.0335 0.0285 0.0310
11:01-12:00, Mon., 02 Mar. 0.0324 0.0285 0.0309
10:01-11:00, Mon., 02 Mar. 0.0329 0.0293 0.0310
09:01-10:00, Mon., 02 Mar. 0.0337 0.0289 0.0312
08:01-09:00, Mon., 02 Mar. 0.0346 0.0287 0.0308
07:01-08:00, Mon., 02 Mar. 0.0323 0.0292 0.0308
06:01-07:00, Mon., 02 Mar. 0.0320 0.0284 0.0306
05:01-06:00, Mon., 02 Mar. 0.0333 0.0286 0.0308
04:01-05:00, Mon., 02 Mar. 0.0325 0.0288 0.0306
03:01-04:00, Mon., 02 Mar. 0.0323 0.0291 0.0307
02:01-03:00, Mon., 02 Mar. 0.0333 0.0290 0.0311
01:01-02:00, Mon., 02 Mar. 0.0331 0.0287 0.0310
00:01-01:00, Mon., 02 Mar. 0.0333 0.0292 0.0310