Measurement results by the hour (Hachioji) 1 Mar., 2021 - 7 Mar., 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., 07 Mar. 0.0329 0.0293 0.0310
22:01-23:00, Sun., 07 Mar. 0.0324 0.0287 0.0308
21:01-22:00, Sun., 07 Mar. 0.0327 0.0275 0.0305
20:01-21:00, Sun., 07 Mar. 0.0321 0.0284 0.0304
19:01-20:00, Sun., 07 Mar. 0.0327 0.0284 0.0305
18:01-19:00, Sun., 07 Mar. 0.0322 0.0290 0.0306
17:01-18:00, Sun., 07 Mar. 0.0322 0.0284 0.0305
16:01-17:00, Sun., 07 Mar. 0.0328 0.0285 0.0307
15:01-16:00, Sun., 07 Mar. 0.0323 0.0285 0.0307
14:01-15:00, Sun., 07 Mar. 0.0330 0.0292 0.0309
13:01-14:00, Sun., 07 Mar. 0.0335 0.0291 0.0308
12:01-13:00, Sun., 07 Mar. 0.0336 0.0281 0.0308
11:01-12:00, Sun., 07 Mar. 0.0335 0.0290 0.0310
10:01-11:00, Sun., 07 Mar. 0.0326 0.0289 0.0309
09:01-10:00, Sun., 07 Mar. 0.0333 0.0291 0.0308
08:01-09:00, Sun., 07 Mar. 0.0341 0.0288 0.0311
07:01-08:00, Sun., 07 Mar. 0.0327 0.0294 0.0313
06:01-07:00, Sun., 07 Mar. 0.0336 0.0291 0.0312
05:01-06:00, Sun., 07 Mar. 0.0337 0.0295 0.0311
04:01-05:00, Sun., 07 Mar. 0.0337 0.0289 0.0315
03:01-04:00, Sun., 07 Mar. 0.0343 0.0297 0.0316
02:01-03:00, Sun., 07 Mar. 0.0334 0.0294 0.0315
01:01-02:00, Sun., 07 Mar. 0.0346 0.0294 0.0318
00:01-01:00, Sun., 07 Mar. 0.0337 0.0303 0.0318
23:01-24:00, Sat., 06 Mar. 0.0343 0.0293 0.0316
22:01-23:00, Sat., 06 Mar. 0.0335 0.0300 0.0318
21:01-22:00, Sat., 06 Mar. 0.0333 0.0292 0.0319
20:01-21:00, Sat., 06 Mar. 0.0341 0.0293 0.0315
19:01-20:00, Sat., 06 Mar. 0.0334 0.0291 0.0315
18:01-19:00, Sat., 06 Mar. 0.0336 0.0289 0.0312
17:01-18:00, Sat., 06 Mar. 0.0331 0.0294 0.0313
16:01-17:00, Sat., 06 Mar. 0.0331 0.0293 0.0310
15:01-16:00, Sat., 06 Mar. 0.0330 0.0286 0.0309
14:01-15:00, Sat., 06 Mar. 0.0328 0.0289 0.0308
13:01-14:00, Sat., 06 Mar. 0.0338 0.0289 0.0307
12:01-13:00, Sat., 06 Mar. 0.0337 0.0287 0.0311
11:01-12:00, Sat., 06 Mar. 0.0336 0.0286 0.0310
10:01-11:00, Sat., 06 Mar. 0.0331 0.0293 0.0313
09:01-10:00, Sat., 06 Mar. 0.0333 0.0296 0.0313
08:01-09:00, Sat., 06 Mar. 0.0341 0.0302 0.0321
07:01-08:00, Sat., 06 Mar. 0.0339 0.0296 0.0320
06:01-07:00, Sat., 06 Mar. 0.0355 0.0301 0.0320
05:01-06:00, Sat., 06 Mar. 0.0332 0.0298 0.0316
04:01-05:00, Sat., 06 Mar. 0.0343 0.0298 0.0317
03:01-04:00, Sat., 06 Mar. 0.0343 0.0301 0.0323
02:01-03:00, Sat., 06 Mar. 0.0350 0.0301 0.0323
01:01-02:00, Sat., 06 Mar. 0.0340 0.0299 0.0317
00:01-01:00, Sat., 06 Mar. 0.0334 0.0296 0.0317
23:01-24:00, Fri., 05 Mar. 0.0369 0.0302 0.0329
22:01-23:00, Fri., 05 Mar. 0.0364 0.0309 0.0332
21:01-22:00, Fri., 05 Mar. 0.0352 0.0307 0.0329
20:01-21:00, Fri., 05 Mar. 0.0355 0.0300 0.0325
19:01-20:00, Fri., 05 Mar. 0.0355 0.0299 0.0328
18:01-19:00, Fri., 05 Mar. 0.0357 0.0316 0.0336
17:01-18:00, Fri., 05 Mar. 0.0365 0.0313 0.0334
16:01-17:00, Fri., 05 Mar. 0.0337 0.0288 0.0312
15:01-16:00, Fri., 05 Mar. 0.0328 0.0277 0.0305
14:01-15:00, Fri., 05 Mar. 0.0323 0.0291 0.0308
13:01-14:00, Fri., 05 Mar. 0.0335 0.0290 0.0311
12:01-13:00, Fri., 05 Mar. 0.0323 0.0293 0.0310
11:01-12:00, Fri., 05 Mar. 0.0331 0.0287 0.0309
10:01-11:00, Fri., 05 Mar. 0.0337 0.0291 0.0315
09:01-10:00, Fri., 05 Mar. 0.0344 0.0304 0.0322
08:01-09:00, Fri., 05 Mar. 0.0360 0.0304 0.0321
07:01-08:00, Fri., 05 Mar. 0.0346 0.0293 0.0321
06:01-07:00, Fri., 05 Mar. 0.0345 0.0304 0.0323
05:01-06:00, Fri., 05 Mar. 0.0339 0.0309 0.0323
04:01-05:00, Fri., 05 Mar. 0.0346 0.0296 0.0323
03:01-04:00, Fri., 05 Mar. 0.0333 0.0296 0.0315
02:01-03:00, Fri., 05 Mar. 0.0327 0.0285 0.0312
01:01-02:00, Fri., 05 Mar. 0.0332 0.0284 0.0307
00:01-01:00, Fri., 05 Mar. 0.0322 0.0278 0.0308
23:01-24:00, Thu., 04 Mar. 0.0337 0.0291 0.0310
22:01-23:00, Thu., 04 Mar. 0.0324 0.0284 0.0306
21:01-22:00, Thu., 04 Mar. 0.0329 0.0284 0.0306
20:01-21:00, Thu., 04 Mar. 0.0335 0.0283 0.0305
19:01-20:00, Thu., 04 Mar. 0.0330 0.0294 0.0307
18:01-19:00, Thu., 04 Mar. 0.0321 0.0269 0.0305
17:01-18:00, Thu., 04 Mar. 0.0325 0.0281 0.0306
16:01-17:00, Thu., 04 Mar. 0.0327 0.0285 0.0308
15:01-16:00, Thu., 04 Mar. 0.0332 0.0278 0.0308
14:01-15:00, Thu., 04 Mar. 0.0329 0.0289 0.0306
13:01-14:00, Thu., 04 Mar. 0.0323 0.0295 0.0308
12:01-13:00, Thu., 04 Mar. 0.0326 0.0292 0.0308
11:01-12:00, Thu., 04 Mar. 0.0327 0.0283 0.0308
10:01-11:00, Thu., 04 Mar. 0.0340 0.0282 0.0309
09:01-10:00, Thu., 04 Mar. 0.0333 0.0285 0.0310
08:01-09:00, Thu., 04 Mar. 0.0335 0.0298 0.0315
07:01-08:00, Thu., 04 Mar. 0.0329 0.0291 0.0315
06:01-07:00, Thu., 04 Mar. 0.0339 0.0291 0.0314
05:01-06:00, Thu., 04 Mar. 0.0334 0.0297 0.0317
04:01-05:00, Thu., 04 Mar. 0.0349 0.0295 0.0322
03:01-04:00, Thu., 04 Mar. 0.0343 0.0302 0.0323
02:01-03:00, Thu., 04 Mar. 0.0335 0.0283 0.0306
01:01-02:00, Thu., 04 Mar. 0.0328 0.0283 0.0304
00:01-01:00, Thu., 04 Mar. 0.0326 0.0277 0.0304
23:01-24:00, Wed., 03 Mar. 0.0322 0.0287 0.0304
22:01-23:00, Wed., 03 Mar. 0.0327 0.0286 0.0306
21:01-22:00, Wed., 03 Mar. 0.0329 0.0283 0.0304
20:01-21:00, Wed., 03 Mar. 0.0328 0.0287 0.0307
19:01-20:00, Wed., 03 Mar. 0.0337 0.0286 0.0307
18:01-19:00, Wed., 03 Mar. 0.0324 0.0295 0.0309
17:01-18:00, Wed., 03 Mar. 0.0327 0.0290 0.0308
16:01-17:00, Wed., 03 Mar. 0.0326 0.0283 0.0307
15:01-16:00, Wed., 03 Mar. 0.0327 0.0284 0.0307
14:01-15:00, Wed., 03 Mar. 0.0336 0.0291 0.0309
13:01-14:00, Wed., 03 Mar. 0.0331 0.0291 0.0309
12:01-13:00, Wed., 03 Mar. 0.0324 0.0286 0.0308
11:01-12:00, Wed., 03 Mar. 0.0328 0.0288 0.0310
10:01-11:00, Wed., 03 Mar. 0.0337 0.0292 0.0312
09:01-10:00, Wed., 03 Mar. 0.0330 0.0288 0.0309
08:01-09:00, Wed., 03 Mar. 0.0331 0.0282 0.0308
07:01-08:00, Wed., 03 Mar. 0.0330 0.0292 0.0310
06:01-07:00, Wed., 03 Mar. 0.0330 0.0277 0.0305
05:01-06:00, Wed., 03 Mar. 0.0334 0.0293 0.0311
04:01-05:00, Wed., 03 Mar. 0.0342 0.0296 0.0314
03:01-04:00, Wed., 03 Mar. 0.0334 0.0290 0.0315
02:01-03:00, Wed., 03 Mar. 0.0348 0.0299 0.0314
01:01-02:00, Wed., 03 Mar. 0.0335 0.0289 0.0313
00:01-01:00, Wed., 03 Mar. 0.0344 0.0291 0.0316
23:01-24:00, Tue., 02 Mar. 0.0347 0.0291 0.0321
22:01-23:00, Tue., 02 Mar. 0.0357 0.0318 0.0339
21:01-22:00, Tue., 02 Mar. 0.0419 0.0333 0.0373
20:01-21:00, Tue., 02 Mar. 0.0446 0.0337 0.0396
19:01-20:00, Tue., 02 Mar. 0.0372 0.0318 0.0344
18:01-19:00, Tue., 02 Mar. 0.0441 0.0360 0.0399
17:01-18:00, Tue., 02 Mar. 0.0478 0.0342 0.0416
16:01-17:00, Tue., 02 Mar. 0.0370 0.0318 0.0343
15:01-16:00, Tue., 02 Mar. 0.0370 0.0335 0.0353
14:01-15:00, Tue., 02 Mar. 0.0392 0.0307 0.0342
13:01-14:00, Tue., 02 Mar. 0.0335 0.0299 0.0313
12:01-13:00, Tue., 02 Mar. 0.0332 0.0292 0.0310
11:01-12:00, Tue., 02 Mar. 0.0336 0.0296 0.0311
10:01-11:00, Tue., 02 Mar. 0.0334 0.0289 0.0311
09:01-10:00, Tue., 02 Mar. 0.0326 0.0285 0.0305
08:01-09:00, Tue., 02 Mar. 0.0332 0.0288 0.0309
07:01-08:00, Tue., 02 Mar. 0.0328 0.0292 0.0306
06:01-07:00, Tue., 02 Mar. 0.0324 0.0285 0.0305
05:01-06:00, Tue., 02 Mar. 0.0331 0.0280 0.0308
04:01-05:00, Tue., 02 Mar. 0.0323 0.0290 0.0308
03:01-04:00, Tue., 02 Mar. 0.0329 0.0287 0.0308
02:01-03:00, Tue., 02 Mar. 0.0325 0.0291 0.0308
01:01-02:00, Tue., 02 Mar. 0.0324 0.0286 0.0307
00:01-01:00, Tue., 02 Mar. 0.0332 0.0294 0.0308
23:01-24:00, Mon., 01 Mar. 0.0333 0.0284 0.0307
22:01-23:00, Mon., 01 Mar. 0.0330 0.0288 0.0310
21:01-22:00, Mon., 01 Mar. 0.0331 0.0290 0.0306
20:01-21:00, Mon., 01 Mar. 0.0326 0.0290 0.0307
19:01-20:00, Mon., 01 Mar. 0.0324 0.0279 0.0306
18:01-19:00, Mon., 01 Mar. 0.0329 0.0276 0.0307
17:01-18:00, Mon., 01 Mar. 0.0329 0.0282 0.0306
16:01-17:00, Mon., 01 Mar. 0.0327 0.0288 0.0308
15:01-16:00, Mon., 01 Mar. 0.0323 0.0286 0.0306
14:01-15:00, Mon., 01 Mar. 0.0329 0.0280 0.0308
13:01-14:00, Mon., 01 Mar. 0.0328 0.0290 0.0306
12:01-13:00, Mon., 01 Mar. 0.0330 0.0284 0.0308
11:01-12:00, Mon., 01 Mar. 0.0343 0.0296 0.0319
10:01-11:00, Mon., 01 Mar. 0.0340 0.0300 0.0318
09:01-10:00, Mon., 01 Mar. 0.0339 0.0290 0.0317
08:01-09:00, Mon., 01 Mar. 0.0343 0.0298 0.0324
07:01-08:00, Mon., 01 Mar. 0.0351 0.0302 0.0329
06:01-07:00, Mon., 01 Mar. 0.0340 0.0302 0.0322
05:01-06:00, Mon., 01 Mar. 0.0336 0.0293 0.0317
04:01-05:00, Mon., 01 Mar. 0.0342 0.0299 0.0317
03:01-04:00, Mon., 01 Mar. 0.0339 0.0303 0.0319
02:01-03:00, Mon., 01 Mar. 0.0342 0.0296 0.0320
01:01-02:00, Mon., 01 Mar. 0.0338 0.0296 0.0317
00:01-01:00, Mon., 01 Mar. 0.0337 0.0302 0.0318