Measurement results by the hour (Hachioji) 28 Feb., 2022 - 6 Mar., 2022

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., 06 Mar. 0.0328 0.0291 0.0311
22:01-23:00, Sun., 06 Mar. 0.0332 0.0294 0.0312
21:01-22:00, Sun., 06 Mar. 0.0339 0.0293 0.0314
20:01-21:00, Sun., 06 Mar. 0.0339 0.0287 0.0313
19:01-20:00, Sun., 06 Mar. 0.0335 0.0291 0.0310
18:01-19:00, Sun., 06 Mar. 0.0333 0.0291 0.0311
17:01-18:00, Sun., 06 Mar. 0.0332 0.0291 0.0314
16:01-17:00, Sun., 06 Mar. 0.0335 0.0299 0.0316
15:01-16:00, Sun., 06 Mar. 0.0332 0.0300 0.0313
14:01-15:00, Sun., 06 Mar. 0.0338 0.0294 0.0311
13:01-14:00, Sun., 06 Mar. 0.0334 0.0294 0.0316
12:01-13:00, Sun., 06 Mar. 0.0335 0.0297 0.0312
11:01-12:00, Sun., 06 Mar. 0.0328 0.0299 0.0313
10:01-11:00, Sun., 06 Mar. 0.0331 0.0290 0.0312
09:01-10:00, Sun., 06 Mar. 0.0332 0.0290 0.0311
08:01-09:00, Sun., 06 Mar. 0.0335 0.0294 0.0310
07:01-08:00, Sun., 06 Mar. 0.0329 0.0287 0.0307
06:01-07:00, Sun., 06 Mar. 0.0329 0.0291 0.0306
05:01-06:00, Sun., 06 Mar. 0.0324 0.0286 0.0308
04:01-05:00, Sun., 06 Mar. 0.0325 0.0283 0.0308
03:01-04:00, Sun., 06 Mar. 0.0329 0.0285 0.0311
02:01-03:00, Sun., 06 Mar. 0.0334 0.0295 0.0311
01:01-02:00, Sun., 06 Mar. 0.0331 0.0295 0.0313
00:01-01:00, Sun., 06 Mar. 0.0334 0.0296 0.0315
23:01-24:00, Sat., 05 Mar. 0.0340 0.0296 0.0313
22:01-23:00, Sat., 05 Mar. 0.0325 0.0290 0.0312
21:01-22:00, Sat., 05 Mar. 0.0327 0.0290 0.0309
20:01-21:00, Sat., 05 Mar. 0.0330 0.0290 0.0309
19:01-20:00, Sat., 05 Mar. 0.0337 0.0291 0.0311
18:01-19:00, Sat., 05 Mar. 0.0326 0.0296 0.0309
17:01-18:00, Sat., 05 Mar. 0.0331 0.0286 0.0306
16:01-17:00, Sat., 05 Mar. 0.0326 0.0284 0.0308
15:01-16:00, Sat., 05 Mar. 0.0332 0.0291 0.0308
14:01-15:00, Sat., 05 Mar. 0.0341 0.0291 0.0310
13:01-14:00, Sat., 05 Mar. 0.0337 0.0287 0.0311
12:01-13:00, Sat., 05 Mar. 0.0334 0.0293 0.0314
11:01-12:00, Sat., 05 Mar. 0.0330 0.0296 0.0312
10:01-11:00, Sat., 05 Mar. 0.0333 0.0292 0.0313
09:01-10:00, Sat., 05 Mar. 0.0332 0.0296 0.0310
08:01-09:00, Sat., 05 Mar. 0.0340 0.0292 0.0313
07:01-08:00, Sat., 05 Mar. 0.0335 0.0300 0.0315
06:01-07:00, Sat., 05 Mar. 0.0345 0.0298 0.0317
05:01-06:00, Sat., 05 Mar. 0.0336 0.0300 0.0319
04:01-05:00, Sat., 05 Mar. 0.0341 0.0298 0.0317
03:01-04:00, Sat., 05 Mar. 0.0340 0.0307 0.0321
02:01-03:00, Sat., 05 Mar. 0.0341 0.0294 0.0317
01:01-02:00, Sat., 05 Mar. 0.0338 0.0299 0.0316
00:01-01:00, Sat., 05 Mar. 0.0341 0.0297 0.0314
23:01-24:00, Fri., 04 Mar. 0.0323 0.0285 0.0303
22:01-23:00, Fri., 04 Mar. 0.0327 0.0285 0.0304
21:01-22:00, Fri., 04 Mar. 0.0327 0.0285 0.0302
20:01-21:00, Fri., 04 Mar. 0.0328 0.0282 0.0305
19:01-20:00, Fri., 04 Mar. 0.0331 0.0279 0.0306
18:01-19:00, Fri., 04 Mar. 0.0332 0.0285 0.0305
17:01-18:00, Fri., 04 Mar. 0.0326 0.0283 0.0305
16:01-17:00, Fri., 04 Mar. 0.0331 0.0290 0.0309
15:01-16:00, Fri., 04 Mar. 0.0330 0.0281 0.0305
14:01-15:00, Fri., 04 Mar. 0.0326 0.0288 0.0306
13:01-14:00, Fri., 04 Mar. 0.0324 0.0291 0.0308
12:01-13:00, Fri., 04 Mar. 0.0331 0.0279 0.0307
11:01-12:00, Fri., 04 Mar. 0.0341 0.0286 0.0309
10:01-11:00, Fri., 04 Mar. 0.0327 0.0284 0.0308
09:01-10:00, Fri., 04 Mar. 0.0320 0.0291 0.0306
08:01-09:00, Fri., 04 Mar. 0.0328 0.0283 0.0306
07:01-08:00, Fri., 04 Mar. 0.0334 0.0284 0.0308
06:01-07:00, Fri., 04 Mar. 0.0329 0.0289 0.0308
05:01-06:00, Fri., 04 Mar. 0.0337 0.0285 0.0309
04:01-05:00, Fri., 04 Mar. 0.0326 0.0284 0.0308
03:01-04:00, Fri., 04 Mar. 0.0331 0.0292 0.0310
02:01-03:00, Fri., 04 Mar. 0.0326 0.0290 0.0307
01:01-02:00, Fri., 04 Mar. 0.0329 0.0288 0.0309
00:01-01:00, Fri., 04 Mar. 0.0334 0.0287 0.0311
23:01-24:00, Thu., 03 Mar. 0.0328 0.0290 0.0309
22:01-23:00, Thu., 03 Mar. 0.0333 0.0292 0.0310
21:01-22:00, Thu., 03 Mar. 0.0324 0.0292 0.0310
20:01-21:00, Thu., 03 Mar. 0.0334 0.0293 0.0312
19:01-20:00, Thu., 03 Mar. 0.0331 0.0291 0.0313
18:01-19:00, Thu., 03 Mar. 0.0331 0.0293 0.0311
17:01-18:00, Thu., 03 Mar. 0.0330 0.0286 0.0307
16:01-17:00, Thu., 03 Mar. 0.0325 0.0291 0.0307
15:01-16:00, Thu., 03 Mar. 0.0328 0.0284 0.0307
14:01-15:00, Thu., 03 Mar. 0.0338 0.0293 0.0310
13:01-14:00, Thu., 03 Mar. 0.0331 0.0288 0.0306
12:01-13:00, Thu., 03 Mar. 0.0340 0.0289 0.0305
11:01-12:00, Thu., 03 Mar. 0.0324 0.0287 0.0306
10:01-11:00, Thu., 03 Mar. 0.0328 0.0289 0.0308
09:01-10:00, Thu., 03 Mar. 0.0331 0.0284 0.0306
08:01-09:00, Thu., 03 Mar. 0.0333 0.0275 0.0306
07:01-08:00, Thu., 03 Mar. 0.0329 0.0288 0.0307
06:01-07:00, Thu., 03 Mar. 0.0331 0.0289 0.0308
05:01-06:00, Thu., 03 Mar. 0.0330 0.0290 0.0310
04:01-05:00, Thu., 03 Mar. 0.0327 0.0283 0.0310
03:01-04:00, Thu., 03 Mar. 0.0330 0.0286 0.0307
02:01-03:00, Thu., 03 Mar. 0.0323 0.0290 0.0305
01:01-02:00, Thu., 03 Mar. 0.0337 0.0279 0.0305
00:01-01:00, Thu., 03 Mar. 0.0326 0.0290 0.0306
23:01-24:00, Wed., 02 Mar. 0.0338 0.0289 0.0308
22:01-23:00, Wed., 02 Mar. 0.0334 0.0292 0.0312
21:01-22:00, Wed., 02 Mar. 0.0332 0.0293 0.0313
20:01-21:00, Wed., 02 Mar. 0.0335 0.0284 0.0312
19:01-20:00, Wed., 02 Mar. 0.0327 0.0283 0.0305
18:01-19:00, Wed., 02 Mar. 0.0328 0.0288 0.0307
17:01-18:00, Wed., 02 Mar. 0.0323 0.0282 0.0307
16:01-17:00, Wed., 02 Mar. 0.0331 0.0280 0.0305
15:01-16:00, Wed., 02 Mar. 0.0335 0.0286 0.0307
14:01-15:00, Wed., 02 Mar. 0.0326 0.0286 0.0308
13:01-14:00, Wed., 02 Mar. 0.0337 0.0291 0.0309
12:01-13:00, Wed., 02 Mar. 0.0336 0.0293 0.0313
11:01-12:00, Wed., 02 Mar. 0.0333 0.0299 0.0316
10:01-11:00, Wed., 02 Mar. 0.0336 0.0296 0.0315
09:01-10:00, Wed., 02 Mar. 0.0339 0.0298 0.0319
08:01-09:00, Wed., 02 Mar. 0.0339 0.0304 0.0320
07:01-08:00, Wed., 02 Mar. 0.0341 0.0298 0.0321
06:01-07:00, Wed., 02 Mar. 0.0342 0.0303 0.0322
05:01-06:00, Wed., 02 Mar. 0.0337 0.0304 0.0320
04:01-05:00, Wed., 02 Mar. 0.0339 0.0305 0.0321
03:01-04:00, Wed., 02 Mar. 0.0343 0.0303 0.0322
02:01-03:00, Wed., 02 Mar. 0.0340 0.0295 0.0320
01:01-02:00, Wed., 02 Mar. 0.0332 0.0296 0.0316
00:01-01:00, Wed., 02 Mar. 0.0348 0.0297 0.0318
23:01-24:00, Tue., 01 Mar. 0.0337 0.0296 0.0318
22:01-23:00, Tue., 01 Mar. 0.0341 0.0287 0.0312
21:01-22:00, Tue., 01 Mar. 0.0336 0.0293 0.0310
20:01-21:00, Tue., 01 Mar. 0.0324 0.0289 0.0308
19:01-20:00, Tue., 01 Mar. 0.0335 0.0286 0.0309
18:01-19:00, Tue., 01 Mar. 0.0338 0.0294 0.0313
17:01-18:00, Tue., 01 Mar. 0.0339 0.0296 0.0314
16:01-17:00, Tue., 01 Mar. 0.0337 0.0293 0.0318
15:01-16:00, Tue., 01 Mar. 0.0341 0.0296 0.0315
14:01-15:00, Tue., 01 Mar. 0.0333 0.0289 0.0308
13:01-14:00, Tue., 01 Mar. 0.0333 0.0279 0.0309
12:01-13:00, Tue., 01 Mar. 0.0335 0.0286 0.0313
11:01-12:00, Tue., 01 Mar. 0.0327 0.0290 0.0312
10:01-11:00, Tue., 01 Mar. 0.0338 0.0296 0.0316
09:01-10:00, Tue., 01 Mar. 0.0333 0.0293 0.0316
08:01-09:00, Tue., 01 Mar. 0.0330 0.0295 0.0312
07:01-08:00, Tue., 01 Mar. 0.0339 0.0299 0.0318
06:01-07:00, Tue., 01 Mar. 0.0337 0.0289 0.0318
05:01-06:00, Tue., 01 Mar. 0.0333 0.0300 0.0316
04:01-05:00, Tue., 01 Mar. 0.0335 0.0295 0.0317
03:01-04:00, Tue., 01 Mar. 0.0341 0.0295 0.0316
02:01-03:00, Tue., 01 Mar. 0.0337 0.0290 0.0314
01:01-02:00, Tue., 01 Mar. 0.0334 0.0296 0.0313
00:01-01:00, Tue., 01 Mar. 0.0333 0.0289 0.0310
23:01-24:00, Mon., 28 Feb. 0.0331 0.0295 0.0310
22:01-23:00, Mon., 28 Feb. 0.0330 0.0295 0.0309
21:01-22:00, Mon., 28 Feb. 0.0328 0.0286 0.0306
20:01-21:00, Mon., 28 Feb. 0.0328 0.0289 0.0304
19:01-20:00, Mon., 28 Feb. 0.0323 0.0281 0.0303
18:01-19:00, Mon., 28 Feb. 0.0330 0.0279 0.0304
17:01-18:00, Mon., 28 Feb. 0.0323 0.0282 0.0305
16:01-17:00, Mon., 28 Feb. 0.0340 0.0286 0.0305
15:01-16:00, Mon., 28 Feb. 0.0317 0.0283 0.0304
14:01-15:00, Mon., 28 Feb. 0.0332 0.0281 0.0306
13:01-14:00, Mon., 28 Feb. 0.0335 0.0292 0.0308
12:01-13:00, Mon., 28 Feb. 0.0328 0.0289 0.0307
11:01-12:00, Mon., 28 Feb. 0.0330 0.0287 0.0307
10:01-11:00, Mon., 28 Feb. 0.0322 0.0295 0.0308
09:01-10:00, Mon., 28 Feb. 0.0329 0.0290 0.0309
08:01-09:00, Mon., 28 Feb. 0.0333 0.0292 0.0313
07:01-08:00, Mon., 28 Feb. 0.0333 0.0292 0.0316
06:01-07:00, Mon., 28 Feb. 0.0334 0.0299 0.0313
05:01-06:00, Mon., 28 Feb. 0.0342 0.0290 0.0315
04:01-05:00, Mon., 28 Feb. 0.0337 0.0299 0.0315
03:01-04:00, Mon., 28 Feb. 0.0333 0.0296 0.0313
02:01-03:00, Mon., 28 Feb. 0.0333 0.0290 0.0311
01:01-02:00, Mon., 28 Feb. 0.0337 0.0295 0.0312
00:01-01:00, Mon., 28 Feb. 0.0332 0.0291 0.0310