Measurement results by the hour (Hachioji) 14 Mar., 2022 - 20 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., 20 Mar. 0.0320 0.0280 0.0299
22:01-23:00, Sun., 20 Mar. 0.0316 0.0280 0.0298
21:01-22:00, Sun., 20 Mar. 0.0327 0.0280 0.0302
20:01-21:00, Sun., 20 Mar. 0.0321 0.0273 0.0298
19:01-20:00, Sun., 20 Mar. 0.0319 0.0280 0.0298
18:01-19:00, Sun., 20 Mar. 0.0317 0.0275 0.0297
17:01-18:00, Sun., 20 Mar. 0.0320 0.0275 0.0298
16:01-17:00, Sun., 20 Mar. 0.0321 0.0279 0.0296
15:01-16:00, Sun., 20 Mar. 0.0315 0.0275 0.0296
14:01-15:00, Sun., 20 Mar. 0.0316 0.0284 0.0299
13:01-14:00, Sun., 20 Mar. 0.0317 0.0278 0.0296
12:01-13:00, Sun., 20 Mar. 0.0327 0.0279 0.0300
11:01-12:00, Sun., 20 Mar. 0.0324 0.0285 0.0302
10:01-11:00, Sun., 20 Mar. 0.0317 0.0286 0.0303
09:01-10:00, Sun., 20 Mar. 0.0336 0.0288 0.0305
08:01-09:00, Sun., 20 Mar. 0.0330 0.0286 0.0305
07:01-08:00, Sun., 20 Mar. 0.0332 0.0288 0.0306
06:01-07:00, Sun., 20 Mar. 0.0321 0.0282 0.0300
05:01-06:00, Sun., 20 Mar. 0.0316 0.0279 0.0301
04:01-05:00, Sun., 20 Mar. 0.0329 0.0277 0.0300
03:01-04:00, Sun., 20 Mar. 0.0332 0.0282 0.0300
02:01-03:00, Sun., 20 Mar. 0.0324 0.0282 0.0298
01:01-02:00, Sun., 20 Mar. 0.0322 0.0273 0.0296
00:01-01:00, Sun., 20 Mar. 0.0330 0.0280 0.0299
23:01-24:00, Sat., 19 Mar. 0.0320 0.0281 0.0302
22:01-23:00, Sat., 19 Mar. 0.0354 0.0296 0.0321
21:01-22:00, Sat., 19 Mar. 0.0483 0.0327 0.0398
20:01-21:00, Sat., 19 Mar. 0.0575 0.0453 0.0528
19:01-20:00, Sat., 19 Mar. 0.0601 0.0487 0.0533
18:01-19:00, Sat., 19 Mar. 0.0612 0.0471 0.0518
17:01-18:00, Sat., 19 Mar. 0.0469 0.0333 0.0418
16:01-17:00, Sat., 19 Mar. 0.0331 0.0285 0.0307
15:01-16:00, Sat., 19 Mar. 0.0327 0.0282 0.0301
14:01-15:00, Sat., 19 Mar. 0.0331 0.0282 0.0300
13:01-14:00, Sat., 19 Mar. 0.0325 0.0273 0.0299
12:01-13:00, Sat., 19 Mar. 0.0319 0.0277 0.0300
11:01-12:00, Sat., 19 Mar. 0.0321 0.0280 0.0301
10:01-11:00, Sat., 19 Mar. 0.0315 0.0287 0.0303
09:01-10:00, Sat., 19 Mar. 0.0323 0.0285 0.0304
08:01-09:00, Sat., 19 Mar. 0.0330 0.0286 0.0308
07:01-08:00, Sat., 19 Mar. 0.0339 0.0288 0.0313
06:01-07:00, Sat., 19 Mar. 0.0329 0.0295 0.0312
05:01-06:00, Sat., 19 Mar. 0.0330 0.0290 0.0308
04:01-05:00, Sat., 19 Mar. 0.0326 0.0276 0.0304
03:01-04:00, Sat., 19 Mar. 0.0325 0.0290 0.0305
02:01-03:00, Sat., 19 Mar. 0.0339 0.0299 0.0315
01:01-02:00, Sat., 19 Mar. 0.0364 0.0306 0.0340
00:01-01:00, Sat., 19 Mar. 0.0413 0.0353 0.0374
23:01-24:00, Fri., 18 Mar. 0.0438 0.0369 0.0399
22:01-23:00, Fri., 18 Mar. 0.0452 0.0380 0.0419
21:01-22:00, Fri., 18 Mar. 0.0431 0.0365 0.0396
20:01-21:00, Fri., 18 Mar. 0.0430 0.0361 0.0398
19:01-20:00, Fri., 18 Mar. 0.0456 0.0376 0.0412
18:01-19:00, Fri., 18 Mar. 0.0451 0.0381 0.0421
17:01-18:00, Fri., 18 Mar. 0.0456 0.0354 0.0396
16:01-17:00, Fri., 18 Mar. 0.0415 0.0349 0.0377
15:01-16:00, Fri., 18 Mar. 0.0423 0.0370 0.0392
14:01-15:00, Fri., 18 Mar. 0.0406 0.0328 0.0365
13:01-14:00, Fri., 18 Mar. 0.0390 0.0336 0.0358
12:01-13:00, Fri., 18 Mar. 0.0413 0.0356 0.0379
11:01-12:00, Fri., 18 Mar. 0.0366 0.0318 0.0338
10:01-11:00, Fri., 18 Mar. 0.0354 0.0312 0.0329
09:01-10:00, Fri., 18 Mar. 0.0352 0.0313 0.0331
08:01-09:00, Fri., 18 Mar. 0.0356 0.0305 0.0327
07:01-08:00, Fri., 18 Mar. 0.0345 0.0307 0.0326
06:01-07:00, Fri., 18 Mar. 0.0352 0.0317 0.0334
05:01-06:00, Fri., 18 Mar. 0.0371 0.0327 0.0350
04:01-05:00, Fri., 18 Mar. 0.0413 0.0327 0.0368
03:01-04:00, Fri., 18 Mar. 0.0416 0.0357 0.0376
02:01-03:00, Fri., 18 Mar. 0.0443 0.0364 0.0396
01:01-02:00, Fri., 18 Mar. 0.0436 0.0367 0.0396
00:01-01:00, Fri., 18 Mar. 0.0445 0.0360 0.0407
23:01-24:00, Thu., 17 Mar. 0.0448 0.0367 0.0419
22:01-23:00, Thu., 17 Mar. 0.0439 0.0297 0.0365
21:01-22:00, Thu., 17 Mar. 0.0336 0.0292 0.0314
20:01-21:00, Thu., 17 Mar. 0.0333 0.0290 0.0312
19:01-20:00, Thu., 17 Mar. 0.0328 0.0289 0.0310
18:01-19:00, Thu., 17 Mar. 0.0333 0.0291 0.0313
17:01-18:00, Thu., 17 Mar. 0.0331 0.0295 0.0313
16:01-17:00, Thu., 17 Mar. 0.0330 0.0294 0.0314
15:01-16:00, Thu., 17 Mar. 0.0332 0.0288 0.0312
14:01-15:00, Thu., 17 Mar. 0.0329 0.0292 0.0310
13:01-14:00, Thu., 17 Mar. 0.0337 0.0294 0.0312
12:01-13:00, Thu., 17 Mar. 0.0344 0.0293 0.0315
11:01-12:00, Thu., 17 Mar. 0.0340 0.0294 0.0317
10:01-11:00, Thu., 17 Mar. 0.0352 0.0293 0.0316
09:01-10:00, Thu., 17 Mar. 0.0333 0.0298 0.0315
08:01-09:00, Thu., 17 Mar. 0.0330 0.0292 0.0315
07:01-08:00, Thu., 17 Mar. 0.0335 0.0297 0.0316
06:01-07:00, Thu., 17 Mar. 0.0340 0.0293 0.0318
05:01-06:00, Thu., 17 Mar. 0.0340 0.0294 0.0317
04:01-05:00, Thu., 17 Mar. 0.0340 0.0298 0.0318
03:01-04:00, Thu., 17 Mar. 0.0340 0.0283 0.0317
02:01-03:00, Thu., 17 Mar. 0.0340 0.0289 0.0313
01:01-02:00, Thu., 17 Mar. 0.0331 0.0290 0.0311
00:01-01:00, Thu., 17 Mar. 0.0330 0.0294 0.0313
23:01-24:00, Wed., 16 Mar. 0.0335 0.0293 0.0311
22:01-23:00, Wed., 16 Mar. 0.0329 0.0296 0.0312
21:01-22:00, Wed., 16 Mar. 0.0327 0.0298 0.0311
20:01-21:00, Wed., 16 Mar. 0.0331 0.0294 0.0313
19:01-20:00, Wed., 16 Mar. 0.0338 0.0284 0.0310
18:01-19:00, Wed., 16 Mar. 0.0340 0.0296 0.0313
17:01-18:00, Wed., 16 Mar. 0.0325 0.0289 0.0311
16:01-17:00, Wed., 16 Mar. 0.0330 0.0286 0.0311
15:01-16:00, Wed., 16 Mar. 0.0327 0.0290 0.0310
14:01-15:00, Wed., 16 Mar. 0.0325 0.0294 0.0311
13:01-14:00, Wed., 16 Mar. 0.0333 0.0289 0.0309
12:01-13:00, Wed., 16 Mar. 0.0333 0.0294 0.0311
11:01-12:00, Wed., 16 Mar. 0.0340 0.0295 0.0315
10:01-11:00, Wed., 16 Mar. 0.0338 0.0297 0.0318
09:01-10:00, Wed., 16 Mar. 0.0338 0.0294 0.0317
08:01-09:00, Wed., 16 Mar. 0.0350 0.0297 0.0324
07:01-08:00, Wed., 16 Mar. 0.0342 0.0297 0.0322
06:01-07:00, Wed., 16 Mar. 0.0341 0.0299 0.0321
05:01-06:00, Wed., 16 Mar. 0.0348 0.0297 0.0320
04:01-05:00, Wed., 16 Mar. 0.0332 0.0294 0.0315
03:01-04:00, Wed., 16 Mar. 0.0328 0.0290 0.0314
02:01-03:00, Wed., 16 Mar. 0.0333 0.0293 0.0312
01:01-02:00, Wed., 16 Mar. 0.0327 0.0293 0.0311
00:01-01:00, Wed., 16 Mar. 0.0334 0.0292 0.0310
23:01-24:00, Tue., 15 Mar. 0.0328 0.0298 0.0311
22:01-23:00, Tue., 15 Mar. 0.0336 0.0290 0.0312
21:01-22:00, Tue., 15 Mar. 0.0340 0.0297 0.0314
20:01-21:00, Tue., 15 Mar. 0.0331 0.0295 0.0314
19:01-20:00, Tue., 15 Mar. 0.0333 0.0292 0.0312
18:01-19:00, Tue., 15 Mar. 0.0342 0.0292 0.0312
17:01-18:00, Tue., 15 Mar. 0.0337 0.0298 0.0315
16:01-17:00, Tue., 15 Mar. 0.0331 0.0296 0.0313
15:01-16:00, Tue., 15 Mar. 0.0329 0.0295 0.0314
14:01-15:00, Tue., 15 Mar. 0.0335 0.0296 0.0312
13:01-14:00, Tue., 15 Mar. 0.0330 0.0295 0.0313
12:01-13:00, Tue., 15 Mar. 0.0338 0.0298 0.0315
11:01-12:00, Tue., 15 Mar. 0.0329 0.0290 0.0311
10:01-11:00, Tue., 15 Mar. 0.0345 0.0298 0.0315
09:01-10:00, Tue., 15 Mar. 0.0337 0.0286 0.0313
08:01-09:00, Tue., 15 Mar. 0.0343 0.0294 0.0315
07:01-08:00, Tue., 15 Mar. 0.0345 0.0303 0.0323
06:01-07:00, Tue., 15 Mar. 0.0356 0.0308 0.0334
05:01-06:00, Tue., 15 Mar. 0.0355 0.0312 0.0331
04:01-05:00, Tue., 15 Mar. 0.0345 0.0300 0.0320
03:01-04:00, Tue., 15 Mar. 0.0348 0.0298 0.0321
02:01-03:00, Tue., 15 Mar. 0.0344 0.0303 0.0322
01:01-02:00, Tue., 15 Mar. 0.0340 0.0296 0.0320
00:01-01:00, Tue., 15 Mar. 0.0351 0.0308 0.0327
23:01-24:00, Mon., 14 Mar. 0.0349 0.0301 0.0328
22:01-23:00, Mon., 14 Mar. 0.0335 0.0294 0.0315
21:01-22:00, Mon., 14 Mar. 0.0333 0.0291 0.0311
20:01-21:00, Mon., 14 Mar. 0.0333 0.0283 0.0307
19:01-20:00, Mon., 14 Mar. 0.0331 0.0292 0.0311
18:01-19:00, Mon., 14 Mar. 0.0324 0.0286 0.0307
17:01-18:00, Mon., 14 Mar. 0.0329 0.0291 0.0309
16:01-17:00, Mon., 14 Mar. 0.0336 0.0289 0.0307
15:01-16:00, Mon., 14 Mar. 0.0332 0.0291 0.0308
14:01-15:00, Mon., 14 Mar. 0.0331 0.0292 0.0309
13:01-14:00, Mon., 14 Mar. 0.0326 0.0292 0.0308
12:01-13:00, Mon., 14 Mar. 0.0327 0.0287 0.0306
11:01-12:00, Mon., 14 Mar. 0.0336 0.0285 0.0311
10:01-11:00, Mon., 14 Mar. 0.0331 0.0297 0.0313
09:01-10:00, Mon., 14 Mar. 0.0331 0.0302 0.0315
08:01-09:00, Mon., 14 Mar. 0.0341 0.0298 0.0317
07:01-08:00, Mon., 14 Mar. 0.0357 0.0306 0.0335
06:01-07:00, Mon., 14 Mar. 0.0414 0.0343 0.0369
05:01-06:00, Mon., 14 Mar. 0.0377 0.0309 0.0340
04:01-05:00, Mon., 14 Mar. 0.0336 0.0293 0.0314
03:01-04:00, Mon., 14 Mar. 0.0318 0.0277 0.0302
02:01-03:00, Mon., 14 Mar. 0.0327 0.0287 0.0307
01:01-02:00, Mon., 14 Mar. 0.0332 0.0286 0.0302
00:01-01:00, Mon., 14 Mar. 0.0326 0.0280 0.0307