Measurement results by the hour (Hachioji) 30 Mar., 2020 - 5 Apr., 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., 05 Apr. 0.0328 0.0293 0.0309
22:01-23:00, Sun., 05 Apr. 0.0324 0.0281 0.0304
21:01-22:00, Sun., 05 Apr. 0.0331 0.0282 0.0305
20:01-21:00, Sun., 05 Apr. 0.0322 0.0288 0.0305
19:01-20:00, Sun., 05 Apr. 0.0329 0.0287 0.0307
18:01-19:00, Sun., 05 Apr. 0.0330 0.0290 0.0308
17:01-18:00, Sun., 05 Apr. 0.0332 0.0287 0.0309
16:01-17:00, Sun., 05 Apr. 0.0341 0.0295 0.0317
15:01-16:00, Sun., 05 Apr. 0.0350 0.0303 0.0330
14:01-15:00, Sun., 05 Apr. 0.0333 0.0283 0.0309
13:01-14:00, Sun., 05 Apr. 0.0329 0.0287 0.0307
12:01-13:00, Sun., 05 Apr. 0.0326 0.0288 0.0308
11:01-12:00, Sun., 05 Apr. 0.0327 0.0292 0.0308
10:01-11:00, Sun., 05 Apr. 0.0329 0.0284 0.0310
09:01-10:00, Sun., 05 Apr. 0.0331 0.0290 0.0309
08:01-09:00, Sun., 05 Apr. 0.0329 0.0295 0.0310
07:01-08:00, Sun., 05 Apr. 0.0333 0.0290 0.0308
06:01-07:00, Sun., 05 Apr. 0.0334 0.0291 0.0310
05:01-06:00, Sun., 05 Apr. 0.0337 0.0286 0.0308
04:01-05:00, Sun., 05 Apr. 0.0335 0.0289 0.0311
03:01-04:00, Sun., 05 Apr. 0.0330 0.0285 0.0309
02:01-03:00, Sun., 05 Apr. 0.0330 0.0281 0.0309
01:01-02:00, Sun., 05 Apr. 0.0326 0.0289 0.0304
00:01-01:00, Sun., 05 Apr. 0.0326 0.0284 0.0302
23:01-24:00, Sat., 04 Apr. 0.0324 0.0278 0.0303
22:01-23:00, Sat., 04 Apr. 0.0331 0.0284 0.0305
21:01-22:00, Sat., 04 Apr. 0.0326 0.0286 0.0303
20:01-21:00, Sat., 04 Apr. 0.0323 0.0285 0.0302
19:01-20:00, Sat., 04 Apr. 0.0324 0.0286 0.0302
18:01-19:00, Sat., 04 Apr. 0.0327 0.0282 0.0304
17:01-18:00, Sat., 04 Apr. 0.0322 0.0284 0.0304
16:01-17:00, Sat., 04 Apr. 0.0329 0.0288 0.0305
15:01-16:00, Sat., 04 Apr. 0.0323 0.0286 0.0304
14:01-15:00, Sat., 04 Apr. 0.0324 0.0277 0.0306
13:01-14:00, Sat., 04 Apr. 0.0319 0.0282 0.0303
12:01-13:00, Sat., 04 Apr. 0.0317 0.0277 0.0302
11:01-12:00, Sat., 04 Apr. 0.0324 0.0290 0.0305
10:01-11:00, Sat., 04 Apr. 0.0327 0.0285 0.0306
09:01-10:00, Sat., 04 Apr. 0.0320 0.0288 0.0304
08:01-09:00, Sat., 04 Apr. 0.0327 0.0288 0.0309
07:01-08:00, Sat., 04 Apr. 0.0334 0.0288 0.0311
06:01-07:00, Sat., 04 Apr. 0.0338 0.0277 0.0310
05:01-06:00, Sat., 04 Apr. 0.0334 0.0286 0.0309
04:01-05:00, Sat., 04 Apr. 0.0335 0.0297 0.0310
03:01-04:00, Sat., 04 Apr. 0.0331 0.0286 0.0305
02:01-03:00, Sat., 04 Apr. 0.0328 0.0281 0.0307
01:01-02:00, Sat., 04 Apr. 0.0328 0.0288 0.0306
00:01-01:00, Sat., 04 Apr. 0.0331 0.0285 0.0305
23:01-24:00, Fri., 03 Apr. 0.0329 0.0282 0.0302
22:01-23:00, Fri., 03 Apr. 0.0321 0.0283 0.0303
21:01-22:00, Fri., 03 Apr. 0.0322 0.0284 0.0303
20:01-21:00, Fri., 03 Apr. 0.0320 0.0285 0.0299
19:01-20:00, Fri., 03 Apr. 0.0317 0.0284 0.0299
18:01-19:00, Fri., 03 Apr. 0.0319 0.0274 0.0299
17:01-18:00, Fri., 03 Apr. 0.0318 0.0279 0.0298
16:01-17:00, Fri., 03 Apr. 0.0319 0.0280 0.0301
15:01-16:00, Fri., 03 Apr. 0.0320 0.0276 0.0299
14:01-15:00, Fri., 03 Apr. 0.0327 0.0283 0.0304
13:01-14:00, Fri., 03 Apr. 0.0328 0.0273 0.0302
12:01-13:00, Fri., 03 Apr. 0.0319 0.0284 0.0303
11:01-12:00, Fri., 03 Apr. 0.0326 0.0287 0.0307
10:01-11:00, Fri., 03 Apr. 0.0321 0.0281 0.0304
09:01-10:00, Fri., 03 Apr. 0.0321 0.0287 0.0304
08:01-09:00, Fri., 03 Apr. 0.0330 0.0283 0.0308
07:01-08:00, Fri., 03 Apr. 0.0336 0.0294 0.0314
06:01-07:00, Fri., 03 Apr. 0.0331 0.0295 0.0313
05:01-06:00, Fri., 03 Apr. 0.0332 0.0283 0.0308
04:01-05:00, Fri., 03 Apr. 0.0340 0.0294 0.0311
03:01-04:00, Fri., 03 Apr. 0.0336 0.0290 0.0314
02:01-03:00, Fri., 03 Apr. 0.0333 0.0285 0.0307
01:01-02:00, Fri., 03 Apr. 0.0331 0.0294 0.0307
00:01-01:00, Fri., 03 Apr. 0.0330 0.0286 0.0307
23:01-24:00, Thu., 02 Apr. 0.0325 0.0290 0.0303
22:01-23:00, Thu., 02 Apr. 0.0333 0.0286 0.0305
21:01-22:00, Thu., 02 Apr. 0.0322 0.0283 0.0302
20:01-21:00, Thu., 02 Apr. 0.0317 0.0272 0.0299
19:01-20:00, Thu., 02 Apr. 0.0320 0.0285 0.0302
18:01-19:00, Thu., 02 Apr. 0.0318 0.0282 0.0300
17:01-18:00, Thu., 02 Apr. 0.0320 0.0282 0.0302
16:01-17:00, Thu., 02 Apr. 0.0325 0.0286 0.0304
15:01-16:00, Thu., 02 Apr. 0.0328 0.0274 0.0306
14:01-15:00, Thu., 02 Apr. 0.0320 0.0273 0.0304
13:01-14:00, Thu., 02 Apr. 0.0326 0.0285 0.0302
12:01-13:00, Thu., 02 Apr. 0.0318 0.0284 0.0302
11:01-12:00, Thu., 02 Apr. 0.0316 0.0279 0.0301
10:01-11:00, Thu., 02 Apr. 0.0319 0.0279 0.0296
09:01-10:00, Thu., 02 Apr. 0.0318 0.0283 0.0299
08:01-09:00, Thu., 02 Apr. 0.0323 0.0279 0.0298
07:01-08:00, Thu., 02 Apr. 0.0319 0.0272 0.0294
06:01-07:00, Thu., 02 Apr. 0.0319 0.0271 0.0297
05:01-06:00, Thu., 02 Apr. 0.0319 0.0277 0.0298
04:01-05:00, Thu., 02 Apr. 0.0318 0.0282 0.0298
03:01-04:00, Thu., 02 Apr. 0.0318 0.0282 0.0300
02:01-03:00, Thu., 02 Apr. 0.0319 0.0282 0.0302
01:01-02:00, Thu., 02 Apr. 0.0329 0.0283 0.0306
00:01-01:00, Thu., 02 Apr. 0.0342 0.0303 0.0319
23:01-24:00, Wed., 01 Apr. 0.0348 0.0304 0.0322
22:01-23:00, Wed., 01 Apr. 0.0409 0.0308 0.0350
21:01-22:00, Wed., 01 Apr. 0.0477 0.0368 0.0423
20:01-21:00, Wed., 01 Apr. 0.0551 0.0452 0.0501
19:01-20:00, Wed., 01 Apr. 0.0524 0.0460 0.0489
18:01-19:00, Wed., 01 Apr. 0.0519 0.0438 0.0484
17:01-18:00, Wed., 01 Apr. 0.0502 0.0432 0.0458
16:01-17:00, Wed., 01 Apr. 0.0487 0.0395 0.0432
15:01-16:00, Wed., 01 Apr. 0.0466 0.0391 0.0425
14:01-15:00, Wed., 01 Apr. 0.0453 0.0388 0.0418
13:01-14:00, Wed., 01 Apr. 0.0435 0.0344 0.0394
12:01-13:00, Wed., 01 Apr. 0.0387 0.0342 0.0364
11:01-12:00, Wed., 01 Apr. 0.0376 0.0332 0.0354
10:01-11:00, Wed., 01 Apr. 0.0364 0.0327 0.0344
09:01-10:00, Wed., 01 Apr. 0.0394 0.0329 0.0355
08:01-09:00, Wed., 01 Apr. 0.0411 0.0339 0.0364
07:01-08:00, Wed., 01 Apr. 0.0365 0.0303 0.0334
06:01-07:00, Wed., 01 Apr. 0.0350 0.0310 0.0327
05:01-06:00, Wed., 01 Apr. 0.0342 0.0293 0.0318
04:01-05:00, Wed., 01 Apr. 0.0337 0.0282 0.0310
03:01-04:00, Wed., 01 Apr. 0.0333 0.0289 0.0309
02:01-03:00, Wed., 01 Apr. 0.0329 0.0284 0.0307
01:01-02:00, Wed., 01 Apr. 0.0326 0.0291 0.0305
00:01-01:00, Wed., 01 Apr. 0.0332 0.0286 0.0307
23:01-24:00, Tue., 31 Mar. 0.0324 0.0286 0.0305
22:01-23:00, Tue., 31 Mar. 0.0325 0.0283 0.0305
21:01-22:00, Tue., 31 Mar. 0.0339 0.0287 0.0308
20:01-21:00, Tue., 31 Mar. 0.0335 0.0292 0.0312
19:01-20:00, Tue., 31 Mar. 0.0322 0.0289 0.0308
18:01-19:00, Tue., 31 Mar. 0.0325 0.0291 0.0306
17:01-18:00, Tue., 31 Mar. 0.0320 0.0292 0.0307
16:01-17:00, Tue., 31 Mar. 0.0337 0.0289 0.0309
15:01-16:00, Tue., 31 Mar. 0.0343 0.0306 0.0324
14:01-15:00, Tue., 31 Mar. 0.0340 0.0291 0.0313
13:01-14:00, Tue., 31 Mar. 0.0330 0.0294 0.0311
12:01-13:00, Tue., 31 Mar. 0.0335 0.0290 0.0312
11:01-12:00, Tue., 31 Mar. 0.0340 0.0302 0.0322
10:01-11:00, Tue., 31 Mar. 0.0351 0.0298 0.0322
09:01-10:00, Tue., 31 Mar. 0.0336 0.0289 0.0317
08:01-09:00, Tue., 31 Mar. 0.0357 0.0308 0.0333
07:01-08:00, Tue., 31 Mar. 0.0348 0.0308 0.0328
06:01-07:00, Tue., 31 Mar. 0.0346 0.0301 0.0324
05:01-06:00, Tue., 31 Mar. 0.0353 0.0294 0.0320
04:01-05:00, Tue., 31 Mar. 0.0336 0.0301 0.0318
03:01-04:00, Tue., 31 Mar. 0.0343 0.0299 0.0323
02:01-03:00, Tue., 31 Mar. 0.0350 0.0295 0.0323
01:01-02:00, Tue., 31 Mar. 0.0344 0.0291 0.0321
00:01-01:00, Tue., 31 Mar. 0.0340 0.0300 0.0318
23:01-24:00, Mon., 30 Mar. 0.0334 0.0299 0.0316
22:01-23:00, Mon., 30 Mar. 0.0332 0.0290 0.0315
21:01-22:00, Mon., 30 Mar. 0.0334 0.0288 0.0312
20:01-21:00, Mon., 30 Mar. 0.0345 0.0279 0.0300
19:01-20:00, Mon., 30 Mar. 0.0320 0.0276 0.0297
18:01-19:00, Mon., 30 Mar. 0.0316 0.0277 0.0296
17:01-18:00, Mon., 30 Mar. 0.0316 0.0279 0.0296
16:01-17:00, Mon., 30 Mar. 0.0320 0.0281 0.0298
15:01-16:00, Mon., 30 Mar. 0.0325 0.0280 0.0300
14:01-15:00, Mon., 30 Mar. 0.0321 0.0284 0.0296
13:01-14:00, Mon., 30 Mar. 0.0317 0.0279 0.0296
12:01-13:00, Mon., 30 Mar. 0.0317 0.0278 0.0293
11:01-12:00, Mon., 30 Mar. 0.0316 0.0270 0.0292
10:01-11:00, Mon., 30 Mar. 0.0311 0.0266 0.0293
09:01-10:00, Mon., 30 Mar. 0.0310 0.0278 0.0293
08:01-09:00, Mon., 30 Mar. 0.0342 0.0277 0.0300
07:01-08:00, Mon., 30 Mar. 0.0318 0.0282 0.0300
06:01-07:00, Mon., 30 Mar. 0.0321 0.0279 0.0297
05:01-06:00, Mon., 30 Mar. 0.0307 0.0264 0.0288
04:01-05:00, Mon., 30 Mar. 0.0300 0.0266 0.0286
03:01-04:00, Mon., 30 Mar. 0.0308 0.0264 0.0285
02:01-03:00, Mon., 30 Mar. 0.0309 0.0266 0.0284
01:01-02:00, Mon., 30 Mar. 0.0297 0.0254 0.0281
00:01-01:00, Mon., 30 Mar. 0.0302 0.0254 0.0281