Measurement results by the hour (Chofu) 29 May., 2023 - 4 Jun., 2023

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., 04 Jun. 0.0297 0.0262 0.0281
22:01-23:00, Sun., 04 Jun. 0.0301 0.0259 0.0280
21:01-22:00, Sun., 04 Jun. 0.0304 0.0254 0.0278
20:01-21:00, Sun., 04 Jun. 0.0291 0.0251 0.0274
19:01-20:00, Sun., 04 Jun. 0.0298 0.0260 0.0278
18:01-19:00, Sun., 04 Jun. 0.0297 0.0257 0.0276
17:01-18:00, Sun., 04 Jun. 0.0294 0.0254 0.0276
16:01-17:00, Sun., 04 Jun. 0.0305 0.0252 0.0279
15:01-16:00, Sun., 04 Jun. 0.0294 0.0260 0.0277
14:01-15:00, Sun., 04 Jun. 0.0297 0.0257 0.0276
13:01-14:00, Sun., 04 Jun. 0.0296 0.0256 0.0273
12:01-13:00, Sun., 04 Jun. 0.0297 0.0246 0.0277
11:01-12:00, Sun., 04 Jun. 0.0302 0.0254 0.0274
10:01-11:00, Sun., 04 Jun. 0.0296 0.0256 0.0275
09:01-10:00, Sun., 04 Jun. 0.0299 0.0252 0.0278
08:01-09:00, Sun., 04 Jun. 0.0299 0.0255 0.0276
07:01-08:00, Sun., 04 Jun. 0.0297 0.0256 0.0279
06:01-07:00, Sun., 04 Jun. 0.0307 0.0259 0.0280
05:01-06:00, Sun., 04 Jun. 0.0304 0.0261 0.0281
04:01-05:00, Sun., 04 Jun. 0.0297 0.0262 0.0279
03:01-04:00, Sun., 04 Jun. 0.0296 0.0262 0.0280
02:01-03:00, Sun., 04 Jun. 0.0301 0.0254 0.0277
01:01-02:00, Sun., 04 Jun. 0.0297 0.0247 0.0274
00:01-01:00, Sun., 04 Jun. 0.0298 0.0250 0.0275
23:01-24:00, Sat., 03 Jun. 0.0304 0.0254 0.0278
22:01-23:00, Sat., 03 Jun. 0.0305 0.0249 0.0275
21:01-22:00, Sat., 03 Jun. 0.0297 0.0253 0.0277
20:01-21:00, Sat., 03 Jun. 0.0308 0.0256 0.0274
19:01-20:00, Sat., 03 Jun. 0.0297 0.0255 0.0275
18:01-19:00, Sat., 03 Jun. 0.0303 0.0254 0.0274
17:01-18:00, Sat., 03 Jun. 0.0302 0.0258 0.0278
16:01-17:00, Sat., 03 Jun. 0.0306 0.0256 0.0279
15:01-16:00, Sat., 03 Jun. 0.0302 0.0259 0.0277
14:01-15:00, Sat., 03 Jun. 0.0306 0.0262 0.0277
13:01-14:00, Sat., 03 Jun. 0.0298 0.0256 0.0274
12:01-13:00, Sat., 03 Jun. 0.0298 0.0262 0.0278
11:01-12:00, Sat., 03 Jun. 0.0310 0.0262 0.0288
10:01-11:00, Sat., 03 Jun. 0.0363 0.0281 0.0321
09:01-10:00, Sat., 03 Jun. 0.0443 0.0337 0.0395
08:01-09:00, Sat., 03 Jun. 0.0489 0.0401 0.0447
07:01-08:00, Sat., 03 Jun. 0.0493 0.0432 0.0458
06:01-07:00, Sat., 03 Jun. 0.0479 0.0399 0.0438
05:01-06:00, Sat., 03 Jun. 0.0461 0.0384 0.0425
04:01-05:00, Sat., 03 Jun. 0.0464 0.0401 0.0430
03:01-04:00, Sat., 03 Jun. 0.0452 0.0381 0.0416
02:01-03:00, Sat., 03 Jun. 0.0498 0.0419 0.0455
01:01-02:00, Sat., 03 Jun. 0.0501 0.0419 0.0463
00:01-01:00, Sat., 03 Jun. 0.0476 0.0414 0.0446
23:01-24:00, Fri., 02 Jun. 0.0435 0.0351 0.0390
22:01-23:00, Fri., 02 Jun. 0.0395 0.0349 0.0373
21:01-22:00, Fri., 02 Jun. 0.0384 0.0325 0.0352
20:01-21:00, Fri., 02 Jun. 0.0385 0.0325 0.0350
19:01-20:00, Fri., 02 Jun. 0.0399 0.0329 0.0368
18:01-19:00, Fri., 02 Jun. 0.0398 0.0343 0.0366
17:01-18:00, Fri., 02 Jun. 0.0394 0.0328 0.0358
16:01-17:00, Fri., 02 Jun. 0.0363 0.0310 0.0332
15:01-16:00, Fri., 02 Jun. 0.0332 0.0297 0.0315
14:01-15:00, Fri., 02 Jun. 0.0339 0.0290 0.0317
13:01-14:00, Fri., 02 Jun. 0.0332 0.0279 0.0306
12:01-13:00, Fri., 02 Jun. 0.0318 0.0280 0.0299
11:01-12:00, Fri., 02 Jun. 0.0332 0.0286 0.0307
10:01-11:00, Fri., 02 Jun. 0.0374 0.0290 0.0332
09:01-10:00, Fri., 02 Jun. 0.0380 0.0332 0.0354
08:01-09:00, Fri., 02 Jun. 0.0386 0.0329 0.0356
07:01-08:00, Fri., 02 Jun. 0.0384 0.0342 0.0363
06:01-07:00, Fri., 02 Jun. 0.0400 0.0350 0.0379
05:01-06:00, Fri., 02 Jun. 0.0412 0.0349 0.0377
04:01-05:00, Fri., 02 Jun. 0.0435 0.0373 0.0409
03:01-04:00, Fri., 02 Jun. 0.0461 0.0395 0.0425
02:01-03:00, Fri., 02 Jun. 0.0436 0.0368 0.0402
01:01-02:00, Fri., 02 Jun. 0.0398 0.0336 0.0365
00:01-01:00, Fri., 02 Jun. 0.0378 0.0276 0.0335
23:01-24:00, Thu., 01 Jun. 0.0310 0.0256 0.0282
22:01-23:00, Thu., 01 Jun. 0.0297 0.0263 0.0278
21:01-22:00, Thu., 01 Jun. 0.0302 0.0257 0.0278
20:01-21:00, Thu., 01 Jun. 0.0298 0.0258 0.0277
19:01-20:00, Thu., 01 Jun. 0.0303 0.0259 0.0280
18:01-19:00, Thu., 01 Jun. 0.0299 0.0255 0.0279
17:01-18:00, Thu., 01 Jun. 0.0300 0.0256 0.0277
16:01-17:00, Thu., 01 Jun. 0.0301 0.0263 0.0279
15:01-16:00, Thu., 01 Jun. 0.0299 0.0249 0.0278
14:01-15:00, Thu., 01 Jun. 0.0294 0.0257 0.0277
13:01-14:00, Thu., 01 Jun. 0.0310 0.0258 0.0276
12:01-13:00, Thu., 01 Jun. 0.0296 0.0257 0.0277
11:01-12:00, Thu., 01 Jun. 0.0298 0.0257 0.0276
10:01-11:00, Thu., 01 Jun. 0.0297 0.0252 0.0275
09:01-10:00, Thu., 01 Jun. 0.0303 0.0258 0.0277
08:01-09:00, Thu., 01 Jun. 0.0304 0.0264 0.0285
07:01-08:00, Thu., 01 Jun. 0.0309 0.0266 0.0287
06:01-07:00, Thu., 01 Jun. 0.0312 0.0266 0.0291
05:01-06:00, Thu., 01 Jun. 0.0308 0.0265 0.0290
04:01-05:00, Thu., 01 Jun. 0.0310 0.0267 0.0287
03:01-04:00, Thu., 01 Jun. 0.0304 0.0269 0.0287
02:01-03:00, Thu., 01 Jun. 0.0308 0.0269 0.0287
01:01-02:00, Thu., 01 Jun. 0.0313 0.0266 0.0288
00:01-01:00, Thu., 01 Jun. 0.0307 0.0263 0.0286
23:01-24:00, Wed., 31 May. 0.0304 0.0266 0.0284
22:01-23:00, Wed., 31 May. 0.0293 0.0252 0.0276
21:01-22:00, Wed., 31 May. 0.0301 0.0256 0.0278
20:01-21:00, Wed., 31 May. 0.0293 0.0256 0.0276
19:01-20:00, Wed., 31 May. 0.0298 0.0253 0.0275
18:01-19:00, Wed., 31 May. 0.0287 0.0254 0.0276
17:01-18:00, Wed., 31 May. 0.0293 0.0263 0.0278
16:01-17:00, Wed., 31 May. 0.0292 0.0249 0.0274
15:01-16:00, Wed., 31 May. 0.0297 0.0247 0.0276
14:01-15:00, Wed., 31 May. 0.0305 0.0256 0.0277
13:01-14:00, Wed., 31 May. 0.0297 0.0251 0.0279
12:01-13:00, Wed., 31 May. 0.0297 0.0262 0.0279
11:01-12:00, Wed., 31 May. 0.0303 0.0252 0.0279
10:01-11:00, Wed., 31 May. 0.0300 0.0264 0.0277
09:01-10:00, Wed., 31 May. 0.0301 0.0253 0.0279
08:01-09:00, Wed., 31 May. 0.0301 0.0262 0.0281
07:01-08:00, Wed., 31 May. 0.0304 0.0257 0.0280
06:01-07:00, Wed., 31 May. 0.0300 0.0259 0.0277
05:01-06:00, Wed., 31 May. 0.0307 0.0256 0.0282
04:01-05:00, Wed., 31 May. 0.0318 0.0275 0.0297
03:01-04:00, Wed., 31 May. 0.0343 0.0281 0.0308
02:01-03:00, Wed., 31 May. 0.0330 0.0275 0.0306
01:01-02:00, Wed., 31 May. 0.0339 0.0285 0.0311
00:01-01:00, Wed., 31 May. 0.0348 0.0266 0.0311
23:01-24:00, Tue., 30 May. 0.0301 0.0254 0.0280
22:01-23:00, Tue., 30 May. 0.0301 0.0252 0.0280
21:01-22:00, Tue., 30 May. 0.0300 0.0255 0.0277
20:01-21:00, Tue., 30 May. 0.0300 0.0260 0.0278
19:01-20:00, Tue., 30 May. 0.0298 0.0262 0.0279
18:01-19:00, Tue., 30 May. 0.0300 0.0258 0.0279
17:01-18:00, Tue., 30 May. 0.0294 0.0262 0.0280
16:01-17:00, Tue., 30 May. 0.0304 0.0257 0.0279
15:01-16:00, Tue., 30 May. 0.0294 0.0257 0.0279
14:01-15:00, Tue., 30 May. 0.0298 0.0256 0.0278
13:01-14:00, Tue., 30 May. 0.0304 0.0245 0.0282
12:01-13:00, Tue., 30 May. 0.0301 0.0256 0.0277
11:01-12:00, Tue., 30 May. 0.0302 0.0262 0.0284
10:01-11:00, Tue., 30 May. 0.0304 0.0251 0.0283
09:01-10:00, Tue., 30 May. 0.0308 0.0257 0.0283
08:01-09:00, Tue., 30 May. 0.0308 0.0264 0.0284
07:01-08:00, Tue., 30 May. 0.0308 0.0266 0.0287
06:01-07:00, Tue., 30 May. 0.0317 0.0269 0.0292
05:01-06:00, Tue., 30 May. 0.0318 0.0281 0.0298
04:01-05:00, Tue., 30 May. 0.0331 0.0283 0.0309
03:01-04:00, Tue., 30 May. 0.0314 0.0270 0.0295
02:01-03:00, Tue., 30 May. 0.0321 0.0280 0.0298
01:01-02:00, Tue., 30 May. 0.0324 0.0273 0.0299
00:01-01:00, Tue., 30 May. 0.0368 0.0296 0.0338
23:01-24:00, Mon., 29 May. 0.0441 0.0346 0.0382
22:01-23:00, Mon., 29 May. 0.0472 0.0419 0.0443
21:01-22:00, Mon., 29 May. 0.0516 0.0436 0.0476
20:01-21:00, Mon., 29 May. 0.0516 0.0459 0.0485
19:01-20:00, Mon., 29 May. 0.0474 0.0316 0.0392
18:01-19:00, Mon., 29 May. 0.0334 0.0266 0.0305
17:01-18:00, Mon., 29 May. 0.0397 0.0310 0.0357
16:01-17:00, Mon., 29 May. 0.0487 0.0381 0.0435
15:01-16:00, Mon., 29 May. 0.0432 0.0299 0.0351
14:01-15:00, Mon., 29 May. 0.0359 0.0267 0.0322
13:01-14:00, Mon., 29 May. 0.0305 0.0262 0.0281
12:01-13:00, Mon., 29 May. 0.0299 0.0266 0.0279
11:01-12:00, Mon., 29 May. 0.0311 0.0258 0.0282
10:01-11:00, Mon., 29 May. 0.0321 0.0254 0.0287
09:01-10:00, Mon., 29 May. 0.0316 0.0283 0.0300
08:01-09:00, Mon., 29 May. 0.0349 0.0290 0.0316
07:01-08:00, Mon., 29 May. 0.0385 0.0327 0.0350
06:01-07:00, Mon., 29 May. 0.0498 0.0357 0.0421
05:01-06:00, Mon., 29 May. 0.0551 0.0454 0.0514
04:01-05:00, Mon., 29 May. 0.0471 0.0391 0.0423
03:01-04:00, Mon., 29 May. 0.0440 0.0373 0.0412
02:01-03:00, Mon., 29 May. 0.0380 0.0317 0.0347
01:01-02:00, Mon., 29 May. 0.0356 0.0280 0.0317
00:01-01:00, Mon., 29 May. 0.0311 0.0267 0.0290