Measurement results by the hour (Chofu) 13 Jan., 2020 - 19 Jan., 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., 19 Jan. 0.0302 0.0255 0.0279
22:01-23:00, Sun., 19 Jan. 0.0295 0.0251 0.0277
21:01-22:00, Sun., 19 Jan. 0.0295 0.0252 0.0276
20:01-21:00, Sun., 19 Jan. 0.0300 0.0252 0.0274
19:01-20:00, Sun., 19 Jan. 0.0296 0.0257 0.0273
18:01-19:00, Sun., 19 Jan. 0.0301 0.0253 0.0271
17:01-18:00, Sun., 19 Jan. 0.0287 0.0258 0.0273
16:01-17:00, Sun., 19 Jan. 0.0297 0.0253 0.0272
15:01-16:00, Sun., 19 Jan. 0.0290 0.0253 0.0272
14:01-15:00, Sun., 19 Jan. 0.0300 0.0251 0.0274
13:01-14:00, Sun., 19 Jan. 0.0295 0.0253 0.0275
12:01-13:00, Sun., 19 Jan. 0.0300 0.0256 0.0274
11:01-12:00, Sun., 19 Jan. 0.0296 0.0257 0.0277
10:01-11:00, Sun., 19 Jan. 0.0297 0.0259 0.0280
09:01-10:00, Sun., 19 Jan. 0.0293 0.0264 0.0279
08:01-09:00, Sun., 19 Jan. 0.0308 0.0268 0.0285
07:01-08:00, Sun., 19 Jan. 0.0307 0.0261 0.0286
06:01-07:00, Sun., 19 Jan. 0.0301 0.0261 0.0282
05:01-06:00, Sun., 19 Jan. 0.0295 0.0259 0.0276
04:01-05:00, Sun., 19 Jan. 0.0294 0.0257 0.0276
03:01-04:00, Sun., 19 Jan. 0.0294 0.0250 0.0275
02:01-03:00, Sun., 19 Jan. 0.0301 0.0253 0.0276
01:01-02:00, Sun., 19 Jan. 0.0306 0.0256 0.0275
00:01-01:00, Sun., 19 Jan. 0.0298 0.0256 0.0277
23:01-24:00, Sat., 18 Jan. 0.0321 0.0272 0.0293
22:01-23:00, Sat., 18 Jan. 0.0336 0.0300 0.0317
21:01-22:00, Sat., 18 Jan. 0.0322 0.0276 0.0298
20:01-21:00, Sat., 18 Jan. 0.0324 0.0281 0.0300
19:01-20:00, Sat., 18 Jan. 0.0336 0.0296 0.0314
18:01-19:00, Sat., 18 Jan. 0.0348 0.0298 0.0324
17:01-18:00, Sat., 18 Jan. 0.0369 0.0320 0.0344
16:01-17:00, Sat., 18 Jan. 0.0405 0.0331 0.0360
15:01-16:00, Sat., 18 Jan. 0.0401 0.0345 0.0363
14:01-15:00, Sat., 18 Jan. 0.0408 0.0345 0.0373
13:01-14:00, Sat., 18 Jan. 0.0417 0.0358 0.0378
12:01-13:00, Sat., 18 Jan. 0.0413 0.0347 0.0374
11:01-12:00, Sat., 18 Jan. 0.0423 0.0355 0.0379
10:01-11:00, Sat., 18 Jan. 0.0434 0.0368 0.0401
09:01-10:00, Sat., 18 Jan. 0.0457 0.0372 0.0414
08:01-09:00, Sat., 18 Jan. 0.0438 0.0378 0.0412
07:01-08:00, Sat., 18 Jan. 0.0427 0.0343 0.0380
06:01-07:00, Sat., 18 Jan. 0.0373 0.0318 0.0346
05:01-06:00, Sat., 18 Jan. 0.0339 0.0281 0.0301
04:01-05:00, Sat., 18 Jan. 0.0340 0.0289 0.0315
03:01-04:00, Sat., 18 Jan. 0.0353 0.0302 0.0325
02:01-03:00, Sat., 18 Jan. 0.0389 0.0316 0.0347
01:01-02:00, Sat., 18 Jan. 0.0424 0.0311 0.0368
00:01-01:00, Sat., 18 Jan. 0.0336 0.0271 0.0298
23:01-24:00, Fri., 17 Jan. 0.0306 0.0257 0.0283
22:01-23:00, Fri., 17 Jan. 0.0300 0.0258 0.0279
21:01-22:00, Fri., 17 Jan. 0.0294 0.0255 0.0274
20:01-21:00, Fri., 17 Jan. 0.0291 0.0255 0.0273
19:01-20:00, Fri., 17 Jan. 0.0296 0.0257 0.0275
18:01-19:00, Fri., 17 Jan. 0.0295 0.0256 0.0277
17:01-18:00, Fri., 17 Jan. 0.0293 0.0259 0.0275
16:01-17:00, Fri., 17 Jan. 0.0291 0.0255 0.0276
15:01-16:00, Fri., 17 Jan. 0.0300 0.0259 0.0280
14:01-15:00, Fri., 17 Jan. 0.0299 0.0260 0.0280
13:01-14:00, Fri., 17 Jan. 0.0302 0.0264 0.0284
12:01-13:00, Fri., 17 Jan. 0.0306 0.0267 0.0286
11:01-12:00, Fri., 17 Jan. 0.0309 0.0267 0.0291
10:01-11:00, Fri., 17 Jan. 0.0316 0.0280 0.0297
09:01-10:00, Fri., 17 Jan. 0.0325 0.0281 0.0303
08:01-09:00, Fri., 17 Jan. 0.0326 0.0277 0.0302
07:01-08:00, Fri., 17 Jan. 0.0320 0.0277 0.0296
06:01-07:00, Fri., 17 Jan. 0.0315 0.0266 0.0286
05:01-06:00, Fri., 17 Jan. 0.0308 0.0267 0.0286
04:01-05:00, Fri., 17 Jan. 0.0307 0.0263 0.0285
03:01-04:00, Fri., 17 Jan. 0.0302 0.0263 0.0282
02:01-03:00, Fri., 17 Jan. 0.0307 0.0262 0.0284
01:01-02:00, Fri., 17 Jan. 0.0309 0.0266 0.0285
00:01-01:00, Fri., 17 Jan. 0.0302 0.0255 0.0285
23:01-24:00, Thu., 16 Jan. 0.0303 0.0273 0.0288
22:01-23:00, Thu., 16 Jan. 0.0313 0.0270 0.0288
21:01-22:00, Thu., 16 Jan. 0.0308 0.0267 0.0284
20:01-21:00, Thu., 16 Jan. 0.0292 0.0259 0.0278
19:01-20:00, Thu., 16 Jan. 0.0298 0.0253 0.0275
18:01-19:00, Thu., 16 Jan. 0.0289 0.0245 0.0273
17:01-18:00, Thu., 16 Jan. 0.0298 0.0252 0.0275
16:01-17:00, Thu., 16 Jan. 0.0297 0.0253 0.0272
15:01-16:00, Thu., 16 Jan. 0.0293 0.0249 0.0274
14:01-15:00, Thu., 16 Jan. 0.0296 0.0257 0.0274
13:01-14:00, Thu., 16 Jan. 0.0290 0.0258 0.0274
12:01-13:00, Thu., 16 Jan. 0.0294 0.0262 0.0279
11:01-12:00, Thu., 16 Jan. 0.0301 0.0256 0.0278
10:01-11:00, Thu., 16 Jan. 0.0299 0.0257 0.0277
09:01-10:00, Thu., 16 Jan. 0.0296 0.0255 0.0277
08:01-09:00, Thu., 16 Jan. 0.0292 0.0263 0.0277
07:01-08:00, Thu., 16 Jan. 0.0293 0.0258 0.0276
06:01-07:00, Thu., 16 Jan. 0.0297 0.0257 0.0277
05:01-06:00, Thu., 16 Jan. 0.0296 0.0261 0.0279
04:01-05:00, Thu., 16 Jan. 0.0292 0.0258 0.0275
03:01-04:00, Thu., 16 Jan. 0.0292 0.0262 0.0277
02:01-03:00, Thu., 16 Jan. 0.0292 0.0256 0.0276
01:01-02:00, Thu., 16 Jan. 0.0290 0.0256 0.0275
00:01-01:00, Thu., 16 Jan. 0.0295 0.0257 0.0273
23:01-24:00, Wed., 15 Jan. 0.0286 0.0259 0.0274
22:01-23:00, Wed., 15 Jan. 0.0293 0.0261 0.0277
21:01-22:00, Wed., 15 Jan. 0.0299 0.0250 0.0276
20:01-21:00, Wed., 15 Jan. 0.0297 0.0250 0.0279
19:01-20:00, Wed., 15 Jan. 0.0310 0.0268 0.0288
18:01-19:00, Wed., 15 Jan. 0.0369 0.0290 0.0330
17:01-18:00, Wed., 15 Jan. 0.0484 0.0357 0.0418
16:01-17:00, Wed., 15 Jan. 0.0430 0.0265 0.0297
15:01-16:00, Wed., 15 Jan. 0.0303 0.0265 0.0282
14:01-15:00, Wed., 15 Jan. 0.0308 0.0271 0.0290
13:01-14:00, Wed., 15 Jan. 0.0333 0.0284 0.0305
12:01-13:00, Wed., 15 Jan. 0.0376 0.0309 0.0341
11:01-12:00, Wed., 15 Jan. 0.0367 0.0307 0.0338
10:01-11:00, Wed., 15 Jan. 0.0348 0.0297 0.0322
09:01-10:00, Wed., 15 Jan. 0.0379 0.0319 0.0353
08:01-09:00, Wed., 15 Jan. 0.0367 0.0310 0.0340
07:01-08:00, Wed., 15 Jan. 0.0366 0.0307 0.0340
06:01-07:00, Wed., 15 Jan. 0.0395 0.0308 0.0352
05:01-06:00, Wed., 15 Jan. 0.0429 0.0357 0.0393
04:01-05:00, Wed., 15 Jan. 0.0534 0.0404 0.0457
03:01-04:00, Wed., 15 Jan. 0.0521 0.0410 0.0471
02:01-03:00, Wed., 15 Jan. 0.0435 0.0308 0.0361
01:01-02:00, Wed., 15 Jan. 0.0340 0.0279 0.0314
00:01-01:00, Wed., 15 Jan. 0.0322 0.0273 0.0295
23:01-24:00, Tue., 14 Jan. 0.0321 0.0274 0.0290
22:01-23:00, Tue., 14 Jan. 0.0308 0.0267 0.0291
21:01-22:00, Tue., 14 Jan. 0.0309 0.0260 0.0287
20:01-21:00, Tue., 14 Jan. 0.0295 0.0258 0.0281
19:01-20:00, Tue., 14 Jan. 0.0302 0.0262 0.0278
18:01-19:00, Tue., 14 Jan. 0.0299 0.0262 0.0279
17:01-18:00, Tue., 14 Jan. 0.0293 0.0257 0.0276
16:01-17:00, Tue., 14 Jan. 0.0298 0.0255 0.0276
15:01-16:00, Tue., 14 Jan. 0.0301 0.0256 0.0276
14:01-15:00, Tue., 14 Jan. 0.0305 0.0250 0.0278
13:01-14:00, Tue., 14 Jan. 0.0304 0.0262 0.0282
12:01-13:00, Tue., 14 Jan. 0.0301 0.0267 0.0283
11:01-12:00, Tue., 14 Jan. 0.0308 0.0263 0.0286
10:01-11:00, Tue., 14 Jan. 0.0305 0.0260 0.0284
09:01-10:00, Tue., 14 Jan. 0.0310 0.0273 0.0289
08:01-09:00, Tue., 14 Jan. 0.0312 0.0267 0.0289
07:01-08:00, Tue., 14 Jan. 0.0308 0.0269 0.0285
06:01-07:00, Tue., 14 Jan. 0.0306 0.0262 0.0286
05:01-06:00, Tue., 14 Jan. 0.0310 0.0267 0.0285
04:01-05:00, Tue., 14 Jan. 0.0308 0.0258 0.0287
03:01-04:00, Tue., 14 Jan. 0.0309 0.0269 0.0286
02:01-03:00, Tue., 14 Jan. 0.0302 0.0271 0.0285
01:01-02:00, Tue., 14 Jan. 0.0311 0.0265 0.0286
00:01-01:00, Tue., 14 Jan. 0.0303 0.0270 0.0284
23:01-24:00, Mon., 13 Jan. 0.0298 0.0262 0.0281
22:01-23:00, Mon., 13 Jan. 0.0309 0.0259 0.0280
21:01-22:00, Mon., 13 Jan. 0.0303 0.0260 0.0280
20:01-21:00, Mon., 13 Jan. 0.0297 0.0263 0.0281
19:01-20:00, Mon., 13 Jan. 0.0301 0.0266 0.0285
18:01-19:00, Mon., 13 Jan. 0.0300 0.0260 0.0280
17:01-18:00, Mon., 13 Jan. 0.0303 0.0258 0.0281
16:01-17:00, Mon., 13 Jan. 0.0300 0.0265 0.0281
15:01-16:00, Mon., 13 Jan. 0.0304 0.0257 0.0282
14:01-15:00, Mon., 13 Jan. 0.0298 0.0264 0.0281
13:01-14:00, Mon., 13 Jan. 0.0303 0.0262 0.0283
12:01-13:00, Mon., 13 Jan. 0.0300 0.0267 0.0288
11:01-12:00, Mon., 13 Jan. 0.0313 0.0272 0.0291
10:01-11:00, Mon., 13 Jan. 0.0314 0.0276 0.0294
09:01-10:00, Mon., 13 Jan. 0.0330 0.0283 0.0307
08:01-09:00, Mon., 13 Jan. 0.0335 0.0297 0.0316
07:01-08:00, Mon., 13 Jan. 0.0336 0.0296 0.0313
06:01-07:00, Mon., 13 Jan. 0.0327 0.0288 0.0309
05:01-06:00, Mon., 13 Jan. 0.0339 0.0287 0.0309
04:01-05:00, Mon., 13 Jan. 0.0332 0.0287 0.0306
03:01-04:00, Mon., 13 Jan. 0.0325 0.0278 0.0300
02:01-03:00, Mon., 13 Jan. 0.0321 0.0277 0.0296
01:01-02:00, Mon., 13 Jan. 0.0308 0.0265 0.0287
00:01-01:00, Mon., 13 Jan. 0.0306 0.0272 0.0287