Measurement results by the hour (Chofu) 14 Oct., 2019 - 20 Oct., 2019

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 Oct. 0.0284 0.0247 0.0266
22:01-23:00, Sun., 20 Oct. 0.0283 0.0246 0.0267
21:01-22:00, Sun., 20 Oct. 0.0290 0.0246 0.0269
20:01-21:00, Sun., 20 Oct. 0.0291 0.0249 0.0268
19:01-20:00, Sun., 20 Oct. 0.0282 0.0242 0.0268
18:01-19:00, Sun., 20 Oct. 0.0289 0.0249 0.0270
17:01-18:00, Sun., 20 Oct. 0.0291 0.0252 0.0270
16:01-17:00, Sun., 20 Oct. 0.0289 0.0250 0.0269
15:01-16:00, Sun., 20 Oct. 0.0286 0.0246 0.0267
14:01-15:00, Sun., 20 Oct. 0.0284 0.0239 0.0269
13:01-14:00, Sun., 20 Oct. 0.0303 0.0247 0.0273
12:01-13:00, Sun., 20 Oct. 0.0290 0.0255 0.0272
11:01-12:00, Sun., 20 Oct. 0.0287 0.0259 0.0275
10:01-11:00, Sun., 20 Oct. 0.0289 0.0255 0.0271
09:01-10:00, Sun., 20 Oct. 0.0297 0.0248 0.0274
08:01-09:00, Sun., 20 Oct. 0.0293 0.0253 0.0276
07:01-08:00, Sun., 20 Oct. 0.0305 0.0259 0.0283
06:01-07:00, Sun., 20 Oct. 0.0295 0.0253 0.0281
05:01-06:00, Sun., 20 Oct. 0.0305 0.0260 0.0284
04:01-05:00, Sun., 20 Oct. 0.0307 0.0263 0.0283
03:01-04:00, Sun., 20 Oct. 0.0302 0.0263 0.0281
02:01-03:00, Sun., 20 Oct. 0.0294 0.0260 0.0278
01:01-02:00, Sun., 20 Oct. 0.0298 0.0259 0.0279
00:01-01:00, Sun., 20 Oct. 0.0294 0.0260 0.0276
23:01-24:00, Sat., 19 Oct. 0.0294 0.0255 0.0274
22:01-23:00, Sat., 19 Oct. 0.0296 0.0255 0.0272
21:01-22:00, Sat., 19 Oct. 0.0296 0.0254 0.0272
20:01-21:00, Sat., 19 Oct. 0.0283 0.0249 0.0270
19:01-20:00, Sat., 19 Oct. 0.0292 0.0249 0.0270
18:01-19:00, Sat., 19 Oct. 0.0287 0.0253 0.0270
17:01-18:00, Sat., 19 Oct. 0.0293 0.0250 0.0269
16:01-17:00, Sat., 19 Oct. 0.0293 0.0253 0.0269
15:01-16:00, Sat., 19 Oct. 0.0291 0.0248 0.0269
14:01-15:00, Sat., 19 Oct. 0.0298 0.0248 0.0267
13:01-14:00, Sat., 19 Oct. 0.0280 0.0249 0.0267
12:01-13:00, Sat., 19 Oct. 0.0289 0.0249 0.0267
11:01-12:00, Sat., 19 Oct. 0.0293 0.0240 0.0270
10:01-11:00, Sat., 19 Oct. 0.0301 0.0251 0.0278
09:01-10:00, Sat., 19 Oct. 0.0320 0.0277 0.0297
08:01-09:00, Sat., 19 Oct. 0.0346 0.0288 0.0323
07:01-08:00, Sat., 19 Oct. 0.0352 0.0296 0.0325
06:01-07:00, Sat., 19 Oct. 0.0390 0.0334 0.0357
05:01-06:00, Sat., 19 Oct. 0.0427 0.0354 0.0390
04:01-05:00, Sat., 19 Oct. 0.0397 0.0351 0.0371
03:01-04:00, Sat., 19 Oct. 0.0398 0.0344 0.0364
02:01-03:00, Sat., 19 Oct. 0.0379 0.0334 0.0360
01:01-02:00, Sat., 19 Oct. 0.0433 0.0350 0.0381
00:01-01:00, Sat., 19 Oct. 0.0438 0.0371 0.0410
23:01-24:00, Fri., 18 Oct. 0.0424 0.0361 0.0392
22:01-23:00, Fri., 18 Oct. 0.0418 0.0317 0.0357
21:01-22:00, Fri., 18 Oct. 0.0371 0.0325 0.0351
20:01-21:00, Fri., 18 Oct. 0.0418 0.0344 0.0374
19:01-20:00, Fri., 18 Oct. 0.0372 0.0267 0.0311
18:01-19:00, Fri., 18 Oct. 0.0324 0.0262 0.0294
17:01-18:00, Fri., 18 Oct. 0.0334 0.0285 0.0309
16:01-17:00, Fri., 18 Oct. 0.0306 0.0259 0.0283
15:01-16:00, Fri., 18 Oct. 0.0299 0.0259 0.0281
14:01-15:00, Fri., 18 Oct. 0.0313 0.0272 0.0291
13:01-14:00, Fri., 18 Oct. 0.0299 0.0255 0.0278
12:01-13:00, Fri., 18 Oct. 0.0300 0.0256 0.0280
11:01-12:00, Fri., 18 Oct. 0.0301 0.0266 0.0281
10:01-11:00, Fri., 18 Oct. 0.0306 0.0262 0.0284
09:01-10:00, Fri., 18 Oct. 0.0295 0.0261 0.0276
08:01-09:00, Fri., 18 Oct. 0.0299 0.0264 0.0278
07:01-08:00, Fri., 18 Oct. 0.0339 0.0277 0.0297
06:01-07:00, Fri., 18 Oct. 0.0378 0.0305 0.0344
05:01-06:00, Fri., 18 Oct. 0.0396 0.0338 0.0369
04:01-05:00, Fri., 18 Oct. 0.0370 0.0289 0.0327
03:01-04:00, Fri., 18 Oct. 0.0332 0.0269 0.0300
02:01-03:00, Fri., 18 Oct. 0.0306 0.0268 0.0285
01:01-02:00, Fri., 18 Oct. 0.0295 0.0261 0.0278
00:01-01:00, Fri., 18 Oct. 0.0306 0.0266 0.0285
23:01-24:00, Thu., 17 Oct. 0.0315 0.0263 0.0289
22:01-23:00, Thu., 17 Oct. 0.0382 0.0298 0.0339
21:01-22:00, Thu., 17 Oct. 0.0370 0.0300 0.0340
20:01-21:00, Thu., 17 Oct. 0.0329 0.0281 0.0301
19:01-20:00, Thu., 17 Oct. 0.0310 0.0283 0.0297
18:01-19:00, Thu., 17 Oct. 0.0340 0.0279 0.0305
17:01-18:00, Thu., 17 Oct. 0.0421 0.0317 0.0361
16:01-17:00, Thu., 17 Oct. 0.0450 0.0347 0.0393
15:01-16:00, Thu., 17 Oct. 0.0376 0.0339 0.0358
14:01-15:00, Thu., 17 Oct. 0.0376 0.0277 0.0335
13:01-14:00, Thu., 17 Oct. 0.0310 0.0266 0.0285
12:01-13:00, Thu., 17 Oct. 0.0309 0.0260 0.0278
11:01-12:00, Thu., 17 Oct. 0.0295 0.0260 0.0276
10:01-11:00, Thu., 17 Oct. 0.0298 0.0258 0.0279
09:01-10:00, Thu., 17 Oct. 0.0299 0.0255 0.0279
08:01-09:00, Thu., 17 Oct. 0.0306 0.0267 0.0284
07:01-08:00, Thu., 17 Oct. 0.0303 0.0257 0.0280
06:01-07:00, Thu., 17 Oct. 0.0300 0.0260 0.0281
05:01-06:00, Thu., 17 Oct. 0.0299 0.0264 0.0279
04:01-05:00, Thu., 17 Oct. 0.0290 0.0256 0.0277
03:01-04:00, Thu., 17 Oct. 0.0296 0.0263 0.0278
02:01-03:00, Thu., 17 Oct. 0.0294 0.0260 0.0276
01:01-02:00, Thu., 17 Oct. 0.0291 0.0257 0.0276
00:01-01:00, Thu., 17 Oct. 0.0298 0.0256 0.0277
23:01-24:00, Wed., 16 Oct. 0.0296 0.0253 0.0278
22:01-23:00, Wed., 16 Oct. 0.0303 0.0266 0.0280
21:01-22:00, Wed., 16 Oct. 0.0295 0.0261 0.0279
20:01-21:00, Wed., 16 Oct. 0.0304 0.0259 0.0282
19:01-20:00, Wed., 16 Oct. 0.0296 0.0254 0.0277
18:01-19:00, Wed., 16 Oct. 0.0297 0.0251 0.0274
17:01-18:00, Wed., 16 Oct. 0.0291 0.0256 0.0274
16:01-17:00, Wed., 16 Oct. 0.0293 0.0249 0.0274
15:01-16:00, Wed., 16 Oct. 0.0294 0.0260 0.0275
14:01-15:00, Wed., 16 Oct. 0.0288 0.0256 0.0271
13:01-14:00, Wed., 16 Oct. 0.0293 0.0252 0.0274
12:01-13:00, Wed., 16 Oct. 0.0291 0.0251 0.0275
11:01-12:00, Wed., 16 Oct. 0.0296 0.0260 0.0278
10:01-11:00, Wed., 16 Oct. 0.0306 0.0262 0.0277
09:01-10:00, Wed., 16 Oct. 0.0293 0.0260 0.0278
08:01-09:00, Wed., 16 Oct. 0.0294 0.0260 0.0280
07:01-08:00, Wed., 16 Oct. 0.0303 0.0266 0.0284
06:01-07:00, Wed., 16 Oct. 0.0317 0.0259 0.0283
05:01-06:00, Wed., 16 Oct. 0.0299 0.0257 0.0276
04:01-05:00, Wed., 16 Oct. 0.0295 0.0256 0.0278
03:01-04:00, Wed., 16 Oct. 0.0300 0.0259 0.0277
02:01-03:00, Wed., 16 Oct. 0.0294 0.0256 0.0274
01:01-02:00, Wed., 16 Oct. 0.0296 0.0257 0.0275
00:01-01:00, Wed., 16 Oct. 0.0293 0.0252 0.0275
23:01-24:00, Tue., 15 Oct. 0.0297 0.0253 0.0277
22:01-23:00, Tue., 15 Oct. 0.0297 0.0250 0.0275
21:01-22:00, Tue., 15 Oct. 0.0295 0.0258 0.0277
20:01-21:00, Tue., 15 Oct. 0.0296 0.0259 0.0278
19:01-20:00, Tue., 15 Oct. 0.0293 0.0256 0.0275
18:01-19:00, Tue., 15 Oct. 0.0299 0.0260 0.0277
17:01-18:00, Tue., 15 Oct. 0.0290 0.0245 0.0270
16:01-17:00, Tue., 15 Oct. 0.0291 0.0245 0.0269
15:01-16:00, Tue., 15 Oct. 0.0287 0.0250 0.0269
14:01-15:00, Tue., 15 Oct. 0.0287 0.0257 0.0271
13:01-14:00, Tue., 15 Oct. 0.0295 0.0255 0.0273
12:01-13:00, Tue., 15 Oct. 0.0290 0.0252 0.0272
11:01-12:00, Tue., 15 Oct. 0.0296 0.0252 0.0272
10:01-11:00, Tue., 15 Oct. 0.0291 0.0256 0.0272
09:01-10:00, Tue., 15 Oct. 0.0291 0.0256 0.0273
08:01-09:00, Tue., 15 Oct. 0.0303 0.0254 0.0272
07:01-08:00, Tue., 15 Oct. 0.0295 0.0254 0.0273
06:01-07:00, Tue., 15 Oct. 0.0295 0.0262 0.0278
05:01-06:00, Tue., 15 Oct. 0.0304 0.0260 0.0277
04:01-05:00, Tue., 15 Oct. 0.0300 0.0250 0.0277
03:01-04:00, Tue., 15 Oct. 0.0293 0.0250 0.0273
02:01-03:00, Tue., 15 Oct. 0.0293 0.0253 0.0273
01:01-02:00, Tue., 15 Oct. 0.0290 0.0249 0.0272
00:01-01:00, Tue., 15 Oct. 0.0287 0.0256 0.0272
23:01-24:00, Mon., 14 Oct. 0.0292 0.0261 0.0276
22:01-23:00, Mon., 14 Oct. 0.0308 0.0268 0.0287
21:01-22:00, Mon., 14 Oct. 0.0347 0.0286 0.0314
20:01-21:00, Mon., 14 Oct. 0.0363 0.0311 0.0341
19:01-20:00, Mon., 14 Oct. 0.0353 0.0306 0.0331
18:01-19:00, Mon., 14 Oct. 0.0362 0.0308 0.0332
17:01-18:00, Mon., 14 Oct. 0.0351 0.0262 0.0309
16:01-17:00, Mon., 14 Oct. 0.0296 0.0260 0.0281
15:01-16:00, Mon., 14 Oct. 0.0332 0.0265 0.0299
14:01-15:00, Mon., 14 Oct. 0.0392 0.0314 0.0351
13:01-14:00, Mon., 14 Oct. 0.0418 0.0351 0.0375
12:01-13:00, Mon., 14 Oct. 0.0386 0.0290 0.0336
11:01-12:00, Mon., 14 Oct. 0.0341 0.0296 0.0321
10:01-11:00, Mon., 14 Oct. 0.0420 0.0310 0.0347
09:01-10:00, Mon., 14 Oct. 0.0459 0.0378 0.0415
08:01-09:00, Mon., 14 Oct. 0.0422 0.0289 0.0360
07:01-08:00, Mon., 14 Oct. 0.0313 0.0258 0.0280
06:01-07:00, Mon., 14 Oct. 0.0296 0.0255 0.0274
05:01-06:00, Mon., 14 Oct. 0.0291 0.0257 0.0274
04:01-05:00, Mon., 14 Oct. 0.0294 0.0255 0.0272
03:01-04:00, Mon., 14 Oct. 0.0295 0.0260 0.0274
02:01-03:00, Mon., 14 Oct. 0.0293 0.0258 0.0273
01:01-02:00, Mon., 14 Oct. 0.0288 0.0258 0.0272
00:01-01:00, Mon., 14 Oct. 0.0297 0.0255 0.0272