Measurement results by the hour (Chofu) 10 Sep., 2018 - 16 Sep., 2018

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., 16 Sep. 0.0296 0.0261 0.0277
22:01-23:00, Sun., 16 Sep. 0.0306 0.0260 0.0277
21:01-22:00, Sun., 16 Sep. 0.0296 0.0260 0.0279
20:01-21:00, Sun., 16 Sep. 0.0311 0.0256 0.0276
19:01-20:00, Sun., 16 Sep. 0.0297 0.0254 0.0277
18:01-19:00, Sun., 16 Sep. 0.0298 0.0256 0.0276
17:01-18:00, Sun., 16 Sep. 0.0308 0.0259 0.0278
16:01-17:00, Sun., 16 Sep. 0.0312 0.0258 0.0277
15:01-16:00, Sun., 16 Sep. 0.0297 0.0252 0.0277
14:01-15:00, Sun., 16 Sep. 0.0295 0.0261 0.0277
13:01-14:00, Sun., 16 Sep. 0.0298 0.0259 0.0278
12:01-13:00, Sun., 16 Sep. 0.0300 0.0257 0.0275
11:01-12:00, Sun., 16 Sep. 0.0295 0.0258 0.0275
10:01-11:00, Sun., 16 Sep. 0.0300 0.0252 0.0276
09:01-10:00, Sun., 16 Sep. 0.0288 0.0255 0.0274
08:01-09:00, Sun., 16 Sep. 0.0298 0.0257 0.0278
07:01-08:00, Sun., 16 Sep. 0.0296 0.0260 0.0278
06:01-07:00, Sun., 16 Sep. 0.0298 0.0258 0.0279
05:01-06:00, Sun., 16 Sep. 0.0299 0.0258 0.0279
04:01-05:00, Sun., 16 Sep. 0.0295 0.0253 0.0278
03:01-04:00, Sun., 16 Sep. 0.0302 0.0259 0.0279
02:01-03:00, Sun., 16 Sep. 0.0300 0.0265 0.0284
01:01-02:00, Sun., 16 Sep. 0.0296 0.0248 0.0279
00:01-01:00, Sun., 16 Sep. 0.0304 0.0266 0.0282
23:01-24:00, Sat., 15 Sep. 0.0292 0.0258 0.0277
22:01-23:00, Sat., 15 Sep. 0.0307 0.0257 0.0275
21:01-22:00, Sat., 15 Sep. 0.0289 0.0259 0.0273
20:01-21:00, Sat., 15 Sep. 0.0291 0.0253 0.0274
19:01-20:00, Sat., 15 Sep. 0.0298 0.0253 0.0271
18:01-19:00, Sat., 15 Sep. 0.0292 0.0258 0.0274
17:01-18:00, Sat., 15 Sep. 0.0297 0.0258 0.0272
16:01-17:00, Sat., 15 Sep. 0.0290 0.0248 0.0273
15:01-16:00, Sat., 15 Sep. 0.0304 0.0256 0.0280
14:01-15:00, Sat., 15 Sep. 0.0322 0.0269 0.0297
13:01-14:00, Sat., 15 Sep. 0.0334 0.0293 0.0312
12:01-13:00, Sat., 15 Sep. 0.0327 0.0285 0.0304
11:01-12:00, Sat., 15 Sep. 0.0346 0.0295 0.0320
10:01-11:00, Sat., 15 Sep. 0.0352 0.0306 0.0324
09:01-10:00, Sat., 15 Sep. 0.0348 0.0301 0.0323
08:01-09:00, Sat., 15 Sep. 0.0384 0.0299 0.0341
07:01-08:00, Sat., 15 Sep. 0.0352 0.0274 0.0316
06:01-07:00, Sat., 15 Sep. 0.0292 0.0258 0.0274
05:01-06:00, Sat., 15 Sep. 0.0293 0.0257 0.0277
04:01-05:00, Sat., 15 Sep. 0.0298 0.0258 0.0278
03:01-04:00, Sat., 15 Sep. 0.0304 0.0268 0.0287
02:01-03:00, Sat., 15 Sep. 0.0332 0.0280 0.0300
01:01-02:00, Sat., 15 Sep. 0.0332 0.0284 0.0308
00:01-01:00, Sat., 15 Sep. 0.0324 0.0287 0.0304
23:01-24:00, Fri., 14 Sep. 0.0319 0.0263 0.0295
22:01-23:00, Fri., 14 Sep. 0.0314 0.0270 0.0291
21:01-22:00, Fri., 14 Sep. 0.0314 0.0259 0.0288
20:01-21:00, Fri., 14 Sep. 0.0290 0.0253 0.0275
19:01-20:00, Fri., 14 Sep. 0.0288 0.0253 0.0275
18:01-19:00, Fri., 14 Sep. 0.0292 0.0257 0.0274
17:01-18:00, Fri., 14 Sep. 0.0295 0.0251 0.0274
16:01-17:00, Fri., 14 Sep. 0.0302 0.0258 0.0273
15:01-16:00, Fri., 14 Sep. 0.0288 0.0258 0.0273
14:01-15:00, Fri., 14 Sep. 0.0294 0.0251 0.0272
13:01-14:00, Fri., 14 Sep. 0.0290 0.0251 0.0273
12:01-13:00, Fri., 14 Sep. 0.0295 0.0256 0.0274
11:01-12:00, Fri., 14 Sep. 0.0301 0.0257 0.0279
10:01-11:00, Fri., 14 Sep. 0.0309 0.0260 0.0287
09:01-10:00, Fri., 14 Sep. 0.0316 0.0280 0.0296
08:01-09:00, Fri., 14 Sep. 0.0327 0.0285 0.0305
07:01-08:00, Fri., 14 Sep. 0.0330 0.0294 0.0312
06:01-07:00, Fri., 14 Sep. 0.0331 0.0279 0.0306
05:01-06:00, Fri., 14 Sep. 0.0304 0.0268 0.0285
04:01-05:00, Fri., 14 Sep. 0.0299 0.0262 0.0282
03:01-04:00, Fri., 14 Sep. 0.0303 0.0260 0.0284
02:01-03:00, Fri., 14 Sep. 0.0310 0.0268 0.0290
01:01-02:00, Fri., 14 Sep. 0.0338 0.0284 0.0305
00:01-01:00, Fri., 14 Sep. 0.0322 0.0287 0.0305
23:01-24:00, Thu., 13 Sep. 0.0314 0.0280 0.0297
22:01-23:00, Thu., 13 Sep. 0.0313 0.0267 0.0289
21:01-22:00, Thu., 13 Sep. 0.0316 0.0274 0.0298
20:01-21:00, Thu., 13 Sep. 0.0324 0.0276 0.0295
19:01-20:00, Thu., 13 Sep. 0.0301 0.0259 0.0281
18:01-19:00, Thu., 13 Sep. 0.0298 0.0256 0.0276
17:01-18:00, Thu., 13 Sep. 0.0297 0.0259 0.0278
16:01-17:00, Thu., 13 Sep. 0.0297 0.0257 0.0279
15:01-16:00, Thu., 13 Sep. 0.0296 0.0263 0.0280
14:01-15:00, Thu., 13 Sep. 0.0296 0.0251 0.0280
13:01-14:00, Thu., 13 Sep. 0.0295 0.0261 0.0278
12:01-13:00, Thu., 13 Sep. 0.0302 0.0255 0.0278
11:01-12:00, Thu., 13 Sep. 0.0300 0.0257 0.0281
10:01-11:00, Thu., 13 Sep. 0.0306 0.0254 0.0279
09:01-10:00, Thu., 13 Sep. 0.0298 0.0259 0.0282
08:01-09:00, Thu., 13 Sep. 0.0304 0.0264 0.0283
07:01-08:00, Thu., 13 Sep. 0.0307 0.0265 0.0286
06:01-07:00, Thu., 13 Sep. 0.0306 0.0266 0.0285
05:01-06:00, Thu., 13 Sep. 0.0311 0.0267 0.0284
04:01-05:00, Thu., 13 Sep. 0.0316 0.0266 0.0286
03:01-04:00, Thu., 13 Sep. 0.0323 0.0264 0.0284
02:01-03:00, Thu., 13 Sep. 0.0301 0.0258 0.0281
01:01-02:00, Thu., 13 Sep. 0.0300 0.0263 0.0281
00:01-01:00, Thu., 13 Sep. 0.0303 0.0261 0.0280
23:01-24:00, Wed., 12 Sep. 0.0309 0.0261 0.0281
22:01-23:00, Wed., 12 Sep. 0.0304 0.0264 0.0284
21:01-22:00, Wed., 12 Sep. 0.0302 0.0262 0.0284
20:01-21:00, Wed., 12 Sep. 0.0310 0.0271 0.0288
19:01-20:00, Wed., 12 Sep. 0.0294 0.0250 0.0276
18:01-19:00, Wed., 12 Sep. 0.0298 0.0258 0.0276
17:01-18:00, Wed., 12 Sep. 0.0298 0.0256 0.0274
16:01-17:00, Wed., 12 Sep. 0.0295 0.0257 0.0274
15:01-16:00, Wed., 12 Sep. 0.0292 0.0254 0.0272
14:01-15:00, Wed., 12 Sep. 0.0290 0.0245 0.0273
13:01-14:00, Wed., 12 Sep. 0.0292 0.0255 0.0277
12:01-13:00, Wed., 12 Sep. 0.0293 0.0254 0.0273
11:01-12:00, Wed., 12 Sep. 0.0299 0.0263 0.0276
10:01-11:00, Wed., 12 Sep. 0.0301 0.0260 0.0276
09:01-10:00, Wed., 12 Sep. 0.0296 0.0258 0.0276
08:01-09:00, Wed., 12 Sep. 0.0296 0.0254 0.0278
07:01-08:00, Wed., 12 Sep. 0.0302 0.0257 0.0280
06:01-07:00, Wed., 12 Sep. 0.0298 0.0257 0.0279
05:01-06:00, Wed., 12 Sep. 0.0294 0.0263 0.0279
04:01-05:00, Wed., 12 Sep. 0.0297 0.0258 0.0276
03:01-04:00, Wed., 12 Sep. 0.0291 0.0254 0.0274
02:01-03:00, Wed., 12 Sep. 0.0292 0.0255 0.0276
01:01-02:00, Wed., 12 Sep. 0.0295 0.0250 0.0275
00:01-01:00, Wed., 12 Sep. 0.0296 0.0246 0.0275
23:01-24:00, Tue., 11 Sep. 0.0292 0.0255 0.0274
22:01-23:00, Tue., 11 Sep. 0.0295 0.0258 0.0274
21:01-22:00, Tue., 11 Sep. 0.0297 0.0259 0.0274
20:01-21:00, Tue., 11 Sep. 0.0291 0.0254 0.0272
19:01-20:00, Tue., 11 Sep. 0.0297 0.0256 0.0270
18:01-19:00, Tue., 11 Sep. 0.0292 0.0256 0.0274
17:01-18:00, Tue., 11 Sep. 0.0294 0.0259 0.0276
16:01-17:00, Tue., 11 Sep. 0.0290 0.0254 0.0275
15:01-16:00, Tue., 11 Sep. 0.0290 0.0254 0.0275
14:01-15:00, Tue., 11 Sep. 0.0297 0.0255 0.0275
13:01-14:00, Tue., 11 Sep. 0.0301 0.0252 0.0276
12:01-13:00, Tue., 11 Sep. 0.0296 0.0256 0.0276
11:01-12:00, Tue., 11 Sep. 0.0295 0.0256 0.0275
10:01-11:00, Tue., 11 Sep. 0.0295 0.0257 0.0276
09:01-10:00, Tue., 11 Sep. 0.0302 0.0259 0.0276
08:01-09:00, Tue., 11 Sep. 0.0294 0.0250 0.0276
07:01-08:00, Tue., 11 Sep. 0.0289 0.0260 0.0275
06:01-07:00, Tue., 11 Sep. 0.0297 0.0258 0.0281
05:01-06:00, Tue., 11 Sep. 0.0315 0.0264 0.0293
04:01-05:00, Tue., 11 Sep. 0.0381 0.0295 0.0338
03:01-04:00, Tue., 11 Sep. 0.0433 0.0342 0.0389
02:01-03:00, Tue., 11 Sep. 0.0380 0.0310 0.0343
01:01-02:00, Tue., 11 Sep. 0.0384 0.0334 0.0360
00:01-01:00, Tue., 11 Sep. 0.0398 0.0300 0.0345
23:01-24:00, Mon., 10 Sep. 0.0339 0.0303 0.0319
22:01-23:00, Mon., 10 Sep. 0.0326 0.0284 0.0305
21:01-22:00, Mon., 10 Sep. 0.0345 0.0290 0.0313
20:01-21:00, Mon., 10 Sep. 0.0331 0.0272 0.0303
19:01-20:00, Mon., 10 Sep. 0.0328 0.0293 0.0309
18:01-19:00, Mon., 10 Sep. 0.0332 0.0275 0.0299
17:01-18:00, Mon., 10 Sep. 0.0307 0.0273 0.0289
16:01-17:00, Mon., 10 Sep. 0.0301 0.0266 0.0287
15:01-16:00, Mon., 10 Sep. 0.0307 0.0258 0.0282
14:01-15:00, Mon., 10 Sep. 0.0301 0.0256 0.0277
13:01-14:00, Mon., 10 Sep. 0.0300 0.0264 0.0280
12:01-13:00, Mon., 10 Sep. 0.0299 0.0255 0.0278
11:01-12:00, Mon., 10 Sep. 0.0298 0.0260 0.0279
10:01-11:00, Mon., 10 Sep. 0.0301 0.0260 0.0277
09:01-10:00, Mon., 10 Sep. 0.0303 0.0258 0.0279
08:01-09:00, Mon., 10 Sep. 0.0293 0.0261 0.0277
07:01-08:00, Mon., 10 Sep. 0.0300 0.0258 0.0280
06:01-07:00, Mon., 10 Sep. 0.0300 0.0261 0.0279
05:01-06:00, Mon., 10 Sep. 0.0297 0.0263 0.0279
04:01-05:00, Mon., 10 Sep. 0.0299 0.0262 0.0277
03:01-04:00, Mon., 10 Sep. 0.0300 0.0259 0.0278
02:01-03:00, Mon., 10 Sep. 0.0299 0.0256 0.0278
01:01-02:00, Mon., 10 Sep. 0.0295 0.0254 0.0275
00:01-01:00, Mon., 10 Sep. 0.0290 0.0263 0.0277