Measurement results by the hour (Chofu) 12 Oct., 2020 - 18 Oct., 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., 18 Oct. 0.0311 0.0269 0.0288
22:01-23:00, Sun., 18 Oct. 0.0313 0.0269 0.0288
21:01-22:00, Sun., 18 Oct. 0.0301 0.0264 0.0282
20:01-21:00, Sun., 18 Oct. 0.0299 0.0262 0.0280
19:01-20:00, Sun., 18 Oct. 0.0299 0.0261 0.0277
18:01-19:00, Sun., 18 Oct. 0.0300 0.0256 0.0275
17:01-18:00, Sun., 18 Oct. 0.0296 0.0257 0.0276
16:01-17:00, Sun., 18 Oct. 0.0301 0.0262 0.0279
15:01-16:00, Sun., 18 Oct. 0.0291 0.0261 0.0276
14:01-15:00, Sun., 18 Oct. 0.0296 0.0254 0.0277
13:01-14:00, Sun., 18 Oct. 0.0306 0.0262 0.0277
12:01-13:00, Sun., 18 Oct. 0.0295 0.0249 0.0275
11:01-12:00, Sun., 18 Oct. 0.0302 0.0256 0.0280
10:01-11:00, Sun., 18 Oct. 0.0302 0.0267 0.0286
09:01-10:00, Sun., 18 Oct. 0.0309 0.0263 0.0284
08:01-09:00, Sun., 18 Oct. 0.0305 0.0268 0.0287
07:01-08:00, Sun., 18 Oct. 0.0311 0.0266 0.0284
06:01-07:00, Sun., 18 Oct. 0.0297 0.0264 0.0282
05:01-06:00, Sun., 18 Oct. 0.0305 0.0261 0.0280
04:01-05:00, Sun., 18 Oct. 0.0310 0.0265 0.0280
03:01-04:00, Sun., 18 Oct. 0.0299 0.0257 0.0277
02:01-03:00, Sun., 18 Oct. 0.0302 0.0267 0.0284
01:01-02:00, Sun., 18 Oct. 0.0333 0.0278 0.0307
00:01-01:00, Sun., 18 Oct. 0.0344 0.0310 0.0326
23:01-24:00, Sat., 17 Oct. 0.0347 0.0290 0.0311
22:01-23:00, Sat., 17 Oct. 0.0347 0.0280 0.0314
21:01-22:00, Sat., 17 Oct. 0.0369 0.0320 0.0346
20:01-21:00, Sat., 17 Oct. 0.0375 0.0332 0.0357
19:01-20:00, Sat., 17 Oct. 0.0396 0.0348 0.0368
18:01-19:00, Sat., 17 Oct. 0.0410 0.0347 0.0369
17:01-18:00, Sat., 17 Oct. 0.0413 0.0353 0.0378
16:01-17:00, Sat., 17 Oct. 0.0421 0.0379 0.0399
15:01-16:00, Sat., 17 Oct. 0.0412 0.0353 0.0379
14:01-15:00, Sat., 17 Oct. 0.0430 0.0362 0.0398
13:01-14:00, Sat., 17 Oct. 0.0428 0.0366 0.0394
12:01-13:00, Sat., 17 Oct. 0.0433 0.0365 0.0405
11:01-12:00, Sat., 17 Oct. 0.0418 0.0353 0.0381
10:01-11:00, Sat., 17 Oct. 0.0435 0.0366 0.0401
09:01-10:00, Sat., 17 Oct. 0.0426 0.0362 0.0393
08:01-09:00, Sat., 17 Oct. 0.0430 0.0366 0.0403
07:01-08:00, Sat., 17 Oct. 0.0460 0.0385 0.0422
06:01-07:00, Sat., 17 Oct. 0.0412 0.0349 0.0377
05:01-06:00, Sat., 17 Oct. 0.0409 0.0338 0.0366
04:01-05:00, Sat., 17 Oct. 0.0355 0.0298 0.0331
03:01-04:00, Sat., 17 Oct. 0.0335 0.0278 0.0302
02:01-03:00, Sat., 17 Oct. 0.0306 0.0271 0.0287
01:01-02:00, Sat., 17 Oct. 0.0308 0.0266 0.0288
00:01-01:00, Sat., 17 Oct. 0.0304 0.0272 0.0288
23:01-24:00, Fri., 16 Oct. 0.0305 0.0266 0.0285
22:01-23:00, Fri., 16 Oct. 0.0314 0.0270 0.0290
21:01-22:00, Fri., 16 Oct. 0.0319 0.0268 0.0291
20:01-21:00, Fri., 16 Oct. 0.0303 0.0260 0.0279
19:01-20:00, Fri., 16 Oct. 0.0296 0.0267 0.0280
18:01-19:00, Fri., 16 Oct. 0.0299 0.0256 0.0278
17:01-18:00, Fri., 16 Oct. 0.0306 0.0254 0.0280
16:01-17:00, Fri., 16 Oct. 0.0304 0.0248 0.0276
15:01-16:00, Fri., 16 Oct. 0.0294 0.0260 0.0277
14:01-15:00, Fri., 16 Oct. 0.0302 0.0255 0.0278
13:01-14:00, Fri., 16 Oct. 0.0297 0.0259 0.0277
12:01-13:00, Fri., 16 Oct. 0.0298 0.0262 0.0278
11:01-12:00, Fri., 16 Oct. 0.0305 0.0268 0.0282
10:01-11:00, Fri., 16 Oct. 0.0300 0.0264 0.0281
09:01-10:00, Fri., 16 Oct. 0.0297 0.0257 0.0280
08:01-09:00, Fri., 16 Oct. 0.0300 0.0261 0.0280
07:01-08:00, Fri., 16 Oct. 0.0299 0.0261 0.0282
06:01-07:00, Fri., 16 Oct. 0.0299 0.0262 0.0281
05:01-06:00, Fri., 16 Oct. 0.0311 0.0266 0.0283
04:01-05:00, Fri., 16 Oct. 0.0300 0.0265 0.0281
03:01-04:00, Fri., 16 Oct. 0.0301 0.0264 0.0280
02:01-03:00, Fri., 16 Oct. 0.0297 0.0262 0.0281
01:01-02:00, Fri., 16 Oct. 0.0296 0.0267 0.0282
00:01-01:00, Fri., 16 Oct. 0.0307 0.0263 0.0281
23:01-24:00, Thu., 15 Oct. 0.0305 0.0265 0.0283
22:01-23:00, Thu., 15 Oct. 0.0305 0.0267 0.0281
21:01-22:00, Thu., 15 Oct. 0.0294 0.0262 0.0279
20:01-21:00, Thu., 15 Oct. 0.0298 0.0258 0.0281
19:01-20:00, Thu., 15 Oct. 0.0301 0.0253 0.0280
18:01-19:00, Thu., 15 Oct. 0.0300 0.0261 0.0282
17:01-18:00, Thu., 15 Oct. 0.0296 0.0268 0.0281
16:01-17:00, Thu., 15 Oct. 0.0300 0.0270 0.0284
15:01-16:00, Thu., 15 Oct. 0.0315 0.0265 0.0289
14:01-15:00, Thu., 15 Oct. 0.0320 0.0280 0.0300
13:01-14:00, Thu., 15 Oct. 0.0340 0.0293 0.0316
12:01-13:00, Thu., 15 Oct. 0.0338 0.0277 0.0305
11:01-12:00, Thu., 15 Oct. 0.0308 0.0265 0.0283
10:01-11:00, Thu., 15 Oct. 0.0299 0.0261 0.0281
09:01-10:00, Thu., 15 Oct. 0.0300 0.0256 0.0279
08:01-09:00, Thu., 15 Oct. 0.0303 0.0265 0.0282
07:01-08:00, Thu., 15 Oct. 0.0295 0.0264 0.0282
06:01-07:00, Thu., 15 Oct. 0.0296 0.0265 0.0282
05:01-06:00, Thu., 15 Oct. 0.0298 0.0260 0.0279
04:01-05:00, Thu., 15 Oct. 0.0303 0.0259 0.0281
03:01-04:00, Thu., 15 Oct. 0.0295 0.0260 0.0279
02:01-03:00, Thu., 15 Oct. 0.0296 0.0262 0.0281
01:01-02:00, Thu., 15 Oct. 0.0302 0.0256 0.0278
00:01-01:00, Thu., 15 Oct. 0.0298 0.0260 0.0281
23:01-24:00, Wed., 14 Oct. 0.0295 0.0257 0.0276
22:01-23:00, Wed., 14 Oct. 0.0295 0.0251 0.0277
21:01-22:00, Wed., 14 Oct. 0.0291 0.0253 0.0272
20:01-21:00, Wed., 14 Oct. 0.0301 0.0252 0.0276
19:01-20:00, Wed., 14 Oct. 0.0297 0.0257 0.0275
18:01-19:00, Wed., 14 Oct. 0.0296 0.0247 0.0275
17:01-18:00, Wed., 14 Oct. 0.0290 0.0255 0.0274
16:01-17:00, Wed., 14 Oct. 0.0290 0.0254 0.0274
15:01-16:00, Wed., 14 Oct. 0.0291 0.0256 0.0274
14:01-15:00, Wed., 14 Oct. 0.0290 0.0263 0.0277
13:01-14:00, Wed., 14 Oct. 0.0304 0.0258 0.0276
12:01-13:00, Wed., 14 Oct. 0.0288 0.0255 0.0271
11:01-12:00, Wed., 14 Oct. 0.0288 0.0256 0.0273
10:01-11:00, Wed., 14 Oct. 0.0289 0.0248 0.0274
09:01-10:00, Wed., 14 Oct. 0.0299 0.0258 0.0277
08:01-09:00, Wed., 14 Oct. 0.0294 0.0255 0.0275
07:01-08:00, Wed., 14 Oct. 0.0303 0.0259 0.0278
06:01-07:00, Wed., 14 Oct. 0.0295 0.0259 0.0276
05:01-06:00, Wed., 14 Oct. 0.0295 0.0260 0.0276
04:01-05:00, Wed., 14 Oct. 0.0299 0.0254 0.0275
03:01-04:00, Wed., 14 Oct. 0.0290 0.0250 0.0273
02:01-03:00, Wed., 14 Oct. 0.0289 0.0255 0.0274
01:01-02:00, Wed., 14 Oct. 0.0287 0.0256 0.0274
00:01-01:00, Wed., 14 Oct. 0.0288 0.0252 0.0271
23:01-24:00, Tue., 13 Oct. 0.0288 0.0253 0.0269
22:01-23:00, Tue., 13 Oct. 0.0288 0.0253 0.0271
21:01-22:00, Tue., 13 Oct. 0.0291 0.0252 0.0270
20:01-21:00, Tue., 13 Oct. 0.0292 0.0253 0.0272
19:01-20:00, Tue., 13 Oct. 0.0294 0.0255 0.0270
18:01-19:00, Tue., 13 Oct. 0.0293 0.0247 0.0271
17:01-18:00, Tue., 13 Oct. 0.0294 0.0255 0.0276
16:01-17:00, Tue., 13 Oct. 0.0297 0.0255 0.0274
15:01-16:00, Tue., 13 Oct. 0.0300 0.0261 0.0276
14:01-15:00, Tue., 13 Oct. 0.0304 0.0259 0.0277
13:01-14:00, Tue., 13 Oct. 0.0297 0.0258 0.0278
12:01-13:00, Tue., 13 Oct. 0.0304 0.0255 0.0278
11:01-12:00, Tue., 13 Oct. 0.0297 0.0263 0.0281
10:01-11:00, Tue., 13 Oct. 0.0301 0.0248 0.0283
09:01-10:00, Tue., 13 Oct. 0.0305 0.0265 0.0286
08:01-09:00, Tue., 13 Oct. 0.0316 0.0271 0.0294
07:01-08:00, Tue., 13 Oct. 0.0323 0.0282 0.0300
06:01-07:00, Tue., 13 Oct. 0.0316 0.0274 0.0295
05:01-06:00, Tue., 13 Oct. 0.0313 0.0273 0.0292
04:01-05:00, Tue., 13 Oct. 0.0315 0.0283 0.0297
03:01-04:00, Tue., 13 Oct. 0.0326 0.0278 0.0296
02:01-03:00, Tue., 13 Oct. 0.0319 0.0274 0.0296
01:01-02:00, Tue., 13 Oct. 0.0317 0.0272 0.0292
00:01-01:00, Tue., 13 Oct. 0.0309 0.0267 0.0285
23:01-24:00, Mon., 12 Oct. 0.0298 0.0259 0.0279
22:01-23:00, Mon., 12 Oct. 0.0292 0.0255 0.0274
21:01-22:00, Mon., 12 Oct. 0.0293 0.0253 0.0271
20:01-21:00, Mon., 12 Oct. 0.0281 0.0250 0.0268
19:01-20:00, Mon., 12 Oct. 0.0288 0.0248 0.0270
18:01-19:00, Mon., 12 Oct. 0.0286 0.0251 0.0267
17:01-18:00, Mon., 12 Oct. 0.0288 0.0246 0.0270
16:01-17:00, Mon., 12 Oct. 0.0290 0.0255 0.0270
15:01-16:00, Mon., 12 Oct. 0.0289 0.0253 0.0268
14:01-15:00, Mon., 12 Oct. 0.0283 0.0244 0.0265
13:01-14:00, Mon., 12 Oct. 0.0296 0.0247 0.0269
12:01-13:00, Mon., 12 Oct. 0.0286 0.0251 0.0268
11:01-12:00, Mon., 12 Oct. 0.0290 0.0248 0.0268
10:01-11:00, Mon., 12 Oct. 0.0290 0.0246 0.0268
09:01-10:00, Mon., 12 Oct. 0.0284 0.0253 0.0268
08:01-09:00, Mon., 12 Oct. 0.0291 0.0252 0.0270
07:01-08:00, Mon., 12 Oct. 0.0289 0.0250 0.0272
06:01-07:00, Mon., 12 Oct. 0.0289 0.0254 0.0272
05:01-06:00, Mon., 12 Oct. 0.0293 0.0253 0.0273
04:01-05:00, Mon., 12 Oct. 0.0291 0.0253 0.0273
03:01-04:00, Mon., 12 Oct. 0.0299 0.0267 0.0284
02:01-03:00, Mon., 12 Oct. 0.0309 0.0265 0.0292
01:01-02:00, Mon., 12 Oct. 0.0319 0.0276 0.0295
00:01-01:00, Mon., 12 Oct. 0.0301 0.0256 0.0277