Measurement results by the hour (Chofu) 7 Aug., 2017 - 13 Aug., 2017

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., 13 Aug. 0.0319 0.0278 0.0300
22:01-23:00, Sun., 13 Aug. 0.0300 0.0262 0.0280
21:01-22:00, Sun., 13 Aug. 0.0306 0.0260 0.0281
20:01-21:00, Sun., 13 Aug. 0.0307 0.0260 0.0288
19:01-20:00, Sun., 13 Aug. 0.0312 0.0267 0.0289
18:01-19:00, Sun., 13 Aug. 0.0305 0.0265 0.0285
17:01-18:00, Sun., 13 Aug. 0.0303 0.0265 0.0282
16:01-17:00, Sun., 13 Aug. 0.0298 0.0262 0.0281
15:01-16:00, Sun., 13 Aug. 0.0301 0.0259 0.0279
14:01-15:00, Sun., 13 Aug. 0.0297 0.0259 0.0280
13:01-14:00, Sun., 13 Aug. 0.0298 0.0262 0.0280
12:01-13:00, Sun., 13 Aug. 0.0304 0.0260 0.0281
11:01-12:00, Sun., 13 Aug. 0.0303 0.0263 0.0284
10:01-11:00, Sun., 13 Aug. 0.0304 0.0262 0.0283
09:01-10:00, Sun., 13 Aug. 0.0301 0.0253 0.0280
08:01-09:00, Sun., 13 Aug. 0.0294 0.0259 0.0279
07:01-08:00, Sun., 13 Aug. 0.0297 0.0246 0.0280
06:01-07:00, Sun., 13 Aug. 0.0298 0.0262 0.0280
05:01-06:00, Sun., 13 Aug. 0.0300 0.0255 0.0282
04:01-05:00, Sun., 13 Aug. 0.0301 0.0256 0.0280
03:01-04:00, Sun., 13 Aug. 0.0301 0.0262 0.0280
02:01-03:00, Sun., 13 Aug. 0.0292 0.0254 0.0279
01:01-02:00, Sun., 13 Aug. 0.0298 0.0269 0.0282
00:01-01:00, Sun., 13 Aug. 0.0303 0.0260 0.0281
23:01-24:00, Sat., 12 Aug. 0.0297 0.0263 0.0280
22:01-23:00, Sat., 12 Aug. 0.0298 0.0260 0.0282
21:01-22:00, Sat., 12 Aug. 0.0306 0.0259 0.0280
20:01-21:00, Sat., 12 Aug. 0.0298 0.0266 0.0279
19:01-20:00, Sat., 12 Aug. 0.0298 0.0264 0.0280
18:01-19:00, Sat., 12 Aug. 0.0296 0.0266 0.0279
17:01-18:00, Sat., 12 Aug. 0.0299 0.0262 0.0280
16:01-17:00, Sat., 12 Aug. 0.0300 0.0259 0.0281
15:01-16:00, Sat., 12 Aug. 0.0295 0.0261 0.0280
14:01-15:00, Sat., 12 Aug. 0.0296 0.0262 0.0279
13:01-14:00, Sat., 12 Aug. 0.0304 0.0262 0.0281
12:01-13:00, Sat., 12 Aug. 0.0301 0.0264 0.0281
11:01-12:00, Sat., 12 Aug. 0.0307 0.0268 0.0287
10:01-11:00, Sat., 12 Aug. 0.0343 0.0292 0.0316
09:01-10:00, Sat., 12 Aug. 0.0346 0.0279 0.0316
08:01-09:00, Sat., 12 Aug. 0.0342 0.0270 0.0302
07:01-08:00, Sat., 12 Aug. 0.0421 0.0308 0.0363
06:01-07:00, Sat., 12 Aug. 0.0420 0.0328 0.0363
05:01-06:00, Sat., 12 Aug. 0.0536 0.0382 0.0461
04:01-05:00, Sat., 12 Aug. 0.0557 0.0368 0.0484
03:01-04:00, Sat., 12 Aug. 0.0408 0.0293 0.0325
02:01-03:00, Sat., 12 Aug. 0.0412 0.0302 0.0353
01:01-02:00, Sat., 12 Aug. 0.0435 0.0325 0.0364
00:01-01:00, Sat., 12 Aug. 0.0404 0.0301 0.0349
23:01-24:00, Fri., 11 Aug. 0.0315 0.0279 0.0296
22:01-23:00, Fri., 11 Aug. 0.0307 0.0264 0.0285
21:01-22:00, Fri., 11 Aug. 0.0302 0.0259 0.0283
20:01-21:00, Fri., 11 Aug. 0.0306 0.0266 0.0284
19:01-20:00, Fri., 11 Aug. 0.0317 0.0276 0.0292
18:01-19:00, Fri., 11 Aug. 0.0319 0.0270 0.0293
17:01-18:00, Fri., 11 Aug. 0.0297 0.0263 0.0280
16:01-17:00, Fri., 11 Aug. 0.0299 0.0265 0.0280
15:01-16:00, Fri., 11 Aug. 0.0292 0.0261 0.0277
14:01-15:00, Fri., 11 Aug. 0.0301 0.0264 0.0280
13:01-14:00, Fri., 11 Aug. 0.0296 0.0265 0.0278
12:01-13:00, Fri., 11 Aug. 0.0300 0.0262 0.0278
11:01-12:00, Fri., 11 Aug. 0.0302 0.0258 0.0281
10:01-11:00, Fri., 11 Aug. 0.0300 0.0264 0.0281
09:01-10:00, Fri., 11 Aug. 0.0300 0.0254 0.0278
08:01-09:00, Fri., 11 Aug. 0.0305 0.0267 0.0283
07:01-08:00, Fri., 11 Aug. 0.0313 0.0257 0.0290
06:01-07:00, Fri., 11 Aug. 0.0306 0.0267 0.0287
05:01-06:00, Fri., 11 Aug. 0.0297 0.0265 0.0282
04:01-05:00, Fri., 11 Aug. 0.0297 0.0256 0.0278
03:01-04:00, Fri., 11 Aug. 0.0304 0.0268 0.0283
02:01-03:00, Fri., 11 Aug. 0.0309 0.0267 0.0292
01:01-02:00, Fri., 11 Aug. 0.0341 0.0288 0.0309
00:01-01:00, Fri., 11 Aug. 0.0413 0.0314 0.0360
23:01-24:00, Thu., 10 Aug. 0.0481 0.0390 0.0438
22:01-23:00, Thu., 10 Aug. 0.0425 0.0368 0.0392
21:01-22:00, Thu., 10 Aug. 0.0433 0.0343 0.0385
20:01-21:00, Thu., 10 Aug. 0.0368 0.0268 0.0306
19:01-20:00, Thu., 10 Aug. 0.0301 0.0269 0.0286
18:01-19:00, Thu., 10 Aug. 0.0306 0.0267 0.0288
17:01-18:00, Thu., 10 Aug. 0.0302 0.0272 0.0287
16:01-17:00, Thu., 10 Aug. 0.0302 0.0266 0.0286
15:01-16:00, Thu., 10 Aug. 0.0305 0.0265 0.0287
14:01-15:00, Thu., 10 Aug. 0.0303 0.0268 0.0284
13:01-14:00, Thu., 10 Aug. 0.0307 0.0268 0.0288
12:01-13:00, Thu., 10 Aug. 0.0304 0.0270 0.0287
11:01-12:00, Thu., 10 Aug. 0.0305 0.0267 0.0288
10:01-11:00, Thu., 10 Aug. 0.0315 0.0271 0.0289
09:01-10:00, Thu., 10 Aug. 0.0316 0.0277 0.0298
08:01-09:00, Thu., 10 Aug. 0.0327 0.0271 0.0296
07:01-08:00, Thu., 10 Aug. 0.0305 0.0268 0.0287
06:01-07:00, Thu., 10 Aug. 0.0307 0.0269 0.0285
05:01-06:00, Thu., 10 Aug. 0.0303 0.0269 0.0286
04:01-05:00, Thu., 10 Aug. 0.0308 0.0272 0.0289
03:01-04:00, Thu., 10 Aug. 0.0308 0.0271 0.0289
02:01-03:00, Thu., 10 Aug. 0.0305 0.0268 0.0287
01:01-02:00, Thu., 10 Aug. 0.0307 0.0267 0.0287
00:01-01:00, Thu., 10 Aug. 0.0309 0.0260 0.0286
23:01-24:00, Wed., 09 Aug. 0.0312 0.0275 0.0291
22:01-23:00, Wed., 09 Aug. 0.0323 0.0278 0.0299
21:01-22:00, Wed., 09 Aug. 0.0324 0.0290 0.0306
20:01-21:00, Wed., 09 Aug. 0.0319 0.0273 0.0296
19:01-20:00, Wed., 09 Aug. 0.0327 0.0282 0.0303
18:01-19:00, Wed., 09 Aug. 0.0343 0.0287 0.0315
17:01-18:00, Wed., 09 Aug. 0.0327 0.0283 0.0304
16:01-17:00, Wed., 09 Aug. 0.0338 0.0279 0.0301
15:01-16:00, Wed., 09 Aug. 0.0329 0.0276 0.0301
14:01-15:00, Wed., 09 Aug. 0.0314 0.0274 0.0294
13:01-14:00, Wed., 09 Aug. 0.0317 0.0277 0.0293
12:01-13:00, Wed., 09 Aug. 0.0311 0.0270 0.0292
11:01-12:00, Wed., 09 Aug. 0.0312 0.0279 0.0294
10:01-11:00, Wed., 09 Aug. 0.0310 0.0272 0.0293
09:01-10:00, Wed., 09 Aug. 0.0307 0.0272 0.0289
08:01-09:00, Wed., 09 Aug. 0.0310 0.0279 0.0294
07:01-08:00, Wed., 09 Aug. 0.0314 0.0274 0.0292
06:01-07:00, Wed., 09 Aug. 0.0309 0.0262 0.0291
05:01-06:00, Wed., 09 Aug. 0.0307 0.0277 0.0292
04:01-05:00, Wed., 09 Aug. 0.0311 0.0275 0.0291
03:01-04:00, Wed., 09 Aug. 0.0318 0.0272 0.0291
02:01-03:00, Wed., 09 Aug. 0.0305 0.0272 0.0291
01:01-02:00, Wed., 09 Aug. 0.0304 0.0269 0.0288
00:01-01:00, Wed., 09 Aug. 0.0313 0.0269 0.0290
23:01-24:00, Tue., 08 Aug. 0.0304 0.0270 0.0288
22:01-23:00, Tue., 08 Aug. 0.0303 0.0271 0.0288
21:01-22:00, Tue., 08 Aug. 0.0308 0.0273 0.0289
20:01-21:00, Tue., 08 Aug. 0.0307 0.0269 0.0288
19:01-20:00, Tue., 08 Aug. 0.0308 0.0266 0.0288
18:01-19:00, Tue., 08 Aug. 0.0318 0.0264 0.0287
17:01-18:00, Tue., 08 Aug. 0.0307 0.0272 0.0289
16:01-17:00, Tue., 08 Aug. 0.0312 0.0270 0.0289
15:01-16:00, Tue., 08 Aug. 0.0312 0.0271 0.0290
14:01-15:00, Tue., 08 Aug. 0.0309 0.0262 0.0290
13:01-14:00, Tue., 08 Aug. 0.0307 0.0275 0.0289
12:01-13:00, Tue., 08 Aug. 0.0308 0.0275 0.0291
11:01-12:00, Tue., 08 Aug. 0.0305 0.0271 0.0286
10:01-11:00, Tue., 08 Aug. 0.0309 0.0261 0.0285
09:01-10:00, Tue., 08 Aug. 0.0305 0.0267 0.0286
08:01-09:00, Tue., 08 Aug. 0.0310 0.0270 0.0287
07:01-08:00, Tue., 08 Aug. 0.0313 0.0267 0.0287
06:01-07:00, Tue., 08 Aug. 0.0309 0.0274 0.0289
05:01-06:00, Tue., 08 Aug. 0.0312 0.0250 0.0287
04:01-05:00, Tue., 08 Aug. 0.0302 0.0255 0.0283
03:01-04:00, Tue., 08 Aug. 0.0303 0.0262 0.0280
02:01-03:00, Tue., 08 Aug. 0.0309 0.0273 0.0289
01:01-02:00, Tue., 08 Aug. 0.0307 0.0268 0.0290
00:01-01:00, Tue., 08 Aug. 0.0334 0.0280 0.0306
23:01-24:00, Mon., 07 Aug. 0.0362 0.0314 0.0337
22:01-23:00, Mon., 07 Aug. 0.0322 0.0270 0.0288
21:01-22:00, Mon., 07 Aug. 0.0309 0.0267 0.0283
20:01-21:00, Mon., 07 Aug. 0.0305 0.0270 0.0287
19:01-20:00, Mon., 07 Aug. 0.0330 0.0275 0.0302
18:01-19:00, Mon., 07 Aug. 0.0335 0.0287 0.0317
17:01-18:00, Mon., 07 Aug. 0.0319 0.0279 0.0296
16:01-17:00, Mon., 07 Aug. 0.0303 0.0266 0.0288
15:01-16:00, Mon., 07 Aug. 0.0306 0.0268 0.0288
14:01-15:00, Mon., 07 Aug. 0.0304 0.0264 0.0286
13:01-14:00, Mon., 07 Aug. 0.0300 0.0261 0.0283
12:01-13:00, Mon., 07 Aug. 0.0300 0.0266 0.0284
11:01-12:00, Mon., 07 Aug. 0.0302 0.0267 0.0283
10:01-11:00, Mon., 07 Aug. 0.0301 0.0260 0.0282
09:01-10:00, Mon., 07 Aug. 0.0309 0.0268 0.0284
08:01-09:00, Mon., 07 Aug. 0.0308 0.0269 0.0285
07:01-08:00, Mon., 07 Aug. 0.0303 0.0266 0.0286
06:01-07:00, Mon., 07 Aug. 0.0301 0.0266 0.0285
05:01-06:00, Mon., 07 Aug. 0.0308 0.0268 0.0284
04:01-05:00, Mon., 07 Aug. 0.0308 0.0270 0.0287
03:01-04:00, Mon., 07 Aug. 0.0299 0.0261 0.0284
02:01-03:00, Mon., 07 Aug. 0.0300 0.0267 0.0282
01:01-02:00, Mon., 07 Aug. 0.0304 0.0264 0.0283
00:01-01:00, Mon., 07 Aug. 0.0304 0.0259 0.0282