Measurement results by the hour (Chofu) 13 Aug., 2018 - 19 Aug., 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., 19 Aug. 0.0309 0.0271 0.0292
22:01-23:00, Sun., 19 Aug. 0.0312 0.0270 0.0289
21:01-22:00, Sun., 19 Aug. 0.0304 0.0269 0.0289
20:01-21:00, Sun., 19 Aug. 0.0312 0.0271 0.0291
19:01-20:00, Sun., 19 Aug. 0.0320 0.0268 0.0290
18:01-19:00, Sun., 19 Aug. 0.0312 0.0274 0.0291
17:01-18:00, Sun., 19 Aug. 0.0308 0.0263 0.0288
16:01-17:00, Sun., 19 Aug. 0.0316 0.0277 0.0291
15:01-16:00, Sun., 19 Aug. 0.0307 0.0273 0.0290
14:01-15:00, Sun., 19 Aug. 0.0313 0.0264 0.0289
13:01-14:00, Sun., 19 Aug. 0.0307 0.0272 0.0290
12:01-13:00, Sun., 19 Aug. 0.0311 0.0273 0.0291
11:01-12:00, Sun., 19 Aug. 0.0314 0.0277 0.0291
10:01-11:00, Sun., 19 Aug. 0.0310 0.0273 0.0290
09:01-10:00, Sun., 19 Aug. 0.0311 0.0273 0.0293
08:01-09:00, Sun., 19 Aug. 0.0319 0.0278 0.0294
07:01-08:00, Sun., 19 Aug. 0.0316 0.0278 0.0298
06:01-07:00, Sun., 19 Aug. 0.0324 0.0280 0.0302
05:01-06:00, Sun., 19 Aug. 0.0316 0.0278 0.0299
04:01-05:00, Sun., 19 Aug. 0.0325 0.0285 0.0304
03:01-04:00, Sun., 19 Aug. 0.0322 0.0286 0.0306
02:01-03:00, Sun., 19 Aug. 0.0327 0.0273 0.0295
01:01-02:00, Sun., 19 Aug. 0.0310 0.0278 0.0291
00:01-01:00, Sun., 19 Aug. 0.0306 0.0267 0.0286
23:01-24:00, Sat., 18 Aug. 0.0308 0.0267 0.0289
22:01-23:00, Sat., 18 Aug. 0.0311 0.0269 0.0288
21:01-22:00, Sat., 18 Aug. 0.0311 0.0269 0.0287
20:01-21:00, Sat., 18 Aug. 0.0303 0.0264 0.0286
19:01-20:00, Sat., 18 Aug. 0.0312 0.0265 0.0283
18:01-19:00, Sat., 18 Aug. 0.0308 0.0268 0.0287
17:01-18:00, Sat., 18 Aug. 0.0313 0.0270 0.0288
16:01-17:00, Sat., 18 Aug. 0.0309 0.0265 0.0287
15:01-16:00, Sat., 18 Aug. 0.0307 0.0267 0.0289
14:01-15:00, Sat., 18 Aug. 0.0307 0.0266 0.0288
13:01-14:00, Sat., 18 Aug. 0.0308 0.0276 0.0290
12:01-13:00, Sat., 18 Aug. 0.0309 0.0269 0.0289
11:01-12:00, Sat., 18 Aug. 0.0305 0.0272 0.0289
10:01-11:00, Sat., 18 Aug. 0.0315 0.0271 0.0288
09:01-10:00, Sat., 18 Aug. 0.0308 0.0263 0.0290
08:01-09:00, Sat., 18 Aug. 0.0311 0.0269 0.0289
07:01-08:00, Sat., 18 Aug. 0.0313 0.0273 0.0290
06:01-07:00, Sat., 18 Aug. 0.0308 0.0275 0.0291
05:01-06:00, Sat., 18 Aug. 0.0318 0.0276 0.0294
04:01-05:00, Sat., 18 Aug. 0.0310 0.0279 0.0291
03:01-04:00, Sat., 18 Aug. 0.0315 0.0273 0.0290
02:01-03:00, Sat., 18 Aug. 0.0307 0.0266 0.0288
01:01-02:00, Sat., 18 Aug. 0.0307 0.0272 0.0289
00:01-01:00, Sat., 18 Aug. 0.0306 0.0269 0.0287
23:01-24:00, Fri., 17 Aug. 0.0309 0.0267 0.0288
22:01-23:00, Fri., 17 Aug. 0.0305 0.0259 0.0288
21:01-22:00, Fri., 17 Aug. 0.0306 0.0264 0.0287
20:01-21:00, Fri., 17 Aug. 0.0307 0.0267 0.0288
19:01-20:00, Fri., 17 Aug. 0.0305 0.0269 0.0286
18:01-19:00, Fri., 17 Aug. 0.0306 0.0267 0.0286
17:01-18:00, Fri., 17 Aug. 0.0304 0.0269 0.0286
16:01-17:00, Fri., 17 Aug. 0.0306 0.0266 0.0287
15:01-16:00, Fri., 17 Aug. 0.0303 0.0263 0.0284
14:01-15:00, Fri., 17 Aug. 0.0309 0.0267 0.0287
13:01-14:00, Fri., 17 Aug. 0.0318 0.0267 0.0287
12:01-13:00, Fri., 17 Aug. 0.0306 0.0263 0.0285
11:01-12:00, Fri., 17 Aug. 0.0303 0.0268 0.0286
10:01-11:00, Fri., 17 Aug. 0.0302 0.0270 0.0287
09:01-10:00, Fri., 17 Aug. 0.0307 0.0273 0.0288
08:01-09:00, Fri., 17 Aug. 0.0307 0.0269 0.0286
07:01-08:00, Fri., 17 Aug. 0.0303 0.0268 0.0289
06:01-07:00, Fri., 17 Aug. 0.0303 0.0268 0.0288
05:01-06:00, Fri., 17 Aug. 0.0303 0.0269 0.0287
04:01-05:00, Fri., 17 Aug. 0.0308 0.0275 0.0293
03:01-04:00, Fri., 17 Aug. 0.0313 0.0276 0.0292
02:01-03:00, Fri., 17 Aug. 0.0304 0.0273 0.0289
01:01-02:00, Fri., 17 Aug. 0.0307 0.0276 0.0290
00:01-01:00, Fri., 17 Aug. 0.0315 0.0278 0.0300
23:01-24:00, Thu., 16 Aug. 0.0324 0.0272 0.0290
22:01-23:00, Thu., 16 Aug. 0.0308 0.0272 0.0289
21:01-22:00, Thu., 16 Aug. 0.0306 0.0261 0.0288
20:01-21:00, Thu., 16 Aug. 0.0304 0.0270 0.0288
19:01-20:00, Thu., 16 Aug. 0.0313 0.0275 0.0293
18:01-19:00, Thu., 16 Aug. 0.0300 0.0268 0.0283
17:01-18:00, Thu., 16 Aug. 0.0304 0.0261 0.0281
16:01-17:00, Thu., 16 Aug. 0.0301 0.0259 0.0282
15:01-16:00, Thu., 16 Aug. 0.0307 0.0268 0.0283
14:01-15:00, Thu., 16 Aug. 0.0296 0.0266 0.0280
13:01-14:00, Thu., 16 Aug. 0.0299 0.0262 0.0280
12:01-13:00, Thu., 16 Aug. 0.0299 0.0260 0.0279
11:01-12:00, Thu., 16 Aug. 0.0298 0.0263 0.0281
10:01-11:00, Thu., 16 Aug. 0.0299 0.0262 0.0280
09:01-10:00, Thu., 16 Aug. 0.0298 0.0258 0.0278
08:01-09:00, Thu., 16 Aug. 0.0294 0.0252 0.0277
07:01-08:00, Thu., 16 Aug. 0.0306 0.0256 0.0278
06:01-07:00, Thu., 16 Aug. 0.0298 0.0260 0.0278
05:01-06:00, Thu., 16 Aug. 0.0297 0.0249 0.0279
04:01-05:00, Thu., 16 Aug. 0.0297 0.0264 0.0279
03:01-04:00, Thu., 16 Aug. 0.0296 0.0260 0.0278
02:01-03:00, Thu., 16 Aug. 0.0296 0.0259 0.0279
01:01-02:00, Thu., 16 Aug. 0.0300 0.0253 0.0279
00:01-01:00, Thu., 16 Aug. 0.0305 0.0257 0.0280
23:01-24:00, Wed., 15 Aug. 0.0294 0.0256 0.0278
22:01-23:00, Wed., 15 Aug. 0.0300 0.0264 0.0281
21:01-22:00, Wed., 15 Aug. 0.0301 0.0262 0.0279
20:01-21:00, Wed., 15 Aug. 0.0293 0.0256 0.0276
19:01-20:00, Wed., 15 Aug. 0.0299 0.0259 0.0279
18:01-19:00, Wed., 15 Aug. 0.0295 0.0257 0.0277
17:01-18:00, Wed., 15 Aug. 0.0293 0.0262 0.0277
16:01-17:00, Wed., 15 Aug. 0.0310 0.0257 0.0279
15:01-16:00, Wed., 15 Aug. 0.0302 0.0260 0.0279
14:01-15:00, Wed., 15 Aug. 0.0294 0.0261 0.0279
13:01-14:00, Wed., 15 Aug. 0.0304 0.0257 0.0279
12:01-13:00, Wed., 15 Aug. 0.0303 0.0261 0.0277
11:01-12:00, Wed., 15 Aug. 0.0302 0.0254 0.0278
10:01-11:00, Wed., 15 Aug. 0.0303 0.0255 0.0278
09:01-10:00, Wed., 15 Aug. 0.0300 0.0258 0.0278
08:01-09:00, Wed., 15 Aug. 0.0294 0.0254 0.0276
07:01-08:00, Wed., 15 Aug. 0.0299 0.0258 0.0274
06:01-07:00, Wed., 15 Aug. 0.0295 0.0260 0.0276
05:01-06:00, Wed., 15 Aug. 0.0296 0.0248 0.0275
04:01-05:00, Wed., 15 Aug. 0.0296 0.0257 0.0275
03:01-04:00, Wed., 15 Aug. 0.0292 0.0257 0.0272
02:01-03:00, Wed., 15 Aug. 0.0297 0.0257 0.0276
01:01-02:00, Wed., 15 Aug. 0.0292 0.0256 0.0276
00:01-01:00, Wed., 15 Aug. 0.0299 0.0260 0.0275
23:01-24:00, Tue., 14 Aug. 0.0295 0.0258 0.0275
22:01-23:00, Tue., 14 Aug. 0.0293 0.0262 0.0277
21:01-22:00, Tue., 14 Aug. 0.0291 0.0251 0.0274
20:01-21:00, Tue., 14 Aug. 0.0288 0.0253 0.0274
19:01-20:00, Tue., 14 Aug. 0.0298 0.0258 0.0277
18:01-19:00, Tue., 14 Aug. 0.0293 0.0251 0.0276
17:01-18:00, Tue., 14 Aug. 0.0294 0.0253 0.0273
16:01-17:00, Tue., 14 Aug. 0.0294 0.0255 0.0273
15:01-16:00, Tue., 14 Aug. 0.0299 0.0262 0.0277
14:01-15:00, Tue., 14 Aug. 0.0290 0.0259 0.0276
13:01-14:00, Tue., 14 Aug. 0.0296 0.0256 0.0274
12:01-13:00, Tue., 14 Aug. 0.0304 0.0258 0.0278
11:01-12:00, Tue., 14 Aug. 0.0308 0.0259 0.0276
10:01-11:00, Tue., 14 Aug. 0.0298 0.0259 0.0279
09:01-10:00, Tue., 14 Aug. 0.0298 0.0265 0.0282
08:01-09:00, Tue., 14 Aug. 0.0310 0.0275 0.0293
07:01-08:00, Tue., 14 Aug. 0.0319 0.0278 0.0297
06:01-07:00, Tue., 14 Aug. 0.0322 0.0277 0.0302
05:01-06:00, Tue., 14 Aug. 0.0313 0.0280 0.0298
04:01-05:00, Tue., 14 Aug. 0.0309 0.0266 0.0289
03:01-04:00, Tue., 14 Aug. 0.0307 0.0262 0.0284
02:01-03:00, Tue., 14 Aug. 0.0301 0.0264 0.0283
01:01-02:00, Tue., 14 Aug. 0.0296 0.0263 0.0281
00:01-01:00, Tue., 14 Aug. 0.0301 0.0263 0.0280
23:01-24:00, Mon., 13 Aug. 0.0294 0.0259 0.0275
22:01-23:00, Mon., 13 Aug. 0.0293 0.0260 0.0276
21:01-22:00, Mon., 13 Aug. 0.0297 0.0252 0.0278
20:01-21:00, Mon., 13 Aug. 0.0301 0.0266 0.0284
19:01-20:00, Mon., 13 Aug. 0.0330 0.0272 0.0295
18:01-19:00, Mon., 13 Aug. 0.0414 0.0303 0.0346
17:01-18:00, Mon., 13 Aug. 0.0541 0.0388 0.0450
16:01-17:00, Mon., 13 Aug. 0.0558 0.0481 0.0518
15:01-16:00, Mon., 13 Aug. 0.0565 0.0364 0.0491
14:01-15:00, Mon., 13 Aug. 0.0341 0.0266 0.0292
13:01-14:00, Mon., 13 Aug. 0.0311 0.0264 0.0287
12:01-13:00, Mon., 13 Aug. 0.0314 0.0268 0.0288
11:01-12:00, Mon., 13 Aug. 0.0311 0.0271 0.0288
10:01-11:00, Mon., 13 Aug. 0.0315 0.0271 0.0289
09:01-10:00, Mon., 13 Aug. 0.0308 0.0275 0.0291
08:01-09:00, Mon., 13 Aug. 0.0317 0.0269 0.0291
07:01-08:00, Mon., 13 Aug. 0.0311 0.0267 0.0293
06:01-07:00, Mon., 13 Aug. 0.0304 0.0273 0.0291
05:01-06:00, Mon., 13 Aug. 0.0315 0.0279 0.0299
04:01-05:00, Mon., 13 Aug. 0.0312 0.0271 0.0295
03:01-04:00, Mon., 13 Aug. 0.0311 0.0270 0.0293
02:01-03:00, Mon., 13 Aug. 0.0309 0.0271 0.0293
01:01-02:00, Mon., 13 Aug. 0.0307 0.0269 0.0288
00:01-01:00, Mon., 13 Aug. 0.0328 0.0279 0.0298