Measurement results by the hour (Chofu) 23 Apr., 2018 - 29 Apr., 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., 29 Apr. 0.0303 0.0266 0.0282
22:01-23:00, Sun., 29 Apr. 0.0312 0.0263 0.0284
21:01-22:00, Sun., 29 Apr. 0.0305 0.0262 0.0284
20:01-21:00, Sun., 29 Apr. 0.0300 0.0265 0.0281
19:01-20:00, Sun., 29 Apr. 0.0291 0.0260 0.0277
18:01-19:00, Sun., 29 Apr. 0.0311 0.0258 0.0283
17:01-18:00, Sun., 29 Apr. 0.0300 0.0262 0.0282
16:01-17:00, Sun., 29 Apr. 0.0299 0.0255 0.0279
15:01-16:00, Sun., 29 Apr. 0.0296 0.0261 0.0281
14:01-15:00, Sun., 29 Apr. 0.0310 0.0265 0.0279
13:01-14:00, Sun., 29 Apr. 0.0298 0.0259 0.0279
12:01-13:00, Sun., 29 Apr. 0.0295 0.0265 0.0281
11:01-12:00, Sun., 29 Apr. 0.0304 0.0263 0.0281
10:01-11:00, Sun., 29 Apr. 0.0304 0.0260 0.0281
09:01-10:00, Sun., 29 Apr. 0.0309 0.0262 0.0285
08:01-09:00, Sun., 29 Apr. 0.0311 0.0266 0.0288
07:01-08:00, Sun., 29 Apr. 0.0309 0.0266 0.0287
06:01-07:00, Sun., 29 Apr. 0.0310 0.0273 0.0291
05:01-06:00, Sun., 29 Apr. 0.0310 0.0276 0.0290
04:01-05:00, Sun., 29 Apr. 0.0317 0.0266 0.0291
03:01-04:00, Sun., 29 Apr. 0.0310 0.0275 0.0290
02:01-03:00, Sun., 29 Apr. 0.0301 0.0274 0.0287
01:01-02:00, Sun., 29 Apr. 0.0310 0.0268 0.0286
00:01-01:00, Sun., 29 Apr. 0.0303 0.0267 0.0285
23:01-24:00, Sat., 28 Apr. 0.0303 0.0266 0.0285
22:01-23:00, Sat., 28 Apr. 0.0299 0.0266 0.0283
21:01-22:00, Sat., 28 Apr. 0.0297 0.0267 0.0281
20:01-21:00, Sat., 28 Apr. 0.0299 0.0273 0.0285
19:01-20:00, Sat., 28 Apr. 0.0305 0.0265 0.0284
18:01-19:00, Sat., 28 Apr. 0.0296 0.0261 0.0279
17:01-18:00, Sat., 28 Apr. 0.0299 0.0264 0.0282
16:01-17:00, Sat., 28 Apr. 0.0301 0.0259 0.0281
15:01-16:00, Sat., 28 Apr. 0.0301 0.0270 0.0281
14:01-15:00, Sat., 28 Apr. 0.0301 0.0264 0.0282
13:01-14:00, Sat., 28 Apr. 0.0297 0.0268 0.0282
12:01-13:00, Sat., 28 Apr. 0.0304 0.0258 0.0279
11:01-12:00, Sat., 28 Apr. 0.0290 0.0259 0.0277
10:01-11:00, Sat., 28 Apr. 0.0296 0.0256 0.0277
09:01-10:00, Sat., 28 Apr. 0.0298 0.0263 0.0281
08:01-09:00, Sat., 28 Apr. 0.0305 0.0264 0.0286
07:01-08:00, Sat., 28 Apr. 0.0299 0.0266 0.0283
06:01-07:00, Sat., 28 Apr. 0.0301 0.0265 0.0284
05:01-06:00, Sat., 28 Apr. 0.0308 0.0263 0.0284
04:01-05:00, Sat., 28 Apr. 0.0298 0.0264 0.0281
03:01-04:00, Sat., 28 Apr. 0.0321 0.0263 0.0284
02:01-03:00, Sat., 28 Apr. 0.0302 0.0263 0.0282
01:01-02:00, Sat., 28 Apr. 0.0300 0.0265 0.0282
00:01-01:00, Sat., 28 Apr. 0.0302 0.0267 0.0283
23:01-24:00, Fri., 27 Apr. 0.0309 0.0266 0.0286
22:01-23:00, Fri., 27 Apr. 0.0303 0.0266 0.0284
21:01-22:00, Fri., 27 Apr. 0.0301 0.0253 0.0279
20:01-21:00, Fri., 27 Apr. 0.0292 0.0264 0.0278
19:01-20:00, Fri., 27 Apr. 0.0294 0.0257 0.0278
18:01-19:00, Fri., 27 Apr. 0.0293 0.0259 0.0275
17:01-18:00, Fri., 27 Apr. 0.0300 0.0261 0.0278
16:01-17:00, Fri., 27 Apr. 0.0304 0.0252 0.0277
15:01-16:00, Fri., 27 Apr. 0.0290 0.0258 0.0273
14:01-15:00, Fri., 27 Apr. 0.0291 0.0260 0.0275
13:01-14:00, Fri., 27 Apr. 0.0293 0.0256 0.0277
12:01-13:00, Fri., 27 Apr. 0.0295 0.0257 0.0274
11:01-12:00, Fri., 27 Apr. 0.0300 0.0262 0.0276
10:01-11:00, Fri., 27 Apr. 0.0303 0.0258 0.0275
09:01-10:00, Fri., 27 Apr. 0.0293 0.0254 0.0275
08:01-09:00, Fri., 27 Apr. 0.0310 0.0262 0.0283
07:01-08:00, Fri., 27 Apr. 0.0306 0.0268 0.0286
06:01-07:00, Fri., 27 Apr. 0.0302 0.0262 0.0283
05:01-06:00, Fri., 27 Apr. 0.0305 0.0259 0.0281
04:01-05:00, Fri., 27 Apr. 0.0306 0.0263 0.0280
03:01-04:00, Fri., 27 Apr. 0.0296 0.0257 0.0277
02:01-03:00, Fri., 27 Apr. 0.0293 0.0260 0.0275
01:01-02:00, Fri., 27 Apr. 0.0296 0.0259 0.0278
00:01-01:00, Fri., 27 Apr. 0.0296 0.0258 0.0277
23:01-24:00, Thu., 26 Apr. 0.0306 0.0264 0.0278
22:01-23:00, Thu., 26 Apr. 0.0298 0.0258 0.0275
21:01-22:00, Thu., 26 Apr. 0.0298 0.0260 0.0276
20:01-21:00, Thu., 26 Apr. 0.0296 0.0256 0.0277
19:01-20:00, Thu., 26 Apr. 0.0288 0.0258 0.0273
18:01-19:00, Thu., 26 Apr. 0.0289 0.0256 0.0274
17:01-18:00, Thu., 26 Apr. 0.0310 0.0255 0.0275
16:01-17:00, Thu., 26 Apr. 0.0300 0.0256 0.0276
15:01-16:00, Thu., 26 Apr. 0.0292 0.0256 0.0276
14:01-15:00, Thu., 26 Apr. 0.0293 0.0245 0.0273
13:01-14:00, Thu., 26 Apr. 0.0295 0.0257 0.0275
12:01-13:00, Thu., 26 Apr. 0.0291 0.0250 0.0273
11:01-12:00, Thu., 26 Apr. 0.0289 0.0248 0.0272
10:01-11:00, Thu., 26 Apr. 0.0298 0.0255 0.0276
09:01-10:00, Thu., 26 Apr. 0.0299 0.0259 0.0275
08:01-09:00, Thu., 26 Apr. 0.0299 0.0259 0.0277
07:01-08:00, Thu., 26 Apr. 0.0291 0.0260 0.0274
06:01-07:00, Thu., 26 Apr. 0.0300 0.0259 0.0276
05:01-06:00, Thu., 26 Apr. 0.0295 0.0256 0.0273
04:01-05:00, Thu., 26 Apr. 0.0292 0.0258 0.0275
03:01-04:00, Thu., 26 Apr. 0.0294 0.0260 0.0275
02:01-03:00, Thu., 26 Apr. 0.0294 0.0254 0.0275
01:01-02:00, Thu., 26 Apr. 0.0298 0.0255 0.0275
00:01-01:00, Thu., 26 Apr. 0.0297 0.0259 0.0279
23:01-24:00, Wed., 25 Apr. 0.0306 0.0264 0.0283
22:01-23:00, Wed., 25 Apr. 0.0298 0.0258 0.0279
21:01-22:00, Wed., 25 Apr. 0.0302 0.0261 0.0276
20:01-21:00, Wed., 25 Apr. 0.0301 0.0262 0.0278
19:01-20:00, Wed., 25 Apr. 0.0294 0.0253 0.0274
18:01-19:00, Wed., 25 Apr. 0.0291 0.0256 0.0272
17:01-18:00, Wed., 25 Apr. 0.0294 0.0257 0.0274
16:01-17:00, Wed., 25 Apr. 0.0302 0.0255 0.0273
15:01-16:00, Wed., 25 Apr. 0.0299 0.0255 0.0274
14:01-15:00, Wed., 25 Apr. 0.0297 0.0254 0.0277
13:01-14:00, Wed., 25 Apr. 0.0317 0.0267 0.0286
12:01-13:00, Wed., 25 Apr. 0.0344 0.0286 0.0310
11:01-12:00, Wed., 25 Apr. 0.0464 0.0327 0.0373
10:01-11:00, Wed., 25 Apr. 0.0491 0.0391 0.0435
09:01-10:00, Wed., 25 Apr. 0.0496 0.0429 0.0459
08:01-09:00, Wed., 25 Apr. 0.0479 0.0364 0.0418
07:01-08:00, Wed., 25 Apr. 0.0366 0.0299 0.0329
06:01-07:00, Wed., 25 Apr. 0.0332 0.0281 0.0308
05:01-06:00, Wed., 25 Apr. 0.0313 0.0271 0.0294
04:01-05:00, Wed., 25 Apr. 0.0307 0.0270 0.0289
03:01-04:00, Wed., 25 Apr. 0.0298 0.0262 0.0281
02:01-03:00, Wed., 25 Apr. 0.0302 0.0266 0.0284
01:01-02:00, Wed., 25 Apr. 0.0302 0.0266 0.0283
00:01-01:00, Wed., 25 Apr. 0.0303 0.0265 0.0284
23:01-24:00, Tue., 24 Apr. 0.0307 0.0267 0.0286
22:01-23:00, Tue., 24 Apr. 0.0311 0.0264 0.0287
21:01-22:00, Tue., 24 Apr. 0.0314 0.0266 0.0290
20:01-21:00, Tue., 24 Apr. 0.0312 0.0277 0.0296
19:01-20:00, Tue., 24 Apr. 0.0314 0.0271 0.0289
18:01-19:00, Tue., 24 Apr. 0.0317 0.0271 0.0293
17:01-18:00, Tue., 24 Apr. 0.0346 0.0297 0.0319
16:01-17:00, Tue., 24 Apr. 0.0360 0.0311 0.0336
15:01-16:00, Tue., 24 Apr. 0.0359 0.0273 0.0323
14:01-15:00, Tue., 24 Apr. 0.0299 0.0263 0.0285
13:01-14:00, Tue., 24 Apr. 0.0311 0.0267 0.0282
12:01-13:00, Tue., 24 Apr. 0.0299 0.0272 0.0284
11:01-12:00, Tue., 24 Apr. 0.0298 0.0269 0.0282
10:01-11:00, Tue., 24 Apr. 0.0304 0.0264 0.0289
09:01-10:00, Tue., 24 Apr. 0.0312 0.0268 0.0290
08:01-09:00, Tue., 24 Apr. 0.0308 0.0272 0.0287
07:01-08:00, Tue., 24 Apr. 0.0313 0.0264 0.0289
06:01-07:00, Tue., 24 Apr. 0.0307 0.0262 0.0291
05:01-06:00, Tue., 24 Apr. 0.0307 0.0269 0.0289
04:01-05:00, Tue., 24 Apr. 0.0310 0.0271 0.0289
03:01-04:00, Tue., 24 Apr. 0.0309 0.0274 0.0287
02:01-03:00, Tue., 24 Apr. 0.0312 0.0268 0.0289
01:01-02:00, Tue., 24 Apr. 0.0311 0.0258 0.0286
00:01-01:00, Tue., 24 Apr. 0.0308 0.0270 0.0289
23:01-24:00, Mon., 23 Apr. 0.0316 0.0265 0.0289
22:01-23:00, Mon., 23 Apr. 0.0307 0.0268 0.0286
21:01-22:00, Mon., 23 Apr. 0.0303 0.0276 0.0289
20:01-21:00, Mon., 23 Apr. 0.0309 0.0269 0.0291
19:01-20:00, Mon., 23 Apr. 0.0316 0.0269 0.0292
18:01-19:00, Mon., 23 Apr. 0.0304 0.0269 0.0289
17:01-18:00, Mon., 23 Apr. 0.0307 0.0266 0.0287
16:01-17:00, Mon., 23 Apr. 0.0313 0.0269 0.0288
15:01-16:00, Mon., 23 Apr. 0.0300 0.0267 0.0289
14:01-15:00, Mon., 23 Apr. 0.0309 0.0265 0.0287
13:01-14:00, Mon., 23 Apr. 0.0304 0.0267 0.0288
12:01-13:00, Mon., 23 Apr. 0.0306 0.0269 0.0287
11:01-12:00, Mon., 23 Apr. 0.0304 0.0273 0.0289
10:01-11:00, Mon., 23 Apr. 0.0311 0.0266 0.0287
09:01-10:00, Mon., 23 Apr. 0.0312 0.0269 0.0291
08:01-09:00, Mon., 23 Apr. 0.0310 0.0271 0.0291
07:01-08:00, Mon., 23 Apr. 0.0309 0.0273 0.0290
06:01-07:00, Mon., 23 Apr. 0.0306 0.0266 0.0288
05:01-06:00, Mon., 23 Apr. 0.0312 0.0273 0.0291
04:01-05:00, Mon., 23 Apr. 0.0314 0.0267 0.0287
03:01-04:00, Mon., 23 Apr. 0.0303 0.0268 0.0287
02:01-03:00, Mon., 23 Apr. 0.0321 0.0271 0.0292
01:01-02:00, Mon., 23 Apr. 0.0307 0.0279 0.0292
00:01-01:00, Mon., 23 Apr. 0.0314 0.0277 0.0294