Measurement results by the hour (Chofu) 26 Sep., 2022 - 2 Oct., 2022

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., 02 Oct. 0.0305 0.0268 0.0283
22:01-23:00, Sun., 02 Oct. 0.0309 0.0264 0.0285
21:01-22:00, Sun., 02 Oct. 0.0306 0.0269 0.0285
20:01-21:00, Sun., 02 Oct. 0.0294 0.0259 0.0280
19:01-20:00, Sun., 02 Oct. 0.0296 0.0259 0.0281
18:01-19:00, Sun., 02 Oct. 0.0303 0.0255 0.0276
17:01-18:00, Sun., 02 Oct. 0.0297 0.0260 0.0276
16:01-17:00, Sun., 02 Oct. 0.0297 0.0260 0.0279
15:01-16:00, Sun., 02 Oct. 0.0300 0.0260 0.0281
14:01-15:00, Sun., 02 Oct. 0.0302 0.0261 0.0281
13:01-14:00, Sun., 02 Oct. 0.0299 0.0266 0.0280
12:01-13:00, Sun., 02 Oct. 0.0303 0.0265 0.0283
11:01-12:00, Sun., 02 Oct. 0.0303 0.0265 0.0281
10:01-11:00, Sun., 02 Oct. 0.0316 0.0272 0.0287
09:01-10:00, Sun., 02 Oct. 0.0315 0.0272 0.0296
08:01-09:00, Sun., 02 Oct. 0.0317 0.0279 0.0296
07:01-08:00, Sun., 02 Oct. 0.0318 0.0280 0.0297
06:01-07:00, Sun., 02 Oct. 0.0319 0.0279 0.0298
05:01-06:00, Sun., 02 Oct. 0.0322 0.0278 0.0294
04:01-05:00, Sun., 02 Oct. 0.0309 0.0273 0.0293
03:01-04:00, Sun., 02 Oct. 0.0308 0.0268 0.0294
02:01-03:00, Sun., 02 Oct. 0.0312 0.0273 0.0291
01:01-02:00, Sun., 02 Oct. 0.0313 0.0274 0.0291
00:01-01:00, Sun., 02 Oct. 0.0302 0.0264 0.0286
23:01-24:00, Sat., 01 Oct. 0.0295 0.0261 0.0277
22:01-23:00, Sat., 01 Oct. 0.0294 0.0252 0.0276
21:01-22:00, Sat., 01 Oct. 0.0288 0.0253 0.0272
20:01-21:00, Sat., 01 Oct. 0.0287 0.0248 0.0271
19:01-20:00, Sat., 01 Oct. 0.0297 0.0246 0.0270
18:01-19:00, Sat., 01 Oct. 0.0293 0.0251 0.0271
17:01-18:00, Sat., 01 Oct. 0.0296 0.0257 0.0272
16:01-17:00, Sat., 01 Oct. 0.0289 0.0260 0.0271
15:01-16:00, Sat., 01 Oct. 0.0291 0.0255 0.0273
14:01-15:00, Sat., 01 Oct. 0.0292 0.0257 0.0277
13:01-14:00, Sat., 01 Oct. 0.0294 0.0254 0.0274
12:01-13:00, Sat., 01 Oct. 0.0293 0.0249 0.0272
11:01-12:00, Sat., 01 Oct. 0.0292 0.0255 0.0275
10:01-11:00, Sat., 01 Oct. 0.0299 0.0256 0.0277
09:01-10:00, Sat., 01 Oct. 0.0305 0.0266 0.0280
08:01-09:00, Sat., 01 Oct. 0.0303 0.0264 0.0281
07:01-08:00, Sat., 01 Oct. 0.0303 0.0266 0.0281
06:01-07:00, Sat., 01 Oct. 0.0302 0.0262 0.0283
05:01-06:00, Sat., 01 Oct. 0.0293 0.0264 0.0280
04:01-05:00, Sat., 01 Oct. 0.0303 0.0255 0.0283
03:01-04:00, Sat., 01 Oct. 0.0300 0.0257 0.0277
02:01-03:00, Sat., 01 Oct. 0.0300 0.0257 0.0280
01:01-02:00, Sat., 01 Oct. 0.0293 0.0261 0.0280
00:01-01:00, Sat., 01 Oct. 0.0294 0.0256 0.0280
23:01-24:00, Fri., 30 Sep. 0.0299 0.0267 0.0280
22:01-23:00, Fri., 30 Sep. 0.0288 0.0251 0.0273
21:01-22:00, Fri., 30 Sep. 0.0302 0.0254 0.0272
20:01-21:00, Fri., 30 Sep. 0.0292 0.0249 0.0271
19:01-20:00, Fri., 30 Sep. 0.0287 0.0251 0.0271
18:01-19:00, Fri., 30 Sep. 0.0292 0.0252 0.0272
17:01-18:00, Fri., 30 Sep. 0.0292 0.0247 0.0275
16:01-17:00, Fri., 30 Sep. 0.0297 0.0257 0.0273
15:01-16:00, Fri., 30 Sep. 0.0292 0.0248 0.0274
14:01-15:00, Fri., 30 Sep. 0.0292 0.0256 0.0274
13:01-14:00, Fri., 30 Sep. 0.0294 0.0253 0.0274
12:01-13:00, Fri., 30 Sep. 0.0297 0.0256 0.0277
11:01-12:00, Fri., 30 Sep. 0.0295 0.0262 0.0278
10:01-11:00, Fri., 30 Sep. 0.0292 0.0257 0.0276
09:01-10:00, Fri., 30 Sep. 0.0300 0.0254 0.0284
08:01-09:00, Fri., 30 Sep. 0.0309 0.0264 0.0288
07:01-08:00, Fri., 30 Sep. 0.0308 0.0274 0.0288
06:01-07:00, Fri., 30 Sep. 0.0308 0.0264 0.0285
05:01-06:00, Fri., 30 Sep. 0.0301 0.0272 0.0285
04:01-05:00, Fri., 30 Sep. 0.0304 0.0260 0.0286
03:01-04:00, Fri., 30 Sep. 0.0304 0.0264 0.0286
02:01-03:00, Fri., 30 Sep. 0.0304 0.0261 0.0281
01:01-02:00, Fri., 30 Sep. 0.0299 0.0259 0.0277
00:01-01:00, Fri., 30 Sep. 0.0295 0.0262 0.0279
23:01-24:00, Thu., 29 Sep. 0.0299 0.0265 0.0280
22:01-23:00, Thu., 29 Sep. 0.0302 0.0264 0.0284
21:01-22:00, Thu., 29 Sep. 0.0302 0.0255 0.0277
20:01-21:00, Thu., 29 Sep. 0.0295 0.0256 0.0275
19:01-20:00, Thu., 29 Sep. 0.0297 0.0256 0.0276
18:01-19:00, Thu., 29 Sep. 0.0293 0.0256 0.0275
17:01-18:00, Thu., 29 Sep. 0.0298 0.0259 0.0276
16:01-17:00, Thu., 29 Sep. 0.0293 0.0256 0.0275
15:01-16:00, Thu., 29 Sep. 0.0297 0.0260 0.0275
14:01-15:00, Thu., 29 Sep. 0.0296 0.0247 0.0276
13:01-14:00, Thu., 29 Sep. 0.0297 0.0258 0.0276
12:01-13:00, Thu., 29 Sep. 0.0304 0.0255 0.0276
11:01-12:00, Thu., 29 Sep. 0.0295 0.0259 0.0276
10:01-11:00, Thu., 29 Sep. 0.0296 0.0257 0.0279
09:01-10:00, Thu., 29 Sep. 0.0301 0.0263 0.0278
08:01-09:00, Thu., 29 Sep. 0.0299 0.0263 0.0280
07:01-08:00, Thu., 29 Sep. 0.0296 0.0260 0.0279
06:01-07:00, Thu., 29 Sep. 0.0297 0.0261 0.0280
05:01-06:00, Thu., 29 Sep. 0.0308 0.0267 0.0288
04:01-05:00, Thu., 29 Sep. 0.0299 0.0261 0.0284
03:01-04:00, Thu., 29 Sep. 0.0306 0.0258 0.0279
02:01-03:00, Thu., 29 Sep. 0.0290 0.0253 0.0274
01:01-02:00, Thu., 29 Sep. 0.0299 0.0263 0.0277
00:01-01:00, Thu., 29 Sep. 0.0320 0.0269 0.0288
23:01-24:00, Wed., 28 Sep. 0.0334 0.0283 0.0309
22:01-23:00, Wed., 28 Sep. 0.0307 0.0254 0.0285
21:01-22:00, Wed., 28 Sep. 0.0289 0.0255 0.0273
20:01-21:00, Wed., 28 Sep. 0.0287 0.0255 0.0271
19:01-20:00, Wed., 28 Sep. 0.0288 0.0255 0.0272
18:01-19:00, Wed., 28 Sep. 0.0291 0.0255 0.0272
17:01-18:00, Wed., 28 Sep. 0.0299 0.0253 0.0273
16:01-17:00, Wed., 28 Sep. 0.0294 0.0261 0.0275
15:01-16:00, Wed., 28 Sep. 0.0293 0.0259 0.0273
14:01-15:00, Wed., 28 Sep. 0.0294 0.0244 0.0275
13:01-14:00, Wed., 28 Sep. 0.0305 0.0253 0.0273
12:01-13:00, Wed., 28 Sep. 0.0299 0.0252 0.0277
11:01-12:00, Wed., 28 Sep. 0.0296 0.0258 0.0275
10:01-11:00, Wed., 28 Sep. 0.0297 0.0263 0.0277
09:01-10:00, Wed., 28 Sep. 0.0298 0.0251 0.0276
08:01-09:00, Wed., 28 Sep. 0.0303 0.0259 0.0278
07:01-08:00, Wed., 28 Sep. 0.0295 0.0257 0.0276
06:01-07:00, Wed., 28 Sep. 0.0296 0.0258 0.0278
05:01-06:00, Wed., 28 Sep. 0.0300 0.0256 0.0276
04:01-05:00, Wed., 28 Sep. 0.0292 0.0260 0.0276
03:01-04:00, Wed., 28 Sep. 0.0291 0.0255 0.0274
02:01-03:00, Wed., 28 Sep. 0.0292 0.0259 0.0276
01:01-02:00, Wed., 28 Sep. 0.0299 0.0256 0.0275
00:01-01:00, Wed., 28 Sep. 0.0296 0.0260 0.0274
23:01-24:00, Tue., 27 Sep. 0.0300 0.0258 0.0273
22:01-23:00, Tue., 27 Sep. 0.0290 0.0251 0.0269
21:01-22:00, Tue., 27 Sep. 0.0300 0.0260 0.0273
20:01-21:00, Tue., 27 Sep. 0.0289 0.0252 0.0271
19:01-20:00, Tue., 27 Sep. 0.0291 0.0254 0.0271
18:01-19:00, Tue., 27 Sep. 0.0290 0.0256 0.0271
17:01-18:00, Tue., 27 Sep. 0.0284 0.0250 0.0269
16:01-17:00, Tue., 27 Sep. 0.0291 0.0247 0.0269
15:01-16:00, Tue., 27 Sep. 0.0286 0.0251 0.0271
14:01-15:00, Tue., 27 Sep. 0.0303 0.0252 0.0274
13:01-14:00, Tue., 27 Sep. 0.0289 0.0243 0.0269
12:01-13:00, Tue., 27 Sep. 0.0293 0.0259 0.0274
11:01-12:00, Tue., 27 Sep. 0.0289 0.0249 0.0269
10:01-11:00, Tue., 27 Sep. 0.0288 0.0252 0.0269
09:01-10:00, Tue., 27 Sep. 0.0291 0.0248 0.0269
08:01-09:00, Tue., 27 Sep. 0.0291 0.0259 0.0273
07:01-08:00, Tue., 27 Sep. 0.0289 0.0247 0.0273
06:01-07:00, Tue., 27 Sep. 0.0291 0.0252 0.0273
05:01-06:00, Tue., 27 Sep. 0.0295 0.0254 0.0276
04:01-05:00, Tue., 27 Sep. 0.0296 0.0260 0.0278
03:01-04:00, Tue., 27 Sep. 0.0294 0.0255 0.0280
02:01-03:00, Tue., 27 Sep. 0.0292 0.0257 0.0271
01:01-02:00, Tue., 27 Sep. 0.0295 0.0253 0.0270
00:01-01:00, Tue., 27 Sep. 0.0287 0.0245 0.0269
23:01-24:00, Mon., 26 Sep. 0.0290 0.0251 0.0269
22:01-23:00, Mon., 26 Sep. 0.0285 0.0239 0.0268
21:01-22:00, Mon., 26 Sep. 0.0284 0.0251 0.0268
20:01-21:00, Mon., 26 Sep. 0.0294 0.0246 0.0268
19:01-20:00, Mon., 26 Sep. 0.0282 0.0250 0.0268
18:01-19:00, Mon., 26 Sep. 0.0288 0.0248 0.0267
17:01-18:00, Mon., 26 Sep. 0.0288 0.0251 0.0267
16:01-17:00, Mon., 26 Sep. 0.0288 0.0247 0.0269
15:01-16:00, Mon., 26 Sep. 0.0282 0.0246 0.0269
14:01-15:00, Mon., 26 Sep. 0.0292 0.0257 0.0273
13:01-14:00, Mon., 26 Sep. 0.0289 0.0246 0.0272
12:01-13:00, Mon., 26 Sep. 0.0302 0.0254 0.0272
11:01-12:00, Mon., 26 Sep. 0.0284 0.0256 0.0269
10:01-11:00, Mon., 26 Sep. 0.0287 0.0241 0.0269
09:01-10:00, Mon., 26 Sep. 0.0290 0.0255 0.0273
08:01-09:00, Mon., 26 Sep. 0.0294 0.0244 0.0271
07:01-08:00, Mon., 26 Sep. 0.0298 0.0253 0.0278
06:01-07:00, Mon., 26 Sep. 0.0305 0.0260 0.0280
05:01-06:00, Mon., 26 Sep. 0.0297 0.0256 0.0276
04:01-05:00, Mon., 26 Sep. 0.0297 0.0250 0.0272
03:01-04:00, Mon., 26 Sep. 0.0286 0.0247 0.0270
02:01-03:00, Mon., 26 Sep. 0.0284 0.0249 0.0268
01:01-02:00, Mon., 26 Sep. 0.0287 0.0252 0.0267
00:01-01:00, Mon., 26 Sep. 0.0288 0.0244 0.0266