Measurement results by the hour (Chofu) 12 Sep., 2022 - 18 Sep., 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., 18 Sep. 0.0283 0.0243 0.0260
22:01-23:00, Sun., 18 Sep. 0.0280 0.0239 0.0260
21:01-22:00, Sun., 18 Sep. 0.0269 0.0234 0.0253
20:01-21:00, Sun., 18 Sep. 0.0272 0.0235 0.0254
19:01-20:00, Sun., 18 Sep. 0.0270 0.0236 0.0256
18:01-19:00, Sun., 18 Sep. 0.0283 0.0243 0.0260
17:01-18:00, Sun., 18 Sep. 0.0282 0.0239 0.0264
16:01-17:00, Sun., 18 Sep. 0.0291 0.0242 0.0264
15:01-16:00, Sun., 18 Sep. 0.0298 0.0257 0.0273
14:01-15:00, Sun., 18 Sep. 0.0302 0.0263 0.0286
13:01-14:00, Sun., 18 Sep. 0.0303 0.0257 0.0284
12:01-13:00, Sun., 18 Sep. 0.0306 0.0262 0.0285
11:01-12:00, Sun., 18 Sep. 0.0320 0.0272 0.0295
10:01-11:00, Sun., 18 Sep. 0.0349 0.0285 0.0321
09:01-10:00, Sun., 18 Sep. 0.0372 0.0272 0.0327
08:01-09:00, Sun., 18 Sep. 0.0302 0.0258 0.0281
07:01-08:00, Sun., 18 Sep. 0.0296 0.0260 0.0277
06:01-07:00, Sun., 18 Sep. 0.0312 0.0265 0.0281
05:01-06:00, Sun., 18 Sep. 0.0306 0.0273 0.0285
04:01-05:00, Sun., 18 Sep. 0.0304 0.0265 0.0287
03:01-04:00, Sun., 18 Sep. 0.0299 0.0259 0.0278
02:01-03:00, Sun., 18 Sep. 0.0306 0.0260 0.0281
01:01-02:00, Sun., 18 Sep. 0.0318 0.0271 0.0300
00:01-01:00, Sun., 18 Sep. 0.0334 0.0279 0.0304
23:01-24:00, Sat., 17 Sep. 0.0295 0.0255 0.0279
22:01-23:00, Sat., 17 Sep. 0.0299 0.0257 0.0278
21:01-22:00, Sat., 17 Sep. 0.0301 0.0258 0.0280
20:01-21:00, Sat., 17 Sep. 0.0295 0.0259 0.0276
19:01-20:00, Sat., 17 Sep. 0.0298 0.0261 0.0275
18:01-19:00, Sat., 17 Sep. 0.0294 0.0253 0.0275
17:01-18:00, Sat., 17 Sep. 0.0298 0.0258 0.0276
16:01-17:00, Sat., 17 Sep. 0.0293 0.0257 0.0275
15:01-16:00, Sat., 17 Sep. 0.0294 0.0253 0.0275
14:01-15:00, Sat., 17 Sep. 0.0300 0.0255 0.0280
13:01-14:00, Sat., 17 Sep. 0.0293 0.0260 0.0274
12:01-13:00, Sat., 17 Sep. 0.0298 0.0261 0.0279
11:01-12:00, Sat., 17 Sep. 0.0294 0.0258 0.0279
10:01-11:00, Sat., 17 Sep. 0.0300 0.0259 0.0282
09:01-10:00, Sat., 17 Sep. 0.0304 0.0267 0.0283
08:01-09:00, Sat., 17 Sep. 0.0303 0.0259 0.0286
07:01-08:00, Sat., 17 Sep. 0.0312 0.0270 0.0288
06:01-07:00, Sat., 17 Sep. 0.0311 0.0274 0.0291
05:01-06:00, Sat., 17 Sep. 0.0311 0.0274 0.0291
04:01-05:00, Sat., 17 Sep. 0.0315 0.0272 0.0292
03:01-04:00, Sat., 17 Sep. 0.0321 0.0270 0.0296
02:01-03:00, Sat., 17 Sep. 0.0316 0.0268 0.0293
01:01-02:00, Sat., 17 Sep. 0.0316 0.0268 0.0293
00:01-01:00, Sat., 17 Sep. 0.0309 0.0271 0.0290
23:01-24:00, Fri., 16 Sep. 0.0310 0.0266 0.0287
22:01-23:00, Fri., 16 Sep. 0.0293 0.0261 0.0276
21:01-22:00, Fri., 16 Sep. 0.0296 0.0261 0.0275
20:01-21:00, Fri., 16 Sep. 0.0291 0.0254 0.0273
19:01-20:00, Fri., 16 Sep. 0.0296 0.0257 0.0274
18:01-19:00, Fri., 16 Sep. 0.0289 0.0259 0.0274
17:01-18:00, Fri., 16 Sep. 0.0296 0.0253 0.0274
16:01-17:00, Fri., 16 Sep. 0.0296 0.0258 0.0275
15:01-16:00, Fri., 16 Sep. 0.0293 0.0251 0.0273
14:01-15:00, Fri., 16 Sep. 0.0292 0.0256 0.0274
13:01-14:00, Fri., 16 Sep. 0.0292 0.0255 0.0277
12:01-13:00, Fri., 16 Sep. 0.0302 0.0246 0.0279
11:01-12:00, Fri., 16 Sep. 0.0299 0.0254 0.0278
10:01-11:00, Fri., 16 Sep. 0.0296 0.0261 0.0280
09:01-10:00, Fri., 16 Sep. 0.0307 0.0255 0.0283
08:01-09:00, Fri., 16 Sep. 0.0303 0.0270 0.0282
07:01-08:00, Fri., 16 Sep. 0.0309 0.0266 0.0290
06:01-07:00, Fri., 16 Sep. 0.0311 0.0276 0.0293
05:01-06:00, Fri., 16 Sep. 0.0304 0.0272 0.0288
04:01-05:00, Fri., 16 Sep. 0.0307 0.0269 0.0287
03:01-04:00, Fri., 16 Sep. 0.0308 0.0269 0.0286
02:01-03:00, Fri., 16 Sep. 0.0302 0.0260 0.0283
01:01-02:00, Fri., 16 Sep. 0.0298 0.0261 0.0281
00:01-01:00, Fri., 16 Sep. 0.0302 0.0261 0.0279
23:01-24:00, Thu., 15 Sep. 0.0315 0.0253 0.0278
22:01-23:00, Thu., 15 Sep. 0.0293 0.0258 0.0275
21:01-22:00, Thu., 15 Sep. 0.0295 0.0263 0.0279
20:01-21:00, Thu., 15 Sep. 0.0297 0.0252 0.0276
19:01-20:00, Thu., 15 Sep. 0.0303 0.0254 0.0281
18:01-19:00, Thu., 15 Sep. 0.0297 0.0261 0.0275
17:01-18:00, Thu., 15 Sep. 0.0292 0.0265 0.0279
16:01-17:00, Thu., 15 Sep. 0.0298 0.0257 0.0277
15:01-16:00, Thu., 15 Sep. 0.0299 0.0263 0.0278
14:01-15:00, Thu., 15 Sep. 0.0303 0.0249 0.0279
13:01-14:00, Thu., 15 Sep. 0.0298 0.0260 0.0279
12:01-13:00, Thu., 15 Sep. 0.0300 0.0256 0.0279
11:01-12:00, Thu., 15 Sep. 0.0298 0.0263 0.0281
10:01-11:00, Thu., 15 Sep. 0.0297 0.0257 0.0277
09:01-10:00, Thu., 15 Sep. 0.0304 0.0264 0.0277
08:01-09:00, Thu., 15 Sep. 0.0296 0.0260 0.0279
07:01-08:00, Thu., 15 Sep. 0.0296 0.0262 0.0279
06:01-07:00, Thu., 15 Sep. 0.0294 0.0263 0.0278
05:01-06:00, Thu., 15 Sep. 0.0294 0.0263 0.0278
04:01-05:00, Thu., 15 Sep. 0.0295 0.0265 0.0279
03:01-04:00, Thu., 15 Sep. 0.0308 0.0262 0.0278
02:01-03:00, Thu., 15 Sep. 0.0295 0.0261 0.0280
01:01-02:00, Thu., 15 Sep. 0.0295 0.0260 0.0280
00:01-01:00, Thu., 15 Sep. 0.0298 0.0255 0.0280
23:01-24:00, Wed., 14 Sep. 0.0296 0.0266 0.0282
22:01-23:00, Wed., 14 Sep. 0.0299 0.0262 0.0282
21:01-22:00, Wed., 14 Sep. 0.0297 0.0262 0.0280
20:01-21:00, Wed., 14 Sep. 0.0300 0.0265 0.0283
19:01-20:00, Wed., 14 Sep. 0.0303 0.0265 0.0280
18:01-19:00, Wed., 14 Sep. 0.0303 0.0262 0.0278
17:01-18:00, Wed., 14 Sep. 0.0297 0.0260 0.0276
16:01-17:00, Wed., 14 Sep. 0.0296 0.0258 0.0275
15:01-16:00, Wed., 14 Sep. 0.0298 0.0262 0.0275
14:01-15:00, Wed., 14 Sep. 0.0300 0.0258 0.0279
13:01-14:00, Wed., 14 Sep. 0.0293 0.0259 0.0279
12:01-13:00, Wed., 14 Sep. 0.0302 0.0261 0.0282
11:01-12:00, Wed., 14 Sep. 0.0297 0.0260 0.0280
10:01-11:00, Wed., 14 Sep. 0.0299 0.0265 0.0281
09:01-10:00, Wed., 14 Sep. 0.0311 0.0272 0.0291
08:01-09:00, Wed., 14 Sep. 0.0308 0.0268 0.0288
07:01-08:00, Wed., 14 Sep. 0.0312 0.0275 0.0294
06:01-07:00, Wed., 14 Sep. 0.0316 0.0272 0.0291
05:01-06:00, Wed., 14 Sep. 0.0309 0.0278 0.0291
04:01-05:00, Wed., 14 Sep. 0.0303 0.0268 0.0286
03:01-04:00, Wed., 14 Sep. 0.0310 0.0261 0.0287
02:01-03:00, Wed., 14 Sep. 0.0296 0.0255 0.0275
01:01-02:00, Wed., 14 Sep. 0.0291 0.0248 0.0273
00:01-01:00, Wed., 14 Sep. 0.0294 0.0249 0.0270
23:01-24:00, Tue., 13 Sep. 0.0285 0.0249 0.0269
22:01-23:00, Tue., 13 Sep. 0.0296 0.0252 0.0270
21:01-22:00, Tue., 13 Sep. 0.0288 0.0253 0.0272
20:01-21:00, Tue., 13 Sep. 0.0289 0.0245 0.0270
19:01-20:00, Tue., 13 Sep. 0.0290 0.0254 0.0270
18:01-19:00, Tue., 13 Sep. 0.0294 0.0242 0.0269
17:01-18:00, Tue., 13 Sep. 0.0288 0.0251 0.0268
16:01-17:00, Tue., 13 Sep. 0.0294 0.0260 0.0273
15:01-16:00, Tue., 13 Sep. 0.0285 0.0253 0.0271
14:01-15:00, Tue., 13 Sep. 0.0293 0.0256 0.0273
13:01-14:00, Tue., 13 Sep. 0.0301 0.0258 0.0273
12:01-13:00, Tue., 13 Sep. 0.0289 0.0250 0.0272
11:01-12:00, Tue., 13 Sep. 0.0293 0.0252 0.0272
10:01-11:00, Tue., 13 Sep. 0.0305 0.0259 0.0275
09:01-10:00, Tue., 13 Sep. 0.0290 0.0257 0.0274
08:01-09:00, Tue., 13 Sep. 0.0296 0.0253 0.0272
07:01-08:00, Tue., 13 Sep. 0.0289 0.0261 0.0273
06:01-07:00, Tue., 13 Sep. 0.0301 0.0257 0.0273
05:01-06:00, Tue., 13 Sep. 0.0296 0.0253 0.0273
04:01-05:00, Tue., 13 Sep. 0.0294 0.0256 0.0271
03:01-04:00, Tue., 13 Sep. 0.0289 0.0244 0.0270
02:01-03:00, Tue., 13 Sep. 0.0288 0.0252 0.0271
01:01-02:00, Tue., 13 Sep. 0.0284 0.0252 0.0269
00:01-01:00, Tue., 13 Sep. 0.0288 0.0248 0.0269
23:01-24:00, Mon., 12 Sep. 0.0286 0.0251 0.0266
22:01-23:00, Mon., 12 Sep. 0.0292 0.0250 0.0272
21:01-22:00, Mon., 12 Sep. 0.0288 0.0251 0.0268
20:01-21:00, Mon., 12 Sep. 0.0287 0.0253 0.0270
19:01-20:00, Mon., 12 Sep. 0.0285 0.0254 0.0270
18:01-19:00, Mon., 12 Sep. 0.0287 0.0248 0.0269
17:01-18:00, Mon., 12 Sep. 0.0289 0.0249 0.0266
16:01-17:00, Mon., 12 Sep. 0.0293 0.0255 0.0268
15:01-16:00, Mon., 12 Sep. 0.0288 0.0241 0.0267
14:01-15:00, Mon., 12 Sep. 0.0287 0.0251 0.0269
13:01-14:00, Mon., 12 Sep. 0.0286 0.0252 0.0267
12:01-13:00, Mon., 12 Sep. 0.0287 0.0252 0.0268
11:01-12:00, Mon., 12 Sep. 0.0282 0.0246 0.0268
10:01-11:00, Mon., 12 Sep. 0.0285 0.0247 0.0267
09:01-10:00, Mon., 12 Sep. 0.0290 0.0249 0.0269
08:01-09:00, Mon., 12 Sep. 0.0288 0.0251 0.0270
07:01-08:00, Mon., 12 Sep. 0.0288 0.0252 0.0273
06:01-07:00, Mon., 12 Sep. 0.0296 0.0258 0.0274
05:01-06:00, Mon., 12 Sep. 0.0290 0.0251 0.0271
04:01-05:00, Mon., 12 Sep. 0.0294 0.0249 0.0268
03:01-04:00, Mon., 12 Sep. 0.0289 0.0253 0.0271
02:01-03:00, Mon., 12 Sep. 0.0288 0.0248 0.0268
01:01-02:00, Mon., 12 Sep. 0.0283 0.0245 0.0268
00:01-01:00, Mon., 12 Sep. 0.0284 0.0247 0.0264