Measurement results by the hour (Chofu) 13 Jun., 2022 - 19 Jun., 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., 19 Jun. 0.0296 0.0253 0.0274
22:01-23:00, Sun., 19 Jun. 0.0290 0.0255 0.0272
21:01-22:00, Sun., 19 Jun. 0.0289 0.0253 0.0269
20:01-21:00, Sun., 19 Jun. 0.0297 0.0251 0.0273
19:01-20:00, Sun., 19 Jun. 0.0288 0.0247 0.0270
18:01-19:00, Sun., 19 Jun. 0.0287 0.0255 0.0269
17:01-18:00, Sun., 19 Jun. 0.0288 0.0246 0.0269
16:01-17:00, Sun., 19 Jun. 0.0290 0.0247 0.0270
15:01-16:00, Sun., 19 Jun. 0.0291 0.0254 0.0270
14:01-15:00, Sun., 19 Jun. 0.0295 0.0254 0.0271
13:01-14:00, Sun., 19 Jun. 0.0286 0.0246 0.0267
12:01-13:00, Sun., 19 Jun. 0.0286 0.0251 0.0269
11:01-12:00, Sun., 19 Jun. 0.0284 0.0244 0.0265
10:01-11:00, Sun., 19 Jun. 0.0287 0.0246 0.0265
09:01-10:00, Sun., 19 Jun. 0.0290 0.0246 0.0266
08:01-09:00, Sun., 19 Jun. 0.0287 0.0251 0.0273
07:01-08:00, Sun., 19 Jun. 0.0293 0.0251 0.0274
06:01-07:00, Sun., 19 Jun. 0.0298 0.0264 0.0280
05:01-06:00, Sun., 19 Jun. 0.0301 0.0262 0.0280
04:01-05:00, Sun., 19 Jun. 0.0304 0.0262 0.0280
03:01-04:00, Sun., 19 Jun. 0.0304 0.0268 0.0285
02:01-03:00, Sun., 19 Jun. 0.0304 0.0259 0.0281
01:01-02:00, Sun., 19 Jun. 0.0298 0.0259 0.0278
00:01-01:00, Sun., 19 Jun. 0.0287 0.0245 0.0266
23:01-24:00, Sat., 18 Jun. 0.0286 0.0248 0.0267
22:01-23:00, Sat., 18 Jun. 0.0293 0.0248 0.0273
21:01-22:00, Sat., 18 Jun. 0.0318 0.0267 0.0290
20:01-21:00, Sat., 18 Jun. 0.0330 0.0286 0.0303
19:01-20:00, Sat., 18 Jun. 0.0312 0.0273 0.0296
18:01-19:00, Sat., 18 Jun. 0.0304 0.0258 0.0278
17:01-18:00, Sat., 18 Jun. 0.0283 0.0247 0.0263
16:01-17:00, Sat., 18 Jun. 0.0279 0.0243 0.0262
15:01-16:00, Sat., 18 Jun. 0.0280 0.0245 0.0263
14:01-15:00, Sat., 18 Jun. 0.0283 0.0243 0.0265
13:01-14:00, Sat., 18 Jun. 0.0279 0.0249 0.0265
12:01-13:00, Sat., 18 Jun. 0.0294 0.0244 0.0274
11:01-12:00, Sat., 18 Jun. 0.0300 0.0260 0.0279
10:01-11:00, Sat., 18 Jun. 0.0310 0.0261 0.0284
09:01-10:00, Sat., 18 Jun. 0.0301 0.0263 0.0284
08:01-09:00, Sat., 18 Jun. 0.0309 0.0275 0.0290
07:01-08:00, Sat., 18 Jun. 0.0314 0.0270 0.0292
06:01-07:00, Sat., 18 Jun. 0.0318 0.0281 0.0300
05:01-06:00, Sat., 18 Jun. 0.0323 0.0284 0.0302
04:01-05:00, Sat., 18 Jun. 0.0321 0.0280 0.0300
03:01-04:00, Sat., 18 Jun. 0.0307 0.0262 0.0290
02:01-03:00, Sat., 18 Jun. 0.0301 0.0264 0.0282
01:01-02:00, Sat., 18 Jun. 0.0303 0.0264 0.0284
00:01-01:00, Sat., 18 Jun. 0.0301 0.0262 0.0282
23:01-24:00, Fri., 17 Jun. 0.0299 0.0257 0.0277
22:01-23:00, Fri., 17 Jun. 0.0287 0.0250 0.0272
21:01-22:00, Fri., 17 Jun. 0.0297 0.0250 0.0274
20:01-21:00, Fri., 17 Jun. 0.0292 0.0253 0.0272
19:01-20:00, Fri., 17 Jun. 0.0291 0.0248 0.0270
18:01-19:00, Fri., 17 Jun. 0.0289 0.0251 0.0273
17:01-18:00, Fri., 17 Jun. 0.0291 0.0255 0.0269
16:01-17:00, Fri., 17 Jun. 0.0284 0.0255 0.0270
15:01-16:00, Fri., 17 Jun. 0.0294 0.0256 0.0275
14:01-15:00, Fri., 17 Jun. 0.0301 0.0263 0.0277
13:01-14:00, Fri., 17 Jun. 0.0287 0.0248 0.0271
12:01-13:00, Fri., 17 Jun. 0.0295 0.0250 0.0276
11:01-12:00, Fri., 17 Jun. 0.0295 0.0256 0.0276
10:01-11:00, Fri., 17 Jun. 0.0298 0.0256 0.0277
09:01-10:00, Fri., 17 Jun. 0.0297 0.0256 0.0278
08:01-09:00, Fri., 17 Jun. 0.0297 0.0263 0.0279
07:01-08:00, Fri., 17 Jun. 0.0311 0.0270 0.0291
06:01-07:00, Fri., 17 Jun. 0.0319 0.0274 0.0298
05:01-06:00, Fri., 17 Jun. 0.0313 0.0276 0.0293
04:01-05:00, Fri., 17 Jun. 0.0315 0.0271 0.0291
03:01-04:00, Fri., 17 Jun. 0.0307 0.0264 0.0287
02:01-03:00, Fri., 17 Jun. 0.0305 0.0266 0.0281
01:01-02:00, Fri., 17 Jun. 0.0295 0.0256 0.0274
00:01-01:00, Fri., 17 Jun. 0.0294 0.0252 0.0272
23:01-24:00, Thu., 16 Jun. 0.0288 0.0247 0.0270
22:01-23:00, Thu., 16 Jun. 0.0282 0.0246 0.0265
21:01-22:00, Thu., 16 Jun. 0.0283 0.0246 0.0266
20:01-21:00, Thu., 16 Jun. 0.0286 0.0242 0.0267
19:01-20:00, Thu., 16 Jun. 0.0282 0.0245 0.0265
18:01-19:00, Thu., 16 Jun. 0.0285 0.0251 0.0267
17:01-18:00, Thu., 16 Jun. 0.0284 0.0245 0.0265
16:01-17:00, Thu., 16 Jun. 0.0288 0.0243 0.0266
15:01-16:00, Thu., 16 Jun. 0.0283 0.0248 0.0265
14:01-15:00, Thu., 16 Jun. 0.0286 0.0249 0.0264
13:01-14:00, Thu., 16 Jun. 0.0279 0.0248 0.0264
12:01-13:00, Thu., 16 Jun. 0.0285 0.0248 0.0263
11:01-12:00, Thu., 16 Jun. 0.0279 0.0248 0.0261
10:01-11:00, Thu., 16 Jun. 0.0289 0.0245 0.0263
09:01-10:00, Thu., 16 Jun. 0.0284 0.0245 0.0264
08:01-09:00, Thu., 16 Jun. 0.0283 0.0250 0.0263
07:01-08:00, Thu., 16 Jun. 0.0288 0.0249 0.0264
06:01-07:00, Thu., 16 Jun. 0.0287 0.0247 0.0262
05:01-06:00, Thu., 16 Jun. 0.0284 0.0246 0.0265
04:01-05:00, Thu., 16 Jun. 0.0290 0.0247 0.0266
03:01-04:00, Thu., 16 Jun. 0.0282 0.0239 0.0263
02:01-03:00, Thu., 16 Jun. 0.0297 0.0245 0.0265
01:01-02:00, Thu., 16 Jun. 0.0283 0.0246 0.0264
00:01-01:00, Thu., 16 Jun. 0.0277 0.0245 0.0262
23:01-24:00, Wed., 15 Jun. 0.0284 0.0249 0.0263
22:01-23:00, Wed., 15 Jun. 0.0284 0.0232 0.0263
21:01-22:00, Wed., 15 Jun. 0.0280 0.0249 0.0263
20:01-21:00, Wed., 15 Jun. 0.0287 0.0241 0.0263
19:01-20:00, Wed., 15 Jun. 0.0283 0.0246 0.0263
18:01-19:00, Wed., 15 Jun. 0.0275 0.0243 0.0260
17:01-18:00, Wed., 15 Jun. 0.0284 0.0247 0.0265
16:01-17:00, Wed., 15 Jun. 0.0275 0.0245 0.0263
15:01-16:00, Wed., 15 Jun. 0.0277 0.0238 0.0259
14:01-15:00, Wed., 15 Jun. 0.0282 0.0249 0.0264
13:01-14:00, Wed., 15 Jun. 0.0290 0.0250 0.0271
12:01-13:00, Wed., 15 Jun. 0.0294 0.0264 0.0279
11:01-12:00, Wed., 15 Jun. 0.0296 0.0254 0.0278
10:01-11:00, Wed., 15 Jun. 0.0291 0.0251 0.0273
09:01-10:00, Wed., 15 Jun. 0.0300 0.0257 0.0275
08:01-09:00, Wed., 15 Jun. 0.0310 0.0263 0.0289
07:01-08:00, Wed., 15 Jun. 0.0319 0.0280 0.0300
06:01-07:00, Wed., 15 Jun. 0.0345 0.0306 0.0329
05:01-06:00, Wed., 15 Jun. 0.0347 0.0297 0.0320
04:01-05:00, Wed., 15 Jun. 0.0318 0.0263 0.0293
03:01-04:00, Wed., 15 Jun. 0.0294 0.0248 0.0273
02:01-03:00, Wed., 15 Jun. 0.0307 0.0263 0.0281
01:01-02:00, Wed., 15 Jun. 0.0346 0.0281 0.0318
00:01-01:00, Wed., 15 Jun. 0.0340 0.0272 0.0304
23:01-24:00, Tue., 14 Jun. 0.0336 0.0267 0.0302
22:01-23:00, Tue., 14 Jun. 0.0370 0.0322 0.0346
21:01-22:00, Tue., 14 Jun. 0.0345 0.0273 0.0311
20:01-21:00, Tue., 14 Jun. 0.0316 0.0273 0.0292
19:01-20:00, Tue., 14 Jun. 0.0312 0.0282 0.0297
18:01-19:00, Tue., 14 Jun. 0.0334 0.0293 0.0312
17:01-18:00, Tue., 14 Jun. 0.0354 0.0316 0.0335
16:01-17:00, Tue., 14 Jun. 0.0349 0.0272 0.0309
15:01-16:00, Tue., 14 Jun. 0.0308 0.0254 0.0277
14:01-15:00, Tue., 14 Jun. 0.0287 0.0250 0.0270
13:01-14:00, Tue., 14 Jun. 0.0298 0.0249 0.0275
12:01-13:00, Tue., 14 Jun. 0.0301 0.0261 0.0281
11:01-12:00, Tue., 14 Jun. 0.0296 0.0259 0.0279
10:01-11:00, Tue., 14 Jun. 0.0294 0.0257 0.0276
09:01-10:00, Tue., 14 Jun. 0.0296 0.0254 0.0274
08:01-09:00, Tue., 14 Jun. 0.0285 0.0252 0.0267
07:01-08:00, Tue., 14 Jun. 0.0285 0.0252 0.0267
06:01-07:00, Tue., 14 Jun. 0.0284 0.0247 0.0266
05:01-06:00, Tue., 14 Jun. 0.0295 0.0247 0.0267
04:01-05:00, Tue., 14 Jun. 0.0291 0.0249 0.0269
03:01-04:00, Tue., 14 Jun. 0.0288 0.0251 0.0269
02:01-03:00, Tue., 14 Jun. 0.0283 0.0248 0.0269
01:01-02:00, Tue., 14 Jun. 0.0288 0.0248 0.0269
00:01-01:00, Tue., 14 Jun. 0.0286 0.0243 0.0266
23:01-24:00, Mon., 13 Jun. 0.0285 0.0251 0.0269
22:01-23:00, Mon., 13 Jun. 0.0282 0.0241 0.0267
21:01-22:00, Mon., 13 Jun. 0.0292 0.0245 0.0267
20:01-21:00, Mon., 13 Jun. 0.0292 0.0247 0.0266
19:01-20:00, Mon., 13 Jun. 0.0288 0.0243 0.0267
18:01-19:00, Mon., 13 Jun. 0.0287 0.0251 0.0270
17:01-18:00, Mon., 13 Jun. 0.0283 0.0247 0.0267
16:01-17:00, Mon., 13 Jun. 0.0291 0.0247 0.0268
15:01-16:00, Mon., 13 Jun. 0.0284 0.0247 0.0267
14:01-15:00, Mon., 13 Jun. 0.0296 0.0251 0.0269
13:01-14:00, Mon., 13 Jun. 0.0281 0.0250 0.0268
12:01-13:00, Mon., 13 Jun. 0.0281 0.0248 0.0268
11:01-12:00, Mon., 13 Jun. 0.0286 0.0251 0.0268
10:01-11:00, Mon., 13 Jun. 0.0288 0.0247 0.0269
09:01-10:00, Mon., 13 Jun. 0.0290 0.0250 0.0269
08:01-09:00, Mon., 13 Jun. 0.0286 0.0239 0.0271
07:01-08:00, Mon., 13 Jun. 0.0284 0.0247 0.0268
06:01-07:00, Mon., 13 Jun. 0.0301 0.0253 0.0271
05:01-06:00, Mon., 13 Jun. 0.0295 0.0253 0.0275
04:01-05:00, Mon., 13 Jun. 0.0296 0.0256 0.0278
03:01-04:00, Mon., 13 Jun. 0.0296 0.0262 0.0277
02:01-03:00, Mon., 13 Jun. 0.0300 0.0260 0.0277
01:01-02:00, Mon., 13 Jun. 0.0292 0.0254 0.0272
00:01-01:00, Mon., 13 Jun. 0.0289 0.0240 0.0268