Measurement results by the hour (Chofu) 25 Jul., 2022 - 31 Jul., 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., 31 Jul. 0.0304 0.0256 0.0281
22:01-23:00, Sun., 31 Jul. 0.0299 0.0259 0.0281
21:01-22:00, Sun., 31 Jul. 0.0294 0.0257 0.0275
20:01-21:00, Sun., 31 Jul. 0.0297 0.0258 0.0276
19:01-20:00, Sun., 31 Jul. 0.0298 0.0258 0.0276
18:01-19:00, Sun., 31 Jul. 0.0296 0.0259 0.0277
17:01-18:00, Sun., 31 Jul. 0.0302 0.0261 0.0281
16:01-17:00, Sun., 31 Jul. 0.0295 0.0258 0.0276
15:01-16:00, Sun., 31 Jul. 0.0299 0.0258 0.0276
14:01-15:00, Sun., 31 Jul. 0.0290 0.0260 0.0275
13:01-14:00, Sun., 31 Jul. 0.0298 0.0255 0.0277
12:01-13:00, Sun., 31 Jul. 0.0302 0.0262 0.0282
11:01-12:00, Sun., 31 Jul. 0.0303 0.0261 0.0284
10:01-11:00, Sun., 31 Jul. 0.0301 0.0263 0.0283
09:01-10:00, Sun., 31 Jul. 0.0298 0.0263 0.0282
08:01-09:00, Sun., 31 Jul. 0.0310 0.0275 0.0289
07:01-08:00, Sun., 31 Jul. 0.0320 0.0276 0.0301
06:01-07:00, Sun., 31 Jul. 0.0323 0.0287 0.0305
05:01-06:00, Sun., 31 Jul. 0.0325 0.0283 0.0303
04:01-05:00, Sun., 31 Jul. 0.0327 0.0280 0.0299
03:01-04:00, Sun., 31 Jul. 0.0317 0.0270 0.0290
02:01-03:00, Sun., 31 Jul. 0.0303 0.0271 0.0287
01:01-02:00, Sun., 31 Jul. 0.0304 0.0268 0.0283
00:01-01:00, Sun., 31 Jul. 0.0304 0.0262 0.0280
23:01-24:00, Sat., 30 Jul. 0.0308 0.0262 0.0280
22:01-23:00, Sat., 30 Jul. 0.0301 0.0265 0.0280
21:01-22:00, Sat., 30 Jul. 0.0289 0.0246 0.0270
20:01-21:00, Sat., 30 Jul. 0.0291 0.0255 0.0270
19:01-20:00, Sat., 30 Jul. 0.0285 0.0256 0.0272
18:01-19:00, Sat., 30 Jul. 0.0283 0.0251 0.0270
17:01-18:00, Sat., 30 Jul. 0.0289 0.0255 0.0271
16:01-17:00, Sat., 30 Jul. 0.0286 0.0254 0.0268
15:01-16:00, Sat., 30 Jul. 0.0285 0.0247 0.0266
14:01-15:00, Sat., 30 Jul. 0.0293 0.0247 0.0269
13:01-14:00, Sat., 30 Jul. 0.0286 0.0254 0.0271
12:01-13:00, Sat., 30 Jul. 0.0294 0.0246 0.0271
11:01-12:00, Sat., 30 Jul. 0.0288 0.0249 0.0267
10:01-11:00, Sat., 30 Jul. 0.0291 0.0253 0.0270
09:01-10:00, Sat., 30 Jul. 0.0300 0.0259 0.0274
08:01-09:00, Sat., 30 Jul. 0.0290 0.0253 0.0274
07:01-08:00, Sat., 30 Jul. 0.0297 0.0253 0.0275
06:01-07:00, Sat., 30 Jul. 0.0297 0.0254 0.0278
05:01-06:00, Sat., 30 Jul. 0.0307 0.0268 0.0285
04:01-05:00, Sat., 30 Jul. 0.0296 0.0255 0.0274
03:01-04:00, Sat., 30 Jul. 0.0289 0.0249 0.0272
02:01-03:00, Sat., 30 Jul. 0.0288 0.0256 0.0274
01:01-02:00, Sat., 30 Jul. 0.0295 0.0250 0.0270
00:01-01:00, Sat., 30 Jul. 0.0281 0.0251 0.0266
23:01-24:00, Fri., 29 Jul. 0.0285 0.0249 0.0268
22:01-23:00, Fri., 29 Jul. 0.0286 0.0245 0.0267
21:01-22:00, Fri., 29 Jul. 0.0293 0.0251 0.0267
20:01-21:00, Fri., 29 Jul. 0.0292 0.0244 0.0265
19:01-20:00, Fri., 29 Jul. 0.0285 0.0252 0.0269
18:01-19:00, Fri., 29 Jul. 0.0287 0.0250 0.0265
17:01-18:00, Fri., 29 Jul. 0.0287 0.0249 0.0267
16:01-17:00, Fri., 29 Jul. 0.0283 0.0250 0.0267
15:01-16:00, Fri., 29 Jul. 0.0278 0.0240 0.0265
14:01-15:00, Fri., 29 Jul. 0.0289 0.0248 0.0266
13:01-14:00, Fri., 29 Jul. 0.0280 0.0246 0.0264
12:01-13:00, Fri., 29 Jul. 0.0285 0.0244 0.0265
11:01-12:00, Fri., 29 Jul. 0.0288 0.0250 0.0266
10:01-11:00, Fri., 29 Jul. 0.0284 0.0249 0.0267
09:01-10:00, Fri., 29 Jul. 0.0289 0.0257 0.0271
08:01-09:00, Fri., 29 Jul. 0.0285 0.0256 0.0271
07:01-08:00, Fri., 29 Jul. 0.0289 0.0253 0.0271
06:01-07:00, Fri., 29 Jul. 0.0294 0.0252 0.0276
05:01-06:00, Fri., 29 Jul. 0.0307 0.0255 0.0280
04:01-05:00, Fri., 29 Jul. 0.0306 0.0259 0.0279
03:01-04:00, Fri., 29 Jul. 0.0295 0.0258 0.0271
02:01-03:00, Fri., 29 Jul. 0.0289 0.0251 0.0268
01:01-02:00, Fri., 29 Jul. 0.0287 0.0254 0.0270
00:01-01:00, Fri., 29 Jul. 0.0284 0.0241 0.0264
23:01-24:00, Thu., 28 Jul. 0.0299 0.0251 0.0268
22:01-23:00, Thu., 28 Jul. 0.0305 0.0253 0.0282
21:01-22:00, Thu., 28 Jul. 0.0344 0.0287 0.0319
20:01-21:00, Thu., 28 Jul. 0.0320 0.0257 0.0286
19:01-20:00, Thu., 28 Jul. 0.0300 0.0245 0.0277
18:01-19:00, Thu., 28 Jul. 0.0279 0.0250 0.0262
17:01-18:00, Thu., 28 Jul. 0.0278 0.0247 0.0266
16:01-17:00, Thu., 28 Jul. 0.0282 0.0249 0.0266
15:01-16:00, Thu., 28 Jul. 0.0281 0.0247 0.0265
14:01-15:00, Thu., 28 Jul. 0.0291 0.0246 0.0264
13:01-14:00, Thu., 28 Jul. 0.0282 0.0245 0.0262
12:01-13:00, Thu., 28 Jul. 0.0281 0.0242 0.0265
11:01-12:00, Thu., 28 Jul. 0.0288 0.0247 0.0264
10:01-11:00, Thu., 28 Jul. 0.0285 0.0246 0.0262
09:01-10:00, Thu., 28 Jul. 0.0283 0.0241 0.0265
08:01-09:00, Thu., 28 Jul. 0.0277 0.0249 0.0265
07:01-08:00, Thu., 28 Jul. 0.0289 0.0243 0.0264
06:01-07:00, Thu., 28 Jul. 0.0287 0.0245 0.0264
05:01-06:00, Thu., 28 Jul. 0.0281 0.0242 0.0264
04:01-05:00, Thu., 28 Jul. 0.0281 0.0237 0.0262
03:01-04:00, Thu., 28 Jul. 0.0288 0.0244 0.0266
02:01-03:00, Thu., 28 Jul. 0.0283 0.0246 0.0263
01:01-02:00, Thu., 28 Jul. 0.0291 0.0246 0.0264
00:01-01:00, Thu., 28 Jul. 0.0286 0.0247 0.0263
23:01-24:00, Wed., 27 Jul. 0.0280 0.0247 0.0261
22:01-23:00, Wed., 27 Jul. 0.0285 0.0244 0.0263
21:01-22:00, Wed., 27 Jul. 0.0285 0.0240 0.0263
20:01-21:00, Wed., 27 Jul. 0.0278 0.0245 0.0260
19:01-20:00, Wed., 27 Jul. 0.0279 0.0247 0.0261
18:01-19:00, Wed., 27 Jul. 0.0277 0.0243 0.0261
17:01-18:00, Wed., 27 Jul. 0.0285 0.0247 0.0263
16:01-17:00, Wed., 27 Jul. 0.0282 0.0242 0.0261
15:01-16:00, Wed., 27 Jul. 0.0279 0.0241 0.0260
14:01-15:00, Wed., 27 Jul. 0.0281 0.0244 0.0263
13:01-14:00, Wed., 27 Jul. 0.0285 0.0243 0.0259
12:01-13:00, Wed., 27 Jul. 0.0276 0.0246 0.0259
11:01-12:00, Wed., 27 Jul. 0.0293 0.0238 0.0260
10:01-11:00, Wed., 27 Jul. 0.0274 0.0242 0.0259
09:01-10:00, Wed., 27 Jul. 0.0279 0.0241 0.0261
08:01-09:00, Wed., 27 Jul. 0.0278 0.0239 0.0259
07:01-08:00, Wed., 27 Jul. 0.0274 0.0242 0.0259
06:01-07:00, Wed., 27 Jul. 0.0287 0.0236 0.0261
05:01-06:00, Wed., 27 Jul. 0.0280 0.0245 0.0260
04:01-05:00, Wed., 27 Jul. 0.0276 0.0240 0.0259
03:01-04:00, Wed., 27 Jul. 0.0281 0.0242 0.0259
02:01-03:00, Wed., 27 Jul. 0.0276 0.0241 0.0259
01:01-02:00, Wed., 27 Jul. 0.0278 0.0240 0.0258
00:01-01:00, Wed., 27 Jul. 0.0280 0.0246 0.0260
23:01-24:00, Tue., 26 Jul. 0.0273 0.0240 0.0258
22:01-23:00, Tue., 26 Jul. 0.0272 0.0243 0.0258
21:01-22:00, Tue., 26 Jul. 0.0272 0.0244 0.0259
20:01-21:00, Tue., 26 Jul. 0.0275 0.0240 0.0259
19:01-20:00, Tue., 26 Jul. 0.0278 0.0238 0.0258
18:01-19:00, Tue., 26 Jul. 0.0277 0.0243 0.0259
17:01-18:00, Tue., 26 Jul. 0.0276 0.0240 0.0258
16:01-17:00, Tue., 26 Jul. 0.0273 0.0240 0.0256
15:01-16:00, Tue., 26 Jul. 0.0278 0.0240 0.0261
14:01-15:00, Tue., 26 Jul. 0.0312 0.0252 0.0279
13:01-14:00, Tue., 26 Jul. 0.0416 0.0285 0.0340
12:01-13:00, Tue., 26 Jul. 0.0469 0.0386 0.0432
11:01-12:00, Tue., 26 Jul. 0.0446 0.0339 0.0393
10:01-11:00, Tue., 26 Jul. 0.0373 0.0299 0.0350
09:01-10:00, Tue., 26 Jul. 0.0333 0.0280 0.0306
08:01-09:00, Tue., 26 Jul. 0.0310 0.0245 0.0273
07:01-08:00, Tue., 26 Jul. 0.0294 0.0251 0.0272
06:01-07:00, Tue., 26 Jul. 0.0313 0.0270 0.0285
05:01-06:00, Tue., 26 Jul. 0.0300 0.0258 0.0281
04:01-05:00, Tue., 26 Jul. 0.0296 0.0254 0.0275
03:01-04:00, Tue., 26 Jul. 0.0291 0.0255 0.0272
02:01-03:00, Tue., 26 Jul. 0.0296 0.0253 0.0272
01:01-02:00, Tue., 26 Jul. 0.0290 0.0252 0.0273
00:01-01:00, Tue., 26 Jul. 0.0288 0.0250 0.0273
23:01-24:00, Mon., 25 Jul. 0.0290 0.0259 0.0273
22:01-23:00, Mon., 25 Jul. 0.0298 0.0247 0.0277
21:01-22:00, Mon., 25 Jul. 0.0295 0.0257 0.0278
20:01-21:00, Mon., 25 Jul. 0.0292 0.0261 0.0277
19:01-20:00, Mon., 25 Jul. 0.0289 0.0257 0.0273
18:01-19:00, Mon., 25 Jul. 0.0290 0.0259 0.0274
17:01-18:00, Mon., 25 Jul. 0.0292 0.0257 0.0274
16:01-17:00, Mon., 25 Jul. 0.0301 0.0256 0.0276
15:01-16:00, Mon., 25 Jul. 0.0291 0.0257 0.0273
14:01-15:00, Mon., 25 Jul. 0.0299 0.0251 0.0273
13:01-14:00, Mon., 25 Jul. 0.0292 0.0256 0.0275
12:01-13:00, Mon., 25 Jul. 0.0311 0.0253 0.0278
11:01-12:00, Mon., 25 Jul. 0.0307 0.0258 0.0279
10:01-11:00, Mon., 25 Jul. 0.0295 0.0260 0.0279
09:01-10:00, Mon., 25 Jul. 0.0299 0.0261 0.0280
08:01-09:00, Mon., 25 Jul. 0.0296 0.0262 0.0281
07:01-08:00, Mon., 25 Jul. 0.0303 0.0258 0.0279
06:01-07:00, Mon., 25 Jul. 0.0302 0.0261 0.0279
05:01-06:00, Mon., 25 Jul. 0.0295 0.0266 0.0280
04:01-05:00, Mon., 25 Jul. 0.0301 0.0249 0.0279
03:01-04:00, Mon., 25 Jul. 0.0301 0.0263 0.0281
02:01-03:00, Mon., 25 Jul. 0.0303 0.0264 0.0280
01:01-02:00, Mon., 25 Jul. 0.0295 0.0248 0.0277
00:01-01:00, Mon., 25 Jul. 0.0294 0.0256 0.0277