Measurement results by the hour (Chofu) 16 Aug., 2021 - 22 Aug., 2021

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., 22 Aug. 0.0294 0.0256 0.0276
22:01-23:00, Sun., 22 Aug. 0.0292 0.0252 0.0273
21:01-22:00, Sun., 22 Aug. 0.0292 0.0254 0.0272
20:01-21:00, Sun., 22 Aug. 0.0301 0.0255 0.0272
19:01-20:00, Sun., 22 Aug. 0.0294 0.0252 0.0272
18:01-19:00, Sun., 22 Aug. 0.0292 0.0251 0.0270
17:01-18:00, Sun., 22 Aug. 0.0284 0.0253 0.0271
16:01-17:00, Sun., 22 Aug. 0.0289 0.0256 0.0269
15:01-16:00, Sun., 22 Aug. 0.0289 0.0255 0.0271
14:01-15:00, Sun., 22 Aug. 0.0293 0.0253 0.0271
13:01-14:00, Sun., 22 Aug. 0.0296 0.0257 0.0272
12:01-13:00, Sun., 22 Aug. 0.0287 0.0256 0.0268
11:01-12:00, Sun., 22 Aug. 0.0290 0.0250 0.0270
10:01-11:00, Sun., 22 Aug. 0.0297 0.0247 0.0269
09:01-10:00, Sun., 22 Aug. 0.0290 0.0256 0.0274
08:01-09:00, Sun., 22 Aug. 0.0308 0.0265 0.0283
07:01-08:00, Sun., 22 Aug. 0.0300 0.0259 0.0282
06:01-07:00, Sun., 22 Aug. 0.0296 0.0256 0.0277
05:01-06:00, Sun., 22 Aug. 0.0288 0.0252 0.0270
04:01-05:00, Sun., 22 Aug. 0.0303 0.0252 0.0274
03:01-04:00, Sun., 22 Aug. 0.0287 0.0250 0.0272
02:01-03:00, Sun., 22 Aug. 0.0291 0.0252 0.0269
01:01-02:00, Sun., 22 Aug. 0.0290 0.0252 0.0269
00:01-01:00, Sun., 22 Aug. 0.0293 0.0249 0.0270
23:01-24:00, Sat., 21 Aug. 0.0292 0.0251 0.0270
22:01-23:00, Sat., 21 Aug. 0.0293 0.0250 0.0270
21:01-22:00, Sat., 21 Aug. 0.0284 0.0251 0.0267
20:01-21:00, Sat., 21 Aug. 0.0291 0.0249 0.0269
19:01-20:00, Sat., 21 Aug. 0.0285 0.0254 0.0267
18:01-19:00, Sat., 21 Aug. 0.0288 0.0247 0.0269
17:01-18:00, Sat., 21 Aug. 0.0291 0.0252 0.0269
16:01-17:00, Sat., 21 Aug. 0.0292 0.0248 0.0268
15:01-16:00, Sat., 21 Aug. 0.0287 0.0243 0.0268
14:01-15:00, Sat., 21 Aug. 0.0280 0.0239 0.0265
13:01-14:00, Sat., 21 Aug. 0.0285 0.0251 0.0270
12:01-13:00, Sat., 21 Aug. 0.0294 0.0252 0.0276
11:01-12:00, Sat., 21 Aug. 0.0298 0.0256 0.0273
10:01-11:00, Sat., 21 Aug. 0.0294 0.0253 0.0277
09:01-10:00, Sat., 21 Aug. 0.0299 0.0252 0.0275
08:01-09:00, Sat., 21 Aug. 0.0291 0.0252 0.0274
07:01-08:00, Sat., 21 Aug. 0.0298 0.0258 0.0276
06:01-07:00, Sat., 21 Aug. 0.0301 0.0259 0.0279
05:01-06:00, Sat., 21 Aug. 0.0293 0.0250 0.0272
04:01-05:00, Sat., 21 Aug. 0.0286 0.0252 0.0269
03:01-04:00, Sat., 21 Aug. 0.0285 0.0253 0.0268
02:01-03:00, Sat., 21 Aug. 0.0288 0.0247 0.0267
01:01-02:00, Sat., 21 Aug. 0.0282 0.0251 0.0267
00:01-01:00, Sat., 21 Aug. 0.0291 0.0251 0.0268
23:01-24:00, Fri., 20 Aug. 0.0287 0.0250 0.0268
22:01-23:00, Fri., 20 Aug. 0.0292 0.0242 0.0266
21:01-22:00, Fri., 20 Aug. 0.0285 0.0247 0.0266
20:01-21:00, Fri., 20 Aug. 0.0276 0.0250 0.0264
19:01-20:00, Fri., 20 Aug. 0.0280 0.0237 0.0264
18:01-19:00, Fri., 20 Aug. 0.0283 0.0248 0.0265
17:01-18:00, Fri., 20 Aug. 0.0285 0.0251 0.0266
16:01-17:00, Fri., 20 Aug. 0.0287 0.0250 0.0267
15:01-16:00, Fri., 20 Aug. 0.0284 0.0250 0.0266
14:01-15:00, Fri., 20 Aug. 0.0287 0.0237 0.0266
13:01-14:00, Fri., 20 Aug. 0.0287 0.0247 0.0265
12:01-13:00, Fri., 20 Aug. 0.0288 0.0244 0.0264
11:01-12:00, Fri., 20 Aug. 0.0279 0.0245 0.0263
10:01-11:00, Fri., 20 Aug. 0.0285 0.0246 0.0264
09:01-10:00, Fri., 20 Aug. 0.0287 0.0244 0.0266
08:01-09:00, Fri., 20 Aug. 0.0296 0.0256 0.0276
07:01-08:00, Fri., 20 Aug. 0.0295 0.0261 0.0280
06:01-07:00, Fri., 20 Aug. 0.0291 0.0254 0.0272
05:01-06:00, Fri., 20 Aug. 0.0290 0.0239 0.0262
04:01-05:00, Fri., 20 Aug. 0.0284 0.0247 0.0263
03:01-04:00, Fri., 20 Aug. 0.0285 0.0246 0.0264
02:01-03:00, Fri., 20 Aug. 0.0281 0.0249 0.0265
01:01-02:00, Fri., 20 Aug. 0.0294 0.0243 0.0263
00:01-01:00, Fri., 20 Aug. 0.0284 0.0248 0.0264
23:01-24:00, Thu., 19 Aug. 0.0279 0.0248 0.0265
22:01-23:00, Thu., 19 Aug. 0.0290 0.0244 0.0265
21:01-22:00, Thu., 19 Aug. 0.0285 0.0244 0.0262
20:01-21:00, Thu., 19 Aug. 0.0286 0.0245 0.0264
19:01-20:00, Thu., 19 Aug. 0.0282 0.0242 0.0263
18:01-19:00, Thu., 19 Aug. 0.0290 0.0239 0.0261
17:01-18:00, Thu., 19 Aug. 0.0276 0.0243 0.0261
16:01-17:00, Thu., 19 Aug. 0.0282 0.0243 0.0264
15:01-16:00, Thu., 19 Aug. 0.0286 0.0243 0.0263
14:01-15:00, Thu., 19 Aug. 0.0281 0.0237 0.0261
13:01-14:00, Thu., 19 Aug. 0.0283 0.0239 0.0260
12:01-13:00, Thu., 19 Aug. 0.0274 0.0245 0.0259
11:01-12:00, Thu., 19 Aug. 0.0281 0.0243 0.0260
10:01-11:00, Thu., 19 Aug. 0.0283 0.0243 0.0260
09:01-10:00, Thu., 19 Aug. 0.0280 0.0243 0.0259
08:01-09:00, Thu., 19 Aug. 0.0284 0.0239 0.0262
07:01-08:00, Thu., 19 Aug. 0.0277 0.0241 0.0258
06:01-07:00, Thu., 19 Aug. 0.0277 0.0240 0.0259
05:01-06:00, Thu., 19 Aug. 0.0273 0.0243 0.0258
04:01-05:00, Thu., 19 Aug. 0.0279 0.0235 0.0258
03:01-04:00, Thu., 19 Aug. 0.0278 0.0241 0.0258
02:01-03:00, Thu., 19 Aug. 0.0275 0.0234 0.0259
01:01-02:00, Thu., 19 Aug. 0.0276 0.0238 0.0256
00:01-01:00, Thu., 19 Aug. 0.0278 0.0242 0.0261
23:01-24:00, Wed., 18 Aug. 0.0281 0.0240 0.0259
22:01-23:00, Wed., 18 Aug. 0.0281 0.0232 0.0259
21:01-22:00, Wed., 18 Aug. 0.0273 0.0238 0.0259
20:01-21:00, Wed., 18 Aug. 0.0279 0.0238 0.0259
19:01-20:00, Wed., 18 Aug. 0.0272 0.0241 0.0259
18:01-19:00, Wed., 18 Aug. 0.0275 0.0242 0.0259
17:01-18:00, Wed., 18 Aug. 0.0275 0.0245 0.0260
16:01-17:00, Wed., 18 Aug. 0.0277 0.0238 0.0258
15:01-16:00, Wed., 18 Aug. 0.0278 0.0239 0.0256
14:01-15:00, Wed., 18 Aug. 0.0277 0.0236 0.0257
13:01-14:00, Wed., 18 Aug. 0.0279 0.0243 0.0258
12:01-13:00, Wed., 18 Aug. 0.0281 0.0241 0.0259
11:01-12:00, Wed., 18 Aug. 0.0280 0.0243 0.0260
10:01-11:00, Wed., 18 Aug. 0.0279 0.0239 0.0258
09:01-10:00, Wed., 18 Aug. 0.0271 0.0241 0.0258
08:01-09:00, Wed., 18 Aug. 0.0276 0.0238 0.0256
07:01-08:00, Wed., 18 Aug. 0.0273 0.0239 0.0256
06:01-07:00, Wed., 18 Aug. 0.0277 0.0236 0.0256
05:01-06:00, Wed., 18 Aug. 0.0273 0.0230 0.0255
04:01-05:00, Wed., 18 Aug. 0.0273 0.0231 0.0255
03:01-04:00, Wed., 18 Aug. 0.0270 0.0232 0.0253
02:01-03:00, Wed., 18 Aug. 0.0272 0.0235 0.0254
01:01-02:00, Wed., 18 Aug. 0.0277 0.0238 0.0254
00:01-01:00, Wed., 18 Aug. 0.0270 0.0235 0.0251
23:01-24:00, Tue., 17 Aug. 0.0269 0.0231 0.0254
22:01-23:00, Tue., 17 Aug. 0.0276 0.0238 0.0255
21:01-22:00, Tue., 17 Aug. 0.0271 0.0237 0.0255
20:01-21:00, Tue., 17 Aug. 0.0276 0.0236 0.0255
19:01-20:00, Tue., 17 Aug. 0.0272 0.0234 0.0257
18:01-19:00, Tue., 17 Aug. 0.0271 0.0239 0.0254
17:01-18:00, Tue., 17 Aug. 0.0276 0.0237 0.0257
16:01-17:00, Tue., 17 Aug. 0.0278 0.0239 0.0257
15:01-16:00, Tue., 17 Aug. 0.0281 0.0237 0.0260
14:01-15:00, Tue., 17 Aug. 0.0285 0.0247 0.0264
13:01-14:00, Tue., 17 Aug. 0.0279 0.0244 0.0262
12:01-13:00, Tue., 17 Aug. 0.0295 0.0250 0.0266
11:01-12:00, Tue., 17 Aug. 0.0298 0.0253 0.0273
10:01-11:00, Tue., 17 Aug. 0.0287 0.0240 0.0270
09:01-10:00, Tue., 17 Aug. 0.0285 0.0245 0.0267
08:01-09:00, Tue., 17 Aug. 0.0276 0.0237 0.0260
07:01-08:00, Tue., 17 Aug. 0.0286 0.0243 0.0261
06:01-07:00, Tue., 17 Aug. 0.0290 0.0242 0.0263
05:01-06:00, Tue., 17 Aug. 0.0281 0.0246 0.0264
04:01-05:00, Tue., 17 Aug. 0.0282 0.0249 0.0268
03:01-04:00, Tue., 17 Aug. 0.0284 0.0254 0.0270
02:01-03:00, Tue., 17 Aug. 0.0296 0.0254 0.0269
01:01-02:00, Tue., 17 Aug. 0.0286 0.0250 0.0267
00:01-01:00, Tue., 17 Aug. 0.0286 0.0242 0.0262
23:01-24:00, Mon., 16 Aug. 0.0280 0.0240 0.0260
22:01-23:00, Mon., 16 Aug. 0.0280 0.0243 0.0256
21:01-22:00, Mon., 16 Aug. 0.0279 0.0238 0.0256
20:01-21:00, Mon., 16 Aug. 0.0278 0.0239 0.0257
19:01-20:00, Mon., 16 Aug. 0.0279 0.0245 0.0261
18:01-19:00, Mon., 16 Aug. 0.0284 0.0240 0.0258
17:01-18:00, Mon., 16 Aug. 0.0286 0.0244 0.0261
16:01-17:00, Mon., 16 Aug. 0.0289 0.0244 0.0271
15:01-16:00, Mon., 16 Aug. 0.0335 0.0273 0.0298
14:01-15:00, Mon., 16 Aug. 0.0339 0.0288 0.0313
13:01-14:00, Mon., 16 Aug. 0.0309 0.0262 0.0286
12:01-13:00, Mon., 16 Aug. 0.0294 0.0235 0.0265
11:01-12:00, Mon., 16 Aug. 0.0291 0.0246 0.0260
10:01-11:00, Mon., 16 Aug. 0.0285 0.0248 0.0263
09:01-10:00, Mon., 16 Aug. 0.0283 0.0240 0.0264
08:01-09:00, Mon., 16 Aug. 0.0277 0.0244 0.0262
07:01-08:00, Mon., 16 Aug. 0.0285 0.0252 0.0267
06:01-07:00, Mon., 16 Aug. 0.0302 0.0257 0.0280
05:01-06:00, Mon., 16 Aug. 0.0310 0.0269 0.0289
04:01-05:00, Mon., 16 Aug. 0.0299 0.0252 0.0276
03:01-04:00, Mon., 16 Aug. 0.0296 0.0251 0.0268
02:01-03:00, Mon., 16 Aug. 0.0287 0.0249 0.0270
01:01-02:00, Mon., 16 Aug. 0.0303 0.0268 0.0283
00:01-01:00, Mon., 16 Aug. 0.0298 0.0253 0.0276