Measurement results by the hour (Chofu) 15 Aug., 2022 - 21 Aug., 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., 21 Aug. 0.0295 0.0254 0.0271
22:01-23:00, Sun., 21 Aug. 0.0300 0.0250 0.0271
21:01-22:00, Sun., 21 Aug. 0.0305 0.0256 0.0276
20:01-21:00, Sun., 21 Aug. 0.0296 0.0254 0.0272
19:01-20:00, Sun., 21 Aug. 0.0297 0.0246 0.0271
18:01-19:00, Sun., 21 Aug. 0.0291 0.0254 0.0272
17:01-18:00, Sun., 21 Aug. 0.0292 0.0256 0.0273
16:01-17:00, Sun., 21 Aug. 0.0291 0.0249 0.0272
15:01-16:00, Sun., 21 Aug. 0.0296 0.0253 0.0275
14:01-15:00, Sun., 21 Aug. 0.0287 0.0259 0.0275
13:01-14:00, Sun., 21 Aug. 0.0294 0.0264 0.0277
12:01-13:00, Sun., 21 Aug. 0.0302 0.0257 0.0280
11:01-12:00, Sun., 21 Aug. 0.0299 0.0262 0.0282
10:01-11:00, Sun., 21 Aug. 0.0304 0.0265 0.0285
09:01-10:00, Sun., 21 Aug. 0.0305 0.0266 0.0285
08:01-09:00, Sun., 21 Aug. 0.0301 0.0266 0.0285
07:01-08:00, Sun., 21 Aug. 0.0296 0.0262 0.0281
06:01-07:00, Sun., 21 Aug. 0.0296 0.0264 0.0277
05:01-06:00, Sun., 21 Aug. 0.0297 0.0261 0.0276
04:01-05:00, Sun., 21 Aug. 0.0314 0.0265 0.0285
03:01-04:00, Sun., 21 Aug. 0.0302 0.0259 0.0283
02:01-03:00, Sun., 21 Aug. 0.0303 0.0269 0.0286
01:01-02:00, Sun., 21 Aug. 0.0348 0.0282 0.0309
00:01-01:00, Sun., 21 Aug. 0.0439 0.0326 0.0380
23:01-24:00, Sat., 20 Aug. 0.0444 0.0341 0.0382
22:01-23:00, Sat., 20 Aug. 0.0382 0.0307 0.0339
21:01-22:00, Sat., 20 Aug. 0.0435 0.0325 0.0369
20:01-21:00, Sat., 20 Aug. 0.0436 0.0366 0.0398
19:01-20:00, Sat., 20 Aug. 0.0407 0.0313 0.0362
18:01-19:00, Sat., 20 Aug. 0.0346 0.0275 0.0306
17:01-18:00, Sat., 20 Aug. 0.0312 0.0266 0.0294
16:01-17:00, Sat., 20 Aug. 0.0325 0.0273 0.0304
15:01-16:00, Sat., 20 Aug. 0.0317 0.0264 0.0294
14:01-15:00, Sat., 20 Aug. 0.0314 0.0265 0.0293
13:01-14:00, Sat., 20 Aug. 0.0317 0.0260 0.0282
12:01-13:00, Sat., 20 Aug. 0.0296 0.0255 0.0275
11:01-12:00, Sat., 20 Aug. 0.0292 0.0253 0.0276
10:01-11:00, Sat., 20 Aug. 0.0287 0.0252 0.0270
09:01-10:00, Sat., 20 Aug. 0.0292 0.0253 0.0273
08:01-09:00, Sat., 20 Aug. 0.0290 0.0250 0.0272
07:01-08:00, Sat., 20 Aug. 0.0293 0.0258 0.0275
06:01-07:00, Sat., 20 Aug. 0.0295 0.0258 0.0274
05:01-06:00, Sat., 20 Aug. 0.0296 0.0251 0.0274
04:01-05:00, Sat., 20 Aug. 0.0296 0.0255 0.0276
03:01-04:00, Sat., 20 Aug. 0.0298 0.0258 0.0276
02:01-03:00, Sat., 20 Aug. 0.0295 0.0259 0.0276
01:01-02:00, Sat., 20 Aug. 0.0287 0.0245 0.0269
00:01-01:00, Sat., 20 Aug. 0.0286 0.0243 0.0271
23:01-24:00, Fri., 19 Aug. 0.0286 0.0252 0.0267
22:01-23:00, Fri., 19 Aug. 0.0288 0.0253 0.0270
21:01-22:00, Fri., 19 Aug. 0.0289 0.0255 0.0268
20:01-21:00, Fri., 19 Aug. 0.0285 0.0250 0.0271
19:01-20:00, Fri., 19 Aug. 0.0284 0.0245 0.0268
18:01-19:00, Fri., 19 Aug. 0.0292 0.0247 0.0268
17:01-18:00, Fri., 19 Aug. 0.0290 0.0251 0.0268
16:01-17:00, Fri., 19 Aug. 0.0288 0.0252 0.0269
15:01-16:00, Fri., 19 Aug. 0.0296 0.0254 0.0270
14:01-15:00, Fri., 19 Aug. 0.0290 0.0249 0.0271
13:01-14:00, Fri., 19 Aug. 0.0289 0.0255 0.0272
12:01-13:00, Fri., 19 Aug. 0.0292 0.0250 0.0271
11:01-12:00, Fri., 19 Aug. 0.0294 0.0256 0.0274
10:01-11:00, Fri., 19 Aug. 0.0304 0.0255 0.0275
09:01-10:00, Fri., 19 Aug. 0.0306 0.0249 0.0274
08:01-09:00, Fri., 19 Aug. 0.0293 0.0263 0.0276
07:01-08:00, Fri., 19 Aug. 0.0300 0.0256 0.0279
06:01-07:00, Fri., 19 Aug. 0.0300 0.0263 0.0280
05:01-06:00, Fri., 19 Aug. 0.0309 0.0268 0.0281
04:01-05:00, Fri., 19 Aug. 0.0300 0.0256 0.0277
03:01-04:00, Fri., 19 Aug. 0.0295 0.0254 0.0273
02:01-03:00, Fri., 19 Aug. 0.0296 0.0252 0.0275
01:01-02:00, Fri., 19 Aug. 0.0281 0.0247 0.0269
00:01-01:00, Fri., 19 Aug. 0.0289 0.0252 0.0270
23:01-24:00, Thu., 18 Aug. 0.0290 0.0247 0.0269
22:01-23:00, Thu., 18 Aug. 0.0287 0.0248 0.0269
21:01-22:00, Thu., 18 Aug. 0.0293 0.0250 0.0268
20:01-21:00, Thu., 18 Aug. 0.0284 0.0254 0.0268
19:01-20:00, Thu., 18 Aug. 0.0292 0.0245 0.0268
18:01-19:00, Thu., 18 Aug. 0.0290 0.0253 0.0270
17:01-18:00, Thu., 18 Aug. 0.0286 0.0243 0.0264
16:01-17:00, Thu., 18 Aug. 0.0283 0.0247 0.0264
15:01-16:00, Thu., 18 Aug. 0.0286 0.0238 0.0264
14:01-15:00, Thu., 18 Aug. 0.0279 0.0244 0.0261
13:01-14:00, Thu., 18 Aug. 0.0280 0.0238 0.0258
12:01-13:00, Thu., 18 Aug. 0.0282 0.0245 0.0265
11:01-12:00, Thu., 18 Aug. 0.0347 0.0262 0.0293
10:01-11:00, Thu., 18 Aug. 0.0360 0.0309 0.0340
09:01-10:00, Thu., 18 Aug. 0.0365 0.0285 0.0340
08:01-09:00, Thu., 18 Aug. 0.0328 0.0265 0.0296
07:01-08:00, Thu., 18 Aug. 0.0317 0.0261 0.0287
06:01-07:00, Thu., 18 Aug. 0.0297 0.0262 0.0278
05:01-06:00, Thu., 18 Aug. 0.0306 0.0253 0.0275
04:01-05:00, Thu., 18 Aug. 0.0287 0.0258 0.0273
03:01-04:00, Thu., 18 Aug. 0.0295 0.0254 0.0272
02:01-03:00, Thu., 18 Aug. 0.0296 0.0255 0.0272
01:01-02:00, Thu., 18 Aug. 0.0298 0.0253 0.0273
00:01-01:00, Thu., 18 Aug. 0.0302 0.0255 0.0280
23:01-24:00, Wed., 17 Aug. 0.0312 0.0272 0.0294
22:01-23:00, Wed., 17 Aug. 0.0309 0.0256 0.0285
21:01-22:00, Wed., 17 Aug. 0.0305 0.0255 0.0276
20:01-21:00, Wed., 17 Aug. 0.0293 0.0255 0.0273
19:01-20:00, Wed., 17 Aug. 0.0295 0.0253 0.0274
18:01-19:00, Wed., 17 Aug. 0.0301 0.0260 0.0275
17:01-18:00, Wed., 17 Aug. 0.0311 0.0261 0.0286
16:01-17:00, Wed., 17 Aug. 0.0321 0.0283 0.0302
15:01-16:00, Wed., 17 Aug. 0.0313 0.0255 0.0279
14:01-15:00, Wed., 17 Aug. 0.0293 0.0263 0.0279
13:01-14:00, Wed., 17 Aug. 0.0290 0.0254 0.0276
12:01-13:00, Wed., 17 Aug. 0.0301 0.0256 0.0280
11:01-12:00, Wed., 17 Aug. 0.0307 0.0272 0.0290
10:01-11:00, Wed., 17 Aug. 0.0330 0.0291 0.0312
09:01-10:00, Wed., 17 Aug. 0.0330 0.0275 0.0303
08:01-09:00, Wed., 17 Aug. 0.0312 0.0273 0.0294
07:01-08:00, Wed., 17 Aug. 0.0313 0.0273 0.0289
06:01-07:00, Wed., 17 Aug. 0.0303 0.0262 0.0285
05:01-06:00, Wed., 17 Aug. 0.0306 0.0266 0.0283
04:01-05:00, Wed., 17 Aug. 0.0299 0.0258 0.0281
03:01-04:00, Wed., 17 Aug. 0.0305 0.0264 0.0279
02:01-03:00, Wed., 17 Aug. 0.0294 0.0261 0.0277
01:01-02:00, Wed., 17 Aug. 0.0297 0.0264 0.0281
00:01-01:00, Wed., 17 Aug. 0.0298 0.0256 0.0278
23:01-24:00, Tue., 16 Aug. 0.0291 0.0253 0.0276
22:01-23:00, Tue., 16 Aug. 0.0303 0.0253 0.0277
21:01-22:00, Tue., 16 Aug. 0.0282 0.0245 0.0267
20:01-21:00, Tue., 16 Aug. 0.0282 0.0250 0.0267
19:01-20:00, Tue., 16 Aug. 0.0283 0.0255 0.0267
18:01-19:00, Tue., 16 Aug. 0.0285 0.0253 0.0268
17:01-18:00, Tue., 16 Aug. 0.0286 0.0246 0.0269
16:01-17:00, Tue., 16 Aug. 0.0294 0.0249 0.0271
15:01-16:00, Tue., 16 Aug. 0.0283 0.0255 0.0269
14:01-15:00, Tue., 16 Aug. 0.0289 0.0247 0.0269
13:01-14:00, Tue., 16 Aug. 0.0290 0.0254 0.0269
12:01-13:00, Tue., 16 Aug. 0.0289 0.0251 0.0269
11:01-12:00, Tue., 16 Aug. 0.0290 0.0249 0.0267
10:01-11:00, Tue., 16 Aug. 0.0287 0.0254 0.0268
09:01-10:00, Tue., 16 Aug. 0.0287 0.0252 0.0267
08:01-09:00, Tue., 16 Aug. 0.0281 0.0252 0.0268
07:01-08:00, Tue., 16 Aug. 0.0292 0.0250 0.0269
06:01-07:00, Tue., 16 Aug. 0.0288 0.0249 0.0269
05:01-06:00, Tue., 16 Aug. 0.0290 0.0250 0.0269
04:01-05:00, Tue., 16 Aug. 0.0283 0.0250 0.0265
03:01-04:00, Tue., 16 Aug. 0.0285 0.0244 0.0268
02:01-03:00, Tue., 16 Aug. 0.0286 0.0249 0.0266
01:01-02:00, Tue., 16 Aug. 0.0294 0.0253 0.0266
00:01-01:00, Tue., 16 Aug. 0.0288 0.0245 0.0269
23:01-24:00, Mon., 15 Aug. 0.0288 0.0250 0.0270
22:01-23:00, Mon., 15 Aug. 0.0281 0.0248 0.0267
21:01-22:00, Mon., 15 Aug. 0.0296 0.0255 0.0270
20:01-21:00, Mon., 15 Aug. 0.0291 0.0252 0.0270
19:01-20:00, Mon., 15 Aug. 0.0293 0.0248 0.0272
18:01-19:00, Mon., 15 Aug. 0.0298 0.0257 0.0273
17:01-18:00, Mon., 15 Aug. 0.0294 0.0258 0.0275
16:01-17:00, Mon., 15 Aug. 0.0298 0.0258 0.0277
15:01-16:00, Mon., 15 Aug. 0.0289 0.0253 0.0273
14:01-15:00, Mon., 15 Aug. 0.0290 0.0259 0.0276
13:01-14:00, Mon., 15 Aug. 0.0299 0.0249 0.0275
12:01-13:00, Mon., 15 Aug. 0.0296 0.0250 0.0271
11:01-12:00, Mon., 15 Aug. 0.0294 0.0249 0.0271
10:01-11:00, Mon., 15 Aug. 0.0291 0.0254 0.0273
09:01-10:00, Mon., 15 Aug. 0.0298 0.0262 0.0277
08:01-09:00, Mon., 15 Aug. 0.0295 0.0263 0.0279
07:01-08:00, Mon., 15 Aug. 0.0305 0.0266 0.0284
06:01-07:00, Mon., 15 Aug. 0.0316 0.0269 0.0295
05:01-06:00, Mon., 15 Aug. 0.0312 0.0272 0.0292
04:01-05:00, Mon., 15 Aug. 0.0316 0.0268 0.0290
03:01-04:00, Mon., 15 Aug. 0.0306 0.0270 0.0289
02:01-03:00, Mon., 15 Aug. 0.0307 0.0270 0.0286
01:01-02:00, Mon., 15 Aug. 0.0311 0.0271 0.0291
00:01-01:00, Mon., 15 Aug. 0.0308 0.0272 0.0290