Measurement results by the hour (Chofu) 20 Jul., 2020 - 26 Jul., 2020

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., 26 Jul. 0.0277 0.0238 0.0261
22:01-23:00, Sun., 26 Jul. 0.0288 0.0247 0.0269
21:01-22:00, Sun., 26 Jul. 0.0282 0.0234 0.0256
20:01-21:00, Sun., 26 Jul. 0.0276 0.0236 0.0254
19:01-20:00, Sun., 26 Jul. 0.0279 0.0235 0.0255
18:01-19:00, Sun., 26 Jul. 0.0277 0.0238 0.0255
17:01-18:00, Sun., 26 Jul. 0.0284 0.0237 0.0260
16:01-17:00, Sun., 26 Jul. 0.0284 0.0241 0.0261
15:01-16:00, Sun., 26 Jul. 0.0284 0.0249 0.0264
14:01-15:00, Sun., 26 Jul. 0.0278 0.0243 0.0259
13:01-14:00, Sun., 26 Jul. 0.0294 0.0241 0.0265
12:01-13:00, Sun., 26 Jul. 0.0289 0.0246 0.0264
11:01-12:00, Sun., 26 Jul. 0.0278 0.0246 0.0261
10:01-11:00, Sun., 26 Jul. 0.0296 0.0246 0.0273
09:01-10:00, Sun., 26 Jul. 0.0307 0.0266 0.0286
08:01-09:00, Sun., 26 Jul. 0.0296 0.0254 0.0277
07:01-08:00, Sun., 26 Jul. 0.0295 0.0246 0.0270
06:01-07:00, Sun., 26 Jul. 0.0296 0.0256 0.0273
05:01-06:00, Sun., 26 Jul. 0.0297 0.0253 0.0279
04:01-05:00, Sun., 26 Jul. 0.0286 0.0251 0.0267
03:01-04:00, Sun., 26 Jul. 0.0279 0.0251 0.0264
02:01-03:00, Sun., 26 Jul. 0.0283 0.0244 0.0260
01:01-02:00, Sun., 26 Jul. 0.0275 0.0246 0.0259
00:01-01:00, Sun., 26 Jul. 0.0275 0.0241 0.0259
23:01-24:00, Sat., 25 Jul. 0.0279 0.0239 0.0259
22:01-23:00, Sat., 25 Jul. 0.0279 0.0247 0.0259
21:01-22:00, Sat., 25 Jul. 0.0280 0.0240 0.0258
20:01-21:00, Sat., 25 Jul. 0.0275 0.0239 0.0256
19:01-20:00, Sat., 25 Jul. 0.0279 0.0244 0.0260
18:01-19:00, Sat., 25 Jul. 0.0284 0.0244 0.0261
17:01-18:00, Sat., 25 Jul. 0.0288 0.0245 0.0266
16:01-17:00, Sat., 25 Jul. 0.0294 0.0261 0.0279
15:01-16:00, Sat., 25 Jul. 0.0314 0.0262 0.0290
14:01-15:00, Sat., 25 Jul. 0.0332 0.0282 0.0303
13:01-14:00, Sat., 25 Jul. 0.0351 0.0304 0.0326
12:01-13:00, Sat., 25 Jul. 0.0333 0.0253 0.0279
11:01-12:00, Sat., 25 Jul. 0.0317 0.0261 0.0284
10:01-11:00, Sat., 25 Jul. 0.0352 0.0286 0.0316
09:01-10:00, Sat., 25 Jul. 0.0326 0.0281 0.0302
08:01-09:00, Sat., 25 Jul. 0.0315 0.0266 0.0288
07:01-08:00, Sat., 25 Jul. 0.0342 0.0283 0.0311
06:01-07:00, Sat., 25 Jul. 0.0349 0.0280 0.0319
05:01-06:00, Sat., 25 Jul. 0.0304 0.0253 0.0283
04:01-05:00, Sat., 25 Jul. 0.0300 0.0266 0.0279
03:01-04:00, Sat., 25 Jul. 0.0300 0.0260 0.0280
02:01-03:00, Sat., 25 Jul. 0.0299 0.0262 0.0283
01:01-02:00, Sat., 25 Jul. 0.0318 0.0274 0.0291
00:01-01:00, Sat., 25 Jul. 0.0312 0.0255 0.0283
23:01-24:00, Fri., 24 Jul. 0.0301 0.0262 0.0279
22:01-23:00, Fri., 24 Jul. 0.0311 0.0259 0.0278
21:01-22:00, Fri., 24 Jul. 0.0301 0.0254 0.0277
20:01-21:00, Fri., 24 Jul. 0.0291 0.0259 0.0275
19:01-20:00, Fri., 24 Jul. 0.0293 0.0253 0.0276
18:01-19:00, Fri., 24 Jul. 0.0303 0.0266 0.0283
17:01-18:00, Fri., 24 Jul. 0.0288 0.0252 0.0272
16:01-17:00, Fri., 24 Jul. 0.0288 0.0255 0.0271
15:01-16:00, Fri., 24 Jul. 0.0295 0.0251 0.0273
14:01-15:00, Fri., 24 Jul. 0.0288 0.0255 0.0272
13:01-14:00, Fri., 24 Jul. 0.0290 0.0255 0.0271
12:01-13:00, Fri., 24 Jul. 0.0289 0.0251 0.0268
11:01-12:00, Fri., 24 Jul. 0.0293 0.0262 0.0277
10:01-11:00, Fri., 24 Jul. 0.0294 0.0263 0.0280
09:01-10:00, Fri., 24 Jul. 0.0294 0.0251 0.0276
08:01-09:00, Fri., 24 Jul. 0.0295 0.0259 0.0276
07:01-08:00, Fri., 24 Jul. 0.0292 0.0254 0.0275
06:01-07:00, Fri., 24 Jul. 0.0299 0.0259 0.0276
05:01-06:00, Fri., 24 Jul. 0.0294 0.0260 0.0276
04:01-05:00, Fri., 24 Jul. 0.0300 0.0259 0.0277
03:01-04:00, Fri., 24 Jul. 0.0298 0.0254 0.0275
02:01-03:00, Fri., 24 Jul. 0.0291 0.0254 0.0273
01:01-02:00, Fri., 24 Jul. 0.0295 0.0248 0.0275
00:01-01:00, Fri., 24 Jul. 0.0293 0.0261 0.0275
23:01-24:00, Thu., 23 Jul. 0.0299 0.0263 0.0279
22:01-23:00, Thu., 23 Jul. 0.0301 0.0265 0.0280
21:01-22:00, Thu., 23 Jul. 0.0299 0.0257 0.0277
20:01-21:00, Thu., 23 Jul. 0.0302 0.0261 0.0279
19:01-20:00, Thu., 23 Jul. 0.0329 0.0270 0.0298
18:01-19:00, Thu., 23 Jul. 0.0355 0.0307 0.0330
17:01-18:00, Thu., 23 Jul. 0.0367 0.0325 0.0344
16:01-17:00, Thu., 23 Jul. 0.0490 0.0349 0.0404
15:01-16:00, Thu., 23 Jul. 0.0503 0.0355 0.0443
14:01-15:00, Thu., 23 Jul. 0.0530 0.0370 0.0449
13:01-14:00, Thu., 23 Jul. 0.0575 0.0405 0.0492
12:01-13:00, Thu., 23 Jul. 0.0532 0.0379 0.0434
11:01-12:00, Thu., 23 Jul. 0.0616 0.0483 0.0526
10:01-11:00, Thu., 23 Jul. 0.0756 0.0556 0.0664
09:01-10:00, Thu., 23 Jul. 0.0687 0.0389 0.0557
08:01-09:00, Thu., 23 Jul. 0.0371 0.0292 0.0318
07:01-08:00, Thu., 23 Jul. 0.0368 0.0301 0.0335
06:01-07:00, Thu., 23 Jul. 0.0382 0.0292 0.0332
05:01-06:00, Thu., 23 Jul. 0.0314 0.0258 0.0281
04:01-05:00, Thu., 23 Jul. 0.0300 0.0260 0.0279
03:01-04:00, Thu., 23 Jul. 0.0343 0.0275 0.0304
02:01-03:00, Thu., 23 Jul. 0.0479 0.0324 0.0390
01:01-02:00, Thu., 23 Jul. 0.0610 0.0462 0.0539
00:01-01:00, Thu., 23 Jul. 0.0477 0.0277 0.0336
23:01-24:00, Wed., 22 Jul. 0.0302 0.0255 0.0282
22:01-23:00, Wed., 22 Jul. 0.0291 0.0257 0.0274
21:01-22:00, Wed., 22 Jul. 0.0305 0.0253 0.0276
20:01-21:00, Wed., 22 Jul. 0.0302 0.0255 0.0278
19:01-20:00, Wed., 22 Jul. 0.0301 0.0252 0.0280
18:01-19:00, Wed., 22 Jul. 0.0284 0.0253 0.0270
17:01-18:00, Wed., 22 Jul. 0.0292 0.0255 0.0270
16:01-17:00, Wed., 22 Jul. 0.0288 0.0251 0.0269
15:01-16:00, Wed., 22 Jul. 0.0295 0.0255 0.0269
14:01-15:00, Wed., 22 Jul. 0.0291 0.0252 0.0273
13:01-14:00, Wed., 22 Jul. 0.0291 0.0254 0.0273
12:01-13:00, Wed., 22 Jul. 0.0291 0.0263 0.0275
11:01-12:00, Wed., 22 Jul. 0.0290 0.0250 0.0269
10:01-11:00, Wed., 22 Jul. 0.0286 0.0246 0.0271
09:01-10:00, Wed., 22 Jul. 0.0290 0.0260 0.0276
08:01-09:00, Wed., 22 Jul. 0.0311 0.0273 0.0289
07:01-08:00, Wed., 22 Jul. 0.0319 0.0274 0.0302
06:01-07:00, Wed., 22 Jul. 0.0311 0.0257 0.0279
05:01-06:00, Wed., 22 Jul. 0.0282 0.0248 0.0266
04:01-05:00, Wed., 22 Jul. 0.0291 0.0243 0.0269
03:01-04:00, Wed., 22 Jul. 0.0282 0.0246 0.0266
02:01-03:00, Wed., 22 Jul. 0.0289 0.0247 0.0265
01:01-02:00, Wed., 22 Jul. 0.0286 0.0248 0.0267
00:01-01:00, Wed., 22 Jul. 0.0291 0.0247 0.0271
23:01-24:00, Tue., 21 Jul. 0.0304 0.0256 0.0284
22:01-23:00, Tue., 21 Jul. 0.0344 0.0285 0.0311
21:01-22:00, Tue., 21 Jul. 0.0345 0.0257 0.0299
20:01-21:00, Tue., 21 Jul. 0.0286 0.0245 0.0266
19:01-20:00, Tue., 21 Jul. 0.0284 0.0248 0.0267
18:01-19:00, Tue., 21 Jul. 0.0286 0.0250 0.0266
17:01-18:00, Tue., 21 Jul. 0.0286 0.0244 0.0266
16:01-17:00, Tue., 21 Jul. 0.0284 0.0252 0.0268
15:01-16:00, Tue., 21 Jul. 0.0284 0.0248 0.0268
14:01-15:00, Tue., 21 Jul. 0.0290 0.0252 0.0267
13:01-14:00, Tue., 21 Jul. 0.0285 0.0251 0.0267
12:01-13:00, Tue., 21 Jul. 0.0285 0.0249 0.0267
11:01-12:00, Tue., 21 Jul. 0.0280 0.0253 0.0264
10:01-11:00, Tue., 21 Jul. 0.0287 0.0250 0.0266
09:01-10:00, Tue., 21 Jul. 0.0287 0.0249 0.0267
08:01-09:00, Tue., 21 Jul. 0.0291 0.0256 0.0272
07:01-08:00, Tue., 21 Jul. 0.0284 0.0251 0.0266
06:01-07:00, Tue., 21 Jul. 0.0285 0.0248 0.0265
05:01-06:00, Tue., 21 Jul. 0.0285 0.0251 0.0268
04:01-05:00, Tue., 21 Jul. 0.0289 0.0244 0.0269
03:01-04:00, Tue., 21 Jul. 0.0296 0.0259 0.0275
02:01-03:00, Tue., 21 Jul. 0.0313 0.0269 0.0289
01:01-02:00, Tue., 21 Jul. 0.0322 0.0277 0.0297
00:01-01:00, Tue., 21 Jul. 0.0354 0.0287 0.0314
23:01-24:00, Mon., 20 Jul. 0.0344 0.0280 0.0318
22:01-23:00, Mon., 20 Jul. 0.0308 0.0251 0.0280
21:01-22:00, Mon., 20 Jul. 0.0291 0.0253 0.0268
20:01-21:00, Mon., 20 Jul. 0.0285 0.0247 0.0270
19:01-20:00, Mon., 20 Jul. 0.0301 0.0254 0.0273
18:01-19:00, Mon., 20 Jul. 0.0291 0.0255 0.0274
17:01-18:00, Mon., 20 Jul. 0.0291 0.0253 0.0270
16:01-17:00, Mon., 20 Jul. 0.0292 0.0253 0.0271
15:01-16:00, Mon., 20 Jul. 0.0291 0.0250 0.0271
14:01-15:00, Mon., 20 Jul. 0.0292 0.0254 0.0273
13:01-14:00, Mon., 20 Jul. 0.0290 0.0252 0.0272
12:01-13:00, Mon., 20 Jul. 0.0291 0.0249 0.0269
11:01-12:00, Mon., 20 Jul. 0.0291 0.0249 0.0271
10:01-11:00, Mon., 20 Jul. 0.0287 0.0251 0.0269
09:01-10:00, Mon., 20 Jul. 0.0288 0.0256 0.0270
08:01-09:00, Mon., 20 Jul. 0.0295 0.0257 0.0271
07:01-08:00, Mon., 20 Jul. 0.0298 0.0261 0.0278
06:01-07:00, Mon., 20 Jul. 0.0303 0.0261 0.0284
05:01-06:00, Mon., 20 Jul. 0.0299 0.0265 0.0281
04:01-05:00, Mon., 20 Jul. 0.0297 0.0258 0.0276
03:01-04:00, Mon., 20 Jul. 0.0298 0.0250 0.0272
02:01-03:00, Mon., 20 Jul. 0.0288 0.0255 0.0269
01:01-02:00, Mon., 20 Jul. 0.0282 0.0244 0.0265
00:01-01:00, Mon., 20 Jul. 0.0290 0.0252 0.0268