Measurement results by the hour (Chofu) 18 Jul., 2022 - 24 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., 24 Jul. 0.0304 0.0260 0.0278
22:01-23:00, Sun., 24 Jul. 0.0298 0.0258 0.0278
21:01-22:00, Sun., 24 Jul. 0.0306 0.0263 0.0281
20:01-21:00, Sun., 24 Jul. 0.0296 0.0259 0.0279
19:01-20:00, Sun., 24 Jul. 0.0308 0.0260 0.0278
18:01-19:00, Sun., 24 Jul. 0.0301 0.0253 0.0279
17:01-18:00, Sun., 24 Jul. 0.0298 0.0263 0.0279
16:01-17:00, Sun., 24 Jul. 0.0303 0.0251 0.0276
15:01-16:00, Sun., 24 Jul. 0.0298 0.0255 0.0277
14:01-15:00, Sun., 24 Jul. 0.0296 0.0258 0.0276
13:01-14:00, Sun., 24 Jul. 0.0300 0.0261 0.0279
12:01-13:00, Sun., 24 Jul. 0.0297 0.0256 0.0276
11:01-12:00, Sun., 24 Jul. 0.0298 0.0260 0.0277
10:01-11:00, Sun., 24 Jul. 0.0298 0.0255 0.0278
09:01-10:00, Sun., 24 Jul. 0.0300 0.0267 0.0282
08:01-09:00, Sun., 24 Jul. 0.0303 0.0264 0.0278
07:01-08:00, Sun., 24 Jul. 0.0303 0.0264 0.0280
06:01-07:00, Sun., 24 Jul. 0.0295 0.0253 0.0278
05:01-06:00, Sun., 24 Jul. 0.0302 0.0259 0.0280
04:01-05:00, Sun., 24 Jul. 0.0298 0.0261 0.0277
03:01-04:00, Sun., 24 Jul. 0.0297 0.0261 0.0280
02:01-03:00, Sun., 24 Jul. 0.0298 0.0259 0.0276
01:01-02:00, Sun., 24 Jul. 0.0300 0.0252 0.0280
00:01-01:00, Sun., 24 Jul. 0.0296 0.0258 0.0278
23:01-24:00, Sat., 23 Jul. 0.0307 0.0258 0.0277
22:01-23:00, Sat., 23 Jul. 0.0299 0.0262 0.0278
21:01-22:00, Sat., 23 Jul. 0.0301 0.0254 0.0276
20:01-21:00, Sat., 23 Jul. 0.0296 0.0256 0.0275
19:01-20:00, Sat., 23 Jul. 0.0292 0.0253 0.0275
18:01-19:00, Sat., 23 Jul. 0.0298 0.0252 0.0279
17:01-18:00, Sat., 23 Jul. 0.0302 0.0263 0.0278
16:01-17:00, Sat., 23 Jul. 0.0298 0.0259 0.0278
15:01-16:00, Sat., 23 Jul. 0.0300 0.0263 0.0280
14:01-15:00, Sat., 23 Jul. 0.0300 0.0265 0.0279
13:01-14:00, Sat., 23 Jul. 0.0308 0.0265 0.0280
12:01-13:00, Sat., 23 Jul. 0.0311 0.0262 0.0284
11:01-12:00, Sat., 23 Jul. 0.0304 0.0265 0.0286
10:01-11:00, Sat., 23 Jul. 0.0309 0.0257 0.0283
09:01-10:00, Sat., 23 Jul. 0.0305 0.0272 0.0286
08:01-09:00, Sat., 23 Jul. 0.0302 0.0266 0.0282
07:01-08:00, Sat., 23 Jul. 0.0308 0.0267 0.0284
06:01-07:00, Sat., 23 Jul. 0.0301 0.0258 0.0284
05:01-06:00, Sat., 23 Jul. 0.0314 0.0267 0.0283
04:01-05:00, Sat., 23 Jul. 0.0318 0.0260 0.0282
03:01-04:00, Sat., 23 Jul. 0.0314 0.0264 0.0289
02:01-03:00, Sat., 23 Jul. 0.0309 0.0265 0.0284
01:01-02:00, Sat., 23 Jul. 0.0312 0.0263 0.0284
00:01-01:00, Sat., 23 Jul. 0.0308 0.0266 0.0281
23:01-24:00, Fri., 22 Jul. 0.0298 0.0265 0.0281
22:01-23:00, Fri., 22 Jul. 0.0298 0.0261 0.0282
21:01-22:00, Fri., 22 Jul. 0.0302 0.0257 0.0281
20:01-21:00, Fri., 22 Jul. 0.0298 0.0252 0.0279
19:01-20:00, Fri., 22 Jul. 0.0298 0.0256 0.0279
18:01-19:00, Fri., 22 Jul. 0.0296 0.0256 0.0280
17:01-18:00, Fri., 22 Jul. 0.0302 0.0259 0.0277
16:01-17:00, Fri., 22 Jul. 0.0298 0.0262 0.0280
15:01-16:00, Fri., 22 Jul. 0.0304 0.0261 0.0282
14:01-15:00, Fri., 22 Jul. 0.0296 0.0257 0.0278
13:01-14:00, Fri., 22 Jul. 0.0294 0.0263 0.0278
12:01-13:00, Fri., 22 Jul. 0.0315 0.0264 0.0284
11:01-12:00, Fri., 22 Jul. 0.0354 0.0275 0.0309
10:01-11:00, Fri., 22 Jul. 0.0508 0.0325 0.0406
09:01-10:00, Fri., 22 Jul. 0.0575 0.0375 0.0501
08:01-09:00, Fri., 22 Jul. 0.0384 0.0262 0.0295
07:01-08:00, Fri., 22 Jul. 0.0299 0.0257 0.0277
06:01-07:00, Fri., 22 Jul. 0.0300 0.0261 0.0280
05:01-06:00, Fri., 22 Jul. 0.0294 0.0264 0.0278
04:01-05:00, Fri., 22 Jul. 0.0306 0.0258 0.0280
03:01-04:00, Fri., 22 Jul. 0.0303 0.0255 0.0282
02:01-03:00, Fri., 22 Jul. 0.0295 0.0259 0.0278
01:01-02:00, Fri., 22 Jul. 0.0300 0.0263 0.0279
00:01-01:00, Fri., 22 Jul. 0.0306 0.0263 0.0281
23:01-24:00, Thu., 21 Jul. 0.0302 0.0259 0.0282
22:01-23:00, Thu., 21 Jul. 0.0312 0.0275 0.0290
21:01-22:00, Thu., 21 Jul. 0.0302 0.0267 0.0282
20:01-21:00, Thu., 21 Jul. 0.0298 0.0264 0.0282
19:01-20:00, Thu., 21 Jul. 0.0325 0.0275 0.0298
18:01-19:00, Thu., 21 Jul. 0.0421 0.0310 0.0354
17:01-18:00, Thu., 21 Jul. 0.0416 0.0266 0.0346
16:01-17:00, Thu., 21 Jul. 0.0314 0.0253 0.0282
15:01-16:00, Thu., 21 Jul. 0.0297 0.0264 0.0279
14:01-15:00, Thu., 21 Jul. 0.0292 0.0251 0.0277
13:01-14:00, Thu., 21 Jul. 0.0299 0.0261 0.0277
12:01-13:00, Thu., 21 Jul. 0.0291 0.0257 0.0275
11:01-12:00, Thu., 21 Jul. 0.0298 0.0262 0.0277
10:01-11:00, Thu., 21 Jul. 0.0306 0.0256 0.0280
09:01-10:00, Thu., 21 Jul. 0.0300 0.0260 0.0281
08:01-09:00, Thu., 21 Jul. 0.0307 0.0259 0.0284
07:01-08:00, Thu., 21 Jul. 0.0302 0.0267 0.0283
06:01-07:00, Thu., 21 Jul. 0.0305 0.0264 0.0283
05:01-06:00, Thu., 21 Jul. 0.0302 0.0265 0.0284
04:01-05:00, Thu., 21 Jul. 0.0301 0.0264 0.0283
03:01-04:00, Thu., 21 Jul. 0.0311 0.0258 0.0283
02:01-03:00, Thu., 21 Jul. 0.0295 0.0263 0.0281
01:01-02:00, Thu., 21 Jul. 0.0300 0.0265 0.0280
00:01-01:00, Thu., 21 Jul. 0.0294 0.0261 0.0278
23:01-24:00, Wed., 20 Jul. 0.0294 0.0261 0.0276
22:01-23:00, Wed., 20 Jul. 0.0293 0.0255 0.0275
21:01-22:00, Wed., 20 Jul. 0.0301 0.0254 0.0276
20:01-21:00, Wed., 20 Jul. 0.0296 0.0253 0.0274
19:01-20:00, Wed., 20 Jul. 0.0301 0.0257 0.0277
18:01-19:00, Wed., 20 Jul. 0.0295 0.0259 0.0274
17:01-18:00, Wed., 20 Jul. 0.0294 0.0253 0.0274
16:01-17:00, Wed., 20 Jul. 0.0295 0.0252 0.0274
15:01-16:00, Wed., 20 Jul. 0.0298 0.0252 0.0276
14:01-15:00, Wed., 20 Jul. 0.0293 0.0251 0.0275
13:01-14:00, Wed., 20 Jul. 0.0290 0.0258 0.0274
12:01-13:00, Wed., 20 Jul. 0.0289 0.0257 0.0273
11:01-12:00, Wed., 20 Jul. 0.0293 0.0252 0.0275
10:01-11:00, Wed., 20 Jul. 0.0300 0.0263 0.0278
09:01-10:00, Wed., 20 Jul. 0.0300 0.0262 0.0283
08:01-09:00, Wed., 20 Jul. 0.0307 0.0269 0.0288
07:01-08:00, Wed., 20 Jul. 0.0310 0.0265 0.0288
06:01-07:00, Wed., 20 Jul. 0.0311 0.0269 0.0295
05:01-06:00, Wed., 20 Jul. 0.0314 0.0278 0.0298
04:01-05:00, Wed., 20 Jul. 0.0320 0.0279 0.0297
03:01-04:00, Wed., 20 Jul. 0.0321 0.0283 0.0300
02:01-03:00, Wed., 20 Jul. 0.0313 0.0268 0.0291
01:01-02:00, Wed., 20 Jul. 0.0313 0.0269 0.0290
00:01-01:00, Wed., 20 Jul. 0.0302 0.0265 0.0285
23:01-24:00, Tue., 19 Jul. 0.0300 0.0254 0.0275
22:01-23:00, Tue., 19 Jul. 0.0293 0.0254 0.0271
21:01-22:00, Tue., 19 Jul. 0.0291 0.0245 0.0267
20:01-21:00, Tue., 19 Jul. 0.0290 0.0244 0.0268
19:01-20:00, Tue., 19 Jul. 0.0290 0.0251 0.0271
18:01-19:00, Tue., 19 Jul. 0.0293 0.0254 0.0276
17:01-18:00, Tue., 19 Jul. 0.0315 0.0272 0.0296
16:01-17:00, Tue., 19 Jul. 0.0345 0.0290 0.0320
15:01-16:00, Tue., 19 Jul. 0.0370 0.0317 0.0342
14:01-15:00, Tue., 19 Jul. 0.0418 0.0347 0.0375
13:01-14:00, Tue., 19 Jul. 0.0348 0.0293 0.0315
12:01-13:00, Tue., 19 Jul. 0.0340 0.0290 0.0314
11:01-12:00, Tue., 19 Jul. 0.0309 0.0250 0.0275
10:01-11:00, Tue., 19 Jul. 0.0285 0.0245 0.0265
09:01-10:00, Tue., 19 Jul. 0.0284 0.0249 0.0266
08:01-09:00, Tue., 19 Jul. 0.0283 0.0253 0.0265
07:01-08:00, Tue., 19 Jul. 0.0290 0.0253 0.0268
06:01-07:00, Tue., 19 Jul. 0.0313 0.0272 0.0288
05:01-06:00, Tue., 19 Jul. 0.0313 0.0273 0.0293
04:01-05:00, Tue., 19 Jul. 0.0313 0.0273 0.0293
03:01-04:00, Tue., 19 Jul. 0.0324 0.0273 0.0299
02:01-03:00, Tue., 19 Jul. 0.0314 0.0271 0.0288
01:01-02:00, Tue., 19 Jul. 0.0296 0.0261 0.0280
00:01-01:00, Tue., 19 Jul. 0.0298 0.0256 0.0282
23:01-24:00, Mon., 18 Jul. 0.0311 0.0268 0.0281
22:01-23:00, Mon., 18 Jul. 0.0293 0.0263 0.0277
21:01-22:00, Mon., 18 Jul. 0.0303 0.0258 0.0278
20:01-21:00, Mon., 18 Jul. 0.0296 0.0263 0.0277
19:01-20:00, Mon., 18 Jul. 0.0294 0.0257 0.0275
18:01-19:00, Mon., 18 Jul. 0.0293 0.0258 0.0275
17:01-18:00, Mon., 18 Jul. 0.0292 0.0256 0.0275
16:01-17:00, Mon., 18 Jul. 0.0292 0.0256 0.0277
15:01-16:00, Mon., 18 Jul. 0.0287 0.0256 0.0271
14:01-15:00, Mon., 18 Jul. 0.0290 0.0256 0.0271
13:01-14:00, Mon., 18 Jul. 0.0297 0.0251 0.0271
12:01-13:00, Mon., 18 Jul. 0.0293 0.0251 0.0270
11:01-12:00, Mon., 18 Jul. 0.0285 0.0251 0.0270
10:01-11:00, Mon., 18 Jul. 0.0288 0.0257 0.0272
09:01-10:00, Mon., 18 Jul. 0.0289 0.0256 0.0272
08:01-09:00, Mon., 18 Jul. 0.0292 0.0249 0.0268
07:01-08:00, Mon., 18 Jul. 0.0297 0.0249 0.0275
06:01-07:00, Mon., 18 Jul. 0.0293 0.0254 0.0276
05:01-06:00, Mon., 18 Jul. 0.0290 0.0243 0.0271
04:01-05:00, Mon., 18 Jul. 0.0294 0.0252 0.0269
03:01-04:00, Mon., 18 Jul. 0.0287 0.0243 0.0270
02:01-03:00, Mon., 18 Jul. 0.0284 0.0252 0.0269
01:01-02:00, Mon., 18 Jul. 0.0291 0.0252 0.0268
00:01-01:00, Mon., 18 Jul. 0.0296 0.0250 0.0268