Measurement results by the hour (Chofu) 14 Jun., 2021 - 20 Jun., 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., 20 Jun. 0.0294 0.0259 0.0273
22:01-23:00, Sun., 20 Jun. 0.0295 0.0250 0.0273
21:01-22:00, Sun., 20 Jun. 0.0290 0.0256 0.0273
20:01-21:00, Sun., 20 Jun. 0.0298 0.0251 0.0275
19:01-20:00, Sun., 20 Jun. 0.0288 0.0254 0.0268
18:01-19:00, Sun., 20 Jun. 0.0290 0.0248 0.0267
17:01-18:00, Sun., 20 Jun. 0.0289 0.0256 0.0271
16:01-17:00, Sun., 20 Jun. 0.0291 0.0254 0.0270
15:01-16:00, Sun., 20 Jun. 0.0293 0.0256 0.0274
14:01-15:00, Sun., 20 Jun. 0.0287 0.0256 0.0272
13:01-14:00, Sun., 20 Jun. 0.0295 0.0255 0.0270
12:01-13:00, Sun., 20 Jun. 0.0287 0.0253 0.0269
11:01-12:00, Sun., 20 Jun. 0.0294 0.0243 0.0268
10:01-11:00, Sun., 20 Jun. 0.0286 0.0250 0.0267
09:01-10:00, Sun., 20 Jun. 0.0290 0.0245 0.0265
08:01-09:00, Sun., 20 Jun. 0.0284 0.0251 0.0266
07:01-08:00, Sun., 20 Jun. 0.0294 0.0245 0.0269
06:01-07:00, Sun., 20 Jun. 0.0309 0.0254 0.0281
05:01-06:00, Sun., 20 Jun. 0.0313 0.0258 0.0285
04:01-05:00, Sun., 20 Jun. 0.0312 0.0273 0.0292
03:01-04:00, Sun., 20 Jun. 0.0294 0.0266 0.0280
02:01-03:00, Sun., 20 Jun. 0.0305 0.0268 0.0286
01:01-02:00, Sun., 20 Jun. 0.0308 0.0269 0.0290
00:01-01:00, Sun., 20 Jun. 0.0316 0.0273 0.0290
23:01-24:00, Sat., 19 Jun. 0.0300 0.0262 0.0281
22:01-23:00, Sat., 19 Jun. 0.0299 0.0262 0.0281
21:01-22:00, Sat., 19 Jun. 0.0296 0.0258 0.0272
20:01-21:00, Sat., 19 Jun. 0.0293 0.0256 0.0274
19:01-20:00, Sat., 19 Jun. 0.0302 0.0258 0.0278
18:01-19:00, Sat., 19 Jun. 0.0296 0.0248 0.0270
17:01-18:00, Sat., 19 Jun. 0.0289 0.0251 0.0271
16:01-17:00, Sat., 19 Jun. 0.0299 0.0252 0.0279
15:01-16:00, Sat., 19 Jun. 0.0294 0.0259 0.0276
14:01-15:00, Sat., 19 Jun. 0.0303 0.0264 0.0280
13:01-14:00, Sat., 19 Jun. 0.0328 0.0272 0.0299
12:01-13:00, Sat., 19 Jun. 0.0343 0.0294 0.0317
11:01-12:00, Sat., 19 Jun. 0.0383 0.0311 0.0348
10:01-11:00, Sat., 19 Jun. 0.0393 0.0336 0.0358
09:01-10:00, Sat., 19 Jun. 0.0393 0.0317 0.0356
08:01-09:00, Sat., 19 Jun. 0.0338 0.0286 0.0313
07:01-08:00, Sat., 19 Jun. 0.0324 0.0279 0.0295
06:01-07:00, Sat., 19 Jun. 0.0331 0.0278 0.0301
05:01-06:00, Sat., 19 Jun. 0.0373 0.0303 0.0339
04:01-05:00, Sat., 19 Jun. 0.0366 0.0325 0.0345
03:01-04:00, Sat., 19 Jun. 0.0362 0.0312 0.0333
02:01-03:00, Sat., 19 Jun. 0.0368 0.0320 0.0344
01:01-02:00, Sat., 19 Jun. 0.0328 0.0277 0.0303
00:01-01:00, Sat., 19 Jun. 0.0314 0.0274 0.0290
23:01-24:00, Fri., 18 Jun. 0.0293 0.0259 0.0274
22:01-23:00, Fri., 18 Jun. 0.0290 0.0260 0.0273
21:01-22:00, Fri., 18 Jun. 0.0292 0.0256 0.0274
20:01-21:00, Fri., 18 Jun. 0.0305 0.0261 0.0283
19:01-20:00, Fri., 18 Jun. 0.0293 0.0250 0.0272
18:01-19:00, Fri., 18 Jun. 0.0290 0.0248 0.0271
17:01-18:00, Fri., 18 Jun. 0.0293 0.0254 0.0273
16:01-17:00, Fri., 18 Jun. 0.0292 0.0246 0.0271
15:01-16:00, Fri., 18 Jun. 0.0288 0.0250 0.0271
14:01-15:00, Fri., 18 Jun. 0.0288 0.0255 0.0270
13:01-14:00, Fri., 18 Jun. 0.0299 0.0253 0.0272
12:01-13:00, Fri., 18 Jun. 0.0294 0.0244 0.0270
11:01-12:00, Fri., 18 Jun. 0.0296 0.0253 0.0271
10:01-11:00, Fri., 18 Jun. 0.0293 0.0251 0.0271
09:01-10:00, Fri., 18 Jun. 0.0290 0.0250 0.0272
08:01-09:00, Fri., 18 Jun. 0.0291 0.0252 0.0271
07:01-08:00, Fri., 18 Jun. 0.0306 0.0253 0.0272
06:01-07:00, Fri., 18 Jun. 0.0293 0.0251 0.0272
05:01-06:00, Fri., 18 Jun. 0.0292 0.0257 0.0274
04:01-05:00, Fri., 18 Jun. 0.0298 0.0250 0.0271
03:01-04:00, Fri., 18 Jun. 0.0288 0.0251 0.0269
02:01-03:00, Fri., 18 Jun. 0.0293 0.0253 0.0266
01:01-02:00, Fri., 18 Jun. 0.0286 0.0249 0.0268
00:01-01:00, Fri., 18 Jun. 0.0281 0.0247 0.0266
23:01-24:00, Thu., 17 Jun. 0.0291 0.0245 0.0267
22:01-23:00, Thu., 17 Jun. 0.0291 0.0257 0.0271
21:01-22:00, Thu., 17 Jun. 0.0286 0.0248 0.0267
20:01-21:00, Thu., 17 Jun. 0.0284 0.0246 0.0264
19:01-20:00, Thu., 17 Jun. 0.0291 0.0250 0.0268
18:01-19:00, Thu., 17 Jun. 0.0290 0.0251 0.0269
17:01-18:00, Thu., 17 Jun. 0.0283 0.0248 0.0268
16:01-17:00, Thu., 17 Jun. 0.0287 0.0250 0.0269
15:01-16:00, Thu., 17 Jun. 0.0289 0.0251 0.0272
14:01-15:00, Thu., 17 Jun. 0.0315 0.0262 0.0287
13:01-14:00, Thu., 17 Jun. 0.0309 0.0260 0.0285
12:01-13:00, Thu., 17 Jun. 0.0345 0.0292 0.0320
11:01-12:00, Thu., 17 Jun. 0.0326 0.0256 0.0278
10:01-11:00, Thu., 17 Jun. 0.0290 0.0248 0.0272
09:01-10:00, Thu., 17 Jun. 0.0298 0.0255 0.0273
08:01-09:00, Thu., 17 Jun. 0.0294 0.0256 0.0274
07:01-08:00, Thu., 17 Jun. 0.0290 0.0259 0.0274
06:01-07:00, Thu., 17 Jun. 0.0290 0.0260 0.0275
05:01-06:00, Thu., 17 Jun. 0.0298 0.0256 0.0275
04:01-05:00, Thu., 17 Jun. 0.0297 0.0254 0.0277
03:01-04:00, Thu., 17 Jun. 0.0304 0.0259 0.0278
02:01-03:00, Thu., 17 Jun. 0.0296 0.0255 0.0274
01:01-02:00, Thu., 17 Jun. 0.0295 0.0246 0.0271
00:01-01:00, Thu., 17 Jun. 0.0288 0.0252 0.0272
23:01-24:00, Wed., 16 Jun. 0.0290 0.0253 0.0273
22:01-23:00, Wed., 16 Jun. 0.0302 0.0256 0.0272
21:01-22:00, Wed., 16 Jun. 0.0295 0.0254 0.0274
20:01-21:00, Wed., 16 Jun. 0.0301 0.0264 0.0281
19:01-20:00, Wed., 16 Jun. 0.0311 0.0271 0.0290
18:01-19:00, Wed., 16 Jun. 0.0303 0.0266 0.0281
17:01-18:00, Wed., 16 Jun. 0.0298 0.0262 0.0279
16:01-17:00, Wed., 16 Jun. 0.0327 0.0271 0.0301
15:01-16:00, Wed., 16 Jun. 0.0362 0.0300 0.0328
14:01-15:00, Wed., 16 Jun. 0.0336 0.0258 0.0288
13:01-14:00, Wed., 16 Jun. 0.0290 0.0247 0.0273
12:01-13:00, Wed., 16 Jun. 0.0299 0.0254 0.0273
11:01-12:00, Wed., 16 Jun. 0.0296 0.0251 0.0272
10:01-11:00, Wed., 16 Jun. 0.0289 0.0256 0.0276
09:01-10:00, Wed., 16 Jun. 0.0301 0.0260 0.0282
08:01-09:00, Wed., 16 Jun. 0.0324 0.0277 0.0304
07:01-08:00, Wed., 16 Jun. 0.0326 0.0257 0.0286
06:01-07:00, Wed., 16 Jun. 0.0302 0.0269 0.0286
05:01-06:00, Wed., 16 Jun. 0.0302 0.0263 0.0282
04:01-05:00, Wed., 16 Jun. 0.0298 0.0262 0.0280
03:01-04:00, Wed., 16 Jun. 0.0321 0.0268 0.0291
02:01-03:00, Wed., 16 Jun. 0.0378 0.0297 0.0334
01:01-02:00, Wed., 16 Jun. 0.0445 0.0358 0.0398
00:01-01:00, Wed., 16 Jun. 0.0401 0.0316 0.0352
23:01-24:00, Tue., 15 Jun. 0.0359 0.0290 0.0316
22:01-23:00, Tue., 15 Jun. 0.0357 0.0311 0.0335
21:01-22:00, Tue., 15 Jun. 0.0349 0.0288 0.0310
20:01-21:00, Tue., 15 Jun. 0.0311 0.0265 0.0290
19:01-20:00, Tue., 15 Jun. 0.0298 0.0260 0.0279
18:01-19:00, Tue., 15 Jun. 0.0305 0.0258 0.0281
17:01-18:00, Tue., 15 Jun. 0.0298 0.0258 0.0279
16:01-17:00, Tue., 15 Jun. 0.0302 0.0265 0.0281
15:01-16:00, Tue., 15 Jun. 0.0293 0.0260 0.0279
14:01-15:00, Tue., 15 Jun. 0.0300 0.0256 0.0282
13:01-14:00, Tue., 15 Jun. 0.0305 0.0263 0.0283
12:01-13:00, Tue., 15 Jun. 0.0304 0.0264 0.0284
11:01-12:00, Tue., 15 Jun. 0.0306 0.0262 0.0282
10:01-11:00, Tue., 15 Jun. 0.0298 0.0256 0.0282
09:01-10:00, Tue., 15 Jun. 0.0311 0.0270 0.0288
08:01-09:00, Tue., 15 Jun. 0.0302 0.0262 0.0285
07:01-08:00, Tue., 15 Jun. 0.0317 0.0265 0.0287
06:01-07:00, Tue., 15 Jun. 0.0303 0.0271 0.0287
05:01-06:00, Tue., 15 Jun. 0.0302 0.0268 0.0283
04:01-05:00, Tue., 15 Jun. 0.0305 0.0261 0.0284
03:01-04:00, Tue., 15 Jun. 0.0303 0.0261 0.0281
02:01-03:00, Tue., 15 Jun. 0.0302 0.0259 0.0279
01:01-02:00, Tue., 15 Jun. 0.0291 0.0264 0.0277
00:01-01:00, Tue., 15 Jun. 0.0300 0.0260 0.0279
23:01-24:00, Mon., 14 Jun. 0.0295 0.0254 0.0277
22:01-23:00, Mon., 14 Jun. 0.0297 0.0257 0.0275
21:01-22:00, Mon., 14 Jun. 0.0300 0.0257 0.0275
20:01-21:00, Mon., 14 Jun. 0.0294 0.0263 0.0277
19:01-20:00, Mon., 14 Jun. 0.0297 0.0261 0.0279
18:01-19:00, Mon., 14 Jun. 0.0297 0.0253 0.0277
17:01-18:00, Mon., 14 Jun. 0.0292 0.0266 0.0277
16:01-17:00, Mon., 14 Jun. 0.0301 0.0262 0.0279
15:01-16:00, Mon., 14 Jun. 0.0297 0.0264 0.0278
14:01-15:00, Mon., 14 Jun. 0.0295 0.0253 0.0278
13:01-14:00, Mon., 14 Jun. 0.0299 0.0262 0.0277
12:01-13:00, Mon., 14 Jun. 0.0304 0.0264 0.0282
11:01-12:00, Mon., 14 Jun. 0.0306 0.0275 0.0288
10:01-11:00, Mon., 14 Jun. 0.0320 0.0271 0.0296
09:01-10:00, Mon., 14 Jun. 0.0335 0.0288 0.0312
08:01-09:00, Mon., 14 Jun. 0.0359 0.0311 0.0331
07:01-08:00, Mon., 14 Jun. 0.0369 0.0317 0.0344
06:01-07:00, Mon., 14 Jun. 0.0403 0.0321 0.0355
05:01-06:00, Mon., 14 Jun. 0.0364 0.0314 0.0338
04:01-05:00, Mon., 14 Jun. 0.0350 0.0277 0.0305
03:01-04:00, Mon., 14 Jun. 0.0306 0.0265 0.0284
02:01-03:00, Mon., 14 Jun. 0.0306 0.0268 0.0286
01:01-02:00, Mon., 14 Jun. 0.0295 0.0264 0.0283
00:01-01:00, Mon., 14 Jun. 0.0309 0.0274 0.0291