Measurement results by the hour (Chofu) 5 Jul., 2021 - 11 Jul., 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., 11 Jul. 0.0285 0.0248 0.0267
22:01-23:00, Sun., 11 Jul. 0.0286 0.0249 0.0267
21:01-22:00, Sun., 11 Jul. 0.0296 0.0252 0.0272
20:01-21:00, Sun., 11 Jul. 0.0325 0.0264 0.0296
19:01-20:00, Sun., 11 Jul. 0.0416 0.0308 0.0360
18:01-19:00, Sun., 11 Jul. 0.0508 0.0396 0.0448
17:01-18:00, Sun., 11 Jul. 0.0508 0.0267 0.0351
16:01-17:00, Sun., 11 Jul. 0.0309 0.0255 0.0285
15:01-16:00, Sun., 11 Jul. 0.0292 0.0254 0.0269
14:01-15:00, Sun., 11 Jul. 0.0285 0.0248 0.0266
13:01-14:00, Sun., 11 Jul. 0.0283 0.0247 0.0264
12:01-13:00, Sun., 11 Jul. 0.0283 0.0247 0.0265
11:01-12:00, Sun., 11 Jul. 0.0280 0.0248 0.0265
10:01-11:00, Sun., 11 Jul. 0.0286 0.0251 0.0266
09:01-10:00, Sun., 11 Jul. 0.0278 0.0249 0.0265
08:01-09:00, Sun., 11 Jul. 0.0280 0.0245 0.0265
07:01-08:00, Sun., 11 Jul. 0.0281 0.0247 0.0263
06:01-07:00, Sun., 11 Jul. 0.0277 0.0244 0.0261
05:01-06:00, Sun., 11 Jul. 0.0280 0.0241 0.0260
04:01-05:00, Sun., 11 Jul. 0.0291 0.0241 0.0261
03:01-04:00, Sun., 11 Jul. 0.0280 0.0237 0.0261
02:01-03:00, Sun., 11 Jul. 0.0278 0.0247 0.0261
01:01-02:00, Sun., 11 Jul. 0.0282 0.0248 0.0262
00:01-01:00, Sun., 11 Jul. 0.0282 0.0247 0.0261
23:01-24:00, Sat., 10 Jul. 0.0293 0.0249 0.0271
22:01-23:00, Sat., 10 Jul. 0.0324 0.0263 0.0291
21:01-22:00, Sat., 10 Jul. 0.0441 0.0305 0.0364
20:01-21:00, Sat., 10 Jul. 0.0430 0.0250 0.0316
19:01-20:00, Sat., 10 Jul. 0.0286 0.0249 0.0266
18:01-19:00, Sat., 10 Jul. 0.0289 0.0257 0.0269
17:01-18:00, Sat., 10 Jul. 0.0294 0.0257 0.0272
16:01-17:00, Sat., 10 Jul. 0.0290 0.0250 0.0270
15:01-16:00, Sat., 10 Jul. 0.0299 0.0251 0.0271
14:01-15:00, Sat., 10 Jul. 0.0302 0.0253 0.0273
13:01-14:00, Sat., 10 Jul. 0.0291 0.0258 0.0270
12:01-13:00, Sat., 10 Jul. 0.0282 0.0247 0.0267
11:01-12:00, Sat., 10 Jul. 0.0298 0.0246 0.0270
10:01-11:00, Sat., 10 Jul. 0.0280 0.0240 0.0263
09:01-10:00, Sat., 10 Jul. 0.0283 0.0242 0.0261
08:01-09:00, Sat., 10 Jul. 0.0275 0.0241 0.0262
07:01-08:00, Sat., 10 Jul. 0.0278 0.0245 0.0263
06:01-07:00, Sat., 10 Jul. 0.0283 0.0247 0.0263
05:01-06:00, Sat., 10 Jul. 0.0288 0.0246 0.0263
04:01-05:00, Sat., 10 Jul. 0.0282 0.0249 0.0267
03:01-04:00, Sat., 10 Jul. 0.0287 0.0258 0.0270
02:01-03:00, Sat., 10 Jul. 0.0295 0.0240 0.0261
01:01-02:00, Sat., 10 Jul. 0.0291 0.0245 0.0267
00:01-01:00, Sat., 10 Jul. 0.0284 0.0242 0.0264
23:01-24:00, Fri., 09 Jul. 0.0286 0.0247 0.0265
22:01-23:00, Fri., 09 Jul. 0.0286 0.0249 0.0266
21:01-22:00, Fri., 09 Jul. 0.0293 0.0255 0.0274
20:01-21:00, Fri., 09 Jul. 0.0332 0.0271 0.0301
19:01-20:00, Fri., 09 Jul. 0.0417 0.0321 0.0370
18:01-19:00, Fri., 09 Jul. 0.0399 0.0320 0.0353
17:01-18:00, Fri., 09 Jul. 0.0339 0.0246 0.0282
16:01-17:00, Fri., 09 Jul. 0.0291 0.0257 0.0270
15:01-16:00, Fri., 09 Jul. 0.0300 0.0250 0.0277
14:01-15:00, Fri., 09 Jul. 0.0278 0.0242 0.0262
13:01-14:00, Fri., 09 Jul. 0.0287 0.0249 0.0263
12:01-13:00, Fri., 09 Jul. 0.0275 0.0242 0.0261
11:01-12:00, Fri., 09 Jul. 0.0286 0.0250 0.0267
10:01-11:00, Fri., 09 Jul. 0.0297 0.0257 0.0276
09:01-10:00, Fri., 09 Jul. 0.0295 0.0258 0.0276
08:01-09:00, Fri., 09 Jul. 0.0320 0.0264 0.0292
07:01-08:00, Fri., 09 Jul. 0.0361 0.0297 0.0336
06:01-07:00, Fri., 09 Jul. 0.0370 0.0285 0.0316
05:01-06:00, Fri., 09 Jul. 0.0379 0.0298 0.0327
04:01-05:00, Fri., 09 Jul. 0.0361 0.0269 0.0305
03:01-04:00, Fri., 09 Jul. 0.0320 0.0278 0.0299
02:01-03:00, Fri., 09 Jul. 0.0316 0.0259 0.0278
01:01-02:00, Fri., 09 Jul. 0.0285 0.0248 0.0269
00:01-01:00, Fri., 09 Jul. 0.0287 0.0251 0.0270
23:01-24:00, Thu., 08 Jul. 0.0315 0.0258 0.0285
22:01-23:00, Thu., 08 Jul. 0.0354 0.0293 0.0319
21:01-22:00, Thu., 08 Jul. 0.0374 0.0324 0.0352
20:01-21:00, Thu., 08 Jul. 0.0381 0.0313 0.0342
19:01-20:00, Thu., 08 Jul. 0.0345 0.0282 0.0316
18:01-19:00, Thu., 08 Jul. 0.0323 0.0280 0.0299
17:01-18:00, Thu., 08 Jul. 0.0348 0.0291 0.0326
16:01-17:00, Thu., 08 Jul. 0.0350 0.0308 0.0328
15:01-16:00, Thu., 08 Jul. 0.0351 0.0296 0.0325
14:01-15:00, Thu., 08 Jul. 0.0351 0.0308 0.0329
13:01-14:00, Thu., 08 Jul. 0.0324 0.0266 0.0294
12:01-13:00, Thu., 08 Jul. 0.0311 0.0271 0.0291
11:01-12:00, Thu., 08 Jul. 0.0299 0.0261 0.0277
10:01-11:00, Thu., 08 Jul. 0.0298 0.0255 0.0271
09:01-10:00, Thu., 08 Jul. 0.0296 0.0250 0.0274
08:01-09:00, Thu., 08 Jul. 0.0291 0.0251 0.0271
07:01-08:00, Thu., 08 Jul. 0.0294 0.0260 0.0279
06:01-07:00, Thu., 08 Jul. 0.0296 0.0253 0.0274
05:01-06:00, Thu., 08 Jul. 0.0296 0.0266 0.0279
04:01-05:00, Thu., 08 Jul. 0.0294 0.0264 0.0281
03:01-04:00, Thu., 08 Jul. 0.0292 0.0252 0.0272
02:01-03:00, Thu., 08 Jul. 0.0285 0.0247 0.0267
01:01-02:00, Thu., 08 Jul. 0.0291 0.0248 0.0265
00:01-01:00, Thu., 08 Jul. 0.0285 0.0245 0.0267
23:01-24:00, Wed., 07 Jul. 0.0285 0.0242 0.0266
22:01-23:00, Wed., 07 Jul. 0.0288 0.0251 0.0267
21:01-22:00, Wed., 07 Jul. 0.0284 0.0249 0.0266
20:01-21:00, Wed., 07 Jul. 0.0282 0.0246 0.0266
19:01-20:00, Wed., 07 Jul. 0.0293 0.0245 0.0268
18:01-19:00, Wed., 07 Jul. 0.0287 0.0249 0.0268
17:01-18:00, Wed., 07 Jul. 0.0290 0.0250 0.0269
16:01-17:00, Wed., 07 Jul. 0.0287 0.0250 0.0269
15:01-16:00, Wed., 07 Jul. 0.0285 0.0254 0.0269
14:01-15:00, Wed., 07 Jul. 0.0285 0.0257 0.0272
13:01-14:00, Wed., 07 Jul. 0.0288 0.0256 0.0271
12:01-13:00, Wed., 07 Jul. 0.0287 0.0252 0.0271
11:01-12:00, Wed., 07 Jul. 0.0293 0.0255 0.0273
10:01-11:00, Wed., 07 Jul. 0.0314 0.0263 0.0283
09:01-10:00, Wed., 07 Jul. 0.0337 0.0271 0.0308
08:01-09:00, Wed., 07 Jul. 0.0351 0.0304 0.0324
07:01-08:00, Wed., 07 Jul. 0.0366 0.0307 0.0330
06:01-07:00, Wed., 07 Jul. 0.0325 0.0252 0.0284
05:01-06:00, Wed., 07 Jul. 0.0292 0.0247 0.0268
04:01-05:00, Wed., 07 Jul. 0.0296 0.0244 0.0271
03:01-04:00, Wed., 07 Jul. 0.0285 0.0255 0.0271
02:01-03:00, Wed., 07 Jul. 0.0283 0.0248 0.0270
01:01-02:00, Wed., 07 Jul. 0.0287 0.0255 0.0271
00:01-01:00, Wed., 07 Jul. 0.0304 0.0259 0.0278
23:01-24:00, Tue., 06 Jul. 0.0319 0.0272 0.0295
22:01-23:00, Tue., 06 Jul. 0.0319 0.0269 0.0294
21:01-22:00, Tue., 06 Jul. 0.0316 0.0268 0.0285
20:01-21:00, Tue., 06 Jul. 0.0326 0.0277 0.0303
19:01-20:00, Tue., 06 Jul. 0.0304 0.0264 0.0283
18:01-19:00, Tue., 06 Jul. 0.0300 0.0256 0.0280
17:01-18:00, Tue., 06 Jul. 0.0308 0.0265 0.0284
16:01-17:00, Tue., 06 Jul. 0.0315 0.0266 0.0290
15:01-16:00, Tue., 06 Jul. 0.0312 0.0264 0.0287
14:01-15:00, Tue., 06 Jul. 0.0314 0.0268 0.0287
13:01-14:00, Tue., 06 Jul. 0.0306 0.0266 0.0286
12:01-13:00, Tue., 06 Jul. 0.0307 0.0268 0.0286
11:01-12:00, Tue., 06 Jul. 0.0305 0.0263 0.0281
10:01-11:00, Tue., 06 Jul. 0.0298 0.0249 0.0279
09:01-10:00, Tue., 06 Jul. 0.0304 0.0253 0.0281
08:01-09:00, Tue., 06 Jul. 0.0297 0.0258 0.0281
07:01-08:00, Tue., 06 Jul. 0.0309 0.0265 0.0285
06:01-07:00, Tue., 06 Jul. 0.0301 0.0270 0.0284
05:01-06:00, Tue., 06 Jul. 0.0305 0.0261 0.0282
04:01-05:00, Tue., 06 Jul. 0.0294 0.0253 0.0273
03:01-04:00, Tue., 06 Jul. 0.0297 0.0257 0.0275
02:01-03:00, Tue., 06 Jul. 0.0300 0.0256 0.0277
01:01-02:00, Tue., 06 Jul. 0.0302 0.0261 0.0279
00:01-01:00, Tue., 06 Jul. 0.0293 0.0250 0.0270
23:01-24:00, Mon., 05 Jul. 0.0295 0.0253 0.0269
22:01-23:00, Mon., 05 Jul. 0.0288 0.0252 0.0267
21:01-22:00, Mon., 05 Jul. 0.0282 0.0251 0.0266
20:01-21:00, Mon., 05 Jul. 0.0283 0.0251 0.0267
19:01-20:00, Mon., 05 Jul. 0.0281 0.0248 0.0264
18:01-19:00, Mon., 05 Jul. 0.0285 0.0245 0.0265
17:01-18:00, Mon., 05 Jul. 0.0291 0.0251 0.0269
16:01-17:00, Mon., 05 Jul. 0.0313 0.0267 0.0286
15:01-16:00, Mon., 05 Jul. 0.0379 0.0302 0.0335
14:01-15:00, Mon., 05 Jul. 0.0398 0.0304 0.0346
13:01-14:00, Mon., 05 Jul. 0.0319 0.0259 0.0285
12:01-13:00, Mon., 05 Jul. 0.0332 0.0277 0.0301
11:01-12:00, Mon., 05 Jul. 0.0318 0.0258 0.0282
10:01-11:00, Mon., 05 Jul. 0.0285 0.0239 0.0261
09:01-10:00, Mon., 05 Jul. 0.0295 0.0249 0.0267
08:01-09:00, Mon., 05 Jul. 0.0317 0.0260 0.0288
07:01-08:00, Mon., 05 Jul. 0.0357 0.0292 0.0324
06:01-07:00, Mon., 05 Jul. 0.0394 0.0324 0.0348
05:01-06:00, Mon., 05 Jul. 0.0414 0.0278 0.0344
04:01-05:00, Mon., 05 Jul. 0.0299 0.0259 0.0279
03:01-04:00, Mon., 05 Jul. 0.0300 0.0247 0.0268
02:01-03:00, Mon., 05 Jul. 0.0288 0.0237 0.0264
01:01-02:00, Mon., 05 Jul. 0.0287 0.0240 0.0267
00:01-01:00, Mon., 05 Jul. 0.0291 0.0248 0.0269