Measurement results by the hour (Chofu) 31 Aug., 2020 - 6 Sep., 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., 06 Sep. 0.0283 0.0240 0.0263
22:01-23:00, Sun., 06 Sep. 0.0277 0.0250 0.0264
21:01-22:00, Sun., 06 Sep. 0.0283 0.0247 0.0265
20:01-21:00, Sun., 06 Sep. 0.0291 0.0253 0.0276
19:01-20:00, Sun., 06 Sep. 0.0294 0.0252 0.0273
18:01-19:00, Sun., 06 Sep. 0.0300 0.0248 0.0268
17:01-18:00, Sun., 06 Sep. 0.0287 0.0250 0.0273
16:01-17:00, Sun., 06 Sep. 0.0291 0.0252 0.0271
15:01-16:00, Sun., 06 Sep. 0.0288 0.0246 0.0266
14:01-15:00, Sun., 06 Sep. 0.0286 0.0242 0.0268
13:01-14:00, Sun., 06 Sep. 0.0287 0.0247 0.0266
12:01-13:00, Sun., 06 Sep. 0.0280 0.0242 0.0264
11:01-12:00, Sun., 06 Sep. 0.0280 0.0246 0.0266
10:01-11:00, Sun., 06 Sep. 0.0286 0.0246 0.0266
09:01-10:00, Sun., 06 Sep. 0.0281 0.0245 0.0262
08:01-09:00, Sun., 06 Sep. 0.0283 0.0250 0.0265
07:01-08:00, Sun., 06 Sep. 0.0286 0.0252 0.0271
06:01-07:00, Sun., 06 Sep. 0.0290 0.0256 0.0272
05:01-06:00, Sun., 06 Sep. 0.0301 0.0259 0.0279
04:01-05:00, Sun., 06 Sep. 0.0288 0.0248 0.0266
03:01-04:00, Sun., 06 Sep. 0.0284 0.0252 0.0271
02:01-03:00, Sun., 06 Sep. 0.0286 0.0251 0.0267
01:01-02:00, Sun., 06 Sep. 0.0280 0.0248 0.0267
00:01-01:00, Sun., 06 Sep. 0.0298 0.0249 0.0272
23:01-24:00, Sat., 05 Sep. 0.0314 0.0270 0.0289
22:01-23:00, Sat., 05 Sep. 0.0301 0.0254 0.0281
21:01-22:00, Sat., 05 Sep. 0.0304 0.0268 0.0289
20:01-21:00, Sat., 05 Sep. 0.0292 0.0255 0.0272
19:01-20:00, Sat., 05 Sep. 0.0296 0.0259 0.0274
18:01-19:00, Sat., 05 Sep. 0.0292 0.0256 0.0271
17:01-18:00, Sat., 05 Sep. 0.0291 0.0255 0.0276
16:01-17:00, Sat., 05 Sep. 0.0291 0.0248 0.0273
15:01-16:00, Sat., 05 Sep. 0.0299 0.0251 0.0274
14:01-15:00, Sat., 05 Sep. 0.0296 0.0259 0.0277
13:01-14:00, Sat., 05 Sep. 0.0309 0.0259 0.0280
12:01-13:00, Sat., 05 Sep. 0.0304 0.0259 0.0283
11:01-12:00, Sat., 05 Sep. 0.0301 0.0269 0.0285
10:01-11:00, Sat., 05 Sep. 0.0310 0.0267 0.0288
09:01-10:00, Sat., 05 Sep. 0.0308 0.0273 0.0289
08:01-09:00, Sat., 05 Sep. 0.0312 0.0270 0.0291
07:01-08:00, Sat., 05 Sep. 0.0313 0.0265 0.0288
06:01-07:00, Sat., 05 Sep. 0.0302 0.0267 0.0285
05:01-06:00, Sat., 05 Sep. 0.0302 0.0265 0.0282
04:01-05:00, Sat., 05 Sep. 0.0306 0.0257 0.0282
03:01-04:00, Sat., 05 Sep. 0.0303 0.0257 0.0282
02:01-03:00, Sat., 05 Sep. 0.0298 0.0263 0.0280
01:01-02:00, Sat., 05 Sep. 0.0298 0.0254 0.0275
00:01-01:00, Sat., 05 Sep. 0.0294 0.0261 0.0276
23:01-24:00, Fri., 04 Sep. 0.0292 0.0251 0.0272
22:01-23:00, Fri., 04 Sep. 0.0293 0.0262 0.0278
21:01-22:00, Fri., 04 Sep. 0.0301 0.0258 0.0285
20:01-21:00, Fri., 04 Sep. 0.0308 0.0263 0.0283
19:01-20:00, Fri., 04 Sep. 0.0293 0.0255 0.0274
18:01-19:00, Fri., 04 Sep. 0.0291 0.0252 0.0274
17:01-18:00, Fri., 04 Sep. 0.0292 0.0254 0.0272
16:01-17:00, Fri., 04 Sep. 0.0290 0.0254 0.0272
15:01-16:00, Fri., 04 Sep. 0.0294 0.0253 0.0272
14:01-15:00, Fri., 04 Sep. 0.0291 0.0250 0.0271
13:01-14:00, Fri., 04 Sep. 0.0289 0.0258 0.0273
12:01-13:00, Fri., 04 Sep. 0.0295 0.0256 0.0273
11:01-12:00, Fri., 04 Sep. 0.0291 0.0252 0.0270
10:01-11:00, Fri., 04 Sep. 0.0291 0.0250 0.0270
09:01-10:00, Fri., 04 Sep. 0.0288 0.0251 0.0273
08:01-09:00, Fri., 04 Sep. 0.0294 0.0262 0.0278
07:01-08:00, Fri., 04 Sep. 0.0303 0.0265 0.0282
06:01-07:00, Fri., 04 Sep. 0.0300 0.0263 0.0284
05:01-06:00, Fri., 04 Sep. 0.0314 0.0259 0.0284
04:01-05:00, Fri., 04 Sep. 0.0302 0.0265 0.0283
03:01-04:00, Fri., 04 Sep. 0.0308 0.0265 0.0285
02:01-03:00, Fri., 04 Sep. 0.0307 0.0270 0.0286
01:01-02:00, Fri., 04 Sep. 0.0310 0.0264 0.0284
00:01-01:00, Fri., 04 Sep. 0.0296 0.0254 0.0274
23:01-24:00, Thu., 03 Sep. 0.0292 0.0249 0.0269
22:01-23:00, Thu., 03 Sep. 0.0291 0.0250 0.0273
21:01-22:00, Thu., 03 Sep. 0.0288 0.0250 0.0267
20:01-21:00, Thu., 03 Sep. 0.0293 0.0246 0.0268
19:01-20:00, Thu., 03 Sep. 0.0286 0.0252 0.0269
18:01-19:00, Thu., 03 Sep. 0.0282 0.0240 0.0267
17:01-18:00, Thu., 03 Sep. 0.0287 0.0247 0.0267
16:01-17:00, Thu., 03 Sep. 0.0281 0.0248 0.0265
15:01-16:00, Thu., 03 Sep. 0.0288 0.0253 0.0267
14:01-15:00, Thu., 03 Sep. 0.0294 0.0248 0.0271
13:01-14:00, Thu., 03 Sep. 0.0286 0.0254 0.0270
12:01-13:00, Thu., 03 Sep. 0.0289 0.0248 0.0269
11:01-12:00, Thu., 03 Sep. 0.0292 0.0245 0.0269
10:01-11:00, Thu., 03 Sep. 0.0288 0.0243 0.0267
09:01-10:00, Thu., 03 Sep. 0.0286 0.0246 0.0266
08:01-09:00, Thu., 03 Sep. 0.0282 0.0252 0.0266
07:01-08:00, Thu., 03 Sep. 0.0282 0.0248 0.0265
06:01-07:00, Thu., 03 Sep. 0.0280 0.0247 0.0267
05:01-06:00, Thu., 03 Sep. 0.0288 0.0249 0.0269
04:01-05:00, Thu., 03 Sep. 0.0301 0.0257 0.0275
03:01-04:00, Thu., 03 Sep. 0.0285 0.0242 0.0269
02:01-03:00, Thu., 03 Sep. 0.0284 0.0254 0.0269
01:01-02:00, Thu., 03 Sep. 0.0300 0.0255 0.0271
00:01-01:00, Thu., 03 Sep. 0.0295 0.0249 0.0272
23:01-24:00, Wed., 02 Sep. 0.0294 0.0256 0.0274
22:01-23:00, Wed., 02 Sep. 0.0303 0.0266 0.0281
21:01-22:00, Wed., 02 Sep. 0.0321 0.0273 0.0297
20:01-21:00, Wed., 02 Sep. 0.0300 0.0271 0.0285
19:01-20:00, Wed., 02 Sep. 0.0303 0.0270 0.0286
18:01-19:00, Wed., 02 Sep. 0.0302 0.0266 0.0284
17:01-18:00, Wed., 02 Sep. 0.0305 0.0263 0.0286
16:01-17:00, Wed., 02 Sep. 0.0309 0.0271 0.0286
15:01-16:00, Wed., 02 Sep. 0.0324 0.0267 0.0294
14:01-15:00, Wed., 02 Sep. 0.0316 0.0274 0.0297
13:01-14:00, Wed., 02 Sep. 0.0312 0.0269 0.0293
12:01-13:00, Wed., 02 Sep. 0.0313 0.0269 0.0290
11:01-12:00, Wed., 02 Sep. 0.0317 0.0271 0.0291
10:01-11:00, Wed., 02 Sep. 0.0311 0.0269 0.0288
09:01-10:00, Wed., 02 Sep. 0.0306 0.0271 0.0290
08:01-09:00, Wed., 02 Sep. 0.0321 0.0272 0.0291
07:01-08:00, Wed., 02 Sep. 0.0317 0.0272 0.0295
06:01-07:00, Wed., 02 Sep. 0.0334 0.0286 0.0308
05:01-06:00, Wed., 02 Sep. 0.0318 0.0273 0.0296
04:01-05:00, Wed., 02 Sep. 0.0310 0.0274 0.0293
03:01-04:00, Wed., 02 Sep. 0.0311 0.0273 0.0292
02:01-03:00, Wed., 02 Sep. 0.0323 0.0279 0.0294
01:01-02:00, Wed., 02 Sep. 0.0312 0.0279 0.0295
00:01-01:00, Wed., 02 Sep. 0.0316 0.0258 0.0293
23:01-24:00, Tue., 01 Sep. 0.0317 0.0270 0.0293
22:01-23:00, Tue., 01 Sep. 0.0307 0.0267 0.0291
21:01-22:00, Tue., 01 Sep. 0.0312 0.0260 0.0288
20:01-21:00, Tue., 01 Sep. 0.0307 0.0268 0.0288
19:01-20:00, Tue., 01 Sep. 0.0307 0.0268 0.0289
18:01-19:00, Tue., 01 Sep. 0.0311 0.0273 0.0287
17:01-18:00, Tue., 01 Sep. 0.0309 0.0278 0.0290
16:01-17:00, Tue., 01 Sep. 0.0306 0.0266 0.0289
15:01-16:00, Tue., 01 Sep. 0.0315 0.0276 0.0296
14:01-15:00, Tue., 01 Sep. 0.0328 0.0285 0.0305
13:01-14:00, Tue., 01 Sep. 0.0309 0.0270 0.0290
12:01-13:00, Tue., 01 Sep. 0.0307 0.0269 0.0286
11:01-12:00, Tue., 01 Sep. 0.0309 0.0269 0.0289
10:01-11:00, Tue., 01 Sep. 0.0304 0.0268 0.0289
09:01-10:00, Tue., 01 Sep. 0.0307 0.0272 0.0288
08:01-09:00, Tue., 01 Sep. 0.0305 0.0273 0.0287
07:01-08:00, Tue., 01 Sep. 0.0309 0.0268 0.0286
06:01-07:00, Tue., 01 Sep. 0.0312 0.0269 0.0290
05:01-06:00, Tue., 01 Sep. 0.0318 0.0277 0.0295
04:01-05:00, Tue., 01 Sep. 0.0318 0.0281 0.0301
03:01-04:00, Tue., 01 Sep. 0.0329 0.0283 0.0302
02:01-03:00, Tue., 01 Sep. 0.0307 0.0268 0.0288
01:01-02:00, Tue., 01 Sep. 0.0308 0.0278 0.0293
00:01-01:00, Tue., 01 Sep. 0.0311 0.0280 0.0294
23:01-24:00, Mon., 31 Aug. 0.0338 0.0289 0.0313
22:01-23:00, Mon., 31 Aug. 0.0363 0.0311 0.0342
21:01-22:00, Mon., 31 Aug. 0.0407 0.0343 0.0371
20:01-21:00, Mon., 31 Aug. 0.0377 0.0298 0.0326
19:01-20:00, Mon., 31 Aug. 0.0316 0.0275 0.0293
18:01-19:00, Mon., 31 Aug. 0.0312 0.0269 0.0291
17:01-18:00, Mon., 31 Aug. 0.0310 0.0261 0.0291
16:01-17:00, Mon., 31 Aug. 0.0309 0.0267 0.0289
15:01-16:00, Mon., 31 Aug. 0.0305 0.0275 0.0292
14:01-15:00, Mon., 31 Aug. 0.0314 0.0270 0.0293
13:01-14:00, Mon., 31 Aug. 0.0313 0.0274 0.0291
12:01-13:00, Mon., 31 Aug. 0.0307 0.0271 0.0290
11:01-12:00, Mon., 31 Aug. 0.0321 0.0269 0.0289
10:01-11:00, Mon., 31 Aug. 0.0310 0.0271 0.0291
09:01-10:00, Mon., 31 Aug. 0.0312 0.0278 0.0292
08:01-09:00, Mon., 31 Aug. 0.0307 0.0270 0.0292
07:01-08:00, Mon., 31 Aug. 0.0310 0.0275 0.0295
06:01-07:00, Mon., 31 Aug. 0.0315 0.0279 0.0295
05:01-06:00, Mon., 31 Aug. 0.0318 0.0283 0.0295
04:01-05:00, Mon., 31 Aug. 0.0319 0.0277 0.0298
03:01-04:00, Mon., 31 Aug. 0.0314 0.0267 0.0294
02:01-03:00, Mon., 31 Aug. 0.0310 0.0272 0.0291
01:01-02:00, Mon., 31 Aug. 0.0308 0.0272 0.0287
00:01-01:00, Mon., 31 Aug. 0.0303 0.0268 0.0286