Measurement results by the hour (Chofu) 28 Oct., 2019 - 3 Nov., 2019

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., 03 Nov. 0.0494 0.0368 0.0453
22:01-23:00, Sun., 03 Nov. 0.0513 0.0349 0.0419
21:01-22:00, Sun., 03 Nov. 0.0406 0.0282 0.0345
20:01-21:00, Sun., 03 Nov. 0.0317 0.0282 0.0296
19:01-20:00, Sun., 03 Nov. 0.0309 0.0267 0.0292
18:01-19:00, Sun., 03 Nov. 0.0314 0.0271 0.0287
17:01-18:00, Sun., 03 Nov. 0.0306 0.0266 0.0282
16:01-17:00, Sun., 03 Nov. 0.0303 0.0265 0.0283
15:01-16:00, Sun., 03 Nov. 0.0306 0.0269 0.0285
14:01-15:00, Sun., 03 Nov. 0.0304 0.0268 0.0288
13:01-14:00, Sun., 03 Nov. 0.0304 0.0268 0.0287
12:01-13:00, Sun., 03 Nov. 0.0307 0.0276 0.0290
11:01-12:00, Sun., 03 Nov. 0.0308 0.0269 0.0291
10:01-11:00, Sun., 03 Nov. 0.0310 0.0276 0.0294
09:01-10:00, Sun., 03 Nov. 0.0313 0.0275 0.0295
08:01-09:00, Sun., 03 Nov. 0.0315 0.0281 0.0297
07:01-08:00, Sun., 03 Nov. 0.0320 0.0278 0.0300
06:01-07:00, Sun., 03 Nov. 0.0307 0.0276 0.0296
05:01-06:00, Sun., 03 Nov. 0.0321 0.0277 0.0296
04:01-05:00, Sun., 03 Nov. 0.0316 0.0271 0.0293
03:01-04:00, Sun., 03 Nov. 0.0301 0.0255 0.0285
02:01-03:00, Sun., 03 Nov. 0.0305 0.0260 0.0285
01:01-02:00, Sun., 03 Nov. 0.0301 0.0268 0.0285
00:01-01:00, Sun., 03 Nov. 0.0298 0.0269 0.0284
23:01-24:00, Sat., 02 Nov. 0.0305 0.0265 0.0284
22:01-23:00, Sat., 02 Nov. 0.0305 0.0266 0.0285
21:01-22:00, Sat., 02 Nov. 0.0305 0.0265 0.0285
20:01-21:00, Sat., 02 Nov. 0.0296 0.0263 0.0279
19:01-20:00, Sat., 02 Nov. 0.0295 0.0257 0.0274
18:01-19:00, Sat., 02 Nov. 0.0293 0.0256 0.0277
17:01-18:00, Sat., 02 Nov. 0.0298 0.0262 0.0276
16:01-17:00, Sat., 02 Nov. 0.0293 0.0256 0.0274
15:01-16:00, Sat., 02 Nov. 0.0293 0.0250 0.0274
14:01-15:00, Sat., 02 Nov. 0.0290 0.0261 0.0275
13:01-14:00, Sat., 02 Nov. 0.0294 0.0257 0.0275
12:01-13:00, Sat., 02 Nov. 0.0301 0.0265 0.0279
11:01-12:00, Sat., 02 Nov. 0.0296 0.0263 0.0278
10:01-11:00, Sat., 02 Nov. 0.0312 0.0251 0.0284
09:01-10:00, Sat., 02 Nov. 0.0309 0.0268 0.0284
08:01-09:00, Sat., 02 Nov. 0.0306 0.0267 0.0284
07:01-08:00, Sat., 02 Nov. 0.0301 0.0260 0.0279
06:01-07:00, Sat., 02 Nov. 0.0300 0.0253 0.0277
05:01-06:00, Sat., 02 Nov. 0.0308 0.0262 0.0278
04:01-05:00, Sat., 02 Nov. 0.0293 0.0259 0.0275
03:01-04:00, Sat., 02 Nov. 0.0296 0.0258 0.0277
02:01-03:00, Sat., 02 Nov. 0.0297 0.0256 0.0276
01:01-02:00, Sat., 02 Nov. 0.0295 0.0260 0.0275
00:01-01:00, Sat., 02 Nov. 0.0294 0.0261 0.0278
23:01-24:00, Fri., 01 Nov. 0.0303 0.0258 0.0278
22:01-23:00, Fri., 01 Nov. 0.0293 0.0256 0.0276
21:01-22:00, Fri., 01 Nov. 0.0301 0.0257 0.0279
20:01-21:00, Fri., 01 Nov. 0.0293 0.0265 0.0278
19:01-20:00, Fri., 01 Nov. 0.0296 0.0261 0.0277
18:01-19:00, Fri., 01 Nov. 0.0294 0.0257 0.0277
17:01-18:00, Fri., 01 Nov. 0.0302 0.0257 0.0279
16:01-17:00, Fri., 01 Nov. 0.0295 0.0259 0.0275
15:01-16:00, Fri., 01 Nov. 0.0298 0.0257 0.0279
14:01-15:00, Fri., 01 Nov. 0.0295 0.0262 0.0278
13:01-14:00, Fri., 01 Nov. 0.0299 0.0262 0.0278
12:01-13:00, Fri., 01 Nov. 0.0296 0.0263 0.0280
11:01-12:00, Fri., 01 Nov. 0.0302 0.0263 0.0283
10:01-11:00, Fri., 01 Nov. 0.0301 0.0267 0.0283
09:01-10:00, Fri., 01 Nov. 0.0305 0.0265 0.0287
08:01-09:00, Fri., 01 Nov. 0.0317 0.0273 0.0294
07:01-08:00, Fri., 01 Nov. 0.0305 0.0270 0.0292
06:01-07:00, Fri., 01 Nov. 0.0317 0.0277 0.0296
05:01-06:00, Fri., 01 Nov. 0.0315 0.0273 0.0296
04:01-05:00, Fri., 01 Nov. 0.0311 0.0281 0.0296
03:01-04:00, Fri., 01 Nov. 0.0316 0.0271 0.0294
02:01-03:00, Fri., 01 Nov. 0.0316 0.0279 0.0297
01:01-02:00, Fri., 01 Nov. 0.0317 0.0273 0.0295
00:01-01:00, Fri., 01 Nov. 0.0315 0.0269 0.0291
23:01-24:00, Thu., 31 Oct. 0.0310 0.0274 0.0290
22:01-23:00, Thu., 31 Oct. 0.0310 0.0268 0.0288
21:01-22:00, Thu., 31 Oct. 0.0299 0.0268 0.0283
20:01-21:00, Thu., 31 Oct. 0.0293 0.0263 0.0278
19:01-20:00, Thu., 31 Oct. 0.0293 0.0259 0.0277
18:01-19:00, Thu., 31 Oct. 0.0291 0.0255 0.0275
17:01-18:00, Thu., 31 Oct. 0.0295 0.0258 0.0275
16:01-17:00, Thu., 31 Oct. 0.0296 0.0258 0.0275
15:01-16:00, Thu., 31 Oct. 0.0295 0.0253 0.0274
14:01-15:00, Thu., 31 Oct. 0.0294 0.0261 0.0277
13:01-14:00, Thu., 31 Oct. 0.0300 0.0251 0.0275
12:01-13:00, Thu., 31 Oct. 0.0299 0.0258 0.0277
11:01-12:00, Thu., 31 Oct. 0.0306 0.0265 0.0282
10:01-11:00, Thu., 31 Oct. 0.0309 0.0260 0.0284
09:01-10:00, Thu., 31 Oct. 0.0310 0.0262 0.0286
08:01-09:00, Thu., 31 Oct. 0.0311 0.0267 0.0290
07:01-08:00, Thu., 31 Oct. 0.0315 0.0276 0.0291
06:01-07:00, Thu., 31 Oct. 0.0309 0.0268 0.0286
05:01-06:00, Thu., 31 Oct. 0.0301 0.0256 0.0281
04:01-05:00, Thu., 31 Oct. 0.0304 0.0263 0.0284
03:01-04:00, Thu., 31 Oct. 0.0310 0.0266 0.0284
02:01-03:00, Thu., 31 Oct. 0.0320 0.0266 0.0283
01:01-02:00, Thu., 31 Oct. 0.0300 0.0268 0.0284
00:01-01:00, Thu., 31 Oct. 0.0298 0.0268 0.0283
23:01-24:00, Wed., 30 Oct. 0.0301 0.0260 0.0284
22:01-23:00, Wed., 30 Oct. 0.0303 0.0268 0.0281
21:01-22:00, Wed., 30 Oct. 0.0298 0.0258 0.0282
20:01-21:00, Wed., 30 Oct. 0.0304 0.0262 0.0282
19:01-20:00, Wed., 30 Oct. 0.0304 0.0259 0.0278
18:01-19:00, Wed., 30 Oct. 0.0298 0.0254 0.0276
17:01-18:00, Wed., 30 Oct. 0.0301 0.0254 0.0274
16:01-17:00, Wed., 30 Oct. 0.0293 0.0258 0.0274
15:01-16:00, Wed., 30 Oct. 0.0299 0.0252 0.0274
14:01-15:00, Wed., 30 Oct. 0.0297 0.0253 0.0272
13:01-14:00, Wed., 30 Oct. 0.0289 0.0254 0.0271
12:01-13:00, Wed., 30 Oct. 0.0292 0.0253 0.0273
11:01-12:00, Wed., 30 Oct. 0.0301 0.0263 0.0280
10:01-11:00, Wed., 30 Oct. 0.0303 0.0263 0.0283
09:01-10:00, Wed., 30 Oct. 0.0309 0.0271 0.0290
08:01-09:00, Wed., 30 Oct. 0.0313 0.0282 0.0297
07:01-08:00, Wed., 30 Oct. 0.0323 0.0277 0.0296
06:01-07:00, Wed., 30 Oct. 0.0313 0.0280 0.0297
05:01-06:00, Wed., 30 Oct. 0.0322 0.0280 0.0297
04:01-05:00, Wed., 30 Oct. 0.0318 0.0279 0.0296
03:01-04:00, Wed., 30 Oct. 0.0309 0.0271 0.0290
02:01-03:00, Wed., 30 Oct. 0.0310 0.0274 0.0291
01:01-02:00, Wed., 30 Oct. 0.0323 0.0272 0.0286
00:01-01:00, Wed., 30 Oct. 0.0297 0.0265 0.0283
23:01-24:00, Tue., 29 Oct. 0.0304 0.0259 0.0280
22:01-23:00, Tue., 29 Oct. 0.0304 0.0252 0.0277
21:01-22:00, Tue., 29 Oct. 0.0292 0.0258 0.0274
20:01-21:00, Tue., 29 Oct. 0.0292 0.0254 0.0273
19:01-20:00, Tue., 29 Oct. 0.0292 0.0255 0.0273
18:01-19:00, Tue., 29 Oct. 0.0294 0.0258 0.0277
17:01-18:00, Tue., 29 Oct. 0.0317 0.0268 0.0293
16:01-17:00, Tue., 29 Oct. 0.0393 0.0294 0.0341
15:01-16:00, Tue., 29 Oct. 0.0461 0.0376 0.0420
14:01-15:00, Tue., 29 Oct. 0.0496 0.0407 0.0451
13:01-14:00, Tue., 29 Oct. 0.0542 0.0459 0.0500
12:01-13:00, Tue., 29 Oct. 0.0567 0.0493 0.0525
11:01-12:00, Tue., 29 Oct. 0.0551 0.0422 0.0489
10:01-11:00, Tue., 29 Oct. 0.0461 0.0360 0.0403
09:01-10:00, Tue., 29 Oct. 0.0445 0.0354 0.0400
08:01-09:00, Tue., 29 Oct. 0.0478 0.0369 0.0427
07:01-08:00, Tue., 29 Oct. 0.0429 0.0337 0.0367
06:01-07:00, Tue., 29 Oct. 0.0358 0.0264 0.0299
05:01-06:00, Tue., 29 Oct. 0.0306 0.0265 0.0284
04:01-05:00, Tue., 29 Oct. 0.0305 0.0262 0.0284
03:01-04:00, Tue., 29 Oct. 0.0294 0.0258 0.0278
02:01-03:00, Tue., 29 Oct. 0.0295 0.0256 0.0274
01:01-02:00, Tue., 29 Oct. 0.0298 0.0258 0.0276
00:01-01:00, Tue., 29 Oct. 0.0294 0.0255 0.0273
23:01-24:00, Mon., 28 Oct. 0.0302 0.0255 0.0272
22:01-23:00, Mon., 28 Oct. 0.0289 0.0250 0.0274
21:01-22:00, Mon., 28 Oct. 0.0297 0.0253 0.0273
20:01-21:00, Mon., 28 Oct. 0.0287 0.0255 0.0272
19:01-20:00, Mon., 28 Oct. 0.0293 0.0252 0.0272
18:01-19:00, Mon., 28 Oct. 0.0290 0.0253 0.0271
17:01-18:00, Mon., 28 Oct. 0.0295 0.0252 0.0273
16:01-17:00, Mon., 28 Oct. 0.0290 0.0254 0.0274
15:01-16:00, Mon., 28 Oct. 0.0299 0.0259 0.0276
14:01-15:00, Mon., 28 Oct. 0.0289 0.0258 0.0273
13:01-14:00, Mon., 28 Oct. 0.0296 0.0261 0.0277
12:01-13:00, Mon., 28 Oct. 0.0301 0.0257 0.0277
11:01-12:00, Mon., 28 Oct. 0.0295 0.0259 0.0278
10:01-11:00, Mon., 28 Oct. 0.0295 0.0267 0.0281
09:01-10:00, Mon., 28 Oct. 0.0301 0.0257 0.0282
08:01-09:00, Mon., 28 Oct. 0.0300 0.0268 0.0283
07:01-08:00, Mon., 28 Oct. 0.0301 0.0264 0.0284
06:01-07:00, Mon., 28 Oct. 0.0305 0.0269 0.0285
05:01-06:00, Mon., 28 Oct. 0.0305 0.0256 0.0282
04:01-05:00, Mon., 28 Oct. 0.0302 0.0264 0.0280
03:01-04:00, Mon., 28 Oct. 0.0304 0.0267 0.0281
02:01-03:00, Mon., 28 Oct. 0.0299 0.0255 0.0279
01:01-02:00, Mon., 28 Oct. 0.0295 0.0259 0.0281
00:01-01:00, Mon., 28 Oct. 0.0299 0.0263 0.0282