Measurement results by the hour (Chofu) 1 Apr., 2019 - 7 Apr., 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., 07 Apr. 0.0317 0.0276 0.0294
22:01-23:00, Sun., 07 Apr. 0.0312 0.0273 0.0293
21:01-22:00, Sun., 07 Apr. 0.0319 0.0279 0.0295
20:01-21:00, Sun., 07 Apr. 0.0311 0.0266 0.0291
19:01-20:00, Sun., 07 Apr. 0.0303 0.0274 0.0291
18:01-19:00, Sun., 07 Apr. 0.0314 0.0272 0.0289
17:01-18:00, Sun., 07 Apr. 0.0304 0.0273 0.0289
16:01-17:00, Sun., 07 Apr. 0.0310 0.0262 0.0289
15:01-16:00, Sun., 07 Apr. 0.0304 0.0271 0.0287
14:01-15:00, Sun., 07 Apr. 0.0306 0.0275 0.0290
13:01-14:00, Sun., 07 Apr. 0.0310 0.0270 0.0289
12:01-13:00, Sun., 07 Apr. 0.0321 0.0270 0.0291
11:01-12:00, Sun., 07 Apr. 0.0315 0.0272 0.0293
10:01-11:00, Sun., 07 Apr. 0.0310 0.0277 0.0295
09:01-10:00, Sun., 07 Apr. 0.0317 0.0277 0.0297
08:01-09:00, Sun., 07 Apr. 0.0328 0.0283 0.0298
07:01-08:00, Sun., 07 Apr. 0.0321 0.0283 0.0300
06:01-07:00, Sun., 07 Apr. 0.0323 0.0274 0.0300
05:01-06:00, Sun., 07 Apr. 0.0324 0.0281 0.0299
04:01-05:00, Sun., 07 Apr. 0.0312 0.0277 0.0296
03:01-04:00, Sun., 07 Apr. 0.0314 0.0281 0.0297
02:01-03:00, Sun., 07 Apr. 0.0315 0.0270 0.0293
01:01-02:00, Sun., 07 Apr. 0.0318 0.0279 0.0294
00:01-01:00, Sun., 07 Apr. 0.0317 0.0272 0.0294
23:01-24:00, Sat., 06 Apr. 0.0312 0.0270 0.0292
22:01-23:00, Sat., 06 Apr. 0.0313 0.0272 0.0292
21:01-22:00, Sat., 06 Apr. 0.0313 0.0274 0.0290
20:01-21:00, Sat., 06 Apr. 0.0308 0.0271 0.0292
19:01-20:00, Sat., 06 Apr. 0.0315 0.0271 0.0290
18:01-19:00, Sat., 06 Apr. 0.0307 0.0268 0.0288
17:01-18:00, Sat., 06 Apr. 0.0312 0.0269 0.0290
16:01-17:00, Sat., 06 Apr. 0.0314 0.0266 0.0288
15:01-16:00, Sat., 06 Apr. 0.0308 0.0268 0.0288
14:01-15:00, Sat., 06 Apr. 0.0306 0.0266 0.0288
13:01-14:00, Sat., 06 Apr. 0.0313 0.0266 0.0289
12:01-13:00, Sat., 06 Apr. 0.0308 0.0274 0.0289
11:01-12:00, Sat., 06 Apr. 0.0308 0.0269 0.0290
10:01-11:00, Sat., 06 Apr. 0.0310 0.0274 0.0292
09:01-10:00, Sat., 06 Apr. 0.0315 0.0271 0.0293
08:01-09:00, Sat., 06 Apr. 0.0313 0.0266 0.0293
07:01-08:00, Sat., 06 Apr. 0.0309 0.0276 0.0291
06:01-07:00, Sat., 06 Apr. 0.0309 0.0278 0.0293
05:01-06:00, Sat., 06 Apr. 0.0306 0.0267 0.0291
04:01-05:00, Sat., 06 Apr. 0.0305 0.0269 0.0290
03:01-04:00, Sat., 06 Apr. 0.0311 0.0271 0.0291
02:01-03:00, Sat., 06 Apr. 0.0314 0.0275 0.0292
01:01-02:00, Sat., 06 Apr. 0.0313 0.0273 0.0292
00:01-01:00, Sat., 06 Apr. 0.0312 0.0277 0.0291
23:01-24:00, Fri., 05 Apr. 0.0310 0.0271 0.0290
22:01-23:00, Fri., 05 Apr. 0.0308 0.0262 0.0291
21:01-22:00, Fri., 05 Apr. 0.0312 0.0275 0.0290
20:01-21:00, Fri., 05 Apr. 0.0312 0.0269 0.0290
19:01-20:00, Fri., 05 Apr. 0.0310 0.0270 0.0289
18:01-19:00, Fri., 05 Apr. 0.0326 0.0274 0.0290
17:01-18:00, Fri., 05 Apr. 0.0315 0.0266 0.0290
16:01-17:00, Fri., 05 Apr. 0.0314 0.0269 0.0288
15:01-16:00, Fri., 05 Apr. 0.0306 0.0266 0.0286
14:01-15:00, Fri., 05 Apr. 0.0307 0.0262 0.0289
13:01-14:00, Fri., 05 Apr. 0.0316 0.0279 0.0292
12:01-13:00, Fri., 05 Apr. 0.0314 0.0275 0.0293
11:01-12:00, Fri., 05 Apr. 0.0319 0.0275 0.0297
10:01-11:00, Fri., 05 Apr. 0.0331 0.0273 0.0297
09:01-10:00, Fri., 05 Apr. 0.0325 0.0290 0.0307
08:01-09:00, Fri., 05 Apr. 0.0335 0.0294 0.0313
07:01-08:00, Fri., 05 Apr. 0.0335 0.0289 0.0314
06:01-07:00, Fri., 05 Apr. 0.0319 0.0281 0.0302
05:01-06:00, Fri., 05 Apr. 0.0328 0.0284 0.0305
04:01-05:00, Fri., 05 Apr. 0.0320 0.0287 0.0303
03:01-04:00, Fri., 05 Apr. 0.0328 0.0287 0.0305
02:01-03:00, Fri., 05 Apr. 0.0324 0.0282 0.0303
01:01-02:00, Fri., 05 Apr. 0.0320 0.0286 0.0305
00:01-01:00, Fri., 05 Apr. 0.0320 0.0271 0.0299
23:01-24:00, Thu., 04 Apr. 0.0310 0.0278 0.0297
22:01-23:00, Thu., 04 Apr. 0.0313 0.0279 0.0296
21:01-22:00, Thu., 04 Apr. 0.0312 0.0275 0.0294
20:01-21:00, Thu., 04 Apr. 0.0309 0.0272 0.0292
19:01-20:00, Thu., 04 Apr. 0.0310 0.0270 0.0290
18:01-19:00, Thu., 04 Apr. 0.0324 0.0273 0.0291
17:01-18:00, Thu., 04 Apr. 0.0322 0.0275 0.0291
16:01-17:00, Thu., 04 Apr. 0.0317 0.0269 0.0288
15:01-16:00, Thu., 04 Apr. 0.0312 0.0277 0.0291
14:01-15:00, Thu., 04 Apr. 0.0310 0.0266 0.0288
13:01-14:00, Thu., 04 Apr. 0.0311 0.0266 0.0287
12:01-13:00, Thu., 04 Apr. 0.0302 0.0266 0.0284
11:01-12:00, Thu., 04 Apr. 0.0313 0.0271 0.0289
10:01-11:00, Thu., 04 Apr. 0.0306 0.0265 0.0289
09:01-10:00, Thu., 04 Apr. 0.0318 0.0269 0.0292
08:01-09:00, Thu., 04 Apr. 0.0325 0.0282 0.0301
07:01-08:00, Thu., 04 Apr. 0.0327 0.0286 0.0308
06:01-07:00, Thu., 04 Apr. 0.0338 0.0294 0.0313
05:01-06:00, Thu., 04 Apr. 0.0335 0.0294 0.0314
04:01-05:00, Thu., 04 Apr. 0.0328 0.0290 0.0309
03:01-04:00, Thu., 04 Apr. 0.0329 0.0292 0.0309
02:01-03:00, Thu., 04 Apr. 0.0321 0.0278 0.0301
01:01-02:00, Thu., 04 Apr. 0.0320 0.0272 0.0298
00:01-01:00, Thu., 04 Apr. 0.0309 0.0274 0.0290
23:01-24:00, Wed., 03 Apr. 0.0304 0.0262 0.0285
22:01-23:00, Wed., 03 Apr. 0.0302 0.0269 0.0287
21:01-22:00, Wed., 03 Apr. 0.0302 0.0263 0.0286
20:01-21:00, Wed., 03 Apr. 0.0307 0.0267 0.0284
19:01-20:00, Wed., 03 Apr. 0.0304 0.0263 0.0283
18:01-19:00, Wed., 03 Apr. 0.0304 0.0265 0.0284
17:01-18:00, Wed., 03 Apr. 0.0299 0.0266 0.0284
16:01-17:00, Wed., 03 Apr. 0.0305 0.0264 0.0283
15:01-16:00, Wed., 03 Apr. 0.0300 0.0268 0.0281
14:01-15:00, Wed., 03 Apr. 0.0300 0.0266 0.0286
13:01-14:00, Wed., 03 Apr. 0.0305 0.0262 0.0285
12:01-13:00, Wed., 03 Apr. 0.0312 0.0265 0.0286
11:01-12:00, Wed., 03 Apr. 0.0304 0.0268 0.0286
10:01-11:00, Wed., 03 Apr. 0.0306 0.0266 0.0287
09:01-10:00, Wed., 03 Apr. 0.0304 0.0256 0.0287
08:01-09:00, Wed., 03 Apr. 0.0314 0.0274 0.0288
07:01-08:00, Wed., 03 Apr. 0.0311 0.0269 0.0286
06:01-07:00, Wed., 03 Apr. 0.0305 0.0273 0.0287
05:01-06:00, Wed., 03 Apr. 0.0302 0.0267 0.0284
04:01-05:00, Wed., 03 Apr. 0.0312 0.0270 0.0289
03:01-04:00, Wed., 03 Apr. 0.0313 0.0266 0.0287
02:01-03:00, Wed., 03 Apr. 0.0305 0.0272 0.0288
01:01-02:00, Wed., 03 Apr. 0.0305 0.0271 0.0287
00:01-01:00, Wed., 03 Apr. 0.0304 0.0274 0.0288
23:01-24:00, Tue., 02 Apr. 0.0307 0.0266 0.0286
22:01-23:00, Tue., 02 Apr. 0.0307 0.0267 0.0287
21:01-22:00, Tue., 02 Apr. 0.0299 0.0270 0.0284
20:01-21:00, Tue., 02 Apr. 0.0308 0.0265 0.0286
19:01-20:00, Tue., 02 Apr. 0.0315 0.0268 0.0285
18:01-19:00, Tue., 02 Apr. 0.0304 0.0267 0.0285
17:01-18:00, Tue., 02 Apr. 0.0307 0.0267 0.0287
16:01-17:00, Tue., 02 Apr. 0.0306 0.0271 0.0290
15:01-16:00, Tue., 02 Apr. 0.0303 0.0270 0.0285
14:01-15:00, Tue., 02 Apr. 0.0307 0.0264 0.0285
13:01-14:00, Tue., 02 Apr. 0.0301 0.0257 0.0285
12:01-13:00, Tue., 02 Apr. 0.0309 0.0272 0.0288
11:01-12:00, Tue., 02 Apr. 0.0314 0.0271 0.0292
10:01-11:00, Tue., 02 Apr. 0.0312 0.0277 0.0294
09:01-10:00, Tue., 02 Apr. 0.0309 0.0274 0.0289
08:01-09:00, Tue., 02 Apr. 0.0311 0.0268 0.0288
07:01-08:00, Tue., 02 Apr. 0.0302 0.0274 0.0288
06:01-07:00, Tue., 02 Apr. 0.0307 0.0266 0.0283
05:01-06:00, Tue., 02 Apr. 0.0309 0.0271 0.0289
04:01-05:00, Tue., 02 Apr. 0.0310 0.0268 0.0288
03:01-04:00, Tue., 02 Apr. 0.0306 0.0271 0.0288
02:01-03:00, Tue., 02 Apr. 0.0321 0.0276 0.0296
01:01-02:00, Tue., 02 Apr. 0.0358 0.0290 0.0323
00:01-01:00, Tue., 02 Apr. 0.0431 0.0340 0.0384
23:01-24:00, Mon., 01 Apr. 0.0416 0.0299 0.0335
22:01-23:00, Mon., 01 Apr. 0.0334 0.0269 0.0297
21:01-22:00, Mon., 01 Apr. 0.0325 0.0269 0.0300
20:01-21:00, Mon., 01 Apr. 0.0357 0.0293 0.0327
19:01-20:00, Mon., 01 Apr. 0.0371 0.0273 0.0300
18:01-19:00, Mon., 01 Apr. 0.0304 0.0269 0.0287
17:01-18:00, Mon., 01 Apr. 0.0307 0.0270 0.0288
16:01-17:00, Mon., 01 Apr. 0.0317 0.0272 0.0293
15:01-16:00, Mon., 01 Apr. 0.0351 0.0289 0.0316
14:01-15:00, Mon., 01 Apr. 0.0442 0.0333 0.0378
13:01-14:00, Mon., 01 Apr. 0.0439 0.0293 0.0370
12:01-13:00, Mon., 01 Apr. 0.0325 0.0272 0.0292
11:01-12:00, Mon., 01 Apr. 0.0311 0.0274 0.0290
10:01-11:00, Mon., 01 Apr. 0.0314 0.0266 0.0289
09:01-10:00, Mon., 01 Apr. 0.0314 0.0264 0.0290
08:01-09:00, Mon., 01 Apr. 0.0313 0.0275 0.0294
07:01-08:00, Mon., 01 Apr. 0.0312 0.0281 0.0296
06:01-07:00, Mon., 01 Apr. 0.0314 0.0288 0.0300
05:01-06:00, Mon., 01 Apr. 0.0322 0.0277 0.0294
04:01-05:00, Mon., 01 Apr. 0.0304 0.0263 0.0289
03:01-04:00, Mon., 01 Apr. 0.0308 0.0271 0.0289
02:01-03:00, Mon., 01 Apr. 0.0309 0.0272 0.0288
01:01-02:00, Mon., 01 Apr. 0.0310 0.0268 0.0291
00:01-01:00, Mon., 01 Apr. 0.0310 0.0265 0.0287