Measurement results by the hour (Chofu) 2 Apr., 2018 - 8 Apr., 2018

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., 08 Apr. 0.0319 0.0277 0.0298
22:01-23:00, Sun., 08 Apr. 0.0320 0.0279 0.0298
21:01-22:00, Sun., 08 Apr. 0.0319 0.0278 0.0294
20:01-21:00, Sun., 08 Apr. 0.0318 0.0277 0.0295
19:01-20:00, Sun., 08 Apr. 0.0320 0.0276 0.0296
18:01-19:00, Sun., 08 Apr. 0.0319 0.0272 0.0296
17:01-18:00, Sun., 08 Apr. 0.0317 0.0279 0.0296
16:01-17:00, Sun., 08 Apr. 0.0315 0.0279 0.0297
15:01-16:00, Sun., 08 Apr. 0.0322 0.0280 0.0298
14:01-15:00, Sun., 08 Apr. 0.0316 0.0276 0.0298
13:01-14:00, Sun., 08 Apr. 0.0321 0.0283 0.0299
12:01-13:00, Sun., 08 Apr. 0.0318 0.0270 0.0300
11:01-12:00, Sun., 08 Apr. 0.0321 0.0282 0.0300
10:01-11:00, Sun., 08 Apr. 0.0325 0.0282 0.0300
09:01-10:00, Sun., 08 Apr. 0.0330 0.0289 0.0306
08:01-09:00, Sun., 08 Apr. 0.0326 0.0283 0.0308
07:01-08:00, Sun., 08 Apr. 0.0332 0.0290 0.0307
06:01-07:00, Sun., 08 Apr. 0.0321 0.0284 0.0305
05:01-06:00, Sun., 08 Apr. 0.0331 0.0285 0.0304
04:01-05:00, Sun., 08 Apr. 0.0328 0.0281 0.0304
03:01-04:00, Sun., 08 Apr. 0.0321 0.0285 0.0302
02:01-03:00, Sun., 08 Apr. 0.0322 0.0278 0.0298
01:01-02:00, Sun., 08 Apr. 0.0330 0.0283 0.0304
00:01-01:00, Sun., 08 Apr. 0.0318 0.0287 0.0300
23:01-24:00, Sat., 07 Apr. 0.0313 0.0282 0.0299
22:01-23:00, Sat., 07 Apr. 0.0319 0.0284 0.0303
21:01-22:00, Sat., 07 Apr. 0.0329 0.0288 0.0306
20:01-21:00, Sat., 07 Apr. 0.0329 0.0275 0.0302
19:01-20:00, Sat., 07 Apr. 0.0330 0.0283 0.0300
18:01-19:00, Sat., 07 Apr. 0.0315 0.0279 0.0295
17:01-18:00, Sat., 07 Apr. 0.0306 0.0271 0.0292
16:01-17:00, Sat., 07 Apr. 0.0310 0.0274 0.0295
15:01-16:00, Sat., 07 Apr. 0.0311 0.0277 0.0294
14:01-15:00, Sat., 07 Apr. 0.0314 0.0272 0.0295
13:01-14:00, Sat., 07 Apr. 0.0318 0.0276 0.0291
12:01-13:00, Sat., 07 Apr. 0.0304 0.0272 0.0288
11:01-12:00, Sat., 07 Apr. 0.0313 0.0272 0.0288
10:01-11:00, Sat., 07 Apr. 0.0313 0.0273 0.0291
09:01-10:00, Sat., 07 Apr. 0.0317 0.0277 0.0293
08:01-09:00, Sat., 07 Apr. 0.0311 0.0272 0.0294
07:01-08:00, Sat., 07 Apr. 0.0314 0.0275 0.0292
06:01-07:00, Sat., 07 Apr. 0.0309 0.0274 0.0292
05:01-06:00, Sat., 07 Apr. 0.0313 0.0263 0.0289
04:01-05:00, Sat., 07 Apr. 0.0312 0.0270 0.0291
03:01-04:00, Sat., 07 Apr. 0.0304 0.0267 0.0289
02:01-03:00, Sat., 07 Apr. 0.0318 0.0278 0.0292
01:01-02:00, Sat., 07 Apr. 0.0336 0.0283 0.0308
00:01-01:00, Sat., 07 Apr. 0.0381 0.0316 0.0346
23:01-24:00, Fri., 06 Apr. 0.0387 0.0292 0.0336
22:01-23:00, Fri., 06 Apr. 0.0316 0.0269 0.0296
21:01-22:00, Fri., 06 Apr. 0.0304 0.0268 0.0288
20:01-21:00, Fri., 06 Apr. 0.0310 0.0269 0.0288
19:01-20:00, Fri., 06 Apr. 0.0311 0.0268 0.0286
18:01-19:00, Fri., 06 Apr. 0.0310 0.0267 0.0288
17:01-18:00, Fri., 06 Apr. 0.0319 0.0274 0.0291
16:01-17:00, Fri., 06 Apr. 0.0305 0.0265 0.0288
15:01-16:00, Fri., 06 Apr. 0.0312 0.0263 0.0284
14:01-15:00, Fri., 06 Apr. 0.0307 0.0269 0.0284
13:01-14:00, Fri., 06 Apr. 0.0302 0.0267 0.0286
12:01-13:00, Fri., 06 Apr. 0.0304 0.0265 0.0287
11:01-12:00, Fri., 06 Apr. 0.0304 0.0261 0.0285
10:01-11:00, Fri., 06 Apr. 0.0308 0.0262 0.0287
09:01-10:00, Fri., 06 Apr. 0.0306 0.0267 0.0288
08:01-09:00, Fri., 06 Apr. 0.0305 0.0271 0.0289
07:01-08:00, Fri., 06 Apr. 0.0312 0.0267 0.0287
06:01-07:00, Fri., 06 Apr. 0.0311 0.0271 0.0291
05:01-06:00, Fri., 06 Apr. 0.0317 0.0272 0.0290
04:01-05:00, Fri., 06 Apr. 0.0308 0.0265 0.0290
03:01-04:00, Fri., 06 Apr. 0.0309 0.0270 0.0289
02:01-03:00, Fri., 06 Apr. 0.0310 0.0270 0.0291
01:01-02:00, Fri., 06 Apr. 0.0319 0.0275 0.0296
00:01-01:00, Fri., 06 Apr. 0.0332 0.0287 0.0310
23:01-24:00, Thu., 05 Apr. 0.0336 0.0286 0.0313
22:01-23:00, Thu., 05 Apr. 0.0323 0.0280 0.0301
21:01-22:00, Thu., 05 Apr. 0.0329 0.0285 0.0303
20:01-21:00, Thu., 05 Apr. 0.0325 0.0273 0.0294
19:01-20:00, Thu., 05 Apr. 0.0304 0.0272 0.0292
18:01-19:00, Thu., 05 Apr. 0.0315 0.0273 0.0291
17:01-18:00, Thu., 05 Apr. 0.0306 0.0276 0.0289
16:01-17:00, Thu., 05 Apr. 0.0307 0.0268 0.0290
15:01-16:00, Thu., 05 Apr. 0.0307 0.0270 0.0288
14:01-15:00, Thu., 05 Apr. 0.0318 0.0270 0.0290
13:01-14:00, Thu., 05 Apr. 0.0313 0.0268 0.0290
12:01-13:00, Thu., 05 Apr. 0.0314 0.0267 0.0292
11:01-12:00, Thu., 05 Apr. 0.0313 0.0273 0.0291
10:01-11:00, Thu., 05 Apr. 0.0312 0.0270 0.0292
09:01-10:00, Thu., 05 Apr. 0.0314 0.0273 0.0290
08:01-09:00, Thu., 05 Apr. 0.0309 0.0267 0.0293
07:01-08:00, Thu., 05 Apr. 0.0310 0.0278 0.0293
06:01-07:00, Thu., 05 Apr. 0.0316 0.0272 0.0295
05:01-06:00, Thu., 05 Apr. 0.0307 0.0276 0.0293
04:01-05:00, Thu., 05 Apr. 0.0315 0.0274 0.0291
03:01-04:00, Thu., 05 Apr. 0.0313 0.0270 0.0289
02:01-03:00, Thu., 05 Apr. 0.0312 0.0268 0.0290
01:01-02:00, Thu., 05 Apr. 0.0310 0.0269 0.0291
00:01-01:00, Thu., 05 Apr. 0.0308 0.0274 0.0287
23:01-24:00, Wed., 04 Apr. 0.0305 0.0274 0.0291
22:01-23:00, Wed., 04 Apr. 0.0312 0.0273 0.0292
21:01-22:00, Wed., 04 Apr. 0.0305 0.0272 0.0289
20:01-21:00, Wed., 04 Apr. 0.0306 0.0269 0.0289
19:01-20:00, Wed., 04 Apr. 0.0309 0.0270 0.0287
18:01-19:00, Wed., 04 Apr. 0.0311 0.0269 0.0288
17:01-18:00, Wed., 04 Apr. 0.0314 0.0263 0.0289
16:01-17:00, Wed., 04 Apr. 0.0308 0.0273 0.0290
15:01-16:00, Wed., 04 Apr. 0.0308 0.0270 0.0292
14:01-15:00, Wed., 04 Apr. 0.0310 0.0274 0.0291
13:01-14:00, Wed., 04 Apr. 0.0320 0.0275 0.0293
12:01-13:00, Wed., 04 Apr. 0.0316 0.0272 0.0291
11:01-12:00, Wed., 04 Apr. 0.0316 0.0275 0.0290
10:01-11:00, Wed., 04 Apr. 0.0316 0.0269 0.0289
09:01-10:00, Wed., 04 Apr. 0.0320 0.0278 0.0298
08:01-09:00, Wed., 04 Apr. 0.0331 0.0284 0.0305
07:01-08:00, Wed., 04 Apr. 0.0341 0.0301 0.0318
06:01-07:00, Wed., 04 Apr. 0.0340 0.0302 0.0319
05:01-06:00, Wed., 04 Apr. 0.0341 0.0297 0.0320
04:01-05:00, Wed., 04 Apr. 0.0331 0.0291 0.0314
03:01-04:00, Wed., 04 Apr. 0.0332 0.0294 0.0312
02:01-03:00, Wed., 04 Apr. 0.0319 0.0272 0.0300
01:01-02:00, Wed., 04 Apr. 0.0324 0.0278 0.0299
00:01-01:00, Wed., 04 Apr. 0.0315 0.0274 0.0295
23:01-24:00, Tue., 03 Apr. 0.0317 0.0276 0.0296
22:01-23:00, Tue., 03 Apr. 0.0307 0.0268 0.0289
21:01-22:00, Tue., 03 Apr. 0.0311 0.0274 0.0293
20:01-21:00, Tue., 03 Apr. 0.0312 0.0269 0.0290
19:01-20:00, Tue., 03 Apr. 0.0307 0.0271 0.0288
18:01-19:00, Tue., 03 Apr. 0.0303 0.0267 0.0286
17:01-18:00, Tue., 03 Apr. 0.0312 0.0271 0.0285
16:01-17:00, Tue., 03 Apr. 0.0311 0.0270 0.0287
15:01-16:00, Tue., 03 Apr. 0.0309 0.0259 0.0287
14:01-15:00, Tue., 03 Apr. 0.0309 0.0263 0.0287
13:01-14:00, Tue., 03 Apr. 0.0307 0.0274 0.0289
12:01-13:00, Tue., 03 Apr. 0.0305 0.0265 0.0286
11:01-12:00, Tue., 03 Apr. 0.0314 0.0269 0.0287
10:01-11:00, Tue., 03 Apr. 0.0310 0.0274 0.0289
09:01-10:00, Tue., 03 Apr. 0.0316 0.0270 0.0290
08:01-09:00, Tue., 03 Apr. 0.0313 0.0273 0.0290
07:01-08:00, Tue., 03 Apr. 0.0309 0.0270 0.0292
06:01-07:00, Tue., 03 Apr. 0.0306 0.0274 0.0289
05:01-06:00, Tue., 03 Apr. 0.0302 0.0269 0.0289
04:01-05:00, Tue., 03 Apr. 0.0304 0.0270 0.0290
03:01-04:00, Tue., 03 Apr. 0.0301 0.0265 0.0288
02:01-03:00, Tue., 03 Apr. 0.0311 0.0269 0.0287
01:01-02:00, Tue., 03 Apr. 0.0310 0.0269 0.0287
00:01-01:00, Tue., 03 Apr. 0.0304 0.0260 0.0287
23:01-24:00, Mon., 02 Apr. 0.0301 0.0262 0.0286
22:01-23:00, Mon., 02 Apr. 0.0303 0.0265 0.0286
21:01-22:00, Mon., 02 Apr. 0.0312 0.0269 0.0287
20:01-21:00, Mon., 02 Apr. 0.0309 0.0268 0.0287
19:01-20:00, Mon., 02 Apr. 0.0301 0.0264 0.0284
18:01-19:00, Mon., 02 Apr. 0.0303 0.0271 0.0285
17:01-18:00, Mon., 02 Apr. 0.0305 0.0272 0.0287
16:01-17:00, Mon., 02 Apr. 0.0299 0.0272 0.0285
15:01-16:00, Mon., 02 Apr. 0.0300 0.0265 0.0287
14:01-15:00, Mon., 02 Apr. 0.0303 0.0275 0.0287
13:01-14:00, Mon., 02 Apr. 0.0310 0.0267 0.0288
12:01-13:00, Mon., 02 Apr. 0.0303 0.0271 0.0290
11:01-12:00, Mon., 02 Apr. 0.0309 0.0272 0.0293
10:01-11:00, Mon., 02 Apr. 0.0310 0.0274 0.0292
09:01-10:00, Mon., 02 Apr. 0.0320 0.0278 0.0296
08:01-09:00, Mon., 02 Apr. 0.0322 0.0279 0.0298
07:01-08:00, Mon., 02 Apr. 0.0317 0.0280 0.0298
06:01-07:00, Mon., 02 Apr. 0.0317 0.0277 0.0297
05:01-06:00, Mon., 02 Apr. 0.0311 0.0276 0.0294
04:01-05:00, Mon., 02 Apr. 0.0318 0.0269 0.0294
03:01-04:00, Mon., 02 Apr. 0.0318 0.0275 0.0294
02:01-03:00, Mon., 02 Apr. 0.0320 0.0276 0.0295
01:01-02:00, Mon., 02 Apr. 0.0321 0.0266 0.0288
00:01-01:00, Mon., 02 Apr. 0.0308 0.0269 0.0288