Measurement results by the hour (Chofu) 25 Mar., 2019 - 31 Mar., 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., 31 Mar. 0.0306 0.0272 0.0289
22:01-23:00, Sun., 31 Mar. 0.0305 0.0260 0.0286
21:01-22:00, Sun., 31 Mar. 0.0301 0.0265 0.0285
20:01-21:00, Sun., 31 Mar. 0.0304 0.0266 0.0286
19:01-20:00, Sun., 31 Mar. 0.0308 0.0268 0.0285
18:01-19:00, Sun., 31 Mar. 0.0316 0.0264 0.0288
17:01-18:00, Sun., 31 Mar. 0.0320 0.0268 0.0290
16:01-17:00, Sun., 31 Mar. 0.0307 0.0275 0.0290
15:01-16:00, Sun., 31 Mar. 0.0311 0.0265 0.0290
14:01-15:00, Sun., 31 Mar. 0.0313 0.0270 0.0288
13:01-14:00, Sun., 31 Mar. 0.0312 0.0269 0.0290
12:01-13:00, Sun., 31 Mar. 0.0308 0.0266 0.0291
11:01-12:00, Sun., 31 Mar. 0.0303 0.0271 0.0286
10:01-11:00, Sun., 31 Mar. 0.0308 0.0263 0.0285
09:01-10:00, Sun., 31 Mar. 0.0308 0.0268 0.0287
08:01-09:00, Sun., 31 Mar. 0.0309 0.0270 0.0290
07:01-08:00, Sun., 31 Mar. 0.0310 0.0272 0.0292
06:01-07:00, Sun., 31 Mar. 0.0311 0.0269 0.0290
05:01-06:00, Sun., 31 Mar. 0.0309 0.0275 0.0294
04:01-05:00, Sun., 31 Mar. 0.0316 0.0273 0.0294
03:01-04:00, Sun., 31 Mar. 0.0321 0.0286 0.0305
02:01-03:00, Sun., 31 Mar. 0.0362 0.0300 0.0334
01:01-02:00, Sun., 31 Mar. 0.0436 0.0346 0.0383
00:01-01:00, Sun., 31 Mar. 0.0376 0.0287 0.0319
23:01-24:00, Sat., 30 Mar. 0.0329 0.0282 0.0303
22:01-23:00, Sat., 30 Mar. 0.0353 0.0298 0.0320
21:01-22:00, Sat., 30 Mar. 0.0465 0.0342 0.0377
20:01-21:00, Sat., 30 Mar. 0.0434 0.0331 0.0384
19:01-20:00, Sat., 30 Mar. 0.0362 0.0285 0.0316
18:01-19:00, Sat., 30 Mar. 0.0313 0.0273 0.0290
17:01-18:00, Sat., 30 Mar. 0.0313 0.0267 0.0289
16:01-17:00, Sat., 30 Mar. 0.0306 0.0268 0.0288
15:01-16:00, Sat., 30 Mar. 0.0309 0.0270 0.0291
14:01-15:00, Sat., 30 Mar. 0.0315 0.0271 0.0294
13:01-14:00, Sat., 30 Mar. 0.0317 0.0282 0.0298
12:01-13:00, Sat., 30 Mar. 0.0317 0.0281 0.0297
11:01-12:00, Sat., 30 Mar. 0.0325 0.0276 0.0299
10:01-11:00, Sat., 30 Mar. 0.0322 0.0279 0.0295
09:01-10:00, Sat., 30 Mar. 0.0311 0.0273 0.0292
08:01-09:00, Sat., 30 Mar. 0.0325 0.0273 0.0295
07:01-08:00, Sat., 30 Mar. 0.0314 0.0278 0.0295
06:01-07:00, Sat., 30 Mar. 0.0312 0.0269 0.0292
05:01-06:00, Sat., 30 Mar. 0.0315 0.0274 0.0290
04:01-05:00, Sat., 30 Mar. 0.0311 0.0273 0.0293
03:01-04:00, Sat., 30 Mar. 0.0313 0.0283 0.0295
02:01-03:00, Sat., 30 Mar. 0.0308 0.0274 0.0292
01:01-02:00, Sat., 30 Mar. 0.0310 0.0278 0.0292
00:01-01:00, Sat., 30 Mar. 0.0307 0.0270 0.0288
23:01-24:00, Fri., 29 Mar. 0.0310 0.0269 0.0287
22:01-23:00, Fri., 29 Mar. 0.0305 0.0273 0.0288
21:01-22:00, Fri., 29 Mar. 0.0309 0.0271 0.0291
20:01-21:00, Fri., 29 Mar. 0.0307 0.0265 0.0289
19:01-20:00, Fri., 29 Mar. 0.0301 0.0267 0.0285
18:01-19:00, Fri., 29 Mar. 0.0311 0.0266 0.0289
17:01-18:00, Fri., 29 Mar. 0.0307 0.0269 0.0286
16:01-17:00, Fri., 29 Mar. 0.0314 0.0271 0.0289
15:01-16:00, Fri., 29 Mar. 0.0307 0.0268 0.0288
14:01-15:00, Fri., 29 Mar. 0.0314 0.0270 0.0289
13:01-14:00, Fri., 29 Mar. 0.0308 0.0267 0.0287
12:01-13:00, Fri., 29 Mar. 0.0313 0.0264 0.0288
11:01-12:00, Fri., 29 Mar. 0.0317 0.0269 0.0288
10:01-11:00, Fri., 29 Mar. 0.0313 0.0256 0.0289
09:01-10:00, Fri., 29 Mar. 0.0310 0.0273 0.0289
08:01-09:00, Fri., 29 Mar. 0.0305 0.0272 0.0289
07:01-08:00, Fri., 29 Mar. 0.0305 0.0270 0.0288
06:01-07:00, Fri., 29 Mar. 0.0311 0.0265 0.0288
05:01-06:00, Fri., 29 Mar. 0.0313 0.0279 0.0292
04:01-05:00, Fri., 29 Mar. 0.0324 0.0274 0.0292
03:01-04:00, Fri., 29 Mar. 0.0314 0.0275 0.0292
02:01-03:00, Fri., 29 Mar. 0.0310 0.0278 0.0292
01:01-02:00, Fri., 29 Mar. 0.0312 0.0267 0.0289
00:01-01:00, Fri., 29 Mar. 0.0311 0.0274 0.0291
23:01-24:00, Thu., 28 Mar. 0.0313 0.0268 0.0289
22:01-23:00, Thu., 28 Mar. 0.0302 0.0270 0.0288
21:01-22:00, Thu., 28 Mar. 0.0310 0.0272 0.0289
20:01-21:00, Thu., 28 Mar. 0.0310 0.0269 0.0290
19:01-20:00, Thu., 28 Mar. 0.0309 0.0264 0.0288
18:01-19:00, Thu., 28 Mar. 0.0324 0.0274 0.0292
17:01-18:00, Thu., 28 Mar. 0.0310 0.0267 0.0290
16:01-17:00, Thu., 28 Mar. 0.0312 0.0272 0.0292
15:01-16:00, Thu., 28 Mar. 0.0317 0.0275 0.0295
14:01-15:00, Thu., 28 Mar. 0.0316 0.0273 0.0296
13:01-14:00, Thu., 28 Mar. 0.0315 0.0278 0.0298
12:01-13:00, Thu., 28 Mar. 0.0320 0.0269 0.0295
11:01-12:00, Thu., 28 Mar. 0.0314 0.0273 0.0292
10:01-11:00, Thu., 28 Mar. 0.0314 0.0271 0.0293
09:01-10:00, Thu., 28 Mar. 0.0317 0.0265 0.0292
08:01-09:00, Thu., 28 Mar. 0.0312 0.0269 0.0291
07:01-08:00, Thu., 28 Mar. 0.0312 0.0275 0.0293
06:01-07:00, Thu., 28 Mar. 0.0310 0.0273 0.0293
05:01-06:00, Thu., 28 Mar. 0.0312 0.0266 0.0293
04:01-05:00, Thu., 28 Mar. 0.0310 0.0275 0.0292
03:01-04:00, Thu., 28 Mar. 0.0321 0.0272 0.0291
02:01-03:00, Thu., 28 Mar. 0.0312 0.0268 0.0292
01:01-02:00, Thu., 28 Mar. 0.0313 0.0276 0.0293
00:01-01:00, Thu., 28 Mar. 0.0307 0.0267 0.0290
23:01-24:00, Wed., 27 Mar. 0.0310 0.0268 0.0292
22:01-23:00, Wed., 27 Mar. 0.0311 0.0271 0.0291
21:01-22:00, Wed., 27 Mar. 0.0318 0.0261 0.0291
20:01-21:00, Wed., 27 Mar. 0.0310 0.0266 0.0290
19:01-20:00, Wed., 27 Mar. 0.0309 0.0268 0.0288
18:01-19:00, Wed., 27 Mar. 0.0306 0.0259 0.0288
17:01-18:00, Wed., 27 Mar. 0.0309 0.0271 0.0287
16:01-17:00, Wed., 27 Mar. 0.0306 0.0265 0.0286
15:01-16:00, Wed., 27 Mar. 0.0301 0.0261 0.0289
14:01-15:00, Wed., 27 Mar. 0.0315 0.0274 0.0293
13:01-14:00, Wed., 27 Mar. 0.0311 0.0272 0.0291
12:01-13:00, Wed., 27 Mar. 0.0311 0.0268 0.0290
11:01-12:00, Wed., 27 Mar. 0.0307 0.0274 0.0290
10:01-11:00, Wed., 27 Mar. 0.0310 0.0273 0.0290
09:01-10:00, Wed., 27 Mar. 0.0313 0.0266 0.0291
08:01-09:00, Wed., 27 Mar. 0.0316 0.0282 0.0293
07:01-08:00, Wed., 27 Mar. 0.0310 0.0271 0.0291
06:01-07:00, Wed., 27 Mar. 0.0318 0.0273 0.0290
05:01-06:00, Wed., 27 Mar. 0.0315 0.0270 0.0291
04:01-05:00, Wed., 27 Mar. 0.0310 0.0273 0.0289
03:01-04:00, Wed., 27 Mar. 0.0311 0.0271 0.0290
02:01-03:00, Wed., 27 Mar. 0.0303 0.0269 0.0287
01:01-02:00, Wed., 27 Mar. 0.0316 0.0271 0.0290
00:01-01:00, Wed., 27 Mar. 0.0311 0.0275 0.0293
23:01-24:00, Tue., 26 Mar. 0.0310 0.0272 0.0291
22:01-23:00, Tue., 26 Mar. 0.0309 0.0263 0.0290
21:01-22:00, Tue., 26 Mar. 0.0309 0.0266 0.0289
20:01-21:00, Tue., 26 Mar. 0.0307 0.0269 0.0289
19:01-20:00, Tue., 26 Mar. 0.0309 0.0271 0.0289
18:01-19:00, Tue., 26 Mar. 0.0315 0.0273 0.0290
17:01-18:00, Tue., 26 Mar. 0.0310 0.0264 0.0291
16:01-17:00, Tue., 26 Mar. 0.0314 0.0272 0.0291
15:01-16:00, Tue., 26 Mar. 0.0311 0.0276 0.0293
14:01-15:00, Tue., 26 Mar. 0.0311 0.0270 0.0291
13:01-14:00, Tue., 26 Mar. 0.0315 0.0275 0.0294
12:01-13:00, Tue., 26 Mar. 0.0316 0.0275 0.0297
11:01-12:00, Tue., 26 Mar. 0.0317 0.0281 0.0300
10:01-11:00, Tue., 26 Mar. 0.0327 0.0281 0.0306
09:01-10:00, Tue., 26 Mar. 0.0333 0.0279 0.0309
08:01-09:00, Tue., 26 Mar. 0.0323 0.0275 0.0303
07:01-08:00, Tue., 26 Mar. 0.0319 0.0283 0.0298
06:01-07:00, Tue., 26 Mar. 0.0321 0.0275 0.0298
05:01-06:00, Tue., 26 Mar. 0.0320 0.0276 0.0299
04:01-05:00, Tue., 26 Mar. 0.0315 0.0282 0.0299
03:01-04:00, Tue., 26 Mar. 0.0317 0.0277 0.0297
02:01-03:00, Tue., 26 Mar. 0.0313 0.0282 0.0298
01:01-02:00, Tue., 26 Mar. 0.0312 0.0279 0.0295
00:01-01:00, Tue., 26 Mar. 0.0315 0.0272 0.0295
23:01-24:00, Mon., 25 Mar. 0.0318 0.0278 0.0296
22:01-23:00, Mon., 25 Mar. 0.0308 0.0275 0.0293
21:01-22:00, Mon., 25 Mar. 0.0318 0.0273 0.0290
20:01-21:00, Mon., 25 Mar. 0.0309 0.0264 0.0289
19:01-20:00, Mon., 25 Mar. 0.0311 0.0270 0.0290
18:01-19:00, Mon., 25 Mar. 0.0313 0.0270 0.0287
17:01-18:00, Mon., 25 Mar. 0.0306 0.0276 0.0289
16:01-17:00, Mon., 25 Mar. 0.0313 0.0273 0.0288
15:01-16:00, Mon., 25 Mar. 0.0309 0.0271 0.0287
14:01-15:00, Mon., 25 Mar. 0.0307 0.0271 0.0288
13:01-14:00, Mon., 25 Mar. 0.0310 0.0270 0.0288
12:01-13:00, Mon., 25 Mar. 0.0328 0.0269 0.0290
11:01-12:00, Mon., 25 Mar. 0.0307 0.0273 0.0286
10:01-11:00, Mon., 25 Mar. 0.0309 0.0261 0.0288
09:01-10:00, Mon., 25 Mar. 0.0310 0.0274 0.0291
08:01-09:00, Mon., 25 Mar. 0.0310 0.0275 0.0293
07:01-08:00, Mon., 25 Mar. 0.0313 0.0271 0.0296
06:01-07:00, Mon., 25 Mar. 0.0320 0.0276 0.0296
05:01-06:00, Mon., 25 Mar. 0.0310 0.0275 0.0294
04:01-05:00, Mon., 25 Mar. 0.0314 0.0274 0.0296
03:01-04:00, Mon., 25 Mar. 0.0319 0.0274 0.0293
02:01-03:00, Mon., 25 Mar. 0.0307 0.0271 0.0289
01:01-02:00, Mon., 25 Mar. 0.0313 0.0269 0.0291
00:01-01:00, Mon., 25 Mar. 0.0305 0.0266 0.0287