Measurement results by the hour (Chofu) 11 Mar., 2019 - 17 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., 17 Mar. 0.0304 0.0267 0.0289
22:01-23:00, Sun., 17 Mar. 0.0306 0.0269 0.0288
21:01-22:00, Sun., 17 Mar. 0.0306 0.0265 0.0289
20:01-21:00, Sun., 17 Mar. 0.0312 0.0263 0.0290
19:01-20:00, Sun., 17 Mar. 0.0320 0.0267 0.0291
18:01-19:00, Sun., 17 Mar. 0.0311 0.0267 0.0287
17:01-18:00, Sun., 17 Mar. 0.0306 0.0271 0.0286
16:01-17:00, Sun., 17 Mar. 0.0304 0.0272 0.0287
15:01-16:00, Sun., 17 Mar. 0.0301 0.0260 0.0282
14:01-15:00, Sun., 17 Mar. 0.0305 0.0268 0.0284
13:01-14:00, Sun., 17 Mar. 0.0304 0.0259 0.0285
12:01-13:00, Sun., 17 Mar. 0.0305 0.0265 0.0283
11:01-12:00, Sun., 17 Mar. 0.0303 0.0268 0.0283
10:01-11:00, Sun., 17 Mar. 0.0303 0.0267 0.0284
09:01-10:00, Sun., 17 Mar. 0.0305 0.0265 0.0285
08:01-09:00, Sun., 17 Mar. 0.0316 0.0274 0.0287
07:01-08:00, Sun., 17 Mar. 0.0328 0.0268 0.0290
06:01-07:00, Sun., 17 Mar. 0.0310 0.0267 0.0287
05:01-06:00, Sun., 17 Mar. 0.0301 0.0265 0.0286
04:01-05:00, Sun., 17 Mar. 0.0306 0.0270 0.0287
03:01-04:00, Sun., 17 Mar. 0.0310 0.0266 0.0286
02:01-03:00, Sun., 17 Mar. 0.0305 0.0269 0.0284
01:01-02:00, Sun., 17 Mar. 0.0302 0.0259 0.0284
00:01-01:00, Sun., 17 Mar. 0.0306 0.0268 0.0286
23:01-24:00, Sat., 16 Mar. 0.0301 0.0260 0.0282
22:01-23:00, Sat., 16 Mar. 0.0304 0.0265 0.0281
21:01-22:00, Sat., 16 Mar. 0.0301 0.0263 0.0280
20:01-21:00, Sat., 16 Mar. 0.0303 0.0264 0.0282
19:01-20:00, Sat., 16 Mar. 0.0297 0.0262 0.0281
18:01-19:00, Sat., 16 Mar. 0.0305 0.0270 0.0287
17:01-18:00, Sat., 16 Mar. 0.0345 0.0280 0.0308
16:01-17:00, Sat., 16 Mar. 0.0392 0.0323 0.0354
15:01-16:00, Sat., 16 Mar. 0.0373 0.0270 0.0297
14:01-15:00, Sat., 16 Mar. 0.0306 0.0270 0.0288
13:01-14:00, Sat., 16 Mar. 0.0308 0.0265 0.0286
12:01-13:00, Sat., 16 Mar. 0.0309 0.0269 0.0286
11:01-12:00, Sat., 16 Mar. 0.0313 0.0272 0.0290
10:01-11:00, Sat., 16 Mar. 0.0311 0.0272 0.0293
09:01-10:00, Sat., 16 Mar. 0.0312 0.0274 0.0293
08:01-09:00, Sat., 16 Mar. 0.0324 0.0281 0.0296
07:01-08:00, Sat., 16 Mar. 0.0316 0.0275 0.0296
06:01-07:00, Sat., 16 Mar. 0.0312 0.0267 0.0291
05:01-06:00, Sat., 16 Mar. 0.0315 0.0271 0.0293
04:01-05:00, Sat., 16 Mar. 0.0316 0.0274 0.0291
03:01-04:00, Sat., 16 Mar. 0.0318 0.0272 0.0292
02:01-03:00, Sat., 16 Mar. 0.0310 0.0269 0.0291
01:01-02:00, Sat., 16 Mar. 0.0309 0.0269 0.0292
00:01-01:00, Sat., 16 Mar. 0.0307 0.0270 0.0290
23:01-24:00, Fri., 15 Mar. 0.0309 0.0269 0.0287
22:01-23:00, Fri., 15 Mar. 0.0301 0.0266 0.0283
21:01-22:00, Fri., 15 Mar. 0.0299 0.0266 0.0283
20:01-21:00, Fri., 15 Mar. 0.0312 0.0262 0.0280
19:01-20:00, Fri., 15 Mar. 0.0300 0.0262 0.0281
18:01-19:00, Fri., 15 Mar. 0.0298 0.0269 0.0282
17:01-18:00, Fri., 15 Mar. 0.0301 0.0267 0.0281
16:01-17:00, Fri., 15 Mar. 0.0304 0.0266 0.0281
15:01-16:00, Fri., 15 Mar. 0.0301 0.0267 0.0285
14:01-15:00, Fri., 15 Mar. 0.0302 0.0263 0.0285
13:01-14:00, Fri., 15 Mar. 0.0306 0.0262 0.0282
12:01-13:00, Fri., 15 Mar. 0.0298 0.0263 0.0282
11:01-12:00, Fri., 15 Mar. 0.0304 0.0263 0.0285
10:01-11:00, Fri., 15 Mar. 0.0299 0.0263 0.0286
09:01-10:00, Fri., 15 Mar. 0.0318 0.0268 0.0289
08:01-09:00, Fri., 15 Mar. 0.0311 0.0267 0.0292
07:01-08:00, Fri., 15 Mar. 0.0314 0.0280 0.0297
06:01-07:00, Fri., 15 Mar. 0.0318 0.0284 0.0297
05:01-06:00, Fri., 15 Mar. 0.0319 0.0275 0.0297
04:01-05:00, Fri., 15 Mar. 0.0312 0.0275 0.0295
03:01-04:00, Fri., 15 Mar. 0.0311 0.0264 0.0291
02:01-03:00, Fri., 15 Mar. 0.0313 0.0270 0.0291
01:01-02:00, Fri., 15 Mar. 0.0305 0.0267 0.0286
00:01-01:00, Fri., 15 Mar. 0.0301 0.0263 0.0286
23:01-24:00, Thu., 14 Mar. 0.0304 0.0264 0.0283
22:01-23:00, Thu., 14 Mar. 0.0311 0.0270 0.0285
21:01-22:00, Thu., 14 Mar. 0.0300 0.0266 0.0283
20:01-21:00, Thu., 14 Mar. 0.0299 0.0261 0.0283
19:01-20:00, Thu., 14 Mar. 0.0299 0.0262 0.0283
18:01-19:00, Thu., 14 Mar. 0.0305 0.0262 0.0280
17:01-18:00, Thu., 14 Mar. 0.0296 0.0257 0.0280
16:01-17:00, Thu., 14 Mar. 0.0301 0.0258 0.0281
15:01-16:00, Thu., 14 Mar. 0.0302 0.0270 0.0285
14:01-15:00, Thu., 14 Mar. 0.0303 0.0265 0.0282
13:01-14:00, Thu., 14 Mar. 0.0302 0.0270 0.0285
12:01-13:00, Thu., 14 Mar. 0.0309 0.0270 0.0288
11:01-12:00, Thu., 14 Mar. 0.0304 0.0273 0.0288
10:01-11:00, Thu., 14 Mar. 0.0306 0.0277 0.0290
09:01-10:00, Thu., 14 Mar. 0.0309 0.0269 0.0287
08:01-09:00, Thu., 14 Mar. 0.0303 0.0270 0.0287
07:01-08:00, Thu., 14 Mar. 0.0314 0.0270 0.0288
06:01-07:00, Thu., 14 Mar. 0.0308 0.0271 0.0290
05:01-06:00, Thu., 14 Mar. 0.0310 0.0270 0.0287
04:01-05:00, Thu., 14 Mar. 0.0309 0.0268 0.0286
03:01-04:00, Thu., 14 Mar. 0.0308 0.0265 0.0284
02:01-03:00, Thu., 14 Mar. 0.0304 0.0263 0.0283
01:01-02:00, Thu., 14 Mar. 0.0308 0.0267 0.0283
00:01-01:00, Thu., 14 Mar. 0.0299 0.0263 0.0282
23:01-24:00, Wed., 13 Mar. 0.0302 0.0265 0.0284
22:01-23:00, Wed., 13 Mar. 0.0300 0.0267 0.0283
21:01-22:00, Wed., 13 Mar. 0.0305 0.0261 0.0283
20:01-21:00, Wed., 13 Mar. 0.0303 0.0264 0.0283
19:01-20:00, Wed., 13 Mar. 0.0298 0.0257 0.0279
18:01-19:00, Wed., 13 Mar. 0.0305 0.0261 0.0278
17:01-18:00, Wed., 13 Mar. 0.0318 0.0257 0.0277
16:01-17:00, Wed., 13 Mar. 0.0294 0.0255 0.0278
15:01-16:00, Wed., 13 Mar. 0.0303 0.0259 0.0280
14:01-15:00, Wed., 13 Mar. 0.0298 0.0255 0.0280
13:01-14:00, Wed., 13 Mar. 0.0301 0.0269 0.0287
12:01-13:00, Wed., 13 Mar. 0.0305 0.0266 0.0286
11:01-12:00, Wed., 13 Mar. 0.0312 0.0259 0.0284
10:01-11:00, Wed., 13 Mar. 0.0302 0.0261 0.0282
09:01-10:00, Wed., 13 Mar. 0.0307 0.0269 0.0289
08:01-09:00, Wed., 13 Mar. 0.0305 0.0267 0.0290
07:01-08:00, Wed., 13 Mar. 0.0325 0.0283 0.0298
06:01-07:00, Wed., 13 Mar. 0.0310 0.0278 0.0297
05:01-06:00, Wed., 13 Mar. 0.0315 0.0272 0.0295
04:01-05:00, Wed., 13 Mar. 0.0306 0.0270 0.0285
03:01-04:00, Wed., 13 Mar. 0.0313 0.0266 0.0283
02:01-03:00, Wed., 13 Mar. 0.0297 0.0254 0.0281
01:01-02:00, Wed., 13 Mar. 0.0293 0.0261 0.0280
00:01-01:00, Wed., 13 Mar. 0.0306 0.0265 0.0285
23:01-24:00, Tue., 12 Mar. 0.0302 0.0270 0.0285
22:01-23:00, Tue., 12 Mar. 0.0308 0.0268 0.0285
21:01-22:00, Tue., 12 Mar. 0.0307 0.0258 0.0283
20:01-21:00, Tue., 12 Mar. 0.0310 0.0262 0.0282
19:01-20:00, Tue., 12 Mar. 0.0295 0.0264 0.0279
18:01-19:00, Tue., 12 Mar. 0.0293 0.0262 0.0274
17:01-18:00, Tue., 12 Mar. 0.0300 0.0260 0.0275
16:01-17:00, Tue., 12 Mar. 0.0291 0.0246 0.0275
15:01-16:00, Tue., 12 Mar. 0.0294 0.0262 0.0274
14:01-15:00, Tue., 12 Mar. 0.0305 0.0254 0.0275
13:01-14:00, Tue., 12 Mar. 0.0296 0.0256 0.0276
12:01-13:00, Tue., 12 Mar. 0.0295 0.0259 0.0276
11:01-12:00, Tue., 12 Mar. 0.0298 0.0256 0.0278
10:01-11:00, Tue., 12 Mar. 0.0297 0.0259 0.0282
09:01-10:00, Tue., 12 Mar. 0.0312 0.0272 0.0285
08:01-09:00, Tue., 12 Mar. 0.0312 0.0268 0.0290
07:01-08:00, Tue., 12 Mar. 0.0322 0.0281 0.0295
06:01-07:00, Tue., 12 Mar. 0.0310 0.0275 0.0296
05:01-06:00, Tue., 12 Mar. 0.0305 0.0265 0.0284
04:01-05:00, Tue., 12 Mar. 0.0297 0.0258 0.0278
03:01-04:00, Tue., 12 Mar. 0.0299 0.0260 0.0276
02:01-03:00, Tue., 12 Mar. 0.0299 0.0255 0.0276
01:01-02:00, Tue., 12 Mar. 0.0289 0.0256 0.0274
00:01-01:00, Tue., 12 Mar. 0.0298 0.0258 0.0277
23:01-24:00, Mon., 11 Mar. 0.0297 0.0261 0.0278
22:01-23:00, Mon., 11 Mar. 0.0300 0.0260 0.0277
21:01-22:00, Mon., 11 Mar. 0.0295 0.0254 0.0274
20:01-21:00, Mon., 11 Mar. 0.0297 0.0264 0.0278
19:01-20:00, Mon., 11 Mar. 0.0295 0.0261 0.0277
18:01-19:00, Mon., 11 Mar. 0.0294 0.0258 0.0274
17:01-18:00, Mon., 11 Mar. 0.0290 0.0254 0.0271
16:01-17:00, Mon., 11 Mar. 0.0285 0.0255 0.0269
15:01-16:00, Mon., 11 Mar. 0.0293 0.0255 0.0271
14:01-15:00, Mon., 11 Mar. 0.0288 0.0253 0.0273
13:01-14:00, Mon., 11 Mar. 0.0288 0.0246 0.0271
12:01-13:00, Mon., 11 Mar. 0.0291 0.0254 0.0270
11:01-12:00, Mon., 11 Mar. 0.0295 0.0254 0.0273
10:01-11:00, Mon., 11 Mar. 0.0314 0.0267 0.0288
09:01-10:00, Mon., 11 Mar. 0.0341 0.0286 0.0311
08:01-09:00, Mon., 11 Mar. 0.0354 0.0297 0.0323
07:01-08:00, Mon., 11 Mar. 0.0401 0.0327 0.0358
06:01-07:00, Mon., 11 Mar. 0.0447 0.0363 0.0409
05:01-06:00, Mon., 11 Mar. 0.0438 0.0364 0.0398
04:01-05:00, Mon., 11 Mar. 0.0424 0.0356 0.0384
03:01-04:00, Mon., 11 Mar. 0.0403 0.0352 0.0373
02:01-03:00, Mon., 11 Mar. 0.0404 0.0354 0.0378
01:01-02:00, Mon., 11 Mar. 0.0419 0.0362 0.0385
00:01-01:00, Mon., 11 Mar. 0.0400 0.0346 0.0368