Measurement results by the hour (Chofu) 12 Mar., 2018 - 18 Mar., 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., 18 Mar. 0.0315 0.0272 0.0288
22:01-23:00, Sun., 18 Mar. 0.0302 0.0261 0.0287
21:01-22:00, Sun., 18 Mar. 0.0301 0.0255 0.0284
20:01-21:00, Sun., 18 Mar. 0.0306 0.0270 0.0286
19:01-20:00, Sun., 18 Mar. 0.0299 0.0265 0.0282
18:01-19:00, Sun., 18 Mar. 0.0301 0.0260 0.0280
17:01-18:00, Sun., 18 Mar. 0.0295 0.0261 0.0280
16:01-17:00, Sun., 18 Mar. 0.0305 0.0262 0.0280
15:01-16:00, Sun., 18 Mar. 0.0301 0.0257 0.0281
14:01-15:00, Sun., 18 Mar. 0.0294 0.0259 0.0278
13:01-14:00, Sun., 18 Mar. 0.0302 0.0260 0.0281
12:01-13:00, Sun., 18 Mar. 0.0303 0.0259 0.0280
11:01-12:00, Sun., 18 Mar. 0.0300 0.0261 0.0280
10:01-11:00, Sun., 18 Mar. 0.0307 0.0261 0.0285
09:01-10:00, Sun., 18 Mar. 0.0303 0.0267 0.0285
08:01-09:00, Sun., 18 Mar. 0.0306 0.0271 0.0285
07:01-08:00, Sun., 18 Mar. 0.0303 0.0262 0.0285
06:01-07:00, Sun., 18 Mar. 0.0302 0.0269 0.0286
05:01-06:00, Sun., 18 Mar. 0.0296 0.0267 0.0283
04:01-05:00, Sun., 18 Mar. 0.0301 0.0272 0.0286
03:01-04:00, Sun., 18 Mar. 0.0308 0.0270 0.0286
02:01-03:00, Sun., 18 Mar. 0.0311 0.0261 0.0285
01:01-02:00, Sun., 18 Mar. 0.0300 0.0264 0.0280
00:01-01:00, Sun., 18 Mar. 0.0301 0.0261 0.0278
23:01-24:00, Sat., 17 Mar. 0.0298 0.0260 0.0277
22:01-23:00, Sat., 17 Mar. 0.0305 0.0261 0.0279
21:01-22:00, Sat., 17 Mar. 0.0303 0.0260 0.0278
20:01-21:00, Sat., 17 Mar. 0.0294 0.0265 0.0280
19:01-20:00, Sat., 17 Mar. 0.0297 0.0256 0.0278
18:01-19:00, Sat., 17 Mar. 0.0299 0.0259 0.0279
17:01-18:00, Sat., 17 Mar. 0.0299 0.0251 0.0279
16:01-17:00, Sat., 17 Mar. 0.0304 0.0260 0.0282
15:01-16:00, Sat., 17 Mar. 0.0296 0.0263 0.0282
14:01-15:00, Sat., 17 Mar. 0.0314 0.0261 0.0282
13:01-14:00, Sat., 17 Mar. 0.0299 0.0260 0.0280
12:01-13:00, Sat., 17 Mar. 0.0311 0.0259 0.0282
11:01-12:00, Sat., 17 Mar. 0.0303 0.0267 0.0285
10:01-11:00, Sat., 17 Mar. 0.0299 0.0266 0.0282
09:01-10:00, Sat., 17 Mar. 0.0300 0.0265 0.0283
08:01-09:00, Sat., 17 Mar. 0.0306 0.0267 0.0284
07:01-08:00, Sat., 17 Mar. 0.0304 0.0259 0.0282
06:01-07:00, Sat., 17 Mar. 0.0305 0.0259 0.0282
05:01-06:00, Sat., 17 Mar. 0.0302 0.0266 0.0283
04:01-05:00, Sat., 17 Mar. 0.0299 0.0265 0.0283
03:01-04:00, Sat., 17 Mar. 0.0300 0.0262 0.0282
02:01-03:00, Sat., 17 Mar. 0.0309 0.0260 0.0283
01:01-02:00, Sat., 17 Mar. 0.0303 0.0260 0.0284
00:01-01:00, Sat., 17 Mar. 0.0311 0.0272 0.0289
23:01-24:00, Fri., 16 Mar. 0.0311 0.0277 0.0291
22:01-23:00, Fri., 16 Mar. 0.0323 0.0272 0.0296
21:01-22:00, Fri., 16 Mar. 0.0345 0.0293 0.0317
20:01-21:00, Fri., 16 Mar. 0.0429 0.0328 0.0366
19:01-20:00, Fri., 16 Mar. 0.0452 0.0373 0.0416
18:01-19:00, Fri., 16 Mar. 0.0519 0.0407 0.0472
17:01-18:00, Fri., 16 Mar. 0.0419 0.0286 0.0315
16:01-17:00, Fri., 16 Mar. 0.0325 0.0280 0.0303
15:01-16:00, Fri., 16 Mar. 0.0349 0.0305 0.0324
14:01-15:00, Fri., 16 Mar. 0.0335 0.0285 0.0307
13:01-14:00, Fri., 16 Mar. 0.0332 0.0281 0.0302
12:01-13:00, Fri., 16 Mar. 0.0312 0.0275 0.0296
11:01-12:00, Fri., 16 Mar. 0.0310 0.0273 0.0291
10:01-11:00, Fri., 16 Mar. 0.0299 0.0256 0.0279
09:01-10:00, Fri., 16 Mar. 0.0294 0.0258 0.0278
08:01-09:00, Fri., 16 Mar. 0.0306 0.0254 0.0278
07:01-08:00, Fri., 16 Mar. 0.0301 0.0257 0.0280
06:01-07:00, Fri., 16 Mar. 0.0300 0.0264 0.0280
05:01-06:00, Fri., 16 Mar. 0.0299 0.0257 0.0278
04:01-05:00, Fri., 16 Mar. 0.0299 0.0255 0.0278
03:01-04:00, Fri., 16 Mar. 0.0300 0.0255 0.0280
02:01-03:00, Fri., 16 Mar. 0.0298 0.0258 0.0278
01:01-02:00, Fri., 16 Mar. 0.0299 0.0260 0.0277
00:01-01:00, Fri., 16 Mar. 0.0295 0.0258 0.0278
23:01-24:00, Thu., 15 Mar. 0.0296 0.0262 0.0278
22:01-23:00, Thu., 15 Mar. 0.0299 0.0262 0.0279
21:01-22:00, Thu., 15 Mar. 0.0301 0.0265 0.0281
20:01-21:00, Thu., 15 Mar. 0.0299 0.0258 0.0278
19:01-20:00, Thu., 15 Mar. 0.0308 0.0260 0.0277
18:01-19:00, Thu., 15 Mar. 0.0300 0.0263 0.0279
17:01-18:00, Thu., 15 Mar. 0.0300 0.0261 0.0282
16:01-17:00, Thu., 15 Mar. 0.0300 0.0261 0.0279
15:01-16:00, Thu., 15 Mar. 0.0297 0.0263 0.0280
14:01-15:00, Thu., 15 Mar. 0.0310 0.0260 0.0280
13:01-14:00, Thu., 15 Mar. 0.0316 0.0258 0.0282
12:01-13:00, Thu., 15 Mar. 0.0306 0.0263 0.0280
11:01-12:00, Thu., 15 Mar. 0.0307 0.0264 0.0284
10:01-11:00, Thu., 15 Mar. 0.0310 0.0268 0.0291
09:01-10:00, Thu., 15 Mar. 0.0312 0.0278 0.0295
08:01-09:00, Thu., 15 Mar. 0.0319 0.0280 0.0301
07:01-08:00, Thu., 15 Mar. 0.0330 0.0277 0.0306
06:01-07:00, Thu., 15 Mar. 0.0324 0.0281 0.0301
05:01-06:00, Thu., 15 Mar. 0.0324 0.0281 0.0304
04:01-05:00, Thu., 15 Mar. 0.0329 0.0284 0.0301
03:01-04:00, Thu., 15 Mar. 0.0315 0.0282 0.0299
02:01-03:00, Thu., 15 Mar. 0.0323 0.0278 0.0299
01:01-02:00, Thu., 15 Mar. 0.0328 0.0274 0.0296
00:01-01:00, Thu., 15 Mar. 0.0314 0.0276 0.0296
23:01-24:00, Wed., 14 Mar. 0.0326 0.0281 0.0298
22:01-23:00, Wed., 14 Mar. 0.0319 0.0275 0.0293
21:01-22:00, Wed., 14 Mar. 0.0315 0.0267 0.0290
20:01-21:00, Wed., 14 Mar. 0.0308 0.0269 0.0286
19:01-20:00, Wed., 14 Mar. 0.0306 0.0268 0.0286
18:01-19:00, Wed., 14 Mar. 0.0305 0.0258 0.0283
17:01-18:00, Wed., 14 Mar. 0.0297 0.0258 0.0280
16:01-17:00, Wed., 14 Mar. 0.0296 0.0261 0.0281
15:01-16:00, Wed., 14 Mar. 0.0307 0.0263 0.0283
14:01-15:00, Wed., 14 Mar. 0.0296 0.0263 0.0282
13:01-14:00, Wed., 14 Mar. 0.0300 0.0257 0.0283
12:01-13:00, Wed., 14 Mar. 0.0304 0.0270 0.0287
11:01-12:00, Wed., 14 Mar. 0.0307 0.0270 0.0290
10:01-11:00, Wed., 14 Mar. 0.0328 0.0270 0.0297
09:01-10:00, Wed., 14 Mar. 0.0330 0.0278 0.0301
08:01-09:00, Wed., 14 Mar. 0.0330 0.0285 0.0308
07:01-08:00, Wed., 14 Mar. 0.0320 0.0290 0.0304
06:01-07:00, Wed., 14 Mar. 0.0331 0.0283 0.0305
05:01-06:00, Wed., 14 Mar. 0.0321 0.0289 0.0304
04:01-05:00, Wed., 14 Mar. 0.0325 0.0290 0.0304
03:01-04:00, Wed., 14 Mar. 0.0325 0.0284 0.0301
02:01-03:00, Wed., 14 Mar. 0.0317 0.0283 0.0301
01:01-02:00, Wed., 14 Mar. 0.0324 0.0280 0.0303
00:01-01:00, Wed., 14 Mar. 0.0319 0.0276 0.0299
23:01-24:00, Tue., 13 Mar. 0.0314 0.0272 0.0295
22:01-23:00, Tue., 13 Mar. 0.0312 0.0277 0.0293
21:01-22:00, Tue., 13 Mar. 0.0313 0.0275 0.0292
20:01-21:00, Tue., 13 Mar. 0.0306 0.0263 0.0289
19:01-20:00, Tue., 13 Mar. 0.0311 0.0261 0.0284
18:01-19:00, Tue., 13 Mar. 0.0308 0.0257 0.0285
17:01-18:00, Tue., 13 Mar. 0.0308 0.0269 0.0283
16:01-17:00, Tue., 13 Mar. 0.0308 0.0276 0.0290
15:01-16:00, Tue., 13 Mar. 0.0307 0.0270 0.0288
14:01-15:00, Tue., 13 Mar. 0.0306 0.0260 0.0286
13:01-14:00, Tue., 13 Mar. 0.0308 0.0267 0.0285
12:01-13:00, Tue., 13 Mar. 0.0312 0.0269 0.0289
11:01-12:00, Tue., 13 Mar. 0.0303 0.0266 0.0286
10:01-11:00, Tue., 13 Mar. 0.0306 0.0275 0.0290
09:01-10:00, Tue., 13 Mar. 0.0312 0.0276 0.0293
08:01-09:00, Tue., 13 Mar. 0.0310 0.0270 0.0294
07:01-08:00, Tue., 13 Mar. 0.0317 0.0275 0.0295
06:01-07:00, Tue., 13 Mar. 0.0309 0.0274 0.0294
05:01-06:00, Tue., 13 Mar. 0.0309 0.0276 0.0292
04:01-05:00, Tue., 13 Mar. 0.0316 0.0267 0.0293
03:01-04:00, Tue., 13 Mar. 0.0314 0.0272 0.0290
02:01-03:00, Tue., 13 Mar. 0.0312 0.0275 0.0291
01:01-02:00, Tue., 13 Mar. 0.0310 0.0263 0.0289
00:01-01:00, Tue., 13 Mar. 0.0310 0.0271 0.0295
23:01-24:00, Mon., 12 Mar. 0.0312 0.0271 0.0293
22:01-23:00, Mon., 12 Mar. 0.0299 0.0271 0.0286
21:01-22:00, Mon., 12 Mar. 0.0310 0.0264 0.0283
20:01-21:00, Mon., 12 Mar. 0.0302 0.0259 0.0285
19:01-20:00, Mon., 12 Mar. 0.0303 0.0256 0.0283
18:01-19:00, Mon., 12 Mar. 0.0303 0.0262 0.0281
17:01-18:00, Mon., 12 Mar. 0.0298 0.0260 0.0280
16:01-17:00, Mon., 12 Mar. 0.0302 0.0263 0.0286
15:01-16:00, Mon., 12 Mar. 0.0301 0.0264 0.0283
14:01-15:00, Mon., 12 Mar. 0.0301 0.0269 0.0284
13:01-14:00, Mon., 12 Mar. 0.0299 0.0266 0.0284
12:01-13:00, Mon., 12 Mar. 0.0305 0.0260 0.0284
11:01-12:00, Mon., 12 Mar. 0.0304 0.0262 0.0288
10:01-11:00, Mon., 12 Mar. 0.0310 0.0272 0.0287
09:01-10:00, Mon., 12 Mar. 0.0306 0.0268 0.0286
08:01-09:00, Mon., 12 Mar. 0.0300 0.0263 0.0287
07:01-08:00, Mon., 12 Mar. 0.0306 0.0265 0.0285
06:01-07:00, Mon., 12 Mar. 0.0312 0.0272 0.0288
05:01-06:00, Mon., 12 Mar. 0.0314 0.0266 0.0287
04:01-05:00, Mon., 12 Mar. 0.0309 0.0262 0.0289
03:01-04:00, Mon., 12 Mar. 0.0316 0.0264 0.0287
02:01-03:00, Mon., 12 Mar. 0.0313 0.0269 0.0288
01:01-02:00, Mon., 12 Mar. 0.0304 0.0263 0.0287
00:01-01:00, Mon., 12 Mar. 0.0300 0.0261 0.0285