Measurement results by the hour (Chofu) 5 Mar., 2018 - 11 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., 11 Mar. 0.0301 0.0265 0.0284
22:01-23:00, Sun., 11 Mar. 0.0295 0.0264 0.0283
21:01-22:00, Sun., 11 Mar. 0.0303 0.0269 0.0283
20:01-21:00, Sun., 11 Mar. 0.0302 0.0271 0.0284
19:01-20:00, Sun., 11 Mar. 0.0305 0.0268 0.0284
18:01-19:00, Sun., 11 Mar. 0.0304 0.0265 0.0284
17:01-18:00, Sun., 11 Mar. 0.0304 0.0263 0.0280
16:01-17:00, Sun., 11 Mar. 0.0301 0.0266 0.0281
15:01-16:00, Sun., 11 Mar. 0.0293 0.0264 0.0280
14:01-15:00, Sun., 11 Mar. 0.0310 0.0254 0.0280
13:01-14:00, Sun., 11 Mar. 0.0301 0.0261 0.0281
12:01-13:00, Sun., 11 Mar. 0.0296 0.0253 0.0279
11:01-12:00, Sun., 11 Mar. 0.0305 0.0263 0.0281
10:01-11:00, Sun., 11 Mar. 0.0297 0.0261 0.0280
09:01-10:00, Sun., 11 Mar. 0.0301 0.0260 0.0280
08:01-09:00, Sun., 11 Mar. 0.0302 0.0266 0.0282
07:01-08:00, Sun., 11 Mar. 0.0298 0.0265 0.0281
06:01-07:00, Sun., 11 Mar. 0.0296 0.0253 0.0278
05:01-06:00, Sun., 11 Mar. 0.0300 0.0260 0.0281
04:01-05:00, Sun., 11 Mar. 0.0298 0.0260 0.0280
03:01-04:00, Sun., 11 Mar. 0.0299 0.0256 0.0279
02:01-03:00, Sun., 11 Mar. 0.0308 0.0266 0.0282
01:01-02:00, Sun., 11 Mar. 0.0299 0.0260 0.0277
00:01-01:00, Sun., 11 Mar. 0.0295 0.0261 0.0279
23:01-24:00, Sat., 10 Mar. 0.0305 0.0262 0.0281
22:01-23:00, Sat., 10 Mar. 0.0294 0.0261 0.0278
21:01-22:00, Sat., 10 Mar. 0.0303 0.0264 0.0279
20:01-21:00, Sat., 10 Mar. 0.0300 0.0262 0.0278
19:01-20:00, Sat., 10 Mar. 0.0299 0.0259 0.0279
18:01-19:00, Sat., 10 Mar. 0.0304 0.0267 0.0281
17:01-18:00, Sat., 10 Mar. 0.0295 0.0263 0.0278
16:01-17:00, Sat., 10 Mar. 0.0297 0.0258 0.0279
15:01-16:00, Sat., 10 Mar. 0.0299 0.0261 0.0279
14:01-15:00, Sat., 10 Mar. 0.0299 0.0261 0.0280
13:01-14:00, Sat., 10 Mar. 0.0305 0.0262 0.0281
12:01-13:00, Sat., 10 Mar. 0.0300 0.0252 0.0278
11:01-12:00, Sat., 10 Mar. 0.0300 0.0261 0.0280
10:01-11:00, Sat., 10 Mar. 0.0302 0.0263 0.0282
09:01-10:00, Sat., 10 Mar. 0.0305 0.0267 0.0281
08:01-09:00, Sat., 10 Mar. 0.0308 0.0260 0.0284
07:01-08:00, Sat., 10 Mar. 0.0301 0.0269 0.0284
06:01-07:00, Sat., 10 Mar. 0.0310 0.0267 0.0286
05:01-06:00, Sat., 10 Mar. 0.0324 0.0276 0.0300
04:01-05:00, Sat., 10 Mar. 0.0430 0.0309 0.0356
03:01-04:00, Sat., 10 Mar. 0.0499 0.0392 0.0454
02:01-03:00, Sat., 10 Mar. 0.0561 0.0445 0.0509
01:01-02:00, Sat., 10 Mar. 0.0533 0.0382 0.0448
00:01-01:00, Sat., 10 Mar. 0.0458 0.0389 0.0419
23:01-24:00, Fri., 09 Mar. 0.0438 0.0297 0.0358
22:01-23:00, Fri., 09 Mar. 0.0317 0.0271 0.0294
21:01-22:00, Fri., 09 Mar. 0.0311 0.0270 0.0287
20:01-21:00, Fri., 09 Mar. 0.0303 0.0267 0.0285
19:01-20:00, Fri., 09 Mar. 0.0300 0.0267 0.0281
18:01-19:00, Fri., 09 Mar. 0.0291 0.0255 0.0275
17:01-18:00, Fri., 09 Mar. 0.0289 0.0256 0.0274
16:01-17:00, Fri., 09 Mar. 0.0301 0.0251 0.0274
15:01-16:00, Fri., 09 Mar. 0.0303 0.0263 0.0279
14:01-15:00, Fri., 09 Mar. 0.0304 0.0268 0.0286
13:01-14:00, Fri., 09 Mar. 0.0324 0.0280 0.0297
12:01-13:00, Fri., 09 Mar. 0.0314 0.0269 0.0292
11:01-12:00, Fri., 09 Mar. 0.0330 0.0267 0.0295
10:01-11:00, Fri., 09 Mar. 0.0298 0.0259 0.0280
09:01-10:00, Fri., 09 Mar. 0.0309 0.0264 0.0286
08:01-09:00, Fri., 09 Mar. 0.0317 0.0274 0.0296
07:01-08:00, Fri., 09 Mar. 0.0371 0.0299 0.0337
06:01-07:00, Fri., 09 Mar. 0.0386 0.0338 0.0358
05:01-06:00, Fri., 09 Mar. 0.0415 0.0339 0.0370
04:01-05:00, Fri., 09 Mar. 0.0413 0.0349 0.0376
03:01-04:00, Fri., 09 Mar. 0.0452 0.0356 0.0403
02:01-03:00, Fri., 09 Mar. 0.0457 0.0364 0.0398
01:01-02:00, Fri., 09 Mar. 0.0431 0.0364 0.0395
00:01-01:00, Fri., 09 Mar. 0.0447 0.0380 0.0413
23:01-24:00, Thu., 08 Mar. 0.0461 0.0383 0.0423
22:01-23:00, Thu., 08 Mar. 0.0457 0.0399 0.0428
21:01-22:00, Thu., 08 Mar. 0.0445 0.0356 0.0394
20:01-21:00, Thu., 08 Mar. 0.0414 0.0354 0.0373
19:01-20:00, Thu., 08 Mar. 0.0405 0.0349 0.0376
18:01-19:00, Thu., 08 Mar. 0.0458 0.0363 0.0404
17:01-18:00, Thu., 08 Mar. 0.0476 0.0408 0.0444
16:01-17:00, Thu., 08 Mar. 0.0520 0.0430 0.0480
15:01-16:00, Thu., 08 Mar. 0.0520 0.0438 0.0479
14:01-15:00, Thu., 08 Mar. 0.0502 0.0423 0.0464
13:01-14:00, Thu., 08 Mar. 0.0488 0.0412 0.0448
12:01-13:00, Thu., 08 Mar. 0.0475 0.0395 0.0433
11:01-12:00, Thu., 08 Mar. 0.0442 0.0365 0.0404
10:01-11:00, Thu., 08 Mar. 0.0397 0.0337 0.0357
09:01-10:00, Thu., 08 Mar. 0.0392 0.0338 0.0365
08:01-09:00, Thu., 08 Mar. 0.0385 0.0301 0.0332
07:01-08:00, Thu., 08 Mar. 0.0369 0.0292 0.0333
06:01-07:00, Thu., 08 Mar. 0.0334 0.0280 0.0307
05:01-06:00, Thu., 08 Mar. 0.0331 0.0276 0.0303
04:01-05:00, Thu., 08 Mar. 0.0314 0.0270 0.0288
03:01-04:00, Thu., 08 Mar. 0.0307 0.0260 0.0286
02:01-03:00, Thu., 08 Mar. 0.0307 0.0275 0.0290
01:01-02:00, Thu., 08 Mar. 0.0320 0.0275 0.0292
00:01-01:00, Thu., 08 Mar. 0.0320 0.0273 0.0297
23:01-24:00, Wed., 07 Mar. 0.0298 0.0259 0.0280
22:01-23:00, Wed., 07 Mar. 0.0299 0.0265 0.0280
21:01-22:00, Wed., 07 Mar. 0.0298 0.0264 0.0280
20:01-21:00, Wed., 07 Mar. 0.0299 0.0256 0.0280
19:01-20:00, Wed., 07 Mar. 0.0299 0.0264 0.0278
18:01-19:00, Wed., 07 Mar. 0.0295 0.0257 0.0278
17:01-18:00, Wed., 07 Mar. 0.0304 0.0258 0.0278
16:01-17:00, Wed., 07 Mar. 0.0297 0.0260 0.0277
15:01-16:00, Wed., 07 Mar. 0.0295 0.0262 0.0278
14:01-15:00, Wed., 07 Mar. 0.0305 0.0263 0.0280
13:01-14:00, Wed., 07 Mar. 0.0300 0.0258 0.0280
12:01-13:00, Wed., 07 Mar. 0.0302 0.0262 0.0284
11:01-12:00, Wed., 07 Mar. 0.0310 0.0264 0.0282
10:01-11:00, Wed., 07 Mar. 0.0304 0.0265 0.0284
09:01-10:00, Wed., 07 Mar. 0.0300 0.0267 0.0285
08:01-09:00, Wed., 07 Mar. 0.0299 0.0268 0.0285
07:01-08:00, Wed., 07 Mar. 0.0306 0.0271 0.0286
06:01-07:00, Wed., 07 Mar. 0.0312 0.0267 0.0287
05:01-06:00, Wed., 07 Mar. 0.0304 0.0274 0.0288
04:01-05:00, Wed., 07 Mar. 0.0323 0.0265 0.0287
03:01-04:00, Wed., 07 Mar. 0.0314 0.0270 0.0289
02:01-03:00, Wed., 07 Mar. 0.0304 0.0266 0.0286
01:01-02:00, Wed., 07 Mar. 0.0303 0.0271 0.0285
00:01-01:00, Wed., 07 Mar. 0.0304 0.0271 0.0286
23:01-24:00, Tue., 06 Mar. 0.0304 0.0258 0.0281
22:01-23:00, Tue., 06 Mar. 0.0306 0.0261 0.0283
21:01-22:00, Tue., 06 Mar. 0.0301 0.0263 0.0282
20:01-21:00, Tue., 06 Mar. 0.0299 0.0263 0.0283
19:01-20:00, Tue., 06 Mar. 0.0298 0.0253 0.0279
18:01-19:00, Tue., 06 Mar. 0.0294 0.0265 0.0278
17:01-18:00, Tue., 06 Mar. 0.0306 0.0259 0.0277
16:01-17:00, Tue., 06 Mar. 0.0297 0.0260 0.0279
15:01-16:00, Tue., 06 Mar. 0.0298 0.0265 0.0280
14:01-15:00, Tue., 06 Mar. 0.0312 0.0264 0.0282
13:01-14:00, Tue., 06 Mar. 0.0295 0.0264 0.0282
12:01-13:00, Tue., 06 Mar. 0.0302 0.0263 0.0281
11:01-12:00, Tue., 06 Mar. 0.0305 0.0261 0.0282
10:01-11:00, Tue., 06 Mar. 0.0300 0.0266 0.0283
09:01-10:00, Tue., 06 Mar. 0.0300 0.0262 0.0281
08:01-09:00, Tue., 06 Mar. 0.0297 0.0265 0.0282
07:01-08:00, Tue., 06 Mar. 0.0301 0.0267 0.0281
06:01-07:00, Tue., 06 Mar. 0.0296 0.0251 0.0280
05:01-06:00, Tue., 06 Mar. 0.0306 0.0261 0.0285
04:01-05:00, Tue., 06 Mar. 0.0301 0.0262 0.0283
03:01-04:00, Tue., 06 Mar. 0.0310 0.0273 0.0290
02:01-03:00, Tue., 06 Mar. 0.0337 0.0278 0.0309
01:01-02:00, Tue., 06 Mar. 0.0428 0.0318 0.0364
00:01-01:00, Tue., 06 Mar. 0.0442 0.0372 0.0402
23:01-24:00, Mon., 05 Mar. 0.0446 0.0375 0.0410
22:01-23:00, Mon., 05 Mar. 0.0487 0.0365 0.0424
21:01-22:00, Mon., 05 Mar. 0.0378 0.0306 0.0347
20:01-21:00, Mon., 05 Mar. 0.0309 0.0271 0.0288
19:01-20:00, Mon., 05 Mar. 0.0347 0.0275 0.0306
18:01-19:00, Mon., 05 Mar. 0.0429 0.0326 0.0372
17:01-18:00, Mon., 05 Mar. 0.0445 0.0318 0.0378
16:01-17:00, Mon., 05 Mar. 0.0330 0.0277 0.0301
15:01-16:00, Mon., 05 Mar. 0.0356 0.0297 0.0326
14:01-15:00, Mon., 05 Mar. 0.0365 0.0311 0.0335
13:01-14:00, Mon., 05 Mar. 0.0346 0.0305 0.0325
12:01-13:00, Mon., 05 Mar. 0.0344 0.0281 0.0310
11:01-12:00, Mon., 05 Mar. 0.0311 0.0270 0.0291
10:01-11:00, Mon., 05 Mar. 0.0303 0.0263 0.0282
09:01-10:00, Mon., 05 Mar. 0.0309 0.0266 0.0285
08:01-09:00, Mon., 05 Mar. 0.0308 0.0269 0.0288
07:01-08:00, Mon., 05 Mar. 0.0308 0.0277 0.0290
06:01-07:00, Mon., 05 Mar. 0.0306 0.0272 0.0290
05:01-06:00, Mon., 05 Mar. 0.0307 0.0278 0.0290
04:01-05:00, Mon., 05 Mar. 0.0310 0.0269 0.0288
03:01-04:00, Mon., 05 Mar. 0.0300 0.0260 0.0279
02:01-03:00, Mon., 05 Mar. 0.0292 0.0260 0.0279
01:01-02:00, Mon., 05 Mar. 0.0297 0.0269 0.0281
00:01-01:00, Mon., 05 Mar. 0.0300 0.0257 0.0281