Measurement results by the hour (Chofu) 14 Aug., 2017 - 20 Aug., 2017

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., 20 Aug. 0.0294 0.0251 0.0276
22:01-23:00, Sun., 20 Aug. 0.0304 0.0256 0.0274
21:01-22:00, Sun., 20 Aug. 0.0295 0.0255 0.0275
20:01-21:00, Sun., 20 Aug. 0.0295 0.0260 0.0276
19:01-20:00, Sun., 20 Aug. 0.0296 0.0254 0.0277
18:01-19:00, Sun., 20 Aug. 0.0293 0.0258 0.0275
17:01-18:00, Sun., 20 Aug. 0.0299 0.0263 0.0277
16:01-17:00, Sun., 20 Aug. 0.0304 0.0260 0.0280
15:01-16:00, Sun., 20 Aug. 0.0294 0.0254 0.0277
14:01-15:00, Sun., 20 Aug. 0.0308 0.0258 0.0279
13:01-14:00, Sun., 20 Aug. 0.0303 0.0261 0.0277
12:01-13:00, Sun., 20 Aug. 0.0303 0.0258 0.0279
11:01-12:00, Sun., 20 Aug. 0.0293 0.0265 0.0278
10:01-11:00, Sun., 20 Aug. 0.0294 0.0252 0.0277
09:01-10:00, Sun., 20 Aug. 0.0294 0.0258 0.0278
08:01-09:00, Sun., 20 Aug. 0.0297 0.0259 0.0276
07:01-08:00, Sun., 20 Aug. 0.0299 0.0259 0.0280
06:01-07:00, Sun., 20 Aug. 0.0303 0.0261 0.0278
05:01-06:00, Sun., 20 Aug. 0.0298 0.0259 0.0278
04:01-05:00, Sun., 20 Aug. 0.0294 0.0261 0.0276
03:01-04:00, Sun., 20 Aug. 0.0305 0.0258 0.0276
02:01-03:00, Sun., 20 Aug. 0.0296 0.0256 0.0277
01:01-02:00, Sun., 20 Aug. 0.0300 0.0261 0.0278
00:01-01:00, Sun., 20 Aug. 0.0327 0.0269 0.0292
23:01-24:00, Sat., 19 Aug. 0.0389 0.0301 0.0335
22:01-23:00, Sat., 19 Aug. 0.0574 0.0367 0.0454
21:01-22:00, Sat., 19 Aug. 0.0625 0.0465 0.0561
20:01-21:00, Sat., 19 Aug. 0.0478 0.0302 0.0362
19:01-20:00, Sat., 19 Aug. 0.0447 0.0338 0.0388
18:01-19:00, Sat., 19 Aug. 0.0461 0.0307 0.0379
17:01-18:00, Sat., 19 Aug. 0.0405 0.0280 0.0349
16:01-17:00, Sat., 19 Aug. 0.0296 0.0260 0.0278
15:01-16:00, Sat., 19 Aug. 0.0293 0.0261 0.0280
14:01-15:00, Sat., 19 Aug. 0.0298 0.0255 0.0278
13:01-14:00, Sat., 19 Aug. 0.0300 0.0268 0.0282
12:01-13:00, Sat., 19 Aug. 0.0305 0.0263 0.0282
11:01-12:00, Sat., 19 Aug. 0.0300 0.0252 0.0281
10:01-11:00, Sat., 19 Aug. 0.0308 0.0262 0.0283
09:01-10:00, Sat., 19 Aug. 0.0301 0.0251 0.0280
08:01-09:00, Sat., 19 Aug. 0.0306 0.0265 0.0284
07:01-08:00, Sat., 19 Aug. 0.0299 0.0260 0.0283
06:01-07:00, Sat., 19 Aug. 0.0306 0.0264 0.0284
05:01-06:00, Sat., 19 Aug. 0.0302 0.0265 0.0286
04:01-05:00, Sat., 19 Aug. 0.0300 0.0265 0.0283
03:01-04:00, Sat., 19 Aug. 0.0308 0.0260 0.0286
02:01-03:00, Sat., 19 Aug. 0.0310 0.0270 0.0289
01:01-02:00, Sat., 19 Aug. 0.0313 0.0269 0.0288
00:01-01:00, Sat., 19 Aug. 0.0306 0.0264 0.0283
23:01-24:00, Fri., 18 Aug. 0.0298 0.0262 0.0281
22:01-23:00, Fri., 18 Aug. 0.0303 0.0260 0.0280
21:01-22:00, Fri., 18 Aug. 0.0302 0.0261 0.0280
20:01-21:00, Fri., 18 Aug. 0.0300 0.0263 0.0282
19:01-20:00, Fri., 18 Aug. 0.0299 0.0251 0.0280
18:01-19:00, Fri., 18 Aug. 0.0305 0.0266 0.0280
17:01-18:00, Fri., 18 Aug. 0.0297 0.0258 0.0280
16:01-17:00, Fri., 18 Aug. 0.0307 0.0263 0.0283
15:01-16:00, Fri., 18 Aug. 0.0328 0.0278 0.0293
14:01-15:00, Fri., 18 Aug. 0.0340 0.0282 0.0315
13:01-14:00, Fri., 18 Aug. 0.0314 0.0267 0.0287
12:01-13:00, Fri., 18 Aug. 0.0304 0.0262 0.0280
11:01-12:00, Fri., 18 Aug. 0.0294 0.0261 0.0275
10:01-11:00, Fri., 18 Aug. 0.0294 0.0257 0.0275
09:01-10:00, Fri., 18 Aug. 0.0289 0.0259 0.0274
08:01-09:00, Fri., 18 Aug. 0.0291 0.0254 0.0274
07:01-08:00, Fri., 18 Aug. 0.0299 0.0260 0.0278
06:01-07:00, Fri., 18 Aug. 0.0290 0.0259 0.0276
05:01-06:00, Fri., 18 Aug. 0.0293 0.0254 0.0276
04:01-05:00, Fri., 18 Aug. 0.0295 0.0258 0.0277
03:01-04:00, Fri., 18 Aug. 0.0301 0.0256 0.0275
02:01-03:00, Fri., 18 Aug. 0.0289 0.0255 0.0276
01:01-02:00, Fri., 18 Aug. 0.0290 0.0253 0.0273
00:01-01:00, Fri., 18 Aug. 0.0296 0.0257 0.0274
23:01-24:00, Thu., 17 Aug. 0.0297 0.0253 0.0274
22:01-23:00, Thu., 17 Aug. 0.0291 0.0253 0.0275
21:01-22:00, Thu., 17 Aug. 0.0294 0.0257 0.0274
20:01-21:00, Thu., 17 Aug. 0.0294 0.0256 0.0272
19:01-20:00, Thu., 17 Aug. 0.0291 0.0259 0.0274
18:01-19:00, Thu., 17 Aug. 0.0287 0.0253 0.0273
17:01-18:00, Thu., 17 Aug. 0.0291 0.0258 0.0274
16:01-17:00, Thu., 17 Aug. 0.0293 0.0254 0.0274
15:01-16:00, Thu., 17 Aug. 0.0289 0.0258 0.0275
14:01-15:00, Thu., 17 Aug. 0.0292 0.0257 0.0273
13:01-14:00, Thu., 17 Aug. 0.0295 0.0250 0.0274
12:01-13:00, Thu., 17 Aug. 0.0291 0.0250 0.0272
11:01-12:00, Thu., 17 Aug. 0.0293 0.0249 0.0274
10:01-11:00, Thu., 17 Aug. 0.0293 0.0248 0.0272
09:01-10:00, Thu., 17 Aug. 0.0290 0.0248 0.0273
08:01-09:00, Thu., 17 Aug. 0.0293 0.0258 0.0274
07:01-08:00, Thu., 17 Aug. 0.0288 0.0260 0.0273
06:01-07:00, Thu., 17 Aug. 0.0297 0.0257 0.0278
05:01-06:00, Thu., 17 Aug. 0.0300 0.0265 0.0279
04:01-05:00, Thu., 17 Aug. 0.0299 0.0269 0.0283
03:01-04:00, Thu., 17 Aug. 0.0312 0.0267 0.0284
02:01-03:00, Thu., 17 Aug. 0.0297 0.0254 0.0281
01:01-02:00, Thu., 17 Aug. 0.0311 0.0273 0.0293
00:01-01:00, Thu., 17 Aug. 0.0319 0.0283 0.0301
23:01-24:00, Wed., 16 Aug. 0.0305 0.0275 0.0290
22:01-23:00, Wed., 16 Aug. 0.0310 0.0259 0.0286
21:01-22:00, Wed., 16 Aug. 0.0307 0.0269 0.0284
20:01-21:00, Wed., 16 Aug. 0.0308 0.0266 0.0291
19:01-20:00, Wed., 16 Aug. 0.0327 0.0285 0.0306
18:01-19:00, Wed., 16 Aug. 0.0337 0.0277 0.0307
17:01-18:00, Wed., 16 Aug. 0.0311 0.0270 0.0290
16:01-17:00, Wed., 16 Aug. 0.0328 0.0285 0.0306
15:01-16:00, Wed., 16 Aug. 0.0339 0.0295 0.0318
14:01-15:00, Wed., 16 Aug. 0.0328 0.0283 0.0306
13:01-14:00, Wed., 16 Aug. 0.0342 0.0285 0.0314
12:01-13:00, Wed., 16 Aug. 0.0370 0.0305 0.0338
11:01-12:00, Wed., 16 Aug. 0.0345 0.0276 0.0317
10:01-11:00, Wed., 16 Aug. 0.0357 0.0310 0.0332
09:01-10:00, Wed., 16 Aug. 0.0343 0.0295 0.0319
08:01-09:00, Wed., 16 Aug. 0.0344 0.0293 0.0314
07:01-08:00, Wed., 16 Aug. 0.0340 0.0286 0.0309
06:01-07:00, Wed., 16 Aug. 0.0327 0.0291 0.0310
05:01-06:00, Wed., 16 Aug. 0.0329 0.0277 0.0300
04:01-05:00, Wed., 16 Aug. 0.0322 0.0279 0.0299
03:01-04:00, Wed., 16 Aug. 0.0298 0.0261 0.0280
02:01-03:00, Wed., 16 Aug. 0.0297 0.0263 0.0282
01:01-02:00, Wed., 16 Aug. 0.0296 0.0257 0.0278
00:01-01:00, Wed., 16 Aug. 0.0293 0.0259 0.0275
23:01-24:00, Tue., 15 Aug. 0.0299 0.0259 0.0281
22:01-23:00, Tue., 15 Aug. 0.0300 0.0262 0.0279
21:01-22:00, Tue., 15 Aug. 0.0300 0.0259 0.0277
20:01-21:00, Tue., 15 Aug. 0.0312 0.0266 0.0287
19:01-20:00, Tue., 15 Aug. 0.0351 0.0271 0.0317
18:01-19:00, Tue., 15 Aug. 0.0443 0.0338 0.0386
17:01-18:00, Tue., 15 Aug. 0.0506 0.0410 0.0447
16:01-17:00, Tue., 15 Aug. 0.0443 0.0311 0.0383
15:01-16:00, Tue., 15 Aug. 0.0314 0.0275 0.0297
14:01-15:00, Tue., 15 Aug. 0.0339 0.0277 0.0312
13:01-14:00, Tue., 15 Aug. 0.0368 0.0318 0.0348
12:01-13:00, Tue., 15 Aug. 0.0355 0.0272 0.0307
11:01-12:00, Tue., 15 Aug. 0.0324 0.0269 0.0300
10:01-11:00, Tue., 15 Aug. 0.0368 0.0310 0.0340
09:01-10:00, Tue., 15 Aug. 0.0351 0.0260 0.0305
08:01-09:00, Tue., 15 Aug. 0.0290 0.0254 0.0274
07:01-08:00, Tue., 15 Aug. 0.0294 0.0258 0.0277
06:01-07:00, Tue., 15 Aug. 0.0307 0.0264 0.0285
05:01-06:00, Tue., 15 Aug. 0.0309 0.0273 0.0293
04:01-05:00, Tue., 15 Aug. 0.0312 0.0277 0.0296
03:01-04:00, Tue., 15 Aug. 0.0321 0.0258 0.0299
02:01-03:00, Tue., 15 Aug. 0.0308 0.0267 0.0285
01:01-02:00, Tue., 15 Aug. 0.0309 0.0274 0.0291
00:01-01:00, Tue., 15 Aug. 0.0320 0.0272 0.0290
23:01-24:00, Mon., 14 Aug. 0.0350 0.0290 0.0323
22:01-23:00, Mon., 14 Aug. 0.0359 0.0275 0.0305
21:01-22:00, Mon., 14 Aug. 0.0297 0.0256 0.0276
20:01-21:00, Mon., 14 Aug. 0.0294 0.0257 0.0278
19:01-20:00, Mon., 14 Aug. 0.0301 0.0262 0.0281
18:01-19:00, Mon., 14 Aug. 0.0299 0.0251 0.0276
17:01-18:00, Mon., 14 Aug. 0.0294 0.0251 0.0276
16:01-17:00, Mon., 14 Aug. 0.0292 0.0258 0.0275
15:01-16:00, Mon., 14 Aug. 0.0297 0.0253 0.0274
14:01-15:00, Mon., 14 Aug. 0.0289 0.0257 0.0273
13:01-14:00, Mon., 14 Aug. 0.0293 0.0255 0.0273
12:01-13:00, Mon., 14 Aug. 0.0298 0.0258 0.0276
11:01-12:00, Mon., 14 Aug. 0.0300 0.0259 0.0281
10:01-11:00, Mon., 14 Aug. 0.0308 0.0269 0.0288
09:01-10:00, Mon., 14 Aug. 0.0310 0.0257 0.0289
08:01-09:00, Mon., 14 Aug. 0.0300 0.0255 0.0276
07:01-08:00, Mon., 14 Aug. 0.0294 0.0256 0.0276
06:01-07:00, Mon., 14 Aug. 0.0308 0.0264 0.0282
05:01-06:00, Mon., 14 Aug. 0.0354 0.0278 0.0314
04:01-05:00, Mon., 14 Aug. 0.0437 0.0332 0.0373
03:01-04:00, Mon., 14 Aug. 0.0434 0.0322 0.0364
02:01-03:00, Mon., 14 Aug. 0.0451 0.0313 0.0392
01:01-02:00, Mon., 14 Aug. 0.0332 0.0274 0.0299
00:01-01:00, Mon., 14 Aug. 0.0306 0.0261 0.0285