Measurement results by the hour (Chofu) 24 Jul., 2017 - 30 Jul., 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., 30 Jul. 0.0304 0.0267 0.0284
22:01-23:00, Sun., 30 Jul. 0.0308 0.0263 0.0282
21:01-22:00, Sun., 30 Jul. 0.0291 0.0256 0.0277
20:01-21:00, Sun., 30 Jul. 0.0302 0.0258 0.0282
19:01-20:00, Sun., 30 Jul. 0.0301 0.0262 0.0278
18:01-19:00, Sun., 30 Jul. 0.0293 0.0257 0.0275
17:01-18:00, Sun., 30 Jul. 0.0289 0.0259 0.0273
16:01-17:00, Sun., 30 Jul. 0.0288 0.0257 0.0272
15:01-16:00, Sun., 30 Jul. 0.0296 0.0258 0.0274
14:01-15:00, Sun., 30 Jul. 0.0298 0.0257 0.0276
13:01-14:00, Sun., 30 Jul. 0.0291 0.0260 0.0276
12:01-13:00, Sun., 30 Jul. 0.0297 0.0266 0.0281
11:01-12:00, Sun., 30 Jul. 0.0309 0.0266 0.0284
10:01-11:00, Sun., 30 Jul. 0.0311 0.0262 0.0287
09:01-10:00, Sun., 30 Jul. 0.0345 0.0284 0.0311
08:01-09:00, Sun., 30 Jul. 0.0366 0.0310 0.0338
07:01-08:00, Sun., 30 Jul. 0.0363 0.0280 0.0320
06:01-07:00, Sun., 30 Jul. 0.0338 0.0284 0.0313
05:01-06:00, Sun., 30 Jul. 0.0350 0.0306 0.0326
04:01-05:00, Sun., 30 Jul. 0.0361 0.0303 0.0336
03:01-04:00, Sun., 30 Jul. 0.0344 0.0274 0.0303
02:01-03:00, Sun., 30 Jul. 0.0307 0.0265 0.0282
01:01-02:00, Sun., 30 Jul. 0.0304 0.0269 0.0288
00:01-01:00, Sun., 30 Jul. 0.0328 0.0279 0.0299
23:01-24:00, Sat., 29 Jul. 0.0334 0.0294 0.0314
22:01-23:00, Sat., 29 Jul. 0.0345 0.0288 0.0318
21:01-22:00, Sat., 29 Jul. 0.0429 0.0325 0.0361
20:01-21:00, Sat., 29 Jul. 0.0475 0.0399 0.0446
19:01-20:00, Sat., 29 Jul. 0.0525 0.0457 0.0495
18:01-19:00, Sat., 29 Jul. 0.0558 0.0451 0.0514
17:01-18:00, Sat., 29 Jul. 0.0492 0.0360 0.0412
16:01-17:00, Sat., 29 Jul. 0.0401 0.0260 0.0344
15:01-16:00, Sat., 29 Jul. 0.0320 0.0266 0.0289
14:01-15:00, Sat., 29 Jul. 0.0306 0.0272 0.0288
13:01-14:00, Sat., 29 Jul. 0.0309 0.0264 0.0286
12:01-13:00, Sat., 29 Jul. 0.0304 0.0270 0.0285
11:01-12:00, Sat., 29 Jul. 0.0303 0.0265 0.0284
10:01-11:00, Sat., 29 Jul. 0.0298 0.0268 0.0286
09:01-10:00, Sat., 29 Jul. 0.0309 0.0260 0.0285
08:01-09:00, Sat., 29 Jul. 0.0300 0.0267 0.0284
07:01-08:00, Sat., 29 Jul. 0.0324 0.0270 0.0287
06:01-07:00, Sat., 29 Jul. 0.0307 0.0272 0.0288
05:01-06:00, Sat., 29 Jul. 0.0310 0.0273 0.0290
04:01-05:00, Sat., 29 Jul. 0.0310 0.0269 0.0289
03:01-04:00, Sat., 29 Jul. 0.0315 0.0276 0.0291
02:01-03:00, Sat., 29 Jul. 0.0308 0.0268 0.0287
01:01-02:00, Sat., 29 Jul. 0.0305 0.0272 0.0290
00:01-01:00, Sat., 29 Jul. 0.0302 0.0266 0.0288
23:01-24:00, Fri., 28 Jul. 0.0302 0.0271 0.0287
22:01-23:00, Fri., 28 Jul. 0.0310 0.0267 0.0289
21:01-22:00, Fri., 28 Jul. 0.0314 0.0265 0.0286
20:01-21:00, Fri., 28 Jul. 0.0313 0.0267 0.0288
19:01-20:00, Fri., 28 Jul. 0.0303 0.0266 0.0286
18:01-19:00, Fri., 28 Jul. 0.0306 0.0266 0.0285
17:01-18:00, Fri., 28 Jul. 0.0315 0.0266 0.0286
16:01-17:00, Fri., 28 Jul. 0.0307 0.0272 0.0289
15:01-16:00, Fri., 28 Jul. 0.0312 0.0266 0.0288
14:01-15:00, Fri., 28 Jul. 0.0312 0.0271 0.0287
13:01-14:00, Fri., 28 Jul. 0.0309 0.0269 0.0287
12:01-13:00, Fri., 28 Jul. 0.0311 0.0266 0.0287
11:01-12:00, Fri., 28 Jul. 0.0310 0.0269 0.0287
10:01-11:00, Fri., 28 Jul. 0.0300 0.0265 0.0286
09:01-10:00, Fri., 28 Jul. 0.0308 0.0273 0.0290
08:01-09:00, Fri., 28 Jul. 0.0313 0.0274 0.0293
07:01-08:00, Fri., 28 Jul. 0.0314 0.0272 0.0291
06:01-07:00, Fri., 28 Jul. 0.0317 0.0270 0.0293
05:01-06:00, Fri., 28 Jul. 0.0312 0.0273 0.0291
04:01-05:00, Fri., 28 Jul. 0.0309 0.0278 0.0293
03:01-04:00, Fri., 28 Jul. 0.0316 0.0273 0.0295
02:01-03:00, Fri., 28 Jul. 0.0313 0.0275 0.0293
01:01-02:00, Fri., 28 Jul. 0.0305 0.0274 0.0290
00:01-01:00, Fri., 28 Jul. 0.0313 0.0269 0.0291
23:01-24:00, Thu., 27 Jul. 0.0313 0.0272 0.0293
22:01-23:00, Thu., 27 Jul. 0.0320 0.0275 0.0295
21:01-22:00, Thu., 27 Jul. 0.0314 0.0275 0.0293
20:01-21:00, Thu., 27 Jul. 0.0314 0.0269 0.0291
19:01-20:00, Thu., 27 Jul. 0.0304 0.0271 0.0288
18:01-19:00, Thu., 27 Jul. 0.0307 0.0278 0.0293
17:01-18:00, Thu., 27 Jul. 0.0306 0.0271 0.0287
16:01-17:00, Thu., 27 Jul. 0.0313 0.0270 0.0291
15:01-16:00, Thu., 27 Jul. 0.0308 0.0270 0.0287
14:01-15:00, Thu., 27 Jul. 0.0306 0.0273 0.0287
13:01-14:00, Thu., 27 Jul. 0.0310 0.0271 0.0288
12:01-13:00, Thu., 27 Jul. 0.0308 0.0271 0.0288
11:01-12:00, Thu., 27 Jul. 0.0310 0.0275 0.0291
10:01-11:00, Thu., 27 Jul. 0.0339 0.0283 0.0309
09:01-10:00, Thu., 27 Jul. 0.0339 0.0265 0.0317
08:01-09:00, Thu., 27 Jul. 0.0316 0.0275 0.0294
07:01-08:00, Thu., 27 Jul. 0.0323 0.0288 0.0302
06:01-07:00, Thu., 27 Jul. 0.0312 0.0273 0.0293
05:01-06:00, Thu., 27 Jul. 0.0305 0.0268 0.0286
04:01-05:00, Thu., 27 Jul. 0.0311 0.0270 0.0290
03:01-04:00, Thu., 27 Jul. 0.0304 0.0264 0.0287
02:01-03:00, Thu., 27 Jul. 0.0309 0.0265 0.0288
01:01-02:00, Thu., 27 Jul. 0.0312 0.0261 0.0286
00:01-01:00, Thu., 27 Jul. 0.0302 0.0257 0.0284
23:01-24:00, Wed., 26 Jul. 0.0301 0.0262 0.0283
22:01-23:00, Wed., 26 Jul. 0.0305 0.0269 0.0286
21:01-22:00, Wed., 26 Jul. 0.0305 0.0260 0.0284
20:01-21:00, Wed., 26 Jul. 0.0310 0.0272 0.0285
19:01-20:00, Wed., 26 Jul. 0.0302 0.0272 0.0285
18:01-19:00, Wed., 26 Jul. 0.0303 0.0271 0.0289
17:01-18:00, Wed., 26 Jul. 0.0307 0.0268 0.0287
16:01-17:00, Wed., 26 Jul. 0.0312 0.0277 0.0295
15:01-16:00, Wed., 26 Jul. 0.0337 0.0280 0.0308
14:01-15:00, Wed., 26 Jul. 0.0368 0.0311 0.0342
13:01-14:00, Wed., 26 Jul. 0.0436 0.0346 0.0367
12:01-13:00, Wed., 26 Jul. 0.0519 0.0378 0.0445
11:01-12:00, Wed., 26 Jul. 0.0626 0.0470 0.0543
10:01-11:00, Wed., 26 Jul. 0.0797 0.0562 0.0665
09:01-10:00, Wed., 26 Jul. 0.0759 0.0531 0.0659
08:01-09:00, Wed., 26 Jul. 0.0546 0.0291 0.0391
07:01-08:00, Wed., 26 Jul. 0.0336 0.0287 0.0305
06:01-07:00, Wed., 26 Jul. 0.0352 0.0287 0.0322
05:01-06:00, Wed., 26 Jul. 0.0409 0.0322 0.0360
04:01-05:00, Wed., 26 Jul. 0.0386 0.0312 0.0352
03:01-04:00, Wed., 26 Jul. 0.0332 0.0294 0.0311
02:01-03:00, Wed., 26 Jul. 0.0343 0.0292 0.0315
01:01-02:00, Wed., 26 Jul. 0.0339 0.0297 0.0314
00:01-01:00, Wed., 26 Jul. 0.0317 0.0276 0.0298
23:01-24:00, Tue., 25 Jul. 0.0318 0.0278 0.0297
22:01-23:00, Tue., 25 Jul. 0.0313 0.0279 0.0296
21:01-22:00, Tue., 25 Jul. 0.0318 0.0271 0.0297
20:01-21:00, Tue., 25 Jul. 0.0322 0.0277 0.0299
19:01-20:00, Tue., 25 Jul. 0.0325 0.0284 0.0306
18:01-19:00, Tue., 25 Jul. 0.0319 0.0282 0.0301
17:01-18:00, Tue., 25 Jul. 0.0322 0.0271 0.0299
16:01-17:00, Tue., 25 Jul. 0.0320 0.0280 0.0299
15:01-16:00, Tue., 25 Jul. 0.0320 0.0274 0.0297
14:01-15:00, Tue., 25 Jul. 0.0359 0.0274 0.0299
13:01-14:00, Tue., 25 Jul. 0.0314 0.0280 0.0296
12:01-13:00, Tue., 25 Jul. 0.0317 0.0286 0.0300
11:01-12:00, Tue., 25 Jul. 0.0325 0.0269 0.0297
10:01-11:00, Tue., 25 Jul. 0.0316 0.0282 0.0300
09:01-10:00, Tue., 25 Jul. 0.0315 0.0281 0.0297
08:01-09:00, Tue., 25 Jul. 0.0320 0.0279 0.0297
07:01-08:00, Tue., 25 Jul. 0.0317 0.0281 0.0297
06:01-07:00, Tue., 25 Jul. 0.0317 0.0280 0.0298
05:01-06:00, Tue., 25 Jul. 0.0317 0.0279 0.0297
04:01-05:00, Tue., 25 Jul. 0.0320 0.0279 0.0298
03:01-04:00, Tue., 25 Jul. 0.0318 0.0284 0.0298
02:01-03:00, Tue., 25 Jul. 0.0318 0.0281 0.0298
01:01-02:00, Tue., 25 Jul. 0.0317 0.0286 0.0302
00:01-01:00, Tue., 25 Jul. 0.0327 0.0284 0.0309
23:01-24:00, Mon., 24 Jul. 0.0326 0.0280 0.0298
22:01-23:00, Mon., 24 Jul. 0.0309 0.0282 0.0295
21:01-22:00, Mon., 24 Jul. 0.0316 0.0279 0.0297
20:01-21:00, Mon., 24 Jul. 0.0320 0.0277 0.0297
19:01-20:00, Mon., 24 Jul. 0.0313 0.0267 0.0293
18:01-19:00, Mon., 24 Jul. 0.0319 0.0269 0.0296
17:01-18:00, Mon., 24 Jul. 0.0319 0.0276 0.0296
16:01-17:00, Mon., 24 Jul. 0.0322 0.0271 0.0297
15:01-16:00, Mon., 24 Jul. 0.0312 0.0274 0.0295
14:01-15:00, Mon., 24 Jul. 0.0321 0.0269 0.0296
13:01-14:00, Mon., 24 Jul. 0.0319 0.0281 0.0297
12:01-13:00, Mon., 24 Jul. 0.0316 0.0271 0.0295
11:01-12:00, Mon., 24 Jul. 0.0313 0.0276 0.0294
10:01-11:00, Mon., 24 Jul. 0.0315 0.0278 0.0295
09:01-10:00, Mon., 24 Jul. 0.0312 0.0278 0.0297
08:01-09:00, Mon., 24 Jul. 0.0321 0.0277 0.0294
07:01-08:00, Mon., 24 Jul. 0.0331 0.0289 0.0305
06:01-07:00, Mon., 24 Jul. 0.0335 0.0296 0.0320
05:01-06:00, Mon., 24 Jul. 0.0361 0.0318 0.0341
04:01-05:00, Mon., 24 Jul. 0.0346 0.0280 0.0311
03:01-04:00, Mon., 24 Jul. 0.0305 0.0270 0.0293
02:01-03:00, Mon., 24 Jul. 0.0313 0.0277 0.0291
01:01-02:00, Mon., 24 Jul. 0.0311 0.0274 0.0295
00:01-01:00, Mon., 24 Jul. 0.0317 0.0274 0.0292