Measurement results by the hour (Chofu) 20 Mar., 2017 - 26 Mar., 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., 26 Mar. 0.0383 0.0332 0.0358
22:01-23:00, Sun., 26 Mar. 0.0409 0.0326 0.0366
21:01-22:00, Sun., 26 Mar. 0.0373 0.0298 0.0331
20:01-21:00, Sun., 26 Mar. 0.0346 0.0304 0.0328
19:01-20:00, Sun., 26 Mar. 0.0363 0.0313 0.0340
18:01-19:00, Sun., 26 Mar. 0.0343 0.0287 0.0314
17:01-18:00, Sun., 26 Mar. 0.0354 0.0291 0.0325
16:01-17:00, Sun., 26 Mar. 0.0359 0.0313 0.0338
15:01-16:00, Sun., 26 Mar. 0.0389 0.0317 0.0348
14:01-15:00, Sun., 26 Mar. 0.0397 0.0327 0.0357
13:01-14:00, Sun., 26 Mar. 0.0387 0.0320 0.0354
12:01-13:00, Sun., 26 Mar. 0.0384 0.0320 0.0353
11:01-12:00, Sun., 26 Mar. 0.0342 0.0295 0.0316
10:01-11:00, Sun., 26 Mar. 0.0330 0.0294 0.0313
09:01-10:00, Sun., 26 Mar. 0.0337 0.0294 0.0312
08:01-09:00, Sun., 26 Mar. 0.0328 0.0285 0.0310
07:01-08:00, Sun., 26 Mar. 0.0335 0.0293 0.0318
06:01-07:00, Sun., 26 Mar. 0.0357 0.0306 0.0329
05:01-06:00, Sun., 26 Mar. 0.0355 0.0306 0.0337
04:01-05:00, Sun., 26 Mar. 0.0341 0.0302 0.0320
03:01-04:00, Sun., 26 Mar. 0.0338 0.0294 0.0312
02:01-03:00, Sun., 26 Mar. 0.0329 0.0289 0.0306
01:01-02:00, Sun., 26 Mar. 0.0318 0.0268 0.0293
00:01-01:00, Sun., 26 Mar. 0.0311 0.0270 0.0289
23:01-24:00, Sat., 25 Mar. 0.0305 0.0269 0.0290
22:01-23:00, Sat., 25 Mar. 0.0307 0.0271 0.0288
21:01-22:00, Sat., 25 Mar. 0.0316 0.0267 0.0290
20:01-21:00, Sat., 25 Mar. 0.0308 0.0269 0.0288
19:01-20:00, Sat., 25 Mar. 0.0306 0.0269 0.0289
18:01-19:00, Sat., 25 Mar. 0.0303 0.0264 0.0287
17:01-18:00, Sat., 25 Mar. 0.0314 0.0269 0.0287
16:01-17:00, Sat., 25 Mar. 0.0306 0.0266 0.0286
15:01-16:00, Sat., 25 Mar. 0.0304 0.0270 0.0288
14:01-15:00, Sat., 25 Mar. 0.0311 0.0264 0.0288
13:01-14:00, Sat., 25 Mar. 0.0308 0.0272 0.0289
12:01-13:00, Sat., 25 Mar. 0.0311 0.0268 0.0291
11:01-12:00, Sat., 25 Mar. 0.0315 0.0279 0.0293
10:01-11:00, Sat., 25 Mar. 0.0311 0.0276 0.0291
09:01-10:00, Sat., 25 Mar. 0.0311 0.0277 0.0291
08:01-09:00, Sat., 25 Mar. 0.0316 0.0269 0.0291
07:01-08:00, Sat., 25 Mar. 0.0310 0.0262 0.0293
06:01-07:00, Sat., 25 Mar. 0.0313 0.0273 0.0291
05:01-06:00, Sat., 25 Mar. 0.0307 0.0273 0.0290
04:01-05:00, Sat., 25 Mar. 0.0318 0.0274 0.0292
03:01-04:00, Sat., 25 Mar. 0.0311 0.0276 0.0292
02:01-03:00, Sat., 25 Mar. 0.0310 0.0271 0.0292
01:01-02:00, Sat., 25 Mar. 0.0309 0.0269 0.0291
00:01-01:00, Sat., 25 Mar. 0.0308 0.0272 0.0291
23:01-24:00, Fri., 24 Mar. 0.0308 0.0273 0.0291
22:01-23:00, Fri., 24 Mar. 0.0312 0.0274 0.0290
21:01-22:00, Fri., 24 Mar. 0.0314 0.0273 0.0290
20:01-21:00, Fri., 24 Mar. 0.0308 0.0261 0.0289
19:01-20:00, Fri., 24 Mar. 0.0309 0.0270 0.0287
18:01-19:00, Fri., 24 Mar. 0.0319 0.0262 0.0287
17:01-18:00, Fri., 24 Mar. 0.0308 0.0269 0.0288
16:01-17:00, Fri., 24 Mar. 0.0313 0.0261 0.0287
15:01-16:00, Fri., 24 Mar. 0.0302 0.0269 0.0288
14:01-15:00, Fri., 24 Mar. 0.0303 0.0269 0.0287
13:01-14:00, Fri., 24 Mar. 0.0310 0.0268 0.0288
12:01-13:00, Fri., 24 Mar. 0.0304 0.0269 0.0287
11:01-12:00, Fri., 24 Mar. 0.0307 0.0274 0.0290
10:01-11:00, Fri., 24 Mar. 0.0311 0.0274 0.0292
09:01-10:00, Fri., 24 Mar. 0.0317 0.0273 0.0295
08:01-09:00, Fri., 24 Mar. 0.0316 0.0279 0.0297
07:01-08:00, Fri., 24 Mar. 0.0322 0.0283 0.0300
06:01-07:00, Fri., 24 Mar. 0.0319 0.0279 0.0297
05:01-06:00, Fri., 24 Mar. 0.0325 0.0275 0.0295
04:01-05:00, Fri., 24 Mar. 0.0317 0.0274 0.0294
03:01-04:00, Fri., 24 Mar. 0.0316 0.0274 0.0296
02:01-03:00, Fri., 24 Mar. 0.0315 0.0268 0.0292
01:01-02:00, Fri., 24 Mar. 0.0313 0.0280 0.0297
00:01-01:00, Fri., 24 Mar. 0.0312 0.0270 0.0295
23:01-24:00, Thu., 23 Mar. 0.0315 0.0279 0.0298
22:01-23:00, Thu., 23 Mar. 0.0312 0.0278 0.0294
21:01-22:00, Thu., 23 Mar. 0.0310 0.0273 0.0293
20:01-21:00, Thu., 23 Mar. 0.0309 0.0273 0.0293
19:01-20:00, Thu., 23 Mar. 0.0312 0.0275 0.0291
18:01-19:00, Thu., 23 Mar. 0.0306 0.0273 0.0288
17:01-18:00, Thu., 23 Mar. 0.0307 0.0276 0.0289
16:01-17:00, Thu., 23 Mar. 0.0322 0.0274 0.0296
15:01-16:00, Thu., 23 Mar. 0.0321 0.0273 0.0296
14:01-15:00, Thu., 23 Mar. 0.0309 0.0276 0.0295
13:01-14:00, Thu., 23 Mar. 0.0312 0.0275 0.0293
12:01-13:00, Thu., 23 Mar. 0.0312 0.0271 0.0293
11:01-12:00, Thu., 23 Mar. 0.0311 0.0280 0.0293
10:01-11:00, Thu., 23 Mar. 0.0312 0.0271 0.0295
09:01-10:00, Thu., 23 Mar. 0.0318 0.0274 0.0295
08:01-09:00, Thu., 23 Mar. 0.0318 0.0278 0.0297
07:01-08:00, Thu., 23 Mar. 0.0316 0.0272 0.0294
06:01-07:00, Thu., 23 Mar. 0.0321 0.0284 0.0298
05:01-06:00, Thu., 23 Mar. 0.0312 0.0279 0.0295
04:01-05:00, Thu., 23 Mar. 0.0317 0.0281 0.0295
03:01-04:00, Thu., 23 Mar. 0.0309 0.0280 0.0294
02:01-03:00, Thu., 23 Mar. 0.0312 0.0275 0.0293
01:01-02:00, Thu., 23 Mar. 0.0315 0.0277 0.0291
00:01-01:00, Thu., 23 Mar. 0.0306 0.0272 0.0289
23:01-24:00, Wed., 22 Mar. 0.0310 0.0273 0.0290
22:01-23:00, Wed., 22 Mar. 0.0304 0.0273 0.0289
21:01-22:00, Wed., 22 Mar. 0.0304 0.0263 0.0289
20:01-21:00, Wed., 22 Mar. 0.0307 0.0275 0.0288
19:01-20:00, Wed., 22 Mar. 0.0301 0.0273 0.0288
18:01-19:00, Wed., 22 Mar. 0.0319 0.0269 0.0290
17:01-18:00, Wed., 22 Mar. 0.0300 0.0260 0.0287
16:01-17:00, Wed., 22 Mar. 0.0304 0.0259 0.0287
15:01-16:00, Wed., 22 Mar. 0.0316 0.0273 0.0291
14:01-15:00, Wed., 22 Mar. 0.0311 0.0276 0.0293
13:01-14:00, Wed., 22 Mar. 0.0322 0.0271 0.0293
12:01-13:00, Wed., 22 Mar. 0.0308 0.0274 0.0291
11:01-12:00, Wed., 22 Mar. 0.0308 0.0268 0.0292
10:01-11:00, Wed., 22 Mar. 0.0309 0.0270 0.0292
09:01-10:00, Wed., 22 Mar. 0.0310 0.0275 0.0294
08:01-09:00, Wed., 22 Mar. 0.0312 0.0277 0.0294
07:01-08:00, Wed., 22 Mar. 0.0305 0.0272 0.0289
06:01-07:00, Wed., 22 Mar. 0.0306 0.0268 0.0286
05:01-06:00, Wed., 22 Mar. 0.0315 0.0267 0.0288
04:01-05:00, Wed., 22 Mar. 0.0321 0.0267 0.0290
03:01-04:00, Wed., 22 Mar. 0.0311 0.0271 0.0290
02:01-03:00, Wed., 22 Mar. 0.0308 0.0278 0.0291
01:01-02:00, Wed., 22 Mar. 0.0318 0.0268 0.0292
00:01-01:00, Wed., 22 Mar. 0.0314 0.0270 0.0293
23:01-24:00, Tue., 21 Mar. 0.0316 0.0276 0.0296
22:01-23:00, Tue., 21 Mar. 0.0350 0.0292 0.0317
21:01-22:00, Tue., 21 Mar. 0.0407 0.0328 0.0369
20:01-21:00, Tue., 21 Mar. 0.0405 0.0338 0.0361
19:01-20:00, Tue., 21 Mar. 0.0369 0.0318 0.0343
18:01-19:00, Tue., 21 Mar. 0.0349 0.0310 0.0332
17:01-18:00, Tue., 21 Mar. 0.0402 0.0328 0.0363
16:01-17:00, Tue., 21 Mar. 0.0411 0.0353 0.0377
15:01-16:00, Tue., 21 Mar. 0.0394 0.0340 0.0363
14:01-15:00, Tue., 21 Mar. 0.0383 0.0337 0.0362
13:01-14:00, Tue., 21 Mar. 0.0393 0.0343 0.0365
12:01-13:00, Tue., 21 Mar. 0.0391 0.0330 0.0354
11:01-12:00, Tue., 21 Mar. 0.0385 0.0343 0.0362
10:01-11:00, Tue., 21 Mar. 0.0450 0.0359 0.0400
09:01-10:00, Tue., 21 Mar. 0.0450 0.0384 0.0415
08:01-09:00, Tue., 21 Mar. 0.0448 0.0366 0.0406
07:01-08:00, Tue., 21 Mar. 0.0431 0.0358 0.0389
06:01-07:00, Tue., 21 Mar. 0.0470 0.0374 0.0428
05:01-06:00, Tue., 21 Mar. 0.0466 0.0368 0.0414
04:01-05:00, Tue., 21 Mar. 0.0421 0.0352 0.0372
03:01-04:00, Tue., 21 Mar. 0.0422 0.0330 0.0374
02:01-03:00, Tue., 21 Mar. 0.0336 0.0286 0.0308
01:01-02:00, Tue., 21 Mar. 0.0322 0.0281 0.0298
00:01-01:00, Tue., 21 Mar. 0.0317 0.0274 0.0295
23:01-24:00, Mon., 20 Mar. 0.0317 0.0268 0.0295
22:01-23:00, Mon., 20 Mar. 0.0316 0.0281 0.0297
21:01-22:00, Mon., 20 Mar. 0.0310 0.0275 0.0294
20:01-21:00, Mon., 20 Mar. 0.0314 0.0275 0.0294
19:01-20:00, Mon., 20 Mar. 0.0315 0.0277 0.0294
18:01-19:00, Mon., 20 Mar. 0.0314 0.0269 0.0294
17:01-18:00, Mon., 20 Mar. 0.0313 0.0273 0.0294
16:01-17:00, Mon., 20 Mar. 0.0311 0.0275 0.0291
15:01-16:00, Mon., 20 Mar. 0.0314 0.0275 0.0293
14:01-15:00, Mon., 20 Mar. 0.0315 0.0276 0.0295
13:01-14:00, Mon., 20 Mar. 0.0317 0.0269 0.0296
12:01-13:00, Mon., 20 Mar. 0.0314 0.0284 0.0298
11:01-12:00, Mon., 20 Mar. 0.0316 0.0278 0.0297
10:01-11:00, Mon., 20 Mar. 0.0314 0.0275 0.0298
09:01-10:00, Mon., 20 Mar. 0.0316 0.0276 0.0298
08:01-09:00, Mon., 20 Mar. 0.0329 0.0276 0.0301
07:01-08:00, Mon., 20 Mar. 0.0322 0.0284 0.0301
06:01-07:00, Mon., 20 Mar. 0.0322 0.0287 0.0302
05:01-06:00, Mon., 20 Mar. 0.0317 0.0275 0.0300
04:01-05:00, Mon., 20 Mar. 0.0327 0.0280 0.0299
03:01-04:00, Mon., 20 Mar. 0.0321 0.0279 0.0298
02:01-03:00, Mon., 20 Mar. 0.0316 0.0278 0.0298
01:01-02:00, Mon., 20 Mar. 0.0325 0.0279 0.0296
00:01-01:00, Mon., 20 Mar. 0.0313 0.0278 0.0296