Measurement results by the hour (Chofu) 22 Apr., 2019 - 28 Apr., 2019

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., 28 Apr. 0.0296 0.0262 0.0276
22:01-23:00, Sun., 28 Apr. 0.0294 0.0258 0.0276
21:01-22:00, Sun., 28 Apr. 0.0299 0.0253 0.0275
20:01-21:00, Sun., 28 Apr. 0.0295 0.0254 0.0275
19:01-20:00, Sun., 28 Apr. 0.0293 0.0257 0.0276
18:01-19:00, Sun., 28 Apr. 0.0298 0.0259 0.0278
17:01-18:00, Sun., 28 Apr. 0.0292 0.0260 0.0274
16:01-17:00, Sun., 28 Apr. 0.0301 0.0256 0.0274
15:01-16:00, Sun., 28 Apr. 0.0301 0.0250 0.0274
14:01-15:00, Sun., 28 Apr. 0.0288 0.0254 0.0274
13:01-14:00, Sun., 28 Apr. 0.0293 0.0256 0.0275
12:01-13:00, Sun., 28 Apr. 0.0298 0.0260 0.0275
11:01-12:00, Sun., 28 Apr. 0.0294 0.0262 0.0276
10:01-11:00, Sun., 28 Apr. 0.0293 0.0255 0.0273
09:01-10:00, Sun., 28 Apr. 0.0295 0.0257 0.0276
08:01-09:00, Sun., 28 Apr. 0.0296 0.0246 0.0276
07:01-08:00, Sun., 28 Apr. 0.0300 0.0257 0.0280
06:01-07:00, Sun., 28 Apr. 0.0309 0.0269 0.0285
05:01-06:00, Sun., 28 Apr. 0.0302 0.0266 0.0283
04:01-05:00, Sun., 28 Apr. 0.0300 0.0267 0.0284
03:01-04:00, Sun., 28 Apr. 0.0308 0.0260 0.0285
02:01-03:00, Sun., 28 Apr. 0.0297 0.0260 0.0281
01:01-02:00, Sun., 28 Apr. 0.0300 0.0257 0.0276
00:01-01:00, Sun., 28 Apr. 0.0295 0.0255 0.0277
23:01-24:00, Sat., 27 Apr. 0.0294 0.0255 0.0276
22:01-23:00, Sat., 27 Apr. 0.0293 0.0260 0.0275
21:01-22:00, Sat., 27 Apr. 0.0294 0.0252 0.0272
20:01-21:00, Sat., 27 Apr. 0.0301 0.0254 0.0275
19:01-20:00, Sat., 27 Apr. 0.0292 0.0253 0.0274
18:01-19:00, Sat., 27 Apr. 0.0294 0.0259 0.0274
17:01-18:00, Sat., 27 Apr. 0.0305 0.0260 0.0277
16:01-17:00, Sat., 27 Apr. 0.0300 0.0259 0.0281
15:01-16:00, Sat., 27 Apr. 0.0333 0.0278 0.0302
14:01-15:00, Sat., 27 Apr. 0.0362 0.0288 0.0324
13:01-14:00, Sat., 27 Apr. 0.0307 0.0263 0.0283
12:01-13:00, Sat., 27 Apr. 0.0304 0.0259 0.0279
11:01-12:00, Sat., 27 Apr. 0.0300 0.0255 0.0279
10:01-11:00, Sat., 27 Apr. 0.0300 0.0261 0.0283
09:01-10:00, Sat., 27 Apr. 0.0305 0.0265 0.0284
08:01-09:00, Sat., 27 Apr. 0.0319 0.0257 0.0283
07:01-08:00, Sat., 27 Apr. 0.0326 0.0269 0.0300
06:01-07:00, Sat., 27 Apr. 0.0435 0.0314 0.0360
05:01-06:00, Sat., 27 Apr. 0.0440 0.0369 0.0403
04:01-05:00, Sat., 27 Apr. 0.0429 0.0328 0.0360
03:01-04:00, Sat., 27 Apr. 0.0391 0.0316 0.0347
02:01-03:00, Sat., 27 Apr. 0.0397 0.0300 0.0347
01:01-02:00, Sat., 27 Apr. 0.0341 0.0270 0.0303
00:01-01:00, Sat., 27 Apr. 0.0330 0.0274 0.0292
23:01-24:00, Fri., 26 Apr. 0.0328 0.0291 0.0307
22:01-23:00, Fri., 26 Apr. 0.0311 0.0262 0.0288
21:01-22:00, Fri., 26 Apr. 0.0300 0.0263 0.0281
20:01-21:00, Fri., 26 Apr. 0.0298 0.0260 0.0285
19:01-20:00, Fri., 26 Apr. 0.0304 0.0263 0.0281
18:01-19:00, Fri., 26 Apr. 0.0302 0.0261 0.0282
17:01-18:00, Fri., 26 Apr. 0.0298 0.0265 0.0280
16:01-17:00, Fri., 26 Apr. 0.0305 0.0264 0.0281
15:01-16:00, Fri., 26 Apr. 0.0294 0.0264 0.0281
14:01-15:00, Fri., 26 Apr. 0.0300 0.0261 0.0283
13:01-14:00, Fri., 26 Apr. 0.0297 0.0266 0.0283
12:01-13:00, Fri., 26 Apr. 0.0316 0.0271 0.0293
11:01-12:00, Fri., 26 Apr. 0.0376 0.0296 0.0334
10:01-11:00, Fri., 26 Apr. 0.0459 0.0355 0.0407
09:01-10:00, Fri., 26 Apr. 0.0368 0.0285 0.0316
08:01-09:00, Fri., 26 Apr. 0.0325 0.0278 0.0298
07:01-08:00, Fri., 26 Apr. 0.0321 0.0283 0.0300
06:01-07:00, Fri., 26 Apr. 0.0342 0.0293 0.0321
05:01-06:00, Fri., 26 Apr. 0.0350 0.0287 0.0324
04:01-05:00, Fri., 26 Apr. 0.0341 0.0300 0.0319
03:01-04:00, Fri., 26 Apr. 0.0321 0.0278 0.0296
02:01-03:00, Fri., 26 Apr. 0.0309 0.0268 0.0284
01:01-02:00, Fri., 26 Apr. 0.0298 0.0260 0.0280
00:01-01:00, Fri., 26 Apr. 0.0294 0.0259 0.0279
23:01-24:00, Thu., 25 Apr. 0.0300 0.0259 0.0280
22:01-23:00, Thu., 25 Apr. 0.0301 0.0261 0.0279
21:01-22:00, Thu., 25 Apr. 0.0298 0.0261 0.0276
20:01-21:00, Thu., 25 Apr. 0.0292 0.0259 0.0276
19:01-20:00, Thu., 25 Apr. 0.0290 0.0259 0.0275
18:01-19:00, Thu., 25 Apr. 0.0303 0.0261 0.0278
17:01-18:00, Thu., 25 Apr. 0.0294 0.0260 0.0275
16:01-17:00, Thu., 25 Apr. 0.0299 0.0256 0.0274
15:01-16:00, Thu., 25 Apr. 0.0297 0.0252 0.0275
14:01-15:00, Thu., 25 Apr. 0.0297 0.0257 0.0275
13:01-14:00, Thu., 25 Apr. 0.0307 0.0265 0.0282
12:01-13:00, Thu., 25 Apr. 0.0319 0.0270 0.0293
11:01-12:00, Thu., 25 Apr. 0.0312 0.0266 0.0288
10:01-11:00, Thu., 25 Apr. 0.0293 0.0256 0.0273
09:01-10:00, Thu., 25 Apr. 0.0287 0.0255 0.0273
08:01-09:00, Thu., 25 Apr. 0.0298 0.0257 0.0277
07:01-08:00, Thu., 25 Apr. 0.0297 0.0260 0.0276
06:01-07:00, Thu., 25 Apr. 0.0315 0.0267 0.0289
05:01-06:00, Thu., 25 Apr. 0.0350 0.0277 0.0310
04:01-05:00, Thu., 25 Apr. 0.0412 0.0331 0.0368
03:01-04:00, Thu., 25 Apr. 0.0424 0.0361 0.0393
02:01-03:00, Thu., 25 Apr. 0.0414 0.0316 0.0351
01:01-02:00, Thu., 25 Apr. 0.0337 0.0284 0.0307
00:01-01:00, Thu., 25 Apr. 0.0360 0.0289 0.0327
23:01-24:00, Wed., 24 Apr. 0.0380 0.0321 0.0349
22:01-23:00, Wed., 24 Apr. 0.0385 0.0329 0.0355
21:01-22:00, Wed., 24 Apr. 0.0368 0.0288 0.0319
20:01-21:00, Wed., 24 Apr. 0.0307 0.0259 0.0285
19:01-20:00, Wed., 24 Apr. 0.0306 0.0262 0.0281
18:01-19:00, Wed., 24 Apr. 0.0300 0.0262 0.0282
17:01-18:00, Wed., 24 Apr. 0.0312 0.0269 0.0285
16:01-17:00, Wed., 24 Apr. 0.0303 0.0266 0.0285
15:01-16:00, Wed., 24 Apr. 0.0306 0.0266 0.0283
14:01-15:00, Wed., 24 Apr. 0.0299 0.0262 0.0283
13:01-14:00, Wed., 24 Apr. 0.0309 0.0271 0.0290
12:01-13:00, Wed., 24 Apr. 0.0338 0.0286 0.0311
11:01-12:00, Wed., 24 Apr. 0.0347 0.0297 0.0322
10:01-11:00, Wed., 24 Apr. 0.0318 0.0279 0.0301
09:01-10:00, Wed., 24 Apr. 0.0325 0.0272 0.0292
08:01-09:00, Wed., 24 Apr. 0.0307 0.0266 0.0285
07:01-08:00, Wed., 24 Apr. 0.0312 0.0273 0.0289
06:01-07:00, Wed., 24 Apr. 0.0309 0.0269 0.0289
05:01-06:00, Wed., 24 Apr. 0.0324 0.0276 0.0293
04:01-05:00, Wed., 24 Apr. 0.0308 0.0274 0.0289
03:01-04:00, Wed., 24 Apr. 0.0311 0.0268 0.0288
02:01-03:00, Wed., 24 Apr. 0.0310 0.0272 0.0287
01:01-02:00, Wed., 24 Apr. 0.0311 0.0262 0.0288
00:01-01:00, Wed., 24 Apr. 0.0305 0.0269 0.0287
23:01-24:00, Tue., 23 Apr. 0.0307 0.0260 0.0289
22:01-23:00, Tue., 23 Apr. 0.0315 0.0267 0.0285
21:01-22:00, Tue., 23 Apr. 0.0309 0.0259 0.0287
20:01-21:00, Tue., 23 Apr. 0.0308 0.0263 0.0289
19:01-20:00, Tue., 23 Apr. 0.0302 0.0266 0.0285
18:01-19:00, Tue., 23 Apr. 0.0313 0.0269 0.0286
17:01-18:00, Tue., 23 Apr. 0.0298 0.0263 0.0284
16:01-17:00, Tue., 23 Apr. 0.0302 0.0259 0.0284
15:01-16:00, Tue., 23 Apr. 0.0304 0.0267 0.0286
14:01-15:00, Tue., 23 Apr. 0.0300 0.0269 0.0286
13:01-14:00, Tue., 23 Apr. 0.0313 0.0259 0.0287
12:01-13:00, Tue., 23 Apr. 0.0311 0.0264 0.0286
11:01-12:00, Tue., 23 Apr. 0.0310 0.0267 0.0283
10:01-11:00, Tue., 23 Apr. 0.0301 0.0267 0.0287
09:01-10:00, Tue., 23 Apr. 0.0308 0.0271 0.0287
08:01-09:00, Tue., 23 Apr. 0.0309 0.0267 0.0288
07:01-08:00, Tue., 23 Apr. 0.0307 0.0264 0.0288
06:01-07:00, Tue., 23 Apr. 0.0310 0.0269 0.0291
05:01-06:00, Tue., 23 Apr. 0.0305 0.0272 0.0289
04:01-05:00, Tue., 23 Apr. 0.0316 0.0271 0.0288
03:01-04:00, Tue., 23 Apr. 0.0307 0.0267 0.0289
02:01-03:00, Tue., 23 Apr. 0.0309 0.0275 0.0289
01:01-02:00, Tue., 23 Apr. 0.0305 0.0276 0.0291
00:01-01:00, Tue., 23 Apr. 0.0305 0.0270 0.0289
23:01-24:00, Mon., 22 Apr. 0.0311 0.0266 0.0289
22:01-23:00, Mon., 22 Apr. 0.0313 0.0271 0.0291
21:01-22:00, Mon., 22 Apr. 0.0318 0.0268 0.0291
20:01-21:00, Mon., 22 Apr. 0.0307 0.0270 0.0287
19:01-20:00, Mon., 22 Apr. 0.0317 0.0277 0.0291
18:01-19:00, Mon., 22 Apr. 0.0307 0.0268 0.0286
17:01-18:00, Mon., 22 Apr. 0.0304 0.0264 0.0287
16:01-17:00, Mon., 22 Apr. 0.0304 0.0270 0.0288
15:01-16:00, Mon., 22 Apr. 0.0310 0.0267 0.0288
14:01-15:00, Mon., 22 Apr. 0.0310 0.0268 0.0287
13:01-14:00, Mon., 22 Apr. 0.0311 0.0264 0.0289
12:01-13:00, Mon., 22 Apr. 0.0311 0.0275 0.0289
11:01-12:00, Mon., 22 Apr. 0.0311 0.0271 0.0290
10:01-11:00, Mon., 22 Apr. 0.0305 0.0264 0.0287
09:01-10:00, Mon., 22 Apr. 0.0315 0.0270 0.0289
08:01-09:00, Mon., 22 Apr. 0.0312 0.0272 0.0290
07:01-08:00, Mon., 22 Apr. 0.0307 0.0270 0.0289
06:01-07:00, Mon., 22 Apr. 0.0313 0.0270 0.0288
05:01-06:00, Mon., 22 Apr. 0.0312 0.0262 0.0288
04:01-05:00, Mon., 22 Apr. 0.0314 0.0262 0.0292
03:01-04:00, Mon., 22 Apr. 0.0309 0.0270 0.0288
02:01-03:00, Mon., 22 Apr. 0.0308 0.0267 0.0287
01:01-02:00, Mon., 22 Apr. 0.0312 0.0268 0.0292
00:01-01:00, Mon., 22 Apr. 0.0304 0.0269 0.0287