Measurement results by the hour (Chofu) 24 Jun., 2019 - 30 Jun., 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., 30 Jun. 0.0296 0.0258 0.0272
22:01-23:00, Sun., 30 Jun. 0.0291 0.0253 0.0271
21:01-22:00, Sun., 30 Jun. 0.0292 0.0257 0.0276
20:01-21:00, Sun., 30 Jun. 0.0295 0.0255 0.0276
19:01-20:00, Sun., 30 Jun. 0.0305 0.0257 0.0285
18:01-19:00, Sun., 30 Jun. 0.0360 0.0286 0.0317
17:01-18:00, Sun., 30 Jun. 0.0502 0.0343 0.0416
16:01-17:00, Sun., 30 Jun. 0.0550 0.0441 0.0494
15:01-16:00, Sun., 30 Jun. 0.0552 0.0439 0.0492
14:01-15:00, Sun., 30 Jun. 0.0437 0.0265 0.0308
13:01-14:00, Sun., 30 Jun. 0.0292 0.0254 0.0277
12:01-13:00, Sun., 30 Jun. 0.0288 0.0249 0.0275
11:01-12:00, Sun., 30 Jun. 0.0293 0.0249 0.0274
10:01-11:00, Sun., 30 Jun. 0.0304 0.0258 0.0277
09:01-10:00, Sun., 30 Jun. 0.0302 0.0264 0.0284
08:01-09:00, Sun., 30 Jun. 0.0322 0.0284 0.0298
07:01-08:00, Sun., 30 Jun. 0.0325 0.0288 0.0308
06:01-07:00, Sun., 30 Jun. 0.0332 0.0265 0.0287
05:01-06:00, Sun., 30 Jun. 0.0314 0.0270 0.0296
04:01-05:00, Sun., 30 Jun. 0.0352 0.0288 0.0316
03:01-04:00, Sun., 30 Jun. 0.0434 0.0334 0.0382
02:01-03:00, Sun., 30 Jun. 0.0400 0.0317 0.0348
01:01-02:00, Sun., 30 Jun. 0.0362 0.0299 0.0324
00:01-01:00, Sun., 30 Jun. 0.0412 0.0323 0.0365
23:01-24:00, Sat., 29 Jun. 0.0366 0.0325 0.0349
22:01-23:00, Sat., 29 Jun. 0.0422 0.0351 0.0376
21:01-22:00, Sat., 29 Jun. 0.0442 0.0368 0.0408
20:01-21:00, Sat., 29 Jun. 0.0431 0.0295 0.0368
19:01-20:00, Sat., 29 Jun. 0.0305 0.0259 0.0286
18:01-19:00, Sat., 29 Jun. 0.0317 0.0259 0.0292
17:01-18:00, Sat., 29 Jun. 0.0298 0.0258 0.0277
16:01-17:00, Sat., 29 Jun. 0.0297 0.0261 0.0276
15:01-16:00, Sat., 29 Jun. 0.0291 0.0258 0.0276
14:01-15:00, Sat., 29 Jun. 0.0298 0.0262 0.0280
13:01-14:00, Sat., 29 Jun. 0.0311 0.0268 0.0293
12:01-13:00, Sat., 29 Jun. 0.0315 0.0274 0.0293
11:01-12:00, Sat., 29 Jun. 0.0336 0.0284 0.0310
10:01-11:00, Sat., 29 Jun. 0.0337 0.0290 0.0308
09:01-10:00, Sat., 29 Jun. 0.0305 0.0268 0.0287
08:01-09:00, Sat., 29 Jun. 0.0295 0.0254 0.0273
07:01-08:00, Sat., 29 Jun. 0.0289 0.0259 0.0273
06:01-07:00, Sat., 29 Jun. 0.0301 0.0256 0.0272
05:01-06:00, Sat., 29 Jun. 0.0306 0.0255 0.0279
04:01-05:00, Sat., 29 Jun. 0.0315 0.0268 0.0291
03:01-04:00, Sat., 29 Jun. 0.0338 0.0291 0.0311
02:01-03:00, Sat., 29 Jun. 0.0334 0.0286 0.0312
01:01-02:00, Sat., 29 Jun. 0.0364 0.0285 0.0331
00:01-01:00, Sat., 29 Jun. 0.0300 0.0258 0.0279
23:01-24:00, Fri., 28 Jun. 0.0297 0.0254 0.0274
22:01-23:00, Fri., 28 Jun. 0.0293 0.0259 0.0276
21:01-22:00, Fri., 28 Jun. 0.0309 0.0260 0.0279
20:01-21:00, Fri., 28 Jun. 0.0305 0.0266 0.0283
19:01-20:00, Fri., 28 Jun. 0.0304 0.0256 0.0278
18:01-19:00, Fri., 28 Jun. 0.0301 0.0262 0.0277
17:01-18:00, Fri., 28 Jun. 0.0295 0.0259 0.0276
16:01-17:00, Fri., 28 Jun. 0.0292 0.0245 0.0273
15:01-16:00, Fri., 28 Jun. 0.0293 0.0260 0.0275
14:01-15:00, Fri., 28 Jun. 0.0311 0.0253 0.0275
13:01-14:00, Fri., 28 Jun. 0.0301 0.0264 0.0282
12:01-13:00, Fri., 28 Jun. 0.0300 0.0258 0.0278
11:01-12:00, Fri., 28 Jun. 0.0304 0.0265 0.0283
10:01-11:00, Fri., 28 Jun. 0.0313 0.0262 0.0284
09:01-10:00, Fri., 28 Jun. 0.0314 0.0268 0.0285
08:01-09:00, Fri., 28 Jun. 0.0307 0.0268 0.0288
07:01-08:00, Fri., 28 Jun. 0.0306 0.0253 0.0277
06:01-07:00, Fri., 28 Jun. 0.0295 0.0253 0.0270
05:01-06:00, Fri., 28 Jun. 0.0304 0.0249 0.0273
04:01-05:00, Fri., 28 Jun. 0.0311 0.0253 0.0288
03:01-04:00, Fri., 28 Jun. 0.0313 0.0268 0.0287
02:01-03:00, Fri., 28 Jun. 0.0305 0.0258 0.0279
01:01-02:00, Fri., 28 Jun. 0.0302 0.0256 0.0282
00:01-01:00, Fri., 28 Jun. 0.0314 0.0268 0.0286
23:01-24:00, Thu., 27 Jun. 0.0318 0.0265 0.0290
22:01-23:00, Thu., 27 Jun. 0.0312 0.0264 0.0290
21:01-22:00, Thu., 27 Jun. 0.0301 0.0256 0.0280
20:01-21:00, Thu., 27 Jun. 0.0304 0.0259 0.0277
19:01-20:00, Thu., 27 Jun. 0.0307 0.0263 0.0283
18:01-19:00, Thu., 27 Jun. 0.0302 0.0261 0.0281
17:01-18:00, Thu., 27 Jun. 0.0304 0.0263 0.0278
16:01-17:00, Thu., 27 Jun. 0.0299 0.0251 0.0275
15:01-16:00, Thu., 27 Jun. 0.0292 0.0251 0.0274
14:01-15:00, Thu., 27 Jun. 0.0291 0.0254 0.0274
13:01-14:00, Thu., 27 Jun. 0.0302 0.0262 0.0277
12:01-13:00, Thu., 27 Jun. 0.0296 0.0261 0.0277
11:01-12:00, Thu., 27 Jun. 0.0296 0.0251 0.0277
10:01-11:00, Thu., 27 Jun. 0.0294 0.0256 0.0275
09:01-10:00, Thu., 27 Jun. 0.0292 0.0262 0.0276
08:01-09:00, Thu., 27 Jun. 0.0304 0.0254 0.0277
07:01-08:00, Thu., 27 Jun. 0.0299 0.0257 0.0279
06:01-07:00, Thu., 27 Jun. 0.0303 0.0264 0.0282
05:01-06:00, Thu., 27 Jun. 0.0303 0.0263 0.0288
04:01-05:00, Thu., 27 Jun. 0.0304 0.0256 0.0283
03:01-04:00, Thu., 27 Jun. 0.0308 0.0270 0.0286
02:01-03:00, Thu., 27 Jun. 0.0302 0.0264 0.0282
01:01-02:00, Thu., 27 Jun. 0.0298 0.0259 0.0277
00:01-01:00, Thu., 27 Jun. 0.0294 0.0260 0.0278
23:01-24:00, Wed., 26 Jun. 0.0300 0.0254 0.0278
22:01-23:00, Wed., 26 Jun. 0.0296 0.0255 0.0275
21:01-22:00, Wed., 26 Jun. 0.0291 0.0255 0.0276
20:01-21:00, Wed., 26 Jun. 0.0291 0.0259 0.0276
19:01-20:00, Wed., 26 Jun. 0.0295 0.0258 0.0276
18:01-19:00, Wed., 26 Jun. 0.0292 0.0257 0.0275
17:01-18:00, Wed., 26 Jun. 0.0294 0.0262 0.0278
16:01-17:00, Wed., 26 Jun. 0.0303 0.0262 0.0277
15:01-16:00, Wed., 26 Jun. 0.0306 0.0260 0.0278
14:01-15:00, Wed., 26 Jun. 0.0295 0.0255 0.0275
13:01-14:00, Wed., 26 Jun. 0.0299 0.0258 0.0276
12:01-13:00, Wed., 26 Jun. 0.0287 0.0259 0.0272
11:01-12:00, Wed., 26 Jun. 0.0294 0.0261 0.0276
10:01-11:00, Wed., 26 Jun. 0.0301 0.0259 0.0279
09:01-10:00, Wed., 26 Jun. 0.0297 0.0257 0.0276
08:01-09:00, Wed., 26 Jun. 0.0295 0.0247 0.0272
07:01-08:00, Wed., 26 Jun. 0.0299 0.0259 0.0277
06:01-07:00, Wed., 26 Jun. 0.0300 0.0263 0.0280
05:01-06:00, Wed., 26 Jun. 0.0308 0.0270 0.0289
04:01-05:00, Wed., 26 Jun. 0.0302 0.0259 0.0285
03:01-04:00, Wed., 26 Jun. 0.0292 0.0251 0.0271
02:01-03:00, Wed., 26 Jun. 0.0293 0.0253 0.0272
01:01-02:00, Wed., 26 Jun. 0.0291 0.0254 0.0271
00:01-01:00, Wed., 26 Jun. 0.0293 0.0250 0.0271
23:01-24:00, Tue., 25 Jun. 0.0291 0.0250 0.0271
22:01-23:00, Tue., 25 Jun. 0.0298 0.0245 0.0268
21:01-22:00, Tue., 25 Jun. 0.0297 0.0250 0.0270
20:01-21:00, Tue., 25 Jun. 0.0289 0.0256 0.0271
19:01-20:00, Tue., 25 Jun. 0.0289 0.0252 0.0272
18:01-19:00, Tue., 25 Jun. 0.0285 0.0254 0.0272
17:01-18:00, Tue., 25 Jun. 0.0295 0.0248 0.0271
16:01-17:00, Tue., 25 Jun. 0.0290 0.0248 0.0273
15:01-16:00, Tue., 25 Jun. 0.0290 0.0249 0.0272
14:01-15:00, Tue., 25 Jun. 0.0292 0.0255 0.0272
13:01-14:00, Tue., 25 Jun. 0.0289 0.0247 0.0271
12:01-13:00, Tue., 25 Jun. 0.0288 0.0251 0.0272
11:01-12:00, Tue., 25 Jun. 0.0290 0.0251 0.0269
10:01-11:00, Tue., 25 Jun. 0.0285 0.0247 0.0269
09:01-10:00, Tue., 25 Jun. 0.0291 0.0246 0.0268
08:01-09:00, Tue., 25 Jun. 0.0291 0.0249 0.0269
07:01-08:00, Tue., 25 Jun. 0.0292 0.0250 0.0266
06:01-07:00, Tue., 25 Jun. 0.0291 0.0245 0.0266
05:01-06:00, Tue., 25 Jun. 0.0284 0.0246 0.0264
04:01-05:00, Tue., 25 Jun. 0.0285 0.0248 0.0264
03:01-04:00, Tue., 25 Jun. 0.0280 0.0248 0.0265
02:01-03:00, Tue., 25 Jun. 0.0285 0.0250 0.0267
01:01-02:00, Tue., 25 Jun. 0.0285 0.0252 0.0264
00:01-01:00, Tue., 25 Jun. 0.0281 0.0246 0.0264
23:01-24:00, Mon., 24 Jun. 0.0292 0.0247 0.0264
22:01-23:00, Mon., 24 Jun. 0.0289 0.0245 0.0266
21:01-22:00, Mon., 24 Jun. 0.0297 0.0249 0.0270
20:01-21:00, Mon., 24 Jun. 0.0310 0.0255 0.0280
19:01-20:00, Mon., 24 Jun. 0.0316 0.0252 0.0281
18:01-19:00, Mon., 24 Jun. 0.0285 0.0244 0.0266
17:01-18:00, Mon., 24 Jun. 0.0295 0.0249 0.0269
16:01-17:00, Mon., 24 Jun. 0.0292 0.0253 0.0275
15:01-16:00, Mon., 24 Jun. 0.0322 0.0273 0.0293
14:01-15:00, Mon., 24 Jun. 0.0352 0.0280 0.0318
13:01-14:00, Mon., 24 Jun. 0.0360 0.0260 0.0320
12:01-13:00, Mon., 24 Jun. 0.0314 0.0277 0.0291
11:01-12:00, Mon., 24 Jun. 0.0346 0.0286 0.0314
10:01-11:00, Mon., 24 Jun. 0.0350 0.0313 0.0330
09:01-10:00, Mon., 24 Jun. 0.0371 0.0317 0.0347
08:01-09:00, Mon., 24 Jun. 0.0361 0.0315 0.0338
07:01-08:00, Mon., 24 Jun. 0.0350 0.0300 0.0324
06:01-07:00, Mon., 24 Jun. 0.0339 0.0295 0.0319
05:01-06:00, Mon., 24 Jun. 0.0341 0.0295 0.0316
04:01-05:00, Mon., 24 Jun. 0.0333 0.0298 0.0318
03:01-04:00, Mon., 24 Jun. 0.0352 0.0309 0.0327
02:01-03:00, Mon., 24 Jun. 0.0349 0.0313 0.0330
01:01-02:00, Mon., 24 Jun. 0.0332 0.0270 0.0301
00:01-01:00, Mon., 24 Jun. 0.0287 0.0253 0.0269