Measurement results by the hour (Chofu) 6 Jan., 2020 - 12 Jan., 2020

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., 12 Jan. 0.0307 0.0268 0.0285
22:01-23:00, Sun., 12 Jan. 0.0312 0.0258 0.0284
21:01-22:00, Sun., 12 Jan. 0.0301 0.0267 0.0285
20:01-21:00, Sun., 12 Jan. 0.0310 0.0262 0.0283
19:01-20:00, Sun., 12 Jan. 0.0301 0.0262 0.0280
18:01-19:00, Sun., 12 Jan. 0.0302 0.0262 0.0281
17:01-18:00, Sun., 12 Jan. 0.0309 0.0267 0.0289
16:01-17:00, Sun., 12 Jan. 0.0322 0.0272 0.0298
15:01-16:00, Sun., 12 Jan. 0.0324 0.0277 0.0300
14:01-15:00, Sun., 12 Jan. 0.0322 0.0281 0.0298
13:01-14:00, Sun., 12 Jan. 0.0312 0.0267 0.0292
12:01-13:00, Sun., 12 Jan. 0.0311 0.0269 0.0288
11:01-12:00, Sun., 12 Jan. 0.0305 0.0266 0.0283
10:01-11:00, Sun., 12 Jan. 0.0308 0.0267 0.0288
09:01-10:00, Sun., 12 Jan. 0.0326 0.0281 0.0301
08:01-09:00, Sun., 12 Jan. 0.0324 0.0279 0.0303
07:01-08:00, Sun., 12 Jan. 0.0319 0.0284 0.0301
06:01-07:00, Sun., 12 Jan. 0.0321 0.0276 0.0302
05:01-06:00, Sun., 12 Jan. 0.0325 0.0283 0.0300
04:01-05:00, Sun., 12 Jan. 0.0319 0.0275 0.0293
03:01-04:00, Sun., 12 Jan. 0.0310 0.0273 0.0290
02:01-03:00, Sun., 12 Jan. 0.0319 0.0271 0.0292
01:01-02:00, Sun., 12 Jan. 0.0306 0.0270 0.0289
00:01-01:00, Sun., 12 Jan. 0.0313 0.0273 0.0290
23:01-24:00, Sat., 11 Jan. 0.0306 0.0259 0.0286
22:01-23:00, Sat., 11 Jan. 0.0302 0.0268 0.0284
21:01-22:00, Sat., 11 Jan. 0.0302 0.0266 0.0283
20:01-21:00, Sat., 11 Jan. 0.0311 0.0264 0.0282
19:01-20:00, Sat., 11 Jan. 0.0295 0.0261 0.0279
18:01-19:00, Sat., 11 Jan. 0.0301 0.0256 0.0277
17:01-18:00, Sat., 11 Jan. 0.0289 0.0258 0.0275
16:01-17:00, Sat., 11 Jan. 0.0294 0.0256 0.0276
15:01-16:00, Sat., 11 Jan. 0.0304 0.0259 0.0278
14:01-15:00, Sat., 11 Jan. 0.0313 0.0257 0.0281
13:01-14:00, Sat., 11 Jan. 0.0303 0.0260 0.0281
12:01-13:00, Sat., 11 Jan. 0.0302 0.0268 0.0285
11:01-12:00, Sat., 11 Jan. 0.0309 0.0267 0.0286
10:01-11:00, Sat., 11 Jan. 0.0304 0.0263 0.0284
09:01-10:00, Sat., 11 Jan. 0.0309 0.0260 0.0285
08:01-09:00, Sat., 11 Jan. 0.0309 0.0268 0.0286
07:01-08:00, Sat., 11 Jan. 0.0315 0.0266 0.0282
06:01-07:00, Sat., 11 Jan. 0.0305 0.0261 0.0283
05:01-06:00, Sat., 11 Jan. 0.0307 0.0254 0.0283
04:01-05:00, Sat., 11 Jan. 0.0302 0.0268 0.0284
03:01-04:00, Sat., 11 Jan. 0.0306 0.0257 0.0282
02:01-03:00, Sat., 11 Jan. 0.0305 0.0268 0.0281
01:01-02:00, Sat., 11 Jan. 0.0303 0.0270 0.0286
00:01-01:00, Sat., 11 Jan. 0.0304 0.0260 0.0285
23:01-24:00, Fri., 10 Jan. 0.0301 0.0262 0.0283
22:01-23:00, Fri., 10 Jan. 0.0292 0.0264 0.0278
21:01-22:00, Fri., 10 Jan. 0.0292 0.0256 0.0274
20:01-21:00, Fri., 10 Jan. 0.0295 0.0255 0.0272
19:01-20:00, Fri., 10 Jan. 0.0297 0.0258 0.0273
18:01-19:00, Fri., 10 Jan. 0.0297 0.0247 0.0272
17:01-18:00, Fri., 10 Jan. 0.0294 0.0256 0.0272
16:01-17:00, Fri., 10 Jan. 0.0295 0.0259 0.0273
15:01-16:00, Fri., 10 Jan. 0.0293 0.0257 0.0273
14:01-15:00, Fri., 10 Jan. 0.0287 0.0255 0.0273
13:01-14:00, Fri., 10 Jan. 0.0303 0.0253 0.0275
12:01-13:00, Fri., 10 Jan. 0.0294 0.0259 0.0276
11:01-12:00, Fri., 10 Jan. 0.0295 0.0260 0.0278
10:01-11:00, Fri., 10 Jan. 0.0305 0.0264 0.0284
09:01-10:00, Fri., 10 Jan. 0.0301 0.0263 0.0284
08:01-09:00, Fri., 10 Jan. 0.0303 0.0266 0.0286
07:01-08:00, Fri., 10 Jan. 0.0304 0.0265 0.0286
06:01-07:00, Fri., 10 Jan. 0.0308 0.0266 0.0286
05:01-06:00, Fri., 10 Jan. 0.0295 0.0262 0.0281
04:01-05:00, Fri., 10 Jan. 0.0302 0.0258 0.0278
03:01-04:00, Fri., 10 Jan. 0.0303 0.0255 0.0277
02:01-03:00, Fri., 10 Jan. 0.0296 0.0259 0.0281
01:01-02:00, Fri., 10 Jan. 0.0299 0.0265 0.0284
00:01-01:00, Fri., 10 Jan. 0.0296 0.0256 0.0277
23:01-24:00, Thu., 09 Jan. 0.0298 0.0253 0.0275
22:01-23:00, Thu., 09 Jan. 0.0291 0.0258 0.0275
21:01-22:00, Thu., 09 Jan. 0.0301 0.0249 0.0272
20:01-21:00, Thu., 09 Jan. 0.0287 0.0255 0.0271
19:01-20:00, Thu., 09 Jan. 0.0290 0.0248 0.0270
18:01-19:00, Thu., 09 Jan. 0.0292 0.0253 0.0271
17:01-18:00, Thu., 09 Jan. 0.0286 0.0254 0.0269
16:01-17:00, Thu., 09 Jan. 0.0283 0.0254 0.0267
15:01-16:00, Thu., 09 Jan. 0.0285 0.0245 0.0267
14:01-15:00, Thu., 09 Jan. 0.0291 0.0247 0.0270
13:01-14:00, Thu., 09 Jan. 0.0292 0.0247 0.0267
12:01-13:00, Thu., 09 Jan. 0.0288 0.0251 0.0270
11:01-12:00, Thu., 09 Jan. 0.0289 0.0253 0.0272
10:01-11:00, Thu., 09 Jan. 0.0287 0.0254 0.0271
09:01-10:00, Thu., 09 Jan. 0.0285 0.0254 0.0273
08:01-09:00, Thu., 09 Jan. 0.0288 0.0245 0.0269
07:01-08:00, Thu., 09 Jan. 0.0287 0.0250 0.0271
06:01-07:00, Thu., 09 Jan. 0.0294 0.0249 0.0270
05:01-06:00, Thu., 09 Jan. 0.0290 0.0250 0.0272
04:01-05:00, Thu., 09 Jan. 0.0295 0.0257 0.0278
03:01-04:00, Thu., 09 Jan. 0.0295 0.0259 0.0278
02:01-03:00, Thu., 09 Jan. 0.0312 0.0255 0.0280
01:01-02:00, Thu., 09 Jan. 0.0312 0.0275 0.0293
00:01-01:00, Thu., 09 Jan. 0.0306 0.0269 0.0286
23:01-24:00, Wed., 08 Jan. 0.0306 0.0265 0.0284
22:01-23:00, Wed., 08 Jan. 0.0296 0.0254 0.0281
21:01-22:00, Wed., 08 Jan. 0.0299 0.0260 0.0282
20:01-21:00, Wed., 08 Jan. 0.0299 0.0262 0.0280
19:01-20:00, Wed., 08 Jan. 0.0297 0.0264 0.0279
18:01-19:00, Wed., 08 Jan. 0.0302 0.0250 0.0278
17:01-18:00, Wed., 08 Jan. 0.0290 0.0242 0.0273
16:01-17:00, Wed., 08 Jan. 0.0297 0.0253 0.0275
15:01-16:00, Wed., 08 Jan. 0.0299 0.0266 0.0279
14:01-15:00, Wed., 08 Jan. 0.0314 0.0264 0.0291
13:01-14:00, Wed., 08 Jan. 0.0372 0.0298 0.0332
12:01-13:00, Wed., 08 Jan. 0.0467 0.0350 0.0414
11:01-12:00, Wed., 08 Jan. 0.0469 0.0361 0.0410
10:01-11:00, Wed., 08 Jan. 0.0376 0.0311 0.0353
09:01-10:00, Wed., 08 Jan. 0.0325 0.0270 0.0297
08:01-09:00, Wed., 08 Jan. 0.0303 0.0266 0.0283
07:01-08:00, Wed., 08 Jan. 0.0308 0.0262 0.0281
06:01-07:00, Wed., 08 Jan. 0.0307 0.0265 0.0284
05:01-06:00, Wed., 08 Jan. 0.0309 0.0264 0.0283
04:01-05:00, Wed., 08 Jan. 0.0300 0.0266 0.0283
03:01-04:00, Wed., 08 Jan. 0.0300 0.0268 0.0286
02:01-03:00, Wed., 08 Jan. 0.0312 0.0268 0.0291
01:01-02:00, Wed., 08 Jan. 0.0320 0.0268 0.0300
00:01-01:00, Wed., 08 Jan. 0.0364 0.0297 0.0325
23:01-24:00, Tue., 07 Jan. 0.0364 0.0311 0.0348
22:01-23:00, Tue., 07 Jan. 0.0388 0.0326 0.0351
21:01-22:00, Tue., 07 Jan. 0.0362 0.0316 0.0345
20:01-21:00, Tue., 07 Jan. 0.0360 0.0295 0.0340
19:01-20:00, Tue., 07 Jan. 0.0338 0.0283 0.0312
18:01-19:00, Tue., 07 Jan. 0.0334 0.0281 0.0306
17:01-18:00, Tue., 07 Jan. 0.0343 0.0300 0.0322
16:01-17:00, Tue., 07 Jan. 0.0341 0.0307 0.0324
15:01-16:00, Tue., 07 Jan. 0.0337 0.0301 0.0315
14:01-15:00, Tue., 07 Jan. 0.0354 0.0300 0.0325
13:01-14:00, Tue., 07 Jan. 0.0354 0.0274 0.0320
12:01-13:00, Tue., 07 Jan. 0.0297 0.0263 0.0282
11:01-12:00, Tue., 07 Jan. 0.0303 0.0263 0.0282
10:01-11:00, Tue., 07 Jan. 0.0312 0.0268 0.0286
09:01-10:00, Tue., 07 Jan. 0.0305 0.0271 0.0287
08:01-09:00, Tue., 07 Jan. 0.0308 0.0269 0.0284
07:01-08:00, Tue., 07 Jan. 0.0300 0.0268 0.0282
06:01-07:00, Tue., 07 Jan. 0.0306 0.0259 0.0282
05:01-06:00, Tue., 07 Jan. 0.0304 0.0248 0.0281
04:01-05:00, Tue., 07 Jan. 0.0315 0.0262 0.0283
03:01-04:00, Tue., 07 Jan. 0.0303 0.0258 0.0279
02:01-03:00, Tue., 07 Jan. 0.0303 0.0265 0.0280
01:01-02:00, Tue., 07 Jan. 0.0297 0.0259 0.0279
00:01-01:00, Tue., 07 Jan. 0.0297 0.0256 0.0277
23:01-24:00, Mon., 06 Jan. 0.0300 0.0252 0.0275
22:01-23:00, Mon., 06 Jan. 0.0298 0.0258 0.0277
21:01-22:00, Mon., 06 Jan. 0.0307 0.0258 0.0276
20:01-21:00, Mon., 06 Jan. 0.0294 0.0258 0.0276
19:01-20:00, Mon., 06 Jan. 0.0294 0.0262 0.0276
18:01-19:00, Mon., 06 Jan. 0.0298 0.0257 0.0276
17:01-18:00, Mon., 06 Jan. 0.0301 0.0264 0.0279
16:01-17:00, Mon., 06 Jan. 0.0303 0.0262 0.0278
15:01-16:00, Mon., 06 Jan. 0.0295 0.0260 0.0279
14:01-15:00, Mon., 06 Jan. 0.0298 0.0264 0.0279
13:01-14:00, Mon., 06 Jan. 0.0303 0.0262 0.0280
12:01-13:00, Mon., 06 Jan. 0.0302 0.0259 0.0277
11:01-12:00, Mon., 06 Jan. 0.0299 0.0262 0.0280
10:01-11:00, Mon., 06 Jan. 0.0306 0.0268 0.0283
09:01-10:00, Mon., 06 Jan. 0.0317 0.0274 0.0293
08:01-09:00, Mon., 06 Jan. 0.0324 0.0285 0.0302
07:01-08:00, Mon., 06 Jan. 0.0318 0.0281 0.0298
06:01-07:00, Mon., 06 Jan. 0.0305 0.0272 0.0288
05:01-06:00, Mon., 06 Jan. 0.0316 0.0277 0.0292
04:01-05:00, Mon., 06 Jan. 0.0310 0.0275 0.0293
03:01-04:00, Mon., 06 Jan. 0.0326 0.0266 0.0293
02:01-03:00, Mon., 06 Jan. 0.0317 0.0280 0.0297
01:01-02:00, Mon., 06 Jan. 0.0324 0.0273 0.0293
00:01-01:00, Mon., 06 Jan. 0.0312 0.0262 0.0284