Measurement results by the hour (Chofu) 7 Jun., 2021 - 13 Jun., 2021

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., 13 Jun. 0.0334 0.0279 0.0305
22:01-23:00, Sun., 13 Jun. 0.0322 0.0268 0.0294
21:01-22:00, Sun., 13 Jun. 0.0308 0.0269 0.0289
20:01-21:00, Sun., 13 Jun. 0.0307 0.0262 0.0285
19:01-20:00, Sun., 13 Jun. 0.0301 0.0264 0.0284
18:01-19:00, Sun., 13 Jun. 0.0306 0.0265 0.0286
17:01-18:00, Sun., 13 Jun. 0.0313 0.0264 0.0287
16:01-17:00, Sun., 13 Jun. 0.0312 0.0272 0.0298
15:01-16:00, Sun., 13 Jun. 0.0337 0.0287 0.0305
14:01-15:00, Sun., 13 Jun. 0.0297 0.0259 0.0282
13:01-14:00, Sun., 13 Jun. 0.0308 0.0263 0.0284
12:01-13:00, Sun., 13 Jun. 0.0303 0.0270 0.0286
11:01-12:00, Sun., 13 Jun. 0.0308 0.0272 0.0287
10:01-11:00, Sun., 13 Jun. 0.0304 0.0261 0.0285
09:01-10:00, Sun., 13 Jun. 0.0301 0.0268 0.0284
08:01-09:00, Sun., 13 Jun. 0.0306 0.0265 0.0287
07:01-08:00, Sun., 13 Jun. 0.0308 0.0263 0.0285
06:01-07:00, Sun., 13 Jun. 0.0311 0.0267 0.0290
05:01-06:00, Sun., 13 Jun. 0.0311 0.0278 0.0292
04:01-05:00, Sun., 13 Jun. 0.0315 0.0269 0.0293
03:01-04:00, Sun., 13 Jun. 0.0307 0.0270 0.0287
02:01-03:00, Sun., 13 Jun. 0.0299 0.0265 0.0279
01:01-02:00, Sun., 13 Jun. 0.0295 0.0267 0.0281
00:01-01:00, Sun., 13 Jun. 0.0300 0.0263 0.0283
23:01-24:00, Sat., 12 Jun. 0.0297 0.0262 0.0280
22:01-23:00, Sat., 12 Jun. 0.0297 0.0264 0.0281
21:01-22:00, Sat., 12 Jun. 0.0304 0.0258 0.0282
20:01-21:00, Sat., 12 Jun. 0.0304 0.0266 0.0282
19:01-20:00, Sat., 12 Jun. 0.0303 0.0254 0.0282
18:01-19:00, Sat., 12 Jun. 0.0308 0.0266 0.0285
17:01-18:00, Sat., 12 Jun. 0.0304 0.0261 0.0282
16:01-17:00, Sat., 12 Jun. 0.0298 0.0249 0.0281
15:01-16:00, Sat., 12 Jun. 0.0302 0.0267 0.0282
14:01-15:00, Sat., 12 Jun. 0.0302 0.0260 0.0280
13:01-14:00, Sat., 12 Jun. 0.0301 0.0267 0.0280
12:01-13:00, Sat., 12 Jun. 0.0298 0.0256 0.0282
11:01-12:00, Sat., 12 Jun. 0.0296 0.0263 0.0280
10:01-11:00, Sat., 12 Jun. 0.0300 0.0259 0.0280
09:01-10:00, Sat., 12 Jun. 0.0311 0.0262 0.0285
08:01-09:00, Sat., 12 Jun. 0.0305 0.0266 0.0286
07:01-08:00, Sat., 12 Jun. 0.0318 0.0269 0.0291
06:01-07:00, Sat., 12 Jun. 0.0324 0.0278 0.0300
05:01-06:00, Sat., 12 Jun. 0.0316 0.0283 0.0297
04:01-05:00, Sat., 12 Jun. 0.0323 0.0266 0.0287
03:01-04:00, Sat., 12 Jun. 0.0298 0.0257 0.0281
02:01-03:00, Sat., 12 Jun. 0.0303 0.0257 0.0278
01:01-02:00, Sat., 12 Jun. 0.0298 0.0263 0.0279
00:01-01:00, Sat., 12 Jun. 0.0295 0.0258 0.0279
23:01-24:00, Fri., 11 Jun. 0.0297 0.0255 0.0277
22:01-23:00, Fri., 11 Jun. 0.0300 0.0255 0.0279
21:01-22:00, Fri., 11 Jun. 0.0294 0.0260 0.0277
20:01-21:00, Fri., 11 Jun. 0.0300 0.0262 0.0277
19:01-20:00, Fri., 11 Jun. 0.0291 0.0264 0.0278
18:01-19:00, Fri., 11 Jun. 0.0303 0.0261 0.0278
17:01-18:00, Fri., 11 Jun. 0.0301 0.0252 0.0279
16:01-17:00, Fri., 11 Jun. 0.0301 0.0256 0.0280
15:01-16:00, Fri., 11 Jun. 0.0305 0.0264 0.0281
14:01-15:00, Fri., 11 Jun. 0.0308 0.0261 0.0282
13:01-14:00, Fri., 11 Jun. 0.0298 0.0261 0.0282
12:01-13:00, Fri., 11 Jun. 0.0300 0.0263 0.0282
11:01-12:00, Fri., 11 Jun. 0.0302 0.0264 0.0280
10:01-11:00, Fri., 11 Jun. 0.0298 0.0265 0.0280
09:01-10:00, Fri., 11 Jun. 0.0308 0.0265 0.0282
08:01-09:00, Fri., 11 Jun. 0.0300 0.0260 0.0283
07:01-08:00, Fri., 11 Jun. 0.0304 0.0265 0.0283
06:01-07:00, Fri., 11 Jun. 0.0308 0.0264 0.0288
05:01-06:00, Fri., 11 Jun. 0.0309 0.0273 0.0289
04:01-05:00, Fri., 11 Jun. 0.0298 0.0264 0.0280
03:01-04:00, Fri., 11 Jun. 0.0294 0.0252 0.0281
02:01-03:00, Fri., 11 Jun. 0.0305 0.0265 0.0285
01:01-02:00, Fri., 11 Jun. 0.0299 0.0262 0.0280
00:01-01:00, Fri., 11 Jun. 0.0303 0.0262 0.0282
23:01-24:00, Thu., 10 Jun. 0.0308 0.0261 0.0282
22:01-23:00, Thu., 10 Jun. 0.0297 0.0257 0.0280
21:01-22:00, Thu., 10 Jun. 0.0297 0.0255 0.0280
20:01-21:00, Thu., 10 Jun. 0.0298 0.0261 0.0281
19:01-20:00, Thu., 10 Jun. 0.0302 0.0260 0.0282
18:01-19:00, Thu., 10 Jun. 0.0307 0.0259 0.0282
17:01-18:00, Thu., 10 Jun. 0.0302 0.0265 0.0283
16:01-17:00, Thu., 10 Jun. 0.0304 0.0259 0.0283
15:01-16:00, Thu., 10 Jun. 0.0304 0.0264 0.0283
14:01-15:00, Thu., 10 Jun. 0.0303 0.0267 0.0284
13:01-14:00, Thu., 10 Jun. 0.0302 0.0267 0.0282
12:01-13:00, Thu., 10 Jun. 0.0302 0.0262 0.0282
11:01-12:00, Thu., 10 Jun. 0.0303 0.0269 0.0283
10:01-11:00, Thu., 10 Jun. 0.0307 0.0264 0.0283
09:01-10:00, Thu., 10 Jun. 0.0299 0.0267 0.0284
08:01-09:00, Thu., 10 Jun. 0.0313 0.0262 0.0283
07:01-08:00, Thu., 10 Jun. 0.0307 0.0265 0.0285
06:01-07:00, Thu., 10 Jun. 0.0314 0.0274 0.0290
05:01-06:00, Thu., 10 Jun. 0.0304 0.0273 0.0290
04:01-05:00, Thu., 10 Jun. 0.0317 0.0271 0.0293
03:01-04:00, Thu., 10 Jun. 0.0311 0.0273 0.0290
02:01-03:00, Thu., 10 Jun. 0.0301 0.0255 0.0282
01:01-02:00, Thu., 10 Jun. 0.0299 0.0259 0.0277
00:01-01:00, Thu., 10 Jun. 0.0298 0.0261 0.0279
23:01-24:00, Wed., 09 Jun. 0.0298 0.0264 0.0281
22:01-23:00, Wed., 09 Jun. 0.0303 0.0263 0.0281
21:01-22:00, Wed., 09 Jun. 0.0300 0.0268 0.0281
20:01-21:00, Wed., 09 Jun. 0.0297 0.0262 0.0281
19:01-20:00, Wed., 09 Jun. 0.0301 0.0266 0.0283
18:01-19:00, Wed., 09 Jun. 0.0297 0.0257 0.0283
17:01-18:00, Wed., 09 Jun. 0.0299 0.0255 0.0283
16:01-17:00, Wed., 09 Jun. 0.0300 0.0252 0.0279
15:01-16:00, Wed., 09 Jun. 0.0308 0.0256 0.0281
14:01-15:00, Wed., 09 Jun. 0.0295 0.0252 0.0280
13:01-14:00, Wed., 09 Jun. 0.0302 0.0262 0.0279
12:01-13:00, Wed., 09 Jun. 0.0304 0.0269 0.0282
11:01-12:00, Wed., 09 Jun. 0.0299 0.0262 0.0283
10:01-11:00, Wed., 09 Jun. 0.0300 0.0256 0.0283
09:01-10:00, Wed., 09 Jun. 0.0303 0.0271 0.0288
08:01-09:00, Wed., 09 Jun. 0.0314 0.0269 0.0291
07:01-08:00, Wed., 09 Jun. 0.0315 0.0274 0.0293
06:01-07:00, Wed., 09 Jun. 0.0322 0.0279 0.0300
05:01-06:00, Wed., 09 Jun. 0.0322 0.0282 0.0298
04:01-05:00, Wed., 09 Jun. 0.0317 0.0272 0.0292
03:01-04:00, Wed., 09 Jun. 0.0304 0.0272 0.0287
02:01-03:00, Wed., 09 Jun. 0.0305 0.0261 0.0282
01:01-02:00, Wed., 09 Jun. 0.0310 0.0260 0.0283
00:01-01:00, Wed., 09 Jun. 0.0304 0.0261 0.0281
23:01-24:00, Tue., 08 Jun. 0.0296 0.0260 0.0278
22:01-23:00, Tue., 08 Jun. 0.0303 0.0262 0.0281
21:01-22:00, Tue., 08 Jun. 0.0297 0.0261 0.0279
20:01-21:00, Tue., 08 Jun. 0.0301 0.0261 0.0281
19:01-20:00, Tue., 08 Jun. 0.0333 0.0275 0.0296
18:01-19:00, Tue., 08 Jun. 0.0362 0.0303 0.0334
17:01-18:00, Tue., 08 Jun. 0.0323 0.0260 0.0287
16:01-17:00, Tue., 08 Jun. 0.0299 0.0266 0.0283
15:01-16:00, Tue., 08 Jun. 0.0299 0.0263 0.0281
14:01-15:00, Tue., 08 Jun. 0.0308 0.0264 0.0282
13:01-14:00, Tue., 08 Jun. 0.0300 0.0264 0.0282
12:01-13:00, Tue., 08 Jun. 0.0303 0.0264 0.0285
11:01-12:00, Tue., 08 Jun. 0.0310 0.0272 0.0289
10:01-11:00, Tue., 08 Jun. 0.0307 0.0274 0.0290
09:01-10:00, Tue., 08 Jun. 0.0315 0.0274 0.0293
08:01-09:00, Tue., 08 Jun. 0.0307 0.0273 0.0292
07:01-08:00, Tue., 08 Jun. 0.0321 0.0286 0.0301
06:01-07:00, Tue., 08 Jun. 0.0328 0.0283 0.0303
05:01-06:00, Tue., 08 Jun. 0.0323 0.0280 0.0305
04:01-05:00, Tue., 08 Jun. 0.0326 0.0276 0.0300
03:01-04:00, Tue., 08 Jun. 0.0308 0.0274 0.0293
02:01-03:00, Tue., 08 Jun. 0.0302 0.0266 0.0285
01:01-02:00, Tue., 08 Jun. 0.0294 0.0263 0.0281
00:01-01:00, Tue., 08 Jun. 0.0301 0.0258 0.0279
23:01-24:00, Mon., 07 Jun. 0.0305 0.0263 0.0279
22:01-23:00, Mon., 07 Jun. 0.0297 0.0263 0.0276
21:01-22:00, Mon., 07 Jun. 0.0301 0.0258 0.0275
20:01-21:00, Mon., 07 Jun. 0.0289 0.0258 0.0275
19:01-20:00, Mon., 07 Jun. 0.0287 0.0250 0.0273
18:01-19:00, Mon., 07 Jun. 0.0297 0.0256 0.0273
17:01-18:00, Mon., 07 Jun. 0.0301 0.0249 0.0273
16:01-17:00, Mon., 07 Jun. 0.0293 0.0258 0.0274
15:01-16:00, Mon., 07 Jun. 0.0293 0.0255 0.0276
14:01-15:00, Mon., 07 Jun. 0.0296 0.0263 0.0279
13:01-14:00, Mon., 07 Jun. 0.0292 0.0262 0.0279
12:01-13:00, Mon., 07 Jun. 0.0299 0.0265 0.0282
11:01-12:00, Mon., 07 Jun. 0.0306 0.0270 0.0287
10:01-11:00, Mon., 07 Jun. 0.0306 0.0266 0.0289
09:01-10:00, Mon., 07 Jun. 0.0309 0.0267 0.0291
08:01-09:00, Mon., 07 Jun. 0.0316 0.0274 0.0290
07:01-08:00, Mon., 07 Jun. 0.0309 0.0267 0.0288
06:01-07:00, Mon., 07 Jun. 0.0316 0.0259 0.0293
05:01-06:00, Mon., 07 Jun. 0.0307 0.0269 0.0287
04:01-05:00, Mon., 07 Jun. 0.0298 0.0263 0.0280
03:01-04:00, Mon., 07 Jun. 0.0298 0.0258 0.0280
02:01-03:00, Mon., 07 Jun. 0.0303 0.0268 0.0283
01:01-02:00, Mon., 07 Jun. 0.0293 0.0259 0.0276
00:01-01:00, Mon., 07 Jun. 0.0297 0.0251 0.0273