Measurement results by the hour (Chofu) 22 Jul., 2024 - 28 Jul., 2024

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 Jul. 0.0306 0.0263 0.0286
22:01-23:00, Sun., 28 Jul. 0.0302 0.0263 0.0285
21:01-22:00, Sun., 28 Jul. 0.0316 0.0259 0.0284
20:01-21:00, Sun., 28 Jul. 0.0300 0.0266 0.0284
19:01-20:00, Sun., 28 Jul. 0.0310 0.0263 0.0284
18:01-19:00, Sun., 28 Jul. 0.0308 0.0259 0.0286
17:01-18:00, Sun., 28 Jul. 0.0303 0.0267 0.0286
16:01-17:00, Sun., 28 Jul. 0.0307 0.0259 0.0285
15:01-16:00, Sun., 28 Jul. 0.0306 0.0262 0.0285
14:01-15:00, Sun., 28 Jul. 0.0308 0.0266 0.0288
13:01-14:00, Sun., 28 Jul. 0.0317 0.0270 0.0288
12:01-13:00, Sun., 28 Jul. 0.0308 0.0264 0.0285
11:01-12:00, Sun., 28 Jul. 0.0304 0.0261 0.0282
10:01-11:00, Sun., 28 Jul. 0.0315 0.0271 0.0289
09:01-10:00, Sun., 28 Jul. 0.0315 0.0268 0.0293
08:01-09:00, Sun., 28 Jul. 0.0334 0.0274 0.0300
07:01-08:00, Sun., 28 Jul. 0.0315 0.0273 0.0296
06:01-07:00, Sun., 28 Jul. 0.0329 0.0286 0.0307
05:01-06:00, Sun., 28 Jul. 0.0323 0.0280 0.0299
04:01-05:00, Sun., 28 Jul. 0.0306 0.0266 0.0288
03:01-04:00, Sun., 28 Jul. 0.0302 0.0262 0.0282
02:01-03:00, Sun., 28 Jul. 0.0301 0.0256 0.0282
01:01-02:00, Sun., 28 Jul. 0.0302 0.0257 0.0281
00:01-01:00, Sun., 28 Jul. 0.0301 0.0263 0.0281
23:01-24:00, Sat., 27 Jul. 0.0297 0.0262 0.0279
22:01-23:00, Sat., 27 Jul. 0.0306 0.0257 0.0280
21:01-22:00, Sat., 27 Jul. 0.0304 0.0263 0.0285
20:01-21:00, Sat., 27 Jul. 0.0318 0.0259 0.0284
19:01-20:00, Sat., 27 Jul. 0.0310 0.0264 0.0284
18:01-19:00, Sat., 27 Jul. 0.0315 0.0256 0.0280
17:01-18:00, Sat., 27 Jul. 0.0304 0.0264 0.0281
16:01-17:00, Sat., 27 Jul. 0.0311 0.0266 0.0284
15:01-16:00, Sat., 27 Jul. 0.0301 0.0263 0.0282
14:01-15:00, Sat., 27 Jul. 0.0296 0.0260 0.0278
13:01-14:00, Sat., 27 Jul. 0.0301 0.0260 0.0280
12:01-13:00, Sat., 27 Jul. 0.0308 0.0255 0.0280
11:01-12:00, Sat., 27 Jul. 0.0299 0.0260 0.0280
10:01-11:00, Sat., 27 Jul. 0.0297 0.0264 0.0283
09:01-10:00, Sat., 27 Jul. 0.0305 0.0260 0.0282
08:01-09:00, Sat., 27 Jul. 0.0313 0.0260 0.0283
07:01-08:00, Sat., 27 Jul. 0.0302 0.0272 0.0286
06:01-07:00, Sat., 27 Jul. 0.0319 0.0270 0.0290
05:01-06:00, Sat., 27 Jul. 0.0307 0.0265 0.0286
04:01-05:00, Sat., 27 Jul. 0.0298 0.0265 0.0283
03:01-04:00, Sat., 27 Jul. 0.0302 0.0264 0.0282
02:01-03:00, Sat., 27 Jul. 0.0303 0.0263 0.0283
01:01-02:00, Sat., 27 Jul. 0.0308 0.0267 0.0282
00:01-01:00, Sat., 27 Jul. 0.0306 0.0265 0.0287
23:01-24:00, Fri., 26 Jul. 0.0335 0.0274 0.0298
22:01-23:00, Fri., 26 Jul. 0.0373 0.0303 0.0334
21:01-22:00, Fri., 26 Jul. 0.0356 0.0289 0.0323
20:01-21:00, Fri., 26 Jul. 0.0305 0.0254 0.0283
19:01-20:00, Fri., 26 Jul. 0.0304 0.0256 0.0278
18:01-19:00, Fri., 26 Jul. 0.0295 0.0250 0.0278
17:01-18:00, Fri., 26 Jul. 0.0298 0.0256 0.0278
16:01-17:00, Fri., 26 Jul. 0.0307 0.0252 0.0282
15:01-16:00, Fri., 26 Jul. 0.0304 0.0255 0.0281
14:01-15:00, Fri., 26 Jul. 0.0298 0.0259 0.0279
13:01-14:00, Fri., 26 Jul. 0.0303 0.0259 0.0282
12:01-13:00, Fri., 26 Jul. 0.0298 0.0252 0.0280
11:01-12:00, Fri., 26 Jul. 0.0303 0.0258 0.0282
10:01-11:00, Fri., 26 Jul. 0.0307 0.0262 0.0284
09:01-10:00, Fri., 26 Jul. 0.0309 0.0270 0.0287
08:01-09:00, Fri., 26 Jul. 0.0309 0.0273 0.0290
07:01-08:00, Fri., 26 Jul. 0.0326 0.0273 0.0293
06:01-07:00, Fri., 26 Jul. 0.0304 0.0266 0.0285
05:01-06:00, Fri., 26 Jul. 0.0313 0.0273 0.0287
04:01-05:00, Fri., 26 Jul. 0.0314 0.0260 0.0287
03:01-04:00, Fri., 26 Jul. 0.0304 0.0261 0.0283
02:01-03:00, Fri., 26 Jul. 0.0310 0.0262 0.0285
01:01-02:00, Fri., 26 Jul. 0.0314 0.0266 0.0287
00:01-01:00, Fri., 26 Jul. 0.0310 0.0270 0.0287
23:01-24:00, Thu., 25 Jul. 0.0301 0.0266 0.0283
22:01-23:00, Thu., 25 Jul. 0.0308 0.0265 0.0283
21:01-22:00, Thu., 25 Jul. 0.0311 0.0266 0.0289
20:01-21:00, Thu., 25 Jul. 0.0337 0.0289 0.0310
19:01-20:00, Thu., 25 Jul. 0.0422 0.0314 0.0361
18:01-19:00, Thu., 25 Jul. 0.0444 0.0309 0.0378
17:01-18:00, Thu., 25 Jul. 0.0336 0.0262 0.0293
16:01-17:00, Thu., 25 Jul. 0.0296 0.0257 0.0279
15:01-16:00, Thu., 25 Jul. 0.0299 0.0258 0.0279
14:01-15:00, Thu., 25 Jul. 0.0297 0.0255 0.0280
13:01-14:00, Thu., 25 Jul. 0.0310 0.0263 0.0283
12:01-13:00, Thu., 25 Jul. 0.0305 0.0272 0.0285
11:01-12:00, Thu., 25 Jul. 0.0304 0.0267 0.0287
10:01-11:00, Thu., 25 Jul. 0.0308 0.0269 0.0288
09:01-10:00, Thu., 25 Jul. 0.0310 0.0269 0.0287
08:01-09:00, Thu., 25 Jul. 0.0310 0.0269 0.0287
07:01-08:00, Thu., 25 Jul. 0.0311 0.0273 0.0292
06:01-07:00, Thu., 25 Jul. 0.0314 0.0266 0.0292
05:01-06:00, Thu., 25 Jul. 0.0325 0.0283 0.0302
04:01-05:00, Thu., 25 Jul. 0.0335 0.0277 0.0304
03:01-04:00, Thu., 25 Jul. 0.0335 0.0280 0.0297
02:01-03:00, Thu., 25 Jul. 0.0306 0.0265 0.0285
01:01-02:00, Thu., 25 Jul. 0.0297 0.0263 0.0283
00:01-01:00, Thu., 25 Jul. 0.0305 0.0266 0.0286
23:01-24:00, Wed., 24 Jul. 0.0305 0.0261 0.0280
22:01-23:00, Wed., 24 Jul. 0.0299 0.0259 0.0280
21:01-22:00, Wed., 24 Jul. 0.0295 0.0250 0.0278
20:01-21:00, Wed., 24 Jul. 0.0294 0.0262 0.0279
19:01-20:00, Wed., 24 Jul. 0.0298 0.0259 0.0274
18:01-19:00, Wed., 24 Jul. 0.0292 0.0256 0.0277
17:01-18:00, Wed., 24 Jul. 0.0298 0.0259 0.0279
16:01-17:00, Wed., 24 Jul. 0.0303 0.0257 0.0278
15:01-16:00, Wed., 24 Jul. 0.0298 0.0266 0.0283
14:01-15:00, Wed., 24 Jul. 0.0321 0.0265 0.0294
13:01-14:00, Wed., 24 Jul. 0.0360 0.0292 0.0326
12:01-13:00, Wed., 24 Jul. 0.0374 0.0254 0.0310
11:01-12:00, Wed., 24 Jul. 0.0311 0.0265 0.0285
10:01-11:00, Wed., 24 Jul. 0.0301 0.0256 0.0286
09:01-10:00, Wed., 24 Jul. 0.0310 0.0253 0.0288
08:01-09:00, Wed., 24 Jul. 0.0313 0.0264 0.0286
07:01-08:00, Wed., 24 Jul. 0.0305 0.0267 0.0286
06:01-07:00, Wed., 24 Jul. 0.0311 0.0257 0.0287
05:01-06:00, Wed., 24 Jul. 0.0311 0.0265 0.0291
04:01-05:00, Wed., 24 Jul. 0.0311 0.0272 0.0289
03:01-04:00, Wed., 24 Jul. 0.0308 0.0266 0.0288
02:01-03:00, Wed., 24 Jul. 0.0311 0.0262 0.0283
01:01-02:00, Wed., 24 Jul. 0.0299 0.0259 0.0280
00:01-01:00, Wed., 24 Jul. 0.0305 0.0259 0.0285
23:01-24:00, Tue., 23 Jul. 0.0296 0.0250 0.0278
22:01-23:00, Tue., 23 Jul. 0.0301 0.0253 0.0280
21:01-22:00, Tue., 23 Jul. 0.0299 0.0254 0.0277
20:01-21:00, Tue., 23 Jul. 0.0305 0.0256 0.0280
19:01-20:00, Tue., 23 Jul. 0.0309 0.0256 0.0279
18:01-19:00, Tue., 23 Jul. 0.0305 0.0251 0.0282
17:01-18:00, Tue., 23 Jul. 0.0304 0.0259 0.0281
16:01-17:00, Tue., 23 Jul. 0.0295 0.0260 0.0278
15:01-16:00, Tue., 23 Jul. 0.0301 0.0254 0.0279
14:01-15:00, Tue., 23 Jul. 0.0301 0.0259 0.0279
13:01-14:00, Tue., 23 Jul. 0.0301 0.0257 0.0279
12:01-13:00, Tue., 23 Jul. 0.0299 0.0264 0.0280
11:01-12:00, Tue., 23 Jul. 0.0302 0.0256 0.0280
10:01-11:00, Tue., 23 Jul. 0.0301 0.0261 0.0280
09:01-10:00, Tue., 23 Jul. 0.0307 0.0262 0.0283
08:01-09:00, Tue., 23 Jul. 0.0303 0.0261 0.0283
07:01-08:00, Tue., 23 Jul. 0.0308 0.0266 0.0287
06:01-07:00, Tue., 23 Jul. 0.0307 0.0266 0.0289
05:01-06:00, Tue., 23 Jul. 0.0315 0.0259 0.0286
04:01-05:00, Tue., 23 Jul. 0.0302 0.0254 0.0282
03:01-04:00, Tue., 23 Jul. 0.0300 0.0257 0.0279
02:01-03:00, Tue., 23 Jul. 0.0303 0.0256 0.0282
01:01-02:00, Tue., 23 Jul. 0.0303 0.0266 0.0282
00:01-01:00, Tue., 23 Jul. 0.0321 0.0272 0.0290
23:01-24:00, Mon., 22 Jul. 0.0372 0.0280 0.0322
22:01-23:00, Mon., 22 Jul. 0.0515 0.0343 0.0418
21:01-22:00, Mon., 22 Jul. 0.0612 0.0282 0.0504
20:01-21:00, Mon., 22 Jul. 0.0333 0.0280 0.0308
19:01-20:00, Mon., 22 Jul. 0.0353 0.0268 0.0305
18:01-19:00, Mon., 22 Jul. 0.0301 0.0265 0.0285
17:01-18:00, Mon., 22 Jul. 0.0308 0.0261 0.0286
16:01-17:00, Mon., 22 Jul. 0.0312 0.0264 0.0284
15:01-16:00, Mon., 22 Jul. 0.0308 0.0268 0.0285
14:01-15:00, Mon., 22 Jul. 0.0301 0.0261 0.0282
13:01-14:00, Mon., 22 Jul. 0.0306 0.0259 0.0285
12:01-13:00, Mon., 22 Jul. 0.0307 0.0268 0.0286
11:01-12:00, Mon., 22 Jul. 0.0304 0.0263 0.0284
10:01-11:00, Mon., 22 Jul. 0.0315 0.0262 0.0287
09:01-10:00, Mon., 22 Jul. 0.0310 0.0255 0.0284
08:01-09:00, Mon., 22 Jul. 0.0310 0.0262 0.0283
07:01-08:00, Mon., 22 Jul. 0.0304 0.0270 0.0285
06:01-07:00, Mon., 22 Jul. 0.0310 0.0269 0.0284
05:01-06:00, Mon., 22 Jul. 0.0304 0.0267 0.0282
04:01-05:00, Mon., 22 Jul. 0.0297 0.0254 0.0281
03:01-04:00, Mon., 22 Jul. 0.0304 0.0260 0.0281
02:01-03:00, Mon., 22 Jul. 0.0296 0.0249 0.0277
01:01-02:00, Mon., 22 Jul. 0.0301 0.0256 0.0279
00:01-01:00, Mon., 22 Jul. 0.0294 0.0255 0.0277