Measurement results by the hour (Chofu) 21 Oct., 2024 - 27 Oct., 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., 27 Oct. 0.0344 0.0277 0.0308
22:01-23:00, Sun., 27 Oct. 0.0318 0.0272 0.0294
21:01-22:00, Sun., 27 Oct. 0.0312 0.0268 0.0294
20:01-21:00, Sun., 27 Oct. 0.0330 0.0273 0.0297
19:01-20:00, Sun., 27 Oct. 0.0314 0.0276 0.0296
18:01-19:00, Sun., 27 Oct. 0.0310 0.0269 0.0292
17:01-18:00, Sun., 27 Oct. 0.0304 0.0262 0.0286
16:01-17:00, Sun., 27 Oct. 0.0299 0.0259 0.0280
15:01-16:00, Sun., 27 Oct. 0.0304 0.0252 0.0281
14:01-15:00, Sun., 27 Oct. 0.0300 0.0255 0.0280
13:01-14:00, Sun., 27 Oct. 0.0302 0.0263 0.0283
12:01-13:00, Sun., 27 Oct. 0.0306 0.0267 0.0285
11:01-12:00, Sun., 27 Oct. 0.0308 0.0264 0.0287
10:01-11:00, Sun., 27 Oct. 0.0311 0.0265 0.0287
09:01-10:00, Sun., 27 Oct. 0.0315 0.0273 0.0293
08:01-09:00, Sun., 27 Oct. 0.0322 0.0276 0.0296
07:01-08:00, Sun., 27 Oct. 0.0318 0.0273 0.0295
06:01-07:00, Sun., 27 Oct. 0.0321 0.0269 0.0297
05:01-06:00, Sun., 27 Oct. 0.0318 0.0276 0.0296
04:01-05:00, Sun., 27 Oct. 0.0316 0.0265 0.0295
03:01-04:00, Sun., 27 Oct. 0.0325 0.0270 0.0293
02:01-03:00, Sun., 27 Oct. 0.0318 0.0275 0.0294
01:01-02:00, Sun., 27 Oct. 0.0321 0.0270 0.0293
00:01-01:00, Sun., 27 Oct. 0.0315 0.0274 0.0294
23:01-24:00, Sat., 26 Oct. 0.0315 0.0270 0.0293
22:01-23:00, Sat., 26 Oct. 0.0310 0.0267 0.0292
21:01-22:00, Sat., 26 Oct. 0.0315 0.0272 0.0292
20:01-21:00, Sat., 26 Oct. 0.0312 0.0271 0.0290
19:01-20:00, Sat., 26 Oct. 0.0315 0.0262 0.0290
18:01-19:00, Sat., 26 Oct. 0.0310 0.0264 0.0286
17:01-18:00, Sat., 26 Oct. 0.0321 0.0269 0.0287
16:01-17:00, Sat., 26 Oct. 0.0316 0.0271 0.0290
15:01-16:00, Sat., 26 Oct. 0.0309 0.0266 0.0289
14:01-15:00, Sat., 26 Oct. 0.0311 0.0276 0.0290
13:01-14:00, Sat., 26 Oct. 0.0312 0.0266 0.0288
12:01-13:00, Sat., 26 Oct. 0.0311 0.0274 0.0291
11:01-12:00, Sat., 26 Oct. 0.0319 0.0273 0.0292
10:01-11:00, Sat., 26 Oct. 0.0314 0.0269 0.0293
09:01-10:00, Sat., 26 Oct. 0.0308 0.0272 0.0291
08:01-09:00, Sat., 26 Oct. 0.0311 0.0273 0.0294
07:01-08:00, Sat., 26 Oct. 0.0315 0.0270 0.0293
06:01-07:00, Sat., 26 Oct. 0.0311 0.0270 0.0293
05:01-06:00, Sat., 26 Oct. 0.0317 0.0274 0.0295
04:01-05:00, Sat., 26 Oct. 0.0321 0.0273 0.0294
03:01-04:00, Sat., 26 Oct. 0.0319 0.0261 0.0291
02:01-03:00, Sat., 26 Oct. 0.0316 0.0262 0.0288
01:01-02:00, Sat., 26 Oct. 0.0310 0.0258 0.0286
00:01-01:00, Sat., 26 Oct. 0.0302 0.0265 0.0283
23:01-24:00, Fri., 25 Oct. 0.0301 0.0260 0.0283
22:01-23:00, Fri., 25 Oct. 0.0298 0.0259 0.0282
21:01-22:00, Fri., 25 Oct. 0.0302 0.0263 0.0282
20:01-21:00, Fri., 25 Oct. 0.0313 0.0262 0.0284
19:01-20:00, Fri., 25 Oct. 0.0306 0.0262 0.0283
18:01-19:00, Fri., 25 Oct. 0.0313 0.0265 0.0286
17:01-18:00, Fri., 25 Oct. 0.0304 0.0266 0.0287
16:01-17:00, Fri., 25 Oct. 0.0311 0.0266 0.0287
15:01-16:00, Fri., 25 Oct. 0.0303 0.0262 0.0287
14:01-15:00, Fri., 25 Oct. 0.0310 0.0266 0.0291
13:01-14:00, Fri., 25 Oct. 0.0310 0.0272 0.0292
12:01-13:00, Fri., 25 Oct. 0.0308 0.0270 0.0289
11:01-12:00, Fri., 25 Oct. 0.0305 0.0266 0.0288
10:01-11:00, Fri., 25 Oct. 0.0313 0.0271 0.0289
09:01-10:00, Fri., 25 Oct. 0.0321 0.0264 0.0291
08:01-09:00, Fri., 25 Oct. 0.0325 0.0263 0.0303
07:01-08:00, Fri., 25 Oct. 0.0348 0.0295 0.0323
06:01-07:00, Fri., 25 Oct. 0.0346 0.0292 0.0316
05:01-06:00, Fri., 25 Oct. 0.0339 0.0278 0.0309
04:01-05:00, Fri., 25 Oct. 0.0311 0.0271 0.0291
03:01-04:00, Fri., 25 Oct. 0.0311 0.0269 0.0288
02:01-03:00, Fri., 25 Oct. 0.0308 0.0271 0.0289
01:01-02:00, Fri., 25 Oct. 0.0309 0.0266 0.0287
00:01-01:00, Fri., 25 Oct. 0.0317 0.0263 0.0289
23:01-24:00, Thu., 24 Oct. 0.0309 0.0266 0.0289
22:01-23:00, Thu., 24 Oct. 0.0310 0.0264 0.0284
21:01-22:00, Thu., 24 Oct. 0.0304 0.0265 0.0283
20:01-21:00, Thu., 24 Oct. 0.0299 0.0264 0.0283
19:01-20:00, Thu., 24 Oct. 0.0300 0.0264 0.0279
18:01-19:00, Thu., 24 Oct. 0.0304 0.0260 0.0282
17:01-18:00, Thu., 24 Oct. 0.0304 0.0262 0.0283
16:01-17:00, Thu., 24 Oct. 0.0302 0.0261 0.0280
15:01-16:00, Thu., 24 Oct. 0.0318 0.0260 0.0284
14:01-15:00, Thu., 24 Oct. 0.0299 0.0258 0.0279
13:01-14:00, Thu., 24 Oct. 0.0308 0.0263 0.0284
12:01-13:00, Thu., 24 Oct. 0.0303 0.0261 0.0283
11:01-12:00, Thu., 24 Oct. 0.0305 0.0262 0.0284
10:01-11:00, Thu., 24 Oct. 0.0302 0.0257 0.0285
09:01-10:00, Thu., 24 Oct. 0.0298 0.0273 0.0285
08:01-09:00, Thu., 24 Oct. 0.0304 0.0267 0.0288
07:01-08:00, Thu., 24 Oct. 0.0313 0.0273 0.0292
06:01-07:00, Thu., 24 Oct. 0.0322 0.0269 0.0294
05:01-06:00, Thu., 24 Oct. 0.0309 0.0272 0.0291
04:01-05:00, Thu., 24 Oct. 0.0309 0.0266 0.0289
03:01-04:00, Thu., 24 Oct. 0.0313 0.0271 0.0289
02:01-03:00, Thu., 24 Oct. 0.0310 0.0266 0.0284
01:01-02:00, Thu., 24 Oct. 0.0302 0.0258 0.0281
00:01-01:00, Thu., 24 Oct. 0.0299 0.0261 0.0279
23:01-24:00, Wed., 23 Oct. 0.0294 0.0253 0.0278
22:01-23:00, Wed., 23 Oct. 0.0295 0.0256 0.0278
21:01-22:00, Wed., 23 Oct. 0.0302 0.0244 0.0277
20:01-21:00, Wed., 23 Oct. 0.0295 0.0249 0.0275
19:01-20:00, Wed., 23 Oct. 0.0298 0.0261 0.0275
18:01-19:00, Wed., 23 Oct. 0.0294 0.0256 0.0275
17:01-18:00, Wed., 23 Oct. 0.0291 0.0254 0.0274
16:01-17:00, Wed., 23 Oct. 0.0289 0.0256 0.0275
15:01-16:00, Wed., 23 Oct. 0.0314 0.0265 0.0284
14:01-15:00, Wed., 23 Oct. 0.0330 0.0268 0.0298
13:01-14:00, Wed., 23 Oct. 0.0324 0.0267 0.0297
12:01-13:00, Wed., 23 Oct. 0.0334 0.0280 0.0308
11:01-12:00, Wed., 23 Oct. 0.0325 0.0269 0.0299
10:01-11:00, Wed., 23 Oct. 0.0313 0.0277 0.0292
09:01-10:00, Wed., 23 Oct. 0.0307 0.0271 0.0288
08:01-09:00, Wed., 23 Oct. 0.0304 0.0266 0.0286
07:01-08:00, Wed., 23 Oct. 0.0304 0.0262 0.0287
06:01-07:00, Wed., 23 Oct. 0.0320 0.0270 0.0289
05:01-06:00, Wed., 23 Oct. 0.0311 0.0271 0.0289
04:01-05:00, Wed., 23 Oct. 0.0310 0.0267 0.0288
03:01-04:00, Wed., 23 Oct. 0.0306 0.0267 0.0288
02:01-03:00, Wed., 23 Oct. 0.0307 0.0266 0.0284
01:01-02:00, Wed., 23 Oct. 0.0301 0.0267 0.0283
00:01-01:00, Wed., 23 Oct. 0.0301 0.0267 0.0281
23:01-24:00, Tue., 22 Oct. 0.0312 0.0265 0.0284
22:01-23:00, Tue., 22 Oct. 0.0298 0.0265 0.0281
21:01-22:00, Tue., 22 Oct. 0.0297 0.0256 0.0280
20:01-21:00, Tue., 22 Oct. 0.0305 0.0259 0.0278
19:01-20:00, Tue., 22 Oct. 0.0297 0.0251 0.0274
18:01-19:00, Tue., 22 Oct. 0.0300 0.0252 0.0278
17:01-18:00, Tue., 22 Oct. 0.0301 0.0256 0.0276
16:01-17:00, Tue., 22 Oct. 0.0301 0.0250 0.0276
15:01-16:00, Tue., 22 Oct. 0.0297 0.0259 0.0277
14:01-15:00, Tue., 22 Oct. 0.0293 0.0254 0.0276
13:01-14:00, Tue., 22 Oct. 0.0301 0.0258 0.0278
12:01-13:00, Tue., 22 Oct. 0.0305 0.0263 0.0281
11:01-12:00, Tue., 22 Oct. 0.0309 0.0252 0.0280
10:01-11:00, Tue., 22 Oct. 0.0304 0.0250 0.0282
09:01-10:00, Tue., 22 Oct. 0.0308 0.0266 0.0284
08:01-09:00, Tue., 22 Oct. 0.0310 0.0264 0.0291
07:01-08:00, Tue., 22 Oct. 0.0322 0.0264 0.0290
06:01-07:00, Tue., 22 Oct. 0.0311 0.0264 0.0286
05:01-06:00, Tue., 22 Oct. 0.0305 0.0261 0.0283
04:01-05:00, Tue., 22 Oct. 0.0302 0.0266 0.0283
03:01-04:00, Tue., 22 Oct. 0.0298 0.0265 0.0280
02:01-03:00, Tue., 22 Oct. 0.0301 0.0262 0.0281
01:01-02:00, Tue., 22 Oct. 0.0302 0.0266 0.0280
00:01-01:00, Tue., 22 Oct. 0.0301 0.0261 0.0279
23:01-24:00, Mon., 21 Oct. 0.0306 0.0266 0.0282
22:01-23:00, Mon., 21 Oct. 0.0308 0.0267 0.0284
21:01-22:00, Mon., 21 Oct. 0.0301 0.0265 0.0281
20:01-21:00, Mon., 21 Oct. 0.0295 0.0252 0.0277
19:01-20:00, Mon., 21 Oct. 0.0297 0.0260 0.0277
18:01-19:00, Mon., 21 Oct. 0.0291 0.0256 0.0275
17:01-18:00, Mon., 21 Oct. 0.0287 0.0252 0.0274
16:01-17:00, Mon., 21 Oct. 0.0294 0.0256 0.0273
15:01-16:00, Mon., 21 Oct. 0.0294 0.0255 0.0272
14:01-15:00, Mon., 21 Oct. 0.0299 0.0252 0.0275
13:01-14:00, Mon., 21 Oct. 0.0310 0.0260 0.0278
12:01-13:00, Mon., 21 Oct. 0.0300 0.0260 0.0278
11:01-12:00, Mon., 21 Oct. 0.0301 0.0259 0.0279
10:01-11:00, Mon., 21 Oct. 0.0300 0.0266 0.0282
09:01-10:00, Mon., 21 Oct. 0.0310 0.0265 0.0284
08:01-09:00, Mon., 21 Oct. 0.0300 0.0259 0.0284
07:01-08:00, Mon., 21 Oct. 0.0303 0.0270 0.0287
06:01-07:00, Mon., 21 Oct. 0.0308 0.0255 0.0285
05:01-06:00, Mon., 21 Oct. 0.0303 0.0262 0.0279
04:01-05:00, Mon., 21 Oct. 0.0298 0.0257 0.0277
03:01-04:00, Mon., 21 Oct. 0.0301 0.0257 0.0280
02:01-03:00, Mon., 21 Oct. 0.0302 0.0264 0.0280
01:01-02:00, Mon., 21 Oct. 0.0301 0.0260 0.0282
00:01-01:00, Mon., 21 Oct. 0.0298 0.0257 0.0280