Measurement results by the hour (Chofu) 23 Dec., 2024 - 29 Dec., 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., 29 Dec. 0.0300 0.0260 0.0283
22:01-23:00, Sun., 29 Dec. 0.0301 0.0263 0.0281
21:01-22:00, Sun., 29 Dec. 0.0307 0.0262 0.0281
20:01-21:00, Sun., 29 Dec. 0.0301 0.0262 0.0283
19:01-20:00, Sun., 29 Dec. 0.0298 0.0263 0.0282
18:01-19:00, Sun., 29 Dec. 0.0298 0.0265 0.0281
17:01-18:00, Sun., 29 Dec. 0.0308 0.0256 0.0281
16:01-17:00, Sun., 29 Dec. 0.0305 0.0263 0.0280
15:01-16:00, Sun., 29 Dec. 0.0298 0.0257 0.0281
14:01-15:00, Sun., 29 Dec. 0.0306 0.0265 0.0280
13:01-14:00, Sun., 29 Dec. 0.0302 0.0266 0.0281
12:01-13:00, Sun., 29 Dec. 0.0299 0.0259 0.0281
11:01-12:00, Sun., 29 Dec. 0.0299 0.0264 0.0283
10:01-11:00, Sun., 29 Dec. 0.0306 0.0261 0.0285
09:01-10:00, Sun., 29 Dec. 0.0325 0.0268 0.0290
08:01-09:00, Sun., 29 Dec. 0.0318 0.0273 0.0294
07:01-08:00, Sun., 29 Dec. 0.0315 0.0272 0.0295
06:01-07:00, Sun., 29 Dec. 0.0318 0.0273 0.0294
05:01-06:00, Sun., 29 Dec. 0.0322 0.0269 0.0295
04:01-05:00, Sun., 29 Dec. 0.0312 0.0276 0.0292
03:01-04:00, Sun., 29 Dec. 0.0312 0.0273 0.0292
02:01-03:00, Sun., 29 Dec. 0.0311 0.0273 0.0291
01:01-02:00, Sun., 29 Dec. 0.0318 0.0263 0.0287
00:01-01:00, Sun., 29 Dec. 0.0308 0.0261 0.0283
23:01-24:00, Sat., 28 Dec. 0.0309 0.0264 0.0283
22:01-23:00, Sat., 28 Dec. 0.0301 0.0262 0.0281
21:01-22:00, Sat., 28 Dec. 0.0305 0.0259 0.0279
20:01-21:00, Sat., 28 Dec. 0.0306 0.0261 0.0281
19:01-20:00, Sat., 28 Dec. 0.0298 0.0263 0.0282
18:01-19:00, Sat., 28 Dec. 0.0304 0.0261 0.0284
17:01-18:00, Sat., 28 Dec. 0.0298 0.0271 0.0286
16:01-17:00, Sat., 28 Dec. 0.0311 0.0268 0.0288
15:01-16:00, Sat., 28 Dec. 0.0303 0.0259 0.0282
14:01-15:00, Sat., 28 Dec. 0.0298 0.0263 0.0284
13:01-14:00, Sat., 28 Dec. 0.0310 0.0262 0.0282
12:01-13:00, Sat., 28 Dec. 0.0308 0.0272 0.0289
11:01-12:00, Sat., 28 Dec. 0.0308 0.0270 0.0291
10:01-11:00, Sat., 28 Dec. 0.0318 0.0270 0.0294
09:01-10:00, Sat., 28 Dec. 0.0323 0.0273 0.0303
08:01-09:00, Sat., 28 Dec. 0.0330 0.0288 0.0311
07:01-08:00, Sat., 28 Dec. 0.0336 0.0292 0.0314
06:01-07:00, Sat., 28 Dec. 0.0335 0.0286 0.0312
05:01-06:00, Sat., 28 Dec. 0.0331 0.0288 0.0310
04:01-05:00, Sat., 28 Dec. 0.0340 0.0287 0.0307
03:01-04:00, Sat., 28 Dec. 0.0324 0.0287 0.0304
02:01-03:00, Sat., 28 Dec. 0.0319 0.0273 0.0302
01:01-02:00, Sat., 28 Dec. 0.0312 0.0272 0.0294
00:01-01:00, Sat., 28 Dec. 0.0318 0.0268 0.0292
23:01-24:00, Fri., 27 Dec. 0.0308 0.0272 0.0290
22:01-23:00, Fri., 27 Dec. 0.0306 0.0268 0.0288
21:01-22:00, Fri., 27 Dec. 0.0312 0.0266 0.0287
20:01-21:00, Fri., 27 Dec. 0.0301 0.0269 0.0287
19:01-20:00, Fri., 27 Dec. 0.0319 0.0270 0.0288
18:01-19:00, Fri., 27 Dec. 0.0311 0.0270 0.0289
17:01-18:00, Fri., 27 Dec. 0.0308 0.0262 0.0290
16:01-17:00, Fri., 27 Dec. 0.0310 0.0267 0.0290
15:01-16:00, Fri., 27 Dec. 0.0317 0.0264 0.0283
14:01-15:00, Fri., 27 Dec. 0.0304 0.0270 0.0283
13:01-14:00, Fri., 27 Dec. 0.0304 0.0262 0.0283
12:01-13:00, Fri., 27 Dec. 0.0308 0.0264 0.0285
11:01-12:00, Fri., 27 Dec. 0.0305 0.0266 0.0286
10:01-11:00, Fri., 27 Dec. 0.0307 0.0267 0.0287
09:01-10:00, Fri., 27 Dec. 0.0307 0.0262 0.0284
08:01-09:00, Fri., 27 Dec. 0.0316 0.0270 0.0290
07:01-08:00, Fri., 27 Dec. 0.0308 0.0273 0.0287
06:01-07:00, Fri., 27 Dec. 0.0310 0.0271 0.0289
05:01-06:00, Fri., 27 Dec. 0.0306 0.0272 0.0289
04:01-05:00, Fri., 27 Dec. 0.0304 0.0263 0.0288
03:01-04:00, Fri., 27 Dec. 0.0308 0.0262 0.0288
02:01-03:00, Fri., 27 Dec. 0.0309 0.0263 0.0287
01:01-02:00, Fri., 27 Dec. 0.0322 0.0257 0.0283
00:01-01:00, Fri., 27 Dec. 0.0299 0.0263 0.0282
23:01-24:00, Thu., 26 Dec. 0.0301 0.0260 0.0282
22:01-23:00, Thu., 26 Dec. 0.0299 0.0261 0.0283
21:01-22:00, Thu., 26 Dec. 0.0310 0.0269 0.0284
20:01-21:00, Thu., 26 Dec. 0.0311 0.0263 0.0285
19:01-20:00, Thu., 26 Dec. 0.0310 0.0256 0.0286
18:01-19:00, Thu., 26 Dec. 0.0307 0.0260 0.0282
17:01-18:00, Thu., 26 Dec. 0.0301 0.0261 0.0282
16:01-17:00, Thu., 26 Dec. 0.0302 0.0255 0.0282
15:01-16:00, Thu., 26 Dec. 0.0304 0.0267 0.0286
14:01-15:00, Thu., 26 Dec. 0.0304 0.0256 0.0285
13:01-14:00, Thu., 26 Dec. 0.0303 0.0266 0.0286
12:01-13:00, Thu., 26 Dec. 0.0303 0.0259 0.0285
11:01-12:00, Thu., 26 Dec. 0.0310 0.0273 0.0290
10:01-11:00, Thu., 26 Dec. 0.0307 0.0265 0.0290
09:01-10:00, Thu., 26 Dec. 0.0325 0.0278 0.0302
08:01-09:00, Thu., 26 Dec. 0.0330 0.0280 0.0308
07:01-08:00, Thu., 26 Dec. 0.0322 0.0280 0.0303
06:01-07:00, Thu., 26 Dec. 0.0324 0.0279 0.0302
05:01-06:00, Thu., 26 Dec. 0.0325 0.0281 0.0300
04:01-05:00, Thu., 26 Dec. 0.0316 0.0273 0.0298
03:01-04:00, Thu., 26 Dec. 0.0330 0.0283 0.0299
02:01-03:00, Thu., 26 Dec. 0.0311 0.0273 0.0295
01:01-02:00, Thu., 26 Dec. 0.0316 0.0275 0.0293
00:01-01:00, Thu., 26 Dec. 0.0315 0.0268 0.0293
23:01-24:00, Wed., 25 Dec. 0.0312 0.0269 0.0292
22:01-23:00, Wed., 25 Dec. 0.0309 0.0273 0.0288
21:01-22:00, Wed., 25 Dec. 0.0305 0.0261 0.0282
20:01-21:00, Wed., 25 Dec. 0.0290 0.0249 0.0274
19:01-20:00, Wed., 25 Dec. 0.0299 0.0252 0.0272
18:01-19:00, Wed., 25 Dec. 0.0298 0.0252 0.0273
17:01-18:00, Wed., 25 Dec. 0.0295 0.0256 0.0272
16:01-17:00, Wed., 25 Dec. 0.0287 0.0250 0.0273
15:01-16:00, Wed., 25 Dec. 0.0287 0.0253 0.0272
14:01-15:00, Wed., 25 Dec. 0.0299 0.0253 0.0276
13:01-14:00, Wed., 25 Dec. 0.0297 0.0242 0.0276
12:01-13:00, Wed., 25 Dec. 0.0295 0.0252 0.0274
11:01-12:00, Wed., 25 Dec. 0.0290 0.0246 0.0270
10:01-11:00, Wed., 25 Dec. 0.0291 0.0252 0.0273
09:01-10:00, Wed., 25 Dec. 0.0310 0.0256 0.0282
08:01-09:00, Wed., 25 Dec. 0.0313 0.0270 0.0294
07:01-08:00, Wed., 25 Dec. 0.0318 0.0281 0.0299
06:01-07:00, Wed., 25 Dec. 0.0315 0.0278 0.0296
05:01-06:00, Wed., 25 Dec. 0.0318 0.0276 0.0294
04:01-05:00, Wed., 25 Dec. 0.0318 0.0273 0.0298
03:01-04:00, Wed., 25 Dec. 0.0316 0.0270 0.0296
02:01-03:00, Wed., 25 Dec. 0.0307 0.0263 0.0288
01:01-02:00, Wed., 25 Dec. 0.0312 0.0254 0.0283
00:01-01:00, Wed., 25 Dec. 0.0305 0.0251 0.0280
23:01-24:00, Tue., 24 Dec. 0.0291 0.0261 0.0279
22:01-23:00, Tue., 24 Dec. 0.0300 0.0259 0.0278
21:01-22:00, Tue., 24 Dec. 0.0294 0.0258 0.0276
20:01-21:00, Tue., 24 Dec. 0.0294 0.0256 0.0276
19:01-20:00, Tue., 24 Dec. 0.0294 0.0249 0.0274
18:01-19:00, Tue., 24 Dec. 0.0290 0.0250 0.0275
17:01-18:00, Tue., 24 Dec. 0.0306 0.0255 0.0276
16:01-17:00, Tue., 24 Dec. 0.0298 0.0252 0.0280
15:01-16:00, Tue., 24 Dec. 0.0303 0.0257 0.0280
14:01-15:00, Tue., 24 Dec. 0.0301 0.0257 0.0279
13:01-14:00, Tue., 24 Dec. 0.0299 0.0258 0.0281
12:01-13:00, Tue., 24 Dec. 0.0302 0.0265 0.0285
11:01-12:00, Tue., 24 Dec. 0.0307 0.0269 0.0285
10:01-11:00, Tue., 24 Dec. 0.0303 0.0259 0.0284
09:01-10:00, Tue., 24 Dec. 0.0325 0.0270 0.0296
08:01-09:00, Tue., 24 Dec. 0.0319 0.0287 0.0306
07:01-08:00, Tue., 24 Dec. 0.0335 0.0284 0.0308
06:01-07:00, Tue., 24 Dec. 0.0326 0.0272 0.0302
05:01-06:00, Tue., 24 Dec. 0.0318 0.0281 0.0301
04:01-05:00, Tue., 24 Dec. 0.0319 0.0274 0.0296
03:01-04:00, Tue., 24 Dec. 0.0316 0.0270 0.0289
02:01-03:00, Tue., 24 Dec. 0.0311 0.0265 0.0291
01:01-02:00, Tue., 24 Dec. 0.0311 0.0274 0.0292
00:01-01:00, Tue., 24 Dec. 0.0313 0.0268 0.0286
23:01-24:00, Mon., 23 Dec. 0.0314 0.0270 0.0291
22:01-23:00, Mon., 23 Dec. 0.0321 0.0266 0.0288
21:01-22:00, Mon., 23 Dec. 0.0301 0.0262 0.0281
20:01-21:00, Mon., 23 Dec. 0.0290 0.0256 0.0274
19:01-20:00, Mon., 23 Dec. 0.0303 0.0254 0.0275
18:01-19:00, Mon., 23 Dec. 0.0294 0.0252 0.0276
17:01-18:00, Mon., 23 Dec. 0.0295 0.0254 0.0275
16:01-17:00, Mon., 23 Dec. 0.0294 0.0251 0.0274
15:01-16:00, Mon., 23 Dec. 0.0309 0.0254 0.0278
14:01-15:00, Mon., 23 Dec. 0.0301 0.0261 0.0280
13:01-14:00, Mon., 23 Dec. 0.0301 0.0254 0.0279
12:01-13:00, Mon., 23 Dec. 0.0297 0.0264 0.0281
11:01-12:00, Mon., 23 Dec. 0.0310 0.0251 0.0281
10:01-11:00, Mon., 23 Dec. 0.0310 0.0259 0.0282
09:01-10:00, Mon., 23 Dec. 0.0314 0.0270 0.0293
08:01-09:00, Mon., 23 Dec. 0.0318 0.0268 0.0291
07:01-08:00, Mon., 23 Dec. 0.0311 0.0265 0.0289
06:01-07:00, Mon., 23 Dec. 0.0304 0.0259 0.0283
05:01-06:00, Mon., 23 Dec. 0.0305 0.0262 0.0283
04:01-05:00, Mon., 23 Dec. 0.0300 0.0259 0.0278
03:01-04:00, Mon., 23 Dec. 0.0299 0.0249 0.0279
02:01-03:00, Mon., 23 Dec. 0.0305 0.0259 0.0280
01:01-02:00, Mon., 23 Dec. 0.0302 0.0267 0.0282
00:01-01:00, Mon., 23 Dec. 0.0298 0.0269 0.0283