Measurement results by the hour (Chofu) 11 Dec., 2023 - 17 Dec., 2023

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., 17 Dec. 0.0298 0.0258 0.0279
22:01-23:00, Sun., 17 Dec. 0.0303 0.0260 0.0281
21:01-22:00, Sun., 17 Dec. 0.0308 0.0261 0.0280
20:01-21:00, Sun., 17 Dec. 0.0311 0.0259 0.0281
19:01-20:00, Sun., 17 Dec. 0.0297 0.0262 0.0281
18:01-19:00, Sun., 17 Dec. 0.0297 0.0263 0.0279
17:01-18:00, Sun., 17 Dec. 0.0301 0.0259 0.0280
16:01-17:00, Sun., 17 Dec. 0.0308 0.0260 0.0284
15:01-16:00, Sun., 17 Dec. 0.0302 0.0270 0.0283
14:01-15:00, Sun., 17 Dec. 0.0311 0.0266 0.0288
13:01-14:00, Sun., 17 Dec. 0.0301 0.0262 0.0285
12:01-13:00, Sun., 17 Dec. 0.0310 0.0267 0.0287
11:01-12:00, Sun., 17 Dec. 0.0312 0.0263 0.0287
10:01-11:00, Sun., 17 Dec. 0.0314 0.0274 0.0291
09:01-10:00, Sun., 17 Dec. 0.0309 0.0261 0.0285
08:01-09:00, Sun., 17 Dec. 0.0308 0.0260 0.0282
07:01-08:00, Sun., 17 Dec. 0.0304 0.0261 0.0282
06:01-07:00, Sun., 17 Dec. 0.0310 0.0266 0.0285
05:01-06:00, Sun., 17 Dec. 0.0310 0.0265 0.0289
04:01-05:00, Sun., 17 Dec. 0.0309 0.0274 0.0291
03:01-04:00, Sun., 17 Dec. 0.0317 0.0273 0.0294
02:01-03:00, Sun., 17 Dec. 0.0314 0.0275 0.0294
01:01-02:00, Sun., 17 Dec. 0.0308 0.0263 0.0292
00:01-01:00, Sun., 17 Dec. 0.0318 0.0273 0.0291
23:01-24:00, Sat., 16 Dec. 0.0315 0.0266 0.0290
22:01-23:00, Sat., 16 Dec. 0.0317 0.0274 0.0293
21:01-22:00, Sat., 16 Dec. 0.0317 0.0263 0.0293
20:01-21:00, Sat., 16 Dec. 0.0313 0.0273 0.0292
19:01-20:00, Sat., 16 Dec. 0.0322 0.0276 0.0292
18:01-19:00, Sat., 16 Dec. 0.0310 0.0266 0.0289
17:01-18:00, Sat., 16 Dec. 0.0315 0.0268 0.0292
16:01-17:00, Sat., 16 Dec. 0.0317 0.0272 0.0291
15:01-16:00, Sat., 16 Dec. 0.0315 0.0274 0.0295
14:01-15:00, Sat., 16 Dec. 0.0314 0.0271 0.0296
13:01-14:00, Sat., 16 Dec. 0.0319 0.0280 0.0298
12:01-13:00, Sat., 16 Dec. 0.0318 0.0278 0.0296
11:01-12:00, Sat., 16 Dec. 0.0324 0.0278 0.0297
10:01-11:00, Sat., 16 Dec. 0.0312 0.0274 0.0295
09:01-10:00, Sat., 16 Dec. 0.0325 0.0273 0.0295
08:01-09:00, Sat., 16 Dec. 0.0312 0.0279 0.0295
07:01-08:00, Sat., 16 Dec. 0.0321 0.0274 0.0294
06:01-07:00, Sat., 16 Dec. 0.0310 0.0275 0.0293
05:01-06:00, Sat., 16 Dec. 0.0316 0.0280 0.0299
04:01-05:00, Sat., 16 Dec. 0.0321 0.0273 0.0297
03:01-04:00, Sat., 16 Dec. 0.0314 0.0273 0.0297
02:01-03:00, Sat., 16 Dec. 0.0311 0.0265 0.0288
01:01-02:00, Sat., 16 Dec. 0.0304 0.0267 0.0284
00:01-01:00, Sat., 16 Dec. 0.0304 0.0266 0.0284
23:01-24:00, Fri., 15 Dec. 0.0305 0.0262 0.0283
22:01-23:00, Fri., 15 Dec. 0.0298 0.0265 0.0283
21:01-22:00, Fri., 15 Dec. 0.0308 0.0272 0.0288
20:01-21:00, Fri., 15 Dec. 0.0310 0.0266 0.0287
19:01-20:00, Fri., 15 Dec. 0.0315 0.0266 0.0290
18:01-19:00, Fri., 15 Dec. 0.0317 0.0270 0.0292
17:01-18:00, Fri., 15 Dec. 0.0312 0.0270 0.0292
16:01-17:00, Fri., 15 Dec. 0.0316 0.0276 0.0295
15:01-16:00, Fri., 15 Dec. 0.0315 0.0274 0.0296
14:01-15:00, Fri., 15 Dec. 0.0314 0.0274 0.0296
13:01-14:00, Fri., 15 Dec. 0.0322 0.0275 0.0296
12:01-13:00, Fri., 15 Dec. 0.0314 0.0269 0.0294
11:01-12:00, Fri., 15 Dec. 0.0318 0.0263 0.0295
10:01-11:00, Fri., 15 Dec. 0.0318 0.0272 0.0296
09:01-10:00, Fri., 15 Dec. 0.0318 0.0279 0.0300
08:01-09:00, Fri., 15 Dec. 0.0318 0.0278 0.0299
07:01-08:00, Fri., 15 Dec. 0.0314 0.0270 0.0293
06:01-07:00, Fri., 15 Dec. 0.0316 0.0276 0.0292
05:01-06:00, Fri., 15 Dec. 0.0317 0.0276 0.0299
04:01-05:00, Fri., 15 Dec. 0.0359 0.0290 0.0318
03:01-04:00, Fri., 15 Dec. 0.0343 0.0263 0.0309
02:01-03:00, Fri., 15 Dec. 0.0314 0.0276 0.0293
01:01-02:00, Fri., 15 Dec. 0.0306 0.0266 0.0289
00:01-01:00, Fri., 15 Dec. 0.0311 0.0273 0.0292
23:01-24:00, Thu., 14 Dec. 0.0311 0.0267 0.0292
22:01-23:00, Thu., 14 Dec. 0.0308 0.0273 0.0290
21:01-22:00, Thu., 14 Dec. 0.0301 0.0266 0.0285
20:01-21:00, Thu., 14 Dec. 0.0307 0.0263 0.0285
19:01-20:00, Thu., 14 Dec. 0.0308 0.0259 0.0284
18:01-19:00, Thu., 14 Dec. 0.0307 0.0264 0.0286
17:01-18:00, Thu., 14 Dec. 0.0300 0.0259 0.0283
16:01-17:00, Thu., 14 Dec. 0.0304 0.0253 0.0283
15:01-16:00, Thu., 14 Dec. 0.0317 0.0263 0.0285
14:01-15:00, Thu., 14 Dec. 0.0304 0.0269 0.0288
13:01-14:00, Thu., 14 Dec. 0.0312 0.0266 0.0288
12:01-13:00, Thu., 14 Dec. 0.0311 0.0267 0.0285
11:01-12:00, Thu., 14 Dec. 0.0308 0.0266 0.0290
10:01-11:00, Thu., 14 Dec. 0.0309 0.0259 0.0288
09:01-10:00, Thu., 14 Dec. 0.0304 0.0267 0.0289
08:01-09:00, Thu., 14 Dec. 0.0307 0.0267 0.0293
07:01-08:00, Thu., 14 Dec. 0.0315 0.0273 0.0294
06:01-07:00, Thu., 14 Dec. 0.0318 0.0268 0.0289
05:01-06:00, Thu., 14 Dec. 0.0315 0.0265 0.0288
04:01-05:00, Thu., 14 Dec. 0.0325 0.0277 0.0298
03:01-04:00, Thu., 14 Dec. 0.0329 0.0273 0.0302
02:01-03:00, Thu., 14 Dec. 0.0325 0.0285 0.0304
01:01-02:00, Thu., 14 Dec. 0.0322 0.0283 0.0299
00:01-01:00, Thu., 14 Dec. 0.0318 0.0272 0.0293
23:01-24:00, Wed., 13 Dec. 0.0301 0.0266 0.0284
22:01-23:00, Wed., 13 Dec. 0.0304 0.0259 0.0280
21:01-22:00, Wed., 13 Dec. 0.0299 0.0247 0.0278
20:01-21:00, Wed., 13 Dec. 0.0294 0.0253 0.0277
19:01-20:00, Wed., 13 Dec. 0.0294 0.0258 0.0275
18:01-19:00, Wed., 13 Dec. 0.0298 0.0250 0.0276
17:01-18:00, Wed., 13 Dec. 0.0299 0.0249 0.0276
16:01-17:00, Wed., 13 Dec. 0.0294 0.0253 0.0277
15:01-16:00, Wed., 13 Dec. 0.0308 0.0266 0.0283
14:01-15:00, Wed., 13 Dec. 0.0298 0.0266 0.0281
13:01-14:00, Wed., 13 Dec. 0.0306 0.0258 0.0282
12:01-13:00, Wed., 13 Dec. 0.0304 0.0264 0.0282
11:01-12:00, Wed., 13 Dec. 0.0308 0.0259 0.0279
10:01-11:00, Wed., 13 Dec. 0.0292 0.0259 0.0279
09:01-10:00, Wed., 13 Dec. 0.0303 0.0255 0.0279
08:01-09:00, Wed., 13 Dec. 0.0300 0.0258 0.0279
07:01-08:00, Wed., 13 Dec. 0.0297 0.0256 0.0280
06:01-07:00, Wed., 13 Dec. 0.0308 0.0253 0.0281
05:01-06:00, Wed., 13 Dec. 0.0308 0.0262 0.0282
04:01-05:00, Wed., 13 Dec. 0.0301 0.0262 0.0279
03:01-04:00, Wed., 13 Dec. 0.0302 0.0263 0.0279
02:01-03:00, Wed., 13 Dec. 0.0304 0.0266 0.0281
01:01-02:00, Wed., 13 Dec. 0.0318 0.0262 0.0287
00:01-01:00, Wed., 13 Dec. 0.0328 0.0273 0.0302
23:01-24:00, Tue., 12 Dec. 0.0412 0.0300 0.0357
22:01-23:00, Tue., 12 Dec. 0.0444 0.0390 0.0419
21:01-22:00, Tue., 12 Dec. 0.0437 0.0273 0.0346
20:01-21:00, Tue., 12 Dec. 0.0312 0.0271 0.0292
19:01-20:00, Tue., 12 Dec. 0.0319 0.0273 0.0292
18:01-19:00, Tue., 12 Dec. 0.0313 0.0267 0.0288
17:01-18:00, Tue., 12 Dec. 0.0312 0.0263 0.0286
16:01-17:00, Tue., 12 Dec. 0.0306 0.0267 0.0284
15:01-16:00, Tue., 12 Dec. 0.0308 0.0264 0.0286
14:01-15:00, Tue., 12 Dec. 0.0304 0.0270 0.0287
13:01-14:00, Tue., 12 Dec. 0.0304 0.0264 0.0287
12:01-13:00, Tue., 12 Dec. 0.0307 0.0273 0.0287
11:01-12:00, Tue., 12 Dec. 0.0315 0.0273 0.0290
10:01-11:00, Tue., 12 Dec. 0.0331 0.0283 0.0305
09:01-10:00, Tue., 12 Dec. 0.0388 0.0308 0.0348
08:01-09:00, Tue., 12 Dec. 0.0374 0.0302 0.0344
07:01-08:00, Tue., 12 Dec. 0.0377 0.0300 0.0331
06:01-07:00, Tue., 12 Dec. 0.0396 0.0335 0.0360
05:01-06:00, Tue., 12 Dec. 0.0399 0.0323 0.0366
04:01-05:00, Tue., 12 Dec. 0.0398 0.0339 0.0369
03:01-04:00, Tue., 12 Dec. 0.0441 0.0381 0.0410
02:01-03:00, Tue., 12 Dec. 0.0481 0.0425 0.0453
01:01-02:00, Tue., 12 Dec. 0.0444 0.0341 0.0386
00:01-01:00, Tue., 12 Dec. 0.0404 0.0346 0.0377
23:01-24:00, Mon., 11 Dec. 0.0384 0.0282 0.0328
22:01-23:00, Mon., 11 Dec. 0.0309 0.0266 0.0290
21:01-22:00, Mon., 11 Dec. 0.0306 0.0264 0.0287
20:01-21:00, Mon., 11 Dec. 0.0314 0.0264 0.0290
19:01-20:00, Mon., 11 Dec. 0.0307 0.0271 0.0289
18:01-19:00, Mon., 11 Dec. 0.0314 0.0270 0.0286
17:01-18:00, Mon., 11 Dec. 0.0307 0.0266 0.0290
16:01-17:00, Mon., 11 Dec. 0.0312 0.0269 0.0288
15:01-16:00, Mon., 11 Dec. 0.0315 0.0279 0.0296
14:01-15:00, Mon., 11 Dec. 0.0325 0.0279 0.0297
13:01-14:00, Mon., 11 Dec. 0.0320 0.0278 0.0300
12:01-13:00, Mon., 11 Dec. 0.0328 0.0277 0.0300
11:01-12:00, Mon., 11 Dec. 0.0318 0.0276 0.0301
10:01-11:00, Mon., 11 Dec. 0.0319 0.0273 0.0300
09:01-10:00, Mon., 11 Dec. 0.0325 0.0276 0.0301
08:01-09:00, Mon., 11 Dec. 0.0329 0.0280 0.0301
07:01-08:00, Mon., 11 Dec. 0.0315 0.0280 0.0299
06:01-07:00, Mon., 11 Dec. 0.0323 0.0270 0.0299
05:01-06:00, Mon., 11 Dec. 0.0323 0.0278 0.0301
04:01-05:00, Mon., 11 Dec. 0.0313 0.0272 0.0298
03:01-04:00, Mon., 11 Dec. 0.0329 0.0282 0.0302
02:01-03:00, Mon., 11 Dec. 0.0327 0.0283 0.0302
01:01-02:00, Mon., 11 Dec. 0.0333 0.0286 0.0303
00:01-01:00, Mon., 11 Dec. 0.0329 0.0279 0.0303