Measurement results by the hour (Chofu) 14 Oct., 2024 - 20 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., 20 Oct. 0.0296 0.0251 0.0280
22:01-23:00, Sun., 20 Oct. 0.0297 0.0257 0.0277
21:01-22:00, Sun., 20 Oct. 0.0300 0.0260 0.0277
20:01-21:00, Sun., 20 Oct. 0.0298 0.0256 0.0278
19:01-20:00, Sun., 20 Oct. 0.0297 0.0259 0.0278
18:01-19:00, Sun., 20 Oct. 0.0296 0.0258 0.0279
17:01-18:00, Sun., 20 Oct. 0.0303 0.0261 0.0281
16:01-17:00, Sun., 20 Oct. 0.0301 0.0256 0.0280
15:01-16:00, Sun., 20 Oct. 0.0299 0.0257 0.0278
14:01-15:00, Sun., 20 Oct. 0.0310 0.0257 0.0280
13:01-14:00, Sun., 20 Oct. 0.0306 0.0255 0.0281
12:01-13:00, Sun., 20 Oct. 0.0301 0.0262 0.0280
11:01-12:00, Sun., 20 Oct. 0.0297 0.0266 0.0282
10:01-11:00, Sun., 20 Oct. 0.0304 0.0256 0.0281
09:01-10:00, Sun., 20 Oct. 0.0310 0.0265 0.0284
08:01-09:00, Sun., 20 Oct. 0.0322 0.0273 0.0297
07:01-08:00, Sun., 20 Oct. 0.0333 0.0263 0.0289
06:01-07:00, Sun., 20 Oct. 0.0311 0.0262 0.0282
05:01-06:00, Sun., 20 Oct. 0.0305 0.0263 0.0285
04:01-05:00, Sun., 20 Oct. 0.0301 0.0263 0.0283
03:01-04:00, Sun., 20 Oct. 0.0300 0.0267 0.0283
02:01-03:00, Sun., 20 Oct. 0.0306 0.0271 0.0288
01:01-02:00, Sun., 20 Oct. 0.0310 0.0271 0.0290
00:01-01:00, Sun., 20 Oct. 0.0315 0.0270 0.0289
23:01-24:00, Sat., 19 Oct. 0.0308 0.0268 0.0288
22:01-23:00, Sat., 19 Oct. 0.0328 0.0272 0.0300
21:01-22:00, Sat., 19 Oct. 0.0359 0.0294 0.0326
20:01-21:00, Sat., 19 Oct. 0.0421 0.0332 0.0378
19:01-20:00, Sat., 19 Oct. 0.0397 0.0273 0.0335
18:01-19:00, Sat., 19 Oct. 0.0309 0.0259 0.0286
17:01-18:00, Sat., 19 Oct. 0.0298 0.0260 0.0279
16:01-17:00, Sat., 19 Oct. 0.0301 0.0264 0.0283
15:01-16:00, Sat., 19 Oct. 0.0317 0.0265 0.0283
14:01-15:00, Sat., 19 Oct. 0.0298 0.0256 0.0276
13:01-14:00, Sat., 19 Oct. 0.0292 0.0255 0.0274
12:01-13:00, Sat., 19 Oct. 0.0295 0.0253 0.0272
11:01-12:00, Sat., 19 Oct. 0.0290 0.0256 0.0274
10:01-11:00, Sat., 19 Oct. 0.0304 0.0264 0.0282
09:01-10:00, Sat., 19 Oct. 0.0311 0.0259 0.0283
08:01-09:00, Sat., 19 Oct. 0.0304 0.0266 0.0287
07:01-08:00, Sat., 19 Oct. 0.0307 0.0270 0.0286
06:01-07:00, Sat., 19 Oct. 0.0310 0.0259 0.0285
05:01-06:00, Sat., 19 Oct. 0.0302 0.0263 0.0280
04:01-05:00, Sat., 19 Oct. 0.0307 0.0268 0.0284
03:01-04:00, Sat., 19 Oct. 0.0310 0.0265 0.0283
02:01-03:00, Sat., 19 Oct. 0.0301 0.0262 0.0282
01:01-02:00, Sat., 19 Oct. 0.0304 0.0263 0.0284
00:01-01:00, Sat., 19 Oct. 0.0298 0.0262 0.0280
23:01-24:00, Fri., 18 Oct. 0.0298 0.0262 0.0284
22:01-23:00, Fri., 18 Oct. 0.0311 0.0270 0.0290
21:01-22:00, Fri., 18 Oct. 0.0327 0.0271 0.0295
20:01-21:00, Fri., 18 Oct. 0.0332 0.0287 0.0306
19:01-20:00, Fri., 18 Oct. 0.0346 0.0271 0.0306
18:01-19:00, Fri., 18 Oct. 0.0317 0.0252 0.0284
17:01-18:00, Fri., 18 Oct. 0.0312 0.0257 0.0287
16:01-17:00, Fri., 18 Oct. 0.0311 0.0266 0.0288
15:01-16:00, Fri., 18 Oct. 0.0316 0.0267 0.0293
14:01-15:00, Fri., 18 Oct. 0.0321 0.0274 0.0295
13:01-14:00, Fri., 18 Oct. 0.0336 0.0287 0.0310
12:01-13:00, Fri., 18 Oct. 0.0335 0.0268 0.0303
11:01-12:00, Fri., 18 Oct. 0.0312 0.0270 0.0293
10:01-11:00, Fri., 18 Oct. 0.0331 0.0286 0.0303
09:01-10:00, Fri., 18 Oct. 0.0332 0.0277 0.0301
08:01-09:00, Fri., 18 Oct. 0.0308 0.0269 0.0291
07:01-08:00, Fri., 18 Oct. 0.0319 0.0273 0.0292
06:01-07:00, Fri., 18 Oct. 0.0322 0.0266 0.0291
05:01-06:00, Fri., 18 Oct. 0.0308 0.0262 0.0286
04:01-05:00, Fri., 18 Oct. 0.0300 0.0261 0.0282
03:01-04:00, Fri., 18 Oct. 0.0300 0.0265 0.0285
02:01-03:00, Fri., 18 Oct. 0.0304 0.0259 0.0281
01:01-02:00, Fri., 18 Oct. 0.0301 0.0265 0.0284
00:01-01:00, Fri., 18 Oct. 0.0308 0.0261 0.0284
23:01-24:00, Thu., 17 Oct. 0.0308 0.0252 0.0281
22:01-23:00, Thu., 17 Oct. 0.0308 0.0259 0.0280
21:01-22:00, Thu., 17 Oct. 0.0295 0.0258 0.0278
20:01-21:00, Thu., 17 Oct. 0.0300 0.0260 0.0279
19:01-20:00, Thu., 17 Oct. 0.0310 0.0263 0.0280
18:01-19:00, Thu., 17 Oct. 0.0301 0.0253 0.0282
17:01-18:00, Thu., 17 Oct. 0.0306 0.0262 0.0279
16:01-17:00, Thu., 17 Oct. 0.0307 0.0263 0.0282
15:01-16:00, Thu., 17 Oct. 0.0304 0.0260 0.0280
14:01-15:00, Thu., 17 Oct. 0.0303 0.0262 0.0281
13:01-14:00, Thu., 17 Oct. 0.0303 0.0261 0.0281
12:01-13:00, Thu., 17 Oct. 0.0294 0.0259 0.0281
11:01-12:00, Thu., 17 Oct. 0.0307 0.0262 0.0285
10:01-11:00, Thu., 17 Oct. 0.0315 0.0266 0.0289
09:01-10:00, Thu., 17 Oct. 0.0320 0.0283 0.0299
08:01-09:00, Thu., 17 Oct. 0.0326 0.0273 0.0301
07:01-08:00, Thu., 17 Oct. 0.0326 0.0281 0.0301
06:01-07:00, Thu., 17 Oct. 0.0326 0.0279 0.0299
05:01-06:00, Thu., 17 Oct. 0.0318 0.0276 0.0297
04:01-05:00, Thu., 17 Oct. 0.0322 0.0278 0.0299
03:01-04:00, Thu., 17 Oct. 0.0322 0.0273 0.0295
02:01-03:00, Thu., 17 Oct. 0.0322 0.0280 0.0298
01:01-02:00, Thu., 17 Oct. 0.0317 0.0273 0.0295
00:01-01:00, Thu., 17 Oct. 0.0316 0.0273 0.0293
23:01-24:00, Wed., 16 Oct. 0.0309 0.0272 0.0293
22:01-23:00, Wed., 16 Oct. 0.0311 0.0269 0.0289
21:01-22:00, Wed., 16 Oct. 0.0310 0.0268 0.0287
20:01-21:00, Wed., 16 Oct. 0.0305 0.0273 0.0287
19:01-20:00, Wed., 16 Oct. 0.0305 0.0263 0.0286
18:01-19:00, Wed., 16 Oct. 0.0303 0.0266 0.0283
17:01-18:00, Wed., 16 Oct. 0.0305 0.0264 0.0282
16:01-17:00, Wed., 16 Oct. 0.0302 0.0256 0.0281
15:01-16:00, Wed., 16 Oct. 0.0298 0.0258 0.0280
14:01-15:00, Wed., 16 Oct. 0.0301 0.0257 0.0280
13:01-14:00, Wed., 16 Oct. 0.0299 0.0263 0.0281
12:01-13:00, Wed., 16 Oct. 0.0308 0.0261 0.0284
11:01-12:00, Wed., 16 Oct. 0.0321 0.0261 0.0284
10:01-11:00, Wed., 16 Oct. 0.0308 0.0267 0.0283
09:01-10:00, Wed., 16 Oct. 0.0308 0.0257 0.0288
08:01-09:00, Wed., 16 Oct. 0.0308 0.0271 0.0288
07:01-08:00, Wed., 16 Oct. 0.0319 0.0276 0.0293
06:01-07:00, Wed., 16 Oct. 0.0310 0.0270 0.0290
05:01-06:00, Wed., 16 Oct. 0.0311 0.0273 0.0291
04:01-05:00, Wed., 16 Oct. 0.0319 0.0262 0.0286
03:01-04:00, Wed., 16 Oct. 0.0309 0.0265 0.0286
02:01-03:00, Wed., 16 Oct. 0.0300 0.0253 0.0280
01:01-02:00, Wed., 16 Oct. 0.0297 0.0258 0.0279
00:01-01:00, Wed., 16 Oct. 0.0306 0.0256 0.0278
23:01-24:00, Tue., 15 Oct. 0.0293 0.0249 0.0273
22:01-23:00, Tue., 15 Oct. 0.0301 0.0255 0.0273
21:01-22:00, Tue., 15 Oct. 0.0293 0.0259 0.0274
20:01-21:00, Tue., 15 Oct. 0.0297 0.0252 0.0273
19:01-20:00, Tue., 15 Oct. 0.0294 0.0248 0.0276
18:01-19:00, Tue., 15 Oct. 0.0297 0.0249 0.0273
17:01-18:00, Tue., 15 Oct. 0.0293 0.0248 0.0272
16:01-17:00, Tue., 15 Oct. 0.0298 0.0242 0.0271
15:01-16:00, Tue., 15 Oct. 0.0291 0.0257 0.0274
14:01-15:00, Tue., 15 Oct. 0.0298 0.0258 0.0274
13:01-14:00, Tue., 15 Oct. 0.0291 0.0253 0.0272
12:01-13:00, Tue., 15 Oct. 0.0296 0.0261 0.0277
11:01-12:00, Tue., 15 Oct. 0.0295 0.0255 0.0278
10:01-11:00, Tue., 15 Oct. 0.0295 0.0254 0.0277
09:01-10:00, Tue., 15 Oct. 0.0297 0.0263 0.0280
08:01-09:00, Tue., 15 Oct. 0.0300 0.0260 0.0278
07:01-08:00, Tue., 15 Oct. 0.0311 0.0259 0.0284
06:01-07:00, Tue., 15 Oct. 0.0298 0.0256 0.0282
05:01-06:00, Tue., 15 Oct. 0.0306 0.0262 0.0284
04:01-05:00, Tue., 15 Oct. 0.0306 0.0249 0.0281
03:01-04:00, Tue., 15 Oct. 0.0304 0.0265 0.0281
02:01-03:00, Tue., 15 Oct. 0.0298 0.0257 0.0279
01:01-02:00, Tue., 15 Oct. 0.0298 0.0259 0.0277
00:01-01:00, Tue., 15 Oct. 0.0298 0.0252 0.0274
23:01-24:00, Mon., 14 Oct. 0.0294 0.0256 0.0276
22:01-23:00, Mon., 14 Oct. 0.0292 0.0264 0.0276
21:01-22:00, Mon., 14 Oct. 0.0300 0.0258 0.0275
20:01-21:00, Mon., 14 Oct. 0.0297 0.0253 0.0274
19:01-20:00, Mon., 14 Oct. 0.0295 0.0256 0.0275
18:01-19:00, Mon., 14 Oct. 0.0293 0.0250 0.0273
17:01-18:00, Mon., 14 Oct. 0.0299 0.0256 0.0274
16:01-17:00, Mon., 14 Oct. 0.0301 0.0248 0.0275
15:01-16:00, Mon., 14 Oct. 0.0294 0.0259 0.0275
14:01-15:00, Mon., 14 Oct. 0.0299 0.0263 0.0276
13:01-14:00, Mon., 14 Oct. 0.0291 0.0252 0.0274
12:01-13:00, Mon., 14 Oct. 0.0299 0.0254 0.0276
11:01-12:00, Mon., 14 Oct. 0.0295 0.0258 0.0278
10:01-11:00, Mon., 14 Oct. 0.0292 0.0262 0.0278
09:01-10:00, Mon., 14 Oct. 0.0298 0.0262 0.0280
08:01-09:00, Mon., 14 Oct. 0.0297 0.0263 0.0283
07:01-08:00, Mon., 14 Oct. 0.0303 0.0256 0.0281
06:01-07:00, Mon., 14 Oct. 0.0298 0.0256 0.0281
05:01-06:00, Mon., 14 Oct. 0.0302 0.0260 0.0279
04:01-05:00, Mon., 14 Oct. 0.0299 0.0266 0.0282
03:01-04:00, Mon., 14 Oct. 0.0304 0.0259 0.0280
02:01-03:00, Mon., 14 Oct. 0.0301 0.0262 0.0280
01:01-02:00, Mon., 14 Oct. 0.0301 0.0260 0.0281
00:01-01:00, Mon., 14 Oct. 0.0311 0.0263 0.0282