Measurement results by the hour (Chofu) 28 Nov., 2022 - 4 Dec., 2022

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., 04 Dec. 0.0293 0.0256 0.0279
22:01-23:00, Sun., 04 Dec. 0.0296 0.0258 0.0278
21:01-22:00, Sun., 04 Dec. 0.0298 0.0256 0.0279
20:01-21:00, Sun., 04 Dec. 0.0293 0.0261 0.0279
19:01-20:00, Sun., 04 Dec. 0.0295 0.0261 0.0276
18:01-19:00, Sun., 04 Dec. 0.0301 0.0263 0.0276
17:01-18:00, Sun., 04 Dec. 0.0293 0.0263 0.0277
16:01-17:00, Sun., 04 Dec. 0.0296 0.0260 0.0276
15:01-16:00, Sun., 04 Dec. 0.0302 0.0260 0.0283
14:01-15:00, Sun., 04 Dec. 0.0296 0.0263 0.0281
13:01-14:00, Sun., 04 Dec. 0.0297 0.0259 0.0281
12:01-13:00, Sun., 04 Dec. 0.0300 0.0272 0.0285
11:01-12:00, Sun., 04 Dec. 0.0308 0.0267 0.0286
10:01-11:00, Sun., 04 Dec. 0.0319 0.0276 0.0293
09:01-10:00, Sun., 04 Dec. 0.0323 0.0285 0.0300
08:01-09:00, Sun., 04 Dec. 0.0324 0.0281 0.0305
07:01-08:00, Sun., 04 Dec. 0.0325 0.0276 0.0301
06:01-07:00, Sun., 04 Dec. 0.0321 0.0283 0.0301
05:01-06:00, Sun., 04 Dec. 0.0323 0.0277 0.0302
04:01-05:00, Sun., 04 Dec. 0.0331 0.0281 0.0301
03:01-04:00, Sun., 04 Dec. 0.0319 0.0280 0.0301
02:01-03:00, Sun., 04 Dec. 0.0319 0.0283 0.0300
01:01-02:00, Sun., 04 Dec. 0.0322 0.0284 0.0297
00:01-01:00, Sun., 04 Dec. 0.0317 0.0276 0.0295
23:01-24:00, Sat., 03 Dec. 0.0311 0.0275 0.0294
22:01-23:00, Sat., 03 Dec. 0.0311 0.0274 0.0292
21:01-22:00, Sat., 03 Dec. 0.0308 0.0267 0.0286
20:01-21:00, Sat., 03 Dec. 0.0304 0.0260 0.0287
19:01-20:00, Sat., 03 Dec. 0.0299 0.0260 0.0282
18:01-19:00, Sat., 03 Dec. 0.0297 0.0259 0.0280
17:01-18:00, Sat., 03 Dec. 0.0300 0.0259 0.0280
16:01-17:00, Sat., 03 Dec. 0.0297 0.0257 0.0277
15:01-16:00, Sat., 03 Dec. 0.0306 0.0263 0.0277
14:01-15:00, Sat., 03 Dec. 0.0305 0.0261 0.0280
13:01-14:00, Sat., 03 Dec. 0.0301 0.0259 0.0278
12:01-13:00, Sat., 03 Dec. 0.0301 0.0262 0.0282
11:01-12:00, Sat., 03 Dec. 0.0306 0.0252 0.0281
10:01-11:00, Sat., 03 Dec. 0.0306 0.0261 0.0282
09:01-10:00, Sat., 03 Dec. 0.0299 0.0264 0.0282
08:01-09:00, Sat., 03 Dec. 0.0301 0.0265 0.0283
07:01-08:00, Sat., 03 Dec. 0.0296 0.0266 0.0281
06:01-07:00, Sat., 03 Dec. 0.0295 0.0259 0.0281
05:01-06:00, Sat., 03 Dec. 0.0299 0.0259 0.0282
04:01-05:00, Sat., 03 Dec. 0.0299 0.0263 0.0279
03:01-04:00, Sat., 03 Dec. 0.0297 0.0257 0.0278
02:01-03:00, Sat., 03 Dec. 0.0298 0.0258 0.0278
01:01-02:00, Sat., 03 Dec. 0.0299 0.0256 0.0275
00:01-01:00, Sat., 03 Dec. 0.0291 0.0264 0.0278
23:01-24:00, Fri., 02 Dec. 0.0297 0.0257 0.0276
22:01-23:00, Fri., 02 Dec. 0.0296 0.0249 0.0277
21:01-22:00, Fri., 02 Dec. 0.0293 0.0259 0.0277
20:01-21:00, Fri., 02 Dec. 0.0291 0.0259 0.0276
19:01-20:00, Fri., 02 Dec. 0.0296 0.0260 0.0277
18:01-19:00, Fri., 02 Dec. 0.0301 0.0251 0.0276
17:01-18:00, Fri., 02 Dec. 0.0302 0.0261 0.0277
16:01-17:00, Fri., 02 Dec. 0.0297 0.0260 0.0278
15:01-16:00, Fri., 02 Dec. 0.0299 0.0257 0.0274
14:01-15:00, Fri., 02 Dec. 0.0293 0.0262 0.0277
13:01-14:00, Fri., 02 Dec. 0.0299 0.0260 0.0277
12:01-13:00, Fri., 02 Dec. 0.0290 0.0259 0.0275
11:01-12:00, Fri., 02 Dec. 0.0301 0.0259 0.0277
10:01-11:00, Fri., 02 Dec. 0.0298 0.0255 0.0277
09:01-10:00, Fri., 02 Dec. 0.0307 0.0253 0.0281
08:01-09:00, Fri., 02 Dec. 0.0301 0.0257 0.0281
07:01-08:00, Fri., 02 Dec. 0.0305 0.0261 0.0284
06:01-07:00, Fri., 02 Dec. 0.0300 0.0262 0.0282
05:01-06:00, Fri., 02 Dec. 0.0304 0.0268 0.0284
04:01-05:00, Fri., 02 Dec. 0.0300 0.0265 0.0286
03:01-04:00, Fri., 02 Dec. 0.0303 0.0268 0.0286
02:01-03:00, Fri., 02 Dec. 0.0304 0.0267 0.0285
01:01-02:00, Fri., 02 Dec. 0.0300 0.0266 0.0284
00:01-01:00, Fri., 02 Dec. 0.0310 0.0267 0.0285
23:01-24:00, Thu., 01 Dec. 0.0299 0.0261 0.0282
22:01-23:00, Thu., 01 Dec. 0.0301 0.0266 0.0280
21:01-22:00, Thu., 01 Dec. 0.0301 0.0257 0.0279
20:01-21:00, Thu., 01 Dec. 0.0313 0.0255 0.0277
19:01-20:00, Thu., 01 Dec. 0.0290 0.0257 0.0275
18:01-19:00, Thu., 01 Dec. 0.0297 0.0257 0.0278
17:01-18:00, Thu., 01 Dec. 0.0311 0.0257 0.0280
16:01-17:00, Thu., 01 Dec. 0.0303 0.0261 0.0279
15:01-16:00, Thu., 01 Dec. 0.0299 0.0265 0.0282
14:01-15:00, Thu., 01 Dec. 0.0301 0.0260 0.0284
13:01-14:00, Thu., 01 Dec. 0.0324 0.0276 0.0299
12:01-13:00, Thu., 01 Dec. 0.0333 0.0284 0.0306
11:01-12:00, Thu., 01 Dec. 0.0334 0.0272 0.0294
10:01-11:00, Thu., 01 Dec. 0.0313 0.0280 0.0297
09:01-10:00, Thu., 01 Dec. 0.0313 0.0268 0.0294
08:01-09:00, Thu., 01 Dec. 0.0318 0.0270 0.0291
07:01-08:00, Thu., 01 Dec. 0.0305 0.0262 0.0287
06:01-07:00, Thu., 01 Dec. 0.0301 0.0261 0.0285
05:01-06:00, Thu., 01 Dec. 0.0305 0.0266 0.0285
04:01-05:00, Thu., 01 Dec. 0.0303 0.0264 0.0283
03:01-04:00, Thu., 01 Dec. 0.0299 0.0267 0.0285
02:01-03:00, Thu., 01 Dec. 0.0299 0.0261 0.0281
01:01-02:00, Thu., 01 Dec. 0.0300 0.0263 0.0282
00:01-01:00, Thu., 01 Dec. 0.0298 0.0266 0.0281
23:01-24:00, Wed., 30 Nov. 0.0298 0.0260 0.0282
22:01-23:00, Wed., 30 Nov. 0.0303 0.0265 0.0284
21:01-22:00, Wed., 30 Nov. 0.0313 0.0266 0.0284
20:01-21:00, Wed., 30 Nov. 0.0302 0.0264 0.0279
19:01-20:00, Wed., 30 Nov. 0.0311 0.0259 0.0278
18:01-19:00, Wed., 30 Nov. 0.0298 0.0262 0.0279
17:01-18:00, Wed., 30 Nov. 0.0295 0.0253 0.0276
16:01-17:00, Wed., 30 Nov. 0.0300 0.0262 0.0277
15:01-16:00, Wed., 30 Nov. 0.0304 0.0257 0.0278
14:01-15:00, Wed., 30 Nov. 0.0298 0.0261 0.0278
13:01-14:00, Wed., 30 Nov. 0.0304 0.0257 0.0278
12:01-13:00, Wed., 30 Nov. 0.0295 0.0255 0.0275
11:01-12:00, Wed., 30 Nov. 0.0290 0.0256 0.0273
10:01-11:00, Wed., 30 Nov. 0.0300 0.0255 0.0275
09:01-10:00, Wed., 30 Nov. 0.0307 0.0259 0.0277
08:01-09:00, Wed., 30 Nov. 0.0294 0.0250 0.0274
07:01-08:00, Wed., 30 Nov. 0.0302 0.0252 0.0276
06:01-07:00, Wed., 30 Nov. 0.0305 0.0260 0.0275
05:01-06:00, Wed., 30 Nov. 0.0290 0.0253 0.0275
04:01-05:00, Wed., 30 Nov. 0.0309 0.0267 0.0286
03:01-04:00, Wed., 30 Nov. 0.0378 0.0291 0.0332
02:01-03:00, Wed., 30 Nov. 0.0463 0.0372 0.0424
01:01-02:00, Wed., 30 Nov. 0.0473 0.0386 0.0434
00:01-01:00, Wed., 30 Nov. 0.0424 0.0283 0.0337
23:01-24:00, Tue., 29 Nov. 0.0304 0.0262 0.0286
22:01-23:00, Tue., 29 Nov. 0.0355 0.0278 0.0311
21:01-22:00, Tue., 29 Nov. 0.0365 0.0281 0.0331
20:01-21:00, Tue., 29 Nov. 0.0302 0.0252 0.0273
19:01-20:00, Tue., 29 Nov. 0.0296 0.0255 0.0273
18:01-19:00, Tue., 29 Nov. 0.0319 0.0261 0.0291
17:01-18:00, Tue., 29 Nov. 0.0331 0.0285 0.0305
16:01-17:00, Tue., 29 Nov. 0.0336 0.0280 0.0310
15:01-16:00, Tue., 29 Nov. 0.0362 0.0304 0.0333
14:01-15:00, Tue., 29 Nov. 0.0356 0.0260 0.0306
13:01-14:00, Tue., 29 Nov. 0.0289 0.0255 0.0274
12:01-13:00, Tue., 29 Nov. 0.0298 0.0259 0.0280
11:01-12:00, Tue., 29 Nov. 0.0319 0.0271 0.0293
10:01-11:00, Tue., 29 Nov. 0.0334 0.0269 0.0307
09:01-10:00, Tue., 29 Nov. 0.0321 0.0273 0.0292
08:01-09:00, Tue., 29 Nov. 0.0314 0.0280 0.0297
07:01-08:00, Tue., 29 Nov. 0.0315 0.0274 0.0292
06:01-07:00, Tue., 29 Nov. 0.0313 0.0272 0.0293
05:01-06:00, Tue., 29 Nov. 0.0311 0.0274 0.0290
04:01-05:00, Tue., 29 Nov. 0.0309 0.0268 0.0287
03:01-04:00, Tue., 29 Nov. 0.0310 0.0263 0.0289
02:01-03:00, Tue., 29 Nov. 0.0310 0.0269 0.0288
01:01-02:00, Tue., 29 Nov. 0.0312 0.0270 0.0287
00:01-01:00, Tue., 29 Nov. 0.0304 0.0267 0.0287
23:01-24:00, Mon., 28 Nov. 0.0313 0.0262 0.0287
22:01-23:00, Mon., 28 Nov. 0.0308 0.0268 0.0287
21:01-22:00, Mon., 28 Nov. 0.0300 0.0270 0.0284
20:01-21:00, Mon., 28 Nov. 0.0303 0.0264 0.0284
19:01-20:00, Mon., 28 Nov. 0.0302 0.0258 0.0285
18:01-19:00, Mon., 28 Nov. 0.0308 0.0270 0.0285
17:01-18:00, Mon., 28 Nov. 0.0309 0.0262 0.0283
16:01-17:00, Mon., 28 Nov. 0.0307 0.0258 0.0284
15:01-16:00, Mon., 28 Nov. 0.0306 0.0252 0.0284
14:01-15:00, Mon., 28 Nov. 0.0305 0.0271 0.0287
13:01-14:00, Mon., 28 Nov. 0.0309 0.0275 0.0289
12:01-13:00, Mon., 28 Nov. 0.0310 0.0276 0.0294
11:01-12:00, Mon., 28 Nov. 0.0322 0.0268 0.0295
10:01-11:00, Mon., 28 Nov. 0.0325 0.0276 0.0299
09:01-10:00, Mon., 28 Nov. 0.0311 0.0277 0.0296
08:01-09:00, Mon., 28 Nov. 0.0310 0.0270 0.0292
07:01-08:00, Mon., 28 Nov. 0.0314 0.0281 0.0295
06:01-07:00, Mon., 28 Nov. 0.0311 0.0278 0.0293
05:01-06:00, Mon., 28 Nov. 0.0308 0.0271 0.0290
04:01-05:00, Mon., 28 Nov. 0.0311 0.0274 0.0291
03:01-04:00, Mon., 28 Nov. 0.0311 0.0271 0.0289
02:01-03:00, Mon., 28 Nov. 0.0305 0.0267 0.0287
01:01-02:00, Mon., 28 Nov. 0.0306 0.0265 0.0284
00:01-01:00, Mon., 28 Nov. 0.0304 0.0266 0.0285