Measurement results by the hour (Chofu) 26 Feb., 2024 - 3 Mar., 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., 03 Mar. 0.0301 0.0266 0.0281
22:01-23:00, Sun., 03 Mar. 0.0305 0.0265 0.0283
21:01-22:00, Sun., 03 Mar. 0.0301 0.0263 0.0282
20:01-21:00, Sun., 03 Mar. 0.0304 0.0255 0.0281
19:01-20:00, Sun., 03 Mar. 0.0305 0.0259 0.0281
18:01-19:00, Sun., 03 Mar. 0.0302 0.0257 0.0281
17:01-18:00, Sun., 03 Mar. 0.0305 0.0263 0.0284
16:01-17:00, Sun., 03 Mar. 0.0304 0.0266 0.0285
15:01-16:00, Sun., 03 Mar. 0.0299 0.0266 0.0284
14:01-15:00, Sun., 03 Mar. 0.0305 0.0263 0.0283
13:01-14:00, Sun., 03 Mar. 0.0299 0.0261 0.0282
12:01-13:00, Sun., 03 Mar. 0.0303 0.0263 0.0282
11:01-12:00, Sun., 03 Mar. 0.0303 0.0259 0.0282
10:01-11:00, Sun., 03 Mar. 0.0315 0.0263 0.0282
09:01-10:00, Sun., 03 Mar. 0.0302 0.0257 0.0281
08:01-09:00, Sun., 03 Mar. 0.0305 0.0256 0.0280
07:01-08:00, Sun., 03 Mar. 0.0307 0.0270 0.0287
06:01-07:00, Sun., 03 Mar. 0.0304 0.0268 0.0285
05:01-06:00, Sun., 03 Mar. 0.0322 0.0266 0.0285
04:01-05:00, Sun., 03 Mar. 0.0304 0.0266 0.0285
03:01-04:00, Sun., 03 Mar. 0.0304 0.0264 0.0286
02:01-03:00, Sun., 03 Mar. 0.0308 0.0263 0.0285
01:01-02:00, Sun., 03 Mar. 0.0299 0.0262 0.0280
00:01-01:00, Sun., 03 Mar. 0.0302 0.0262 0.0279
23:01-24:00, Sat., 02 Mar. 0.0311 0.0262 0.0282
22:01-23:00, Sat., 02 Mar. 0.0301 0.0256 0.0281
21:01-22:00, Sat., 02 Mar. 0.0301 0.0256 0.0279
20:01-21:00, Sat., 02 Mar. 0.0304 0.0256 0.0281
19:01-20:00, Sat., 02 Mar. 0.0306 0.0262 0.0279
18:01-19:00, Sat., 02 Mar. 0.0302 0.0256 0.0280
17:01-18:00, Sat., 02 Mar. 0.0299 0.0259 0.0281
16:01-17:00, Sat., 02 Mar. 0.0299 0.0256 0.0279
15:01-16:00, Sat., 02 Mar. 0.0300 0.0256 0.0279
14:01-15:00, Sat., 02 Mar. 0.0312 0.0261 0.0283
13:01-14:00, Sat., 02 Mar. 0.0309 0.0265 0.0283
12:01-13:00, Sat., 02 Mar. 0.0302 0.0264 0.0283
11:01-12:00, Sat., 02 Mar. 0.0305 0.0263 0.0284
10:01-11:00, Sat., 02 Mar. 0.0309 0.0267 0.0286
09:01-10:00, Sat., 02 Mar. 0.0308 0.0268 0.0287
08:01-09:00, Sat., 02 Mar. 0.0310 0.0264 0.0287
07:01-08:00, Sat., 02 Mar. 0.0314 0.0266 0.0289
06:01-07:00, Sat., 02 Mar. 0.0320 0.0269 0.0290
05:01-06:00, Sat., 02 Mar. 0.0310 0.0269 0.0286
04:01-05:00, Sat., 02 Mar. 0.0315 0.0265 0.0286
03:01-04:00, Sat., 02 Mar. 0.0312 0.0262 0.0284
02:01-03:00, Sat., 02 Mar. 0.0307 0.0270 0.0285
01:01-02:00, Sat., 02 Mar. 0.0311 0.0272 0.0293
00:01-01:00, Sat., 02 Mar. 0.0312 0.0262 0.0285
23:01-24:00, Fri., 01 Mar. 0.0306 0.0260 0.0279
22:01-23:00, Fri., 01 Mar. 0.0294 0.0254 0.0278
21:01-22:00, Fri., 01 Mar. 0.0297 0.0248 0.0275
20:01-21:00, Fri., 01 Mar. 0.0301 0.0257 0.0278
19:01-20:00, Fri., 01 Mar. 0.0295 0.0252 0.0274
18:01-19:00, Fri., 01 Mar. 0.0289 0.0254 0.0274
17:01-18:00, Fri., 01 Mar. 0.0297 0.0259 0.0276
16:01-17:00, Fri., 01 Mar. 0.0291 0.0257 0.0277
15:01-16:00, Fri., 01 Mar. 0.0305 0.0263 0.0280
14:01-15:00, Fri., 01 Mar. 0.0298 0.0260 0.0279
13:01-14:00, Fri., 01 Mar. 0.0301 0.0265 0.0282
12:01-13:00, Fri., 01 Mar. 0.0304 0.0259 0.0280
11:01-12:00, Fri., 01 Mar. 0.0304 0.0261 0.0280
10:01-11:00, Fri., 01 Mar. 0.0305 0.0261 0.0279
09:01-10:00, Fri., 01 Mar. 0.0296 0.0260 0.0278
08:01-09:00, Fri., 01 Mar. 0.0308 0.0254 0.0279
07:01-08:00, Fri., 01 Mar. 0.0315 0.0263 0.0290
06:01-07:00, Fri., 01 Mar. 0.0346 0.0280 0.0314
05:01-06:00, Fri., 01 Mar. 0.0409 0.0326 0.0367
04:01-05:00, Fri., 01 Mar. 0.0457 0.0390 0.0425
03:01-04:00, Fri., 01 Mar. 0.0469 0.0418 0.0442
02:01-03:00, Fri., 01 Mar. 0.0443 0.0396 0.0419
01:01-02:00, Fri., 01 Mar. 0.0430 0.0377 0.0401
00:01-01:00, Fri., 01 Mar. 0.0432 0.0356 0.0388
23:01-24:00, Thu., 29 Feb. 0.0396 0.0324 0.0359
22:01-23:00, Thu., 29 Feb. 0.0365 0.0319 0.0338
21:01-22:00, Thu., 29 Feb. 0.0388 0.0338 0.0365
20:01-21:00, Thu., 29 Feb. 0.0392 0.0315 0.0352
19:01-20:00, Thu., 29 Feb. 0.0342 0.0279 0.0308
18:01-19:00, Thu., 29 Feb. 0.0317 0.0272 0.0291
17:01-18:00, Thu., 29 Feb. 0.0311 0.0260 0.0283
16:01-17:00, Thu., 29 Feb. 0.0298 0.0258 0.0275
15:01-16:00, Thu., 29 Feb. 0.0308 0.0249 0.0278
14:01-15:00, Thu., 29 Feb. 0.0295 0.0260 0.0276
13:01-14:00, Thu., 29 Feb. 0.0294 0.0253 0.0277
12:01-13:00, Thu., 29 Feb. 0.0307 0.0262 0.0281
11:01-12:00, Thu., 29 Feb. 0.0304 0.0256 0.0278
10:01-11:00, Thu., 29 Feb. 0.0298 0.0261 0.0280
09:01-10:00, Thu., 29 Feb. 0.0299 0.0260 0.0284
08:01-09:00, Thu., 29 Feb. 0.0304 0.0265 0.0282
07:01-08:00, Thu., 29 Feb. 0.0309 0.0262 0.0280
06:01-07:00, Thu., 29 Feb. 0.0303 0.0266 0.0282
05:01-06:00, Thu., 29 Feb. 0.0311 0.0257 0.0279
04:01-05:00, Thu., 29 Feb. 0.0295 0.0259 0.0277
03:01-04:00, Thu., 29 Feb. 0.0294 0.0252 0.0274
02:01-03:00, Thu., 29 Feb. 0.0293 0.0258 0.0275
01:01-02:00, Thu., 29 Feb. 0.0291 0.0256 0.0276
00:01-01:00, Thu., 29 Feb. 0.0294 0.0247 0.0274
23:01-24:00, Wed., 28 Feb. 0.0301 0.0252 0.0274
22:01-23:00, Wed., 28 Feb. 0.0294 0.0256 0.0275
21:01-22:00, Wed., 28 Feb. 0.0295 0.0254 0.0275
20:01-21:00, Wed., 28 Feb. 0.0296 0.0253 0.0272
19:01-20:00, Wed., 28 Feb. 0.0297 0.0254 0.0274
18:01-19:00, Wed., 28 Feb. 0.0292 0.0251 0.0273
17:01-18:00, Wed., 28 Feb. 0.0299 0.0253 0.0277
16:01-17:00, Wed., 28 Feb. 0.0301 0.0259 0.0274
15:01-16:00, Wed., 28 Feb. 0.0302 0.0249 0.0277
14:01-15:00, Wed., 28 Feb. 0.0297 0.0251 0.0276
13:01-14:00, Wed., 28 Feb. 0.0292 0.0254 0.0274
12:01-13:00, Wed., 28 Feb. 0.0305 0.0240 0.0275
11:01-12:00, Wed., 28 Feb. 0.0297 0.0254 0.0274
10:01-11:00, Wed., 28 Feb. 0.0301 0.0255 0.0276
09:01-10:00, Wed., 28 Feb. 0.0298 0.0249 0.0274
08:01-09:00, Wed., 28 Feb. 0.0294 0.0247 0.0272
07:01-08:00, Wed., 28 Feb. 0.0302 0.0248 0.0273
06:01-07:00, Wed., 28 Feb. 0.0293 0.0250 0.0275
05:01-06:00, Wed., 28 Feb. 0.0297 0.0252 0.0274
04:01-05:00, Wed., 28 Feb. 0.0308 0.0254 0.0274
03:01-04:00, Wed., 28 Feb. 0.0297 0.0256 0.0277
02:01-03:00, Wed., 28 Feb. 0.0297 0.0246 0.0274
01:01-02:00, Wed., 28 Feb. 0.0301 0.0242 0.0272
00:01-01:00, Wed., 28 Feb. 0.0304 0.0250 0.0274
23:01-24:00, Tue., 27 Feb. 0.0295 0.0259 0.0276
22:01-23:00, Tue., 27 Feb. 0.0287 0.0255 0.0271
21:01-22:00, Tue., 27 Feb. 0.0298 0.0253 0.0272
20:01-21:00, Tue., 27 Feb. 0.0296 0.0252 0.0274
19:01-20:00, Tue., 27 Feb. 0.0294 0.0250 0.0272
18:01-19:00, Tue., 27 Feb. 0.0297 0.0254 0.0274
17:01-18:00, Tue., 27 Feb. 0.0296 0.0251 0.0274
16:01-17:00, Tue., 27 Feb. 0.0297 0.0251 0.0274
15:01-16:00, Tue., 27 Feb. 0.0308 0.0253 0.0277
14:01-15:00, Tue., 27 Feb. 0.0305 0.0261 0.0280
13:01-14:00, Tue., 27 Feb. 0.0312 0.0249 0.0279
12:01-13:00, Tue., 27 Feb. 0.0309 0.0242 0.0276
11:01-12:00, Tue., 27 Feb. 0.0294 0.0250 0.0274
10:01-11:00, Tue., 27 Feb. 0.0295 0.0262 0.0279
09:01-10:00, Tue., 27 Feb. 0.0295 0.0259 0.0277
08:01-09:00, Tue., 27 Feb. 0.0296 0.0251 0.0275
07:01-08:00, Tue., 27 Feb. 0.0295 0.0257 0.0276
06:01-07:00, Tue., 27 Feb. 0.0298 0.0262 0.0278
05:01-06:00, Tue., 27 Feb. 0.0294 0.0254 0.0275
04:01-05:00, Tue., 27 Feb. 0.0295 0.0253 0.0274
03:01-04:00, Tue., 27 Feb. 0.0290 0.0246 0.0273
02:01-03:00, Tue., 27 Feb. 0.0302 0.0253 0.0273
01:01-02:00, Tue., 27 Feb. 0.0297 0.0251 0.0275
00:01-01:00, Tue., 27 Feb. 0.0294 0.0254 0.0273
23:01-24:00, Mon., 26 Feb. 0.0295 0.0257 0.0273
22:01-23:00, Mon., 26 Feb. 0.0293 0.0251 0.0272
21:01-22:00, Mon., 26 Feb. 0.0287 0.0257 0.0270
20:01-21:00, Mon., 26 Feb. 0.0286 0.0252 0.0270
19:01-20:00, Mon., 26 Feb. 0.0294 0.0253 0.0271
18:01-19:00, Mon., 26 Feb. 0.0296 0.0254 0.0272
17:01-18:00, Mon., 26 Feb. 0.0288 0.0249 0.0271
16:01-17:00, Mon., 26 Feb. 0.0290 0.0246 0.0271
15:01-16:00, Mon., 26 Feb. 0.0291 0.0257 0.0275
14:01-15:00, Mon., 26 Feb. 0.0299 0.0256 0.0276
13:01-14:00, Mon., 26 Feb. 0.0295 0.0249 0.0272
12:01-13:00, Mon., 26 Feb. 0.0301 0.0258 0.0276
11:01-12:00, Mon., 26 Feb. 0.0295 0.0253 0.0276
10:01-11:00, Mon., 26 Feb. 0.0287 0.0256 0.0273
09:01-10:00, Mon., 26 Feb. 0.0295 0.0259 0.0274
08:01-09:00, Mon., 26 Feb. 0.0304 0.0249 0.0277
07:01-08:00, Mon., 26 Feb. 0.0307 0.0263 0.0281
06:01-07:00, Mon., 26 Feb. 0.0301 0.0260 0.0281
05:01-06:00, Mon., 26 Feb. 0.0299 0.0262 0.0281
04:01-05:00, Mon., 26 Feb. 0.0310 0.0266 0.0284
03:01-04:00, Mon., 26 Feb. 0.0319 0.0266 0.0291
02:01-03:00, Mon., 26 Feb. 0.0339 0.0273 0.0311
01:01-02:00, Mon., 26 Feb. 0.0369 0.0307 0.0337
00:01-01:00, Mon., 26 Feb. 0.0349 0.0291 0.0318