Measurement results by the hour (Chofu) 26 Aug., 2024 - 1 Sep., 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., 01 Sep. 0.0301 0.0252 0.0271
22:01-23:00, Sun., 01 Sep. 0.0299 0.0245 0.0275
21:01-22:00, Sun., 01 Sep. 0.0303 0.0258 0.0278
20:01-21:00, Sun., 01 Sep. 0.0293 0.0242 0.0265
19:01-20:00, Sun., 01 Sep. 0.0288 0.0249 0.0268
18:01-19:00, Sun., 01 Sep. 0.0297 0.0246 0.0268
17:01-18:00, Sun., 01 Sep. 0.0295 0.0258 0.0276
16:01-17:00, Sun., 01 Sep. 0.0318 0.0267 0.0289
15:01-16:00, Sun., 01 Sep. 0.0308 0.0242 0.0274
14:01-15:00, Sun., 01 Sep. 0.0298 0.0255 0.0276
13:01-14:00, Sun., 01 Sep. 0.0306 0.0273 0.0290
12:01-13:00, Sun., 01 Sep. 0.0315 0.0265 0.0288
11:01-12:00, Sun., 01 Sep. 0.0325 0.0282 0.0303
10:01-11:00, Sun., 01 Sep. 0.0302 0.0252 0.0275
09:01-10:00, Sun., 01 Sep. 0.0289 0.0241 0.0268
08:01-09:00, Sun., 01 Sep. 0.0298 0.0252 0.0273
07:01-08:00, Sun., 01 Sep. 0.0290 0.0256 0.0273
06:01-07:00, Sun., 01 Sep. 0.0294 0.0252 0.0271
05:01-06:00, Sun., 01 Sep. 0.0297 0.0256 0.0274
04:01-05:00, Sun., 01 Sep. 0.0298 0.0249 0.0281
03:01-04:00, Sun., 01 Sep. 0.0320 0.0270 0.0296
02:01-03:00, Sun., 01 Sep. 0.0325 0.0257 0.0283
01:01-02:00, Sun., 01 Sep. 0.0308 0.0261 0.0286
00:01-01:00, Sun., 01 Sep. 0.0338 0.0285 0.0311
23:01-24:00, Sat., 31 Aug. 0.0367 0.0314 0.0340
22:01-23:00, Sat., 31 Aug. 0.0315 0.0249 0.0276
21:01-22:00, Sat., 31 Aug. 0.0303 0.0249 0.0280
20:01-21:00, Sat., 31 Aug. 0.0319 0.0263 0.0293
19:01-20:00, Sat., 31 Aug. 0.0402 0.0295 0.0340
18:01-19:00, Sat., 31 Aug. 0.0436 0.0374 0.0402
17:01-18:00, Sat., 31 Aug. 0.0413 0.0272 0.0348
16:01-17:00, Sat., 31 Aug. 0.0291 0.0249 0.0267
15:01-16:00, Sat., 31 Aug. 0.0282 0.0237 0.0265
14:01-15:00, Sat., 31 Aug. 0.0283 0.0247 0.0267
13:01-14:00, Sat., 31 Aug. 0.0288 0.0245 0.0268
12:01-13:00, Sat., 31 Aug. 0.0296 0.0249 0.0267
11:01-12:00, Sat., 31 Aug. 0.0283 0.0241 0.0264
10:01-11:00, Sat., 31 Aug. 0.0289 0.0248 0.0267
09:01-10:00, Sat., 31 Aug. 0.0289 0.0247 0.0268
08:01-09:00, Sat., 31 Aug. 0.0291 0.0251 0.0273
07:01-08:00, Sat., 31 Aug. 0.0338 0.0261 0.0296
06:01-07:00, Sat., 31 Aug. 0.0399 0.0311 0.0358
05:01-06:00, Sat., 31 Aug. 0.0395 0.0328 0.0363
04:01-05:00, Sat., 31 Aug. 0.0383 0.0304 0.0348
03:01-04:00, Sat., 31 Aug. 0.0411 0.0318 0.0364
02:01-03:00, Sat., 31 Aug. 0.0389 0.0273 0.0319
01:01-02:00, Sat., 31 Aug. 0.0331 0.0283 0.0308
00:01-01:00, Sat., 31 Aug. 0.0320 0.0266 0.0294
23:01-24:00, Fri., 30 Aug. 0.0315 0.0243 0.0270
22:01-23:00, Fri., 30 Aug. 0.0288 0.0247 0.0266
21:01-22:00, Fri., 30 Aug. 0.0283 0.0248 0.0266
20:01-21:00, Fri., 30 Aug. 0.0284 0.0246 0.0268
19:01-20:00, Fri., 30 Aug. 0.0299 0.0252 0.0273
18:01-19:00, Fri., 30 Aug. 0.0284 0.0247 0.0266
17:01-18:00, Fri., 30 Aug. 0.0291 0.0249 0.0268
16:01-17:00, Fri., 30 Aug. 0.0306 0.0252 0.0279
15:01-16:00, Fri., 30 Aug. 0.0332 0.0271 0.0301
14:01-15:00, Fri., 30 Aug. 0.0325 0.0270 0.0297
13:01-14:00, Fri., 30 Aug. 0.0310 0.0259 0.0282
12:01-13:00, Fri., 30 Aug. 0.0301 0.0255 0.0280
11:01-12:00, Fri., 30 Aug. 0.0322 0.0265 0.0293
10:01-11:00, Fri., 30 Aug. 0.0324 0.0282 0.0300
09:01-10:00, Fri., 30 Aug. 0.0308 0.0270 0.0291
08:01-09:00, Fri., 30 Aug. 0.0324 0.0267 0.0297
07:01-08:00, Fri., 30 Aug. 0.0329 0.0283 0.0303
06:01-07:00, Fri., 30 Aug. 0.0322 0.0278 0.0298
05:01-06:00, Fri., 30 Aug. 0.0314 0.0273 0.0294
04:01-05:00, Fri., 30 Aug. 0.0308 0.0273 0.0293
03:01-04:00, Fri., 30 Aug. 0.0327 0.0267 0.0289
02:01-03:00, Fri., 30 Aug. 0.0309 0.0256 0.0280
01:01-02:00, Fri., 30 Aug. 0.0307 0.0259 0.0281
00:01-01:00, Fri., 30 Aug. 0.0323 0.0263 0.0292
23:01-24:00, Thu., 29 Aug. 0.0318 0.0272 0.0292
22:01-23:00, Thu., 29 Aug. 0.0311 0.0264 0.0289
21:01-22:00, Thu., 29 Aug. 0.0307 0.0256 0.0281
20:01-21:00, Thu., 29 Aug. 0.0306 0.0250 0.0276
19:01-20:00, Thu., 29 Aug. 0.0284 0.0252 0.0270
18:01-19:00, Thu., 29 Aug. 0.0297 0.0249 0.0272
17:01-18:00, Thu., 29 Aug. 0.0288 0.0255 0.0271
16:01-17:00, Thu., 29 Aug. 0.0289 0.0249 0.0268
15:01-16:00, Thu., 29 Aug. 0.0301 0.0250 0.0273
14:01-15:00, Thu., 29 Aug. 0.0290 0.0252 0.0273
13:01-14:00, Thu., 29 Aug. 0.0286 0.0250 0.0269
12:01-13:00, Thu., 29 Aug. 0.0288 0.0245 0.0269
11:01-12:00, Thu., 29 Aug. 0.0290 0.0242 0.0269
10:01-11:00, Thu., 29 Aug. 0.0287 0.0240 0.0267
09:01-10:00, Thu., 29 Aug. 0.0287 0.0242 0.0270
08:01-09:00, Thu., 29 Aug. 0.0285 0.0241 0.0268
07:01-08:00, Thu., 29 Aug. 0.0284 0.0248 0.0268
06:01-07:00, Thu., 29 Aug. 0.0294 0.0252 0.0270
05:01-06:00, Thu., 29 Aug. 0.0294 0.0256 0.0272
04:01-05:00, Thu., 29 Aug. 0.0293 0.0249 0.0270
03:01-04:00, Thu., 29 Aug. 0.0292 0.0249 0.0270
02:01-03:00, Thu., 29 Aug. 0.0287 0.0249 0.0269
01:01-02:00, Thu., 29 Aug. 0.0297 0.0245 0.0268
00:01-01:00, Thu., 29 Aug. 0.0292 0.0249 0.0268
23:01-24:00, Wed., 28 Aug. 0.0289 0.0242 0.0267
22:01-23:00, Wed., 28 Aug. 0.0283 0.0250 0.0267
21:01-22:00, Wed., 28 Aug. 0.0287 0.0249 0.0266
20:01-21:00, Wed., 28 Aug. 0.0284 0.0249 0.0267
19:01-20:00, Wed., 28 Aug. 0.0285 0.0231 0.0269
18:01-19:00, Wed., 28 Aug. 0.0284 0.0248 0.0267
17:01-18:00, Wed., 28 Aug. 0.0301 0.0246 0.0267
16:01-17:00, Wed., 28 Aug. 0.0297 0.0245 0.0268
15:01-16:00, Wed., 28 Aug. 0.0294 0.0247 0.0266
14:01-15:00, Wed., 28 Aug. 0.0282 0.0249 0.0266
13:01-14:00, Wed., 28 Aug. 0.0284 0.0249 0.0266
12:01-13:00, Wed., 28 Aug. 0.0295 0.0247 0.0268
11:01-12:00, Wed., 28 Aug. 0.0284 0.0248 0.0265
10:01-11:00, Wed., 28 Aug. 0.0294 0.0256 0.0276
09:01-10:00, Wed., 28 Aug. 0.0300 0.0265 0.0281
08:01-09:00, Wed., 28 Aug. 0.0287 0.0242 0.0267
07:01-08:00, Wed., 28 Aug. 0.0288 0.0249 0.0267
06:01-07:00, Wed., 28 Aug. 0.0291 0.0248 0.0267
05:01-06:00, Wed., 28 Aug. 0.0291 0.0249 0.0270
04:01-05:00, Wed., 28 Aug. 0.0295 0.0249 0.0268
03:01-04:00, Wed., 28 Aug. 0.0284 0.0245 0.0266
02:01-03:00, Wed., 28 Aug. 0.0286 0.0249 0.0265
01:01-02:00, Wed., 28 Aug. 0.0284 0.0245 0.0265
00:01-01:00, Wed., 28 Aug. 0.0281 0.0248 0.0265
23:01-24:00, Tue., 27 Aug. 0.0289 0.0251 0.0269
22:01-23:00, Tue., 27 Aug. 0.0288 0.0249 0.0268
21:01-22:00, Tue., 27 Aug. 0.0287 0.0233 0.0269
20:01-21:00, Tue., 27 Aug. 0.0303 0.0245 0.0271
19:01-20:00, Tue., 27 Aug. 0.0294 0.0254 0.0274
18:01-19:00, Tue., 27 Aug. 0.0286 0.0247 0.0268
17:01-18:00, Tue., 27 Aug. 0.0288 0.0249 0.0268
16:01-17:00, Tue., 27 Aug. 0.0284 0.0249 0.0269
15:01-16:00, Tue., 27 Aug. 0.0296 0.0252 0.0271
14:01-15:00, Tue., 27 Aug. 0.0301 0.0250 0.0271
13:01-14:00, Tue., 27 Aug. 0.0287 0.0252 0.0269
12:01-13:00, Tue., 27 Aug. 0.0286 0.0246 0.0268
11:01-12:00, Tue., 27 Aug. 0.0291 0.0251 0.0270
10:01-11:00, Tue., 27 Aug. 0.0286 0.0249 0.0267
09:01-10:00, Tue., 27 Aug. 0.0291 0.0244 0.0266
08:01-09:00, Tue., 27 Aug. 0.0297 0.0247 0.0270
07:01-08:00, Tue., 27 Aug. 0.0289 0.0244 0.0267
06:01-07:00, Tue., 27 Aug. 0.0290 0.0249 0.0269
05:01-06:00, Tue., 27 Aug. 0.0293 0.0246 0.0270
04:01-05:00, Tue., 27 Aug. 0.0290 0.0255 0.0271
03:01-04:00, Tue., 27 Aug. 0.0290 0.0244 0.0267
02:01-03:00, Tue., 27 Aug. 0.0288 0.0249 0.0272
01:01-02:00, Tue., 27 Aug. 0.0286 0.0255 0.0271
00:01-01:00, Tue., 27 Aug. 0.0300 0.0251 0.0275
23:01-24:00, Mon., 26 Aug. 0.0300 0.0251 0.0274
22:01-23:00, Mon., 26 Aug. 0.0292 0.0250 0.0273
21:01-22:00, Mon., 26 Aug. 0.0297 0.0256 0.0272
20:01-21:00, Mon., 26 Aug. 0.0292 0.0256 0.0276
19:01-20:00, Mon., 26 Aug. 0.0290 0.0259 0.0272
18:01-19:00, Mon., 26 Aug. 0.0298 0.0255 0.0272
17:01-18:00, Mon., 26 Aug. 0.0291 0.0256 0.0272
16:01-17:00, Mon., 26 Aug. 0.0290 0.0245 0.0270
15:01-16:00, Mon., 26 Aug. 0.0290 0.0245 0.0273
14:01-15:00, Mon., 26 Aug. 0.0290 0.0259 0.0273
13:01-14:00, Mon., 26 Aug. 0.0295 0.0247 0.0271
12:01-13:00, Mon., 26 Aug. 0.0293 0.0249 0.0270
11:01-12:00, Mon., 26 Aug. 0.0296 0.0252 0.0273
10:01-11:00, Mon., 26 Aug. 0.0297 0.0253 0.0273
09:01-10:00, Mon., 26 Aug. 0.0292 0.0241 0.0271
08:01-09:00, Mon., 26 Aug. 0.0302 0.0252 0.0272
07:01-08:00, Mon., 26 Aug. 0.0297 0.0249 0.0271
06:01-07:00, Mon., 26 Aug. 0.0292 0.0252 0.0272
05:01-06:00, Mon., 26 Aug. 0.0292 0.0253 0.0273
04:01-05:00, Mon., 26 Aug. 0.0291 0.0253 0.0270
03:01-04:00, Mon., 26 Aug. 0.0287 0.0249 0.0270
02:01-03:00, Mon., 26 Aug. 0.0284 0.0247 0.0269
01:01-02:00, Mon., 26 Aug. 0.0295 0.0253 0.0270
00:01-01:00, Mon., 26 Aug. 0.0303 0.0252 0.0268