Measurement results by the hour (Chofu) 15 Apr., 2024 - 21 Apr., 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., 21 Apr. 0.0445 0.0397 0.0420
22:01-23:00, Sun., 21 Apr. 0.0436 0.0375 0.0410
21:01-22:00, Sun., 21 Apr. 0.0423 0.0373 0.0399
20:01-21:00, Sun., 21 Apr. 0.0421 0.0371 0.0394
19:01-20:00, Sun., 21 Apr. 0.0419 0.0336 0.0378
18:01-19:00, Sun., 21 Apr. 0.0386 0.0282 0.0323
17:01-18:00, Sun., 21 Apr. 0.0308 0.0268 0.0289
16:01-17:00, Sun., 21 Apr. 0.0311 0.0265 0.0290
15:01-16:00, Sun., 21 Apr. 0.0323 0.0271 0.0293
14:01-15:00, Sun., 21 Apr. 0.0315 0.0275 0.0293
13:01-14:00, Sun., 21 Apr. 0.0307 0.0266 0.0286
12:01-13:00, Sun., 21 Apr. 0.0312 0.0263 0.0286
11:01-12:00, Sun., 21 Apr. 0.0304 0.0271 0.0286
10:01-11:00, Sun., 21 Apr. 0.0320 0.0268 0.0288
09:01-10:00, Sun., 21 Apr. 0.0310 0.0265 0.0289
08:01-09:00, Sun., 21 Apr. 0.0308 0.0270 0.0289
07:01-08:00, Sun., 21 Apr. 0.0311 0.0263 0.0290
06:01-07:00, Sun., 21 Apr. 0.0305 0.0266 0.0287
05:01-06:00, Sun., 21 Apr. 0.0310 0.0257 0.0288
04:01-05:00, Sun., 21 Apr. 0.0315 0.0265 0.0290
03:01-04:00, Sun., 21 Apr. 0.0308 0.0266 0.0288
02:01-03:00, Sun., 21 Apr. 0.0302 0.0268 0.0288
01:01-02:00, Sun., 21 Apr. 0.0312 0.0265 0.0290
00:01-01:00, Sun., 21 Apr. 0.0314 0.0273 0.0292
23:01-24:00, Sat., 20 Apr. 0.0315 0.0270 0.0289
22:01-23:00, Sat., 20 Apr. 0.0308 0.0270 0.0287
21:01-22:00, Sat., 20 Apr. 0.0304 0.0273 0.0290
20:01-21:00, Sat., 20 Apr. 0.0305 0.0266 0.0290
19:01-20:00, Sat., 20 Apr. 0.0315 0.0266 0.0288
18:01-19:00, Sat., 20 Apr. 0.0315 0.0263 0.0287
17:01-18:00, Sat., 20 Apr. 0.0308 0.0268 0.0288
16:01-17:00, Sat., 20 Apr. 0.0310 0.0266 0.0289
15:01-16:00, Sat., 20 Apr. 0.0308 0.0269 0.0290
14:01-15:00, Sat., 20 Apr. 0.0317 0.0271 0.0294
13:01-14:00, Sat., 20 Apr. 0.0308 0.0269 0.0288
12:01-13:00, Sat., 20 Apr. 0.0311 0.0273 0.0292
11:01-12:00, Sat., 20 Apr. 0.0320 0.0271 0.0291
10:01-11:00, Sat., 20 Apr. 0.0311 0.0277 0.0291
09:01-10:00, Sat., 20 Apr. 0.0305 0.0265 0.0290
08:01-09:00, Sat., 20 Apr. 0.0312 0.0274 0.0291
07:01-08:00, Sat., 20 Apr. 0.0331 0.0280 0.0300
06:01-07:00, Sat., 20 Apr. 0.0312 0.0279 0.0299
05:01-06:00, Sat., 20 Apr. 0.0311 0.0276 0.0294
04:01-05:00, Sat., 20 Apr. 0.0317 0.0272 0.0294
03:01-04:00, Sat., 20 Apr. 0.0323 0.0271 0.0296
02:01-03:00, Sat., 20 Apr. 0.0318 0.0278 0.0298
01:01-02:00, Sat., 20 Apr. 0.0316 0.0279 0.0295
00:01-01:00, Sat., 20 Apr. 0.0316 0.0274 0.0290
23:01-24:00, Fri., 19 Apr. 0.0311 0.0265 0.0284
22:01-23:00, Fri., 19 Apr. 0.0302 0.0267 0.0285
21:01-22:00, Fri., 19 Apr. 0.0307 0.0270 0.0284
20:01-21:00, Fri., 19 Apr. 0.0313 0.0270 0.0288
19:01-20:00, Fri., 19 Apr. 0.0308 0.0257 0.0288
18:01-19:00, Fri., 19 Apr. 0.0302 0.0262 0.0287
17:01-18:00, Fri., 19 Apr. 0.0310 0.0273 0.0289
16:01-17:00, Fri., 19 Apr. 0.0318 0.0273 0.0289
15:01-16:00, Fri., 19 Apr. 0.0314 0.0268 0.0291
14:01-15:00, Fri., 19 Apr. 0.0318 0.0272 0.0291
13:01-14:00, Fri., 19 Apr. 0.0309 0.0264 0.0290
12:01-13:00, Fri., 19 Apr. 0.0315 0.0268 0.0291
11:01-12:00, Fri., 19 Apr. 0.0308 0.0270 0.0291
10:01-11:00, Fri., 19 Apr. 0.0310 0.0270 0.0289
09:01-10:00, Fri., 19 Apr. 0.0308 0.0273 0.0290
08:01-09:00, Fri., 19 Apr. 0.0310 0.0274 0.0290
07:01-08:00, Fri., 19 Apr. 0.0318 0.0269 0.0289
06:01-07:00, Fri., 19 Apr. 0.0310 0.0261 0.0286
05:01-06:00, Fri., 19 Apr. 0.0316 0.0265 0.0291
04:01-05:00, Fri., 19 Apr. 0.0315 0.0269 0.0294
03:01-04:00, Fri., 19 Apr. 0.0332 0.0280 0.0301
02:01-03:00, Fri., 19 Apr. 0.0336 0.0281 0.0310
01:01-02:00, Fri., 19 Apr. 0.0321 0.0277 0.0295
00:01-01:00, Fri., 19 Apr. 0.0344 0.0279 0.0310
23:01-24:00, Thu., 18 Apr. 0.0402 0.0328 0.0357
22:01-23:00, Thu., 18 Apr. 0.0422 0.0333 0.0376
21:01-22:00, Thu., 18 Apr. 0.0424 0.0317 0.0370
20:01-21:00, Thu., 18 Apr. 0.0343 0.0287 0.0319
19:01-20:00, Thu., 18 Apr. 0.0340 0.0280 0.0314
18:01-19:00, Thu., 18 Apr. 0.0317 0.0278 0.0296
17:01-18:00, Thu., 18 Apr. 0.0319 0.0270 0.0295
16:01-17:00, Thu., 18 Apr. 0.0313 0.0273 0.0291
15:01-16:00, Thu., 18 Apr. 0.0315 0.0273 0.0290
14:01-15:00, Thu., 18 Apr. 0.0318 0.0269 0.0290
13:01-14:00, Thu., 18 Apr. 0.0308 0.0268 0.0288
12:01-13:00, Thu., 18 Apr. 0.0318 0.0259 0.0289
11:01-12:00, Thu., 18 Apr. 0.0310 0.0266 0.0288
10:01-11:00, Thu., 18 Apr. 0.0323 0.0273 0.0292
09:01-10:00, Thu., 18 Apr. 0.0315 0.0256 0.0288
08:01-09:00, Thu., 18 Apr. 0.0311 0.0273 0.0290
07:01-08:00, Thu., 18 Apr. 0.0315 0.0270 0.0291
06:01-07:00, Thu., 18 Apr. 0.0308 0.0263 0.0289
05:01-06:00, Thu., 18 Apr. 0.0309 0.0275 0.0288
04:01-05:00, Thu., 18 Apr. 0.0309 0.0266 0.0286
03:01-04:00, Thu., 18 Apr. 0.0310 0.0260 0.0288
02:01-03:00, Thu., 18 Apr. 0.0307 0.0267 0.0288
01:01-02:00, Thu., 18 Apr. 0.0307 0.0270 0.0287
00:01-01:00, Thu., 18 Apr. 0.0308 0.0259 0.0286
23:01-24:00, Wed., 17 Apr. 0.0301 0.0263 0.0285
22:01-23:00, Wed., 17 Apr. 0.0302 0.0261 0.0282
21:01-22:00, Wed., 17 Apr. 0.0318 0.0266 0.0284
20:01-21:00, Wed., 17 Apr. 0.0301 0.0261 0.0282
19:01-20:00, Wed., 17 Apr. 0.0301 0.0253 0.0281
18:01-19:00, Wed., 17 Apr. 0.0306 0.0265 0.0282
17:01-18:00, Wed., 17 Apr. 0.0311 0.0258 0.0282
16:01-17:00, Wed., 17 Apr. 0.0309 0.0261 0.0286
15:01-16:00, Wed., 17 Apr. 0.0305 0.0256 0.0282
14:01-15:00, Wed., 17 Apr. 0.0302 0.0262 0.0281
13:01-14:00, Wed., 17 Apr. 0.0300 0.0261 0.0282
12:01-13:00, Wed., 17 Apr. 0.0302 0.0264 0.0283
11:01-12:00, Wed., 17 Apr. 0.0306 0.0264 0.0280
10:01-11:00, Wed., 17 Apr. 0.0309 0.0260 0.0281
09:01-10:00, Wed., 17 Apr. 0.0301 0.0262 0.0281
08:01-09:00, Wed., 17 Apr. 0.0305 0.0259 0.0282
07:01-08:00, Wed., 17 Apr. 0.0303 0.0264 0.0284
06:01-07:00, Wed., 17 Apr. 0.0311 0.0271 0.0289
05:01-06:00, Wed., 17 Apr. 0.0301 0.0258 0.0281
04:01-05:00, Wed., 17 Apr. 0.0317 0.0259 0.0283
03:01-04:00, Wed., 17 Apr. 0.0321 0.0276 0.0291
02:01-03:00, Wed., 17 Apr. 0.0321 0.0269 0.0292
01:01-02:00, Wed., 17 Apr. 0.0301 0.0262 0.0282
00:01-01:00, Wed., 17 Apr. 0.0304 0.0262 0.0280
23:01-24:00, Tue., 16 Apr. 0.0297 0.0258 0.0280
22:01-23:00, Tue., 16 Apr. 0.0304 0.0258 0.0279
21:01-22:00, Tue., 16 Apr. 0.0299 0.0264 0.0280
20:01-21:00, Tue., 16 Apr. 0.0301 0.0256 0.0278
19:01-20:00, Tue., 16 Apr. 0.0305 0.0252 0.0277
18:01-19:00, Tue., 16 Apr. 0.0302 0.0257 0.0279
17:01-18:00, Tue., 16 Apr. 0.0304 0.0254 0.0277
16:01-17:00, Tue., 16 Apr. 0.0311 0.0259 0.0279
15:01-16:00, Tue., 16 Apr. 0.0295 0.0252 0.0277
14:01-15:00, Tue., 16 Apr. 0.0310 0.0261 0.0281
13:01-14:00, Tue., 16 Apr. 0.0304 0.0257 0.0279
12:01-13:00, Tue., 16 Apr. 0.0311 0.0259 0.0279
11:01-12:00, Tue., 16 Apr. 0.0307 0.0252 0.0278
10:01-11:00, Tue., 16 Apr. 0.0294 0.0256 0.0278
09:01-10:00, Tue., 16 Apr. 0.0297 0.0257 0.0279
08:01-09:00, Tue., 16 Apr. 0.0304 0.0264 0.0285
07:01-08:00, Tue., 16 Apr. 0.0312 0.0264 0.0284
06:01-07:00, Tue., 16 Apr. 0.0301 0.0256 0.0278
05:01-06:00, Tue., 16 Apr. 0.0303 0.0262 0.0279
04:01-05:00, Tue., 16 Apr. 0.0297 0.0253 0.0275
03:01-04:00, Tue., 16 Apr. 0.0298 0.0258 0.0278
02:01-03:00, Tue., 16 Apr. 0.0295 0.0259 0.0277
01:01-02:00, Tue., 16 Apr. 0.0298 0.0249 0.0278
00:01-01:00, Tue., 16 Apr. 0.0302 0.0257 0.0278
23:01-24:00, Mon., 15 Apr. 0.0296 0.0258 0.0279
22:01-23:00, Mon., 15 Apr. 0.0297 0.0256 0.0278
21:01-22:00, Mon., 15 Apr. 0.0301 0.0261 0.0279
20:01-21:00, Mon., 15 Apr. 0.0294 0.0249 0.0275
19:01-20:00, Mon., 15 Apr. 0.0302 0.0255 0.0277
18:01-19:00, Mon., 15 Apr. 0.0295 0.0258 0.0276
17:01-18:00, Mon., 15 Apr. 0.0294 0.0251 0.0278
16:01-17:00, Mon., 15 Apr. 0.0299 0.0255 0.0279
15:01-16:00, Mon., 15 Apr. 0.0304 0.0263 0.0282
14:01-15:00, Mon., 15 Apr. 0.0297 0.0258 0.0278
13:01-14:00, Mon., 15 Apr. 0.0298 0.0259 0.0280
12:01-13:00, Mon., 15 Apr. 0.0300 0.0257 0.0280
11:01-12:00, Mon., 15 Apr. 0.0303 0.0256 0.0280
10:01-11:00, Mon., 15 Apr. 0.0310 0.0264 0.0283
09:01-10:00, Mon., 15 Apr. 0.0302 0.0263 0.0283
08:01-09:00, Mon., 15 Apr. 0.0304 0.0266 0.0285
07:01-08:00, Mon., 15 Apr. 0.0307 0.0267 0.0287
06:01-07:00, Mon., 15 Apr. 0.0315 0.0273 0.0292
05:01-06:00, Mon., 15 Apr. 0.0313 0.0277 0.0294
04:01-05:00, Mon., 15 Apr. 0.0314 0.0266 0.0292
03:01-04:00, Mon., 15 Apr. 0.0298 0.0262 0.0280
02:01-03:00, Mon., 15 Apr. 0.0302 0.0259 0.0277
01:01-02:00, Mon., 15 Apr. 0.0301 0.0253 0.0276
00:01-01:00, Mon., 15 Apr. 0.0301 0.0253 0.0276