Measurement results by the hour (Chofu) 28 Mar., 2022 - 3 Apr., 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., 03 Apr. 0.0348 0.0298 0.0321
22:01-23:00, Sun., 03 Apr. 0.0350 0.0306 0.0329
21:01-22:00, Sun., 03 Apr. 0.0357 0.0310 0.0331
20:01-21:00, Sun., 03 Apr. 0.0361 0.0311 0.0334
19:01-20:00, Sun., 03 Apr. 0.0350 0.0314 0.0329
18:01-19:00, Sun., 03 Apr. 0.0353 0.0303 0.0322
17:01-18:00, Sun., 03 Apr. 0.0350 0.0291 0.0314
16:01-17:00, Sun., 03 Apr. 0.0334 0.0291 0.0309
15:01-16:00, Sun., 03 Apr. 0.0326 0.0282 0.0308
14:01-15:00, Sun., 03 Apr. 0.0337 0.0288 0.0316
13:01-14:00, Sun., 03 Apr. 0.0348 0.0307 0.0329
12:01-13:00, Sun., 03 Apr. 0.0355 0.0307 0.0329
11:01-12:00, Sun., 03 Apr. 0.0345 0.0298 0.0318
10:01-11:00, Sun., 03 Apr. 0.0315 0.0277 0.0294
09:01-10:00, Sun., 03 Apr. 0.0344 0.0291 0.0311
08:01-09:00, Sun., 03 Apr. 0.0320 0.0280 0.0301
07:01-08:00, Sun., 03 Apr. 0.0310 0.0259 0.0282
06:01-07:00, Sun., 03 Apr. 0.0307 0.0263 0.0279
05:01-06:00, Sun., 03 Apr. 0.0328 0.0280 0.0303
04:01-05:00, Sun., 03 Apr. 0.0331 0.0284 0.0310
03:01-04:00, Sun., 03 Apr. 0.0315 0.0272 0.0292
02:01-03:00, Sun., 03 Apr. 0.0299 0.0255 0.0279
01:01-02:00, Sun., 03 Apr. 0.0295 0.0250 0.0268
00:01-01:00, Sun., 03 Apr. 0.0286 0.0248 0.0267
23:01-24:00, Sat., 02 Apr. 0.0278 0.0250 0.0265
22:01-23:00, Sat., 02 Apr. 0.0290 0.0242 0.0265
21:01-22:00, Sat., 02 Apr. 0.0295 0.0248 0.0265
20:01-21:00, Sat., 02 Apr. 0.0284 0.0245 0.0264
19:01-20:00, Sat., 02 Apr. 0.0287 0.0242 0.0263
18:01-19:00, Sat., 02 Apr. 0.0282 0.0243 0.0262
17:01-18:00, Sat., 02 Apr. 0.0281 0.0239 0.0261
16:01-17:00, Sat., 02 Apr. 0.0283 0.0248 0.0263
15:01-16:00, Sat., 02 Apr. 0.0277 0.0253 0.0265
14:01-15:00, Sat., 02 Apr. 0.0279 0.0246 0.0264
13:01-14:00, Sat., 02 Apr. 0.0283 0.0246 0.0262
12:01-13:00, Sat., 02 Apr. 0.0284 0.0244 0.0265
11:01-12:00, Sat., 02 Apr. 0.0283 0.0251 0.0266
10:01-11:00, Sat., 02 Apr. 0.0291 0.0232 0.0266
09:01-10:00, Sat., 02 Apr. 0.0289 0.0248 0.0266
08:01-09:00, Sat., 02 Apr. 0.0290 0.0252 0.0268
07:01-08:00, Sat., 02 Apr. 0.0288 0.0243 0.0268
06:01-07:00, Sat., 02 Apr. 0.0290 0.0249 0.0268
05:01-06:00, Sat., 02 Apr. 0.0288 0.0248 0.0268
04:01-05:00, Sat., 02 Apr. 0.0285 0.0252 0.0269
03:01-04:00, Sat., 02 Apr. 0.0283 0.0252 0.0267
02:01-03:00, Sat., 02 Apr. 0.0288 0.0249 0.0268
01:01-02:00, Sat., 02 Apr. 0.0284 0.0246 0.0266
00:01-01:00, Sat., 02 Apr. 0.0283 0.0246 0.0267
23:01-24:00, Fri., 01 Apr. 0.0284 0.0251 0.0267
22:01-23:00, Fri., 01 Apr. 0.0280 0.0250 0.0266
21:01-22:00, Fri., 01 Apr. 0.0298 0.0249 0.0267
20:01-21:00, Fri., 01 Apr. 0.0281 0.0248 0.0263
19:01-20:00, Fri., 01 Apr. 0.0286 0.0244 0.0265
18:01-19:00, Fri., 01 Apr. 0.0283 0.0242 0.0263
17:01-18:00, Fri., 01 Apr. 0.0280 0.0248 0.0264
16:01-17:00, Fri., 01 Apr. 0.0286 0.0239 0.0262
15:01-16:00, Fri., 01 Apr. 0.0287 0.0247 0.0262
14:01-15:00, Fri., 01 Apr. 0.0291 0.0249 0.0264
13:01-14:00, Fri., 01 Apr. 0.0282 0.0245 0.0263
12:01-13:00, Fri., 01 Apr. 0.0283 0.0248 0.0264
11:01-12:00, Fri., 01 Apr. 0.0287 0.0243 0.0264
10:01-11:00, Fri., 01 Apr. 0.0283 0.0246 0.0266
09:01-10:00, Fri., 01 Apr. 0.0298 0.0248 0.0273
08:01-09:00, Fri., 01 Apr. 0.0347 0.0267 0.0300
07:01-08:00, Fri., 01 Apr. 0.0516 0.0338 0.0408
06:01-07:00, Fri., 01 Apr. 0.0657 0.0492 0.0575
05:01-06:00, Fri., 01 Apr. 0.0630 0.0466 0.0541
04:01-05:00, Fri., 01 Apr. 0.0515 0.0422 0.0471
03:01-04:00, Fri., 01 Apr. 0.0504 0.0420 0.0465
02:01-03:00, Fri., 01 Apr. 0.0515 0.0455 0.0483
01:01-02:00, Fri., 01 Apr. 0.0480 0.0421 0.0451
00:01-01:00, Fri., 01 Apr. 0.0522 0.0428 0.0469
23:01-24:00, Thu., 31 Mar. 0.0496 0.0382 0.0427
22:01-23:00, Thu., 31 Mar. 0.0463 0.0387 0.0424
21:01-22:00, Thu., 31 Mar. 0.0439 0.0278 0.0375
20:01-21:00, Thu., 31 Mar. 0.0331 0.0270 0.0300
19:01-20:00, Thu., 31 Mar. 0.0290 0.0260 0.0275
18:01-19:00, Thu., 31 Mar. 0.0292 0.0254 0.0273
17:01-18:00, Thu., 31 Mar. 0.0289 0.0250 0.0273
16:01-17:00, Thu., 31 Mar. 0.0298 0.0246 0.0271
15:01-16:00, Thu., 31 Mar. 0.0287 0.0253 0.0270
14:01-15:00, Thu., 31 Mar. 0.0285 0.0244 0.0269
13:01-14:00, Thu., 31 Mar. 0.0283 0.0247 0.0269
12:01-13:00, Thu., 31 Mar. 0.0285 0.0250 0.0269
11:01-12:00, Thu., 31 Mar. 0.0291 0.0256 0.0270
10:01-11:00, Thu., 31 Mar. 0.0287 0.0258 0.0274
09:01-10:00, Thu., 31 Mar. 0.0298 0.0258 0.0273
08:01-09:00, Thu., 31 Mar. 0.0294 0.0262 0.0278
07:01-08:00, Thu., 31 Mar. 0.0300 0.0261 0.0283
06:01-07:00, Thu., 31 Mar. 0.0300 0.0265 0.0282
05:01-06:00, Thu., 31 Mar. 0.0304 0.0262 0.0279
04:01-05:00, Thu., 31 Mar. 0.0299 0.0264 0.0280
03:01-04:00, Thu., 31 Mar. 0.0293 0.0258 0.0276
02:01-03:00, Thu., 31 Mar. 0.0298 0.0251 0.0273
01:01-02:00, Thu., 31 Mar. 0.0289 0.0258 0.0272
00:01-01:00, Thu., 31 Mar. 0.0293 0.0253 0.0270
23:01-24:00, Wed., 30 Mar. 0.0289 0.0254 0.0271
22:01-23:00, Wed., 30 Mar. 0.0283 0.0245 0.0267
21:01-22:00, Wed., 30 Mar. 0.0289 0.0247 0.0267
20:01-21:00, Wed., 30 Mar. 0.0287 0.0254 0.0269
19:01-20:00, Wed., 30 Mar. 0.0290 0.0252 0.0269
18:01-19:00, Wed., 30 Mar. 0.0295 0.0247 0.0267
17:01-18:00, Wed., 30 Mar. 0.0283 0.0250 0.0265
16:01-17:00, Wed., 30 Mar. 0.0296 0.0252 0.0268
15:01-16:00, Wed., 30 Mar. 0.0299 0.0248 0.0270
14:01-15:00, Wed., 30 Mar. 0.0286 0.0250 0.0263
13:01-14:00, Wed., 30 Mar. 0.0285 0.0250 0.0267
12:01-13:00, Wed., 30 Mar. 0.0291 0.0247 0.0268
11:01-12:00, Wed., 30 Mar. 0.0283 0.0250 0.0265
10:01-11:00, Wed., 30 Mar. 0.0288 0.0253 0.0269
09:01-10:00, Wed., 30 Mar. 0.0292 0.0258 0.0272
08:01-09:00, Wed., 30 Mar. 0.0295 0.0256 0.0273
07:01-08:00, Wed., 30 Mar. 0.0298 0.0255 0.0273
06:01-07:00, Wed., 30 Mar. 0.0288 0.0253 0.0271
05:01-06:00, Wed., 30 Mar. 0.0292 0.0251 0.0273
04:01-05:00, Wed., 30 Mar. 0.0297 0.0253 0.0273
03:01-04:00, Wed., 30 Mar. 0.0292 0.0262 0.0275
02:01-03:00, Wed., 30 Mar. 0.0286 0.0251 0.0271
01:01-02:00, Wed., 30 Mar. 0.0297 0.0251 0.0275
00:01-01:00, Wed., 30 Mar. 0.0292 0.0255 0.0272
23:01-24:00, Tue., 29 Mar. 0.0288 0.0253 0.0273
22:01-23:00, Tue., 29 Mar. 0.0287 0.0257 0.0272
21:01-22:00, Tue., 29 Mar. 0.0292 0.0250 0.0270
20:01-21:00, Tue., 29 Mar. 0.0285 0.0253 0.0271
19:01-20:00, Tue., 29 Mar. 0.0296 0.0252 0.0271
18:01-19:00, Tue., 29 Mar. 0.0289 0.0254 0.0271
17:01-18:00, Tue., 29 Mar. 0.0289 0.0254 0.0270
16:01-17:00, Tue., 29 Mar. 0.0288 0.0253 0.0271
15:01-16:00, Tue., 29 Mar. 0.0291 0.0248 0.0269
14:01-15:00, Tue., 29 Mar. 0.0296 0.0252 0.0272
13:01-14:00, Tue., 29 Mar. 0.0296 0.0248 0.0270
12:01-13:00, Tue., 29 Mar. 0.0291 0.0258 0.0271
11:01-12:00, Tue., 29 Mar. 0.0294 0.0251 0.0272
10:01-11:00, Tue., 29 Mar. 0.0298 0.0250 0.0269
09:01-10:00, Tue., 29 Mar. 0.0288 0.0249 0.0271
08:01-09:00, Tue., 29 Mar. 0.0295 0.0255 0.0272
07:01-08:00, Tue., 29 Mar. 0.0297 0.0252 0.0275
06:01-07:00, Tue., 29 Mar. 0.0292 0.0252 0.0273
05:01-06:00, Tue., 29 Mar. 0.0285 0.0244 0.0270
04:01-05:00, Tue., 29 Mar. 0.0292 0.0250 0.0270
03:01-04:00, Tue., 29 Mar. 0.0287 0.0250 0.0271
02:01-03:00, Tue., 29 Mar. 0.0289 0.0247 0.0270
01:01-02:00, Tue., 29 Mar. 0.0287 0.0245 0.0269
00:01-01:00, Tue., 29 Mar. 0.0287 0.0253 0.0270
23:01-24:00, Mon., 28 Mar. 0.0285 0.0255 0.0269
22:01-23:00, Mon., 28 Mar. 0.0290 0.0250 0.0269
21:01-22:00, Mon., 28 Mar. 0.0303 0.0247 0.0268
20:01-21:00, Mon., 28 Mar. 0.0283 0.0252 0.0269
19:01-20:00, Mon., 28 Mar. 0.0288 0.0249 0.0269
18:01-19:00, Mon., 28 Mar. 0.0288 0.0246 0.0269
17:01-18:00, Mon., 28 Mar. 0.0281 0.0254 0.0267
16:01-17:00, Mon., 28 Mar. 0.0283 0.0246 0.0265
15:01-16:00, Mon., 28 Mar. 0.0283 0.0250 0.0268
14:01-15:00, Mon., 28 Mar. 0.0290 0.0247 0.0269
13:01-14:00, Mon., 28 Mar. 0.0293 0.0255 0.0271
12:01-13:00, Mon., 28 Mar. 0.0294 0.0256 0.0271
11:01-12:00, Mon., 28 Mar. 0.0291 0.0252 0.0271
10:01-11:00, Mon., 28 Mar. 0.0290 0.0258 0.0273
09:01-10:00, Mon., 28 Mar. 0.0288 0.0247 0.0271
08:01-09:00, Mon., 28 Mar. 0.0296 0.0254 0.0272
07:01-08:00, Mon., 28 Mar. 0.0292 0.0253 0.0270
06:01-07:00, Mon., 28 Mar. 0.0287 0.0253 0.0269
05:01-06:00, Mon., 28 Mar. 0.0295 0.0250 0.0268
04:01-05:00, Mon., 28 Mar. 0.0303 0.0252 0.0270
03:01-04:00, Mon., 28 Mar. 0.0292 0.0252 0.0270
02:01-03:00, Mon., 28 Mar. 0.0296 0.0256 0.0277
01:01-02:00, Mon., 28 Mar. 0.0301 0.0261 0.0281
00:01-01:00, Mon., 28 Mar. 0.0305 0.0267 0.0284