Measurement results by the hour (Chofu) 3 Mar., 2025 - 9 Mar., 2025

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., 09 Mar. 0.0279 0.0242 0.0261
22:01-23:00, Sun., 09 Mar. 0.0283 0.0245 0.0264
21:01-22:00, Sun., 09 Mar. 0.0288 0.0245 0.0265
20:01-21:00, Sun., 09 Mar. 0.0289 0.0242 0.0263
19:01-20:00, Sun., 09 Mar. 0.0287 0.0248 0.0264
18:01-19:00, Sun., 09 Mar. 0.0283 0.0247 0.0264
17:01-18:00, Sun., 09 Mar. 0.0283 0.0247 0.0262
16:01-17:00, Sun., 09 Mar. 0.0287 0.0242 0.0266
15:01-16:00, Sun., 09 Mar. 0.0285 0.0242 0.0266
14:01-15:00, Sun., 09 Mar. 0.0285 0.0242 0.0265
13:01-14:00, Sun., 09 Mar. 0.0293 0.0252 0.0271
12:01-13:00, Sun., 09 Mar. 0.0288 0.0247 0.0271
11:01-12:00, Sun., 09 Mar. 0.0297 0.0256 0.0273
10:01-11:00, Sun., 09 Mar. 0.0291 0.0253 0.0272
09:01-10:00, Sun., 09 Mar. 0.0297 0.0252 0.0270
08:01-09:00, Sun., 09 Mar. 0.0283 0.0247 0.0269
07:01-08:00, Sun., 09 Mar. 0.0301 0.0249 0.0272
06:01-07:00, Sun., 09 Mar. 0.0286 0.0253 0.0271
05:01-06:00, Sun., 09 Mar. 0.0293 0.0249 0.0271
04:01-05:00, Sun., 09 Mar. 0.0296 0.0249 0.0272
03:01-04:00, Sun., 09 Mar. 0.0294 0.0256 0.0273
02:01-03:00, Sun., 09 Mar. 0.0294 0.0251 0.0275
01:01-02:00, Sun., 09 Mar. 0.0297 0.0259 0.0276
00:01-01:00, Sun., 09 Mar. 0.0308 0.0265 0.0284
23:01-24:00, Sat., 08 Mar. 0.0302 0.0260 0.0279
22:01-23:00, Sat., 08 Mar. 0.0311 0.0253 0.0279
21:01-22:00, Sat., 08 Mar. 0.0346 0.0281 0.0315
20:01-21:00, Sat., 08 Mar. 0.0416 0.0333 0.0376
19:01-20:00, Sat., 08 Mar. 0.0417 0.0361 0.0389
18:01-19:00, Sat., 08 Mar. 0.0404 0.0354 0.0379
17:01-18:00, Sat., 08 Mar. 0.0392 0.0332 0.0364
16:01-17:00, Sat., 08 Mar. 0.0348 0.0273 0.0315
15:01-16:00, Sat., 08 Mar. 0.0297 0.0255 0.0277
14:01-15:00, Sat., 08 Mar. 0.0317 0.0263 0.0286
13:01-14:00, Sat., 08 Mar. 0.0301 0.0259 0.0278
12:01-13:00, Sat., 08 Mar. 0.0293 0.0252 0.0272
11:01-12:00, Sat., 08 Mar. 0.0291 0.0256 0.0273
10:01-11:00, Sat., 08 Mar. 0.0286 0.0254 0.0270
09:01-10:00, Sat., 08 Mar. 0.0303 0.0254 0.0273
08:01-09:00, Sat., 08 Mar. 0.0295 0.0250 0.0274
07:01-08:00, Sat., 08 Mar. 0.0288 0.0249 0.0271
06:01-07:00, Sat., 08 Mar. 0.0290 0.0248 0.0270
05:01-06:00, Sat., 08 Mar. 0.0290 0.0258 0.0272
04:01-05:00, Sat., 08 Mar. 0.0296 0.0252 0.0272
03:01-04:00, Sat., 08 Mar. 0.0297 0.0249 0.0275
02:01-03:00, Sat., 08 Mar. 0.0295 0.0252 0.0272
01:01-02:00, Sat., 08 Mar. 0.0294 0.0257 0.0273
00:01-01:00, Sat., 08 Mar. 0.0298 0.0254 0.0273
23:01-24:00, Fri., 07 Mar. 0.0296 0.0255 0.0273
22:01-23:00, Fri., 07 Mar. 0.0290 0.0245 0.0273
21:01-22:00, Fri., 07 Mar. 0.0286 0.0255 0.0271
20:01-21:00, Fri., 07 Mar. 0.0290 0.0248 0.0272
19:01-20:00, Fri., 07 Mar. 0.0288 0.0250 0.0270
18:01-19:00, Fri., 07 Mar. 0.0288 0.0249 0.0270
17:01-18:00, Fri., 07 Mar. 0.0294 0.0244 0.0271
16:01-17:00, Fri., 07 Mar. 0.0296 0.0249 0.0268
15:01-16:00, Fri., 07 Mar. 0.0292 0.0249 0.0270
14:01-15:00, Fri., 07 Mar. 0.0289 0.0250 0.0271
13:01-14:00, Fri., 07 Mar. 0.0294 0.0254 0.0274
12:01-13:00, Fri., 07 Mar. 0.0294 0.0258 0.0274
11:01-12:00, Fri., 07 Mar. 0.0293 0.0253 0.0275
10:01-11:00, Fri., 07 Mar. 0.0287 0.0245 0.0270
09:01-10:00, Fri., 07 Mar. 0.0303 0.0247 0.0271
08:01-09:00, Fri., 07 Mar. 0.0294 0.0256 0.0273
07:01-08:00, Fri., 07 Mar. 0.0286 0.0250 0.0269
06:01-07:00, Fri., 07 Mar. 0.0286 0.0252 0.0270
05:01-06:00, Fri., 07 Mar. 0.0298 0.0237 0.0269
04:01-05:00, Fri., 07 Mar. 0.0285 0.0245 0.0269
03:01-04:00, Fri., 07 Mar. 0.0296 0.0246 0.0268
02:01-03:00, Fri., 07 Mar. 0.0296 0.0242 0.0269
01:01-02:00, Fri., 07 Mar. 0.0304 0.0242 0.0267
00:01-01:00, Fri., 07 Mar. 0.0284 0.0242 0.0264
23:01-24:00, Thu., 06 Mar. 0.0281 0.0248 0.0264
22:01-23:00, Thu., 06 Mar. 0.0286 0.0247 0.0266
21:01-22:00, Thu., 06 Mar. 0.0289 0.0242 0.0264
20:01-21:00, Thu., 06 Mar. 0.0291 0.0248 0.0268
19:01-20:00, Thu., 06 Mar. 0.0292 0.0256 0.0273
18:01-19:00, Thu., 06 Mar. 0.0297 0.0254 0.0270
17:01-18:00, Thu., 06 Mar. 0.0283 0.0237 0.0263
16:01-17:00, Thu., 06 Mar. 0.0290 0.0247 0.0264
15:01-16:00, Thu., 06 Mar. 0.0286 0.0240 0.0266
14:01-15:00, Thu., 06 Mar. 0.0286 0.0248 0.0267
13:01-14:00, Thu., 06 Mar. 0.0290 0.0254 0.0272
12:01-13:00, Thu., 06 Mar. 0.0327 0.0262 0.0293
11:01-12:00, Thu., 06 Mar. 0.0329 0.0247 0.0289
10:01-11:00, Thu., 06 Mar. 0.0297 0.0245 0.0268
09:01-10:00, Thu., 06 Mar. 0.0289 0.0245 0.0267
08:01-09:00, Thu., 06 Mar. 0.0286 0.0245 0.0266
07:01-08:00, Thu., 06 Mar. 0.0289 0.0250 0.0268
06:01-07:00, Thu., 06 Mar. 0.0290 0.0256 0.0270
05:01-06:00, Thu., 06 Mar. 0.0294 0.0256 0.0275
04:01-05:00, Thu., 06 Mar. 0.0302 0.0256 0.0274
03:01-04:00, Thu., 06 Mar. 0.0287 0.0256 0.0273
02:01-03:00, Thu., 06 Mar. 0.0288 0.0252 0.0273
01:01-02:00, Thu., 06 Mar. 0.0294 0.0259 0.0273
00:01-01:00, Thu., 06 Mar. 0.0291 0.0249 0.0272
23:01-24:00, Wed., 05 Mar. 0.0294 0.0250 0.0271
22:01-23:00, Wed., 05 Mar. 0.0286 0.0246 0.0270
21:01-22:00, Wed., 05 Mar. 0.0290 0.0249 0.0267
20:01-21:00, Wed., 05 Mar. 0.0286 0.0242 0.0265
19:01-20:00, Wed., 05 Mar. 0.0284 0.0247 0.0266
18:01-19:00, Wed., 05 Mar. 0.0288 0.0245 0.0265
17:01-18:00, Wed., 05 Mar. 0.0301 0.0256 0.0274
16:01-17:00, Wed., 05 Mar. 0.0314 0.0264 0.0285
15:01-16:00, Wed., 05 Mar. 0.0328 0.0273 0.0303
14:01-15:00, Wed., 05 Mar. 0.0338 0.0294 0.0317
13:01-14:00, Wed., 05 Mar. 0.0349 0.0295 0.0318
12:01-13:00, Wed., 05 Mar. 0.0358 0.0307 0.0328
11:01-12:00, Wed., 05 Mar. 0.0373 0.0307 0.0341
10:01-11:00, Wed., 05 Mar. 0.0354 0.0313 0.0335
09:01-10:00, Wed., 05 Mar. 0.0357 0.0308 0.0333
08:01-09:00, Wed., 05 Mar. 0.0356 0.0304 0.0334
07:01-08:00, Wed., 05 Mar. 0.0373 0.0322 0.0350
06:01-07:00, Wed., 05 Mar. 0.0375 0.0306 0.0343
05:01-06:00, Wed., 05 Mar. 0.0368 0.0297 0.0336
04:01-05:00, Wed., 05 Mar. 0.0390 0.0331 0.0353
03:01-04:00, Wed., 05 Mar. 0.0384 0.0283 0.0338
02:01-03:00, Wed., 05 Mar. 0.0354 0.0300 0.0333
01:01-02:00, Wed., 05 Mar. 0.0367 0.0318 0.0340
00:01-01:00, Wed., 05 Mar. 0.0366 0.0318 0.0340
23:01-24:00, Tue., 04 Mar. 0.0362 0.0312 0.0335
22:01-23:00, Tue., 04 Mar. 0.0377 0.0325 0.0348
21:01-22:00, Tue., 04 Mar. 0.0406 0.0339 0.0375
20:01-21:00, Tue., 04 Mar. 0.0385 0.0294 0.0335
19:01-20:00, Tue., 04 Mar. 0.0356 0.0313 0.0334
18:01-19:00, Tue., 04 Mar. 0.0374 0.0331 0.0355
17:01-18:00, Tue., 04 Mar. 0.0368 0.0329 0.0351
16:01-17:00, Tue., 04 Mar. 0.0368 0.0303 0.0337
15:01-16:00, Tue., 04 Mar. 0.0325 0.0261 0.0290
14:01-15:00, Tue., 04 Mar. 0.0294 0.0252 0.0269
13:01-14:00, Tue., 04 Mar. 0.0289 0.0248 0.0265
12:01-13:00, Tue., 04 Mar. 0.0289 0.0246 0.0265
11:01-12:00, Tue., 04 Mar. 0.0285 0.0240 0.0264
10:01-11:00, Tue., 04 Mar. 0.0288 0.0246 0.0267
09:01-10:00, Tue., 04 Mar. 0.0285 0.0239 0.0265
08:01-09:00, Tue., 04 Mar. 0.0289 0.0251 0.0267
07:01-08:00, Tue., 04 Mar. 0.0287 0.0242 0.0268
06:01-07:00, Tue., 04 Mar. 0.0291 0.0243 0.0270
05:01-06:00, Tue., 04 Mar. 0.0290 0.0245 0.0268
04:01-05:00, Tue., 04 Mar. 0.0286 0.0244 0.0265
03:01-04:00, Tue., 04 Mar. 0.0286 0.0242 0.0265
02:01-03:00, Tue., 04 Mar. 0.0294 0.0248 0.0265
01:01-02:00, Tue., 04 Mar. 0.0286 0.0243 0.0263
00:01-01:00, Tue., 04 Mar. 0.0285 0.0242 0.0266
23:01-24:00, Mon., 03 Mar. 0.0287 0.0249 0.0266
22:01-23:00, Mon., 03 Mar. 0.0288 0.0242 0.0266
21:01-22:00, Mon., 03 Mar. 0.0286 0.0245 0.0265
20:01-21:00, Mon., 03 Mar. 0.0285 0.0243 0.0264
19:01-20:00, Mon., 03 Mar. 0.0302 0.0245 0.0273
18:01-19:00, Mon., 03 Mar. 0.0347 0.0273 0.0302
17:01-18:00, Mon., 03 Mar. 0.0484 0.0325 0.0398
16:01-17:00, Mon., 03 Mar. 0.0569 0.0457 0.0516
15:01-16:00, Mon., 03 Mar. 0.0661 0.0541 0.0605
14:01-15:00, Mon., 03 Mar. 0.0667 0.0607 0.0640
13:01-14:00, Mon., 03 Mar. 0.0669 0.0551 0.0599
12:01-13:00, Mon., 03 Mar. 0.0592 0.0501 0.0540
11:01-12:00, Mon., 03 Mar. 0.0621 0.0534 0.0577
10:01-11:00, Mon., 03 Mar. 0.0617 0.0479 0.0546
09:01-10:00, Mon., 03 Mar. 0.0490 0.0371 0.0436
08:01-09:00, Mon., 03 Mar. 0.0453 0.0377 0.0415
07:01-08:00, Mon., 03 Mar. 0.0503 0.0445 0.0469
06:01-07:00, Mon., 03 Mar. 0.0507 0.0418 0.0462
05:01-06:00, Mon., 03 Mar. 0.0496 0.0405 0.0452
04:01-05:00, Mon., 03 Mar. 0.0477 0.0419 0.0445
03:01-04:00, Mon., 03 Mar. 0.0457 0.0348 0.0403
02:01-03:00, Mon., 03 Mar. 0.0341 0.0262 0.0295
01:01-02:00, Mon., 03 Mar. 0.0298 0.0262 0.0283
00:01-01:00, Mon., 03 Mar. 0.0300 0.0255 0.0282