Measurement results by the hour (Chofu) 11 Jul., 2022 - 17 Jul., 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., 17 Jul. 0.0285 0.0251 0.0268
22:01-23:00, Sun., 17 Jul. 0.0285 0.0249 0.0269
21:01-22:00, Sun., 17 Jul. 0.0288 0.0245 0.0265
20:01-21:00, Sun., 17 Jul. 0.0282 0.0247 0.0265
19:01-20:00, Sun., 17 Jul. 0.0291 0.0252 0.0269
18:01-19:00, Sun., 17 Jul. 0.0288 0.0248 0.0265
17:01-18:00, Sun., 17 Jul. 0.0287 0.0246 0.0266
16:01-17:00, Sun., 17 Jul. 0.0285 0.0246 0.0267
15:01-16:00, Sun., 17 Jul. 0.0281 0.0246 0.0266
14:01-15:00, Sun., 17 Jul. 0.0284 0.0237 0.0264
13:01-14:00, Sun., 17 Jul. 0.0277 0.0243 0.0261
12:01-13:00, Sun., 17 Jul. 0.0279 0.0245 0.0261
11:01-12:00, Sun., 17 Jul. 0.0274 0.0245 0.0261
10:01-11:00, Sun., 17 Jul. 0.0281 0.0243 0.0263
09:01-10:00, Sun., 17 Jul. 0.0306 0.0253 0.0273
08:01-09:00, Sun., 17 Jul. 0.0306 0.0260 0.0286
07:01-08:00, Sun., 17 Jul. 0.0351 0.0279 0.0314
06:01-07:00, Sun., 17 Jul. 0.0359 0.0260 0.0296
05:01-06:00, Sun., 17 Jul. 0.0315 0.0257 0.0290
04:01-05:00, Sun., 17 Jul. 0.0336 0.0256 0.0303
03:01-04:00, Sun., 17 Jul. 0.0291 0.0252 0.0270
02:01-03:00, Sun., 17 Jul. 0.0320 0.0259 0.0292
01:01-02:00, Sun., 17 Jul. 0.0364 0.0272 0.0316
00:01-01:00, Sun., 17 Jul. 0.0549 0.0357 0.0437
23:01-24:00, Sat., 16 Jul. 0.0537 0.0403 0.0476
22:01-23:00, Sat., 16 Jul. 0.0448 0.0338 0.0379
21:01-22:00, Sat., 16 Jul. 0.0378 0.0293 0.0333
20:01-21:00, Sat., 16 Jul. 0.0312 0.0260 0.0286
19:01-20:00, Sat., 16 Jul. 0.0330 0.0263 0.0300
18:01-19:00, Sat., 16 Jul. 0.0314 0.0266 0.0287
17:01-18:00, Sat., 16 Jul. 0.0315 0.0269 0.0288
16:01-17:00, Sat., 16 Jul. 0.0364 0.0282 0.0321
15:01-16:00, Sat., 16 Jul. 0.0478 0.0341 0.0394
14:01-15:00, Sat., 16 Jul. 0.0657 0.0448 0.0557
13:01-14:00, Sat., 16 Jul. 0.0638 0.0418 0.0542
12:01-13:00, Sat., 16 Jul. 0.0426 0.0305 0.0345
11:01-12:00, Sat., 16 Jul. 0.0383 0.0298 0.0344
10:01-11:00, Sat., 16 Jul. 0.0339 0.0263 0.0301
09:01-10:00, Sat., 16 Jul. 0.0308 0.0265 0.0283
08:01-09:00, Sat., 16 Jul. 0.0293 0.0255 0.0275
07:01-08:00, Sat., 16 Jul. 0.0299 0.0265 0.0284
06:01-07:00, Sat., 16 Jul. 0.0302 0.0256 0.0278
05:01-06:00, Sat., 16 Jul. 0.0295 0.0252 0.0274
04:01-05:00, Sat., 16 Jul. 0.0289 0.0256 0.0269
03:01-04:00, Sat., 16 Jul. 0.0291 0.0254 0.0270
02:01-03:00, Sat., 16 Jul. 0.0281 0.0244 0.0261
01:01-02:00, Sat., 16 Jul. 0.0281 0.0242 0.0262
00:01-01:00, Sat., 16 Jul. 0.0282 0.0250 0.0262
23:01-24:00, Fri., 15 Jul. 0.0279 0.0243 0.0261
22:01-23:00, Fri., 15 Jul. 0.0285 0.0241 0.0263
21:01-22:00, Fri., 15 Jul. 0.0300 0.0246 0.0273
20:01-21:00, Fri., 15 Jul. 0.0369 0.0272 0.0312
19:01-20:00, Fri., 15 Jul. 0.0486 0.0350 0.0405
18:01-19:00, Fri., 15 Jul. 0.0530 0.0429 0.0475
17:01-18:00, Fri., 15 Jul. 0.0533 0.0439 0.0480
16:01-17:00, Fri., 15 Jul. 0.0498 0.0357 0.0420
15:01-16:00, Fri., 15 Jul. 0.0429 0.0362 0.0389
14:01-15:00, Fri., 15 Jul. 0.0416 0.0284 0.0354
13:01-14:00, Fri., 15 Jul. 0.0307 0.0248 0.0269
12:01-13:00, Fri., 15 Jul. 0.0295 0.0248 0.0275
11:01-12:00, Fri., 15 Jul. 0.0370 0.0278 0.0325
10:01-11:00, Fri., 15 Jul. 0.0428 0.0354 0.0390
09:01-10:00, Fri., 15 Jul. 0.0385 0.0289 0.0339
08:01-09:00, Fri., 15 Jul. 0.0329 0.0261 0.0296
07:01-08:00, Fri., 15 Jul. 0.0300 0.0250 0.0278
06:01-07:00, Fri., 15 Jul. 0.0286 0.0243 0.0261
05:01-06:00, Fri., 15 Jul. 0.0278 0.0235 0.0258
04:01-05:00, Fri., 15 Jul. 0.0281 0.0244 0.0260
03:01-04:00, Fri., 15 Jul. 0.0276 0.0238 0.0258
02:01-03:00, Fri., 15 Jul. 0.0285 0.0241 0.0261
01:01-02:00, Fri., 15 Jul. 0.0307 0.0256 0.0275
00:01-01:00, Fri., 15 Jul. 0.0361 0.0273 0.0311
23:01-24:00, Thu., 14 Jul. 0.0356 0.0311 0.0332
22:01-23:00, Thu., 14 Jul. 0.0334 0.0269 0.0308
21:01-22:00, Thu., 14 Jul. 0.0299 0.0257 0.0280
20:01-21:00, Thu., 14 Jul. 0.0312 0.0269 0.0290
19:01-20:00, Thu., 14 Jul. 0.0291 0.0256 0.0275
18:01-19:00, Thu., 14 Jul. 0.0279 0.0236 0.0264
17:01-18:00, Thu., 14 Jul. 0.0282 0.0252 0.0266
16:01-17:00, Thu., 14 Jul. 0.0279 0.0241 0.0263
15:01-16:00, Thu., 14 Jul. 0.0290 0.0249 0.0270
14:01-15:00, Thu., 14 Jul. 0.0295 0.0254 0.0272
13:01-14:00, Thu., 14 Jul. 0.0280 0.0249 0.0263
12:01-13:00, Thu., 14 Jul. 0.0286 0.0237 0.0261
11:01-12:00, Thu., 14 Jul. 0.0278 0.0247 0.0261
10:01-11:00, Thu., 14 Jul. 0.0281 0.0240 0.0259
09:01-10:00, Thu., 14 Jul. 0.0273 0.0240 0.0258
08:01-09:00, Thu., 14 Jul. 0.0277 0.0242 0.0262
07:01-08:00, Thu., 14 Jul. 0.0289 0.0245 0.0271
06:01-07:00, Thu., 14 Jul. 0.0296 0.0262 0.0276
05:01-06:00, Thu., 14 Jul. 0.0299 0.0252 0.0272
04:01-05:00, Thu., 14 Jul. 0.0287 0.0242 0.0265
03:01-04:00, Thu., 14 Jul. 0.0281 0.0245 0.0263
02:01-03:00, Thu., 14 Jul. 0.0290 0.0240 0.0267
01:01-02:00, Thu., 14 Jul. 0.0280 0.0240 0.0260
00:01-01:00, Thu., 14 Jul. 0.0282 0.0247 0.0263
23:01-24:00, Wed., 13 Jul. 0.0278 0.0243 0.0261
22:01-23:00, Wed., 13 Jul. 0.0287 0.0246 0.0266
21:01-22:00, Wed., 13 Jul. 0.0286 0.0244 0.0265
20:01-21:00, Wed., 13 Jul. 0.0283 0.0244 0.0264
19:01-20:00, Wed., 13 Jul. 0.0277 0.0244 0.0261
18:01-19:00, Wed., 13 Jul. 0.0279 0.0243 0.0261
17:01-18:00, Wed., 13 Jul. 0.0291 0.0250 0.0266
16:01-17:00, Wed., 13 Jul. 0.0278 0.0238 0.0263
15:01-16:00, Wed., 13 Jul. 0.0290 0.0246 0.0267
14:01-15:00, Wed., 13 Jul. 0.0299 0.0256 0.0276
13:01-14:00, Wed., 13 Jul. 0.0314 0.0274 0.0296
12:01-13:00, Wed., 13 Jul. 0.0318 0.0276 0.0300
11:01-12:00, Wed., 13 Jul. 0.0331 0.0292 0.0310
10:01-11:00, Wed., 13 Jul. 0.0322 0.0269 0.0297
09:01-10:00, Wed., 13 Jul. 0.0320 0.0271 0.0294
08:01-09:00, Wed., 13 Jul. 0.0327 0.0289 0.0309
07:01-08:00, Wed., 13 Jul. 0.0332 0.0293 0.0309
06:01-07:00, Wed., 13 Jul. 0.0325 0.0287 0.0304
05:01-06:00, Wed., 13 Jul. 0.0342 0.0291 0.0310
04:01-05:00, Wed., 13 Jul. 0.0317 0.0269 0.0295
03:01-04:00, Wed., 13 Jul. 0.0311 0.0281 0.0296
02:01-03:00, Wed., 13 Jul. 0.0304 0.0267 0.0287
01:01-02:00, Wed., 13 Jul. 0.0337 0.0263 0.0296
00:01-01:00, Wed., 13 Jul. 0.0425 0.0316 0.0364
23:01-24:00, Tue., 12 Jul. 0.0451 0.0356 0.0401
22:01-23:00, Tue., 12 Jul. 0.0358 0.0280 0.0313
21:01-22:00, Tue., 12 Jul. 0.0310 0.0271 0.0292
20:01-21:00, Tue., 12 Jul. 0.0323 0.0264 0.0289
19:01-20:00, Tue., 12 Jul. 0.0298 0.0259 0.0280
18:01-19:00, Tue., 12 Jul. 0.0314 0.0257 0.0280
17:01-18:00, Tue., 12 Jul. 0.0293 0.0258 0.0277
16:01-17:00, Tue., 12 Jul. 0.0301 0.0259 0.0280
15:01-16:00, Tue., 12 Jul. 0.0307 0.0267 0.0283
14:01-15:00, Tue., 12 Jul. 0.0313 0.0272 0.0290
13:01-14:00, Tue., 12 Jul. 0.0310 0.0275 0.0295
12:01-13:00, Tue., 12 Jul. 0.0325 0.0282 0.0303
11:01-12:00, Tue., 12 Jul. 0.0329 0.0282 0.0303
10:01-11:00, Tue., 12 Jul. 0.0302 0.0263 0.0285
09:01-10:00, Tue., 12 Jul. 0.0304 0.0271 0.0284
08:01-09:00, Tue., 12 Jul. 0.0299 0.0262 0.0284
07:01-08:00, Tue., 12 Jul. 0.0302 0.0258 0.0283
06:01-07:00, Tue., 12 Jul. 0.0302 0.0264 0.0282
05:01-06:00, Tue., 12 Jul. 0.0302 0.0264 0.0281
04:01-05:00, Tue., 12 Jul. 0.0301 0.0266 0.0285
03:01-04:00, Tue., 12 Jul. 0.0299 0.0262 0.0282
02:01-03:00, Tue., 12 Jul. 0.0306 0.0260 0.0280
01:01-02:00, Tue., 12 Jul. 0.0301 0.0267 0.0281
00:01-01:00, Tue., 12 Jul. 0.0299 0.0261 0.0282
23:01-24:00, Mon., 11 Jul. 0.0306 0.0261 0.0282
22:01-23:00, Mon., 11 Jul. 0.0305 0.0263 0.0280
21:01-22:00, Mon., 11 Jul. 0.0301 0.0265 0.0281
20:01-21:00, Mon., 11 Jul. 0.0300 0.0267 0.0281
19:01-20:00, Mon., 11 Jul. 0.0304 0.0263 0.0281
18:01-19:00, Mon., 11 Jul. 0.0305 0.0266 0.0283
17:01-18:00, Mon., 11 Jul. 0.0308 0.0261 0.0283
16:01-17:00, Mon., 11 Jul. 0.0301 0.0260 0.0282
15:01-16:00, Mon., 11 Jul. 0.0301 0.0262 0.0281
14:01-15:00, Mon., 11 Jul. 0.0304 0.0261 0.0283
13:01-14:00, Mon., 11 Jul. 0.0296 0.0263 0.0282
12:01-13:00, Mon., 11 Jul. 0.0301 0.0266 0.0283
11:01-12:00, Mon., 11 Jul. 0.0307 0.0265 0.0286
10:01-11:00, Mon., 11 Jul. 0.0300 0.0267 0.0281
09:01-10:00, Mon., 11 Jul. 0.0303 0.0265 0.0286
08:01-09:00, Mon., 11 Jul. 0.0296 0.0266 0.0279
07:01-08:00, Mon., 11 Jul. 0.0298 0.0260 0.0280
06:01-07:00, Mon., 11 Jul. 0.0297 0.0266 0.0283
05:01-06:00, Mon., 11 Jul. 0.0303 0.0257 0.0281
04:01-05:00, Mon., 11 Jul. 0.0305 0.0263 0.0284
03:01-04:00, Mon., 11 Jul. 0.0300 0.0268 0.0282
02:01-03:00, Mon., 11 Jul. 0.0297 0.0256 0.0280
01:01-02:00, Mon., 11 Jul. 0.0301 0.0262 0.0281
00:01-01:00, Mon., 11 Jul. 0.0304 0.0264 0.0283