Measurement results by the hour (Chofu) 5 Jun., 2023 - 11 Jun., 2023

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., 11 Jun. 0.0307 0.0260 0.0275
22:01-23:00, Sun., 11 Jun. 0.0301 0.0249 0.0271
21:01-22:00, Sun., 11 Jun. 0.0296 0.0255 0.0273
20:01-21:00, Sun., 11 Jun. 0.0301 0.0254 0.0277
19:01-20:00, Sun., 11 Jun. 0.0305 0.0258 0.0281
18:01-19:00, Sun., 11 Jun. 0.0294 0.0253 0.0273
17:01-18:00, Sun., 11 Jun. 0.0283 0.0235 0.0266
16:01-17:00, Sun., 11 Jun. 0.0286 0.0237 0.0267
15:01-16:00, Sun., 11 Jun. 0.0305 0.0252 0.0271
14:01-15:00, Sun., 11 Jun. 0.0294 0.0256 0.0272
13:01-14:00, Sun., 11 Jun. 0.0287 0.0246 0.0267
12:01-13:00, Sun., 11 Jun. 0.0287 0.0239 0.0267
11:01-12:00, Sun., 11 Jun. 0.0292 0.0248 0.0272
10:01-11:00, Sun., 11 Jun. 0.0301 0.0250 0.0275
09:01-10:00, Sun., 11 Jun. 0.0301 0.0261 0.0281
08:01-09:00, Sun., 11 Jun. 0.0321 0.0268 0.0293
07:01-08:00, Sun., 11 Jun. 0.0343 0.0279 0.0303
06:01-07:00, Sun., 11 Jun. 0.0329 0.0275 0.0305
05:01-06:00, Sun., 11 Jun. 0.0324 0.0281 0.0300
04:01-05:00, Sun., 11 Jun. 0.0310 0.0258 0.0285
03:01-04:00, Sun., 11 Jun. 0.0306 0.0254 0.0274
02:01-03:00, Sun., 11 Jun. 0.0284 0.0252 0.0268
01:01-02:00, Sun., 11 Jun. 0.0287 0.0242 0.0269
00:01-01:00, Sun., 11 Jun. 0.0294 0.0248 0.0269
23:01-24:00, Sat., 10 Jun. 0.0293 0.0249 0.0272
22:01-23:00, Sat., 10 Jun. 0.0301 0.0251 0.0270
21:01-22:00, Sat., 10 Jun. 0.0284 0.0252 0.0270
20:01-21:00, Sat., 10 Jun. 0.0290 0.0251 0.0269
19:01-20:00, Sat., 10 Jun. 0.0282 0.0247 0.0266
18:01-19:00, Sat., 10 Jun. 0.0294 0.0247 0.0267
17:01-18:00, Sat., 10 Jun. 0.0298 0.0255 0.0272
16:01-17:00, Sat., 10 Jun. 0.0298 0.0249 0.0271
15:01-16:00, Sat., 10 Jun. 0.0304 0.0250 0.0273
14:01-15:00, Sat., 10 Jun. 0.0293 0.0256 0.0272
13:01-14:00, Sat., 10 Jun. 0.0294 0.0252 0.0270
12:01-13:00, Sat., 10 Jun. 0.0290 0.0246 0.0271
11:01-12:00, Sat., 10 Jun. 0.0295 0.0245 0.0272
10:01-11:00, Sat., 10 Jun. 0.0286 0.0244 0.0267
09:01-10:00, Sat., 10 Jun. 0.0285 0.0249 0.0268
08:01-09:00, Sat., 10 Jun. 0.0299 0.0251 0.0272
07:01-08:00, Sat., 10 Jun. 0.0287 0.0249 0.0269
06:01-07:00, Sat., 10 Jun. 0.0291 0.0243 0.0269
05:01-06:00, Sat., 10 Jun. 0.0291 0.0249 0.0269
04:01-05:00, Sat., 10 Jun. 0.0289 0.0249 0.0268
03:01-04:00, Sat., 10 Jun. 0.0292 0.0250 0.0269
02:01-03:00, Sat., 10 Jun. 0.0293 0.0252 0.0270
01:01-02:00, Sat., 10 Jun. 0.0291 0.0249 0.0273
00:01-01:00, Sat., 10 Jun. 0.0288 0.0253 0.0271
23:01-24:00, Fri., 09 Jun. 0.0289 0.0254 0.0269
22:01-23:00, Fri., 09 Jun. 0.0290 0.0244 0.0270
21:01-22:00, Fri., 09 Jun. 0.0293 0.0249 0.0270
20:01-21:00, Fri., 09 Jun. 0.0281 0.0251 0.0268
19:01-20:00, Fri., 09 Jun. 0.0298 0.0252 0.0270
18:01-19:00, Fri., 09 Jun. 0.0297 0.0251 0.0269
17:01-18:00, Fri., 09 Jun. 0.0286 0.0249 0.0271
16:01-17:00, Fri., 09 Jun. 0.0291 0.0252 0.0270
15:01-16:00, Fri., 09 Jun. 0.0290 0.0249 0.0269
14:01-15:00, Fri., 09 Jun. 0.0296 0.0252 0.0274
13:01-14:00, Fri., 09 Jun. 0.0291 0.0249 0.0269
12:01-13:00, Fri., 09 Jun. 0.0292 0.0253 0.0274
11:01-12:00, Fri., 09 Jun. 0.0301 0.0263 0.0281
10:01-11:00, Fri., 09 Jun. 0.0318 0.0256 0.0282
09:01-10:00, Fri., 09 Jun. 0.0328 0.0280 0.0303
08:01-09:00, Fri., 09 Jun. 0.0387 0.0304 0.0337
07:01-08:00, Fri., 09 Jun. 0.0429 0.0360 0.0390
06:01-07:00, Fri., 09 Jun. 0.0447 0.0392 0.0416
05:01-06:00, Fri., 09 Jun. 0.0457 0.0393 0.0426
04:01-05:00, Fri., 09 Jun. 0.0459 0.0408 0.0433
03:01-04:00, Fri., 09 Jun. 0.0431 0.0358 0.0392
02:01-03:00, Fri., 09 Jun. 0.0391 0.0337 0.0359
01:01-02:00, Fri., 09 Jun. 0.0370 0.0302 0.0342
00:01-01:00, Fri., 09 Jun. 0.0358 0.0300 0.0323
23:01-24:00, Thu., 08 Jun. 0.0395 0.0343 0.0366
22:01-23:00, Thu., 08 Jun. 0.0398 0.0353 0.0373
21:01-22:00, Thu., 08 Jun. 0.0371 0.0290 0.0323
20:01-21:00, Thu., 08 Jun. 0.0322 0.0288 0.0306
19:01-20:00, Thu., 08 Jun. 0.0322 0.0263 0.0289
18:01-19:00, Thu., 08 Jun. 0.0304 0.0255 0.0278
17:01-18:00, Thu., 08 Jun. 0.0301 0.0258 0.0279
16:01-17:00, Thu., 08 Jun. 0.0294 0.0253 0.0275
15:01-16:00, Thu., 08 Jun. 0.0287 0.0256 0.0274
14:01-15:00, Thu., 08 Jun. 0.0297 0.0256 0.0277
13:01-14:00, Thu., 08 Jun. 0.0300 0.0258 0.0279
12:01-13:00, Thu., 08 Jun. 0.0298 0.0259 0.0280
11:01-12:00, Thu., 08 Jun. 0.0299 0.0262 0.0277
10:01-11:00, Thu., 08 Jun. 0.0297 0.0255 0.0275
09:01-10:00, Thu., 08 Jun. 0.0297 0.0260 0.0276
08:01-09:00, Thu., 08 Jun. 0.0294 0.0257 0.0279
07:01-08:00, Thu., 08 Jun. 0.0314 0.0259 0.0281
06:01-07:00, Thu., 08 Jun. 0.0308 0.0256 0.0281
05:01-06:00, Thu., 08 Jun. 0.0301 0.0262 0.0280
04:01-05:00, Thu., 08 Jun. 0.0300 0.0256 0.0278
03:01-04:00, Thu., 08 Jun. 0.0299 0.0255 0.0278
02:01-03:00, Thu., 08 Jun. 0.0293 0.0255 0.0276
01:01-02:00, Thu., 08 Jun. 0.0293 0.0258 0.0276
00:01-01:00, Thu., 08 Jun. 0.0297 0.0249 0.0273
23:01-24:00, Wed., 07 Jun. 0.0296 0.0252 0.0277
22:01-23:00, Wed., 07 Jun. 0.0308 0.0245 0.0275
21:01-22:00, Wed., 07 Jun. 0.0297 0.0257 0.0276
20:01-21:00, Wed., 07 Jun. 0.0293 0.0256 0.0274
19:01-20:00, Wed., 07 Jun. 0.0294 0.0257 0.0275
18:01-19:00, Wed., 07 Jun. 0.0290 0.0252 0.0273
17:01-18:00, Wed., 07 Jun. 0.0293 0.0256 0.0274
16:01-17:00, Wed., 07 Jun. 0.0297 0.0256 0.0277
15:01-16:00, Wed., 07 Jun. 0.0298 0.0257 0.0277
14:01-15:00, Wed., 07 Jun. 0.0300 0.0251 0.0276
13:01-14:00, Wed., 07 Jun. 0.0297 0.0259 0.0278
12:01-13:00, Wed., 07 Jun. 0.0297 0.0252 0.0275
11:01-12:00, Wed., 07 Jun. 0.0294 0.0256 0.0276
10:01-11:00, Wed., 07 Jun. 0.0298 0.0247 0.0272
09:01-10:00, Wed., 07 Jun. 0.0308 0.0266 0.0283
08:01-09:00, Wed., 07 Jun. 0.0304 0.0261 0.0284
07:01-08:00, Wed., 07 Jun. 0.0303 0.0267 0.0287
06:01-07:00, Wed., 07 Jun. 0.0340 0.0284 0.0310
05:01-06:00, Wed., 07 Jun. 0.0350 0.0308 0.0327
04:01-05:00, Wed., 07 Jun. 0.0408 0.0317 0.0361
03:01-04:00, Wed., 07 Jun. 0.0407 0.0327 0.0364
02:01-03:00, Wed., 07 Jun. 0.0368 0.0311 0.0347
01:01-02:00, Wed., 07 Jun. 0.0357 0.0283 0.0311
00:01-01:00, Wed., 07 Jun. 0.0377 0.0290 0.0328
23:01-24:00, Tue., 06 Jun. 0.0439 0.0348 0.0389
22:01-23:00, Tue., 06 Jun. 0.0443 0.0343 0.0403
21:01-22:00, Tue., 06 Jun. 0.0361 0.0287 0.0320
20:01-21:00, Tue., 06 Jun. 0.0381 0.0304 0.0337
19:01-20:00, Tue., 06 Jun. 0.0409 0.0342 0.0368
18:01-19:00, Tue., 06 Jun. 0.0406 0.0349 0.0377
17:01-18:00, Tue., 06 Jun. 0.0378 0.0293 0.0340
16:01-17:00, Tue., 06 Jun. 0.0322 0.0271 0.0288
15:01-16:00, Tue., 06 Jun. 0.0308 0.0269 0.0286
14:01-15:00, Tue., 06 Jun. 0.0310 0.0268 0.0285
13:01-14:00, Tue., 06 Jun. 0.0317 0.0266 0.0286
12:01-13:00, Tue., 06 Jun. 0.0310 0.0268 0.0288
11:01-12:00, Tue., 06 Jun. 0.0315 0.0271 0.0289
10:01-11:00, Tue., 06 Jun. 0.0308 0.0272 0.0291
09:01-10:00, Tue., 06 Jun. 0.0309 0.0272 0.0292
08:01-09:00, Tue., 06 Jun. 0.0314 0.0275 0.0294
07:01-08:00, Tue., 06 Jun. 0.0314 0.0273 0.0294
06:01-07:00, Tue., 06 Jun. 0.0335 0.0270 0.0296
05:01-06:00, Tue., 06 Jun. 0.0333 0.0276 0.0297
04:01-05:00, Tue., 06 Jun. 0.0322 0.0282 0.0297
03:01-04:00, Tue., 06 Jun. 0.0314 0.0277 0.0297
02:01-03:00, Tue., 06 Jun. 0.0312 0.0270 0.0294
01:01-02:00, Tue., 06 Jun. 0.0308 0.0263 0.0285
00:01-01:00, Tue., 06 Jun. 0.0308 0.0266 0.0285
23:01-24:00, Mon., 05 Jun. 0.0309 0.0264 0.0287
22:01-23:00, Mon., 05 Jun. 0.0310 0.0262 0.0284
21:01-22:00, Mon., 05 Jun. 0.0306 0.0257 0.0282
20:01-21:00, Mon., 05 Jun. 0.0306 0.0262 0.0283
19:01-20:00, Mon., 05 Jun. 0.0301 0.0257 0.0280
18:01-19:00, Mon., 05 Jun. 0.0304 0.0256 0.0280
17:01-18:00, Mon., 05 Jun. 0.0305 0.0257 0.0281
16:01-17:00, Mon., 05 Jun. 0.0296 0.0263 0.0280
15:01-16:00, Mon., 05 Jun. 0.0304 0.0262 0.0280
14:01-15:00, Mon., 05 Jun. 0.0296 0.0249 0.0278
13:01-14:00, Mon., 05 Jun. 0.0299 0.0257 0.0278
12:01-13:00, Mon., 05 Jun. 0.0302 0.0252 0.0280
11:01-12:00, Mon., 05 Jun. 0.0304 0.0263 0.0279
10:01-11:00, Mon., 05 Jun. 0.0299 0.0261 0.0278
09:01-10:00, Mon., 05 Jun. 0.0305 0.0259 0.0283
08:01-09:00, Mon., 05 Jun. 0.0310 0.0261 0.0288
07:01-08:00, Mon., 05 Jun. 0.0316 0.0270 0.0294
06:01-07:00, Mon., 05 Jun. 0.0315 0.0273 0.0296
05:01-06:00, Mon., 05 Jun. 0.0315 0.0274 0.0296
04:01-05:00, Mon., 05 Jun. 0.0310 0.0274 0.0293
03:01-04:00, Mon., 05 Jun. 0.0315 0.0267 0.0290
02:01-03:00, Mon., 05 Jun. 0.0305 0.0261 0.0289
01:01-02:00, Mon., 05 Jun. 0.0304 0.0251 0.0282
00:01-01:00, Mon., 05 Jun. 0.0312 0.0257 0.0281