Measurement results by the hour (Chofu) 15 May., 2023 - 21 May., 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., 21 May. 0.0293 0.0255 0.0278
22:01-23:00, Sun., 21 May. 0.0299 0.0256 0.0277
21:01-22:00, Sun., 21 May. 0.0296 0.0259 0.0277
20:01-21:00, Sun., 21 May. 0.0301 0.0249 0.0275
19:01-20:00, Sun., 21 May. 0.0300 0.0259 0.0277
18:01-19:00, Sun., 21 May. 0.0294 0.0253 0.0273
17:01-18:00, Sun., 21 May. 0.0299 0.0251 0.0276
16:01-17:00, Sun., 21 May. 0.0298 0.0262 0.0276
15:01-16:00, Sun., 21 May. 0.0297 0.0254 0.0273
14:01-15:00, Sun., 21 May. 0.0301 0.0258 0.0277
13:01-14:00, Sun., 21 May. 0.0298 0.0259 0.0278
12:01-13:00, Sun., 21 May. 0.0290 0.0253 0.0272
11:01-12:00, Sun., 21 May. 0.0297 0.0252 0.0275
10:01-11:00, Sun., 21 May. 0.0295 0.0249 0.0272
09:01-10:00, Sun., 21 May. 0.0301 0.0248 0.0276
08:01-09:00, Sun., 21 May. 0.0297 0.0253 0.0278
07:01-08:00, Sun., 21 May. 0.0294 0.0261 0.0277
06:01-07:00, Sun., 21 May. 0.0303 0.0260 0.0279
05:01-06:00, Sun., 21 May. 0.0291 0.0256 0.0276
04:01-05:00, Sun., 21 May. 0.0302 0.0249 0.0276
03:01-04:00, Sun., 21 May. 0.0295 0.0256 0.0275
02:01-03:00, Sun., 21 May. 0.0299 0.0257 0.0275
01:01-02:00, Sun., 21 May. 0.0294 0.0256 0.0273
00:01-01:00, Sun., 21 May. 0.0303 0.0252 0.0275
23:01-24:00, Sat., 20 May. 0.0296 0.0254 0.0274
22:01-23:00, Sat., 20 May. 0.0292 0.0250 0.0271
21:01-22:00, Sat., 20 May. 0.0295 0.0252 0.0273
20:01-21:00, Sat., 20 May. 0.0294 0.0256 0.0273
19:01-20:00, Sat., 20 May. 0.0300 0.0255 0.0275
18:01-19:00, Sat., 20 May. 0.0301 0.0252 0.0274
17:01-18:00, Sat., 20 May. 0.0297 0.0250 0.0275
16:01-17:00, Sat., 20 May. 0.0304 0.0252 0.0275
15:01-16:00, Sat., 20 May. 0.0291 0.0242 0.0271
14:01-15:00, Sat., 20 May. 0.0297 0.0259 0.0276
13:01-14:00, Sat., 20 May. 0.0295 0.0247 0.0278
12:01-13:00, Sat., 20 May. 0.0298 0.0257 0.0280
11:01-12:00, Sat., 20 May. 0.0309 0.0261 0.0286
10:01-11:00, Sat., 20 May. 0.0326 0.0272 0.0296
09:01-10:00, Sat., 20 May. 0.0308 0.0269 0.0287
08:01-09:00, Sat., 20 May. 0.0302 0.0264 0.0283
07:01-08:00, Sat., 20 May. 0.0311 0.0265 0.0290
06:01-07:00, Sat., 20 May. 0.0339 0.0280 0.0308
05:01-06:00, Sat., 20 May. 0.0343 0.0276 0.0305
04:01-05:00, Sat., 20 May. 0.0301 0.0249 0.0277
03:01-04:00, Sat., 20 May. 0.0311 0.0262 0.0285
02:01-03:00, Sat., 20 May. 0.0311 0.0281 0.0293
01:01-02:00, Sat., 20 May. 0.0312 0.0282 0.0296
00:01-01:00, Sat., 20 May. 0.0325 0.0275 0.0298
23:01-24:00, Fri., 19 May. 0.0311 0.0272 0.0292
22:01-23:00, Fri., 19 May. 0.0304 0.0257 0.0283
21:01-22:00, Fri., 19 May. 0.0298 0.0258 0.0274
20:01-21:00, Fri., 19 May. 0.0294 0.0260 0.0278
19:01-20:00, Fri., 19 May. 0.0322 0.0274 0.0292
18:01-19:00, Fri., 19 May. 0.0322 0.0276 0.0303
17:01-18:00, Fri., 19 May. 0.0351 0.0292 0.0322
16:01-17:00, Fri., 19 May. 0.0381 0.0336 0.0359
15:01-16:00, Fri., 19 May. 0.0381 0.0320 0.0347
14:01-15:00, Fri., 19 May. 0.0346 0.0297 0.0320
13:01-14:00, Fri., 19 May. 0.0347 0.0284 0.0320
12:01-13:00, Fri., 19 May. 0.0370 0.0311 0.0342
11:01-12:00, Fri., 19 May. 0.0322 0.0256 0.0287
10:01-11:00, Fri., 19 May. 0.0301 0.0252 0.0277
09:01-10:00, Fri., 19 May. 0.0303 0.0256 0.0282
08:01-09:00, Fri., 19 May. 0.0294 0.0256 0.0279
07:01-08:00, Fri., 19 May. 0.0307 0.0250 0.0278
06:01-07:00, Fri., 19 May. 0.0308 0.0255 0.0278
05:01-06:00, Fri., 19 May. 0.0304 0.0258 0.0280
04:01-05:00, Fri., 19 May. 0.0299 0.0259 0.0278
03:01-04:00, Fri., 19 May. 0.0298 0.0266 0.0279
02:01-03:00, Fri., 19 May. 0.0294 0.0263 0.0280
01:01-02:00, Fri., 19 May. 0.0298 0.0261 0.0281
00:01-01:00, Fri., 19 May. 0.0304 0.0262 0.0280
23:01-24:00, Thu., 18 May. 0.0298 0.0259 0.0280
22:01-23:00, Thu., 18 May. 0.0298 0.0256 0.0279
21:01-22:00, Thu., 18 May. 0.0297 0.0258 0.0279
20:01-21:00, Thu., 18 May. 0.0297 0.0266 0.0281
19:01-20:00, Thu., 18 May. 0.0304 0.0262 0.0283
18:01-19:00, Thu., 18 May. 0.0304 0.0266 0.0284
17:01-18:00, Thu., 18 May. 0.0301 0.0269 0.0287
16:01-17:00, Thu., 18 May. 0.0320 0.0262 0.0288
15:01-16:00, Thu., 18 May. 0.0304 0.0266 0.0286
14:01-15:00, Thu., 18 May. 0.0304 0.0262 0.0286
13:01-14:00, Thu., 18 May. 0.0310 0.0273 0.0290
12:01-13:00, Thu., 18 May. 0.0308 0.0270 0.0289
11:01-12:00, Thu., 18 May. 0.0307 0.0259 0.0286
10:01-11:00, Thu., 18 May. 0.0306 0.0266 0.0287
09:01-10:00, Thu., 18 May. 0.0320 0.0276 0.0294
08:01-09:00, Thu., 18 May. 0.0336 0.0285 0.0306
07:01-08:00, Thu., 18 May. 0.0337 0.0292 0.0314
06:01-07:00, Thu., 18 May. 0.0336 0.0286 0.0316
05:01-06:00, Thu., 18 May. 0.0352 0.0294 0.0314
04:01-05:00, Thu., 18 May. 0.0326 0.0286 0.0306
03:01-04:00, Thu., 18 May. 0.0327 0.0283 0.0305
02:01-03:00, Thu., 18 May. 0.0330 0.0284 0.0300
01:01-02:00, Thu., 18 May. 0.0326 0.0279 0.0300
00:01-01:00, Thu., 18 May. 0.0322 0.0278 0.0298
23:01-24:00, Wed., 17 May. 0.0314 0.0270 0.0295
22:01-23:00, Wed., 17 May. 0.0305 0.0255 0.0286
21:01-22:00, Wed., 17 May. 0.0306 0.0268 0.0286
20:01-21:00, Wed., 17 May. 0.0303 0.0267 0.0284
19:01-20:00, Wed., 17 May. 0.0310 0.0266 0.0285
18:01-19:00, Wed., 17 May. 0.0305 0.0262 0.0286
17:01-18:00, Wed., 17 May. 0.0307 0.0259 0.0286
16:01-17:00, Wed., 17 May. 0.0308 0.0261 0.0287
15:01-16:00, Wed., 17 May. 0.0298 0.0264 0.0282
14:01-15:00, Wed., 17 May. 0.0311 0.0262 0.0283
13:01-14:00, Wed., 17 May. 0.0298 0.0264 0.0282
12:01-13:00, Wed., 17 May. 0.0301 0.0262 0.0281
11:01-12:00, Wed., 17 May. 0.0307 0.0258 0.0282
10:01-11:00, Wed., 17 May. 0.0305 0.0257 0.0281
09:01-10:00, Wed., 17 May. 0.0306 0.0260 0.0281
08:01-09:00, Wed., 17 May. 0.0298 0.0266 0.0283
07:01-08:00, Wed., 17 May. 0.0309 0.0266 0.0286
06:01-07:00, Wed., 17 May. 0.0311 0.0264 0.0287
05:01-06:00, Wed., 17 May. 0.0310 0.0260 0.0286
04:01-05:00, Wed., 17 May. 0.0303 0.0268 0.0282
03:01-04:00, Wed., 17 May. 0.0308 0.0262 0.0280
02:01-03:00, Wed., 17 May. 0.0302 0.0257 0.0280
01:01-02:00, Wed., 17 May. 0.0306 0.0256 0.0278
00:01-01:00, Wed., 17 May. 0.0301 0.0256 0.0280
23:01-24:00, Tue., 16 May. 0.0296 0.0252 0.0278
22:01-23:00, Tue., 16 May. 0.0298 0.0253 0.0275
21:01-22:00, Tue., 16 May. 0.0294 0.0249 0.0274
20:01-21:00, Tue., 16 May. 0.0300 0.0252 0.0273
19:01-20:00, Tue., 16 May. 0.0293 0.0242 0.0272
18:01-19:00, Tue., 16 May. 0.0303 0.0259 0.0275
17:01-18:00, Tue., 16 May. 0.0294 0.0257 0.0276
16:01-17:00, Tue., 16 May. 0.0298 0.0252 0.0275
15:01-16:00, Tue., 16 May. 0.0294 0.0252 0.0273
14:01-15:00, Tue., 16 May. 0.0302 0.0252 0.0276
13:01-14:00, Tue., 16 May. 0.0297 0.0261 0.0276
12:01-13:00, Tue., 16 May. 0.0295 0.0253 0.0276
11:01-12:00, Tue., 16 May. 0.0292 0.0250 0.0274
10:01-11:00, Tue., 16 May. 0.0301 0.0256 0.0276
09:01-10:00, Tue., 16 May. 0.0298 0.0262 0.0279
08:01-09:00, Tue., 16 May. 0.0302 0.0260 0.0279
07:01-08:00, Tue., 16 May. 0.0300 0.0259 0.0279
06:01-07:00, Tue., 16 May. 0.0303 0.0262 0.0279
05:01-06:00, Tue., 16 May. 0.0288 0.0247 0.0274
04:01-05:00, Tue., 16 May. 0.0298 0.0256 0.0275
03:01-04:00, Tue., 16 May. 0.0297 0.0258 0.0277
02:01-03:00, Tue., 16 May. 0.0290 0.0256 0.0277
01:01-02:00, Tue., 16 May. 0.0303 0.0255 0.0271
00:01-01:00, Tue., 16 May. 0.0289 0.0251 0.0273
23:01-24:00, Mon., 15 May. 0.0293 0.0248 0.0269
22:01-23:00, Mon., 15 May. 0.0294 0.0245 0.0268
21:01-22:00, Mon., 15 May. 0.0287 0.0246 0.0270
20:01-21:00, Mon., 15 May. 0.0292 0.0252 0.0270
19:01-20:00, Mon., 15 May. 0.0294 0.0254 0.0274
18:01-19:00, Mon., 15 May. 0.0296 0.0252 0.0274
17:01-18:00, Mon., 15 May. 0.0308 0.0259 0.0277
16:01-17:00, Mon., 15 May. 0.0306 0.0256 0.0278
15:01-16:00, Mon., 15 May. 0.0297 0.0251 0.0275
14:01-15:00, Mon., 15 May. 0.0298 0.0251 0.0274
13:01-14:00, Mon., 15 May. 0.0304 0.0260 0.0280
12:01-13:00, Mon., 15 May. 0.0303 0.0256 0.0280
11:01-12:00, Mon., 15 May. 0.0304 0.0253 0.0285
10:01-11:00, Mon., 15 May. 0.0312 0.0267 0.0287
09:01-10:00, Mon., 15 May. 0.0313 0.0278 0.0295
08:01-09:00, Mon., 15 May. 0.0344 0.0290 0.0307
07:01-08:00, Mon., 15 May. 0.0330 0.0290 0.0310
06:01-07:00, Mon., 15 May. 0.0329 0.0287 0.0307
05:01-06:00, Mon., 15 May. 0.0359 0.0294 0.0324
04:01-05:00, Mon., 15 May. 0.0352 0.0284 0.0321
03:01-04:00, Mon., 15 May. 0.0316 0.0273 0.0295
02:01-03:00, Mon., 15 May. 0.0300 0.0261 0.0278
01:01-02:00, Mon., 15 May. 0.0290 0.0246 0.0271
00:01-01:00, Mon., 15 May. 0.0295 0.0251 0.0274