Measurement results by the hour (Chofu) 8 Mar., 2021 - 14 Mar., 2021

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., 14 Mar. 0.0296 0.0250 0.0271
22:01-23:00, Sun., 14 Mar. 0.0286 0.0253 0.0271
21:01-22:00, Sun., 14 Mar. 0.0297 0.0250 0.0270
20:01-21:00, Sun., 14 Mar. 0.0293 0.0255 0.0270
19:01-20:00, Sun., 14 Mar. 0.0287 0.0252 0.0267
18:01-19:00, Sun., 14 Mar. 0.0291 0.0249 0.0269
17:01-18:00, Sun., 14 Mar. 0.0299 0.0252 0.0269
16:01-17:00, Sun., 14 Mar. 0.0287 0.0254 0.0267
15:01-16:00, Sun., 14 Mar. 0.0283 0.0241 0.0266
14:01-15:00, Sun., 14 Mar. 0.0288 0.0245 0.0266
13:01-14:00, Sun., 14 Mar. 0.0282 0.0250 0.0268
12:01-13:00, Sun., 14 Mar. 0.0283 0.0252 0.0267
11:01-12:00, Sun., 14 Mar. 0.0286 0.0252 0.0268
10:01-11:00, Sun., 14 Mar. 0.0293 0.0243 0.0267
09:01-10:00, Sun., 14 Mar. 0.0285 0.0251 0.0271
08:01-09:00, Sun., 14 Mar. 0.0296 0.0253 0.0271
07:01-08:00, Sun., 14 Mar. 0.0289 0.0254 0.0271
06:01-07:00, Sun., 14 Mar. 0.0300 0.0247 0.0276
05:01-06:00, Sun., 14 Mar. 0.0289 0.0254 0.0271
04:01-05:00, Sun., 14 Mar. 0.0308 0.0255 0.0282
03:01-04:00, Sun., 14 Mar. 0.0308 0.0269 0.0287
02:01-03:00, Sun., 14 Mar. 0.0302 0.0264 0.0282
01:01-02:00, Sun., 14 Mar. 0.0307 0.0264 0.0278
00:01-01:00, Sun., 14 Mar. 0.0296 0.0261 0.0276
23:01-24:00, Sat., 13 Mar. 0.0289 0.0252 0.0273
22:01-23:00, Sat., 13 Mar. 0.0287 0.0256 0.0271
21:01-22:00, Sat., 13 Mar. 0.0297 0.0249 0.0273
20:01-21:00, Sat., 13 Mar. 0.0291 0.0257 0.0275
19:01-20:00, Sat., 13 Mar. 0.0331 0.0278 0.0299
18:01-19:00, Sat., 13 Mar. 0.0420 0.0311 0.0362
17:01-18:00, Sat., 13 Mar. 0.0510 0.0401 0.0460
16:01-17:00, Sat., 13 Mar. 0.0525 0.0442 0.0489
15:01-16:00, Sat., 13 Mar. 0.0543 0.0456 0.0487
14:01-15:00, Sat., 13 Mar. 0.0539 0.0460 0.0489
13:01-14:00, Sat., 13 Mar. 0.0494 0.0409 0.0451
12:01-13:00, Sat., 13 Mar. 0.0477 0.0322 0.0397
11:01-12:00, Sat., 13 Mar. 0.0341 0.0281 0.0316
10:01-11:00, Sat., 13 Mar. 0.0395 0.0316 0.0340
09:01-10:00, Sat., 13 Mar. 0.0446 0.0365 0.0403
08:01-09:00, Sat., 13 Mar. 0.0482 0.0413 0.0446
07:01-08:00, Sat., 13 Mar. 0.0469 0.0398 0.0435
06:01-07:00, Sat., 13 Mar. 0.0453 0.0374 0.0422
05:01-06:00, Sat., 13 Mar. 0.0450 0.0364 0.0406
04:01-05:00, Sat., 13 Mar. 0.0417 0.0335 0.0365
03:01-04:00, Sat., 13 Mar. 0.0361 0.0281 0.0322
02:01-03:00, Sat., 13 Mar. 0.0326 0.0282 0.0301
01:01-02:00, Sat., 13 Mar. 0.0323 0.0283 0.0304
00:01-01:00, Sat., 13 Mar. 0.0315 0.0271 0.0291
23:01-24:00, Fri., 12 Mar. 0.0310 0.0265 0.0287
22:01-23:00, Fri., 12 Mar. 0.0293 0.0250 0.0273
21:01-22:00, Fri., 12 Mar. 0.0296 0.0256 0.0275
20:01-21:00, Fri., 12 Mar. 0.0291 0.0263 0.0275
19:01-20:00, Fri., 12 Mar. 0.0296 0.0264 0.0280
18:01-19:00, Fri., 12 Mar. 0.0303 0.0261 0.0280
17:01-18:00, Fri., 12 Mar. 0.0301 0.0258 0.0279
16:01-17:00, Fri., 12 Mar. 0.0298 0.0261 0.0280
15:01-16:00, Fri., 12 Mar. 0.0294 0.0261 0.0279
14:01-15:00, Fri., 12 Mar. 0.0303 0.0259 0.0280
13:01-14:00, Fri., 12 Mar. 0.0295 0.0261 0.0280
12:01-13:00, Fri., 12 Mar. 0.0303 0.0264 0.0284
11:01-12:00, Fri., 12 Mar. 0.0309 0.0268 0.0284
10:01-11:00, Fri., 12 Mar. 0.0313 0.0273 0.0289
09:01-10:00, Fri., 12 Mar. 0.0313 0.0269 0.0292
08:01-09:00, Fri., 12 Mar. 0.0317 0.0269 0.0295
07:01-08:00, Fri., 12 Mar. 0.0324 0.0282 0.0298
06:01-07:00, Fri., 12 Mar. 0.0314 0.0275 0.0293
05:01-06:00, Fri., 12 Mar. 0.0319 0.0274 0.0297
04:01-05:00, Fri., 12 Mar. 0.0317 0.0281 0.0297
03:01-04:00, Fri., 12 Mar. 0.0313 0.0271 0.0293
02:01-03:00, Fri., 12 Mar. 0.0314 0.0275 0.0292
01:01-02:00, Fri., 12 Mar. 0.0313 0.0261 0.0291
00:01-01:00, Fri., 12 Mar. 0.0308 0.0267 0.0289
23:01-24:00, Thu., 11 Mar. 0.0307 0.0254 0.0286
22:01-23:00, Thu., 11 Mar. 0.0316 0.0261 0.0282
21:01-22:00, Thu., 11 Mar. 0.0293 0.0261 0.0278
20:01-21:00, Thu., 11 Mar. 0.0296 0.0252 0.0277
19:01-20:00, Thu., 11 Mar. 0.0293 0.0253 0.0274
18:01-19:00, Thu., 11 Mar. 0.0294 0.0249 0.0274
17:01-18:00, Thu., 11 Mar. 0.0296 0.0255 0.0275
16:01-17:00, Thu., 11 Mar. 0.0294 0.0260 0.0278
15:01-16:00, Thu., 11 Mar. 0.0294 0.0259 0.0278
14:01-15:00, Thu., 11 Mar. 0.0301 0.0256 0.0278
13:01-14:00, Thu., 11 Mar. 0.0294 0.0264 0.0279
12:01-13:00, Thu., 11 Mar. 0.0304 0.0258 0.0278
11:01-12:00, Thu., 11 Mar. 0.0303 0.0258 0.0282
10:01-11:00, Thu., 11 Mar. 0.0304 0.0269 0.0286
09:01-10:00, Thu., 11 Mar. 0.0305 0.0265 0.0288
08:01-09:00, Thu., 11 Mar. 0.0315 0.0273 0.0294
07:01-08:00, Thu., 11 Mar. 0.0306 0.0266 0.0287
06:01-07:00, Thu., 11 Mar. 0.0301 0.0260 0.0283
05:01-06:00, Thu., 11 Mar. 0.0303 0.0265 0.0283
04:01-05:00, Thu., 11 Mar. 0.0303 0.0272 0.0286
03:01-04:00, Thu., 11 Mar. 0.0299 0.0262 0.0280
02:01-03:00, Thu., 11 Mar. 0.0297 0.0260 0.0282
01:01-02:00, Thu., 11 Mar. 0.0301 0.0264 0.0280
00:01-01:00, Thu., 11 Mar. 0.0303 0.0264 0.0281
23:01-24:00, Wed., 10 Mar. 0.0301 0.0256 0.0278
22:01-23:00, Wed., 10 Mar. 0.0303 0.0263 0.0282
21:01-22:00, Wed., 10 Mar. 0.0294 0.0266 0.0280
20:01-21:00, Wed., 10 Mar. 0.0297 0.0259 0.0278
19:01-20:00, Wed., 10 Mar. 0.0292 0.0259 0.0278
18:01-19:00, Wed., 10 Mar. 0.0301 0.0261 0.0278
17:01-18:00, Wed., 10 Mar. 0.0295 0.0258 0.0275
16:01-17:00, Wed., 10 Mar. 0.0293 0.0257 0.0278
15:01-16:00, Wed., 10 Mar. 0.0300 0.0261 0.0277
14:01-15:00, Wed., 10 Mar. 0.0296 0.0262 0.0276
13:01-14:00, Wed., 10 Mar. 0.0297 0.0250 0.0277
12:01-13:00, Wed., 10 Mar. 0.0307 0.0261 0.0282
11:01-12:00, Wed., 10 Mar. 0.0295 0.0263 0.0281
10:01-11:00, Wed., 10 Mar. 0.0296 0.0261 0.0281
09:01-10:00, Wed., 10 Mar. 0.0299 0.0264 0.0280
08:01-09:00, Wed., 10 Mar. 0.0301 0.0262 0.0283
07:01-08:00, Wed., 10 Mar. 0.0321 0.0273 0.0296
06:01-07:00, Wed., 10 Mar. 0.0322 0.0278 0.0301
05:01-06:00, Wed., 10 Mar. 0.0315 0.0278 0.0297
04:01-05:00, Wed., 10 Mar. 0.0320 0.0275 0.0299
03:01-04:00, Wed., 10 Mar. 0.0310 0.0278 0.0295
02:01-03:00, Wed., 10 Mar. 0.0308 0.0269 0.0288
01:01-02:00, Wed., 10 Mar. 0.0302 0.0263 0.0284
00:01-01:00, Wed., 10 Mar. 0.0300 0.0257 0.0278
23:01-24:00, Tue., 09 Mar. 0.0296 0.0255 0.0275
22:01-23:00, Tue., 09 Mar. 0.0300 0.0251 0.0273
21:01-22:00, Tue., 09 Mar. 0.0294 0.0248 0.0274
20:01-21:00, Tue., 09 Mar. 0.0292 0.0255 0.0271
19:01-20:00, Tue., 09 Mar. 0.0288 0.0247 0.0272
18:01-19:00, Tue., 09 Mar. 0.0298 0.0255 0.0273
17:01-18:00, Tue., 09 Mar. 0.0292 0.0256 0.0273
16:01-17:00, Tue., 09 Mar. 0.0286 0.0251 0.0269
15:01-16:00, Tue., 09 Mar. 0.0292 0.0248 0.0271
14:01-15:00, Tue., 09 Mar. 0.0295 0.0258 0.0273
13:01-14:00, Tue., 09 Mar. 0.0290 0.0246 0.0274
12:01-13:00, Tue., 09 Mar. 0.0299 0.0257 0.0277
11:01-12:00, Tue., 09 Mar. 0.0296 0.0258 0.0275
10:01-11:00, Tue., 09 Mar. 0.0292 0.0256 0.0274
09:01-10:00, Tue., 09 Mar. 0.0304 0.0260 0.0278
08:01-09:00, Tue., 09 Mar. 0.0297 0.0254 0.0280
07:01-08:00, Tue., 09 Mar. 0.0298 0.0258 0.0276
06:01-07:00, Tue., 09 Mar. 0.0294 0.0259 0.0276
05:01-06:00, Tue., 09 Mar. 0.0294 0.0256 0.0274
04:01-05:00, Tue., 09 Mar. 0.0291 0.0256 0.0271
03:01-04:00, Tue., 09 Mar. 0.0293 0.0255 0.0273
02:01-03:00, Tue., 09 Mar. 0.0290 0.0248 0.0270
01:01-02:00, Tue., 09 Mar. 0.0291 0.0251 0.0273
00:01-01:00, Tue., 09 Mar. 0.0292 0.0250 0.0275
23:01-24:00, Mon., 08 Mar. 0.0295 0.0252 0.0275
22:01-23:00, Mon., 08 Mar. 0.0292 0.0254 0.0278
21:01-22:00, Mon., 08 Mar. 0.0314 0.0271 0.0290
20:01-21:00, Mon., 08 Mar. 0.0308 0.0261 0.0283
19:01-20:00, Mon., 08 Mar. 0.0295 0.0260 0.0277
18:01-19:00, Mon., 08 Mar. 0.0295 0.0259 0.0277
17:01-18:00, Mon., 08 Mar. 0.0291 0.0260 0.0276
16:01-17:00, Mon., 08 Mar. 0.0305 0.0265 0.0281
15:01-16:00, Mon., 08 Mar. 0.0314 0.0272 0.0290
14:01-15:00, Mon., 08 Mar. 0.0330 0.0286 0.0308
13:01-14:00, Mon., 08 Mar. 0.0328 0.0273 0.0301
12:01-13:00, Mon., 08 Mar. 0.0328 0.0273 0.0298
11:01-12:00, Mon., 08 Mar. 0.0327 0.0285 0.0302
10:01-11:00, Mon., 08 Mar. 0.0318 0.0279 0.0298
09:01-10:00, Mon., 08 Mar. 0.0316 0.0284 0.0298
08:01-09:00, Mon., 08 Mar. 0.0330 0.0290 0.0308
07:01-08:00, Mon., 08 Mar. 0.0330 0.0285 0.0307
06:01-07:00, Mon., 08 Mar. 0.0320 0.0279 0.0300
05:01-06:00, Mon., 08 Mar. 0.0326 0.0282 0.0302
04:01-05:00, Mon., 08 Mar. 0.0324 0.0279 0.0299
03:01-04:00, Mon., 08 Mar. 0.0312 0.0270 0.0294
02:01-03:00, Mon., 08 Mar. 0.0321 0.0282 0.0303
01:01-02:00, Mon., 08 Mar. 0.0315 0.0265 0.0288
00:01-01:00, Mon., 08 Mar. 0.0303 0.0259 0.0278