Measurement results by the hour (Chofu) 4 Mar., 2019 - 10 Mar., 2019

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., 10 Mar. 0.0391 0.0351 0.0366
22:01-23:00, Sun., 10 Mar. 0.0390 0.0341 0.0358
21:01-22:00, Sun., 10 Mar. 0.0366 0.0309 0.0334
20:01-21:00, Sun., 10 Mar. 0.0348 0.0309 0.0329
19:01-20:00, Sun., 10 Mar. 0.0352 0.0268 0.0312
18:01-19:00, Sun., 10 Mar. 0.0294 0.0255 0.0273
17:01-18:00, Sun., 10 Mar. 0.0293 0.0258 0.0275
16:01-17:00, Sun., 10 Mar. 0.0291 0.0259 0.0274
15:01-16:00, Sun., 10 Mar. 0.0293 0.0256 0.0273
14:01-15:00, Sun., 10 Mar. 0.0292 0.0257 0.0275
13:01-14:00, Sun., 10 Mar. 0.0299 0.0260 0.0283
12:01-13:00, Sun., 10 Mar. 0.0303 0.0262 0.0283
11:01-12:00, Sun., 10 Mar. 0.0305 0.0264 0.0285
10:01-11:00, Sun., 10 Mar. 0.0301 0.0266 0.0286
09:01-10:00, Sun., 10 Mar. 0.0317 0.0272 0.0294
08:01-09:00, Sun., 10 Mar. 0.0318 0.0269 0.0296
07:01-08:00, Sun., 10 Mar. 0.0313 0.0280 0.0294
06:01-07:00, Sun., 10 Mar. 0.0314 0.0267 0.0293
05:01-06:00, Sun., 10 Mar. 0.0317 0.0274 0.0290
04:01-05:00, Sun., 10 Mar. 0.0308 0.0266 0.0288
03:01-04:00, Sun., 10 Mar. 0.0298 0.0259 0.0278
02:01-03:00, Sun., 10 Mar. 0.0298 0.0262 0.0277
01:01-02:00, Sun., 10 Mar. 0.0290 0.0257 0.0273
00:01-01:00, Sun., 10 Mar. 0.0288 0.0255 0.0274
23:01-24:00, Sat., 09 Mar. 0.0292 0.0259 0.0274
22:01-23:00, Sat., 09 Mar. 0.0296 0.0254 0.0275
21:01-22:00, Sat., 09 Mar. 0.0297 0.0259 0.0276
20:01-21:00, Sat., 09 Mar. 0.0297 0.0255 0.0274
19:01-20:00, Sat., 09 Mar. 0.0299 0.0256 0.0275
18:01-19:00, Sat., 09 Mar. 0.0293 0.0250 0.0272
17:01-18:00, Sat., 09 Mar. 0.0294 0.0256 0.0273
16:01-17:00, Sat., 09 Mar. 0.0294 0.0258 0.0276
15:01-16:00, Sat., 09 Mar. 0.0291 0.0262 0.0277
14:01-15:00, Sat., 09 Mar. 0.0303 0.0263 0.0276
13:01-14:00, Sat., 09 Mar. 0.0298 0.0256 0.0278
12:01-13:00, Sat., 09 Mar. 0.0296 0.0262 0.0277
11:01-12:00, Sat., 09 Mar. 0.0295 0.0261 0.0280
10:01-11:00, Sat., 09 Mar. 0.0301 0.0273 0.0285
09:01-10:00, Sat., 09 Mar. 0.0309 0.0265 0.0291
08:01-09:00, Sat., 09 Mar. 0.0323 0.0281 0.0299
07:01-08:00, Sat., 09 Mar. 0.0323 0.0280 0.0302
06:01-07:00, Sat., 09 Mar. 0.0320 0.0277 0.0298
05:01-06:00, Sat., 09 Mar. 0.0319 0.0272 0.0294
04:01-05:00, Sat., 09 Mar. 0.0311 0.0274 0.0291
03:01-04:00, Sat., 09 Mar. 0.0312 0.0271 0.0288
02:01-03:00, Sat., 09 Mar. 0.0300 0.0261 0.0284
01:01-02:00, Sat., 09 Mar. 0.0304 0.0272 0.0284
00:01-01:00, Sat., 09 Mar. 0.0299 0.0259 0.0279
23:01-24:00, Fri., 08 Mar. 0.0296 0.0261 0.0276
22:01-23:00, Fri., 08 Mar. 0.0295 0.0260 0.0277
21:01-22:00, Fri., 08 Mar. 0.0294 0.0250 0.0276
20:01-21:00, Fri., 08 Mar. 0.0289 0.0260 0.0276
19:01-20:00, Fri., 08 Mar. 0.0305 0.0257 0.0276
18:01-19:00, Fri., 08 Mar. 0.0300 0.0262 0.0276
17:01-18:00, Fri., 08 Mar. 0.0306 0.0256 0.0275
16:01-17:00, Fri., 08 Mar. 0.0298 0.0251 0.0277
15:01-16:00, Fri., 08 Mar. 0.0295 0.0253 0.0277
14:01-15:00, Fri., 08 Mar. 0.0300 0.0257 0.0277
13:01-14:00, Fri., 08 Mar. 0.0294 0.0256 0.0275
12:01-13:00, Fri., 08 Mar. 0.0293 0.0259 0.0275
11:01-12:00, Fri., 08 Mar. 0.0297 0.0257 0.0277
10:01-11:00, Fri., 08 Mar. 0.0295 0.0258 0.0277
09:01-10:00, Fri., 08 Mar. 0.0299 0.0257 0.0276
08:01-09:00, Fri., 08 Mar. 0.0294 0.0258 0.0276
07:01-08:00, Fri., 08 Mar. 0.0293 0.0258 0.0277
06:01-07:00, Fri., 08 Mar. 0.0290 0.0254 0.0272
05:01-06:00, Fri., 08 Mar. 0.0291 0.0253 0.0273
04:01-05:00, Fri., 08 Mar. 0.0291 0.0265 0.0277
03:01-04:00, Fri., 08 Mar. 0.0290 0.0257 0.0274
02:01-03:00, Fri., 08 Mar. 0.0295 0.0263 0.0278
01:01-02:00, Fri., 08 Mar. 0.0298 0.0253 0.0277
00:01-01:00, Fri., 08 Mar. 0.0297 0.0251 0.0279
23:01-24:00, Thu., 07 Mar. 0.0307 0.0257 0.0277
22:01-23:00, Thu., 07 Mar. 0.0293 0.0258 0.0279
21:01-22:00, Thu., 07 Mar. 0.0308 0.0268 0.0288
20:01-21:00, Thu., 07 Mar. 0.0366 0.0286 0.0320
19:01-20:00, Thu., 07 Mar. 0.0552 0.0350 0.0437
18:01-19:00, Thu., 07 Mar. 0.0644 0.0490 0.0570
17:01-18:00, Thu., 07 Mar. 0.0537 0.0429 0.0478
16:01-17:00, Thu., 07 Mar. 0.0761 0.0521 0.0645
15:01-16:00, Thu., 07 Mar. 0.0789 0.0615 0.0700
14:01-15:00, Thu., 07 Mar. 0.0648 0.0293 0.0450
13:01-14:00, Thu., 07 Mar. 0.0302 0.0269 0.0286
12:01-13:00, Thu., 07 Mar. 0.0322 0.0274 0.0296
11:01-12:00, Thu., 07 Mar. 0.0330 0.0288 0.0311
10:01-11:00, Thu., 07 Mar. 0.0325 0.0285 0.0305
09:01-10:00, Thu., 07 Mar. 0.0340 0.0281 0.0313
08:01-09:00, Thu., 07 Mar. 0.0347 0.0295 0.0325
07:01-08:00, Thu., 07 Mar. 0.0358 0.0303 0.0327
06:01-07:00, Thu., 07 Mar. 0.0351 0.0303 0.0330
05:01-06:00, Thu., 07 Mar. 0.0365 0.0313 0.0339
04:01-05:00, Thu., 07 Mar. 0.0359 0.0315 0.0333
03:01-04:00, Thu., 07 Mar. 0.0365 0.0309 0.0341
02:01-03:00, Thu., 07 Mar. 0.0374 0.0333 0.0357
01:01-02:00, Thu., 07 Mar. 0.0372 0.0319 0.0348
00:01-01:00, Thu., 07 Mar. 0.0380 0.0329 0.0352
23:01-24:00, Wed., 06 Mar. 0.0378 0.0327 0.0349
22:01-23:00, Wed., 06 Mar. 0.0360 0.0294 0.0319
21:01-22:00, Wed., 06 Mar. 0.0314 0.0263 0.0287
20:01-21:00, Wed., 06 Mar. 0.0308 0.0269 0.0289
19:01-20:00, Wed., 06 Mar. 0.0306 0.0265 0.0282
18:01-19:00, Wed., 06 Mar. 0.0296 0.0261 0.0279
17:01-18:00, Wed., 06 Mar. 0.0295 0.0256 0.0274
16:01-17:00, Wed., 06 Mar. 0.0294 0.0248 0.0277
15:01-16:00, Wed., 06 Mar. 0.0299 0.0252 0.0276
14:01-15:00, Wed., 06 Mar. 0.0297 0.0266 0.0282
13:01-14:00, Wed., 06 Mar. 0.0307 0.0252 0.0283
12:01-13:00, Wed., 06 Mar. 0.0302 0.0264 0.0283
11:01-12:00, Wed., 06 Mar. 0.0309 0.0257 0.0284
10:01-11:00, Wed., 06 Mar. 0.0301 0.0268 0.0284
09:01-10:00, Wed., 06 Mar. 0.0311 0.0261 0.0285
08:01-09:00, Wed., 06 Mar. 0.0314 0.0273 0.0286
07:01-08:00, Wed., 06 Mar. 0.0305 0.0263 0.0285
06:01-07:00, Wed., 06 Mar. 0.0303 0.0268 0.0286
05:01-06:00, Wed., 06 Mar. 0.0314 0.0263 0.0287
04:01-05:00, Wed., 06 Mar. 0.0301 0.0256 0.0284
03:01-04:00, Wed., 06 Mar. 0.0309 0.0272 0.0286
02:01-03:00, Wed., 06 Mar. 0.0300 0.0270 0.0284
01:01-02:00, Wed., 06 Mar. 0.0313 0.0267 0.0295
00:01-01:00, Wed., 06 Mar. 0.0350 0.0289 0.0319
23:01-24:00, Tue., 05 Mar. 0.0328 0.0263 0.0293
22:01-23:00, Tue., 05 Mar. 0.0296 0.0261 0.0280
21:01-22:00, Tue., 05 Mar. 0.0297 0.0258 0.0277
20:01-21:00, Tue., 05 Mar. 0.0299 0.0264 0.0279
19:01-20:00, Tue., 05 Mar. 0.0297 0.0261 0.0280
18:01-19:00, Tue., 05 Mar. 0.0303 0.0261 0.0278
17:01-18:00, Tue., 05 Mar. 0.0296 0.0258 0.0277
16:01-17:00, Tue., 05 Mar. 0.0299 0.0267 0.0279
15:01-16:00, Tue., 05 Mar. 0.0304 0.0257 0.0280
14:01-15:00, Tue., 05 Mar. 0.0300 0.0266 0.0279
13:01-14:00, Tue., 05 Mar. 0.0296 0.0261 0.0280
12:01-13:00, Tue., 05 Mar. 0.0304 0.0263 0.0280
11:01-12:00, Tue., 05 Mar. 0.0301 0.0259 0.0280
10:01-11:00, Tue., 05 Mar. 0.0298 0.0261 0.0280
09:01-10:00, Tue., 05 Mar. 0.0304 0.0256 0.0279
08:01-09:00, Tue., 05 Mar. 0.0294 0.0257 0.0278
07:01-08:00, Tue., 05 Mar. 0.0292 0.0258 0.0279
06:01-07:00, Tue., 05 Mar. 0.0303 0.0254 0.0278
05:01-06:00, Tue., 05 Mar. 0.0301 0.0261 0.0276
04:01-05:00, Tue., 05 Mar. 0.0295 0.0259 0.0278
03:01-04:00, Tue., 05 Mar. 0.0304 0.0256 0.0282
02:01-03:00, Tue., 05 Mar. 0.0331 0.0268 0.0299
01:01-02:00, Tue., 05 Mar. 0.0369 0.0300 0.0328
00:01-01:00, Tue., 05 Mar. 0.0339 0.0293 0.0319
23:01-24:00, Mon., 04 Mar. 0.0336 0.0293 0.0313
22:01-23:00, Mon., 04 Mar. 0.0339 0.0285 0.0314
21:01-22:00, Mon., 04 Mar. 0.0363 0.0298 0.0329
20:01-21:00, Mon., 04 Mar. 0.0339 0.0282 0.0304
19:01-20:00, Mon., 04 Mar. 0.0350 0.0285 0.0314
18:01-19:00, Mon., 04 Mar. 0.0350 0.0312 0.0330
17:01-18:00, Mon., 04 Mar. 0.0369 0.0330 0.0353
16:01-17:00, Mon., 04 Mar. 0.0382 0.0331 0.0354
15:01-16:00, Mon., 04 Mar. 0.0379 0.0328 0.0353
14:01-15:00, Mon., 04 Mar. 0.0397 0.0338 0.0362
13:01-14:00, Mon., 04 Mar. 0.0469 0.0368 0.0413
12:01-13:00, Mon., 04 Mar. 0.0483 0.0403 0.0444
11:01-12:00, Mon., 04 Mar. 0.0483 0.0414 0.0448
10:01-11:00, Mon., 04 Mar. 0.0476 0.0379 0.0439
09:01-10:00, Mon., 04 Mar. 0.0456 0.0379 0.0421
08:01-09:00, Mon., 04 Mar. 0.0451 0.0382 0.0411
07:01-08:00, Mon., 04 Mar. 0.0432 0.0360 0.0389
06:01-07:00, Mon., 04 Mar. 0.0438 0.0368 0.0400
05:01-06:00, Mon., 04 Mar. 0.0429 0.0361 0.0382
04:01-05:00, Mon., 04 Mar. 0.0437 0.0364 0.0397
03:01-04:00, Mon., 04 Mar. 0.0467 0.0386 0.0424
02:01-03:00, Mon., 04 Mar. 0.0448 0.0373 0.0417
01:01-02:00, Mon., 04 Mar. 0.0434 0.0362 0.0396
00:01-01:00, Mon., 04 Mar. 0.0453 0.0362 0.0394