Measurement results by the hour (Chofu) 2 Mar., 2020 - 8 Mar., 2020

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., 08 Mar. 0.0290 0.0251 0.0271
22:01-23:00, Sun., 08 Mar. 0.0289 0.0247 0.0272
21:01-22:00, Sun., 08 Mar. 0.0292 0.0253 0.0271
20:01-21:00, Sun., 08 Mar. 0.0295 0.0261 0.0276
19:01-20:00, Sun., 08 Mar. 0.0296 0.0254 0.0277
18:01-19:00, Sun., 08 Mar. 0.0304 0.0265 0.0285
17:01-18:00, Sun., 08 Mar. 0.0341 0.0281 0.0314
16:01-17:00, Sun., 08 Mar. 0.0355 0.0304 0.0328
15:01-16:00, Sun., 08 Mar. 0.0331 0.0283 0.0310
14:01-15:00, Sun., 08 Mar. 0.0327 0.0271 0.0303
13:01-14:00, Sun., 08 Mar. 0.0316 0.0278 0.0298
12:01-13:00, Sun., 08 Mar. 0.0344 0.0287 0.0315
11:01-12:00, Sun., 08 Mar. 0.0373 0.0318 0.0345
10:01-11:00, Sun., 08 Mar. 0.0409 0.0333 0.0363
09:01-10:00, Sun., 08 Mar. 0.0413 0.0350 0.0380
08:01-09:00, Sun., 08 Mar. 0.0411 0.0347 0.0376
07:01-08:00, Sun., 08 Mar. 0.0380 0.0312 0.0338
06:01-07:00, Sun., 08 Mar. 0.0337 0.0259 0.0289
05:01-06:00, Sun., 08 Mar. 0.0298 0.0257 0.0275
04:01-05:00, Sun., 08 Mar. 0.0293 0.0259 0.0274
03:01-04:00, Sun., 08 Mar. 0.0299 0.0256 0.0279
02:01-03:00, Sun., 08 Mar. 0.0311 0.0273 0.0289
01:01-02:00, Sun., 08 Mar. 0.0358 0.0290 0.0322
00:01-01:00, Sun., 08 Mar. 0.0365 0.0327 0.0349
23:01-24:00, Sat., 07 Mar. 0.0372 0.0322 0.0351
22:01-23:00, Sat., 07 Mar. 0.0393 0.0317 0.0356
21:01-22:00, Sat., 07 Mar. 0.0338 0.0270 0.0297
20:01-21:00, Sat., 07 Mar. 0.0300 0.0259 0.0278
19:01-20:00, Sat., 07 Mar. 0.0295 0.0262 0.0280
18:01-19:00, Sat., 07 Mar. 0.0295 0.0249 0.0275
17:01-18:00, Sat., 07 Mar. 0.0290 0.0251 0.0271
16:01-17:00, Sat., 07 Mar. 0.0290 0.0254 0.0274
15:01-16:00, Sat., 07 Mar. 0.0293 0.0249 0.0275
14:01-15:00, Sat., 07 Mar. 0.0292 0.0257 0.0276
13:01-14:00, Sat., 07 Mar. 0.0302 0.0244 0.0276
12:01-13:00, Sat., 07 Mar. 0.0301 0.0252 0.0275
11:01-12:00, Sat., 07 Mar. 0.0300 0.0259 0.0277
10:01-11:00, Sat., 07 Mar. 0.0309 0.0254 0.0278
09:01-10:00, Sat., 07 Mar. 0.0297 0.0264 0.0280
08:01-09:00, Sat., 07 Mar. 0.0298 0.0262 0.0281
07:01-08:00, Sat., 07 Mar. 0.0303 0.0263 0.0283
06:01-07:00, Sat., 07 Mar. 0.0307 0.0263 0.0283
05:01-06:00, Sat., 07 Mar. 0.0301 0.0260 0.0281
04:01-05:00, Sat., 07 Mar. 0.0297 0.0259 0.0278
03:01-04:00, Sat., 07 Mar. 0.0302 0.0269 0.0285
02:01-03:00, Sat., 07 Mar. 0.0313 0.0267 0.0290
01:01-02:00, Sat., 07 Mar. 0.0301 0.0261 0.0277
00:01-01:00, Sat., 07 Mar. 0.0290 0.0257 0.0273
23:01-24:00, Fri., 06 Mar. 0.0294 0.0255 0.0274
22:01-23:00, Fri., 06 Mar. 0.0300 0.0252 0.0274
21:01-22:00, Fri., 06 Mar. 0.0293 0.0258 0.0273
20:01-21:00, Fri., 06 Mar. 0.0292 0.0256 0.0273
19:01-20:00, Fri., 06 Mar. 0.0295 0.0253 0.0273
18:01-19:00, Fri., 06 Mar. 0.0286 0.0255 0.0271
17:01-18:00, Fri., 06 Mar. 0.0298 0.0255 0.0271
16:01-17:00, Fri., 06 Mar. 0.0292 0.0257 0.0274
15:01-16:00, Fri., 06 Mar. 0.0294 0.0257 0.0277
14:01-15:00, Fri., 06 Mar. 0.0295 0.0255 0.0276
13:01-14:00, Fri., 06 Mar. 0.0296 0.0261 0.0276
12:01-13:00, Fri., 06 Mar. 0.0293 0.0258 0.0278
11:01-12:00, Fri., 06 Mar. 0.0299 0.0252 0.0279
10:01-11:00, Fri., 06 Mar. 0.0310 0.0260 0.0279
09:01-10:00, Fri., 06 Mar. 0.0306 0.0261 0.0280
08:01-09:00, Fri., 06 Mar. 0.0300 0.0260 0.0279
07:01-08:00, Fri., 06 Mar. 0.0301 0.0262 0.0279
06:01-07:00, Fri., 06 Mar. 0.0299 0.0263 0.0282
05:01-06:00, Fri., 06 Mar. 0.0303 0.0260 0.0282
04:01-05:00, Fri., 06 Mar. 0.0301 0.0264 0.0282
03:01-04:00, Fri., 06 Mar. 0.0303 0.0261 0.0282
02:01-03:00, Fri., 06 Mar. 0.0304 0.0262 0.0282
01:01-02:00, Fri., 06 Mar. 0.0302 0.0263 0.0282
00:01-01:00, Fri., 06 Mar. 0.0301 0.0258 0.0282
23:01-24:00, Thu., 05 Mar. 0.0300 0.0262 0.0281
22:01-23:00, Thu., 05 Mar. 0.0300 0.0260 0.0280
21:01-22:00, Thu., 05 Mar. 0.0298 0.0260 0.0278
20:01-21:00, Thu., 05 Mar. 0.0302 0.0263 0.0279
19:01-20:00, Thu., 05 Mar. 0.0294 0.0261 0.0278
18:01-19:00, Thu., 05 Mar. 0.0300 0.0262 0.0279
17:01-18:00, Thu., 05 Mar. 0.0300 0.0259 0.0277
16:01-17:00, Thu., 05 Mar. 0.0305 0.0255 0.0278
15:01-16:00, Thu., 05 Mar. 0.0295 0.0257 0.0275
14:01-15:00, Thu., 05 Mar. 0.0298 0.0258 0.0277
13:01-14:00, Thu., 05 Mar. 0.0312 0.0260 0.0283
12:01-13:00, Thu., 05 Mar. 0.0322 0.0279 0.0298
11:01-12:00, Thu., 05 Mar. 0.0391 0.0298 0.0342
10:01-11:00, Thu., 05 Mar. 0.0399 0.0282 0.0326
09:01-10:00, Thu., 05 Mar. 0.0310 0.0267 0.0288
08:01-09:00, Thu., 05 Mar. 0.0312 0.0255 0.0282
07:01-08:00, Thu., 05 Mar. 0.0304 0.0270 0.0283
06:01-07:00, Thu., 05 Mar. 0.0300 0.0261 0.0280
05:01-06:00, Thu., 05 Mar. 0.0298 0.0257 0.0279
04:01-05:00, Thu., 05 Mar. 0.0299 0.0259 0.0279
03:01-04:00, Thu., 05 Mar. 0.0300 0.0257 0.0280
02:01-03:00, Thu., 05 Mar. 0.0307 0.0261 0.0284
01:01-02:00, Thu., 05 Mar. 0.0342 0.0287 0.0311
00:01-01:00, Thu., 05 Mar. 0.0359 0.0288 0.0320
23:01-24:00, Wed., 04 Mar. 0.0357 0.0279 0.0318
22:01-23:00, Wed., 04 Mar. 0.0374 0.0319 0.0351
21:01-22:00, Wed., 04 Mar. 0.0328 0.0271 0.0296
20:01-21:00, Wed., 04 Mar. 0.0307 0.0259 0.0283
19:01-20:00, Wed., 04 Mar. 0.0314 0.0271 0.0291
18:01-19:00, Wed., 04 Mar. 0.0321 0.0271 0.0299
17:01-18:00, Wed., 04 Mar. 0.0292 0.0259 0.0274
16:01-17:00, Wed., 04 Mar. 0.0293 0.0249 0.0273
15:01-16:00, Wed., 04 Mar. 0.0294 0.0256 0.0272
14:01-15:00, Wed., 04 Mar. 0.0288 0.0255 0.0273
13:01-14:00, Wed., 04 Mar. 0.0297 0.0261 0.0276
12:01-13:00, Wed., 04 Mar. 0.0295 0.0257 0.0275
11:01-12:00, Wed., 04 Mar. 0.0305 0.0265 0.0285
10:01-11:00, Wed., 04 Mar. 0.0329 0.0279 0.0307
09:01-10:00, Wed., 04 Mar. 0.0309 0.0259 0.0277
08:01-09:00, Wed., 04 Mar. 0.0291 0.0255 0.0273
07:01-08:00, Wed., 04 Mar. 0.0288 0.0252 0.0272
06:01-07:00, Wed., 04 Mar. 0.0289 0.0257 0.0273
05:01-06:00, Wed., 04 Mar. 0.0282 0.0251 0.0268
04:01-05:00, Wed., 04 Mar. 0.0293 0.0256 0.0272
03:01-04:00, Wed., 04 Mar. 0.0288 0.0252 0.0271
02:01-03:00, Wed., 04 Mar. 0.0286 0.0252 0.0270
01:01-02:00, Wed., 04 Mar. 0.0283 0.0249 0.0269
00:01-01:00, Wed., 04 Mar. 0.0292 0.0250 0.0272
23:01-24:00, Tue., 03 Mar. 0.0286 0.0249 0.0272
22:01-23:00, Tue., 03 Mar. 0.0292 0.0254 0.0272
21:01-22:00, Tue., 03 Mar. 0.0294 0.0253 0.0272
20:01-21:00, Tue., 03 Mar. 0.0293 0.0254 0.0273
19:01-20:00, Tue., 03 Mar. 0.0296 0.0254 0.0274
18:01-19:00, Tue., 03 Mar. 0.0292 0.0251 0.0272
17:01-18:00, Tue., 03 Mar. 0.0293 0.0259 0.0273
16:01-17:00, Tue., 03 Mar. 0.0291 0.0249 0.0273
15:01-16:00, Tue., 03 Mar. 0.0300 0.0254 0.0274
14:01-15:00, Tue., 03 Mar. 0.0290 0.0255 0.0273
13:01-14:00, Tue., 03 Mar. 0.0289 0.0259 0.0274
12:01-13:00, Tue., 03 Mar. 0.0294 0.0256 0.0274
11:01-12:00, Tue., 03 Mar. 0.0297 0.0263 0.0278
10:01-11:00, Tue., 03 Mar. 0.0293 0.0253 0.0274
09:01-10:00, Tue., 03 Mar. 0.0305 0.0254 0.0277
08:01-09:00, Tue., 03 Mar. 0.0304 0.0260 0.0279
07:01-08:00, Tue., 03 Mar. 0.0314 0.0261 0.0283
06:01-07:00, Tue., 03 Mar. 0.0294 0.0259 0.0278
05:01-06:00, Tue., 03 Mar. 0.0293 0.0261 0.0277
04:01-05:00, Tue., 03 Mar. 0.0293 0.0251 0.0275
03:01-04:00, Tue., 03 Mar. 0.0299 0.0257 0.0275
02:01-03:00, Tue., 03 Mar. 0.0294 0.0253 0.0275
01:01-02:00, Tue., 03 Mar. 0.0292 0.0256 0.0272
00:01-01:00, Tue., 03 Mar. 0.0293 0.0259 0.0274
23:01-24:00, Mon., 02 Mar. 0.0292 0.0254 0.0276
22:01-23:00, Mon., 02 Mar. 0.0294 0.0261 0.0278
21:01-22:00, Mon., 02 Mar. 0.0296 0.0260 0.0277
20:01-21:00, Mon., 02 Mar. 0.0287 0.0257 0.0273
19:01-20:00, Mon., 02 Mar. 0.0296 0.0256 0.0275
18:01-19:00, Mon., 02 Mar. 0.0295 0.0259 0.0275
17:01-18:00, Mon., 02 Mar. 0.0319 0.0271 0.0291
16:01-17:00, Mon., 02 Mar. 0.0334 0.0289 0.0310
15:01-16:00, Mon., 02 Mar. 0.0346 0.0304 0.0325
14:01-15:00, Mon., 02 Mar. 0.0399 0.0329 0.0359
13:01-14:00, Mon., 02 Mar. 0.0429 0.0361 0.0387
12:01-13:00, Mon., 02 Mar. 0.0423 0.0370 0.0397
11:01-12:00, Mon., 02 Mar. 0.0449 0.0377 0.0416
10:01-11:00, Mon., 02 Mar. 0.0440 0.0372 0.0405
09:01-10:00, Mon., 02 Mar. 0.0432 0.0367 0.0404
08:01-09:00, Mon., 02 Mar. 0.0423 0.0360 0.0389
07:01-08:00, Mon., 02 Mar. 0.0423 0.0358 0.0392
06:01-07:00, Mon., 02 Mar. 0.0455 0.0371 0.0405
05:01-06:00, Mon., 02 Mar. 0.0435 0.0335 0.0384
04:01-05:00, Mon., 02 Mar. 0.0403 0.0332 0.0358
03:01-04:00, Mon., 02 Mar. 0.0406 0.0341 0.0368
02:01-03:00, Mon., 02 Mar. 0.0371 0.0311 0.0337
01:01-02:00, Mon., 02 Mar. 0.0365 0.0288 0.0329
00:01-01:00, Mon., 02 Mar. 0.0298 0.0262 0.0278