Measurement results by the hour (Chofu) 4 Mar., 2024 - 10 Mar., 2024

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. 0.0294 0.0256 0.0273
22:01-23:00, Sun., 10 Mar. 0.0289 0.0252 0.0272
21:01-22:00, Sun., 10 Mar. 0.0290 0.0250 0.0273
20:01-21:00, Sun., 10 Mar. 0.0291 0.0254 0.0271
19:01-20:00, Sun., 10 Mar. 0.0297 0.0252 0.0272
18:01-19:00, Sun., 10 Mar. 0.0291 0.0250 0.0270
17:01-18:00, Sun., 10 Mar. 0.0299 0.0250 0.0272
16:01-17:00, Sun., 10 Mar. 0.0311 0.0249 0.0274
15:01-16:00, Sun., 10 Mar. 0.0297 0.0249 0.0274
14:01-15:00, Sun., 10 Mar. 0.0298 0.0256 0.0279
13:01-14:00, Sun., 10 Mar. 0.0295 0.0256 0.0277
12:01-13:00, Sun., 10 Mar. 0.0315 0.0259 0.0280
11:01-12:00, Sun., 10 Mar. 0.0313 0.0248 0.0279
10:01-11:00, Sun., 10 Mar. 0.0304 0.0258 0.0283
09:01-10:00, Sun., 10 Mar. 0.0298 0.0256 0.0279
08:01-09:00, Sun., 10 Mar. 0.0308 0.0271 0.0289
07:01-08:00, Sun., 10 Mar. 0.0322 0.0278 0.0297
06:01-07:00, Sun., 10 Mar. 0.0311 0.0270 0.0291
05:01-06:00, Sun., 10 Mar. 0.0302 0.0261 0.0285
04:01-05:00, Sun., 10 Mar. 0.0308 0.0271 0.0285
03:01-04:00, Sun., 10 Mar. 0.0306 0.0256 0.0284
02:01-03:00, Sun., 10 Mar. 0.0307 0.0261 0.0283
01:01-02:00, Sun., 10 Mar. 0.0312 0.0266 0.0282
00:01-01:00, Sun., 10 Mar. 0.0301 0.0257 0.0282
23:01-24:00, Sat., 09 Mar. 0.0304 0.0259 0.0285
22:01-23:00, Sat., 09 Mar. 0.0301 0.0261 0.0281
21:01-22:00, Sat., 09 Mar. 0.0297 0.0257 0.0279
20:01-21:00, Sat., 09 Mar. 0.0298 0.0262 0.0282
19:01-20:00, Sat., 09 Mar. 0.0296 0.0262 0.0280
18:01-19:00, Sat., 09 Mar. 0.0299 0.0263 0.0280
17:01-18:00, Sat., 09 Mar. 0.0307 0.0249 0.0282
16:01-17:00, Sat., 09 Mar. 0.0306 0.0263 0.0284
15:01-16:00, Sat., 09 Mar. 0.0307 0.0265 0.0287
14:01-15:00, Sat., 09 Mar. 0.0303 0.0261 0.0287
13:01-14:00, Sat., 09 Mar. 0.0306 0.0264 0.0285
12:01-13:00, Sat., 09 Mar. 0.0302 0.0263 0.0284
11:01-12:00, Sat., 09 Mar. 0.0293 0.0263 0.0280
10:01-11:00, Sat., 09 Mar. 0.0309 0.0261 0.0282
09:01-10:00, Sat., 09 Mar. 0.0298 0.0264 0.0282
08:01-09:00, Sat., 09 Mar. 0.0301 0.0269 0.0286
07:01-08:00, Sat., 09 Mar. 0.0310 0.0265 0.0289
06:01-07:00, Sat., 09 Mar. 0.0304 0.0272 0.0288
05:01-06:00, Sat., 09 Mar. 0.0304 0.0264 0.0287
04:01-05:00, Sat., 09 Mar. 0.0312 0.0253 0.0288
03:01-04:00, Sat., 09 Mar. 0.0305 0.0255 0.0285
02:01-03:00, Sat., 09 Mar. 0.0312 0.0260 0.0283
01:01-02:00, Sat., 09 Mar. 0.0304 0.0252 0.0280
00:01-01:00, Sat., 09 Mar. 0.0294 0.0262 0.0279
23:01-24:00, Fri., 08 Mar. 0.0301 0.0252 0.0276
22:01-23:00, Fri., 08 Mar. 0.0306 0.0245 0.0277
21:01-22:00, Fri., 08 Mar. 0.0294 0.0245 0.0275
20:01-21:00, Fri., 08 Mar. 0.0297 0.0251 0.0276
19:01-20:00, Fri., 08 Mar. 0.0299 0.0259 0.0278
18:01-19:00, Fri., 08 Mar. 0.0311 0.0261 0.0282
17:01-18:00, Fri., 08 Mar. 0.0318 0.0278 0.0298
16:01-17:00, Fri., 08 Mar. 0.0316 0.0263 0.0287
15:01-16:00, Fri., 08 Mar. 0.0308 0.0257 0.0280
14:01-15:00, Fri., 08 Mar. 0.0303 0.0256 0.0279
13:01-14:00, Fri., 08 Mar. 0.0298 0.0249 0.0276
12:01-13:00, Fri., 08 Mar. 0.0301 0.0255 0.0276
11:01-12:00, Fri., 08 Mar. 0.0296 0.0258 0.0277
10:01-11:00, Fri., 08 Mar. 0.0304 0.0263 0.0283
09:01-10:00, Fri., 08 Mar. 0.0334 0.0278 0.0300
08:01-09:00, Fri., 08 Mar. 0.0310 0.0267 0.0289
07:01-08:00, Fri., 08 Mar. 0.0359 0.0275 0.0311
06:01-07:00, Fri., 08 Mar. 0.0419 0.0340 0.0382
05:01-06:00, Fri., 08 Mar. 0.0442 0.0385 0.0416
04:01-05:00, Fri., 08 Mar. 0.0441 0.0392 0.0420
03:01-04:00, Fri., 08 Mar. 0.0439 0.0392 0.0418
02:01-03:00, Fri., 08 Mar. 0.0436 0.0383 0.0407
01:01-02:00, Fri., 08 Mar. 0.0418 0.0345 0.0383
00:01-01:00, Fri., 08 Mar. 0.0375 0.0316 0.0342
23:01-24:00, Thu., 07 Mar. 0.0346 0.0289 0.0315
22:01-23:00, Thu., 07 Mar. 0.0308 0.0252 0.0280
21:01-22:00, Thu., 07 Mar. 0.0294 0.0259 0.0275
20:01-21:00, Thu., 07 Mar. 0.0310 0.0249 0.0274
19:01-20:00, Thu., 07 Mar. 0.0294 0.0256 0.0274
18:01-19:00, Thu., 07 Mar. 0.0299 0.0249 0.0275
17:01-18:00, Thu., 07 Mar. 0.0296 0.0256 0.0274
16:01-17:00, Thu., 07 Mar. 0.0297 0.0255 0.0275
15:01-16:00, Thu., 07 Mar. 0.0299 0.0259 0.0278
14:01-15:00, Thu., 07 Mar. 0.0301 0.0256 0.0279
13:01-14:00, Thu., 07 Mar. 0.0296 0.0260 0.0279
12:01-13:00, Thu., 07 Mar. 0.0294 0.0257 0.0274
11:01-12:00, Thu., 07 Mar. 0.0298 0.0262 0.0277
10:01-11:00, Thu., 07 Mar. 0.0307 0.0247 0.0278
09:01-10:00, Thu., 07 Mar. 0.0301 0.0256 0.0278
08:01-09:00, Thu., 07 Mar. 0.0303 0.0259 0.0277
07:01-08:00, Thu., 07 Mar. 0.0295 0.0254 0.0274
06:01-07:00, Thu., 07 Mar. 0.0299 0.0261 0.0276
05:01-06:00, Thu., 07 Mar. 0.0297 0.0250 0.0276
04:01-05:00, Thu., 07 Mar. 0.0290 0.0255 0.0273
03:01-04:00, Thu., 07 Mar. 0.0295 0.0256 0.0273
02:01-03:00, Thu., 07 Mar. 0.0298 0.0259 0.0278
01:01-02:00, Thu., 07 Mar. 0.0297 0.0249 0.0277
00:01-01:00, Thu., 07 Mar. 0.0301 0.0256 0.0278
23:01-24:00, Wed., 06 Mar. 0.0297 0.0252 0.0277
22:01-23:00, Wed., 06 Mar. 0.0301 0.0254 0.0279
21:01-22:00, Wed., 06 Mar. 0.0298 0.0254 0.0277
20:01-21:00, Wed., 06 Mar. 0.0293 0.0249 0.0276
19:01-20:00, Wed., 06 Mar. 0.0298 0.0257 0.0280
18:01-19:00, Wed., 06 Mar. 0.0297 0.0256 0.0274
17:01-18:00, Wed., 06 Mar. 0.0290 0.0253 0.0274
16:01-17:00, Wed., 06 Mar. 0.0296 0.0251 0.0275
15:01-16:00, Wed., 06 Mar. 0.0305 0.0256 0.0278
14:01-15:00, Wed., 06 Mar. 0.0309 0.0263 0.0283
13:01-14:00, Wed., 06 Mar. 0.0340 0.0266 0.0306
12:01-13:00, Wed., 06 Mar. 0.0446 0.0313 0.0378
11:01-12:00, Wed., 06 Mar. 0.0502 0.0433 0.0474
10:01-11:00, Wed., 06 Mar. 0.0478 0.0363 0.0410
09:01-10:00, Wed., 06 Mar. 0.0406 0.0354 0.0378
08:01-09:00, Wed., 06 Mar. 0.0401 0.0350 0.0375
07:01-08:00, Wed., 06 Mar. 0.0382 0.0332 0.0359
06:01-07:00, Wed., 06 Mar. 0.0393 0.0345 0.0370
05:01-06:00, Wed., 06 Mar. 0.0401 0.0353 0.0373
04:01-05:00, Wed., 06 Mar. 0.0423 0.0345 0.0377
03:01-04:00, Wed., 06 Mar. 0.0471 0.0393 0.0439
02:01-03:00, Wed., 06 Mar. 0.0468 0.0418 0.0440
01:01-02:00, Wed., 06 Mar. 0.0482 0.0431 0.0458
00:01-01:00, Wed., 06 Mar. 0.0476 0.0408 0.0442
23:01-24:00, Tue., 05 Mar. 0.0443 0.0382 0.0410
22:01-23:00, Tue., 05 Mar. 0.0440 0.0377 0.0407
21:01-22:00, Tue., 05 Mar. 0.0425 0.0370 0.0399
20:01-21:00, Tue., 05 Mar. 0.0423 0.0373 0.0401
19:01-20:00, Tue., 05 Mar. 0.0444 0.0381 0.0404
18:01-19:00, Tue., 05 Mar. 0.0425 0.0370 0.0402
17:01-18:00, Tue., 05 Mar. 0.0424 0.0363 0.0394
16:01-17:00, Tue., 05 Mar. 0.0413 0.0332 0.0373
15:01-16:00, Tue., 05 Mar. 0.0350 0.0295 0.0326
14:01-15:00, Tue., 05 Mar. 0.0327 0.0284 0.0307
13:01-14:00, Tue., 05 Mar. 0.0359 0.0292 0.0321
12:01-13:00, Tue., 05 Mar. 0.0360 0.0278 0.0319
11:01-12:00, Tue., 05 Mar. 0.0319 0.0271 0.0292
10:01-11:00, Tue., 05 Mar. 0.0303 0.0260 0.0282
09:01-10:00, Tue., 05 Mar. 0.0310 0.0270 0.0284
08:01-09:00, Tue., 05 Mar. 0.0297 0.0260 0.0282
07:01-08:00, Tue., 05 Mar. 0.0309 0.0263 0.0281
06:01-07:00, Tue., 05 Mar. 0.0307 0.0253 0.0282
05:01-06:00, Tue., 05 Mar. 0.0301 0.0266 0.0284
04:01-05:00, Tue., 05 Mar. 0.0298 0.0262 0.0279
03:01-04:00, Tue., 05 Mar. 0.0310 0.0258 0.0279
02:01-03:00, Tue., 05 Mar. 0.0298 0.0260 0.0281
01:01-02:00, Tue., 05 Mar. 0.0302 0.0262 0.0280
00:01-01:00, Tue., 05 Mar. 0.0297 0.0258 0.0278
23:01-24:00, Mon., 04 Mar. 0.0298 0.0259 0.0280
22:01-23:00, Mon., 04 Mar. 0.0295 0.0249 0.0276
21:01-22:00, Mon., 04 Mar. 0.0298 0.0262 0.0279
20:01-21:00, Mon., 04 Mar. 0.0304 0.0255 0.0276
19:01-20:00, Mon., 04 Mar. 0.0294 0.0258 0.0275
18:01-19:00, Mon., 04 Mar. 0.0296 0.0252 0.0275
17:01-18:00, Mon., 04 Mar. 0.0301 0.0256 0.0278
16:01-17:00, Mon., 04 Mar. 0.0301 0.0267 0.0284
15:01-16:00, Mon., 04 Mar. 0.0309 0.0262 0.0287
14:01-15:00, Mon., 04 Mar. 0.0304 0.0267 0.0287
13:01-14:00, Mon., 04 Mar. 0.0310 0.0264 0.0285
12:01-13:00, Mon., 04 Mar. 0.0311 0.0273 0.0292
11:01-12:00, Mon., 04 Mar. 0.0306 0.0270 0.0285
10:01-11:00, Mon., 04 Mar. 0.0307 0.0260 0.0287
09:01-10:00, Mon., 04 Mar. 0.0309 0.0265 0.0289
08:01-09:00, Mon., 04 Mar. 0.0312 0.0267 0.0289
07:01-08:00, Mon., 04 Mar. 0.0305 0.0266 0.0286
06:01-07:00, Mon., 04 Mar. 0.0305 0.0256 0.0284
05:01-06:00, Mon., 04 Mar. 0.0304 0.0258 0.0286
04:01-05:00, Mon., 04 Mar. 0.0315 0.0267 0.0288
03:01-04:00, Mon., 04 Mar. 0.0305 0.0257 0.0287
02:01-03:00, Mon., 04 Mar. 0.0300 0.0254 0.0285
01:01-02:00, Mon., 04 Mar. 0.0302 0.0259 0.0283
00:01-01:00, Mon., 04 Mar. 0.0308 0.0263 0.0284