Measurement results by the hour (Chofu) 18 Mar., 2019 - 24 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., 24 Mar. 0.0306 0.0259 0.0287
22:01-23:00, Sun., 24 Mar. 0.0312 0.0267 0.0288
21:01-22:00, Sun., 24 Mar. 0.0309 0.0265 0.0287
20:01-21:00, Sun., 24 Mar. 0.0310 0.0263 0.0286
19:01-20:00, Sun., 24 Mar. 0.0306 0.0267 0.0286
18:01-19:00, Sun., 24 Mar. 0.0297 0.0266 0.0283
17:01-18:00, Sun., 24 Mar. 0.0307 0.0266 0.0286
16:01-17:00, Sun., 24 Mar. 0.0303 0.0256 0.0285
15:01-16:00, Sun., 24 Mar. 0.0307 0.0262 0.0286
14:01-15:00, Sun., 24 Mar. 0.0314 0.0273 0.0292
13:01-14:00, Sun., 24 Mar. 0.0318 0.0276 0.0293
12:01-13:00, Sun., 24 Mar. 0.0312 0.0275 0.0295
11:01-12:00, Sun., 24 Mar. 0.0328 0.0280 0.0297
10:01-11:00, Sun., 24 Mar. 0.0320 0.0279 0.0298
09:01-10:00, Sun., 24 Mar. 0.0318 0.0278 0.0298
08:01-09:00, Sun., 24 Mar. 0.0313 0.0277 0.0295
07:01-08:00, Sun., 24 Mar. 0.0315 0.0278 0.0296
06:01-07:00, Sun., 24 Mar. 0.0311 0.0269 0.0291
05:01-06:00, Sun., 24 Mar. 0.0312 0.0277 0.0292
04:01-05:00, Sun., 24 Mar. 0.0317 0.0269 0.0291
03:01-04:00, Sun., 24 Mar. 0.0311 0.0270 0.0289
02:01-03:00, Sun., 24 Mar. 0.0299 0.0267 0.0287
01:01-02:00, Sun., 24 Mar. 0.0308 0.0260 0.0285
00:01-01:00, Sun., 24 Mar. 0.0308 0.0255 0.0282
23:01-24:00, Sat., 23 Mar. 0.0303 0.0261 0.0284
22:01-23:00, Sat., 23 Mar. 0.0301 0.0269 0.0285
21:01-22:00, Sat., 23 Mar. 0.0301 0.0265 0.0284
20:01-21:00, Sat., 23 Mar. 0.0302 0.0271 0.0286
19:01-20:00, Sat., 23 Mar. 0.0311 0.0264 0.0292
18:01-19:00, Sat., 23 Mar. 0.0326 0.0287 0.0304
17:01-18:00, Sat., 23 Mar. 0.0320 0.0284 0.0301
16:01-17:00, Sat., 23 Mar. 0.0329 0.0279 0.0305
15:01-16:00, Sat., 23 Mar. 0.0318 0.0276 0.0297
14:01-15:00, Sat., 23 Mar. 0.0324 0.0276 0.0305
13:01-14:00, Sat., 23 Mar. 0.0319 0.0284 0.0301
12:01-13:00, Sat., 23 Mar. 0.0313 0.0278 0.0293
11:01-12:00, Sat., 23 Mar. 0.0318 0.0276 0.0299
10:01-11:00, Sat., 23 Mar. 0.0323 0.0281 0.0305
09:01-10:00, Sat., 23 Mar. 0.0345 0.0296 0.0323
08:01-09:00, Sat., 23 Mar. 0.0366 0.0316 0.0337
07:01-08:00, Sat., 23 Mar. 0.0339 0.0292 0.0315
06:01-07:00, Sat., 23 Mar. 0.0316 0.0276 0.0294
05:01-06:00, Sat., 23 Mar. 0.0321 0.0278 0.0301
04:01-05:00, Sat., 23 Mar. 0.0343 0.0291 0.0317
03:01-04:00, Sat., 23 Mar. 0.0341 0.0280 0.0310
02:01-03:00, Sat., 23 Mar. 0.0307 0.0274 0.0293
01:01-02:00, Sat., 23 Mar. 0.0312 0.0281 0.0294
00:01-01:00, Sat., 23 Mar. 0.0314 0.0268 0.0292
23:01-24:00, Fri., 22 Mar. 0.0316 0.0273 0.0293
22:01-23:00, Fri., 22 Mar. 0.0305 0.0267 0.0292
21:01-22:00, Fri., 22 Mar. 0.0312 0.0266 0.0290
20:01-21:00, Fri., 22 Mar. 0.0301 0.0272 0.0288
19:01-20:00, Fri., 22 Mar. 0.0309 0.0263 0.0288
18:01-19:00, Fri., 22 Mar. 0.0309 0.0272 0.0290
17:01-18:00, Fri., 22 Mar. 0.0306 0.0269 0.0291
16:01-17:00, Fri., 22 Mar. 0.0313 0.0273 0.0288
15:01-16:00, Fri., 22 Mar. 0.0305 0.0270 0.0287
14:01-15:00, Fri., 22 Mar. 0.0310 0.0266 0.0286
13:01-14:00, Fri., 22 Mar. 0.0313 0.0263 0.0288
12:01-13:00, Fri., 22 Mar. 0.0319 0.0275 0.0293
11:01-12:00, Fri., 22 Mar. 0.0318 0.0276 0.0291
10:01-11:00, Fri., 22 Mar. 0.0314 0.0265 0.0290
09:01-10:00, Fri., 22 Mar. 0.0311 0.0278 0.0294
08:01-09:00, Fri., 22 Mar. 0.0320 0.0274 0.0293
07:01-08:00, Fri., 22 Mar. 0.0324 0.0269 0.0297
06:01-07:00, Fri., 22 Mar. 0.0320 0.0274 0.0299
05:01-06:00, Fri., 22 Mar. 0.0311 0.0270 0.0291
04:01-05:00, Fri., 22 Mar. 0.0309 0.0277 0.0292
03:01-04:00, Fri., 22 Mar. 0.0307 0.0274 0.0290
02:01-03:00, Fri., 22 Mar. 0.0310 0.0251 0.0287
01:01-02:00, Fri., 22 Mar. 0.0299 0.0264 0.0285
00:01-01:00, Fri., 22 Mar. 0.0299 0.0266 0.0282
23:01-24:00, Thu., 21 Mar. 0.0296 0.0257 0.0279
22:01-23:00, Thu., 21 Mar. 0.0303 0.0264 0.0278
21:01-22:00, Thu., 21 Mar. 0.0302 0.0257 0.0279
20:01-21:00, Thu., 21 Mar. 0.0299 0.0261 0.0281
19:01-20:00, Thu., 21 Mar. 0.0298 0.0264 0.0279
18:01-19:00, Thu., 21 Mar. 0.0299 0.0259 0.0278
17:01-18:00, Thu., 21 Mar. 0.0299 0.0260 0.0279
16:01-17:00, Thu., 21 Mar. 0.0297 0.0254 0.0280
15:01-16:00, Thu., 21 Mar. 0.0301 0.0264 0.0278
14:01-15:00, Thu., 21 Mar. 0.0304 0.0265 0.0280
13:01-14:00, Thu., 21 Mar. 0.0302 0.0263 0.0283
12:01-13:00, Thu., 21 Mar. 0.0298 0.0266 0.0280
11:01-12:00, Thu., 21 Mar. 0.0301 0.0258 0.0281
10:01-11:00, Thu., 21 Mar. 0.0304 0.0260 0.0281
09:01-10:00, Thu., 21 Mar. 0.0302 0.0263 0.0284
08:01-09:00, Thu., 21 Mar. 0.0305 0.0267 0.0285
07:01-08:00, Thu., 21 Mar. 0.0309 0.0276 0.0289
06:01-07:00, Thu., 21 Mar. 0.0342 0.0281 0.0307
05:01-06:00, Thu., 21 Mar. 0.0342 0.0263 0.0294
04:01-05:00, Thu., 21 Mar. 0.0298 0.0260 0.0281
03:01-04:00, Thu., 21 Mar. 0.0303 0.0258 0.0280
02:01-03:00, Thu., 21 Mar. 0.0305 0.0265 0.0283
01:01-02:00, Thu., 21 Mar. 0.0304 0.0258 0.0284
00:01-01:00, Thu., 21 Mar. 0.0299 0.0260 0.0282
23:01-24:00, Wed., 20 Mar. 0.0296 0.0262 0.0282
22:01-23:00, Wed., 20 Mar. 0.0303 0.0261 0.0283
21:01-22:00, Wed., 20 Mar. 0.0305 0.0264 0.0285
20:01-21:00, Wed., 20 Mar. 0.0301 0.0262 0.0282
19:01-20:00, Wed., 20 Mar. 0.0303 0.0258 0.0282
18:01-19:00, Wed., 20 Mar. 0.0296 0.0259 0.0279
17:01-18:00, Wed., 20 Mar. 0.0300 0.0263 0.0280
16:01-17:00, Wed., 20 Mar. 0.0304 0.0263 0.0283
15:01-16:00, Wed., 20 Mar. 0.0295 0.0264 0.0283
14:01-15:00, Wed., 20 Mar. 0.0299 0.0261 0.0280
13:01-14:00, Wed., 20 Mar. 0.0301 0.0268 0.0285
12:01-13:00, Wed., 20 Mar. 0.0303 0.0264 0.0284
11:01-12:00, Wed., 20 Mar. 0.0309 0.0275 0.0289
10:01-11:00, Wed., 20 Mar. 0.0310 0.0273 0.0292
09:01-10:00, Wed., 20 Mar. 0.0323 0.0272 0.0294
08:01-09:00, Wed., 20 Mar. 0.0322 0.0275 0.0299
07:01-08:00, Wed., 20 Mar. 0.0329 0.0284 0.0302
06:01-07:00, Wed., 20 Mar. 0.0317 0.0280 0.0301
05:01-06:00, Wed., 20 Mar. 0.0320 0.0270 0.0297
04:01-05:00, Wed., 20 Mar. 0.0318 0.0281 0.0297
03:01-04:00, Wed., 20 Mar. 0.0312 0.0281 0.0293
02:01-03:00, Wed., 20 Mar. 0.0312 0.0275 0.0291
01:01-02:00, Wed., 20 Mar. 0.0313 0.0272 0.0292
00:01-01:00, Wed., 20 Mar. 0.0315 0.0272 0.0293
23:01-24:00, Tue., 19 Mar. 0.0312 0.0275 0.0292
22:01-23:00, Tue., 19 Mar. 0.0322 0.0268 0.0290
21:01-22:00, Tue., 19 Mar. 0.0313 0.0275 0.0291
20:01-21:00, Tue., 19 Mar. 0.0303 0.0265 0.0282
19:01-20:00, Tue., 19 Mar. 0.0304 0.0259 0.0280
18:01-19:00, Tue., 19 Mar. 0.0303 0.0260 0.0282
17:01-18:00, Tue., 19 Mar. 0.0307 0.0264 0.0285
16:01-17:00, Tue., 19 Mar. 0.0303 0.0266 0.0285
15:01-16:00, Tue., 19 Mar. 0.0307 0.0263 0.0284
14:01-15:00, Tue., 19 Mar. 0.0306 0.0259 0.0283
13:01-14:00, Tue., 19 Mar. 0.0314 0.0266 0.0282
12:01-13:00, Tue., 19 Mar. 0.0308 0.0264 0.0283
11:01-12:00, Tue., 19 Mar. 0.0308 0.0264 0.0285
10:01-11:00, Tue., 19 Mar. 0.0303 0.0259 0.0284
09:01-10:00, Tue., 19 Mar. 0.0310 0.0275 0.0292
08:01-09:00, Tue., 19 Mar. 0.0311 0.0274 0.0293
07:01-08:00, Tue., 19 Mar. 0.0317 0.0273 0.0294
06:01-07:00, Tue., 19 Mar. 0.0325 0.0274 0.0294
05:01-06:00, Tue., 19 Mar. 0.0309 0.0276 0.0294
04:01-05:00, Tue., 19 Mar. 0.0310 0.0271 0.0292
03:01-04:00, Tue., 19 Mar. 0.0318 0.0273 0.0292
02:01-03:00, Tue., 19 Mar. 0.0310 0.0277 0.0290
01:01-02:00, Tue., 19 Mar. 0.0303 0.0270 0.0288
00:01-01:00, Tue., 19 Mar. 0.0308 0.0267 0.0283
23:01-24:00, Mon., 18 Mar. 0.0309 0.0263 0.0283
22:01-23:00, Mon., 18 Mar. 0.0297 0.0264 0.0281
21:01-22:00, Mon., 18 Mar. 0.0306 0.0267 0.0281
20:01-21:00, Mon., 18 Mar. 0.0305 0.0265 0.0281
19:01-20:00, Mon., 18 Mar. 0.0309 0.0263 0.0282
18:01-19:00, Mon., 18 Mar. 0.0300 0.0264 0.0281
17:01-18:00, Mon., 18 Mar. 0.0304 0.0260 0.0279
16:01-17:00, Mon., 18 Mar. 0.0299 0.0266 0.0280
15:01-16:00, Mon., 18 Mar. 0.0301 0.0256 0.0283
14:01-15:00, Mon., 18 Mar. 0.0303 0.0264 0.0282
13:01-14:00, Mon., 18 Mar. 0.0301 0.0266 0.0283
12:01-13:00, Mon., 18 Mar. 0.0302 0.0268 0.0282
11:01-12:00, Mon., 18 Mar. 0.0311 0.0263 0.0283
10:01-11:00, Mon., 18 Mar. 0.0312 0.0267 0.0284
09:01-10:00, Mon., 18 Mar. 0.0303 0.0261 0.0284
08:01-09:00, Mon., 18 Mar. 0.0301 0.0260 0.0286
07:01-08:00, Mon., 18 Mar. 0.0306 0.0262 0.0286
06:01-07:00, Mon., 18 Mar. 0.0302 0.0265 0.0284
05:01-06:00, Mon., 18 Mar. 0.0305 0.0261 0.0285
04:01-05:00, Mon., 18 Mar. 0.0308 0.0273 0.0287
03:01-04:00, Mon., 18 Mar. 0.0309 0.0266 0.0287
02:01-03:00, Mon., 18 Mar. 0.0305 0.0260 0.0285
01:01-02:00, Mon., 18 Mar. 0.0304 0.0268 0.0289
00:01-01:00, Mon., 18 Mar. 0.0313 0.0272 0.0291