Measurement results by the hour (Chofu) 18 Mar., 2024 - 24 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., 24 Mar. 0.0312 0.0266 0.0293
22:01-23:00, Sun., 24 Mar. 0.0308 0.0273 0.0290
21:01-22:00, Sun., 24 Mar. 0.0315 0.0276 0.0293
20:01-21:00, Sun., 24 Mar. 0.0344 0.0276 0.0311
19:01-20:00, Sun., 24 Mar. 0.0365 0.0300 0.0337
18:01-19:00, Sun., 24 Mar. 0.0367 0.0318 0.0345
17:01-18:00, Sun., 24 Mar. 0.0361 0.0272 0.0315
16:01-17:00, Sun., 24 Mar. 0.0305 0.0263 0.0284
15:01-16:00, Sun., 24 Mar. 0.0301 0.0267 0.0282
14:01-15:00, Sun., 24 Mar. 0.0303 0.0270 0.0286
13:01-14:00, Sun., 24 Mar. 0.0302 0.0267 0.0286
12:01-13:00, Sun., 24 Mar. 0.0307 0.0263 0.0287
11:01-12:00, Sun., 24 Mar. 0.0310 0.0273 0.0290
10:01-11:00, Sun., 24 Mar. 0.0311 0.0273 0.0291
09:01-10:00, Sun., 24 Mar. 0.0317 0.0272 0.0293
08:01-09:00, Sun., 24 Mar. 0.0318 0.0278 0.0296
07:01-08:00, Sun., 24 Mar. 0.0316 0.0263 0.0297
06:01-07:00, Sun., 24 Mar. 0.0325 0.0277 0.0299
05:01-06:00, Sun., 24 Mar. 0.0315 0.0273 0.0297
04:01-05:00, Sun., 24 Mar. 0.0312 0.0277 0.0292
03:01-04:00, Sun., 24 Mar. 0.0318 0.0270 0.0292
02:01-03:00, Sun., 24 Mar. 0.0321 0.0271 0.0292
01:01-02:00, Sun., 24 Mar. 0.0303 0.0266 0.0289
00:01-01:00, Sun., 24 Mar. 0.0315 0.0272 0.0290
23:01-24:00, Sat., 23 Mar. 0.0310 0.0266 0.0288
22:01-23:00, Sat., 23 Mar. 0.0302 0.0267 0.0283
21:01-22:00, Sat., 23 Mar. 0.0301 0.0262 0.0282
20:01-21:00, Sat., 23 Mar. 0.0308 0.0265 0.0284
19:01-20:00, Sat., 23 Mar. 0.0305 0.0263 0.0283
18:01-19:00, Sat., 23 Mar. 0.0307 0.0263 0.0285
17:01-18:00, Sat., 23 Mar. 0.0312 0.0269 0.0286
16:01-17:00, Sat., 23 Mar. 0.0312 0.0272 0.0291
15:01-16:00, Sat., 23 Mar. 0.0317 0.0261 0.0294
14:01-15:00, Sat., 23 Mar. 0.0315 0.0269 0.0291
13:01-14:00, Sat., 23 Mar. 0.0315 0.0274 0.0290
12:01-13:00, Sat., 23 Mar. 0.0310 0.0276 0.0294
11:01-12:00, Sat., 23 Mar. 0.0332 0.0278 0.0298
10:01-11:00, Sat., 23 Mar. 0.0312 0.0273 0.0292
09:01-10:00, Sat., 23 Mar. 0.0329 0.0283 0.0307
08:01-09:00, Sat., 23 Mar. 0.0342 0.0296 0.0325
07:01-08:00, Sat., 23 Mar. 0.0311 0.0271 0.0291
06:01-07:00, Sat., 23 Mar. 0.0316 0.0264 0.0289
05:01-06:00, Sat., 23 Mar. 0.0315 0.0270 0.0288
04:01-05:00, Sat., 23 Mar. 0.0309 0.0265 0.0287
03:01-04:00, Sat., 23 Mar. 0.0315 0.0263 0.0282
02:01-03:00, Sat., 23 Mar. 0.0294 0.0264 0.0281
01:01-02:00, Sat., 23 Mar. 0.0298 0.0261 0.0278
00:01-01:00, Sat., 23 Mar. 0.0301 0.0261 0.0281
23:01-24:00, Fri., 22 Mar. 0.0298 0.0256 0.0279
22:01-23:00, Fri., 22 Mar. 0.0298 0.0262 0.0279
21:01-22:00, Fri., 22 Mar. 0.0299 0.0252 0.0278
20:01-21:00, Fri., 22 Mar. 0.0305 0.0246 0.0276
19:01-20:00, Fri., 22 Mar. 0.0294 0.0259 0.0277
18:01-19:00, Fri., 22 Mar. 0.0294 0.0249 0.0274
17:01-18:00, Fri., 22 Mar. 0.0294 0.0255 0.0276
16:01-17:00, Fri., 22 Mar. 0.0298 0.0245 0.0280
15:01-16:00, Fri., 22 Mar. 0.0300 0.0255 0.0281
14:01-15:00, Fri., 22 Mar. 0.0298 0.0263 0.0280
13:01-14:00, Fri., 22 Mar. 0.0298 0.0257 0.0280
12:01-13:00, Fri., 22 Mar. 0.0310 0.0263 0.0281
11:01-12:00, Fri., 22 Mar. 0.0305 0.0263 0.0281
10:01-11:00, Fri., 22 Mar. 0.0310 0.0257 0.0283
09:01-10:00, Fri., 22 Mar. 0.0301 0.0266 0.0286
08:01-09:00, Fri., 22 Mar. 0.0307 0.0259 0.0283
07:01-08:00, Fri., 22 Mar. 0.0305 0.0273 0.0289
06:01-07:00, Fri., 22 Mar. 0.0314 0.0270 0.0287
05:01-06:00, Fri., 22 Mar. 0.0310 0.0265 0.0290
04:01-05:00, Fri., 22 Mar. 0.0315 0.0270 0.0288
03:01-04:00, Fri., 22 Mar. 0.0307 0.0264 0.0284
02:01-03:00, Fri., 22 Mar. 0.0304 0.0260 0.0284
01:01-02:00, Fri., 22 Mar. 0.0306 0.0262 0.0284
00:01-01:00, Fri., 22 Mar. 0.0311 0.0261 0.0283
23:01-24:00, Thu., 21 Mar. 0.0301 0.0255 0.0281
22:01-23:00, Thu., 21 Mar. 0.0301 0.0256 0.0282
21:01-22:00, Thu., 21 Mar. 0.0308 0.0264 0.0282
20:01-21:00, Thu., 21 Mar. 0.0294 0.0261 0.0280
19:01-20:00, Thu., 21 Mar. 0.0308 0.0259 0.0282
18:01-19:00, Thu., 21 Mar. 0.0312 0.0266 0.0283
17:01-18:00, Thu., 21 Mar. 0.0303 0.0260 0.0281
16:01-17:00, Thu., 21 Mar. 0.0304 0.0263 0.0285
15:01-16:00, Thu., 21 Mar. 0.0308 0.0259 0.0284
14:01-15:00, Thu., 21 Mar. 0.0312 0.0266 0.0283
13:01-14:00, Thu., 21 Mar. 0.0308 0.0255 0.0285
12:01-13:00, Thu., 21 Mar. 0.0304 0.0255 0.0283
11:01-12:00, Thu., 21 Mar. 0.0296 0.0249 0.0278
10:01-11:00, Thu., 21 Mar. 0.0298 0.0259 0.0279
09:01-10:00, Thu., 21 Mar. 0.0307 0.0261 0.0281
08:01-09:00, Thu., 21 Mar. 0.0304 0.0255 0.0280
07:01-08:00, Thu., 21 Mar. 0.0300 0.0255 0.0279
06:01-07:00, Thu., 21 Mar. 0.0299 0.0252 0.0281
05:01-06:00, Thu., 21 Mar. 0.0300 0.0262 0.0282
04:01-05:00, Thu., 21 Mar. 0.0303 0.0263 0.0285
03:01-04:00, Thu., 21 Mar. 0.0307 0.0263 0.0284
02:01-03:00, Thu., 21 Mar. 0.0297 0.0261 0.0279
01:01-02:00, Thu., 21 Mar. 0.0304 0.0260 0.0281
00:01-01:00, Thu., 21 Mar. 0.0301 0.0266 0.0281
23:01-24:00, Wed., 20 Mar. 0.0301 0.0259 0.0281
22:01-23:00, Wed., 20 Mar. 0.0305 0.0254 0.0281
21:01-22:00, Wed., 20 Mar. 0.0301 0.0263 0.0279
20:01-21:00, Wed., 20 Mar. 0.0308 0.0263 0.0282
19:01-20:00, Wed., 20 Mar. 0.0308 0.0262 0.0283
18:01-19:00, Wed., 20 Mar. 0.0317 0.0278 0.0297
17:01-18:00, Wed., 20 Mar. 0.0388 0.0297 0.0338
16:01-17:00, Wed., 20 Mar. 0.0452 0.0279 0.0392
15:01-16:00, Wed., 20 Mar. 0.0325 0.0280 0.0303
14:01-15:00, Wed., 20 Mar. 0.0388 0.0300 0.0341
13:01-14:00, Wed., 20 Mar. 0.0481 0.0361 0.0423
12:01-13:00, Wed., 20 Mar. 0.0405 0.0265 0.0306
11:01-12:00, Wed., 20 Mar. 0.0310 0.0264 0.0289
10:01-11:00, Wed., 20 Mar. 0.0315 0.0278 0.0295
09:01-10:00, Wed., 20 Mar. 0.0331 0.0280 0.0301
08:01-09:00, Wed., 20 Mar. 0.0322 0.0277 0.0298
07:01-08:00, Wed., 20 Mar. 0.0319 0.0276 0.0299
06:01-07:00, Wed., 20 Mar. 0.0320 0.0273 0.0300
05:01-06:00, Wed., 20 Mar. 0.0318 0.0276 0.0298
04:01-05:00, Wed., 20 Mar. 0.0311 0.0266 0.0289
03:01-04:00, Wed., 20 Mar. 0.0318 0.0264 0.0288
02:01-03:00, Wed., 20 Mar. 0.0312 0.0268 0.0287
01:01-02:00, Wed., 20 Mar. 0.0310 0.0268 0.0290
00:01-01:00, Wed., 20 Mar. 0.0314 0.0263 0.0288
23:01-24:00, Tue., 19 Mar. 0.0302 0.0257 0.0283
22:01-23:00, Tue., 19 Mar. 0.0303 0.0261 0.0281
21:01-22:00, Tue., 19 Mar. 0.0299 0.0254 0.0281
20:01-21:00, Tue., 19 Mar. 0.0311 0.0260 0.0279
19:01-20:00, Tue., 19 Mar. 0.0298 0.0259 0.0277
18:01-19:00, Tue., 19 Mar. 0.0297 0.0257 0.0280
17:01-18:00, Tue., 19 Mar. 0.0308 0.0262 0.0280
16:01-17:00, Tue., 19 Mar. 0.0297 0.0260 0.0279
15:01-16:00, Tue., 19 Mar. 0.0303 0.0263 0.0282
14:01-15:00, Tue., 19 Mar. 0.0301 0.0268 0.0284
13:01-14:00, Tue., 19 Mar. 0.0304 0.0261 0.0282
12:01-13:00, Tue., 19 Mar. 0.0308 0.0259 0.0283
11:01-12:00, Tue., 19 Mar. 0.0303 0.0266 0.0284
10:01-11:00, Tue., 19 Mar. 0.0298 0.0255 0.0282
09:01-10:00, Tue., 19 Mar. 0.0301 0.0256 0.0281
08:01-09:00, Tue., 19 Mar. 0.0308 0.0257 0.0281
07:01-08:00, Tue., 19 Mar. 0.0307 0.0261 0.0283
06:01-07:00, Tue., 19 Mar. 0.0305 0.0254 0.0282
05:01-06:00, Tue., 19 Mar. 0.0299 0.0263 0.0282
04:01-05:00, Tue., 19 Mar. 0.0308 0.0258 0.0281
03:01-04:00, Tue., 19 Mar. 0.0301 0.0263 0.0281
02:01-03:00, Tue., 19 Mar. 0.0301 0.0259 0.0279
01:01-02:00, Tue., 19 Mar. 0.0302 0.0259 0.0280
00:01-01:00, Tue., 19 Mar. 0.0304 0.0255 0.0281
23:01-24:00, Mon., 18 Mar. 0.0298 0.0255 0.0279
22:01-23:00, Mon., 18 Mar. 0.0297 0.0262 0.0277
21:01-22:00, Mon., 18 Mar. 0.0302 0.0262 0.0282
20:01-21:00, Mon., 18 Mar. 0.0300 0.0259 0.0279
19:01-20:00, Mon., 18 Mar. 0.0298 0.0259 0.0278
18:01-19:00, Mon., 18 Mar. 0.0297 0.0264 0.0279
17:01-18:00, Mon., 18 Mar. 0.0308 0.0250 0.0279
16:01-17:00, Mon., 18 Mar. 0.0297 0.0248 0.0280
15:01-16:00, Mon., 18 Mar. 0.0303 0.0265 0.0282
14:01-15:00, Mon., 18 Mar. 0.0303 0.0262 0.0280
13:01-14:00, Mon., 18 Mar. 0.0303 0.0254 0.0279
12:01-13:00, Mon., 18 Mar. 0.0304 0.0256 0.0280
11:01-12:00, Mon., 18 Mar. 0.0322 0.0263 0.0282
10:01-11:00, Mon., 18 Mar. 0.0300 0.0260 0.0282
09:01-10:00, Mon., 18 Mar. 0.0311 0.0261 0.0283
08:01-09:00, Mon., 18 Mar. 0.0302 0.0255 0.0284
07:01-08:00, Mon., 18 Mar. 0.0301 0.0256 0.0285
06:01-07:00, Mon., 18 Mar. 0.0305 0.0264 0.0283
05:01-06:00, Mon., 18 Mar. 0.0301 0.0263 0.0284
04:01-05:00, Mon., 18 Mar. 0.0315 0.0262 0.0284
03:01-04:00, Mon., 18 Mar. 0.0314 0.0270 0.0288
02:01-03:00, Mon., 18 Mar. 0.0312 0.0274 0.0292
01:01-02:00, Mon., 18 Mar. 0.0314 0.0266 0.0288
00:01-01:00, Mon., 18 Mar. 0.0315 0.0268 0.0288