Measurement results by the hour (Chofu) 8 Apr., 2024 - 14 Apr., 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., 14 Apr. 0.0308 0.0259 0.0276
22:01-23:00, Sun., 14 Apr. 0.0295 0.0259 0.0277
21:01-22:00, Sun., 14 Apr. 0.0297 0.0256 0.0277
20:01-21:00, Sun., 14 Apr. 0.0298 0.0247 0.0275
19:01-20:00, Sun., 14 Apr. 0.0308 0.0256 0.0276
18:01-19:00, Sun., 14 Apr. 0.0299 0.0249 0.0274
17:01-18:00, Sun., 14 Apr. 0.0296 0.0256 0.0276
16:01-17:00, Sun., 14 Apr. 0.0297 0.0251 0.0276
15:01-16:00, Sun., 14 Apr. 0.0307 0.0256 0.0278
14:01-15:00, Sun., 14 Apr. 0.0299 0.0252 0.0279
13:01-14:00, Sun., 14 Apr. 0.0310 0.0257 0.0276
12:01-13:00, Sun., 14 Apr. 0.0296 0.0255 0.0277
11:01-12:00, Sun., 14 Apr. 0.0304 0.0259 0.0278
10:01-11:00, Sun., 14 Apr. 0.0303 0.0259 0.0276
09:01-10:00, Sun., 14 Apr. 0.0298 0.0260 0.0280
08:01-09:00, Sun., 14 Apr. 0.0303 0.0260 0.0281
07:01-08:00, Sun., 14 Apr. 0.0305 0.0259 0.0281
06:01-07:00, Sun., 14 Apr. 0.0311 0.0257 0.0285
05:01-06:00, Sun., 14 Apr. 0.0298 0.0260 0.0279
04:01-05:00, Sun., 14 Apr. 0.0306 0.0261 0.0282
03:01-04:00, Sun., 14 Apr. 0.0306 0.0266 0.0285
02:01-03:00, Sun., 14 Apr. 0.0303 0.0257 0.0283
01:01-02:00, Sun., 14 Apr. 0.0298 0.0260 0.0279
00:01-01:00, Sun., 14 Apr. 0.0294 0.0252 0.0275
23:01-24:00, Sat., 13 Apr. 0.0300 0.0255 0.0273
22:01-23:00, Sat., 13 Apr. 0.0301 0.0256 0.0274
21:01-22:00, Sat., 13 Apr. 0.0294 0.0258 0.0275
20:01-21:00, Sat., 13 Apr. 0.0295 0.0250 0.0275
19:01-20:00, Sat., 13 Apr. 0.0290 0.0256 0.0272
18:01-19:00, Sat., 13 Apr. 0.0301 0.0250 0.0276
17:01-18:00, Sat., 13 Apr. 0.0298 0.0256 0.0274
16:01-17:00, Sat., 13 Apr. 0.0296 0.0257 0.0274
15:01-16:00, Sat., 13 Apr. 0.0298 0.0257 0.0276
14:01-15:00, Sat., 13 Apr. 0.0300 0.0260 0.0278
13:01-14:00, Sat., 13 Apr. 0.0298 0.0257 0.0279
12:01-13:00, Sat., 13 Apr. 0.0314 0.0263 0.0281
11:01-12:00, Sat., 13 Apr. 0.0300 0.0263 0.0277
10:01-11:00, Sat., 13 Apr. 0.0296 0.0264 0.0279
09:01-10:00, Sat., 13 Apr. 0.0298 0.0254 0.0279
08:01-09:00, Sat., 13 Apr. 0.0310 0.0253 0.0280
07:01-08:00, Sat., 13 Apr. 0.0308 0.0261 0.0283
06:01-07:00, Sat., 13 Apr. 0.0297 0.0258 0.0280
05:01-06:00, Sat., 13 Apr. 0.0303 0.0261 0.0282
04:01-05:00, Sat., 13 Apr. 0.0298 0.0264 0.0281
03:01-04:00, Sat., 13 Apr. 0.0304 0.0264 0.0279
02:01-03:00, Sat., 13 Apr. 0.0290 0.0256 0.0275
01:01-02:00, Sat., 13 Apr. 0.0291 0.0248 0.0272
00:01-01:00, Sat., 13 Apr. 0.0297 0.0252 0.0276
23:01-24:00, Fri., 12 Apr. 0.0290 0.0256 0.0273
22:01-23:00, Fri., 12 Apr. 0.0295 0.0259 0.0276
21:01-22:00, Fri., 12 Apr. 0.0293 0.0257 0.0273
20:01-21:00, Fri., 12 Apr. 0.0294 0.0249 0.0273
19:01-20:00, Fri., 12 Apr. 0.0293 0.0248 0.0271
18:01-19:00, Fri., 12 Apr. 0.0293 0.0249 0.0273
17:01-18:00, Fri., 12 Apr. 0.0303 0.0258 0.0274
16:01-17:00, Fri., 12 Apr. 0.0297 0.0252 0.0274
15:01-16:00, Fri., 12 Apr. 0.0301 0.0260 0.0277
14:01-15:00, Fri., 12 Apr. 0.0300 0.0257 0.0280
13:01-14:00, Fri., 12 Apr. 0.0309 0.0264 0.0287
12:01-13:00, Fri., 12 Apr. 0.0329 0.0279 0.0302
11:01-12:00, Fri., 12 Apr. 0.0318 0.0262 0.0285
10:01-11:00, Fri., 12 Apr. 0.0300 0.0247 0.0276
09:01-10:00, Fri., 12 Apr. 0.0301 0.0262 0.0279
08:01-09:00, Fri., 12 Apr. 0.0298 0.0252 0.0277
07:01-08:00, Fri., 12 Apr. 0.0301 0.0247 0.0279
06:01-07:00, Fri., 12 Apr. 0.0305 0.0259 0.0280
05:01-06:00, Fri., 12 Apr. 0.0304 0.0264 0.0282
04:01-05:00, Fri., 12 Apr. 0.0303 0.0260 0.0281
03:01-04:00, Fri., 12 Apr. 0.0301 0.0254 0.0278
02:01-03:00, Fri., 12 Apr. 0.0310 0.0263 0.0279
01:01-02:00, Fri., 12 Apr. 0.0301 0.0257 0.0278
00:01-01:00, Fri., 12 Apr. 0.0294 0.0245 0.0275
23:01-24:00, Thu., 11 Apr. 0.0289 0.0252 0.0272
22:01-23:00, Thu., 11 Apr. 0.0304 0.0255 0.0273
21:01-22:00, Thu., 11 Apr. 0.0287 0.0255 0.0271
20:01-21:00, Thu., 11 Apr. 0.0288 0.0252 0.0271
19:01-20:00, Thu., 11 Apr. 0.0294 0.0252 0.0272
18:01-19:00, Thu., 11 Apr. 0.0294 0.0258 0.0274
17:01-18:00, Thu., 11 Apr. 0.0296 0.0245 0.0275
16:01-17:00, Thu., 11 Apr. 0.0304 0.0259 0.0274
15:01-16:00, Thu., 11 Apr. 0.0290 0.0251 0.0272
14:01-15:00, Thu., 11 Apr. 0.0297 0.0254 0.0276
13:01-14:00, Thu., 11 Apr. 0.0298 0.0254 0.0277
12:01-13:00, Thu., 11 Apr. 0.0304 0.0251 0.0276
11:01-12:00, Thu., 11 Apr. 0.0288 0.0252 0.0273
10:01-11:00, Thu., 11 Apr. 0.0296 0.0256 0.0276
09:01-10:00, Thu., 11 Apr. 0.0293 0.0256 0.0275
08:01-09:00, Thu., 11 Apr. 0.0299 0.0249 0.0276
07:01-08:00, Thu., 11 Apr. 0.0308 0.0259 0.0278
06:01-07:00, Thu., 11 Apr. 0.0304 0.0266 0.0282
05:01-06:00, Thu., 11 Apr. 0.0298 0.0259 0.0276
04:01-05:00, Thu., 11 Apr. 0.0288 0.0256 0.0274
03:01-04:00, Thu., 11 Apr. 0.0290 0.0248 0.0274
02:01-03:00, Thu., 11 Apr. 0.0291 0.0249 0.0277
01:01-02:00, Thu., 11 Apr. 0.0292 0.0261 0.0274
00:01-01:00, Thu., 11 Apr. 0.0290 0.0253 0.0272
23:01-24:00, Wed., 10 Apr. 0.0311 0.0252 0.0270
22:01-23:00, Wed., 10 Apr. 0.0289 0.0252 0.0269
21:01-22:00, Wed., 10 Apr. 0.0297 0.0242 0.0272
20:01-21:00, Wed., 10 Apr. 0.0296 0.0255 0.0272
19:01-20:00, Wed., 10 Apr. 0.0303 0.0251 0.0271
18:01-19:00, Wed., 10 Apr. 0.0293 0.0253 0.0272
17:01-18:00, Wed., 10 Apr. 0.0294 0.0256 0.0273
16:01-17:00, Wed., 10 Apr. 0.0290 0.0253 0.0271
15:01-16:00, Wed., 10 Apr. 0.0294 0.0252 0.0274
14:01-15:00, Wed., 10 Apr. 0.0290 0.0254 0.0273
13:01-14:00, Wed., 10 Apr. 0.0302 0.0257 0.0274
12:01-13:00, Wed., 10 Apr. 0.0292 0.0256 0.0275
11:01-12:00, Wed., 10 Apr. 0.0294 0.0233 0.0272
10:01-11:00, Wed., 10 Apr. 0.0294 0.0257 0.0275
09:01-10:00, Wed., 10 Apr. 0.0293 0.0242 0.0273
08:01-09:00, Wed., 10 Apr. 0.0287 0.0255 0.0272
07:01-08:00, Wed., 10 Apr. 0.0286 0.0256 0.0271
06:01-07:00, Wed., 10 Apr. 0.0301 0.0245 0.0272
05:01-06:00, Wed., 10 Apr. 0.0293 0.0255 0.0270
04:01-05:00, Wed., 10 Apr. 0.0297 0.0251 0.0271
03:01-04:00, Wed., 10 Apr. 0.0286 0.0253 0.0270
02:01-03:00, Wed., 10 Apr. 0.0291 0.0255 0.0270
01:01-02:00, Wed., 10 Apr. 0.0295 0.0248 0.0270
00:01-01:00, Wed., 10 Apr. 0.0289 0.0254 0.0271
23:01-24:00, Tue., 09 Apr. 0.0298 0.0248 0.0271
22:01-23:00, Tue., 09 Apr. 0.0291 0.0256 0.0272
21:01-22:00, Tue., 09 Apr. 0.0297 0.0258 0.0276
20:01-21:00, Tue., 09 Apr. 0.0299 0.0257 0.0275
19:01-20:00, Tue., 09 Apr. 0.0304 0.0262 0.0280
18:01-19:00, Tue., 09 Apr. 0.0299 0.0266 0.0281
17:01-18:00, Tue., 09 Apr. 0.0311 0.0268 0.0289
16:01-17:00, Tue., 09 Apr. 0.0329 0.0276 0.0298
15:01-16:00, Tue., 09 Apr. 0.0345 0.0294 0.0321
14:01-15:00, Tue., 09 Apr. 0.0319 0.0266 0.0293
13:01-14:00, Tue., 09 Apr. 0.0372 0.0291 0.0328
12:01-13:00, Tue., 09 Apr. 0.0410 0.0339 0.0381
11:01-12:00, Tue., 09 Apr. 0.0370 0.0316 0.0343
10:01-11:00, Tue., 09 Apr. 0.0344 0.0287 0.0315
09:01-10:00, Tue., 09 Apr. 0.0319 0.0271 0.0295
08:01-09:00, Tue., 09 Apr. 0.0321 0.0273 0.0293
07:01-08:00, Tue., 09 Apr. 0.0336 0.0278 0.0303
06:01-07:00, Tue., 09 Apr. 0.0346 0.0289 0.0320
05:01-06:00, Tue., 09 Apr. 0.0367 0.0315 0.0336
04:01-05:00, Tue., 09 Apr. 0.0378 0.0322 0.0343
03:01-04:00, Tue., 09 Apr. 0.0367 0.0311 0.0346
02:01-03:00, Tue., 09 Apr. 0.0348 0.0273 0.0302
01:01-02:00, Tue., 09 Apr. 0.0322 0.0263 0.0293
00:01-01:00, Tue., 09 Apr. 0.0321 0.0273 0.0293
23:01-24:00, Mon., 08 Apr. 0.0307 0.0264 0.0281
22:01-23:00, Mon., 08 Apr. 0.0307 0.0256 0.0280
21:01-22:00, Mon., 08 Apr. 0.0308 0.0266 0.0281
20:01-21:00, Mon., 08 Apr. 0.0304 0.0247 0.0275
19:01-20:00, Mon., 08 Apr. 0.0301 0.0259 0.0276
18:01-19:00, Mon., 08 Apr. 0.0302 0.0256 0.0278
17:01-18:00, Mon., 08 Apr. 0.0301 0.0249 0.0280
16:01-17:00, Mon., 08 Apr. 0.0302 0.0262 0.0280
15:01-16:00, Mon., 08 Apr. 0.0297 0.0255 0.0281
14:01-15:00, Mon., 08 Apr. 0.0303 0.0252 0.0278
13:01-14:00, Mon., 08 Apr. 0.0294 0.0254 0.0276
12:01-13:00, Mon., 08 Apr. 0.0450 0.0259 0.0278
11:01-12:00, Mon., 08 Apr. 0.0302 0.0252 0.0276
10:01-11:00, Mon., 08 Apr. 0.0305 0.0256 0.0279
09:01-10:00, Mon., 08 Apr. 0.0297 0.0259 0.0278
08:01-09:00, Mon., 08 Apr. 0.0304 0.0259 0.0278
07:01-08:00, Mon., 08 Apr. 0.0307 0.0270 0.0288
06:01-07:00, Mon., 08 Apr. 0.0311 0.0270 0.0291
05:01-06:00, Mon., 08 Apr. 0.0318 0.0272 0.0289
04:01-05:00, Mon., 08 Apr. 0.0313 0.0272 0.0291
03:01-04:00, Mon., 08 Apr. 0.0314 0.0260 0.0287
02:01-03:00, Mon., 08 Apr. 0.0298 0.0265 0.0280
01:01-02:00, Mon., 08 Apr. 0.0297 0.0265 0.0280
00:01-01:00, Mon., 08 Apr. 0.0300 0.0257 0.0277