Measurement results by the hour (Chofu) 6 Mar., 2023 - 12 Mar., 2023

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., 12 Mar. 0.0306 0.0266 0.0285
22:01-23:00, Sun., 12 Mar. 0.0316 0.0266 0.0282
21:01-22:00, Sun., 12 Mar. 0.0311 0.0256 0.0283
20:01-21:00, Sun., 12 Mar. 0.0304 0.0266 0.0283
19:01-20:00, Sun., 12 Mar. 0.0298 0.0259 0.0280
18:01-19:00, Sun., 12 Mar. 0.0304 0.0266 0.0282
17:01-18:00, Sun., 12 Mar. 0.0301 0.0266 0.0281
16:01-17:00, Sun., 12 Mar. 0.0297 0.0264 0.0281
15:01-16:00, Sun., 12 Mar. 0.0303 0.0261 0.0281
14:01-15:00, Sun., 12 Mar. 0.0302 0.0264 0.0280
13:01-14:00, Sun., 12 Mar. 0.0303 0.0260 0.0283
12:01-13:00, Sun., 12 Mar. 0.0301 0.0262 0.0281
11:01-12:00, Sun., 12 Mar. 0.0304 0.0260 0.0285
10:01-11:00, Sun., 12 Mar. 0.0304 0.0255 0.0284
09:01-10:00, Sun., 12 Mar. 0.0305 0.0265 0.0284
08:01-09:00, Sun., 12 Mar. 0.0304 0.0265 0.0286
07:01-08:00, Sun., 12 Mar. 0.0304 0.0256 0.0284
06:01-07:00, Sun., 12 Mar. 0.0307 0.0262 0.0287
05:01-06:00, Sun., 12 Mar. 0.0310 0.0267 0.0287
04:01-05:00, Sun., 12 Mar. 0.0304 0.0264 0.0289
03:01-04:00, Sun., 12 Mar. 0.0312 0.0270 0.0291
02:01-03:00, Sun., 12 Mar. 0.0308 0.0265 0.0286
01:01-02:00, Sun., 12 Mar. 0.0301 0.0257 0.0280
00:01-01:00, Sun., 12 Mar. 0.0305 0.0259 0.0278
23:01-24:00, Sat., 11 Mar. 0.0301 0.0257 0.0277
22:01-23:00, Sat., 11 Mar. 0.0299 0.0257 0.0279
21:01-22:00, Sat., 11 Mar. 0.0298 0.0262 0.0281
20:01-21:00, Sat., 11 Mar. 0.0305 0.0263 0.0282
19:01-20:00, Sat., 11 Mar. 0.0308 0.0262 0.0282
18:01-19:00, Sat., 11 Mar. 0.0322 0.0258 0.0281
17:01-18:00, Sat., 11 Mar. 0.0311 0.0259 0.0282
16:01-17:00, Sat., 11 Mar. 0.0303 0.0258 0.0283
15:01-16:00, Sat., 11 Mar. 0.0308 0.0263 0.0284
14:01-15:00, Sat., 11 Mar. 0.0303 0.0260 0.0282
13:01-14:00, Sat., 11 Mar. 0.0305 0.0265 0.0285
12:01-13:00, Sat., 11 Mar. 0.0303 0.0266 0.0284
11:01-12:00, Sat., 11 Mar. 0.0304 0.0260 0.0285
10:01-11:00, Sat., 11 Mar. 0.0304 0.0255 0.0288
09:01-10:00, Sat., 11 Mar. 0.0311 0.0255 0.0291
08:01-09:00, Sat., 11 Mar. 0.0312 0.0272 0.0291
07:01-08:00, Sat., 11 Mar. 0.0322 0.0266 0.0290
06:01-07:00, Sat., 11 Mar. 0.0315 0.0264 0.0290
05:01-06:00, Sat., 11 Mar. 0.0308 0.0266 0.0286
04:01-05:00, Sat., 11 Mar. 0.0309 0.0262 0.0285
03:01-04:00, Sat., 11 Mar. 0.0304 0.0262 0.0284
02:01-03:00, Sat., 11 Mar. 0.0309 0.0262 0.0282
01:01-02:00, Sat., 11 Mar. 0.0309 0.0260 0.0282
00:01-01:00, Sat., 11 Mar. 0.0308 0.0262 0.0285
23:01-24:00, Fri., 10 Mar. 0.0308 0.0259 0.0284
22:01-23:00, Fri., 10 Mar. 0.0305 0.0264 0.0283
21:01-22:00, Fri., 10 Mar. 0.0302 0.0264 0.0283
20:01-21:00, Fri., 10 Mar. 0.0308 0.0262 0.0282
19:01-20:00, Fri., 10 Mar. 0.0316 0.0259 0.0284
18:01-19:00, Fri., 10 Mar. 0.0307 0.0266 0.0284
17:01-18:00, Fri., 10 Mar. 0.0308 0.0263 0.0284
16:01-17:00, Fri., 10 Mar. 0.0308 0.0263 0.0281
15:01-16:00, Fri., 10 Mar. 0.0304 0.0263 0.0283
14:01-15:00, Fri., 10 Mar. 0.0304 0.0259 0.0279
13:01-14:00, Fri., 10 Mar. 0.0301 0.0261 0.0278
12:01-13:00, Fri., 10 Mar. 0.0297 0.0252 0.0275
11:01-12:00, Fri., 10 Mar. 0.0298 0.0262 0.0281
10:01-11:00, Fri., 10 Mar. 0.0302 0.0257 0.0279
09:01-10:00, Fri., 10 Mar. 0.0298 0.0259 0.0280
08:01-09:00, Fri., 10 Mar. 0.0301 0.0269 0.0284
07:01-08:00, Fri., 10 Mar. 0.0317 0.0270 0.0296
06:01-07:00, Fri., 10 Mar. 0.0381 0.0308 0.0340
05:01-06:00, Fri., 10 Mar. 0.0390 0.0284 0.0332
04:01-05:00, Fri., 10 Mar. 0.0305 0.0259 0.0281
03:01-04:00, Fri., 10 Mar. 0.0296 0.0249 0.0280
02:01-03:00, Fri., 10 Mar. 0.0298 0.0259 0.0281
01:01-02:00, Fri., 10 Mar. 0.0298 0.0262 0.0277
00:01-01:00, Fri., 10 Mar. 0.0297 0.0262 0.0279
23:01-24:00, Thu., 09 Mar. 0.0303 0.0261 0.0282
22:01-23:00, Thu., 09 Mar. 0.0299 0.0259 0.0279
21:01-22:00, Thu., 09 Mar. 0.0306 0.0266 0.0280
20:01-21:00, Thu., 09 Mar. 0.0302 0.0260 0.0282
19:01-20:00, Thu., 09 Mar. 0.0303 0.0259 0.0285
18:01-19:00, Thu., 09 Mar. 0.0302 0.0269 0.0284
17:01-18:00, Thu., 09 Mar. 0.0306 0.0270 0.0285
16:01-17:00, Thu., 09 Mar. 0.0305 0.0270 0.0287
15:01-16:00, Thu., 09 Mar. 0.0308 0.0270 0.0289
14:01-15:00, Thu., 09 Mar. 0.0300 0.0263 0.0286
09:01-10:00, Thu., 09 Mar. 0.0303 0.0251 0.0282
08:01-09:00, Thu., 09 Mar. 0.0311 0.0264 0.0291
07:01-08:00, Thu., 09 Mar. 0.0314 0.0283 0.0299
06:01-07:00, Thu., 09 Mar. 0.0316 0.0280 0.0297
05:01-06:00, Thu., 09 Mar. 0.0315 0.0281 0.0295
04:01-05:00, Thu., 09 Mar. 0.0318 0.0268 0.0290
03:01-04:00, Thu., 09 Mar. 0.0309 0.0268 0.0286
02:01-03:00, Thu., 09 Mar. 0.0302 0.0265 0.0285
01:01-02:00, Thu., 09 Mar. 0.0310 0.0266 0.0288
00:01-01:00, Thu., 09 Mar. 0.0308 0.0264 0.0285
23:01-24:00, Wed., 08 Mar. 0.0303 0.0255 0.0281
22:01-23:00, Wed., 08 Mar. 0.0302 0.0257 0.0279
21:01-22:00, Wed., 08 Mar. 0.0305 0.0260 0.0278
20:01-21:00, Wed., 08 Mar. 0.0290 0.0255 0.0273
19:01-20:00, Wed., 08 Mar. 0.0290 0.0260 0.0276
18:01-19:00, Wed., 08 Mar. 0.0296 0.0249 0.0275
17:01-18:00, Wed., 08 Mar. 0.0298 0.0253 0.0276
16:01-17:00, Wed., 08 Mar. 0.0292 0.0257 0.0274
15:01-16:00, Wed., 08 Mar. 0.0295 0.0254 0.0276
14:01-15:00, Wed., 08 Mar. 0.0294 0.0249 0.0274
13:01-14:00, Wed., 08 Mar. 0.0296 0.0260 0.0277
12:01-13:00, Wed., 08 Mar. 0.0302 0.0264 0.0279
11:01-12:00, Wed., 08 Mar. 0.0303 0.0260 0.0281
10:01-11:00, Wed., 08 Mar. 0.0308 0.0260 0.0283
09:01-10:00, Wed., 08 Mar. 0.0308 0.0267 0.0291
08:01-09:00, Wed., 08 Mar. 0.0314 0.0278 0.0296
07:01-08:00, Wed., 08 Mar. 0.0323 0.0278 0.0301
06:01-07:00, Wed., 08 Mar. 0.0311 0.0279 0.0295
05:01-06:00, Wed., 08 Mar. 0.0310 0.0273 0.0293
04:01-05:00, Wed., 08 Mar. 0.0329 0.0271 0.0294
03:01-04:00, Wed., 08 Mar. 0.0307 0.0272 0.0290
02:01-03:00, Wed., 08 Mar. 0.0309 0.0266 0.0287
01:01-02:00, Wed., 08 Mar. 0.0311 0.0266 0.0286
00:01-01:00, Wed., 08 Mar. 0.0301 0.0262 0.0280
23:01-24:00, Tue., 07 Mar. 0.0300 0.0259 0.0280
22:01-23:00, Tue., 07 Mar. 0.0290 0.0258 0.0275
21:01-22:00, Tue., 07 Mar. 0.0292 0.0250 0.0274
20:01-21:00, Tue., 07 Mar. 0.0301 0.0253 0.0272
19:01-20:00, Tue., 07 Mar. 0.0294 0.0249 0.0272
18:01-19:00, Tue., 07 Mar. 0.0289 0.0254 0.0271
17:01-18:00, Tue., 07 Mar. 0.0287 0.0257 0.0272
16:01-17:00, Tue., 07 Mar. 0.0294 0.0250 0.0271
15:01-16:00, Tue., 07 Mar. 0.0297 0.0253 0.0272
14:01-15:00, Tue., 07 Mar. 0.0295 0.0252 0.0273
13:01-14:00, Tue., 07 Mar. 0.0290 0.0250 0.0273
12:01-13:00, Tue., 07 Mar. 0.0302 0.0255 0.0278
11:01-12:00, Tue., 07 Mar. 0.0306 0.0261 0.0282
10:01-11:00, Tue., 07 Mar. 0.0297 0.0264 0.0280
09:01-10:00, Tue., 07 Mar. 0.0309 0.0263 0.0290
08:01-09:00, Tue., 07 Mar. 0.0325 0.0287 0.0301
07:01-08:00, Tue., 07 Mar. 0.0318 0.0282 0.0302
06:01-07:00, Tue., 07 Mar. 0.0331 0.0281 0.0299
05:01-06:00, Tue., 07 Mar. 0.0318 0.0281 0.0299
04:01-05:00, Tue., 07 Mar. 0.0314 0.0279 0.0294
03:01-04:00, Tue., 07 Mar. 0.0319 0.0280 0.0296
02:01-03:00, Tue., 07 Mar. 0.0312 0.0273 0.0293
01:01-02:00, Tue., 07 Mar. 0.0310 0.0263 0.0288
00:01-01:00, Tue., 07 Mar. 0.0308 0.0264 0.0282
23:01-24:00, Mon., 06 Mar. 0.0306 0.0266 0.0282
22:01-23:00, Mon., 06 Mar. 0.0294 0.0254 0.0276
21:01-22:00, Mon., 06 Mar. 0.0292 0.0254 0.0273
20:01-21:00, Mon., 06 Mar. 0.0299 0.0257 0.0271
19:01-20:00, Mon., 06 Mar. 0.0289 0.0250 0.0269
18:01-19:00, Mon., 06 Mar. 0.0288 0.0251 0.0270
17:01-18:00, Mon., 06 Mar. 0.0283 0.0254 0.0269
16:01-17:00, Mon., 06 Mar. 0.0287 0.0255 0.0270
15:01-16:00, Mon., 06 Mar. 0.0288 0.0246 0.0270
14:01-15:00, Mon., 06 Mar. 0.0294 0.0254 0.0270
13:01-14:00, Mon., 06 Mar. 0.0293 0.0254 0.0273
12:01-13:00, Mon., 06 Mar. 0.0297 0.0255 0.0275
11:01-12:00, Mon., 06 Mar. 0.0297 0.0256 0.0278
10:01-11:00, Mon., 06 Mar. 0.0304 0.0261 0.0281
09:01-10:00, Mon., 06 Mar. 0.0305 0.0272 0.0287
08:01-09:00, Mon., 06 Mar. 0.0300 0.0258 0.0282
07:01-08:00, Mon., 06 Mar. 0.0297 0.0265 0.0282
06:01-07:00, Mon., 06 Mar. 0.0306 0.0273 0.0290
05:01-06:00, Mon., 06 Mar. 0.0310 0.0269 0.0287
04:01-05:00, Mon., 06 Mar. 0.0312 0.0274 0.0290
03:01-04:00, Mon., 06 Mar. 0.0319 0.0272 0.0291
02:01-03:00, Mon., 06 Mar. 0.0312 0.0268 0.0291
01:01-02:00, Mon., 06 Mar. 0.0326 0.0275 0.0303
00:01-01:00, Mon., 06 Mar. 0.0324 0.0283 0.0304