Measurement results of radiation doses in the air / Measurement results by the day (Chofu)
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 | |
| Sat., 27 Apr.,2024 | 0.0353 | 0.0249 | 0.0287 |
| Fri., 26 Apr.,2024 | 0.0308 | 0.0251 | 0.0278 |
| Thu., 25 Apr.,2024 | 0.0315 | 0.0247 | 0.0276 |
| Wed., 24 Apr.,2024 | 0.0398 | 0.0252 | 0.0309 |
| Tue., 23 Apr.,2024 | 0.0331 | 0.0246 | 0.0279 |
| Mon., 22 Apr.,2024 | 0.0450 | 0.0256 | 0.0314 |
| Sun., 21 Apr.,2024 | 0.0445 | 0.0257 | 0.0314 |
| Sat., 20 Apr.,2024 | 0.0331 | 0.0263 | 0.0292 |
| Fri., 19 Apr.,2024 | 0.0344 | 0.0257 | 0.0291 |
| Thu., 18 Apr.,2024 | 0.0424 | 0.0256 | 0.0301 |
| Wed., 17 Apr.,2024 | 0.0321 | 0.0253 | 0.0283 |
| Tue., 16 Apr.,2024 | 0.0312 | 0.0249 | 0.0279 |
| Mon., 15 Apr.,2024 | 0.0315 | 0.0249 | 0.0281 |
| Sun., 14 Apr.,2024 | 0.0311 | 0.0247 | 0.0278 |
| Sat., 13 Apr.,2024 | 0.0314 | 0.0248 | 0.0277 |
| Fri., 12 Apr.,2024 | 0.0329 | 0.0245 | 0.0278 |
| Thu., 11 Apr.,2024 | 0.0308 | 0.0245 | 0.0275 |
| Wed., 10 Apr.,2024 | 0.0311 | 0.0233 | 0.0272 |
| Tue., 09 Apr.,2024 | 0.0410 | 0.0248 | 0.0306 |
| Mon., 08 Apr.,2024 | 0.0450 | 0.0247 | 0.0281 |
| Sun., 07 Apr.,2024 | 0.0320 | 0.0245 | 0.0281 |
| Sat., 06 Apr.,2024 | 0.0317 | 0.0240 | 0.0279 |
| Fri., 05 Apr.,2024 | 0.0375 | 0.0249 | 0.0288 |
| Thu., 04 Apr.,2024 | 0.0433 | 0.0252 | 0.0291 |
| Wed., 03 Apr.,2024 | 0.0434 | 0.0256 | 0.0329 |
| Tue., 02 Apr.,2024 | 0.0308 | 0.0250 | 0.0278 |
| Mon., 01 Apr.,2024 | 0.0417 | 0.0245 | 0.0292 |
| Sun., 31 Mar.,2024 | 0.0322 | 0.0252 | 0.0283 |
| Sat., 30 Mar.,2024 | 0.0315 | 0.0249 | 0.0282 |
| Fri., 29 Mar.,2024 | 0.0432 | 0.0249 | 0.0330 |
| Thu., 28 Mar.,2024 | 0.0423 | 0.0247 | 0.0291 |
| Wed., 27 Mar.,2024 | 0.0310 | 0.0240 | 0.0273 |
| Tue., 26 Mar.,2024 | 0.0639 | 0.0262 | 0.0395 |
| Mon., 25 Mar.,2024 | 0.0449 | 0.0256 | 0.0325 |
| Sun., 24 Mar.,2024 | 0.0367 | 0.0263 | 0.0297 |
| Sat., 23 Mar.,2024 | 0.0342 | 0.0261 | 0.0290 |
| Fri., 22 Mar.,2024 | 0.0315 | 0.0245 | 0.0282 |
| Thu., 21 Mar.,2024 | 0.0312 | 0.0249 | 0.0282 |
| Wed., 20 Mar.,2024 | 0.0481 | 0.0254 | 0.0306 |
| Tue., 19 Mar.,2024 | 0.0311 | 0.0254 | 0.0281 |
| Mon., 18 Mar.,2024 | 0.0322 | 0.0248 | 0.0282 |
| Sun., 17 Mar.,2024 | 0.0319 | 0.0257 | 0.0286 |
| Sat., 16 Mar.,2024 | 0.0315 | 0.0250 | 0.0284 |
| Fri., 15 Mar.,2024 | 0.0325 | 0.0251 | 0.0284 |
| Thu., 14 Mar.,2024 | 0.0314 | 0.0245 | 0.0279 |
| Wed., 13 Mar.,2024 | 0.0306 | 0.0249 | 0.0277 |
| Tue., 12 Mar.,2024 | 0.0453 | 0.0256 | 0.0327 |
| Mon., 11 Mar.,2024 | 0.0315 | 0.0244 | 0.0278 |
| Sun., 10 Mar.,2024 | 0.0322 | 0.0248 | 0.0280 |
| Sat., 09 Mar.,2024 | 0.0312 | 0.0249 | 0.0283 |
| Fri., 08 Mar.,2024 | 0.0442 | 0.0245 | 0.0318 |
| Thu., 07 Mar.,2024 | 0.0310 | 0.0247 | 0.0276 |
| Wed., 06 Mar.,2024 | 0.0502 | 0.0249 | 0.0351 |
| Tue., 05 Mar.,2024 | 0.0444 | 0.0253 | 0.0323 |
| Mon., 04 Mar.,2024 | 0.0315 | 0.0249 | 0.0284 |
| Sun., 03 Mar.,2024 | 0.0322 | 0.0255 | 0.0283 |
| Sat., 02 Mar.,2024 | 0.0320 | 0.0256 | 0.0284 |
| Fri., 01 Mar.,2024 | 0.0469 | 0.0248 | 0.0312 |
| Thu., 29 Feb.,2024 | 0.0392 | 0.0247 | 0.0290 |
| Wed., 28 Feb.,2024 | 0.0308 | 0.0240 | 0.0274 |
| Tue., 27 Feb.,2024 | 0.0312 | 0.0242 | 0.0275 |
| Mon., 26 Feb.,2024 | 0.0369 | 0.0246 | 0.0282 |
| Sun., 25 Feb.,2024 | 0.0396 | 0.0249 | 0.0316 |
| Sat., 24 Feb.,2024 | 0.0305 | 0.0244 | 0.0273 |
| Fri., 23 Feb.,2024 | 0.0463 | 0.0249 | 0.0341 |
| Thu., 22 Feb.,2024 | 0.0488 | 0.0275 | 0.0359 |
| Wed., 21 Feb.,2024 | 0.0468 | 0.0262 | 0.0343 |
| Tue., 20 Feb.,2024 | 0.0332 | 0.0251 | 0.0283 |
| Mon., 19 Feb.,2024 | 0.0363 | 0.0252 | 0.0296 |
| Sun., 18 Feb.,2024 | 0.0331 | 0.0250 | 0.0285 |
| Sat., 17 Feb.,2024 | 0.0315 | 0.0256 | 0.0281 |
| Fri., 16 Feb.,2024 | 0.0318 | 0.0257 | 0.0286 |
| Thu., 15 Feb.,2024 | 0.0328 | 0.0244 | 0.0288 |
| Wed., 14 Feb.,2024 | 0.0334 | 0.0249 | 0.0294 |
| Tue., 13 Feb.,2024 | 0.0326 | 0.0256 | 0.0287 |
| Mon., 12 Feb.,2024 | 0.0398 | 0.0249 | 0.0286 |
| Sun., 11 Feb.,2024 | 0.0327 | 0.0250 | 0.0287 |
| Sat., 10 Feb.,2024 | 0.0326 | 0.0252 | 0.0286 |
| Fri., 09 Feb.,2024 | 0.0312 | 0.0246 | 0.0279 |
| Thu., 08 Feb.,2024 | 0.0330 | 0.0248 | 0.0287 |
| Wed., 07 Feb.,2024 | 0.0313 | 0.0244 | 0.0272 |
| Tue., 06 Feb.,2024 | 0.0332 | 0.0205 | 0.0260 |
| Mon., 05 Feb.,2024 | 0.0455 | 0.0244 | 0.0343 |
| Sun., 04 Feb.,2024 | 0.0484 | 0.0253 | 0.0328 |
| Sat., 03 Feb.,2024 | 0.0305 | 0.0248 | 0.0279 |
| Fri., 02 Feb.,2024 | 0.0308 | 0.0249 | 0.0281 |
| Thu., 01 Feb.,2024 | 0.0331 | 0.0256 | 0.0293 |
| Wed., 31 Jan.,2024 | 0.0338 | 0.0252 | 0.0292 |
| Tue., 30 Jan.,2024 | 0.0321 | 0.0251 | 0.0288 |
| Mon., 29 Jan.,2024 | 0.0315 | 0.0251 | 0.0283 |
| Sun., 28 Jan.,2024 | 0.0322 | 0.0255 | 0.0286 |
| Sat., 27 Jan.,2024 | 0.0310 | 0.0246 | 0.0280 |
| Fri., 26 Jan.,2024 | 0.0325 | 0.0250 | 0.0284 |
| Thu., 25 Jan.,2024 | 0.0326 | 0.0256 | 0.0288 |
| Wed., 24 Jan.,2024 | 0.0320 | 0.0252 | 0.0288 |
| Tue., 23 Jan.,2024 | 0.0339 | 0.0260 | 0.0291 |
| Mon., 22 Jan.,2024 | 0.0320 | 0.0250 | 0.0280 |
| Sun., 21 Jan.,2024 | 0.0566 | 0.0254 | 0.0375 |
| Sat., 20 Jan.,2024 | 0.0449 | 0.0261 | 0.0311 |
| Fri., 19 Jan.,2024 | 0.0334 | 0.0256 | 0.0292 |
| Thu., 18 Jan.,2024 | 0.0339 | 0.0262 | 0.0299 |
| Wed., 17 Jan.,2024 | 0.0331 | 0.0254 | 0.0289 |
| Tue., 16 Jan.,2024 | 0.0311 | 0.0249 | 0.0281 |
| Mon., 15 Jan.,2024 | 0.0332 | 0.0252 | 0.0295 |
| Sun., 14 Jan.,2024 | 0.0332 | 0.0260 | 0.0289 |
| Sat., 13 Jan.,2024 | 0.0635 | 0.0273 | 0.0326 |
| Fri., 12 Jan.,2024 | 0.0353 | 0.0260 | 0.0304 |
| Thu., 11 Jan.,2024 | 0.0333 | 0.0258 | 0.0290 |
| Wed., 10 Jan.,2024 | 0.0348 | 0.0259 | 0.0305 |
| Tue., 09 Jan.,2024 | 0.0331 | 0.0266 | 0.0297 |
| Mon., 08 Jan.,2024 | 0.0325 | 0.0259 | 0.0291 |
| Sun., 07 Jan.,2024 | 0.0332 | 0.0260 | 0.0298 |
| Sat., 06 Jan.,2024 | 0.0343 | 0.0270 | 0.0304 |
| Fri., 05 Jan.,2024 | 0.0342 | 0.0259 | 0.0297 |
| Thu., 04 Jan.,2024 | 0.0339 | 0.0261 | 0.0295 |
| Wed., 03 Jan.,2024 | 0.0351 | 0.0270 | 0.0309 |
| Tue., 02 Jan.,2024 | 0.0351 | 0.0266 | 0.0295 |
| Mon., 01 Jan.,2024 | 0.0321 | 0.0252 | 0.0283 |
Past data