WeatherAI Analysis: Sumter County is currently partly cloudy at 29°C. Precipitation is likely — peak probability 69% around 4 PM. Atmospheric instability is elevated (CAPE up to 1889 J/kg) — isolated convective development possible. Sunrise: 5:46AM · Sunset: 8:03PM.
Air quality is satisfactory and poses little or no health risk.
The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.