South Sioux City, Nebraska Air Quality
Real-time air quality index (AQI) and pollution data
Population: 13,907 • County: Dakota
Current AQI
Health Recommendation
Air quality is satisfactory, and air pollution poses little or no risk.
It's a great day to be active outside!
5-Day AQI Forecast
Last 90 Days
Current Pollutant Levels
Real-time data from EPA AirNow
Local Air Quality Context
Air quality data for South Sioux City is sourced from the WTN2 monitoring area, located approximately 15 miles from city center. This EPA-certified station continuously tracks particulate matter (PM2.5), the primary driver of air quality alerts in this area.
South Sioux City has relatively consistent air quality throughout the year without a strong seasonal peak. Air quality is primarily influenced by local traffic, industrial activity, and regional weather patterns rather than a single seasonal driver.
Frequently Asked Questions About South Sioux City Air Quality
What is the air quality in South Sioux City today?
The current AQI in South Sioux City is 18, rated "Good". Air quality is good — outdoor activity is safe for everyone today. Air quality is satisfactory, and air pollution poses little or no risk.
Air Quality Grade
Better than 0% of US cities
Nearby Cities
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National Rankings
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