Big Stone City, South Dakota Air Quality
Real-time air quality index (AQI) and pollution data
Population: 706 • County: Grant
Current AQI
Quick Facts
| Current AQI | 51 — Moderate |
| Air Quality Grade | N/A |
| Data Source | EPA AQS (historical) · AirNow (live) |
Health Recommendation
Air quality is acceptable. However, there may be a risk for some people who are unusually sensitive to air pollution.
Unusually sensitive people should consider reducing prolonged or heavy outdoor exertion.
5-Day AQI Forecast
Last 90 Days
Current Pollutant Levels
Real-time data from EPA AirNow
Local Air Quality Context
Air quality data for Big Stone City is sourced from the Marshall monitoring area, located approximately 66 miles from city center. This EPA-certified station continuously tracks particulate matter (PM2.5), the primary driver of air quality alerts in this area.
Big Stone 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 Big Stone City Air Quality
What is the air quality in Big Stone City today?
The current AQI in Big Stone City is 51, rated "Moderate". Air quality is moderate — unusually sensitive individuals may want to limit prolonged outdoor exertion. Air quality is acceptable. However, there may be a risk for some people who are unusually sensitive to air pollution.
Air Quality Grade
Better than 0% of US cities
Nearby Cities
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National Rankings
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