Cottageville, South Carolina Air Quality
Cottageville has a median AQI of 26, earning an air quality grade of A+ — excellent air quality that ranks better than 93% of US cities. Air quality has been improving steadily over the past decade, a positive sign for residents. Particulate matter (PM2.5) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2019, Cottageville recorded 7 good air quality days (100% of monitored days).
Population: 1,196 • County: Colleton
Current AQI
Quick Facts
| Current AQI | 17 — Good |
| Air Quality Grade | A+ |
| Median AQI (2019) | 26 |
| vs. U.S. Cities | Better than 93% |
| Primary Pollutant | PM2.5 |
| Unhealthy Days/Year | 0 |
| 10-Year Trend | ↑ Improving |
| Data Source | EPA AQS (historical) · AirNow (live) |
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 Cottageville is sourced from the North Charleston F.S. monitoring area, located approximately 31 miles from city center. This EPA-certified station continuously tracks particulate matter (PM2.5), the primary driver of air quality alerts in this area.
Cottageville 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.
AQI Trend (10 Years)
Air Quality Days by Year
Cottageville Median AQI by Year
Annual EPA air quality data for Cottageville — median AQI, day-category breakdown, and primary pollutant per year.
| Year | Median AQI | Good Days | Unhealthy Days | Max AQI | Primary Pollutant |
|---|---|---|---|---|---|
| 2019 | 26 | 7 | — | 41 | PM2.5 |
| 2018 | 36 | 294 | — | 79 | PM2.5 |
| 2017 | 41 | 263 | — | 84 | PM2.5 |
| 2016 | 39 | 264 | 3 | 153 | PM2.5 |
Source: EPA Air Quality System (AQS) annual summaries. "Unhealthy Days" includes Unhealthy for Sensitive Groups, Unhealthy, Very Unhealthy, and Hazardous categories.
2019 Air Quality Summary
Primary Pollutant Days (2019)
Days when each pollutant was the primary driver of AQI. Learn about pollutants →
Frequently Asked Questions About Cottageville Air Quality
What is the air quality in Cottageville today?
The current AQI in Cottageville is 17, 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.
Is air quality in Cottageville getting better or worse?
Air quality in Cottageville has been improving. The median AQI has dropped 13 points (from 39 in 2016 to 26 in 2019), a positive trend for residents.
What is the most common air pollutant in Cottageville?
PM2.5 is the primary air pollutant in Cottageville, responsible for 7 days (100% of monitored days) in 2019. Particulate matter originates from vehicle exhaust, wildfires, construction, and industrial activity.
How many unhealthy air days does Cottageville have per year?
In 2019, Cottageville recorded 100% good air quality days (7 days) out of 7 monitored days. There were 0 Unhealthy for Sensitive Groups days and 0 Unhealthy days (AQI above 100). The highest single-day AQI recorded was 41.
What air quality grade does Cottageville receive?
Cottageville receives an air quality grade of A+, placing it better than 93% of US cities. This is based on a median AQI of 26 in 2019, with 7 good air quality days. The EPA monitors air quality in this area continuously using certified monitoring stations.
Air Quality Grade
Better than 93% of US cities
Nearby Cities
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National Rankings
See how Cottageville compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Cottageville
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