Georgetown, South Carolina Air Quality
Georgetown has a median AQI of 14, earning an air quality grade of A+ — excellent air quality that ranks better than 97% of US cities. Air quality has remained relatively stable over the past decade. Particulate matter (PM10) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2019, Georgetown recorded 91 good air quality days (99% of monitored days).
Population: 8,565 • County: Georgetown
Current AQI
Quick Facts
| Current AQI | 14 — Good |
| Air Quality Grade | A+ |
| Median AQI (2019) | 14 |
| vs. U.S. Cities | Better than 97% |
| Primary Pollutant | PM10 |
| Unhealthy Days/Year | 0 |
| 10-Year Trend | → Stable |
| 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 Georgetown is sourced from the Coastal Carolina monitoring area, located approximately 35 miles from city center. This EPA-certified station continuously tracks particulate matter (PM10), the primary driver of air quality alerts in this area.
Georgetown 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
Georgetown Median AQI by Year
Annual EPA air quality data for Georgetown — median AQI, day-category breakdown, and primary pollutant per year.
| Year | Median AQI | Good Days | Unhealthy Days | Max AQI | Primary Pollutant |
|---|---|---|---|---|---|
| 2019 | 14 | 91 | — | 52 | PM10 |
| 2018 | 15 | 326 | — | 44 | PM10 |
| 2017 | 15 | 303 | — | 63 | PM10 |
| 2016 | 16 | 309 | — | 62 | PM10 |
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 Georgetown Air Quality
What is the air quality in Georgetown today?
The current AQI in Georgetown is 14, 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 Georgetown getting better or worse?
Air quality in Georgetown has been stable. The median AQI has dropped 2 points (from 16 in 2016 to 14 in 2019).
What is the most common air pollutant in Georgetown?
PM10 is the primary air pollutant in Georgetown, responsible for 92 days (100% of monitored days) in 2019. Particulate matter originates from vehicle exhaust, wildfires, construction, and industrial activity.
How many unhealthy air days does Georgetown have per year?
In 2019, Georgetown recorded 99% good air quality days (91 days) out of 92 monitored days. There were 0 Unhealthy for Sensitive Groups days and 0 Unhealthy days (AQI above 100). The highest single-day AQI recorded was 52.
What air quality grade does Georgetown receive?
Georgetown receives an air quality grade of A+, placing it better than 97% of US cities. This is based on a median AQI of 14 in 2019, with 91 good air quality days. The EPA monitors air quality in this area continuously using certified monitoring stations.
Air Quality Grade
Better than 97% of US cities
Nearby Cities
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National Rankings
See how Georgetown compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Georgetown
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