Georgetown, Colorado Air Quality
Georgetown has a median AQI of 48, earning an air quality grade of B+ — good air quality that ranks better than 17% of US cities. Air quality has remained relatively stable over the past decade. Ground-level ozone is the primary concern, typically peaking on warm sunny days due to vehicle and industrial emissions. In 2025, Georgetown recorded 172 good air quality days (64% of monitored days).
Population: 1,053 • County: Clear Creek
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Quick Facts
| Current AQI | 16 — Good |
| Air Quality Grade | B+ |
| Median AQI (2025) | 48 |
| vs. U.S. Cities | Better than 17% |
| Primary Pollutant | Ozone |
| Unhealthy Days/Year | 0 |
| 10-Year Trend | → Stable |
| Data Source | EPA AirNow |
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 30 Days
Current Pollutant Levels
Real-time data from EPA AirNow
AQI Trend (10 Years)
Air Quality Days by Year
2025 Air Quality Summary
Primary Pollutant Days (2025)
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 16, which is rated "Good". 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 remained relatively stable over the past decade, with a median AQI of around 48.
What is the most common air pollutant in Georgetown?
Ozone is the primary air pollutant in Georgetown, responsible for the most air quality-impacted days in 2025. Ground-level ozone forms when sunlight reacts with vehicle and industrial emissions on warm days.
How many unhealthy air days does Georgetown have per year?
In 2025, Georgetown had 0 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 172 good days and 95 moderate days out of 267 days monitored.
What air quality grade does Georgetown receive?
Georgetown receives an air quality grade of B+, placing it better than 17% of US cities. This grade is based on a median AQI of 48 for 2025, derived from EPA monitoring data.
Air Quality Grade
Better than 17% 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
Based on your area's air quality (median AQI: 48), we recommend these air purifiers to help protect your health indoors.
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Molekule Air Pro
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Blueair Blue Pure 211+
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Dyson Pure Cool TP04
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