Red Feather Lakes, Colorado Air Quality
Red Feather Lakes has a median AQI of 54, earning an air quality grade of B — good air quality that ranks better than 5% 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, Red Feather Lakes recorded 110 good air quality days (40% of monitored days) and 11 unhealthy days.
Population: 365 • County: Larimer
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Quick Facts
| Current AQI | 2 — Good |
| Air Quality Grade | B |
| Median AQI (2025) | 54 |
| vs. U.S. Cities | Better than 5% |
| Primary Pollutant | Ozone |
| Unhealthy Days/Year | 11 |
| 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 Red Feather Lakes Air Quality
What is the air quality in Red Feather Lakes today?
The current AQI in Red Feather Lakes is 2, which is rated "Good". Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Red Feather Lakes getting better or worse?
Air quality in Red Feather Lakes has remained relatively stable over the past decade, with a median AQI of around 54.
What is the most common air pollutant in Red Feather Lakes?
Ozone is the primary air pollutant in Red Feather Lakes, 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 Red Feather Lakes have per year?
In 2025, Red Feather Lakes had 11 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 110 good days and 153 moderate days out of 274 days monitored.
What air quality grade does Red Feather Lakes receive?
Red Feather Lakes receives an air quality grade of B, placing it better than 5% of US cities. This grade is based on a median AQI of 54 for 2025, derived from EPA monitoring data.
Air Quality Grade
Better than 5% of US cities
Nearby Cities
Protect Your Health
With a median AQI of 54, indoor air purification is recommended
See Recommended Purifiers ↓Get AQI Alerts
Receive notifications when air quality changes in Red Feather Lakes
National Rankings
See how Red Feather Lakes compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Red Feather Lakes
Based on your area's air quality (median AQI: 54), we recommend these air purifiers to help protect your health indoors.
Honeywell HPA300
Powerful workhorse for large rooms. Built to last.
- ✓Perfect room size match
- ✓Recommended for your air quality
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Other Great Options
Blueair Blue Pure 211+
High performance for large rooms with simple operation.
RabbitAir MinusA2
Stylish wall-mountable design with customizable artwork panels.
Molekule Air Pro
Commercial-grade with patented PECO technology for destroying pollutants.
Not sure which air purifier is right for you?
Learn more about different types of air purifiers and how to choose the best one for your needs.
Read our complete buying guide →