Rangely, Colorado Air Quality
Rangely has a median AQI of 46, earning an air quality grade of B+ — good air quality that ranks better than 25% 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 2024, Rangely recorded 266 good air quality days (73% of monitored days) and 4 unhealthy days.
Population: 2,466 • County: Rio Blanco
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Quick Facts
| Current AQI | 14 — Good |
| Air Quality Grade | B+ |
| Median AQI (2024) | 46 |
| vs. U.S. Cities | Better than 25% |
| Primary Pollutant | Ozone |
| Unhealthy Days/Year | 4 |
| 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
2024 Air Quality Summary
Primary Pollutant Days (2024)
Days when each pollutant was the primary driver of AQI. Learn about pollutants →
Frequently Asked Questions About Rangely Air Quality
What is the air quality in Rangely today?
The current AQI in Rangely is 14, which is rated "Good". Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Rangely getting better or worse?
Air quality in Rangely has remained relatively stable over the past decade, with a median AQI of around 46.
What is the most common air pollutant in Rangely?
Ozone is the primary air pollutant in Rangely, responsible for the most air quality-impacted days in 2024. Ground-level ozone forms when sunlight reacts with vehicle and industrial emissions on warm days.
How many unhealthy air days does Rangely have per year?
In 2024, Rangely had 4 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 266 good days and 96 moderate days out of 366 days monitored.
What air quality grade does Rangely receive?
Rangely receives an air quality grade of B+, placing it better than 25% of US cities. This grade is based on a median AQI of 46 for 2024, derived from EPA monitoring data.
Air Quality Grade
Better than 25% of US cities
Nearby Cities
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National Rankings
See how Rangely compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Rangely
Based on your area's air quality (median AQI: 46), we recommend these air purifiers to help protect your health indoors.
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