Lamar, Colorado Air Quality
Lamar has a median AQI of 24, earning an air quality grade of A+ — excellent air quality that ranks better than 92% of US cities. Air quality has been trending worse over the past decade, a concern for local residents and health officials. Particulate matter (PM2.5) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2025, Lamar recorded 193 good air quality days (91% of monitored days).
Population: 7,611 • County: Prowers
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Quick Facts
| Current AQI | 13 — Good |
| Air Quality Grade | A+ |
| Median AQI (2025) | 24 |
| vs. U.S. Cities | Better than 92% |
| Primary Pollutant | PM2.5 |
| Unhealthy Days/Year | 0 |
| 10-Year Trend | ↓ Worsening |
| 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 Lamar Air Quality
What is the air quality in Lamar today?
The current AQI in Lamar is 13, which is rated "Good". Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Lamar getting better or worse?
Air quality in Lamar has been worsening in recent years. The median AQI rose from 17 in 2016 to 24 in 2025.
What is the most common air pollutant in Lamar?
PM2.5 is the primary air pollutant in Lamar, responsible for the most air quality-impacted days in 2025. Particulate matter can originate from vehicle exhaust, wildfires, and industrial emissions.
How many unhealthy air days does Lamar have per year?
In 2025, Lamar had 0 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 193 good days and 16 moderate days out of 211 days monitored.
What air quality grade does Lamar receive?
Lamar receives an air quality grade of A+, placing it better than 92% of US cities. This grade is based on a median AQI of 24 for 2025, derived from EPA monitoring data.
Air Quality Grade
Better than 92% of US cities
Nearby Cities
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National Rankings
See how Lamar compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Lamar
Based on your area's air quality (median AQI: 24), we recommend these air purifiers to help protect your health indoors.
Blueair Blue Pure 211+
High performance for large rooms with simple operation.
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Other Great Options
Honeywell HPA300
Powerful workhorse for large rooms. Built to last.
Dyson Pure Cool TP04
Premium all-in-one air purifier and fan with advanced features.
Molekule Air Pro
Commercial-grade with patented PECO technology for destroying pollutants.
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Read our complete buying guide →