Lochbuie, Colorado Air Quality
Lochbuie has a median AQI of 52, earning an air quality grade of B — good air quality that ranks better than 10% 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, Lochbuie recorded 117 good air quality days (43% of monitored days) and 6 unhealthy days.
Population: 8,609 • County: Weld
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Quick Facts
| Current AQI | 45 — Good |
| Air Quality Grade | B |
| Median AQI (2025) | 52 |
| vs. U.S. Cities | Better than 10% |
| Primary Pollutant | Ozone |
| Unhealthy Days/Year | 6 |
| 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 Lochbuie Air Quality
What is the air quality in Lochbuie today?
The current AQI in Lochbuie is 45, which is rated "Good". Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Lochbuie getting better or worse?
Air quality in Lochbuie has remained relatively stable over the past decade, with a median AQI of around 52.
What is the most common air pollutant in Lochbuie?
Ozone is the primary air pollutant in Lochbuie, 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 Lochbuie have per year?
In 2025, Lochbuie had 6 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 117 good days and 151 moderate days out of 274 days monitored.
What air quality grade does Lochbuie receive?
Lochbuie receives an air quality grade of B, placing it better than 10% of US cities. This grade is based on a median AQI of 52 for 2025, derived from EPA monitoring data.
Air Quality Grade
Better than 10% of US cities
Nearby Cities
Protect Your Health
With a median AQI of 52, indoor air purification is recommended
See Recommended Purifiers ↓Get AQI Alerts
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National Rankings
See how Lochbuie compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Lochbuie
Based on your area's air quality (median AQI: 52), we recommend these air purifiers to help protect your health indoors.
Honeywell HPA300
Powerful workhorse for large rooms. Built to last.
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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?
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Read our complete buying guide →