Mount Vernon, Kentucky Air Quality

Real-time air quality index (AQI) and pollution data

Population: 2,398 • County: Rockcastle

18
Good

Current AQI

Quick Facts

Current AQI18Good
Air Quality GradeN/A
Data SourceEPA AQS (historical) · AirNow (live)

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

Loading forecast...

Last 90 Days

Loading recent data...

Current Pollutant Levels

PM2.5
18
Good

Real-time data from EPA AirNow

Local Air Quality Context

Air quality data for Mount Vernon is sourced from the SOMERST monitoring area, located approximately 24 miles from city center. This EPA-certified station continuously tracks particulate matter (PM2.5), the primary driver of air quality alerts in this area.

Mount Vernon has relatively consistent air quality throughout the year without a strong seasonal peak. Air quality is primarily influenced by local traffic, industrial activity, and regional weather patterns rather than a single seasonal driver.

Frequently Asked Questions About Mount Vernon Air Quality

What is the air quality in Mount Vernon today?

The current AQI in Mount Vernon is 18, rated "Good". Air quality is good — outdoor activity is safe for everyone today. Air quality is satisfactory, and air pollution poses little or no risk.

Air Quality Grade

N/A

Better than 0% of US cities

Get AQI Alerts

Receive notifications when air quality changes in Mount Vernon

National Rankings

See how Mount Vernon compares to every other US city by air quality.

Most Polluted Cities →All city rankings