Hartford, Connecticut Air Quality
Real-time air quality index (AQI) and pollution data
Population: 990,793 • County: Capitol
Current AQI
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 90 Days
Current Pollutant Levels
Real-time data from EPA AirNow
Local Air Quality Context
Air quality data for Hartford is sourced from the Hartford monitoring area, located approximately 0 miles from city center. This EPA-certified station continuously tracks particulate matter (PM2.5), the primary driver of air quality alerts in this area.
Major roadways in the area include I-84, I-91, I-384, CT-2, and CT-9. Heavy vehicle traffic on these corridors is a primary source of nitrogen dioxide, carbon monoxide, and fine particulate matter (PM2.5).
Key local pollution sources include vehicle traffic, upwind NY and NJ emissions, Connecticut River valley inversions, and manufacturing.
Frequently Asked Questions About Hartford Air Quality
What is the air quality in Hartford today?
The current AQI in Hartford is 12, 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
Better than 0% of US cities
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National Rankings
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