PM2.5 in Louisville, KY
Real-time Fine Particulate Matter monitoring and health recommendations
Current PM2.5 Levels
46
Good
Overall AQI
55
µg/m³
AQI 46
About Fine Particulate Matter
Tiny particles less than 2.5 micrometers that can penetrate deep into lungs and bloodstream.
Measured in µg/m³
Health Impact
Good
Air quality is considered satisfactory, and air pollution poses little or no risk.
Sources of PM2.5
• Vehicle exhaust and combustion engines
• Industrial emissions and manufacturing
• Wildfires and wood burning
• Construction and road dust
Other Pollutants
Full Air Quality Report
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