Air Quality Basics

The pages below provide basic information on common pollutants and the tools used to communicate health-based air quality information. 
 

Air Quality Index
Air Quality Index

The primary tool used to convey air quality conditions and their impact on human health. 

Downtown Louisville Sky
Air Quality Forecasts

The APCD works collaboratively with the Indiana Department of Environmental Management (IDEM) to forecast common air pollutants in Louisville. 
 

Air Quality Alert Warning
Air Quality Alerts

When air quality is expected to be unhealthy, an air quality alert is issued to allow resident to take action to protect themselves and reduce their own emissions.

Sunny Day in Louisville
Ozone Pollution

One of Louisville's most common air pollutants, especially on warm, hot, dry, and still summer days. 

Vehicle with Metro Logo in a parking lot with trees
Odors

Odors can have a significant impact on quality of life. Reporting odors supports APCD's efforts to address and proactively monitor for odor issues.

The words clearing the air in a logo
Clearing the Air Workshop Series

These workshops cover a wide range of air quality topics and provide an opportunity to connect with and ask questions of APCD staff. 

 

 

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