Louisville's Air Monitoring Network

The APCD annually collects a total of over 30 million data points that are legally defensible and accurately represent Louisville Metro's ambient air conditions. In order to get a fair representation of air quality throughout the county, the APCD currently operates air monitoring sites in five separate locations.
 

 
The monitoring network is evaluated annually to determine if changes to the network are needed. To ensure national consistency in air monitoring data, the U.S. Environmental Protection Agency (EPA) requires that all sites meet certain criteria and that monitors are operated using approved procedures. The table below lists the current air monitoring sites operated by the APCD.
 
Site Name and Location Parameters Monitored Objective(s) of Site Year Est.
Algonquin Parkway, 4201 Algonquin Parkway SO2, VOCs, PM2.5, PM10, Meteorological data Population exposure 1978
Carrithers Middle School, 4320 Billtown Road Ozone, PM2.5 Population Exposure 2018
Cannons Lane, 2730 Cannons Lane Ozone, PM2.5, PM10, SO2, NO2, CO, Meteorological data, PM2.5speciation, Radiation, NOy, PMcoarse, VOCs National Core Monitoring Station, urban scale, population exposure 2009
Durrett Lane (Near Road site), 1517 Durrett Lane NO2, CO, PM2.5 Maximum concentration 2014
Watson Lane Elementary, 7201 Watson Lane Ozone, PM2.5, PM10, SO2, Meteorological data Population exposure 1992


There are additional monitoring sites in the region that are not located in Jefferson County and are operated by either the Indiana Department of Environmental Management (IDEM) or the Kentucky Division for Air Quality (KyDAQ). 

The Kentucky Annual Ambient Air Monitoring Network Plan provides an annual overview of the air monitoring network in Kentucky, including our own monitoring section. This includes location of monitoring sites, sampling and analysis methods, operating schedule, and more.

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