Monitoring Network

The Agency maintains a monitoring network that uses state-of-the-art instruments dedicated to collecting high-quality air quality data. This data determines the compliance status of Southwest Ohio with the National Ambient Air Quality Standards (NAAQS) established by the U.S. EPA. Southwest Ohio is currently in compliance with five of the six NAAQS pollutants.

View the current Local Air Quality Map.

County Monitoring

To determine the air quality in Southwest Ohio, the Agency maintains monitors in five counties; Butler, Clermont, Clinton, Hamilton, and Warren. There are two types of monitors:

  • Continuous monitors: operate constantly and measure ozone, sulfur dioxide, carbon monoxide, oxides of nitrogen and inhalable particulates. The Agency operations 14 continuous monitors in Southwest Ohio.
  • Intermittent monitors: collect airborne particles at 24-hour intervals from nine locations in the area. Air toxics monitoring data is also collected from intermittent monitors at four locations.

Air Quality Monitoring Map (PDF)

Air Quality Monitoring Map (PDF)

Monitoring Locations & Data

View the Data and Trends page for historic data of specific pollutants.

In the following table an X stands for yes.

CodeLocationOzoneSulfur DioxideNitrogen DioxideNitrogen OxideCarbon MonoxideParticulate Matter (10)Particulate Matter 24 Hours (10)Particulate Matter Continuous (2.5)Air ToxinsParticulate Matter Speciation (2.5)Ammonia
ACrawford WoodsXN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A
BMiddletownXN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A
CBataviaXN/AN/AN/AN/AN/AN/AXN/AN/AN/A
DSacred Heart SchoolN/AN/AN/AN/AN/AN/AXN/AN/AN/AN/A
EColerainXXN/AN/AN/AN/AN/AXN/AN/AN/A
FBPGN/AN/AN/AN/AN/AN/AXN/AN/AN/AN/A
GTaftXXXXXXXX
XX
HOhio BellN/AN/AN/AN/AN/AXXN/AN/AN/AN/A
JCarthageN/AN/AN/AN/AN/AXXXXN/AN/A
KSycamoreXN/AN/AN/AN/AN/AN/AXN/AN/AN/A
LLebanonXN/AN/AN/AN/AN/AN/AXN/AN/AN/A
0Lower Price HillN/AN/AN/AN/AN/AN/AXXN/AN/AN/A
QAmandaN/AXN/AN/AN/AXXXXN/AN/A
RYankeeN/AXN/AN/AN/AXXXXN/AN/A
SKibby LaneN/AN/AN/AN/AN/AN/AN/AN/AXN/AN/A
TMADEN/AXN/AN/AN/AN/AN/AN/AN/AN/AN/A
UNear-RoadN/AN/AXN/AXN/AXXN/AN/AN/A