This agreement provides funding to hamilton county (southwest ohio air quality agency) to assist with necessary development, establishment, and maintenance of adequate monitoring programs for the…

EPA Region 5 awarded Hamilton County, Ohio $298,596 on April 1, 2026, to conduct ambient air quality monitoring of fine particulate matter (PM2.5) under CFDA 66.034, Surveys, Studies, Research, Investigations, Demonstrations, and Special Purpose Activities Relating to the Clean Air Act.

Hamilton County, operating through its Southwest Ohio Air Quality Agency, will operate 12 continuous monitoring units, participate in EPA technical systems audits, and operate one chemical speciation site. The county will collect PM2.5 concentrations, provide PM2.5 air data to the public in a timely manner, and submit results to EPA's National Air Quality Database. Deliverables include an annual monitoring plan submitted to Ohio EPA, an annual monitoring data certification letter, and continued operation of PM2.5 continuous monitors. The work is intended to increase knowledge regarding the character and extent of PM2.5 in ambient air and achieve reduced PM2.5 concentrations and compliance with the PM2.5 National Ambient Air Quality Standards under the Clean Air Act. Residents of Hamilton County, Ohio are the intended beneficiaries.

The period of performance runs from April 1, 2026, through March 31, 2028. No sub-awards are included in this assistance agreement. Place of performance is Ohio.

This agreement provides funding to hamilton county (southwest ohio air quality agency) to assist with necessary development, establishment, and maintenance of adequate monitoring programs for the prevention and control of air pollution or implementation of national primary and secondary air quality standards. This grant is provided to conduct ambient air quality monitoring of fine particulate matter. Specifically, the recipient will provide PM2.5 air data to the public in a timely manner, collect PM2.5 concentrations, and submit results to EPA's national air quality database. Activities:the activities include the operation of 12 continuous monitoring units, participation in EPA technical systems audits, and the operation of one chemical speciation site. Subrecipient:no subawards are included in this assistance agreement.outcomes:the anticipated deliverables include the submission of an annual monitoring plan to ohio EPA, submission of an annual monitoring data certification letter, and the continued operation of PM2.5 continuous monitors. The expected outcomes include an increase in the knowledge regarding the character and extent of PM2.5 in the ambient air and reduced PM2.5 concentrations and compliance with the PM2.5 national ambient air quality standards as set forth in the clean air act. The intended beneficiaries include residents of hamilton county in ohio.