Atom | RFA 24-2: Insights into the Health Effects of Exposure to Low Concentrations of Particulate Matter

Funder: Health Effects Institute

Due Dates (Anticipated): October 2025 (Applicant Webinar) | November 2025 (Preliminary Application) | February 2026 (Full Application)

Funding Amounts: Up to 3 studies funded; total budget $2.5 million for the program; typical individual awards expected in the $600,000–$900,000 range over 2–3 years.

Summary: Supports research to clarify the health effects of low-level particulate matter exposure in the US, focusing on biological plausibility and heterogeneity.

Key Information: Studies must clearly articulate relevance to US human health effects of PM; preliminary applications are required and full applications are by invitation only.

RFA 24-2: Insights into the Health Effects of Exposure to Low Concentrations of Particulate Matter

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