---
title: "UMD Study: 2023 Canadian Wildfires Left Chemical Traces in Maryland Months Later"
date: 2025-12-09T15:42:00-05:00
author: University of Maryland
canonical_url: "https://today.umd.edu/briefs/umd-study-2023-canadian-wildfires-left-chemical-traces-in-maryland-months-later"
section: Briefs
---
- August 23, 2026