ArticleNPJ clean air2026
Influence of transboundary wildfire smoke on fine particulate matter concentrations at South Texas border schools.
Article in NPJ clean air, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
Exposure to air pollutants in indoor and outdoor school environments poses significant health risks to children due to their heightened vulnerability. Increasing wildfire frequency has intensified transboundary smoke transport, with border communities among the first to experience associated air quality impacts. While the impacts of wildfires on air quality are increasingly recognized through satellite observations and modeling, ground-based observations remain scarce in under-monitored regions. Low-cost air sensors were deployed across schools in the Roma and Rio Grande City areas of Starr County, along the U.S.-Mexico border, for 146-days from November 2023 to April 2024. The raw sensor measurements were corrected using a collocation-based calibration with a research-grade instrument and analyzed alongside meteorological data, back trajectories, and satellite-derived smoke and fire products. Daily average fine particulate matter concentrations were significantly higher during smoke-impacted days compared with non-smoke periods (
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