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<p>Air pollution is a major environmental health risk, yet its cognitive impact remains under-recognised. Evidence links short- and long-term fine particulate matter (PM<sub>2.5</sub>) exposure to reduced cognitive performance and intelligence quotient (IQ). We estimate global PM<sub>2.5</sub>-related IQ losses of 65 billion points, disproportionately affecting low- and lower-middle-income countries. Current air quality standards may not protect neurological health; this threat to global intellect requires nuanced regulation, targeted mitigation, and cross-sectoral policy.</p>

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Reframing air pollution as a cognitive and socioeconomic risk

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年3月9日

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  • Thomas Faherty,
  • Laura-Jayne A. Ellis-Bradford,
  • Helen Onyeaka,
  • Roy M. Harrison,
  • Francis D. Pope

摘要

Air pollution is a major environmental health risk, yet its cognitive impact remains under-recognised. Evidence links short- and long-term fine particulate matter (PM2.5) exposure to reduced cognitive performance and intelligence quotient (IQ). We estimate global PM2.5-related IQ losses of 65 billion points, disproportionately affecting low- and lower-middle-income countries. Current air quality standards may not protect neurological health; this threat to global intellect requires nuanced regulation, targeted mitigation, and cross-sectoral policy.