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<p>Elevated anthropogenic emissions over cities are said to form distinct pollution domes. Here, we characterize them, exploring their general patterns for 141 Indian cities using satellite-retrieved aerosol optical depth data from 2003 to 2020. We show the existence of a distinct north-south pollution dome pattern across the Indian cities, with the domes for the highly polluted northern cities generally punctured due to regional or long-range transported aerosols, especially dust. Our study highlights the significant role of large-scale circulation and the requirement for synergistic regional and local aerosol pollution mitigation measures for clean air and urban sustainability.</p><p></p>

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Transported dust modulates aerosol pollution domes over rapidly urbanizing Indian cities

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年7月16日

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  • Soumya Satyakanta Sethi,
  • V. Vinoj

摘要

Elevated anthropogenic emissions over cities are said to form distinct pollution domes. Here, we characterize them, exploring their general patterns for 141 Indian cities using satellite-retrieved aerosol optical depth data from 2003 to 2020. We show the existence of a distinct north-south pollution dome pattern across the Indian cities, with the domes for the highly polluted northern cities generally punctured due to regional or long-range transported aerosols, especially dust. Our study highlights the significant role of large-scale circulation and the requirement for synergistic regional and local aerosol pollution mitigation measures for clean air and urban sustainability.