Long-dismissed gas emerges as a hidden driver of urban air pollution

PHYSorg
Jun 22, 2026, 5:30 pm125 ptsTrending
Researchers from Tampere University and the University of Helsinki have identified an unexpected chemical process that may influence the formation of air pollution particles in urban environments. The study shows that nitric oxide (NO)—a pollutant primarily emitted by vehicles, power plants and other…

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