Slide from a Puget Sound Clean Air Agency 'Air Quality Programs – UFP' presentation (October 2024) showing a scatter plot of PM2.5 (µg/m³) versus Particle Number Concentration (PNC, particles/cm³) at roadside and urban background sites worldwide, based on De Jesus et al., 2019. The slide notes the relationship is not linear based on yearly averages, with cities including Toronto (YYZ), Helsinki (HEL), Barcelona (BCN), London (LON), Brisbane (BNE), Milan (MIL), Los Angeles (LA), Shanghai (SHA), and Nanjing (NKG) plotted.Open full document
Notes
Slide from a Puget Sound Clean Air Agency ‘Air Quality Programs – UFP’ presentation (October 2024) showing a scatter plot of PM2.5 (µg/m³) versus Particle Number Concentration (PNC, particles/cm³) at roadside and urban background sites worldwide, based on De Jesus et al., 2019. The slide notes the relationship is not linear based on yearly averages, with cities including Toronto (YYZ), Helsinki (HEL), Barcelona (BCN), London (LON), Brisbane (BNE), Milan (MIL), Los Angeles (LA), Shanghai (SHA), and Nanjing (NKG) plotted.
