Characteristics of Pollution in Natural Snowfall and Deposited Snow on Typical Urban Underlying Surfaces in Urumqi, China

Key Points

• Pollution levels in snowfall are notably higher on urban surfaces compared to rural areas, affecting local ecology.
• Concentrations of pollutants were particularly high in snow that accumulated atop paved surfaces, suggesting vehicle emissions play a role.
• Assessment of pollutants included various chemical analyses to establish the pollution characteristics observed in Urumqi.
• Findings underscore the significant environmental implications of urbanization on snowfall and water quality during seasonal changes.