Exploring the impact of urban emissions on elevated HONO in Suburban Mountain Areas

Key Points

• Elevated HONO levels have been detected, suggesting significant impacts from urban emissions.
• HONO concentrations were measured and found to exceed expected levels, indicating pollution concerns.
• Observational analysis in suburban mountain areas highlights the role of urban emissions in air quality degradation.
• Findings underscore the need for monitoring urban emissions to mitigate air quality issues in these regions.