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Summary

The report showed that the air quality in Ratnapark, Kathmandu, from 2016 to 2022 has shown significant variability, influenced by factors such as rapid urbanization, vehicular emissions, and industrial activities. The data indicates that particulate matter (PM2.5) levels have consistently been above the World Health Organization's (WHO) recommended limits, often reaching unhealthy levels, particularly during the winter months. These elevated levels pose serious health risks to residents, contributing to respiratory and cardiovascular diseases. Efforts to improve air quality have included in the report as policy measures and public awareness campaigns, but challenges remain due to the growing population and economic activities in the area​.