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Summary

The document details air quality in Nepal from 2016 to 2020, focusing on the Dhangadhi air quality monitoring station, which was established in 2020. It provides data on PM1, PM2.5, PM10, and TSP levels, including their temporal, monthly, seasonal, and diurnal variations, as well as compliance status. The station uses instruments like the GRIMM EDM 180 for measurements. The data shows significant yearly fluctuations in pollutant levels, with the highest and lowest monthly averages reflecting seasonal changes. Compliance status indicates the number of days pollutants exceeded NAAQS guidelines, and a detailed annex provides daily readings for 2020.