Metropolitan Asunción Air Quality Monitoring: Processed PM2.5 Data with Meteorological Corrections (2019-2021)

This dataset contains processed urban air quality monitoring data from the Metropolitan Area of Asunción, Paraguay, covering the period 2019-2021. The dataset includes hourly PM2.5 concentrations from multiple monitoring stations across the metropolitan region, processed through a comprehensive ETL pipeline. All data have undergone meteorological supplementation via Meteostat API, humidity correction, temporal interpolation, 24-hour averaging, and EPA Air Quality Index (AQI) calculation. The dataset provides high-quality, research-ready air quality data specifically for the Asunción metropolitan area, supporting studies on urban pollution dynamics, environmental policy evaluation, and public health assessments in Paraguay's primary urban center.