India Spatio-Temporal Air Quality Dataset (2023–2025): Monthly Integration of Sentinel-5P, ERA5-Land, and CPCB Monitoring Stations

This dataset provides a harmonized spatio-temporal air quality dataset for India covering January 2023 to December 2025. It integrates monthly atmospheric pollutant observations from Copernicus Sentinel-5P, meteorological variables from ECMWF ERA5-Land, and metadata from 508 CPCB monitoring stations. The repository includes 36 monthly CSV datasets, CPCB station metadata, and a consolidated master dataset, supporting research in air quality monitoring, remote sensing, environmental science, and machine learning.