Original ResearchPublished 21 August 2026Analysis of atmospheric air pollutants (CO, NO 2, and SO 2), through Sentinel-5P images in google earth engine, apurimac region, period 2020–2023Walquer Huacani Calsin · Hernán Yari · Edgar Vilca · German Espinoza · Franklin LozanoFrontiers in Remote Sensingdoi 10.3389/frsen.2026.1894138