Eyes in the Sky: How Satellites Are Revolutionizing Air Quality and Atmospheric Chemistry
Satellites provide global coverage that fills gaps in ground networks, enabling pollution mapping across entire countries or continents. Aura (NASA, 2004) carries the OMI UV–Vis spectrometer to monitor ozone (O3), NO2, SO2, and aerosols from a sun-synchronous low-Earth orbit daily. Sentinel-5P (ESA,
