air pollution atmospheric pollution 26 Air pollution 24 article 24 Argentina 22 air quality 18 urban area 18 priority journal 16 Climatology 10 pollution monitoring 10 urban pollution 10 Air quality 8 Mixing height 8 air monitoring 8 atmosphere 8 atmospheric dispersion 8 climate 8 concentration (parameters) 8 controlled study 8 methodology 8 protein 8 sulfur 8 traffic 8 Air pollution potential 6 Buenos Aires [Federal District] 6 Carbon monoxide 6 Federal District [Argentina] 6 Ozone 6 Particulate Matter 6 South America 6