Argentina 10 air monitoring 10 Air pollution 8 air pollution 8 air quality 8 atmospheric pollution 8 Air quality 6 Carbon monoxide 6 article 6 carbon monoxide 6 concentration (parameters) 6 conference paper 6 urban area 6 Air quality monitoring 4 Buenos Aires 4 Environmental Monitoring 4 Street canyon 4 Urban air pollution 4 air pollutant 4 exhaust gas 4 methodology 4 model 4 nitrogen oxide 4 numerical model 4 ozone 4 pollution monitoring 4 priority journal 4 traffic 4 traffic emission 4 urban atmosphere 4