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View article: Ozone pollution: a persistent challenge in large cities like Mexico City, Los Angeles and Beijing
Ozone pollution: a persistent challenge in large cities like Mexico City, Los Angeles and Beijing Open
Over the past decade or so, many large cities around the world have made little to no progress in lowering ground-level ozone concentrations, despite significant reductions in key precursor pollutants directly emitted into the atmosphere. …
View article: Machine-Learning Models for Surface Ozone Forecast in Mexico City
Machine-Learning Models for Surface Ozone Forecast in Mexico City Open
Mexico City frequently experiences high near-surface ozone concentrations, and exposure to elevated near-surface ozone causes harmful effects to the inhabitants and the environment of Mexico City. This necessitates developing models for Me…
View article: Application of Three Machine Learning Models for a Severe Ozone Episode in Mexico City 
Application of Three Machine Learning Models for a Severe Ozone Episode in Mexico City  Open
Mexico City due to its specific topography and strong ozone precursors emissions often faces high surface ozone concentrations which negatively impact the dwellers and the environment of Mexico City. This necessitates developing models wit…
View article: Air Quality in Mexico-City: Emissions, Transport, and Chemical Transformation
Air Quality in Mexico-City: Emissions, Transport, and Chemical Transformation Open
During the period March 12-17, 2016, Mexico-City experienced its most severe smog episode since 2007. The Metropolitan Index of Air Quality (IMECA) for Mexico-City surpassed the value of 200, indicating an extremely bad situation. Hourly p…
View article: Box-Modelling of O3 and its sensitivity towards VOCs and NOx in Mexico City under altered emission conditions
Box-Modelling of O3 and its sensitivity towards VOCs and NOx in Mexico City under altered emission conditions Open
Volatile organic compounds (VOCs) data and other inorganic pollutants, in conjunction with surface meteorological data and planetary boundary layer height (PBLH) were collected at an urban site in Mexico City continuously from 6 to 18 Marc…
View article: Investigating the Complexities of VOC Sources in Mexico City in the Years 2016–2022
Investigating the Complexities of VOC Sources in Mexico City in the Years 2016–2022 Open
Volatile organic compounds (VOCs) are major ingredients of photochemical smog. It is essential to know the spatial and temporal variation of VOC emissions. In this study, we used the Positive Matrix Factorization (PMF) model for VOC source…
View article: Investigating the Complexities of VOC Pollution in Mexico City: A Source Apportionment Approach
Investigating the Complexities of VOC Pollution in Mexico City: A Source Apportionment Approach Open
In this study we analyze an air quality data set, which was collected in the vicinity of the center of Mexico City during the ozone season from March to May 2016. It includes 33 volatile organic compounds (VOCs), nitrogen oxide (NO), nitro…
View article: Air Quality and Atmospheric Emissions from the Operation of the Main Mexican Port in the Gulf of Mexico from 2019 to 2020
Air Quality and Atmospheric Emissions from the Operation of the Main Mexican Port in the Gulf of Mexico from 2019 to 2020 Open
Pollutant emissions into the atmosphere derived from port activities can be transported to surrounding regions and cities depending on wind speed and direction, having an impact on air quality. In this research, emissions of atmospheric po…
View article: Nitrogen and sulfur compounds in ambient air and in wet atmospheric deposition at Mexico city metropolitan area
Nitrogen and sulfur compounds in ambient air and in wet atmospheric deposition at Mexico city metropolitan area Open
Mexico City Metropolitan Area (MCMA), one of the most populous cities in the world, has historically represented a challenge in terms of air pollution. Particulates and sulfur dioxide. (SO2) were identified as the main atmospheric pollutan…
View article: Aerosol optical properties and brown carbon in Mexico City
Aerosol optical properties and brown carbon in Mexico City Open
65–74% of light extinction is due to light scattering in Mexico City. Organic aerosols dominate both submicron mass loading and light scattering. Brown carbon and black carbon contribute 22% and 78% to the total light absorption, respectiv…
View article: It is time for a new intensive air quality field campaign in Mexico City
It is time for a new intensive air quality field campaign in Mexico City Open
Air quality policies based on scientific information have proved to be effective for controlling air pollution and protecting public health. Intensive field studies provide knowledge that combined to data from emission inventories and air …
View article: It is time for a new intensive air quality field campaign in Mexico City
It is time for a new intensive air quality field campaign in Mexico City Open
Air quality policies based on scientific information have proved to be effective for controlling air pollution and protecting public health. Intensive field studies provide knowledge that combined to data from emission inventories and air …
View article: Experience from Integrated Air Quality Management in the Mexico City Metropolitan Area and Singapore
Experience from Integrated Air Quality Management in the Mexico City Metropolitan Area and Singapore Open
More than half of the world’s population now lives in cities as a result of unprecedented urbanization during the second half of the 20th century. The urban population is projected to increase to 68% by 2050, with most of the increase occu…
View article: A Multiscale Analysis of the Tropospheric and Stratospheric Mechanisms Leading to the March 2016 Extreme Surface Ozone Event in Mexico City
A Multiscale Analysis of the Tropospheric and Stratospheric Mechanisms Leading to the March 2016 Extreme Surface Ozone Event in Mexico City Open
This study analyzed the physical mechanisms behind a multiday high surface ozone (O 3 ) event in Mexico City in March 2016. In early March, a strong zonal jet stream over the Pacific Ocean amplified and underwent wave breaking. An unusual …
View article: Fireworks: A major source of inorganic and organic aerosols during Christmas and New Year in Mexico city
Fireworks: A major source of inorganic and organic aerosols during Christmas and New Year in Mexico city Open
The fireworks activity in Christmas and New Year is the culprit of a substantial increase in the particles pollution during those festivity dates in Mexico City. The fireworks' thrilling explosions fill the air with small particles full of…
View article: Ultrafine Particles in Mexico City Metropolitan Area: a review
Ultrafine Particles in Mexico City Metropolitan Area: a review Open
Mexico City Metropolitan Area (MCMA), once identified as the most polluted city in the world few decades ago is now a history of success in terms of air quality. As a result of a series of air quality actions implemented over the last 25 y…
View article: Seasonal changes in the PM1 chemical composition north of Mexico City
Seasonal changes in the PM1 chemical composition north of Mexico City Open
"An Aerodyne Aerosol Chemical Speciation Monitor (ACSM; Aerodyne Inc.) was deployed at a site north of Mexico City from November 13, 2013 to April 30, 2014 to investigate the seasonal variability of the chemical composition of submicron pa…
View article: Comparison of Ozone Production Regimes between Two Mexican Cities: Guadalajara and Mexico City
Comparison of Ozone Production Regimes between Two Mexican Cities: Guadalajara and Mexico City Open
Ozone concentrations have been increasing in the Guadalajara Metropolitan Area (GMA) in Mexico. To help devise efficient mitigation measures, we investigated the ozone formation regime by a chemical transport model (CTM) system WRF-CMAQ. T…
View article: Seasonal and diurnal trends in black carbon properties and co-pollutants in Mexico City
Seasonal and diurnal trends in black carbon properties and co-pollutants in Mexico City Open
The Mexico City metropolitan area (MCMA) is a region that continues to grow in population and vehicular traffic as well as being the largest source of short-lived climate pollutants (SLCP) in Latin America. The local city government has ma…
View article: Contribution of Biomass Burning to Carbonaceous Aerosols in Mexico City during May 2013
Contribution of Biomass Burning to Carbonaceous Aerosols in Mexico City during May 2013 Open
During the springtime fire season, wildfires and agricultural burning represent a potentially large contribution to air quality degradation in the Mexico City Metropolitan Area (MCMA). PM10 filter samples were collected at six different st…
View article: Seasonal trends in black carbon properties and co-pollutants in Mexico City
Seasonal trends in black carbon properties and co-pollutants in Mexico City Open
The Mexico City Metropolitan Area (MCMA) is a region that continues to grow in population and vehicular traffic as well as being the largest source of short lived climate pollutants (SLCP) in Latin America. The local city government has ma…