Cited by 56Atmospheric chemistry and aerosolsToxic Organic Pollutants ImpactAir Quality and Health Impacts

Impact of Trash Burning on Air Quality in Mexico City

Hodzic, A., Wiedinmyer, C., Salcedo, D., Jimenez, J. L.·2012·Environmental Science & Technology

Abstract

Air pollution experienced by expanding urban areas is responsible for serious health effects and death for millions of people every year. Trash burning is a common disposal method in poor areas, yet it is uncontrolled in many countries, and its contribution to air pollution is unclear due to uncertainties in its emissions. Here we develop a new trash burning emission inventory for Mexico City based on inverse socioeconomic levels and recently measured emission factors, and apply a chemistry-transport model to analyze the effects on pollutant concentrations. Trash burning is estimated to emit 25 tons of primary organic aerosols (POA) per day, which is comparable to fossil fuel POA emissions in Mexico City, and causes an increase in average organic aerosol concentrations of ∼0.3 μg m(-3) downtown and up to 2 μg m(-3) in highly populated suburbs near the sources of emission. An evaluation using submicrometer antimony suggests that our emission estimates are reasonable. Mitigation of trash burning could reduce the levels of organic aerosols by 2-40% and those of PM(2.5) by 1-15% over the metropolitan area. The trash burning contributions to carbon monoxide, nitrogen oxides, and volatile organic compounds were found to be very small (<3%), and consequently the contributions to secondary nitrate, sulfate, and secondary organic aerosols are also very small.

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Crossref · 10.1021/es203954r

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Authors
Hodzic, A., Wiedinmyer, C., Salcedo, D., & Jimenez, J. L.
Affiliations
  • National Center for Atmospheric Research, Boulder, Colorado, United States
  • NSF National Center for Atmospheric Research (US)
  • Universidad Autónoma del Estado de Morelos (MX)
  • Cooperative Institute for Research in Environmental Sciences (US)
Venue
Environmental Science & Technology
Published
2012-04-11
Volume
46
Issue
9
Pages
4950-4957
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W2320149582
Cited by
56
References
36
Citations by year
2026: 4 · 2024: 5 · 2023: 3 · 2022: 6 · 2021: 3 · 2020: 4 · 2019: 4 · 2018: 6 · 2017: 5 · 2016: 5 · 2015: 5 · 2014: 1 · 2013: 3 · 2012: 2
FWCI
2.40
Type
journal article
Language
en
Open access
closed
Locations
  • Environmental Science & Technology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Atmospheric chemistry and aerosols
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Toxic Organic Pollutants Impact
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Air Quality and Health Impacts
Keywords
waste burning, air pollution, emission inventory, organic aerosol, PM2.5, Mexico City, chemical transport model, secondary organic aerosol, secondary nitrate, secondary sulfate, carbon monoxide, nitrogen oxides, volatile organic compounds, urban air quality, waste management
MeSH terms
Aerosols, Air Pollution, Cities, Developing Countries, Fires, Mexico, Models, Chemical, Socioeconomic Factors, Incineration

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