Assessment of Traffic-Related Air Pollution: Case Study of Pregnant Women in South Texas
Population groups vulnerable to adverse effects of traffic-related air pollution correspond to children, pregnant women and elderly. Despite these effects, literature is limited in terms of studies focusing on these groups and a reason often cited is the limited information on their mobility importa...
Main Authors: | , , , |
---|---|
Format: | Article |
Language: | English |
Published: |
MDPI AG
2019-07-01
|
Series: | International Journal of Environmental Research and Public Health |
Subjects: | |
Online Access: | https://www.mdpi.com/1660-4601/16/13/2433 |
id |
doaj-2e18eda99b064bd18ad4f51945b264c0 |
---|---|
record_format |
Article |
spelling |
doaj-2e18eda99b064bd18ad4f51945b264c02020-11-24T21:49:52ZengMDPI AGInternational Journal of Environmental Research and Public Health1660-46012019-07-011613243310.3390/ijerph16132433ijerph16132433Assessment of Traffic-Related Air Pollution: Case Study of Pregnant Women in South TexasMohammad Hashem Askariyeh0Suriya Vallamsundar1Josias Zietsman2Tara Ramani3Environment and Air Quality Division, Texas A&M Transportation Institute, 1111 RELLIS Parkway, Suite 3401, Bryan, TX 77807, USACenter for Advancing Research in Transportation Emissions, Energy and Health, Texas A&M Transportation Institute, 12700 Park Central Dr, Suite 1000, Dallas TX 75251, USACenter for Advancing Research in Transportation Emissions, Energy and Health, Texas A&M Transportation Institute, 1111 RELLIS Parkway, Suite 3401, Bryan, TX 77807, USACenter for Advancing Research in Transportation Emissions, Energy and Health, Texas A&M Transportation Institute, 1111 RELLIS Parkway, Suite 3401, Bryan, TX 77807, USAPopulation groups vulnerable to adverse effects of traffic-related air pollution correspond to children, pregnant women and elderly. Despite these effects, literature is limited in terms of studies focusing on these groups and a reason often cited is the limited information on their mobility important for exposure assessment. The current study presents a method for assessing individual-level exposure to traffic-related air pollution by integrating mobility patterns tracked by global positioning system (GPS) devices with dynamics of air pollutant concentrations. The study is based on a pool of 17 pregnant women residing in Hidalgo County, Texas. The traffic-related particulate matter with diameter of less than 2.5 micrometer (PM<sub>2.5</sub>) emissions and air pollutant concentrations are predicted using MOVES and AERMOD models, respectively. The daily average traffic-related PM<sub>2.5</sub> concentration was found to be 0.32 µg/m<sup>3</sup>, with the highest concentration observed in transit (0.56 µg/m<sup>3</sup>), followed by indoors (0.29 µg/m<sup>3</sup>), and outdoor (0.26 µg/m<sup>3</sup>) microenvironment. The obtained exposure levels exhibited considerable variation between time periods, with higher levels during peak commuting periods, close to the US−Mexico border region and lower levels observed during midday periods. The study also assessed if there is any difference between traffic-related dynamic exposure, based on time-varying mobility patterns, and static exposure, based solely on residential locations, and found a difference of 9%, which could be attributed to the participants’ activity patterns being focused mostly indoors.https://www.mdpi.com/1660-4601/16/13/2433dynamic exposurevehicle emissionsair pollutionpregnant womenGPSdispersion methodparticulate matter PM<sub>2.5</sub> |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Mohammad Hashem Askariyeh Suriya Vallamsundar Josias Zietsman Tara Ramani |
spellingShingle |
Mohammad Hashem Askariyeh Suriya Vallamsundar Josias Zietsman Tara Ramani Assessment of Traffic-Related Air Pollution: Case Study of Pregnant Women in South Texas International Journal of Environmental Research and Public Health dynamic exposure vehicle emissions air pollution pregnant women GPS dispersion method particulate matter PM<sub>2.5</sub> |
author_facet |
Mohammad Hashem Askariyeh Suriya Vallamsundar Josias Zietsman Tara Ramani |
author_sort |
Mohammad Hashem Askariyeh |
title |
Assessment of Traffic-Related Air Pollution: Case Study of Pregnant Women in South Texas |
title_short |
Assessment of Traffic-Related Air Pollution: Case Study of Pregnant Women in South Texas |
title_full |
Assessment of Traffic-Related Air Pollution: Case Study of Pregnant Women in South Texas |
title_fullStr |
Assessment of Traffic-Related Air Pollution: Case Study of Pregnant Women in South Texas |
title_full_unstemmed |
Assessment of Traffic-Related Air Pollution: Case Study of Pregnant Women in South Texas |
title_sort |
assessment of traffic-related air pollution: case study of pregnant women in south texas |
publisher |
MDPI AG |
series |
International Journal of Environmental Research and Public Health |
issn |
1660-4601 |
publishDate |
2019-07-01 |
description |
Population groups vulnerable to adverse effects of traffic-related air pollution correspond to children, pregnant women and elderly. Despite these effects, literature is limited in terms of studies focusing on these groups and a reason often cited is the limited information on their mobility important for exposure assessment. The current study presents a method for assessing individual-level exposure to traffic-related air pollution by integrating mobility patterns tracked by global positioning system (GPS) devices with dynamics of air pollutant concentrations. The study is based on a pool of 17 pregnant women residing in Hidalgo County, Texas. The traffic-related particulate matter with diameter of less than 2.5 micrometer (PM<sub>2.5</sub>) emissions and air pollutant concentrations are predicted using MOVES and AERMOD models, respectively. The daily average traffic-related PM<sub>2.5</sub> concentration was found to be 0.32 µg/m<sup>3</sup>, with the highest concentration observed in transit (0.56 µg/m<sup>3</sup>), followed by indoors (0.29 µg/m<sup>3</sup>), and outdoor (0.26 µg/m<sup>3</sup>) microenvironment. The obtained exposure levels exhibited considerable variation between time periods, with higher levels during peak commuting periods, close to the US−Mexico border region and lower levels observed during midday periods. The study also assessed if there is any difference between traffic-related dynamic exposure, based on time-varying mobility patterns, and static exposure, based solely on residential locations, and found a difference of 9%, which could be attributed to the participants’ activity patterns being focused mostly indoors. |
topic |
dynamic exposure vehicle emissions air pollution pregnant women GPS dispersion method particulate matter PM<sub>2.5</sub> |
url |
https://www.mdpi.com/1660-4601/16/13/2433 |
work_keys_str_mv |
AT mohammadhashemaskariyeh assessmentoftrafficrelatedairpollutioncasestudyofpregnantwomeninsouthtexas AT suriyavallamsundar assessmentoftrafficrelatedairpollutioncasestudyofpregnantwomeninsouthtexas AT josiaszietsman assessmentoftrafficrelatedairpollutioncasestudyofpregnantwomeninsouthtexas AT tararamani assessmentoftrafficrelatedairpollutioncasestudyofpregnantwomeninsouthtexas |
_version_ |
1725886968855789568 |