Urban Air Sampling
Urban Air Sampling - Related Videos
10:58
Using GIS to Investigate Urban Forestry
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2023
Source: Laboratories of Margaret Workman and Kimberly Frye - Depaul University Urban forests broadly include urban parks, street trees, landscaped boulevards, public gardens, river and coastal promenades, greenways, river corridors, wetlands, nature preserves, natural areas, shelterbelts of trees, and working trees at industrial brownfield sites. The history of urban trees begins with trees as landscape embellishment. Today, urban trees are seen as essential components of city infrastructure...
13:48
Design and Construction of an Urban Runoff Research Facility
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Cited by 6 •
2014
This paper describes the design, construction, and function of a 1,000 m2 facility containing 24 individual 33.6 m2 field plots equipped for measuring total runoff volumes with time and collection of runoff subsamples at selected intervals for quantification of chemical constituents in the runoff water from simulated home lawns.
09:16
Air-sampled Filter Analysis for Endotoxins and DNA Content
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2016
Two complementary analyses of atmospheric biological particles from air sampled filters are described herein: the extraction and detection of endotoxin, and of DNA.
12:02
Collection and Extraction of Occupational Air Samples for Analysis of Fungal DNA
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Cited by 2 •
2018
Determining the fungal diversity within an environment is a method utilized in occupational health studies to identify health hazards. This protocol describes DNA extraction from occupational air samples for amplification and sequencing of fungal ITS regions. This approach detects many fungal species that can be overlooked by traditional assessment methods.
07:12
Façade-Level Monitoring of CO2 Variability under Urban Heat Island Conditions using Low-Cost Sensor Data Loggers
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2025
A simple, effective environmental monitoring protocol to measure temperature, humidity, wind speed, and carbon dioxide variations across urban surfaces with differing sunlight exposure influenced by the urban heat island effect.
FAQs
Site selection determines what an Urban Air Sampling program can represent. Strategically located sites can capture contrasts among city areas, while placement near relevant conditions such as traffic helps reveal localized patterns. Comparing results across locations separates spatial differences from citywide signals, giving researchers a stronger basis for identifying where pollution is concentrated and how exposure may vary.
Active and passive samplers provide alternative approaches for collecting particulate matter and gases. Using either approach over defined sampling periods allows measurements to be compared across locations or times, while using both can broaden the program’s characterization of urban pollution. The resulting concentration data help show whether observed differences reflect place, time, or the pollutants being measured.
Wind, temperature, and traffic conditions provide context for interpreting pollutant measurements. These variables can be examined alongside concentrations to help explain why pollution changes between sites or sampling periods. Including them strengthens analysis of spatial and temporal patterns and supports more informed evaluations of how transportation activity and other urban conditions relate to air quality.
A typical workflow starts by selecting strategically located sites and defining the periods for collection. Researchers then use active or passive samplers to gather particulate matter and gases while recording relevant environmental and traffic conditions. Laboratories analyze the collected samples for chemical composition and concentration, producing measurements that can be compared across locations and times.
Chemical composition shows what pollutants are present, while concentration measurements indicate their levels. When these results are compared across sites and sampling periods, distinctive spatial or temporal patterns may emerge. Those patterns help researchers identify likely emission sources and distinguish changing pollution conditions, providing evidence for investigating traffic-related influences and broader urban environmental changes.
Results support several connected decisions: assessing respiratory and cardiovascular risks, evaluating environmental quality, informing air-quality standards, and guiding emissions-control strategies. Measurements can also contribute to public-health decisions and research on changing transportation or energy systems. By documenting pollution patterns and potential exposure, the data connect urban conditions with policy and environmental-management needs.