Evaluating the influence of constant source profile presumption on PMF analysis of PM2. 5 by comparing long-and short-term hourly observation-based modeling

M ** Source-Specific Air Pollution Exposures Using Positive Matrix Factorization Applied to Multipollutant Mobile Monitoring in Seattle, WA
N Liu, R Oshan, M Blanco, L Sheppard… - Environmental …, 2025 - ACS Publications
Mobile monitoring strategies are increasingly used to provide fine spatial estimates of
multiple air pollutant concentrations. This study demonstrates a novel approach using …

[HTML][HTML] Influence of meteorological conditions and seasonality on PM1 and organic aerosol sources at a rural background site

R Lhotka, P Pokorná, P Vodička, N Zíková… - Atmospheric …, 2025 - Elsevier
Organic aerosols (OA) are a main component of PM 2.5 (20–90%), which contains
thousands of compounds. Thus, the formation processes and sources of OA remain poorly …

Long-range transport of air pollutants increases the concentration of hazardous components of PM in northern South America

MP Velásquez-García, KS Hernández… - Atmospheric …, 2024 - acp.copernicus.org
Long-range transport (LRT) of air pollutants from a range of sources can substantially
enhance background pollution levels, especially in urbanized regions, which can …

An Ensemble Machine Learning Approach for Predicting Sources of Organic Aerosols Measured by Aerosol Mass Spectrometry

Y Zhang, J Fang, Q Meng, X Ge, H Chebaicheb… - ACS ES&T …, 2025 - ACS Publications
Long-term source apportionment of atmospheric organic aerosols (OA) is essential for
supporting air pollution management strategies. While aerosol mass spectrometry (AMS) …

Size-resolved Compositional Analysis and Source Apportionment of Submicron Aerosol during Lockdown Period Using HR-ToF-AMS

P Acharja, A Vispute, P Lonkar, SW Gosavi… - Aerosol and Air Quality …, 2022 - Springer
The size-resolved compositional analysis of non-refractory submicron aerosol (NR-PM1)
was conducted using the Aerodyne High-Resolution Time-of-Flight Aerosol Mass …

[HTML][HTML] Assessing the Impact of Non-Exhaust Emissions on the Asthmatic Airway (IONA) Protocol for a Randomised Three-Exposure Crossover Study

J Scales, H Hajmohammadi, M Priestman… - International Journal of …, 2024 - mdpi.com
Background: People living with asthma are disproportionately affected by air pollution, with
increased symptoms, medication usage, hospital admissions, and the risk of death. To date …

Investigation of Organic Aerosol Sources across Europe using Novel Source Apportionment Techniques

G Chen - 2022 - research-collection.ethz.ch
Abundant tiny liquid and solid particles with different diameters and chemical compositions
suspended in the air are invisible threat of human lives. Particulate matter (PM) also affects …