Research

Low-cost sensor networks, data science and forecasting

Many cheap sensors, carefully corrected, plus models that predict tomorrow’s air

sensors · machine learning

How the work is done

Co-location calibration against reference monitors. Humidity and temperature correction. Machine learning and deep learning time-series models, evaluated honestly – out-of- period test sets, multiple random seeds, and reported uncertainty rather than a single best number. Interpretation of model drivers, so a prediction can be explained and not just issued.

This description is provisional. The wording is the site maintainer's and the science is the Principal Investigator's; it has not yet been approved by him.

Which records carry this theme is derived from each record’s title, not chosen by its authors. The rules are in data/research-themes.yaml and every tag stores the term that produced it, shown in the chip’s tooltip. Theses use the laboratory’s own “Area of Research” where it is specific enough. Three publications and one thesis match no theme and are deliberately left untagged.

Publications 9

  1. February 2025

    Characterizing indoor-outdoor PM2.5 concentrations using low-cost sensor measurements in residential homes in Dhaka, Bangladesh

    Provat K. Saha, Ahsan Habib, Dipika R. Prapti, Talha Jubair, Abu U. Zarrah, Chowdhury A. Hossain, Sheikh M. Rahman, Abdus Salam, Md Aynul Bari, Julian D. Marshall

    Atmospheric Environment, 342, 120945

    Low-cost sensor networks, data science and forecasting Urban and indoor air quality in Dhaka

  2. 19 August 2024

    Characterizing Indoor-Outdoor PM2.5 Concentrations Using Low-Cost Sensor Measurements in Residential Homes in Dhaka, Bangladesh

    Provat Saha, Ahsan Habib, Dipika Prapti, Talha Jubair, Abu Zarrah, Chowdhury Hossain, Sheikh Rahman, Abdus Salam, Aynul Bari, Julian Marshall

    American Chemical Society (ACS)

    Low-cost sensor networks, data science and forecasting Urban and indoor air quality in Dhaka

  3. 28 January 2022

    Research Priorities of Applying Low-Cost PM2.5 Sensors in Southeast Asian Countries

    Shih-Chun Candice Lung, To Thi Hien, Maria Obiminda L. Cambaliza, Ohnmar May Tin Hlaing, Nguyen Thi Kim Oanh, Mohd Talib Latif, Puji Lestari, Abdus Salam, Shih-Yu Lee, Wen-Cheng Vincent Wang, Ming-Chien Mark Tsou, Tran Cong-Thanh, Melliza Templonuevo Cruz, Kraichat Tantrakarnapa, Murnira Othman, Shatabdi Roy, Tran Ngoc Dang, Dwi Agustian

    International Journal of Environmental Research and Public Health, 19(3), 1522

    Low-cost sensor networks, data science and forecasting Urban and indoor air quality in Dhaka

  4. October 2018

    Global Sources of Fine Particulate Matter: Interpretation of PM<sub>2.5</sub> Chemical Composition Observed by SPARTAN using a Global Chemical Transport Model

    Crystal L. Weagle, Graydon Snider, Chi Li, Aaron van Donkelaar, Sajeev Philip, Paul Bissonnette, Jaqueline Burke, John Jackson, Robyn Latimer, Emily Stone, Ihab Abboud, Clement Akoshile, Nguyen Xuan Anh, Jeffrey Robert Brook, Aaron Cohen, Jinlu Dong, Mark D. Gibson, Derek Griffith, Kebin B. He, Brent N. Holben, Ralph Kahn, Christoph A. Keller, Jong Sung Kim, Nofel Lagrosas, Puji Lestari, Yeo Lik Khian, Yang Liu, Eloise A. Marais, J. Vanderlei Martins, Amit Misra, Ulfi Muliane, Rizki Pratiwi, Eduardo J. Quel, Abdus Salam, Lior Segev, Sachchida N. Tripathi, Chien Wang, Qiang Zhang, Michael Brauer, Yinon Rudich, Randall V. Martin

    Environmental Science & Technology

    Aerosol optical properties and remote sensing Low-cost sensor networks, data science and forecasting Urban and indoor air quality in Dhaka

Theses 1

  1. Completed 2024

    Spatial and Temporal Variations of PM2.5 Concentrations across Dhaka Using TSI BlueSkyTM Sensors

    Rakibul Omar

    Supervisor: Dr. Abdus Salam
    Co-supervisor: Shatabdi Roy

    PM2.5 monitoring by low cost sensors across Dhaka

    Low-cost sensor networks, data science and forecasting Urban and indoor air quality in Dhaka