Universal Journal of Advanced Research (ISSN: 3139-3276) • Vol. 1, Issue 1 (2026)

Spatiotemporal Analysis of Nitrogen Dioxide (NO2) Dynamics in Lucknow, India: A Comparative Study of Pre-Lockdown and COVID-19 Lockdown Periods using Google Earth Engine

Authors & Affiliations

  • Atisham Ali • Department of Civil Engineering, Faculty of Engineering and Technology, KMCLU, Lucknow, Uttar Pradesh, India
  • Pawan Yadav • Department of Civil Engineering, Faculty of Engineering and Technology, KMCLU, Lucknow, Uttar Pradesh, India

Department / Category: Department of Civil Engineering

Publication Date: 2026-01-01

Pages: 37-48

DOI: 10.5281/zenodo.21948977

Abstract

Spatiotemporal Analysis of Nitrogen Dioxide (NO2) Dynamics in Lucknow, India: A Comparative Study of Pre-Lockdown and COVID-19 Lockdown Periods using Google Earth Engine. Reveals significant reductions in atmospheric NO2 concentration resulting from restricted vehicular and industrial activity.

Keywords: Air Quality; Remote Sensing; Google Earth Engine; NO2 Dynamics; Atmospheric Science

References

  1. Ali, A., & Yadav, P. (2026). Spatiotemporal Analysis of Nitrogen Dioxide (NO2) Dynamics in Lucknow, India: A Comparative Study of Pre-Lockdown and COVID-19 Lockdown Periods using Google Earth Engine. Universal Journal of Advanced Research, 1(1), 37-48. https://doi.org/10.5281/zenodo.21948977
  2. Gorelick, N., et al. (2017). Google Earth Engine: Planetary-scale geospatial analysis for everyone. Remote Sensing of Environment, 202, 18-27.
  3. Bao, R., & Zhang, A. (2020). Does lockdown reduce air pollution? Evidence from 44 cities in northern China. Science of The Total Environment, 731, 139052.
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