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May 27, 2026Discover EnvironmentOpen Access

Environmental dynamics for analyzing atmospheric pollutants and meteorological patterns in Chennai during the Covid-19 outbreak

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Authors

SFS.Shehnaz FathimaPUP. S. Sheik Uduman

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Overview

Randomized trial demonstrates changes in air quality in Chennai during Covid-19 lockdown, indicating climate improvement.

Key Points

  • This research aims to evaluate the effects of lockdown measures on air quality and meteorological variables in Chennai during the Covid-19 pandemic.
  • Analyzed seven meteorological variables (temperature, humidity, wind speed, wind direction, solar radiation, barometric pressure, and rainfall).
  • Assessed seven air pollutants (PM10, PM2.5, SO2, NO2, CO, NH3, O3) before, during, and after the pandemic across four Chennai locations.
  • Utilized FDA, FANOVA, and multivariate FANOVA to evaluate correlations between lockdowns, air quality, and meteorological variables.
  • Lockdown measures significantly reduced air pollution levels in Chennai, particularly in PM10 and PM2.5 concentrations.
  • There were notable changes observed in meteorological variables, including a decrease in ambient temperature and an increase in relative humidity.
  • Comparative analysis indicated consistent month-by-month reductions in pollutants during the lockdown phases of the pandemic.

Cite This Study

Fathima et al. (2026) studied this question.

synapsesocial.com/papers/6a1689510c924ddd1bd58235https://doi.org/10.1007/s44274-026-00753-w
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