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The Effects of Air Pollution on Mood: Evidence from Twitter

Author

Listed:
  • Michaela Kecskésová

    (Department of Economics, Masaryk University, Lipová 41a, 60200 Brno, Czech Republic)

  • Štěpán Mikula

    (Department of Economics, Masaryk University, Lipová 41a, 60200 Brno, Czech Republic)

Abstract

This paper investigates the effects of air pollution on public mood using sentiment analysis of geolocated social media data. Analyzing approximately 7 million twitter posts from the United States in July 2015, we examine how fluctuations in air quality caused by Canadian wildfires influence sentiment. We find robust evidence that higher exposure to particulate matter leads to decreased positive sentiment and increased negative sentiment. Given the importance of mood as a factor in labor productivity, our results suggest that the short-term psychological effects of air pollution, alongside its well-documented physical health impacts, should be considered in policy discussions, as negative shifts in public mood due to poor air quality could have far-reaching economic consequences.

Suggested Citation

  • Michaela Kecskésová & Štěpán Mikula, 2025. "The Effects of Air Pollution on Mood: Evidence from Twitter," MUNI ECON Working Papers 2025-05, Masaryk University.
    • Handle: RePEc:mub:wpaper:2025-05
    DOI: 10.5817/WP_MUNI_ECON_2025-05
    Note: License: CC-BY 4.0
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    References listed on IDEAS

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    More about this item

    Keywords

    air pollution; particulate matter; mood; sentiment analysis; Twitter; wildfires;
    All these keywords.

    JEL classification:

    • Q5 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics
    • D9 - Microeconomics - - Micro-Based Behavioral Economics

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    This paper has been announced in the following NEP Reports:

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