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Performance analysis of sensing-based extreme value models for urban air pollution peaks

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Abstract

Several metropolis in Asia are high pollutant concentration regions and urban population in these regions frequently experience events of extremely poor levels of air quality. We believe such extreme events can be suitably modeled using extreme value distributions. We developed a sensing system to sense the urban air quality data, built probability distribution-based forecast models using extreme value theory and determined the best fit distribution in this work. Gumbel, Weibull and Frechet distributions were evaluated. The goodness of fit was determined using index of agreement and the coefficient of determination. The best-fit distribution is used to compute return periods and exceeding probabilities of air pollution peaks. The effective performance of the forecast model is then validated using mean absolute deviation (MAD), mean squared error (MSE), mean percentage error (MPE), root mean squared error (RMSE) and mean absolute percentage error (MAPE).

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This research did not receive any grant or funding from funding agencies in the public, commercial, or not-for-profit sectors.

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Correspondence to Anurag Barthwal.

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The authors are employed in academic capacity, only with DIT University, Dehradun.

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Barthwal, A., Acharya, D. Performance analysis of sensing-based extreme value models for urban air pollution peaks. Model. Earth Syst. Environ. 8, 4149–4163 (2022). https://doi.org/10.1007/s40808-022-01349-y

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  • DOI: https://doi.org/10.1007/s40808-022-01349-y

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