Quixplained: The various factors that cause Delhi’s air quality to dip this time of the year
Delhi air pollution: A look at why air pollution rises in October and the role of farm fires.
By: Explained Desk | New Delhi |
Updated: October 24, 2020 11:26:23 am
Commuters pass through a thick cloud of dust at NH-9, at the New Delhi-Uttar Pradesh border, on October 17, 2020. (Express Photo: Praveen Khanna)
Every year in October, Delhi’s air quality dips and a war of words between different governments erupts. Air pollution in Delhi and the whole of the Indo Gangetic plains is a complex phenomenon that is dependent on a variety of factors. The first and foremost is the input of pollutants, followed by weather and local conditions.
A look at the reasons as to why air pollution rises in October and the role of farm fires.
Why does air pollution rise every October in Delhi and the Indo-Gangetic plains? Air pollution in Delhi is dependent on a variety of factors, such as the weather. The dip in temperature is another factor for the rise in air pollution. Winters bring a dip in wind speed, making it difficult to disperse pollutants.