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Ellenabad, situated in the Sirsa district of Haryana, India, occupies a relatively flat, arid landscape typical of the Indo-Gangetic Plain. Located at 29.4500°N latitude and 74.6500°E longitude, the city’s elevation is low, contributing to limited atmospheric dispersion of pollutants. The surrounding terrain is predominantly agricultural, dominated by wheat, cotton, and rice cultivation. This agricultural intensity is a key factor influencing air quality, particularly through seasonal stubble burning practices. Ellenabad isn’t proximate to any major bodies of water; the Ghaggar River flows nearby, but its influence on local air currents is limited. While not a major industrial hub itself, Ellenabad’s regional position within Haryana places it downwind of larger industrial areas to the east and south, potentially receiving transported pollutants. The urban-rural gradient is fairly sharp, with the city acting as a market and service centre for surrounding villages. Dust from agricultural activities and unpaved roads contributes significantly to particulate matter levels. The lack of significant topographical features hinders natural ventilation, exacerbating pollution build-up, especially during calm weather conditions. The city’s location within the Indo-Gangetic Plain, known for its poor air quality, predisposes it to higher pollution concentrations.

Ellenabad experiences a distinct seasonal air quality pattern. Summer (April-June) brings high temperatures and dry winds, leading to increased dust suspension and elevated particulate matter. While industrial activity may slightly decrease, the heat exacerbates existing pollution. The monsoon season (July-September) offers temporary relief, as rainfall washes away pollutants and increased humidity aids settling of dust. However, stagnant conditions following heavy rainfall can also trap pollutants. Autumn (October-November) is the most critical period, coinciding with post-harvest stubble burning from surrounding agricultural lands. This practice releases massive amounts of smoke and particulate matter, severely degrading air quality and creating hazardous conditions. Winter (December-February) sees temperature inversions frequently trapping pollutants near the ground, coupled with low wind speeds. Fog further reduces visibility and exacerbates respiratory issues. Outdoor activity should be minimized during October-November and December-February, particularly for children, the elderly, and those with pre-existing respiratory or cardiovascular conditions. Monitoring local weather patterns and avoiding peak pollution times are crucial for protecting health. The monsoon months generally offer the best air quality, but even then, vigilance is advised.