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Murtazābād, nestled within the expansive Indo-Gangetic Plain of Uttar Pradesh, India, presents a unique geographic context influencing its air quality. Located at 28.7111°N, 77.2688°E, the city sits at a relatively low elevation, contributing to the potential for temperature inversions that trap pollutants. The surrounding landscape is predominantly flat, characterized by intensely cultivated agricultural lands – primarily wheat, rice, and sugarcane – which, while vital for the regional economy, contribute to seasonal biomass burning. The Yamuna River flows relatively close, though not directly adjacent, and its influence on local humidity and wind patterns is moderate. Murtazābād isn’t a major industrial hub itself, but lies within a region connected to larger industrial belts around Delhi and other Uttar Pradesh cities, meaning long-range transport of pollutants is a significant factor. The urban-rural gradient is fairly sharp; the city core experiences higher population density and associated emissions, while the periphery remains largely agricultural. Dust from agricultural activities and unpaved roads is a persistent issue. This combination of factors – flat terrain, agricultural practices, regional industrial influence, and limited natural dispersion – creates a challenging environment for maintaining clean air in Murtazābād.

Murtazābād’s air quality follows a distinct seasonal pattern. The winter months (November to February) are typically the most polluted. Cool temperatures and frequent temperature inversions trap emissions from household heating (wood and dung burning) and vehicular traffic near the ground. Calm winds exacerbate the situation, preventing dispersion. Fog further reduces visibility and concentrates pollutants. March and April see a slight improvement as temperatures rise, but pre-monsoon dust storms contribute to particulate matter. The monsoon season (July to September) offers a temporary respite, as rainfall washes away pollutants and increased humidity suppresses dust. However, stagnant conditions during breaks in the monsoon can lead to localised pollution build-up. Post-monsoon (October-November) is a critical period, marked by the burning of crop residue from the harvested kharif crops, dramatically worsening air quality. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit outdoor activity during winter and post-monsoon periods. Avoiding peak traffic hours and using masks when outdoors are recommended precautions. The monsoon months generally offer the most favourable conditions for outdoor activity, though vigilance regarding localised flooding and waterborne diseases is still necessary.