Fatehpur Air Quality Index (AQI)

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Fatehpur occupies a strategic position in the fertile Gangetic plains of central Uttar Pradesh, approximately 120 kilometres southwest of Kanpur and 130 kilometres northwest of Allahabad (Prayagraj). Situated at an elevation of around 110 metres above sea level, the city lies on the banks of the Ganges River, which flows to its north, while the Yamuna River runs to its south, creating a riverine landscape that historically shaped its settlement patterns. This low-lying terrain, part of the vast Indo-Gangetic Plain, contributes to atmospheric stagnation that traps pollutants. Fatehpur functions as a transitional urban centre between the densely industrialised Kanpur region and the predominantly agricultural districts of eastern Uttar Pradesh, creating a distinct urban-rural gradient where agricultural practices directly influence urban air quality. The surrounding landscape is dominated by intensive farming of wheat, rice, and sugarcane, with brick kilns dotting the periphery where clay deposits are abundant. The city's location within India's 'air pollution belt'—stretching across northern India—means it experiences regional transport of pollutants from upwind sources, particularly during winter when northwesterly winds carry emissions from Punjab's agricultural burning. Proximity to National Highway 19 enhances vehicular traffic and associated exhaust, while the absence of significant topographic barriers allows pollutants to accumulate under stable atmospheric conditions, exacerbated by the humid subtropical climate that fosters both high humidity and temperature inversions.

Fatehpur's air quality follows a pronounced seasonal rhythm dictated by its humid subtropical climate and agricultural calendar. During winter (November to February), pollution peaks dramatically due to multiple converging factors: agricultural residue burning in surrounding fields coincides with cooler temperatures that create frequent temperature inversions, trapping pollutants near the surface. Dense fog, common in December and January, further impedes dispersion by reducing wind speeds and sunlight, while cold waves from the Himalayas enhance atmospheric stability. These months represent the worst period for outdoor activity, particularly for sensitive groups like children, elderly residents, and those with respiratory conditions who should limit exposure and use protective masks. Spring (March to May) brings gradual improvement as temperatures rise, breaking inversion layers, though extreme heat in May can increase ozone formation from vehicle exhaust. The summer monsoon (June to September) offers the cleanest air, as heavy rainfall from the southwest monsoon scrubs pollutants from the atmosphere and strong winds enhance dispersion—this is the optimal season for outdoor activities. Post-monsoon (October) sees a rapid deterioration as harvesting begins, leading to crop burning that combines with reduced wind speeds and the return of inversion conditions, setting the stage for the winter pollution crisis. Year-round, road dust from unpaved surfaces and emissions from the local chemical plant contribute to baseline pollution, but meteorological factors determine seasonal extremes.