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Nangloi Jat occupies a strategic position in northwest Delhi, situated on the flat Indo-Gangetic Plain at an elevation of approximately 213 meters above sea level. This urban locality lies just 20 kilometers west of central Delhi, positioned along the historical Grand Trunk Road that connects it to industrial hubs and agricultural zones. The terrain is predominantly flat with minimal topographical relief, creating conditions that trap pollutants when atmospheric mixing is poor. Nangloi Jat sits adjacent to the Najafgarh drain—a major polluted water channel that contributes to local emissions—and borders the Nangloi industrial area, which hosts numerous small-scale manufacturing units. The region transitions from dense urban development in the east to more mixed urban-rural landscapes toward Haryana's agricultural belt in the west, where seasonal stubble burning occurs. Proximity to the Yamuna River floodplain influences local humidity and fog formation, while the lack of significant water bodies or green spaces exacerbates particulate matter accumulation. Its location within Delhi's National Capital Region places it downwind of pollution sources from neighboring states during certain wind patterns, making it a receptor zone for regional air pollution. The flat terrain and urban heat island effect further inhibit pollutant dispersion, creating persistent air quality challenges year-round.

Nangloi Jat's air quality follows a distinct seasonal rhythm shaped by its semi-arid climate and regional pollution sources. Winter (October-January) brings the worst air quality, with October and November seeing severe spikes due to agricultural stubble burning in neighboring states, combined with local emissions from vehicles, industry, and waste burning. During these months, temperature inversions trap pollutants close to the ground, while dense fog and low wind speeds prevent dispersion. Sensitive groups should avoid outdoor activities entirely during peak pollution days and use air purifiers indoors. Spring (February-March) offers slight improvement as temperatures rise and winds increase, though dust storms from the Thar Desert can temporarily worsen conditions. Summer (April-June) brings extreme heat that accelerates photochemical reactions, creating ozone pollution, but stronger winds and convective mixing provide some relief from particulate matter. The monsoon (July-September) delivers the cleanest air as rains wash away pollutants and winds disperse emissions; this is the best time for outdoor activities. However, high humidity can exacerbate respiratory issues for some individuals. Throughout the year, residents should monitor daily air quality forecasts and plan activities for late morning when pollution levels are often lower.