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Keolāri, nestled in the heart of Madhya Pradesh, India, occupies a geographically significant position within the broader Malwa Plateau. Located at approximately 22.3697° latitude and 79.9060° longitude, the city’s terrain is predominantly undulating, characteristic of the plateau landscape. Its elevation, around 318 meters (1043 feet) above sea level, contributes to a relatively stable atmospheric layer, which can, at times, exacerbate pollution accumulation. The surrounding landscape is a mosaic of agricultural fields – primarily cotton, wheat, and pulses – interspersed with pockets of scrubland and scattered villages, creating a distinct urban-rural gradient. While Keolāri itself is a small town, it sits within a region experiencing increasing agricultural intensification, potentially leading to increased dust and ammonia emissions. The city’s proximity to larger industrial zones in Indore and Bhopal, though not immediately adjacent, means it can be affected by transported pollutants. The lack of significant bodies of water within immediate proximity—no major rivers or lakes—limits natural air purification processes. The prevailing winds, generally from the west during the monsoon and shifting to the east during the dry season, play a crucial role in dispersing or concentrating pollutants. The Malwa Plateau's geological composition, rich in calcium carbonate, can also contribute to dust generation, particularly during periods of dry, windy conditions. The relatively flat terrain surrounding Keolāri allows for the easy spread of pollutants, reducing natural ventilation and increasing the potential for localized air quality issues.

Keolāri’s air quality follows a distinct seasonal pattern dictated by the region’s monsoon climate. The monsoon season, typically from June to September, brings relief from accumulated pollutants due to frequent rainfall and increased wind speeds, effectively flushing the atmosphere. However, the preceding pre-monsoon months (April-May) often witness a significant deterioration in air quality. High temperatures, low humidity, and stagnant air conditions frequently lead to temperature inversions, trapping pollutants near the ground. Agricultural burning, a common practice for clearing fields after harvest, further contributes to particulate matter pollution during this period. The post-monsoon season (October-November) sees a gradual improvement as rainfall decreases, but dust storms and reduced wind speeds can still impact air quality. Winter (December-March) presents a complex scenario. While temperatures drop, leading to reduced photochemical smog formation, the prevalence of fog, particularly in December and January, traps pollutants, creating a hazy and potentially unhealthy atmosphere. Sensitive groups, including children, the elderly, and individuals with respiratory conditions, should exercise caution during the pre-monsoon and winter months, limiting outdoor exertion and wearing appropriate masks when necessary. Agricultural workers are particularly vulnerable and should prioritize protective measures. The dry season, overall, demands heightened awareness and proactive measures to mitigate the impact of poor air quality, with the months of April and November posing the greatest challenges.