Kāshti Air Quality Index (AQI)

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Kāshti, a small city nestled within the state of Maharashtra, India, at coordinates 18.5492°N, 74.5822°E, presents a unique geographic context influencing its air quality. Situated in a relatively flat, inland region of the state, Kāshti’s terrain is primarily Deccan Trap basalt, contributing to soil composition and agricultural practices. The city’s population of approximately 14,235 suggests a predominantly rural-urban gradient, with surrounding areas dedicated to agriculture – primarily sugarcane and seasonal crops – and smaller-scale industries. Kāshti isn’t directly adjacent to major bodies of water, though it lies within the broader catchment area of the Bhima River. This distance mitigates some coastal influences but doesn’t eliminate humidity variations. The surrounding landscape is characterised by agricultural fields interspersed with small hills and scrubland. While not a major industrial hub itself, Kāshti’s proximity to larger industrial zones in nearby cities like Solapur and Pune contributes to regional pollution transport. The lack of significant natural barriers to wind flow means pollutants can accumulate during periods of low wind speed and temperature inversions, particularly during the cooler months. The urban form is compact, with a mix of residential and commercial areas, potentially leading to localised pollution hotspots from vehicular traffic and small-scale combustion sources.

Kāshti experiences a tropical climate with distinct wet and dry seasons heavily influencing air quality. The monsoon season, typically from June to September, brings relief from pollution due to rainfall washing away particulate matter and increased humidity suppressing dust. However, increased cloud cover can also trap pollutants closer to the ground. October and November see a gradual decline in rainfall and a build-up of pollutants as agricultural residue burning increases after the harvest. This period often experiences stagnant air conditions, exacerbating the problem. December to February are the driest months, with cooler temperatures and frequent temperature inversions, trapping pollutants and leading to poorer air quality. Dust from agricultural activities and construction contributes significantly. March to May are hot and dry, with strong winds occasionally dispersing pollutants, but also increasing dust storms. These winds can transport pollutants from surrounding areas. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit outdoor activity during November to February and periods of high dust. Avoiding peak traffic hours and using masks when outdoors are recommended. The monsoon offers the most favourable conditions for outdoor activity, though mould growth can also pose a health risk.