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Māndvi, a coastal city in the Kachchh district of Gujarat, India, occupies a unique geographic position. Situated at 22.8333°N, 69.3556°E, the city lies on the Gulf of Kachchh, a significant inlet of the Arabian Sea. The terrain is largely flat, characteristic of the broader Kachchh region, with a gentle slope towards the coastline. This low elevation makes Māndvi particularly vulnerable to sea breezes and associated humidity. Historically a crucial port, Māndvi’s urban character is defined by its maritime heritage and a growing industrial presence. The surrounding landscape is a mix of salt flats, arid grasslands, and mangrove forests along the coast. A significant portion of the regional economy revolves around salt production, fishing, and increasingly, heavy industries like cement and petrochemicals, concentrated in nearby industrial belts. The urban-rural gradient is relatively sharp, with agricultural lands extending inland from the coastal strip. This proximity to both industrial activity and agricultural practices, coupled with the coastal location, creates a complex interplay of factors influencing air quality. Dust storms originating from the inland desert regions are also a recurring feature, contributing to particulate matter pollution. The city’s location means it’s directly exposed to prevailing winds carrying pollutants from regional sources.

Māndvi experiences a distinct seasonal air quality pattern dictated by the monsoon and prevailing winds. The post-monsoon period, from October to November, often sees a temporary improvement in air quality as rainfall washes away accumulated pollutants. However, this is short-lived. December to February brings cooler, drier conditions and increased industrial activity, leading to a build-up of particulate matter and sulfur dioxide. Temperature inversions, common during these winter months, trap pollutants near the ground, exacerbating the problem. March to May is the most challenging period, with rising temperatures, strong winds carrying dust from the inland deserts, and increased construction activity. This combination results in consistently poor air quality. The southwest monsoon, arriving in June and lasting until September, offers respite, though heavy rainfall can sometimes lead to localised flooding and waterborne diseases. Sensitive groups – children, the elderly, and those with respiratory conditions – should avoid prolonged outdoor exposure during March-May. October-November offers the most favourable conditions for outdoor activities. Monitoring wind direction is crucial; winds from the north and west are more likely to carry dust and industrial emissions.