Mahād Air Quality Index (AQI)

Loading live AQI data...

Loading historical AQI trends...

Situated along the banks of the Savitri River in the Raigad district of Maharashtra, Mahad serves as a critical urban node nestled within the rugged foothills of the Western Ghats. Its geography is defined by a dramatic transition from the elevated, densely forested ridges of the Sahyadri range to the fertile, low-lying coastal plains approaching the Arabian Sea. This unique positioning at the base of steep mountain passes creates a distinctive microclimate characterized by significant orographic effects. The urban character of Mahad is shaped by this topographical enclosure, which influences local wind patterns and the dispersion of airborne particulates. The city is flanked by the MIDC (Maharashtra Industrial Development Corporation) areas, which house a variety of chemical and manufacturing units, introducing localized industrial emissions into the valley. During calm meteorological conditions, the surrounding hills act as a natural barrier, trapping pollutants within the river valley. The urban-rural gradient is stark; the densely built-up historical core faces rapid expansion toward the periphery, where agricultural lands and secondary forests meet industrial corridors. Hydrologically, the proximity to the Savitri River and its tributaries provides a cooling effect, yet the river basin acts as a sink for moisture and pollutants alike. During the pre-monsoon heat, thermal convection currents struggle to clear the valley of stagnant air, especially when industrial plumes are forced downward by subsidence. Consequently, Mahad’s air quality is a complex interplay between its natural mountain-valley breeze cycles, industrial emissions from the nearby chemical belt, and the humid, maritime influence of the Konkan coast.

Mahad experiences a tropical monsoon climate where seasonal shifts dictate air quality cycles through distinct meteorological phases. The year begins with the dry winter season, spanning November to February, where cool, stable air masses often lead to temperature inversions. During these months, the vertical mixing of the atmosphere is significantly restricted, causing particulate matter from vehicular traffic and biomass burning to linger near the surface, particularly in the early morning hours. As spring transitions into the pre-monsoon summer from March to May, rising temperatures increase thermal instability; however, the lack of wind and high humidity often creates a hazy environment where pollutants concentrate. Residents should exercise caution during these months, as the combination of heat and stagnant air can aggravate respiratory conditions. The onset of the southwest monsoon in June marks a dramatic improvement in air quality. Heavy, sustained rainfall acts as a potent atmospheric scrubber, washing out aerosols and refreshing the valley air. This period, lasting through September, is ideal for outdoor activities, though high humidity remains a factor for those with asthma. As the rains retreat in October, a brief transition period occurs before the onset of winter stability. Sensitive groups, including the elderly and those with chronic respiratory issues, are advised to monitor local conditions during the transition into winter, as the reduction in ventilation allows pollutants to accumulate once again. By prioritizing exercise during the post-monsoon months and avoiding peak traffic hours in the late winter, residents can better navigate the seasonal fluctuations of Mahad’s atmospheric health.