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Nestled in the heart of Batangas province on the island of Luzon, Lipa City occupies a strategic position within the Calabarzon region, approximately 80 kilometers south of Metro Manila. Situated at coordinates 13.9411°N, 121.1622°E, the city lies at an elevation of approximately 300 meters above sea level, giving it a slightly cooler climate than coastal areas. This elevated position on the foothills of the Malarayat mountain range creates a natural basin that can trap pollutants, particularly during periods of atmospheric stability. Lipa's geography is characterized by rolling hills transitioning to the flat agricultural plains of Batangas, creating an urban-rural gradient where the city center's commercial and residential zones blend into surrounding agricultural lands. Proximity to major industrial zones—including the nearby Batangas City industrial complex and the growing industrial corridors along the Southern Tagalog Arterial Road—contributes to regional air quality challenges. The city is approximately 30 kilometers from the coast of Batangas Bay, but this distance limits the moderating influence of sea breezes on pollution dispersion. Urban expansion has transformed Lipa from a primarily agricultural center to a regional commercial hub, with increasing vehicular traffic and construction activity adding to the general urban pollution sources. The surrounding landscape of volcanic foothills and agricultural valleys creates microclimates that influence local air circulation patterns, while the city's position along major transportation routes between Manila and southern Luzon exposes it to transboundary pollution from heavy vehicle traffic.

Lipa City experiences a tropical climate with two pronounced seasons that significantly influence air quality patterns throughout the year. During the dry season from November to April, particularly from January to March, pollution levels typically peak due to several converging factors. The northeast monsoon (amihan) brings drier air and stable atmospheric conditions that frequently result in temperature inversions, trapping pollutants close to the ground in the city's basin-like topography. Reduced rainfall during these months allows particulate matter from vehicular emissions, construction dust, and agricultural burning in surrounding areas to accumulate without being washed away. February and March often present the most challenging conditions for air quality, with hazy conditions sometimes reducing visibility. The wet season from May to October brings relief through the southwest monsoon (habagat), with frequent rainfall from June to September effectively scrubbing pollutants from the atmosphere. However, brief periods of pollution can occur during transitional months when agricultural burning coincides with changing wind patterns. For outdoor activities, the months of June through September generally offer better air quality, while sensitive groups including those with respiratory conditions, children, and the elderly should exercise particular caution during the late dry season months. Morning hours often see higher pollution concentrations due to overnight accumulation and morning traffic peaks, making late afternoon typically preferable for outdoor exercise. During pollution episodes, staying indoors during peak traffic hours and using air purifiers can provide additional protection for vulnerable populations.