England’s upcoming match at the Azteca Stadium in Mexico City presents a range of physical challenges beyond the usual demands of professional football, with altitude and pollution both expected to impact player performance. The stadium, situated approximately 2,240 meters (7,350 feet) above sea level, exposes athletes to thinner air, while the city’s historically poor air quality adds another layer of difficulty.

The Directorate of Atmospheric Monitoring in Coyoacan, the borough containing the Azteca, recently reported improved air quality levels described as “good,” a notable change after Mexico City experienced only three days of acceptable air quality in the first 48 days of 2026. Despite this improvement, pollution remains a concern, characterized by frequent smog and diesel odors in the urban atmosphere.

Former Colombia international Franky Oviedo, who played for Club America—the Azteca’s home team—for four years, highlighted the combined effects of altitude and pollution on physical performance. Oviedo explained that the reduced oxygen at high altitude makes breathing harder and leads to heavier legs, affecting overall stamina and coordination. He also noted how the ball’s behavior changes in these conditions: “The ball travels faster, it slows down less because the air is thinner. So the ball comes and you think it’s coming at a certain speed because of habit and, before you know it, it’s right on top of you.” According to Oviedo, this discrepancy between perception and reaction time—compounded by oxygen deprivation—results in altered passing, ball control, and shot trajectories during gameplay.

Adding a medical perspective, Juan Angel Hernandez, a sports medicine specialist at the National Autonomous University of Mexico (UNAM), emphasized the physiological toll high altitude takes on athletes. Hernandez pointed out that at elevations above 1,200 meters (3,900 feet), oxygen levels can be approximately 30 percent lower, causing a potential decrease in aerobic capacity by up to 3.1 percent. This reduction affects players’ running ability, which is critical given that a typical soccer match involves covering four to six miles. Hernandez also noted slower recovery post-match due to diminished energy stores, suggesting that teams might need to adjust nutrition strategies or consider supplements like iron to enhance oxygen transport through increased red blood cell production.

These combined environmental and physiological factors suggest England’s squad will face considerable obstacles during their match at the Azteca Stadium, requiring careful preparation to mitigate effects on endurance, reaction times, and overall performance.