New York area stadium visibility impacted by wildfire smoke ahead of World Cup final
Wildfire Smoke Concerns for the World Cup Final
The New York New Jersey Stadium in East Rutherford, New Jersey, is set to host the FIFA World Cup final on July 19, 2026. However, concerns are emerging regarding the potential impact of wildfire smoke on the event. This summer, plumes of fine particulate matter from fires in the American and Canadian West have frequently affected the northeastern United States, leading to hazardous air quality conditions and orange skies.
According to available information, FIFA reportedly lacks a comprehensive contingency plan for such an event. The health implications for both players and spectators are significant.
Health Risks Associated with Wildfire Smoke
Wildfire smoke is not merely a haze; it contains a mixture of fine particulate matter (PM2.5), ozone, nitrogen dioxide, carbon monoxide, and volatile organic compounds. PM2.5, which refers to particles smaller than 2.5 micrometers in diameter, is particularly concerning due to its ability to penetrate deep into the lungs and enter the bloodstream.
Dr. Abeer Berry, director of noninvasive cardiology at DMC Huron Valley-Sinai Hospital, stated that air pollution is a major environmental cardiovascular risk factor, with PM2.5 being the most studied pollutant. She added that air pollution is the fourth leading risk factor for global mortality.
Research published in the New England Journal of Medicine suggests that wildfire PM2.5 may be more toxic than urban air pollution, containing higher concentrations of oxidative and pro-inflammatory chemicals. When this smoke reaches urban areas, its effects on immune cells can be up to five times more intense compared to typical city pollution.
Dr. Mohammed Alo, former assistant clinical professor of medicine at Midwestern University and Ohio University, highlighted the established link between air pollution and cardiovascular disease. He noted that short-term exposure can increase the risk of myocardial infarction, stroke, heart failure, arrhythmia, and sudden death. Longer-term exposure can further amplify these risks.
Dr. Berry also noted that toxic chemicals from wildfire smoke can destabilize patients with coronary artery disease. Air pollution can elevate blood pressure and heart rate, increase insulin resistance and total cholesterol, and contribute to accelerated plaque accumulation.
Impact on Athletes and Spectators
Elite athletes are particularly vulnerable during smoke events. During a typical 90-minute match, professional soccer players cover significant distances at varying intensities. At peak exertion, their minute ventilation can increase tenfold, leading to a much higher inhalation of polluted air compared to a sedentary person.
The Canadian Academy of Sport and Exercise Medicine warns that athletes exercising intensely during poor air quality conditions significantly increase their intake of harmful particles. This can lead to impaired lung function, airway inflammation, increased airway resistance, and exacerbations of asthma. Cardiovascular effects can include endothelial dysfunction, increased blood pressure, altered heart rate variability, and a heightened risk of heart arrhythmias.
For an athlete performing in a World Cup final, these physiological impacts could impair performance, trigger an asthma attack, or potentially cause a cardiac event. The New York New Jersey Stadium can hold over 82,000 spectators. On a smoky day, tens of thousands of individuals, including children, elderly fans, pregnant women, and those with asthma or heart disease, would be exposed outdoors for hours. The American Heart Association identifies these groups as especially susceptible to PM2.5-related cardiovascular and respiratory issues.
Even healthy adults can experience throat irritation, coughing, headaches, and shortness of breath from hours of exposure at AQI levels above 150 (“unhealthy”). At AQI levels above 200 (“very unhealthy”), the U.S. EPA recommends that the general public reduce prolonged outdoor exertion and that outdoor events be rescheduled. Beyond the stadium, millions of fans could gather at outdoor watch parties and fan zones, increasing population-level exposure.
Dr. Alo advises patients with cardiovascular disease or risk factors to check the EPA Air Quality Index before planning outdoor activities.
Potential Contingency Measures
FIFA faces complex decisions regarding potential responses to poor air quality. Relocating the final to a city with cleaner air, such as Dallas or Los Angeles, is considered the most effective health intervention, as eliminating exposure is a primary public health control.
However, moving such a significant sporting event with short notice presents substantial logistical, contractual, and financial challenges. Playing in a domed or retractable-roof stadium could significantly reduce PM2.5 exposure, especially with modern HVAC filtration. The New York New Jersey Stadium is an open-air venue, and a comparable indoor stadium is not readily available nearby, suggesting this option would likely require a venue change.
While N95 respirators can filter over 95% of PM2.5 particles and are recommended by sports medicine bodies for athletes training in poor air quality, systematic reviews indicate they can reduce oxygen uptake, increase perceived exertion, and impair maximal exercise performance. These effects could be crucial in a World Cup final, and no elite soccer governing body has ever mandated players compete in respirators.
Distributing N95 masks to 82,000 spectators is logistically feasible and could reduce individual exposure, but compliance would be voluntary, fit varies, and masks do not protect against gaseous pollutants like ozone. Postponing the match by 24 to 48 hours, if air quality forecasts predict improvement, may be the most pragmatic compromise. Wildfire smoke episodes are often transient, influenced by wind patterns that can shift within a day. This approach would preserve the venue and the spectacle while prioritizing health. Sporting events have been delayed for lightning, extreme heat, and volcanic ash, suggesting air quality should receive similar consideration.
The science confirms that wildfire smoke is harmful, with physical exertion amplifying its effects. Organizations like the American Thoracic Society, the American Heart Association, and sports medicine bodies globally agree that outdoor activity should be modified or curtailed when AQI levels are elevated. On July 16, air quality in western regions of New York was considered “very unhealthy,” while the New York City metro area experienced “unhealthy” air quality, with a thick haze impacting visibility across the region, including MetLife Stadium.
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Source: forbes.com
