Spain's preparations for the FIFA World Cup 2026 final have been disrupted after hazardous air quality caused by smoke from Canadian wildfires affected training conditions in northern New Jersey. With thick haze obscuring the sun, the Spanish squad trained outdoors on Thursday in East Hanover despite air quality warnings issued across parts of the northeastern United States. Spain will face defending champions Argentina in Sunday's World Cup final in nearby East Rutherford, where organisers expect conditions to improve before kickoff.
Media were allowed to observe only the opening 15 minutes of Spain's scheduled hour-long training session, making it unclear how intense the workout was under the challenging conditions. Meanwhile, Argentina continued its preparations in Marietta, Georgia, where air quality remained largely unaffected by the wildfire smoke. The smoke has drifted southeast from major wildfires burning in northern Ontario, prompting air quality alerts across several regions stretching from the US Midwest to the Northeast.
Health authorities advised residents to remain indoors or wear protective masks when outside as air quality levels ranged from unhealthy to hazardous. Medical experts expressed concern over professional athletes training outdoors under such conditions. Dr. Courtney Howard, an emergency physician and official with the Global Climate and Health Alliance, said high-intensity exercise in hazardous air can significantly increase the amount of polluted air entering the lungs and suggested that indoor, air-conditioned facilities would be a safer option for training.
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FIFA and the Spanish Football Association did not immediately respond to requests seeking clarification on whether indoor training alternatives had been considered. According to the US Environmental Protection Agency's AirNow monitoring system, air quality in East Hanover improved during the day from "unhealthy" to "unhealthy for sensitive groups." Particle pollution levels, however, remained significantly above the standards recommended by the World Health Organization. Forecasts indicate that conditions are expected to improve to a "moderate" level by Sunday, when the World Cup final is scheduled to take place.
Scientists and public health experts have warned that wildfire smoke contains thousands of harmful particles and chemical compounds capable of affecting multiple organs in the human body. Increased physical activity during exposure can worsen the impact because athletes inhale substantially larger volumes of air. Researchers note that smoke exposure can trigger respiratory problems, aggravate asthma, increase inflammation and place additional strain on the cardiovascular system, even in otherwise healthy individuals.
Environmental health specialists say wildfire smoke has become an increasingly common concern as climate change contributes to more frequent and intense wildfires across North America. Experts estimate that smoke from such fires contains more than 1,000 toxic substances, including formaldehyde and volatile organic compounds commonly associated with combustion. While air quality is expected to improve before Sunday's final, Spain's disrupted preparations have highlighted the growing challenge that environmental conditions can pose to major international sporting events.
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