The report says the main hazard is PM2.5, fine particles small enough to enter the lungs and affect the cardiovascular system. At very unhealthy levels, the risk extends beyond people with existing breathing or heart conditions.
Breathing problems, chest discomfort and reduced tolerance for exertion are particular concerns around a major final, when fans may spend hours travelling, queuing and gathering outdoors. Local air-quality reports should remain central to matchday planning.
New York City reportedly reached Code Red status during the week, with heat-index values expected to move into triple digits. That combination of heat and smoke places additional pressure on anyone exercising or standing outside for long periods.
The report says hot, smoky conditions could continue through Friday before showers and thunderstorms arrive on Saturday. Sunday’s outlook is more favourable, with partly sunny skies and temperatures in the mid-80s, although the final forecast remains important.
Confusion, dizziness, nausea, rapid pulse, hot dry skin or unconsciousness can signal heatstroke and require urgent attention.
The final should be defined by football, not the weather, but conditions will remain a storyline until kickoff. Fans should monitor the latest air-quality and heat guidance before setting out, while organisers will need to keep health measures ready even if Sunday brings the expected improvement.