European wildfires: Millions breathe toxic air in France and Spain as pollution enters danger zone

Wildfires in France and Spain have caused hazardous air pollution affecting millions of people.

The fires release microscopic pollutants that threaten respiratory and cardiovascular health.

The blazes add millions of tonnes of carbon emissions to the atmosphere.

Scientists warn the crisis extends beyond the flames, raising concerns about public health and climate resilience.

The wildfires are part of Europe's worst wildfire season in years, exposing forest management failures.