What dangers does smoke from wildfires pose? Who is most at risk? Here are some answers to health questions often asked, especially now with large wildfires raging in France and Spain.
Thousands crowded into emergency shelters in France and Spain on Sunday after wildfires drove more than 300,000 people to flee their homes and holiday accommodation.
The blazes have destroyed houses, displaced people on a massive scale and triggered one of the largest peacetime civilian evacuation operations ever carried out in France, with major fires still burning in both countries.
What is in the smoke?
Fires burning vegetation generate gas and particles in the air that are dangerous for our systems, notes Anses, France's health safety agency.
