Every hectare of Amazon forest burned costs Brazilian cities at least $15 million to treat disease. An estimated <> million cases of respiratory and cardiovascular diseases each year cost Brazil's healthcare system alone $<> billion.
The Amazon is the largest tropical rainforest in the world, spanning more than 6.7 million square kilometers in 9 countries in South America. The team's analysis indicated that the Brazilian Amazon becomes one of the world's most polluted regions during the wildfire season at the end of July to November each year.