Q: Given a scientific passage and an answer, generate a question for the given answer.
Passage: If you are painting indoors, there are more important concerns than just getting messy. You should also be concerned about breathing in the fumes from the paints. Making sure to get plenty of fresh air while painting is very important. Paint fumes can have serious health effects. Paint fumes are just one example of indoor air pollution. Answer: paint fumes
A:
Give an example of air pollution while painting indoors.