Wildfires ravage San Diego year after year, leading to devastating, dangerous and deadly consequences. They can have a negative impact on our health, even if we're not directly in the line of fire. Bad air quality can stretch thousands of miles. So CBS 8 spoke with a professor, who is studying the topic and has ways to help us stay safe. "We don't really think that much about the air we're breathing in, but it is a huge determinant of our health, around the world air pollution is one of the leading causes of sickness and death," Dr. Tracey Holloway said, who is a SciLine expert and Professor at the University of Wisconsin, Madison. MORE: https://www.cbs8.com/article/news/local/how-wildfires-impact-air-quality-even-thousands-of-miles-away/509-25217d0f-cf75-42ed-843a-61bfa728f826