AdvertisementAir Pollution May Be As Harmful To Your Lungs As Smoking Cigarettes, Study Finds03:21Download AudioResumeAugust 13, 2019Allison AubreyfacebookEmailSmog is common not only in Los Angeles but also in cities across the country. New research finds that long-term exposure to high levels of air pollution may be as harmful to the lungs as smoking. (Getty Images)