(HealthDay News) -- Polluted air can trigger a number of symptoms, especially for people with chronic health conditions such as asthma or heart disease.
The American Academy of Family Physicians says you should take these precautions when air quality is poor:
Holiday Flu Surge Drives Record Illness Across the U.S. — Here's What You Can Do
New Trial Shows Pfizer’s mRNA Flu Shot Beats Traditional Flu Vaccine
The Flu Vaccine Can Lower Your Risk Of Heart Attack And Stroke — Even If You Wind Up Infected
They Spent Hours In A Room Full Of Flu Patients And Walked Out Healthy — Here's How