I live in one of the haziest cities in America right now—here’s how I protect the air in my car

In the summer of 2023, an eerie and lingering haze blanked skies all across the East Coast following a record wildfire season in Quebec. New York City’s Air Quality Index reached a hazardous level of 465 as the smoke eventually drifted into cities like Boston, Washington, D.C., and Philadelphia. More than 350 million people were exposed to record levels of unhealthy air before it finally cleared.