As wildfire smoke blankets the East Coast, Air Quality Index and PM2.5 numbers are everywhere. Here’s what they mean. Air Quality Index, or AQI, and PM2.5, particulate matter which measures 2.5 ...

Shelter-in-place orders during the early stages of the coronavirus pandemic briefly created the best air quality in decades, but forest fires on the West Coast of the United States have taken things ...

A research team including the Japanese Circulation Society has uncovered a link between air pollution and heart attacks. In its study, the researchers determined that exposure to high concentrations ...

Massive wildfires raging in eastern Canada are sending huge plumes of smoke across the border, blanketing thousands of square miles in the Northeastern U.S. and Upper Midwest, and casting a haze over ...

HEPA filters. Advanced Air Cleaner. Bioweapon Defense Mode. Before COVID-19, these sorts of features in an automobile were perhaps nice to have for some people but unlikely to be on the top of ...

While Chicagoans may have heard the city's air quality is particularly bad right now, just how bad is it and what exactly is causing the "unusual" levels? The conditions have already led to an air ...

Particulate matter 2.5 can penetrate deep into the lungs and enter the bloodstream if inhaled. Long exposure can worsen and ...

When they flew downwind of a Utah magnesium refinery to record its emissions, researchers didn’t need fancy monitoring equipment to figure out when the plane was inside the chemical plume rising from ...