As wildfires continue to ravage Europe, the air is becoming increasingly hazardous to breathe. CNN’s Nada Bashir explains Europe’s Air Quality Index and what it tells us about the pollutants affecting millions across the continent.
As wildfires continue to ravage Europe, the air is becoming increasingly hazardous to breathe. CNN’s Nada Bashir explains Europe’s Air Quality Index and what it tells us about the pollutants affecting millions across the continent.