FOX 5 New York on MSN

What is Code Purple air quality? What do Code Orange, Red and Purple mean?

Air quality alerts can change quickly during wildfire smoke events. Here’s what Code Orange, Code Red, Code Purple and Code ...
FOX 29 Philadelphia on MSN

Code Red issued in Philadelphia: Air Quality Index hits 211

Philadelphia issued a "Code Red" air quality alert Thursday due to Canadian wildfire smoke, with air quality reaching "Very ...
FOX 29 News Philadelphia on MSN

Code Red air quality alert in effect across PA, NJ due to Canadian wildfire smoke

A statewide Code Red air quality alert is in effect across Pennsylvania and New Jersey today as smoke from Canadian wildfires ...