What does Code Purple mean? Explaining the air quality index

Pennsylvania is under a statewide Code Purple air quality alert on Friday because of smoke from the wildfires in Canada and Minnesota. But what does that mean?

• Jul 17

Air quality in Philly shows signs of improving; trash pickup to resume Saturday

Philadelphia Health Commissioner Dr. Palak Raval-Nelson says some forecasts say a return to Code Purple is possible Friday night.

• Jul 17

More than $2 million in unpaid Pa. Turnpike tolls collected

A one-month, concentrated initiative between the two helped collect millions in unpaid tolls.

• Jul 17

Philadelphia becoming gluten-free destination and everyone has a seat

The Wicked Gluten Free Expo in Oaks, Pennsylvania, has grown into one of the largest gluten-free festivals in the country.

• Jul 17

Unhealthy air quality leads to Code Red alert in Philadelphia area

Air quality has reached unhealthy levels in the Philadelphia region, leading to a Code Red alert being issued.

• Jul 17

Maps show wildfire smoke forecast as air quality worsens in Philly region

Wildfire smoke​ from Canada and Minnesota is causing hazardous air quality​ in the Philadelphia region and has prompted warnings from health officials.

• Jul 17

Francisco Alvarez homers twice as Mets beat Phillies under smoky sky

Francisco Alvarez homered twice, Brett Baty also went deep and the New York Mets defeated the Philadelphia Phillies 4-1 in the first major league game following the All-Star break.

• Jul 16

Tornado warning for parts of Burlington and Ocean counties expires

A tornado warning for parts of Burlington and Ocean counties in New Jersey expired at 8:30 p.m.

• Jul 16

Philly soccer fans sound alarm over FIFA's dynamic World Cup pricing

More than 400,000 fans experienced the FIFA World Cup in person at Lincoln Financial Field in Philadelphia, but for some, the prices made it impossible to attend.

• Jul 16

Stockton University's CSI Camp offers hands-on experience solving crimes

At Stockton University, high school students learn the ins and outs of criminal investigations through scenarios inspired by the hit TV show CSI.

• Jul 16

Smoky skies in Delco force Tyler Arboretum summer campers indoors

Poor air quality from Canadian wildfire smoke is forcing some outdoor summer camps in Delco to rethink their daily routines by moving activities indoors and limiting time outside.

• Jul 16

"Very unhealthy" air quality expected across Pennsylvania on Friday

Wildfire smoke from Canada is leading to a Code Purple air quality alert on Friday in Pennsylvania.

• Jul 16

LeBron James says he isn't ready to reveal a decision on his future

LeBron James, the NBA's career scoring king and current free agent, remains undecided about where he'll play this season.

• Jul 16

Air quality concerns in Philadelphia move Phillies-Mets start time up

Air quality concerns in Philadelphia have led the Phillies to move up the start time of their series opener with the Mets by an hour.

• Jul 16

Phillies likely lose key late-inning reliever for season with UCL tear

The Philadelphia Phillies placed right-handed pitcher Brad Keller on the 15-day IL with a torn UCL in his right elbow.

• Jul 16

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