Environment & Science

Air quality in the Lehigh Valley is expected to be a little bit better on Thursday, though we're back under a code red alert for the second straight day.

As smoke from the Canadian wildfires continues to shroud the skies of the Lehigh Valley, air purifiers have become a hot-ticket item at just about every retailer.

Lafayette on May 26 submitted plans to replant College Hill after it was deforested for a $1.2 million walkway project. Here's the plan.

The Lehigh Valley is under a code red air quality alert in effect until midnight due to Canadian wildfires. Here are the latest updates on the smoke.

The air quality in Allentown, Bethlehem and Easton is so bad, it’s the equivalent of smoking more than 14 cigarettes.

Smoke from wildfires in Canada can be seen and smelled in much of the northeast, including the Lehigh Valley. Local pulmonologists are weighing in with what to do to avoid too much exposure.

The Lehigh Valley is under a code red air quality alert in effect until midnight.

The National Weather Service says thick smoke associated with wildfires in Canada is moving into parts of Pennsylvania and New Jersey.

Allentown Fire Department is warning against any outdoor fires due to dry conditions and elevated winds as a red flag warning continues for the region.

Any fires that develop may quickly get out of control and become difficult to contain, the National Weather Service said in a red flag warning in effect for the area until 8 p.m.

Don't just go by what's on the packaging. Best to check online, too, a local expert says.

Ice, mist and fruit- or fish-infused 'ice cakes' are being used to cool down inhabitants.

A Lehigh Valley doctor says the antiviral regimen is readily available -- and effective.

It's not just people -- pets need someone to keep watch during extreme heat, too.

There were around 1,500 cases reported in the U.S. as of Monday.

It's OK to feed the birds again since the mysterious illness has disappeared.

Some say the app is still useful and could be adapted to other uses.

If you have symptoms, no matter where you are, isolate yourself as best you can, an expert says.

The collection shares the cumulative experience of heritage, according to the museum curator.

It's more contagious but doctors are not seeing many hospitalizations. Yet.

An environmental law expert says the EPA retains substantial authority to regulate emissions.

The programs are putting a different spin on the traditional summer camp experience.