Public Health

From particulate matter to the AQI, here's what you need to know to protect yourself as the smoky haze settles over much of the East Coast.

Across the eastern U.S., officials warned residents to stay inside and limit or avoid outdoor activities again Thursday.

A Code Red Air Quality Alert will be in effect for Delaware Thursday, and Pennsylvania and New Jersey will be under a Code Orange.

Outdoor venues are typically packed for the weekly happy hour promo — when there aren’t major air quality concerns.

Smoke from Canadian wildfires is pouring into the U.S. East Coast and Midwest and covering the capitals of both nations in an unhealthy haze.

Here's what you need to know about the wildfire smoke and air quality situation in Philadelphia, Pennsylvania, New Jersey, and Delaware.

Smoke is being funneled down from raging wildfires in Quebec due to “a unique weather pattern,” the Health Department said.

The National Weather Service said air quality has "plummeted" across the Northeast. A disaster preparedness expert says people should take the warnings seriously.

It’s taken two rounds of testing, and the process was marred by sloppiness and a lack of transparency, but a $3.8 million “shot of adrenaline’’ is coming.

A spokesperson for Crozer Health said it is working to address the issue and expects the vehicles to be “returned to service over the course of two weeks.”

We asked dermatologists to share their tips to optimize protection and we learned about the common misperceptions they hear from patients.

More than half a million people at risk live in areas with low vaccination rates, according to CDC. This puts them in danger of large, sustained outbreaks.

In a City Council hearing, officials admitted there’s work to be done to prepare Philly’s drinking water system for future threats.

Vulnerable populations in Delaware, including children, older people, and those with asthma, heart disease, and lung disease, are advised to avoid outdoor activities.

The oversight board also does not let the public speak at meetings and says it’s not subject to the state’s Right-to-Know Law.