Air quality alert in effect for Philadelphia and surrounding Pennsylvania counties

A Code Orange alert is in effect Wednesday, Feb. 18, for all of southeastern Pennsylvania due to poor air quality levels ...

Philadelphia launches real-time air quality monitoring system: "This is public health in action"

Part of the Breathe Philly initiative​, more than 70 ground-level monitors installed across Philadelphia will provide hourly ...

Air quality alerts are being extended in Pa., but relief may come soon

Air quality alerts in Pennsylvania are being extended, affecting central counties, including Dauphin, Cumberland, Lebanon, ...

Air quality alert issued for much of tri-state area: What to know

On top of the fact that Wednesday is a messy, murky day weather-wise in the tri-state area, much of the region is also under an air quality alert due to elevated levels of fine particulate matter (PM ...
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Sentinel ICBM program hit by software delays, Minuteman extension risks: GAO

Switching from the Minuteman III to the Sentinel system, led by Northrop Grumman, involves the replacement of more than 600 facilities across five states.