air quality

Code Red air quality alert in effect across all of Pa., NJ, Del. Philly public pools closed Thursday

Haze dissipates, air quality improves to ‘moderate’ conditions Air quality alert still in effect in Philadelphia

Why the air is so unhealthy to breathe right now

Air quality improving but still poses a health risk Officials expect the haze to clear through the weekend

Air quality warning issued in Port Richmond after scrap yard fire Residents advised to stay inside or avoid the area

Medical Report: Poor air quality hurts much more than breathing