air quality

Orange Air Quality Alert issued in Philadelphia and NJ Thursday: NWS
An "Orange Alert" means air pollution concentrations within the region may become unhealthy for people of sensitive groups.
Ozone levels prompt air quality alert in Philadelphia area
A colossal cloud of Sahara dust is en route to the US
Canadian wildfires threaten air quality into some US states
Nearly half of US lives in poor air quality areas, including Philly
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'It's not safe': SoCal wildfires pose hidden hazards in the air
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VP Harris attends Houston fundraisers ahead of congresswoman's funeral
Crews examine possible chemical contamination at Philadelphia trail
Parts of Philadelphia area under 'Code Orange' air quality alert
Canadian wildfire smoke blows into US, impacting Midwest air quality
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EPA monitoring air quality in Reading after massive fire
Air quality alerts remain in effect across Delaware Valley
Philly closes city pools due to wildfire smoke; free masks available
Air quality alerts in effect due to smoke from Canada
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More Stories
Ozone levels prompt air quality alert in Philadelphia area
A colossal cloud of Sahara dust is en route to the US
Canadian wildfires threaten air quality into some US states
Nearly half of US lives in poor air quality areas, including Philly
Best humidifiers and simple maintenance tips to help keep you healthy
'It's not safe': SoCal wildfires pose hidden hazards in the air
The best air purifiers of 2025
Is wildfire smoke impacting your air quality? Here's what to do now
Solutions to monitor air quality and keep your home clean
VP Harris attends Houston fundraisers ahead of congresswoman's funeral
Crews examine possible chemical contamination at Philadelphia trail
Parts of Philadelphia area under 'Code Orange' air quality alert
Canadian wildfire smoke blows into US, impacting Midwest air quality
Facing the Facts: Environmental Justice | Watch full special
EPA monitoring air quality in Reading after massive fire
Air quality alerts remain in effect across Delaware Valley
Philly closes city pools due to wildfire smoke; free masks available
Air quality alerts in effect due to smoke from Canada
Show More
Show Fewer