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Code Red, air quality

What is code red and code purple air quality?

What are "Code Red" and "Code Purple" air quality alerts? The Air Quality Index has six color-coded categories, ranging from cleanest to hazardous.

FOX 5 Washington DC on MSN · 12h

What is a Code Orange or Code Red air quality alert?

· 1d · on MSN

Pennsylvania under code red Thursday with wildfire smoke creating unhealthy air quality

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Pa. declares Code Purple air quality alert statewide as Lehigh Valley reaches ‘hazardous’ levels

The air quality will get worse before it gets better for most of Pennsylvania as smoke from Canadian wildfires continues to stream into the region.

· 7h

Here's When Pennsylvania's Air Will Improve — And How To Check Your Town's Forecast

· 10h

Pennsylvania residents advised to stay indoors as air quality plunges

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Air quality reaches ‘code red’ status in the tri-state area

Air quality index levels are expected to reach unhealthy levels for portions of the tri-state area as smoke from wildfires in Canada continues to pour into our region, according to the Department of E...

· 15h

Philadelphia heatwave: code red air quality alert as wildfire smoke lingers

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Code Red Air Quality alert issued in Pennsylvania amid wildfire smoke

Air quality issues loom over Sunday's World Cup Final. See NJ forecast

Smoke from Canadian wildfires have started to drift into New Jersey. Here's how it could affect the World Cup Final on Sunday.

KameraOne on MSN

Canadian wildfires trigger alarm in New York days before World Cup final

Thick smoke is darkening the sky over New York as smoke from severe wildfires in Ontario, Canada, drifts into the US. Authorities in the city are warning against strenuous outdoor activity due to poor air quality.