A "Code Maroon" air quality alert is the worst air quality alert based on the AQI. It means the value of index is 301 or higher, and everyone is more likely to be affected by the particles in the air.

Please look at the time stamp on the story to see when it was ... What does a Code Orange Air Quality Alert actually mean ... An Air Quality Index of 151 to 200 will result in Code Red conditions.

CANCER. I HAD SOME TEACHERS IN MY NEIGHBORHOOD ASKING ME, TOMORROW, CODE RED KIDS SHOULD PROBABLY STAY INSIDE. THEY PROBABLY SHOULD FOR RECESS. YEAH, ANYONE WHO CAN SHOULD. RIGHT. LAINEY YEAH ...

A "code red" air quality alert was issued for our area Wednesday, due to high levels of particle pollution from the wildfires in Canada.The rain has helped quite a bit, bringing us back down to a ...

When values at or below 100, they are generally thought of as satisfactory. However when when values reach 100 or above, air quality is unhealthy and poses a risk for sensitive groups of people.

The alert began just before 8 p.m. Monday evening and lasts until 11 p.m. Tuesday night. “Under Code Red conditions, particulate matter concentrations are expected to reach unhealthy levels ...

Parts of South Australia are bracing for temperatures nearing 50C - with authorities issuing a 'code red' alert. Oak Valley in South Australia will hit 48C while the Nullarbor is looking at a top ...