It seems Universal Orlando Resort may have introduced an air quality information feature to their app due to the location of ...

As firefighters close in on the Palisades and Eaton fires — with both nearly 100% contained as of Tuesday, Jan. 27 — concerns remain about lasting public health impacts across L.A. county from the ...

Many of the air quality sensor maps only show particle concentrations, but there are also gases that are concerning, such as formaldehyde, polyaromatic hydrocarbons and nitrogen oxides ...

Sierra County was worst affected, with a peak Air Quality Index (AQI) of 168 in its county seat of Downieville, according to government-run website Air Now. AQIs above 150 are considered unhealthy ...