WASHINGTON (DC News Now) — The Air Quality Index is used for reporting on the daily air conditions, how clean or polluted the air is, and how it will affect you and your outdoor activities. The ...

Update, 4 p.m.: An air quality alert previously issued by the Southwest Ohio Air Quality Agency has now been extended through midnight Friday. The alert was only scheduled to last until 11:59 p.m.

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Firefighters work inside a burned structure. After California’s Eaton fire was suppressed in January, invisible gases continued to permeate the air, exposing residents and first responders to ...

Tourists at Big Bend National Park in Texas were warned of unhealthy air quality levels on Tuesday, according to the U.S. Environmental Protection Agency (EPA). An air quality map from the EPA's ...

Every winter and festive season, India's air quality becomes a national concern, and with good reason. Air Quality Index (AQI) numbers dominate headlines and social media feeds, yet many people remain ...

Delhi's air quality has worsened, slipping back into the 'Very Poor' category, with the Air Quality Index (AQI) exceeding 300 ...