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 ...

According to the National Air Quality Index, ozone pollutants are expected to reach the "orange" level, which is considered unhealthy for sensitive groups, particularly young children, the elderly, ...

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.

Air quality in Los Angeles has improved as the Palisades and Eaton wildfires get under control. But as the fires burned through houses, cars and industrial areas, they spewed out vast amounts of smoke ...

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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 ...

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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 ...