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.

The AQI is measured on a scale from 0 to 500, with the lower the number, the healthier the air. (Getty Creative) But many Angelenos aren’t sure if the AQI tells the full story, especially given how ...

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 ...