The Air Quality Index (AQI) is used by various government agencies to report how clean or polluted the air is in your area. For example, you may have spotted this metric popping up in local ...

The EPA breaks the Air Quality Index into a few categories with different recommendations. Green (0–50): The air is safe to ...

What is a "Code Red" air quality alert and how it impacts you 02:17. PHILADELPHIA (CBS) -- Air Quality Index (AQI) refers to the Environmental Protection Agency's scale regarding the health impact ...

An air quality alert was issued Thursday by the National Weather Service for the entire Chicago area through Friday night.

Air pollution reduces the average life span globally by 2.3 years, making it the "greatest external threat to human life expectancy," according to the annual Air Quality Life Index report ...

Smoke from the Madre Fire in San Luis Obispo County could potentially bring poor air quality to the High Desert over the July ...

What the Air Quality Index doesn’t tell us about the air This moment demands more than headlines In a time of noise, confusion, and spin, we’re committed to clarity, truth, and depth — even ...

The air quality index, a composite of five pollutants, skyrocketed to over 400; above 300 is considered hazardous. ... The Air Quality Life Index at the University of Chicago, ...