The Air Quality Index is a scale used for daily reporting of how clean or polluted the air is, and what health effects might ...

The U.S. Air Quality Index (AQI) is the Environmental Protection Agency’s tool for reporting outdoor air quality and health. The AQI includes six color-coded categories, each corresponding to a range ...

NEW YORK (WABC) -- The Air Quality Index is a scale used for daily reporting of how clean or polluted the air is, and what health effects might be of concern. The AQI focuses on what you might ...

The Air Quality Index, which measures the level of five pollutants, hit 105 in the metro area, including Nassau and Suffolk ...

Wildfires are raging across Canada, and the smoke is being pushed southward. On June 7, extremely poor air quality turned the sky orange in NYC and other parts of the Northeast. Here's a guide to ...

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When news breaks, you need to understand what actually matters — and what to do about it. At Vox, our mission to help you make sense of the world has never been more vital. But we can’t do it on our ...

Air quality levels are expected to exceed an Air Quality Index value of 100 due to elevated ground-level ozone.

PHILADELPHIA (WPVI) -- With smoke blowing into the Philadelphia region from the wildfires in Canada, you may have heard a lot about the Air Quality Index or AQI. But what it is, exactly? The Air ...