Smoke from Canadian wildfires has impacted the air quality throughout United States, including in the northern High Plains, Midwest, Great Lakes, southern Mid-Atlantic and into the Northeast. This has ...

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 ...

Here’s how to understand the Environmental Protection Agency’s Air quality index (AQI), which measures, on a 300-point scale (along with six categories and advisories), the quality of air in any given ...

Smoke from wildfires in Canada has drifted into the U.S., prompting air quality alerts for Americans as it continues to spread. But when officials and forecasters classify a city's air as "unhealthy" ...

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 ...

PHILADELPHIA (CBS) -- Air Quality Index (AQI) refers to the Environmental Protection Agency's scale regarding the health impact of air quality and pollution in the U.S., regulated under the Clear Air ...

If you live in regions like North India or cities like Delhi, what dominates concerns for every individual and family November onwards is the worsening AQI. Air Quality Index (AQI) numbers dominate ...

It is wildfire season, which could mean more air pollution, too. Here are a few tips to protect yourself. By Adeel Hassan and Hilary Howard Wildfires burning across Canada are generating clouds of ...

After wildfires burn through urban areas, publicly available air quality assessments may not adequately warn people about harmful air pollutants. Expanding today’s air quality metrics requires more ...

Given morning allergy attacks and news of everything from long wildfire seasons to Saharan dust clouds, many people are concerned about the air quality in their homes. While an indoor air quality ...

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 weather ...

The color-coded Air Quality Index categories you’ll find on the Environmental Protection Agency’s AirNow website rank air quality on a 500-point scale and are meant to give the public an easy way to ...