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 ...

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 ...

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 ...

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 ...

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 ...

We've seen over the past couple of years, major wildfires can have *** big impact on air quality and sometimes bad air quality isn't always obvious. Meteorologist Heather Waldman tells you how to ...

Smoke from Canadian wildfires blanketed much of the Great Lakes region Wednesday, sending the air quality to unhealthy levels. Chicago and Detroit were among the top three cities with the worst air ...

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 ...