As smoke from Canadian wildfires has made its way into the U.S., it is important to understand how the air quality index works. Here's what each color code means.

If you're seeing a thick haze outside your window, it's likely air pollution. Here's how to find out what the air quality is near you.

There has been a lot of talk about air quality levels as nearly the NYC area has been engulfed by smoke coming down from wildfires in Canada. What do the numbers mean? Here’s an explanation.

When wildfires burn into urban areas, people rely on the metric to assess if the air is safe to breathe. But AQI doesn't ...

From particulate matter to the AQI, here's what you need to know to protect yourself as the smoky haze settles over much of the East Coast.

Have questions about Indiana's air quality? Is the air safe? How to check air quality in Indianapolis and Indiana. We have answers.

Mayor Eric Adams said said the city’s air quality index hit 484 on a scale of 500 Wednesday afternoon.