AirNow.gov The health impacts included in the index are those that people are likely to experience within "a few hours or days" after being exposed to the air, the National Weather Service Says.

This has left millions of Americans at risk of exposure to poor air quality and health impacts. As people seek ways to stay safe, it is important to understand how the air quality index, or AQI ...

The Air Quality Index Explained: What It Means and How to Stay Safe It is wildfire season, which could mean more air pollution, too. Here are a few tips to protect yourself.

Social media users are sharing information and updates regarding the wildfires. A user wrote, “Canada is burning and the AQI ...

Smoke from Canadian wildfires have continued to drift over the Midwest, blanketing the region with haze and poor air quality, prompting the National Weather Service (NWS) and local departments to ...

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air for at ...

From 151 to 200, air quality enters the red zone, which is unhealthy for members of the general public, who can minimize health risks by reducing long or intense outdoor activities. The next stage ...