After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free skies this week. The Air Quality Index (AQI) — which measures the ...

Angelenos still bothered by the smell of smoke may be surprised to see that Air Quality Index numbers returned to “healthy” or “moderate” levels this week in L.A. County, but they shouldn ...

Indicators like the Air Quality Index (AQI), commonly used to track air pollution levels ... But air quality can vary on a ...

For people living near wildfires in the Los Angeles area, understanding the air quality index (AQI) charts can help you determine if you can safely workout, while outside. The AQI scale ranges ...

This measure, based on data from the Environmental Protection Agency, evaluates states on the number of days the Air Quality Index in counties was not rated “good.” U.S. News calculated a ...

The Air Quality Index, set by the Environmental Protection Agency, is your guide to how bad the air quality is outdoors. The data that goes into the Air Quality Index comes from 5,000 air monitors ...

Use the interactive Air Quality Health Index (AQHI) map or download the WeatherCAN App to track air quality in your community. The AQHI provides a number on a 1 to 10 scale to indicate the level of ...

The LA wildfires have burned tens of thousands of acres – but on some weather maps, air quality still looks good. What’s ...

as judged by the EPA's Air Quality Index rating system. Moderate air quality is between 51 and 100, or in the yellow band of the AQI scale. Air quality in the moderate range can still be risky for ...

Smoke from the Eaton Fire and surrounding wildfires fills the air around downtown Los Angeles. Photo by Jules Hotz for CalMatters. Angelenos still bothered by the smell of smoke may be surprised to ...

The AQI is measured on a scale from 0 to 500, with the lower the number, the healthier the air. (Getty Creative) ...