The air we breathe every day is a bit cleaner than it was a few years ago, according to an Axios analysis of EPA data. Why it matters: Long-term exposure to poor air quality is harmful to your health.

You've heard of AT&T Fiber, but did you know AT&T rolled out its own 5G internet service? Let's take a closer look at what AT ...

Even if you don't live in an area where wildfires are typical, it's important to know how to protect your health.

Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels ...

LA County Sheriff says about 31,000 people were under mandatory evacuation orders while another 23,000 were under evacuation ...

Think back to the red AQI forecast on your phone. What information was it trying to convey? The Air Quality Index (AQI) is a color-coded tool to relay air pollution threats. Starting at GREEN, for ...

Dust and ash left behind from the wildfires that have devoured tens of thousands of acres across Southern California can be irritating and hazardous when inhaled. NBC Universal, Inc. The Los ...

"They don't have the spatial density or indeed sometimes the temporal density to tell us what's really happening on the kind of localized level that really matters to people," he says. The Air Quality ...

Poor air quality has been detected in multiple states surrounding California. The state has been hit with multiple deadly fires that left thousands of homes destroyed. Wildfire smoke contains fine ...

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

“The air quality index may say something, but that is totally not applicable to us walking on a site that's still smoldering, or smoke coming our way from wind, or us sweeping the dust,” said ...

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily more accurate.