The air quality index measures PM2.5, less than 2.5 microns particles, to determine the intensity of air pollution in cities.
Donald Trump has made drastic changes to the Environmental Protection Agency. Here’s how they could impact efforts to reform ...
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.
Even if you don't live in an area where wildfires are typical, it's important to know how to protect your health.