PurpleAir Blog | Making Air Quality Accessible For All

Winter brings sealed windows, wood smoke, and rising VOCs that can make indoor air worse than outdoor. Here's how cold weather affects your home's air.

Redfin tapped PurpleAir for expert advice on cutting indoor allergens. See the five practical steps, from HEPA purifiers to MERV filters and daily habits.

Air quality data is becoming part of the home-buying checklist. Learn how to research it, compare neighborhoods, and use it as a real estate selling point.

Air quality has joined schools, commute, and crime as a factor in real estate. Here's how buyers, sellers, and agents are using it and what it means.

Wildfire smoke can impact your health. Discover common wildfire smoke inhalation symptoms here.

What does wildfire containment mean? Learn about control lines, suppression tactics, and more here!

Some fires are extinguished in a matter of hours, while others burn for weeks or even months.

How fast do wildfires spread? Rate of spread depends on wind, fuel, terrain & weather. Click here to learn more.

Because wildfires occur so frequently, you may find yourself wondering: what exactly counts as a wildfire, and what causes them?

An Air Quality Index (AQI) is a scale that translates air quality data into health recommendations that are more understandable for the average person.

The US EPA classifies six air pollutants as being the most commonly found, labeling them as criteria air pollutants.

The effects of air pollution can be difficult to recognize, that's why identifying exposure is key to combating it.