PurpleAir Blog

  • Community Spotlight: West Coast Calibration Factor Study

    Each time a PurpleAir sensor is installed, and air quality data is uploaded to the PurpleAir Map, the quality and reach of our community increases. In this post, we highlight the results from a scientific study and discuss what it means in the bigger picture. The network improves with each additional sensor, and studies like the one in this post are also part of the PurpleAir story.
  • Fireworks Today – Can We Do Better?

    There's no doubt that large, night-sky-filled fireworks are dramatic and thrilling. From the immense splashes of colors streaking across the sky to the booms of massive explosions that send sparkles in all directions, fireworks have a unique place in people's hearts. For many, celebrations like 4th July just feel right if they're capped with dramatic fireworks that get the heart racing. But is that enough? Is the cost too high? Let's see if we can do better.
  • PurpleAir Study Showcase: PurpleAir Sensors Used in Environmental Disparity Study Across US

    This study references real-time PurpleAir sensors to examine how air quality impacts different communities differently. Specifically, the study compares regions characterized according to different ethnicities and races. 
  • Understanding Air Quality: PurpleAir Empowers Community Science

    In this article, we share our in-house rules to guide our editorial decisions. From academic research to work from local communities and governments, we aim to follow and share research projects and Community science initiatives. These studies use PurpleAir sensors to understand air quality impacts through local air quality data.
  • How a Simple Question Grew into PurpleAir

    Since my teens, I have been striving to design and build electronic gadgets, but PurpleAir did not start as a project like that. With PurpleAir, I did not set out to start a business at all. I set out to answer a question, and once it was realized that answer might be interesting to other people, everything changed. Our origin story is a little different. Here’s how it goes:
  • DIY Project: Box Fan Air Purifier

    During wildfire season, ventilating our home can be a challenge. Opening the doors and windows could mean the opposite; instead of letting in fresh, clean air, we can be letting in the air with a lot of particle pollution accumulation. Here we will teach you how to make a box fan air purifier with a DIY project.
  • Community Scientists

    Are you curious about the air quality around you? Do you want to learn more and contribute to your community with your air quality projects? Join our ranks as a Community Scientist!