PurpleAir Blog | Making Air Quality Accessible For All
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Update 2022: Air Quality Life Index (AQLI)
The Energy Policy Institute at the University of Chicago released an update to the Air Quality Life Index earlier in 2022, bringing us new insights into the air quality around the world. -
What are R2 values in Air Quality?
Recognizing the benefits and challenges of having low-cost sensors widely available, South Coast AQMD is helping to assess the wide range of performance from these sensors through their AQ-SPEC program. Accurate sensors "significantly augment and improve current ambient air monitoring capabilities that now predominantly rely on more sophisticated and expensive fixed-site federal-reference monitoring devices and methods." -
Wildfires in the News: Biggest Wildfires And Their Impact
The NOAA reports that wildfires have burned over 3.9 million acres from January to June 2022, the second-highest amount on record. July continues the trend, from the blaze across Yosemite National Park in California to others hitting the USA. We review some of the headlines from July that have had the most significant impact on the environment and local air quality. -
Indoor vs Outdoor Air Quality – What’s the Difference?
Thanks to modern indoor and outdoor air quality monitors, you can quickly compare air quality around you to make the best decision for your home or office.
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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 of 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. -
Why Does 'Particulate Matter' Matter?
For nations in the Northern Hemisphere, we can expect July and August to be the hottest and driest months. Fire danger warnings increase and vast areas become vulnerable to wildfires. This can mean heavy smoke and smog, and here are three reports we should remember as we plan our activities. -
Summer Air Quality: How You Can Be Prepared
Across Western US states, the warmer weather can open the landscape to wildfire risks. Make sure you know what’s happening with your air quality.
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Understanding Air Quality: PurpleAir Empowers Community Science
Learn our in-house rules to guide our editorial decisions. From academic research to work from local communities & governments, we share research projects and community science initiatives. -
Everything You Need in a Wildfire Emergency Plan (With Checklist)
Every year the world experiences wildfires, and it is always a good idea to have a clear action plan. Be prepared in case unexpected situations arise by following this checklist. -
Urban Trees That Help Reduce Air Pollution
Today, we're looking at how trees affect your air quality, why cities need more trees, and which ones can help improve it. -
Common Indoor Air Pollutants: Does Cooking and Cleaning Create Air Pollution?
Indoor air is not receiving the necessary attention despite how people spend 90% of their time inside. Learn more about the most common indoor air pollutants.
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DIY Project: How to Make a Box Fan Air Purifier
During wildfire season, ventilating our home can be a challenge. Here, we will teach you how to make a box fan air purifier with a DIY project.
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