PurpleAir Blog | Making Air Quality Accessible For All
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What is Temperature Inversion?
Have you ever seen smog linger over a city? Well, this can be caused by pollution that becomes trapped in the lowest level of the atmosphere, creating air quality and visibility problems. The common name for this mixture of pollutants is smog. But how does this pollution become trapped in the first place? -
What Air Exchange Rate is & And Why It Matters
We often don't think about it, but every day millions of cubic feet of outdoor air cycle through our homes and offices. Learn how the air exchange rate affects indoor air quality and how to improve it in your own home or workplace. -
10 Air Quality Terms You Need to Know
When it comes to air quality, there can be a lot of technical terms and jargon you need to know. As with any science, it’s important to define these terms so we all have the same understanding and language when we communicate. Learn about important air quality terms in this article.
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AQI Scales Around The World
Different countries have different scales and ranges due to specific national standards. The public health advisory also changes with these ranges. Let’s dive deep into what an AQI scale is, what changes its readings, and what some standard AQI scales are from around the world.
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All You Need To Know About Dew Point And How It Differs From Humidity
So, where does condensation come from? The science behind this process is in two words: dew point. This article aims to explain the dew point phenomenon, its measurement, the benefits of monitoring its levels, and how it differs from humidity.
