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Title: AirGradient Air Quality Monitors

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Every few months, somebody asks on our forum or writes to our support team with the same question: when are we going to stop calibrating our CO₂ sensors to a baseline of 400 parts per million (ppm)? On the surface, it's a fair question, and we've now been getting it for years. The global average car…

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Total Volatile Organic Compounds (TVOCs) refers to a broad group of chemicals that easily evaporate into the air at room temperature. This category includes many highly volatile substances that can impact human health, triggering symptoms like headaches and respiratory irritation or even increasing …

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When people think of air quality, cultural practices often aren’t among the first things that come to mind. As new interns at AirGradient, we decided to explore this often overlooked connection within our local environments. Culture shapes how people cook, celebrate, mourn, heal, and gather, and the…

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This article is part of a series, where we explore the hidden complexities of PM2.5 — tiny airborne particles that impact air quality and health. We will uncover the ambiguities behind its measurement, the challenges in assessing health risks, and the surprising insights that emerge. Each article wi…

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When we talk about clean air in schools, the conversation often starts with air purifiers. This makes sense, because purifiers are easy to understand: air goes in, particles are removed by a filter, and cleaner air comes out. They're also easy to add to a classroom without much extra effort. But are…

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