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When we talk about air pollution, what comes to mind might be smog, dust, unpleasant odors, or even the alarming red digits on an air quality monitor. But in the field of sensor technology, air pollution is far from a single concept. It is, in fact, a combination of two fundamentally different types of pollutants:   Particulate Matter and Gaseous Pollutants. These pollutants differ not...

Introduction   Most people associate indoor air pollution with cigarette smoke. But here’s the reality—your air could be polluted even if no one around you is smoking. From the kitchen to the couch, from cleaning routines to your neighbour’s habits, the air we breathe indoors carries more risks than we often realise. On this World No Tobacco Day, let’s take a closer look at...

For quite a while, the air quality monitors that have interested me the most have been portable devices. Not just because I think they can often be more useful but also because it feels like they’re much rarer than their indoor and outdoor mounted counterparts. Off the top of my head, I could probably barely name five portable (consumer-grade) air quality monitors. On the...