So tiny you can't see it, particulate matter is the most harmful air pollutant on our planet. Much smaller than a grain of sand, and capable of causing short and long-term harm, particulate matter is usually the cause for most air quality advisories/warnings.In this episode, we explore what particulate matter is, where it comes from, and what you can do to protect yourself from it.Send us fan mailSupport the showThanks for tuning in, I hope you’ve been finding this information helpful! If so, please share with a friend! Have a question or comment? E-mail us at [email protected]

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