Jun 28 2023 10:39 PM2.5 vs. PM10: Why They Sometimes Read the Same and What it Means for Indoor Air Quality Particulate matter (PM) is a serious air pollutant that can have detrimental effects on human health. PM can be classified based on size, with PM2.5 and PM10 being the most commonly measured. However... Posted to Environmental Blog on Jun 28 2023 10:39 | with 0 comments