What is particulate matter? How do I interpret the AQI? There's a lot to learn since Canadian wildfires suddenly sent clouds of hazy smoke over the border and into parts of the Midwest ...

Exposure to particulate matter leads to human suffering and high costs. But what exactly is particulate matter? What makes it so dangerous, and what can you do about it? Ties Korstanje, programme ...

They are able to filter out not only respiratory viruses such as the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) but also the particulate matter in wildfire smoke before such ...