It’s wind, not rain, that reduces air pollution. It sounds so simple, yet on rainy days, many people believe it’s the rain that’s “washing away” air pollution. Data shows otherwise. Rain is poor at clearing air pollution from the skies. Most of the time, it’s wind that blows pollution away …
Every year, spring’s blossoms bring with them wave of pollen. For places like Beijing, it’s also the start of the ‘snowy season’, with the hundreds of willow trees producing their fluffy catkin friends and the sniffles that follow. But how can we avoid the uncomfortable coughing and sneezing? Which masks …
PM2.5 and PM10 are the two types of air pollution that the WHO estimates affect “more people than any other pollutant,” but they are different. Here’s how the two contrast. PM2.5 vs. PM10 The difference between PM10 and PM2.5 is size. But before we get to size, “PM” refers to particulate …
