Johannesburg's air quality has never really been measured systematically. Like many other cities across the globe, scientists have battled to develop cost-effective monitoring systems that provide ...

Have you ever stopped to think about the air you’re breathing right now? It’s easy to overlook, isn’t it? We spend so much of our time indoors—at home, in the office, or in classrooms—assuming the air ...

An indoor air quality monitor can help you keep tabs on particulate matter associated with wildfires and truck traffic, not to mention pets, new carpets, and paint. But CR has found that these devices ...