Former Student Elizabeth Abrevaya talks about the Keene Clean Air Project including discussion of purple air monitoring and drone flights. Click on this video for an overview of our project and why it's important to Keene.
Notice the horizontal band of haze below the hills in the distance to the north. This is visible evidence of a thermal inversion. Normally, naturally occurring air currents carry pollutants away and continuously refresh the air over Keene. However, an inversion acts like a cap over the city that traps the air below, causing pollutants accumulate to the point where they become visible and can impact our health.