Oftentimes we think of air quality solely in terms of the oxygen we breathe while outside. Yet, according to the Environmental Protection Agency (EPA), the average American spends more than 90% of their life indoors. This means the air breathed at home, in the office, or anywhere indoors is most vital to our health. Birdie is an adorably conceived wall-mounted CO2 monitoring device equipped to help determine whether it’s time to crack open a window or turn on an air purifier. Instead of reporting complex data points, graphics, or charts, Birdie simplifies air quality reporting with a “canary in a…