We Need Your Help to Fight Air Pollution

Weather Underground needs your help to gather air pollution data. When you install an air pollution monitor, you protect yourself and others in your community from dirty air.

 

Why We Recommend PurpleAir

Air pollution experts affiliated with Weather Underground have evaluated several air pollution monitoring devices and have determined that the PurpleAir PA-II is the best device for most people to track the deadliest type of air pollution.