AQI Meter offers many unique features that give users the tools to stay on top of their health. AQI Meter offers Air Quality Index, a pollutant by pollutant rundown of what's in the air, and for those who have allergies to pollen, AQI Meter offers pollen statistics for the three major categories of pollen such as a tree, weed, and grass pollen types. AQI meter offers support for 190+ countries. Lastly, AQI Meter provides information for the user to use at his/her disposal including the sources of all pollutants listed.