The easiest way to figure out air quality wherever you live is to stick your head outside.
If it smells terrible, youll probably want to get a mask or stay indoors.
If it smells joyful, youre good to go on an adventure.
Established weather services likeAccuWeatherorWeather.comshould have that number for any location you want.
Checking the Air Quality Index on iOS
This ones easy: Pull up Apple Maps.
Itll update as you move the map around to reflect the conditions of wherever youre staring.
So, youll have to go for a third-party app if you want to research this number.