The allergen level circles for grass, trees, and weeds on the home screen show the highest pollen levels of its category. To see your personalized results on the smiley face on the home screen you should log how affected you feel by your allergies as regularly as you can. This will adjust the smiley to reflect how pollen levels might affect you. If you know your specific pollen allergy it’s also a good idea to check the pollen forecast.