Pollen Wise is the best way for people with seasonal allergies and asthma to get up-to-date information on pollen counts. Using your phone or tablet, the app connects you with sensors that measure pollen around the United States. You can see the location of the nearest sensors, get a detailed history of where and when the data was collected and get access to the most recent results. It’s your first step toward managing your allergies.

The app also provides forecasts for the next 24 hours.