ZephAir is a free lifestyle app available for iPhone that provides users with reliable and real-time air quality data. Developed by the United States Department of State, in partnership with other government agencies, ZephAir offers reference-grade air quality information from over 70 locations worldwide.

With ZephAir, users can select their preferred location(s) to access the data that matters most to them. The app also offers push notifications, ensuring that users receive the latest air quality information for their chosen location(s).

One of the key features of ZephAir is the inclusion of health information. Users can view recommendations on how to protect their health based on the Environmental Protection Agency Air Quality Index. This feature allows users to make informed decisions about their activities and take necessary precautions when air quality is poor.

In addition, ZephAir provides historical data, allowing users to track air quality trends over the past 24 hours and the last week. This feature can help users analyze patterns and make long-term plans based on air quality conditions.

ZephAir is continuously updating its data, so if your city is not currently listed, you can expect it to be included in the future. Stay informed about the air quality around you with ZephAir.