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We read every message. Typical reasons to write: a city you’d like added, a data question about a specific reading, education materials you’d like adapted for your school, partnership or link requests, and press. We usually reply within two working days. For quick product feedback you can also use the star rating on any city page — it reaches us directly, including the comment you attach.

Questions, feedback, partnership inquiries, or press requests — we'd love to hear from you. uvindex.now is an independent project, so a real person reads every message and usually replies within a day.

If a city's reading looks off, if you'd like UV data for a location we don't cover yet, or if you run a site or app that could use live UV data, the email below is the fastest way to reach us. For how the UV index is calculated and where the data comes from, the About and Blog pages go into more detail.