Climio: Climate Change Tracker
Temperature, Sun & Air Quality
About
Explore historical climate data for any city worldwide, tracking temperature, air quality, precipitation, and sunshine trends from 1981 to the present. Compare cities and export detailed climate reports.
What's New in Climio
2.2
July 26, 2026
Climio now gives you a reason to check in every day. • Today vs history: open the app and instantly see how far today is from your city's historical average, "+3.4° above the norm." • Last 7 days vs history: a clear bar comparison of this week against the same days in past years. • Record of the day: the hottest (and coldest) this date has ever been in your city, with an alert when today gets close. • Home-screen widget: your city's daily delta on a warming-stripes background. • Share in one tap: a story-format card of your city's climate, ready for Instagram and WhatsApp. • Optional alerts: a weekly recap and a heads-up when your city moves outside its historical norm, always your choice. • More accurate cold stats: record lows, frost days and the coldest days now use true daily minimums.
MoreFAQ
What is Climio?
Climio is an application that provides historical climate data for any city worldwide, focusing on temperature, air quality, precipitation, and sunshine trends from 1981 to the present day. It is not a weather forecast app but rather a climate history tool.
What data sources does Climio use?
Climio utilizes trusted data sources including NASA Power API for temperature and sunshine, and Copernicus CAMS via Open-Meteo for air quality data. These sources are used by researchers globally.
Can I compare the climate of different cities with Climio?
Yes, Climio allows you to compare the temperature trends, air quality, rainfall, and sunshine hours of any two cities side by side. This feature is useful for deciding where to live, work, or travel.
Does Climio have ads?
Yes, Climio contains advertisements. As a free application, it is supported by ads to provide its services to users.
What age rating does Climio have?
Climio has an age rating of 4+, making it suitable for a wide range of users. It is available on iPhone devices.
How often is Climio updated?
The latest version of Climio is 2.2, and it was last updated on July 26, 2026. This indicates a commitment to maintaining and improving the application.
Can I export my climate data from Climio?
Yes, Climio offers a PDF export feature. You can export a complete climate report with all charts, which is ready to be shared, presented, or saved for your records.
What specific air quality pollutants does Climio track?
Climio tracks key air quality pollutants including PM2.5, PM10, NO₂, and O₃ levels, sourced from Copernicus CAMS. WHO guideline thresholds are also displayed on every chart for context.
