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    Data Visualizations

    Explore Climate Central's interactive data visualizations to understand climate change impacts in your community and around the world.

    Marathon Performance

    Explore how climate change is influencing ideal marathon-running conditions over the next 20 years — highlighting which remain record contenders and which risk losing their competitive edge in a warming planet.

    Key Features:

    • Data for 221 marathons around the globe
    • Chances of optimal running temperatures
    • Top marathons for both elite and recreational runners

    Local Records

    Compare the frequency of daily record-high and record-low temperatures in 247 U.S. cities. Generate daily-updating graphics to visualize local temperature records.

    Key Features:

    • Graphics dashboard for local visualizations
    • Interactive map explorer
    • Data viewer with download capabilities

    Urban Heat Hot Spots

    Explore how and where urban heat islands boost temperatures within 65 major U.S. cities that are home to 50 million people, or 15% of the total U.S. population.

    Key Features:

    • Urban heat island analysis
    • City-specific temperature data
    • Interactive map explorer

    Warming Across Generations

    How has climate change shaped your lifetime of heat? Choose from one of 247 U.S. cities and enter your birth year to see how the number of extremely hot days has changed over time.

    Key Features:

    • Personalized heat stories
    • Childhood extreme heat days
    • Climate change attribution

    People Exposed to Climate Change: June - August 2025

    Explore Climate Central's seasonal analysis of how climate change boosted temperatures worldwide between June and August 2025.

    Key Features:

    • Interactive map explorer
    • Country-level summaries
    • Climate change attribution

    Pregnancy Heat Risks

    Extreme heat poses dangerous risks to global maternal health and birth outcomes. See which cities and countries experienced the most pregnancy heat risk days due to climate change from 2020-2024.

    Key Features:

    • Regional interactive maps
    • Annual data for 247 countries and 940 cities
    • Climate change attribution

    People Exposed to Climate Change: December 2024 - February 2025

    Explore Climate Central's seasonal analysis of how climate change boosted temperatures worldwide between December 2024 and February 2025.

    Key Features:

    • Interactive map explorer
    • Country-level summaries
    • Climate change attribution