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  1. Home
  2. Climate Change Indicators

Dig into the Data

EPA’s Indicators represent a wide-ranging set of high-quality, long-term data that show observed changes in the Earth’s climate system and climate-relevant impacts. The indicators generally cover broad geographic scales and as many years as the underlying data allow. Many indicators include data with a geospatial component.

Climate Indicator Map Explorer

The Climate Indicator Map Explorer provides users with a centralized hub for interacting with geospatial data. Users can explore and compare data, look more closely at a certain area, view interactive data popups, and import layers.

Browse Map Explorer Basics

Explore Southwest Case Study

Climate Indicator Map Explorer depicting multiple layers from the Weather and Climate section

Climate Change Indicators

  • View the Indicators
    • Greenhouse Gases
      • U.S. Greenhouse Gas Emissions
      • Global Greenhouse Gas Emissions
      • Atmospheric Concentrations of Greenhouse Gases
      • Climate Forcing
    • Weather and Climate
      • U.S. and Global Temperature
      • Seasonal Temperature
      • High and Low Temperatures
      • Heat Waves
      • U.S. and Global Precipitation
      • Heavy Precipitation
      • Tropical Cyclone Activity
      • River Flooding
      • Drought
      • A Closer Look: Temperature and Drought in the Southwest
    • Oceans
      • Ocean Heat
      • Sea Surface Temperature
      • Marine Heat Waves
      • Sea Level
      • A Closer Look: Land Loss Along the Atlantic Coast
      • Coastal Flooding
      • Ocean Acidity
    • Snow and Ice
      • Arctic Sea Ice
      • Antarctic Sea Ice
      • Ice Sheets
      • Glaciers
      • Arctic Glaciers
      • A Closer Look: Glaciers in Glacier National Park
      • Lake Ice
      • Great Lakes Ice Cover
      • Community Connection: Ice Breakup in Three Alaskan Rivers
      • Snowfall
      • Snow Cover
      • Snowpack
      • Permafrost
      • Freeze-Thaw Conditions
    • Health and Society
      • Heat-Related Deaths
      • A Closer Look: Heat-Related Workplace Deaths
      • Heat-Related Illnesses
      • Cold-Related Deaths
      • Heating and Cooling Degree Days
      • Residential Energy Use
      • Lyme Disease
      • West Nile Virus
      • Length of Growing Season
      • Growing Degree Days
      • Ragweed Pollen Season
    • Ecosystems
      • Wildfires
      • Streamflow
      • Stream Temperature
      • Tribal Connection: Trends in Stream Temperature in the Snake River
      • Lake Temperature
      • Great Lakes Water Levels and Temperatures
      • Bird Wintering Ranges
      • A Closer Look: The Black Guillemots of Cooper Island
      • Marine Species Distribution
      • Leaf and Bloom Dates
      • Community Connection: Cherry Blossom Bloom Dates in Washington, D.C.
  • Dig into the Data
    • Map Explorer Basics
    • Southwest Case Study
  • Indicator Stories
    • Indicator Infographics
    • Community Connections
    • Indicators Overview StoryMap
    • Seasonality and Climate Change
  • About the Indicators
    • Data Sources and Methods
    • Frequent Questions about the Indicators
    • Publications
Contact Us About Climate Indicators
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on January 13, 2025
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