National Map of Heat Index Days Dangerous for Outdoor Sports

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National Map of Heat Index Days Dangerous for Outdoor Sports

  • Published: Aug 21st, 2019

A new Climate Central report finds an increase in days with an extreme heat index, which greatly impact outdoor sports and the risk of heat illnesses.

Global map of temperature anomalies

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Global map of temperature anomalies

  • Published: Aug 15th, 2019

Global Warming. This map shows a snapshot of how July’s global temperatures departed from long-term averages

Ozone Season Lengths Across the Country

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Ozone Season Lengths Across the Country

  • Published: Jul 31st, 2019

As long as ozone season sticks around, so do concerns about the health risks of poor air quality. Check out where ozone is an issue across the country.

Nationwide Trends in Air Stagnation Since 1973

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Nationwide Trends in Air Stagnation Since 1973

  • Published: Jul 24th, 2019

Since NOAA’s Index began in 1973, the number of annual stagnant days has increased in 83% of the contiguous U.S. cities analyzed.

2019 Global Temperature Anomalies Through June

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2019 Global Temperature Anomalies Through June

  • Published: Jul 18th, 2019

While U.S. temperatures have been relatively mild this year, the rest of the world has endured near-record heat.

Coastal Waters are Warming Across the U.S.

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Coastal Waters are Warming Across the U.S.

  • Published: Jun 26th, 2019

Coastal waters are warming across the U.S., stressing fish and the economies that depend on them.

River and Stream Temperature Trends Around the U.S.

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River and Stream Temperature Trends Around the U.S.

  • Published: Jun 26th, 2019

Warming streams can bring disease and heat stress to fish. Here’s how America’s streams with long-term data are trending.

Raincheck: 2019’s Deluge in Context

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Raincheck: 2019’s Deluge in Context

  • Published: May 22nd, 2019

It’s been another year of powerful rain so far — leading to more flooding that’s washing out crops and damaging infrastructure.