Extreme Heat: When Outdoor Sports Become Risky

Extreme Heat: When Outdoor Sports Become Risky

  • Published: Aug 21st, 2019

Extreme heat index days—when heat and humidity make it difficult for the body to cool itself off—have been increasing in cities across the country.

National Map of Heat Index Days Dangerous for Outdoor Sports

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.

Explainer: Health Impacts in Excessive Heat

Explainer: Health Impacts in Excessive Heat

  • 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.

Danger for Sports: Days with a 90°F+ heat index

Danger for Sports: Days with a 90°F+ heat index

  • 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.

Ozone Season Lengths Across the Country

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.

Explainer: How Ground-Level Ozone Is Formed

Explainer: How Ground-Level Ozone Is Formed

  • Published: Jul 31st, 2019

Ground-level ozone is a hazardous air pollutant and a key component of smog. Here’s how it forms.

How Ozone Levels Are Changing in Your City

How Ozone Levels Are Changing in Your City

  • Published: Jul 31st, 2019

Ozone pollution can reach unhealthy levels in your city. Here’s how the number of unhealthy ozone days have changed over time.

Daily Template: CO2 in the Context of Human History

Daily Template: CO2 in the Context of Human History

  • Published: Jul 2nd, 2019

This image puts today’s CO2 levels in historical context. Spoiler alert: we’re off the charts.