EPA Climate Change Indicators – Change in River Flooding

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This indicator examines changes in the size and frequency of inland river flood events in the United States. Indicator data are acquired from the EPA’s Climate Change Indicators in the United States, Fourth Edition, published in 2016.

EPA Climate Change Indicators – Change in Snowfall

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This indicator examines changes in total snowfall in the contiguous 48 United States. Indicator data are acquired from the EPA’s Climate Change Indicators in the United States, Fourth Edition, published in 2016.

EPA Climate Change Indicators – Change in Extreme Temperatures

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This indicator displays changes in the number of days with unusually (>95th percentile) cold temperatures in the contiguous 48 United States. Indicator data are acquired from the EPA’s Climate Change Indicators in the United States, Fourth Edition, published in 2016.

Air Toxics – Non-Cancer Risk by Census Tract

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Layer displays the modelled non-cancer risk associated with air toxics exposure. A hazard index (HI) of 1 or lower means air toxics are unlikely to cause adverse noncancer health effects over a lifetime of exposure.

Air Quality System Sites

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This layer displays the locations of air quality monitoring stations in the United States. The Air Quality System (AQS) contains ambient air pollution data collected by EPA, state, Local, and tribal air pollution control agencies from thousands of monitoring stations. … Continued