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Cars spew visible particles into the air in the form of exhaust

 Air Quality and Your Health


Today's the day to start thinking about air quality. Learn how to navigate air quality conditions with the Air Quality Index and find other helpful resources available to you.



Latest Features

Image of the Week

Photomicrograph of a human peripheral blood smear

Bloodborne Trypanosoma


Under a magnification of 1150X, this photomicrograph of a human peripheral blood smear, revealed the presence of a flagellated, Trypanosoma brucei subsp. rhodesiense trypomastigote.


A female Aedes aegypti mosquito
Scientist using a portable sequencing instrument while wearing protective equipment
Two children peering out of an open window in Kibera, Kenya
Woman on a podium holding a microphone speaking to a group of people

Avian Flu

Cows feeding on fodder standing in a row of stables

Bird Flu


Learn about the bird flu situation in the United States. 
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Centers for Disease Control and Prevention

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