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Welcome everyone to our http://Climate.gov tweet chat with three experts on #smoke and #wildfires taking part in the @NOAA+@NASA FIREX-AQ campaign. Wondering what that is? Ask our experts! But make sure to tag your questions with #ClimateQA
But first, some introductions:pic.twitter.com/h6yr6KHXMf
How does wildfire smoke interact with existing air quality issues? Also are there differences in the smoke and air quality impacts between prescribed burns and other fires? #ClimateQA
Great questions! Smoke interacts with existing air quality issues in several ways. Emissions from fires can interact with emissions from urban areas for example to increase levels of regulated secondary pollutants such as ozone and particulate matter. 1/2 #ClimateQA
Smoke can also raise the background levels of air pollution everywhere. That means there is less "room" for emissions from urban areas to produce air pollution before hitting regulatory limits that are considered unhealthy. 2/2 -Steve #ClimateQA
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