Residents of Chicago woke up to the worst air quality in the world, as smoke from Canadian wildfires continue to cause unhealthy air quality in the Midwest.
When the air quality drops as it has for many in the Midwest, experts say prolonged exposure can be dangerous.
“The particulate levels are so high that even for a normal person without any underlying medical conditions, it can still be unhealthy and dangerous if there is long-term exposure,” Dr. Purvi Parikh of the Allergy & Asthma Network. “The longer you’re exposed to it, there’s more chance for it to cause problems.
, as of Tuesday the United States had three Midwestern cities that found themselves ranked with the worst air quality in the world, along with Dubai of the United Arab Emirates and the cities of Lahore and Karachi in Pakistan.
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