Meteorologist Elita Loresca explains each level of air quality and what it means for your health.
For example, when the air quality reaches a red level, that means people should limit outdoor activity between 2-7 p.m.
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Click here to check the most updated information about the air quality.
Harris County has also created a tool you can use to check air quality samples.
You can find specific information on the Ready Harris website.
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Keep in mind, the samples aren't in real time.
Watch the video above to learn more.