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.
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.
Keep in mind, the samples aren't in real time.
Watch the video above to learn more.