Public Health: Air Quality Index
Tarrant County Public Health
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{Tarrant County Public Health - Safeguarding Our Community}

 
Environmental/Consumer Protection

Air Quality Index

{Ozone Map - Click Map to view larger image}

Click the map to view larger image.

For the Dallas-Fort Worth area, ozone levels have been mapped to colors based on a projected eight-hour average calculated from the measured one-hour levels.

Key To Map Colors

Ozone Color Definition
0-79
80-99
{Green}
{Yellow}
No Warning
No unhealthy levels of ozone were measured during the previous hour.
No precautionary actions for adults or children are required.
100-124 {Orange} The highest measured levels of ozone during the previous hour are considered unhealthy for sensitive groups.
Active children and adults as well as people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
125-149 {Red} The highest measured levels of ozone during the previous hour are considered unhealthy.
Everyone, especially children, should limit prolonged outdoor exertion.
People with respiratory disease, such as asthma, should avoid prolonged outdoor exertion.
150+ {Purple} The highest measured levels of ozone during the previous hour are considered very unhealthy.
Everyone, especially children, should limit outdoor exertion
People with respiratory disease, such as asthma, should avoid all outdoor exertion and limit exposure by staying inside (air conditioned spaces are best).

Click here for today’s AQI forecast

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Content Last Modified on 4/24/2008 12:30:01 PM

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