| Orange Ozone Days: | DNC | What do the colors mean? |
| Red Ozone Days: | DNC | What do the colors mean? |
| Purple Ozone Days: | DNC | What do the colors mean? |
| Orange Particle Days: | DNC | What do the colors mean? |
| Red Particle Days: | DNC | What do the colors mean? |
| Purple Particle Days: | DNC | What do the colors mean? |
You can make a difference in the air that you breathe.
Compare Your Air 
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| High Ozone Days | Learn More | |||||||
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Change Since
This County:Trinity, TXOther counties with monitors in this metropolitan areaThere are no other counties in this metropolitan area
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| Particle Pollution - 24 Hour | Learn More | |||||||
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Change Since
This County:Trinity, TXOther counties with monitors in this metropolitan areaThere are no other counties in this metropolitan area
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| Particle Pollution - Annual | Learn More | |||||||
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Change Since
This County:Trinity, TXOther counties with monitors in this metropolitan areaThere are no other counties in this metropolitan area
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| Groups At Risk | Learn More | |
| Total Population: | Risks to the population | |
| Pediatric Asthma: | Risks to people with Asthma | |
| Adult Asthma: | Risks to people with Asthma | |
| COPD: | Risks to people with COPD | |
| Cardiovascular Disease: | Risks to people with Cardiovascular Disease | |
| Diabetes: | Risks to people with Diabetes | |
| Children Under 18: | Risks to children and teens | |
| Adults 65 & Over: | Risks to older adults | |
| Poverty Estimate: | Risks to people with low incomes | |
More about Methodology.
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Tell your friends about the air where you live.