Particle Pollution - 24 Hour Learn More Grade: DNC How is my grade calculated? Weighted Average: DNC No monitor for this pollutant exists in this county. Learn More.
Particle Pollution - Annual Learn More Grade: DNC How is my grade calculated? Design Value DNC No monitor for this pollutant exists in this county. Learn More.
Groups At Risk Learn More Total Population: 499,137 Risks to the population Pediatric Asthma: 12,202 Risks to people with Asthma Adult Asthma: 26,616 Risks to people with Asthma COPD: 20,330 Risks to people with COPD Cardiovascular Disease: 29,286 Risks to people with Cardiovascular Disease Diabetes: 41,699Risks to people with Diabetes Children Under 18: 134,673 Risks to children and teens Adults 65 & Over: 58,518 Risks to older adults Poverty Estimate: 58,358Risks to people with low incomes

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  • Ranked 6 for high ozone days out of 220 metropolitan areas
  • Ranked 1 for cleanest metropolitan areas in the country for 24-hour particle pollution
  • Ranked 20 for annual particle pollution out of 220 metropolitan areas

Compare Your Air



High Ozone Days Learn More
Change Since

This County:

Montgomery, TX

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Austin, TX
  • Brazoria, TX
  • Chambers, TX
  • Fort Bend, TX
  • Galveston, TX
  • Harris, TX
  • Liberty, TX
  • Matagorda, TX
  • Montgomery, TX
  • Trinity, TX
  • Walker, TX
  • Waller, TX
  • Washington, TX
  • Wharton, TX

ABCDFDNCINC
Particle Pollution - 24 Hour Learn More
Change Since

This County:

Montgomery, TX

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Austin, TX
  • Brazoria, TX
  • Chambers, TX
  • Fort Bend, TX
  • Galveston, TX
  • Harris, TX
  • Liberty, TX
  • Matagorda, TX
  • Montgomery, TX
  • Trinity, TX
  • Walker, TX
  • Waller, TX
  • Washington, TX
  • Wharton, TX

ABCDFDNCINC
Particle Pollution - Annual Learn More
Change Since

This County:

Montgomery, TX

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Austin, TX
  • Brazoria, TX
  • Chambers, TX
  • Fort Bend, TX
  • Galveston, TX
  • Harris, TX
  • Liberty, TX
  • Matagorda, TX
  • Montgomery, TX
  • Trinity, TX
  • Walker, TX
  • Waller, TX
  • Washington, TX
  • Wharton, TX

PASSFAILDNCINC
Groups At Risk
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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