Particle Pollution - 24 Hour Learn More Grade: A How is my grade calculated? Weighted Average: 0.0 Change Since 2000:
4.7
0.0
fewer days this year
Particle Pollution - Annual Learn More Grade: Pass How is my grade calculated? Design Value 11.8 Change Since 2000:
14.1
11.8
µg/m3
Groups At Risk Learn More Total Population: 4,336,853 Risks to the population Pediatric Asthma: 107,603 Risks to people with Asthma Adult Asthma: 228,402 Risks to people with Asthma COPD: 162,296 Risks to people with COPD Cardiovascular Disease: 218,480 Risks to people with Cardiovascular Disease Diabetes: 319,335Risks to people with Diabetes Children Under 18: 1,187,625 Risks to children and teens Adults 65 & Over: 388,443 Risks to older adults Poverty Estimate: 788,276Risks 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:

Harris, 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:

Harris, 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:

Harris, 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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