Casper, WY

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  • Ranked 96 for 24-hour particle pollution out of 277 metropolitan areas
  • Ranked 4 for cleanest metropolitan areas in the country for annual particle pollution

Compare Your Air



High Ozone Days Learn More
Change Since

Counties with monitors in this metropolitan area

Counties with monitors in this metropolitan area

What is my length? 1
  • Natrona, WY

ABCDFDNCINC
Particle Pollution - 24 Hour Learn More
Change Since

Counties with monitors in this metropolitan area

Counties with monitors in this metropolitan area

  • Natrona, WY
ABCDFDNCINC
Particle Pollution - Annual Learn More
Change Since

Counties with monitors in this metropolitan area

Counties with monitors in this metropolitan area

ABCDFDNCINC
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

Notes:

(1) INC indicates incomplete monitoring data for all three years. Therefore, those counties are excluded from the grade analysis.
(2) DNC indicates that there is no monitor collecting data in the county.

More about Methodology.