Montana

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High Ozone Days
Ozone Grade: INC How is my grade calculated?
Weighted Average: INC No Data
Particle Pollution - 24 Hour
Grade: A How is my grade calculated?
Weighted Average: 0.0 Change Since 2000:
0
0.0
fewer days this year
Particle Pollution - Annual
Grade: Pass How is my grade calculated?
Design Value 7.0 Change Since 2000:
7.5
7.0
µg/m3
Groups At Risk
Total Population: 144,797 Risks to the population
Pediatric Asthma: 2,201 Risks to people with Asthma
Adult Asthma: 8,929 Risks to people with Asthma
Chronic Bronchitis: 4,888 Risks to people with Chronic Bronchitis
Emphysema: 2,505 Risks to people with Emphysema
Cardiovascular Disease: 41,656 Risks to people with Cardiovascular Disease
Diabetes: 7,299Risks to people with Diabetes
Children Under 18: 34,442 Risks to children and teens
Adults 65 & Over: 20,325 Risks to older adults
Poverty Estimate: 16,433Risks to people with low incomes
  • Ranked 17 for cleanest metropolitan areas in the country for 24-hour particle pollution
  • Ranked 13 for cleanest metropolitan areas in the country for annual particle pollution

Compare Your Air



High Ozone Days Learn More
Change Since

This County:

Yellowstone, MT

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

What is my length? 1
ABCDFDNCINC
Particle Pollution - 24 Hour Learn More
Change Since

This County:

Yellowstone, MT

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

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ABCDFDNCINC
Particle Pollution - Annual Learn More
Change Since

This County:

Yellowstone, MT

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

PASSFAILDNCINC
Groups At Risk
Total Population: Risks to the population
Pediatric Asthma: Risks to people with Asthma
Adult Asthma: Risks to people with Asthma
Chronic Bronchitis: Risks to people with Chronic Bronchitis
Emphysema: Risks to people with Emphysema
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.

Content

SOTA 2011 Survey