South Dakota

If you live in Custer County, the air you breathe needs your support.

Ozone

Particle Pollution 24-hour

Particle Pollution Annual

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High Ozone Days
Ozone Grade: A How is my grade calculated?
Weighted Average: 0.0 Change Since 2005:
1
0.0
fewer days this year
Particle Pollution - 24 Hour
Grade: D How is my grade calculated?
Weighted Average: 2.5 Change Since 2005:
0
2.5
fewer days this year
Particle Pollution - Annual
Grade: Pass How is my grade calculated?
Design Value 4.9 Change Since 2005:
5.6
4.9
µg/m3
Groups At Risk
Total Population: 8,216 Risks to the population
Pediatric Asthma: 148 Risks to people with Asthma
Adult Asthma: 493 Risks to people with Asthma
Chronic Bronchitis: 321 Risks to people with Chronic Bronchitis
Emphysema: 173 Risks to people with Emphysema
Cardiovascular Disease: 2,711 Risks to people with Cardiovascular Disease
Diabetes: 570Risks to people with Diabetes
Children Under 18: 1,630 Risks to children and teens
Adults 65 & Over: 1,766 Risks to older adults
Poverty Estimate: 897Risks 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.