Acid Rain
United StatesPhysical EnvironmentAverage acidity of precipitation in the United States. Lower pH values represent greater acidity.
Geosystems: Intro to Physical Geography
A map shows the p H levels of acid rain in the U.S. States like Ohio and Pennsylvania have the lowest p H levels (4.50 to 4.59 p H, black). States like Arizona and Nevada show the highest p H levels (greater than or equals 5.30 p H, light yellow).
4.50–4.59 pH | 4.60–4.69 pH | 4.70–4.79 pH | 4.80–4.89 pH | 4.90–4.99 pH | 5.00–5.09 pH | 5.10–5.19 pH | 5.20–5.29 pH | ≥5.30 pH | Value | Less than 1 | 1–5 | 6–10 | 11–15 | More than 15 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alaska | McCain (R) | 99.8% | |||||||||||||
Arizona | 1.23% | 98.8% | McCain (R) | 92.2% | 7.76% | ||||||||||
Utah | 1.69% | 98.3% | McCain (R) | 100% | |||||||||||
District of Columbia | 100% | Obama (D) | 100% | ||||||||||||
Florida | 1.32% | 13.8% | 25.9% | Obama (D) | 64.2% | 35.5% | |||||||||
Idaho | 4.63% | 95.4% | McCain (R) | 100% | |||||||||||
New Hampshire | 72.0% | 27.9% | Obama (D) | 1.24% | 98.7% | ||||||||||
Rhode Island | 2.00% | 3.88% | Obama (D) | 99.3% | |||||||||||
Vermont | 95.7% | 4.07% | Obama (D) | 77.1% | 22.6% | ||||||||||
Washington | 23.4% | 70.9% | Obama (D) | 99.9% | |||||||||||
Wyoming | 100% | McCain (R) | 87.7% | 12.3% | |||||||||||
Montana | 9.26% | 90.7% | McCain (R) | 100% | |||||||||||
Maine | 17.3% | 69.8% | 10.8% | Obama (D) | 40.0% | 59.8% | |||||||||
North Dakota | 100% | McCain (R) | 29.5% | 70.5% | |||||||||||
Kentucky | 1.72% | 54.3% | 1.61% | 9.53% | McCain (R) | 4.42% | 60.5% | 35.1% | |||||||
Virginia | 3.50% | 1.66% | 15.4% | Obama (D) | 10.3% | 89.6% | |||||||||
Delaware | 17.4% | 81.8% | Obama (D) | 99.2% | |||||||||||
Mississippi | 14.3% | 79.0% | 5.27% | McCain (R) | 10.9% | 74.0% | 15.1% | ||||||||
West Virginia | 7.63% | 45.0% | 12.8% | 8.92% | McCain (R) | 48.2% | 51.8% | ||||||||
Nebraska | 100% | McCain (R) | 88.6% | 11.4% | |||||||||||
Texas | 8.53% | 1.49% | 4.74% | 5.19% | 56.4% | McCain (R) | 16.8% | 43.9% | 36.9% | 2.38% | |||||
Missouri | 26.1% | 26.9% | 12.0% | 34.2% | McCain (R) | 23.4% | 62.5% | 14.1% | |||||||
Louisiana | 41.6% | 42.5% | 8.80% | 4.48% | 2.23% | McCain (R) | 30.4% | 69.5% | |||||||
Hawaii | Obama (D) | 92.1% | |||||||||||||
North Carolina | 1.35% | 37.2% | 1.72% | 9.88% | Obama (D) | 99.9% | |||||||||
Oregon | 2.68% | 97.3% | Obama (D) | 100% | |||||||||||
Alabama | 84.6% | 13.4% | McCain (R) | 69.5% | 16.4% | 14.0% | |||||||||
New Mexico | 4.15% | 91.3% | Obama (D) | 90.2% | 9.71% | ||||||||||
Kansas | 100% | McCain (R) | 68.1% | 31.5% | |||||||||||
Wisconsin | 4.01% | 46.8% | 27.3% | 21.3% | Obama (D) | 13.1% | 53.1% | 33.7% | |||||||
British Columbia | 2.52% | ||||||||||||||
New Jersey | 5.98% | 36.6% | 32.6% | 23.7% | Obama (D) | 19.5% | 80.3% | ||||||||
South Carolina | 33.6% | 64.2% | 2.08% | McCain (R) | 99.9% | ||||||||||
Michigan | 24.0% | 10.0% | 4.73% | 13.3% | Obama (D) | 34.8% | 64.8% | ||||||||
Connecticut | 49.9% | 50.0% | Obama (D) | 99.9% | |||||||||||
Pennsylvania | 3.58% | 34.8% | 29.1% | 10.8% | Obama (D) | 6.15% | 93.9% | ||||||||
Colorado | 1.85% | 3.55% | 88.3% | Obama (D) | 69.4% | 30.6% | |||||||||
Nevada | 100% | Obama (D) | 100% | ||||||||||||
Massachusetts | 98.2% | Obama (D) | 99.5% | ||||||||||||
Georgia | 7.01% | 3.21% | 2.51% | 3.47% | McCain (R) | 61.5% | 38.5% | ||||||||
New York | 4.25% | 52.6% | 35.3% | Obama (D) | 61.6% | 38.3% | |||||||||
Maryland | 12.5% | 29.8% | 10.3% | Obama (D) | 99.3% | ||||||||||
Oklahoma | 2.73% | 5.70% | 91.6% | McCain (R) | 3.41% | 35.1% | 46.0% | 15.5% | |||||||
Tennessee | 5.63% | 19.5% | 14.5% | 3.55% | McCain (R) | 41.3% | 58.7% | ||||||||
California | 99.7% | Obama (D) | 99.9% | ||||||||||||
Arkansas | 17.5% | 40.8% | 7.44% | 10.2% | McCain (R) | 87.2% | 12.8% | ||||||||
South Dakota | 100% | McCain (R) | 22.1% | 76.0% | 1.85% | ||||||||||
Ohio | 5.07% | 9.56% | 59.7% | 23.0% | Obama (D) | 3.97% | 96.0% | ||||||||
Indiana | 12.8% | 4.37% | 8.75% | 5.18% | Obama (D) | 62.9% | 37.1% | ||||||||
Minnesota | 2.86% | 4.42% | 92.3% | Obama (D) | 23.4% | 72.5% | 4.03% | ||||||||
Iowa | 1.50% | 98.5% | Obama (D) | 50.0% | 50.0% | ||||||||||
Illinois | 39.9% | 27.0% | 15.0% | 3.08% | 9.73% | Obama (D) | 70.3% | 29.6% | |||||||
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