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 | Phosphate Mines | 80 and over inches | 60–79 inches | 40–59 inches | 20–39 inches | 10–19 inches | Under 10 inches | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alaska | 0.389% | 0.159% | 0.114% | 39.7% | 25.1% | |||||||||||
Arizona | 1.23% | 98.8% | 48.7% | 3.90% | ||||||||||||
Utah | 1.69% | 98.3% | 7 | 52.3% | 8.61% | |||||||||||
Yukon | 3.35% | 17.0% | 71.1% | 8.49% | ||||||||||||
Northwest Territories | 53.7% | 0.342% | ||||||||||||||
District of Columbia | 100% | 100% | ||||||||||||||
Florida | 1.32% | 13.8% | 25.9% | 40 | 6.59% | 0.114% | ||||||||||
Idaho | 4.63% | 95.4% | 6 | 22.8% | 66.2% | 10.9% | ||||||||||
New Hampshire | 72.0% | 27.9% | 82.5% | 17.5% | ||||||||||||
Rhode Island | 2.00% | 3.88% | 3.94% | |||||||||||||
Vermont | 95.7% | 4.07% | 0.378% | 99.6% | ||||||||||||
Washington | 23.4% | 70.9% | 0.217% | 20.8% | 35.5% | 3.68% | ||||||||||
Wyoming | 100% | 1 | 94.9% | 5.08% | ||||||||||||
Nunavut | 1.91% | 11.2% | 0.496% | |||||||||||||
Montana | 9.26% | 90.7% | 12 | 2.47% | 97.5% | |||||||||||
Maine | 17.3% | 69.8% | 10.8% | 0.284% | 76.3% | |||||||||||
North Dakota | 100% | 3.12% | 96.9% | |||||||||||||
Kentucky | 1.72% | 54.3% | 1.61% | 9.53% | 99.1% | 0.934% | ||||||||||
Nova Scotia | 0.183% | |||||||||||||||
Virginia | 3.50% | 1.66% | 15.4% | 91.0% | 8.86% | |||||||||||
Delaware | 17.4% | 81.8% | 99.1% | |||||||||||||
Prince Edward Island | 98.4% | |||||||||||||||
Saskatchewan | 100% | |||||||||||||||
Mississippi | 14.3% | 79.0% | 5.27% | 23.9% | 76.0% | |||||||||||
West Virginia | 7.63% | 45.0% | 12.8% | 8.92% | 78.4% | 21.6% | ||||||||||
Nebraska | 100% | 62.3% | 37.7% | |||||||||||||
Texas | 8.53% | 1.49% | 4.74% | 5.19% | 56.4% | 5 | 22.8% | 54.5% | 22.2% | 0.422% | ||||||
Missouri | 26.1% | 26.9% | 12.0% | 34.2% | 75.4% | 24.6% | ||||||||||
Louisiana | 41.6% | 42.5% | 8.80% | 4.48% | 2.23% | 4 | 0.204% | 57.2% | ||||||||
Hawaii | 58.7% | |||||||||||||||
North Carolina | 1.35% | 37.2% | 1.72% | 9.88% | 3 | 1.70% | 0.120% | |||||||||
Oregon | 2.68% | 97.3% | 23.8% | 6.51% | 41.2% | 0.940% | ||||||||||
New Brunswick | 23.7% | 0.147% | ||||||||||||||
Alabama | 84.6% | 13.4% | 2 | 9.73% | 69.9% | |||||||||||
New Mexico | 4.15% | 91.3% | 80.4% | 19.5% | ||||||||||||
Kansas | 100% | 17.1% | 78.3% | 4.62% | ||||||||||||
Wisconsin | 4.01% | 46.8% | 27.3% | 21.3% | 100% | |||||||||||
British Columbia | 0.306% | 0.252% | 17.8% | 43.0% | ||||||||||||
Newfoundland and Labrador | 21.6% | 3.34% | 0.586% | |||||||||||||
New Jersey | 5.98% | 36.6% | 32.6% | 23.7% | 99.7% | |||||||||||
South Carolina | 33.6% | 64.2% | 2.08% | 7.80% | 92.1% | |||||||||||
Michigan | 24.0% | 10.0% | 4.73% | 13.3% | 100% | |||||||||||
Alberta | 8.49% | 91.5% | ||||||||||||||
Connecticut | 49.9% | 50.0% | 99.9% | |||||||||||||
Pennsylvania | 3.58% | 34.8% | 29.1% | 10.8% | 1 | 59.2% | 40.8% | |||||||||
Colorado | 1.85% | 3.55% | 88.3% | 11.2% | 88.8% | |||||||||||
Nevada | 100% | 0.983% | 29.3% | 69.7% | ||||||||||||
Massachusetts | 98.2% | 0.195% | 8.01% | |||||||||||||
Georgia | 7.01% | 3.21% | 2.51% | 3.47% | 33.6% | 66.3% | ||||||||||
New York | 4.25% | 52.6% | 35.3% | 2.89% | 61.4% | |||||||||||
Maryland | 12.5% | 29.8% | 10.3% | 0.157% | 7.94% | |||||||||||
Québec | 0.475% | 72.8% | 16.1% | |||||||||||||
Manitoba | 4.00% | 96.0% | ||||||||||||||
Oklahoma | 2.73% | 5.70% | 91.6% | 36.1% | 61.0% | 2.99% | ||||||||||
Tennessee | 5.63% | 19.5% | 14.5% | 3.55% | 30 | 100% | ||||||||||
Ontario | 94.0% | 6.00% | ||||||||||||||
California | 99.7% | 2 | 4.72% | 56.2% | 31.3% | 1.42% | ||||||||||
Arkansas | 17.5% | 40.8% | 7.44% | 10.2% | 100% | |||||||||||
South Dakota | 100% | 18.0% | 82.0% | |||||||||||||
Ohio | 5.07% | 9.56% | 59.7% | 23.0% | 1 | 32.0% | 68.0% | |||||||||
Indiana | 12.8% | 4.37% | 8.75% | 5.18% | 25.2% | 74.8% | ||||||||||
Minnesota | 2.86% | 4.42% | 92.3% | 100% | ||||||||||||
Iowa | 1.50% | 98.5% | 1 | 100% | ||||||||||||
Illinois | 39.9% | 27.0% | 15.0% | 3.08% | 9.73% | 23.9% | 76.1% | |||||||||
0.16.0