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 | Nickel | -1.75 to -1.5 | -1.5 to -1.25 | -1.25 to -1.0 | -1.0 to -0.75 | -0.5 to -0.25 | -0.25 to 0.25 | 0.5 to 0.75 | Class | Rank | Million Metric Tons | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4.29% | 14.4% | 23.8% | 24.2% | 18.5% | 16.1% | 11.6% | 6.63% | 81.6% | 11.928571428571429 | 2.11% | 0.444% | 1.11% | 0.206% | 0.177% | 0.267% | 0.120% | ||||
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