| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | n/a°F | n/a°F | n/a°F | n/a |
| February | n/a°F | n/a°F | n/a°F | n/a |
| March | n/a°F | n/a°F | n/a°F | n/a |
| April | n/a°F | n/a°F | n/a°F | n/a |
| May | n/a°F | n/a°F | n/a°F | n/a |
| June | n/a°F | n/a°F | n/a°F | n/a |
| July | n/a°F | n/a°F | n/a°F | n/a |
| August | n/a°F | n/a°F | n/a°F | n/a |
| September | n/a°F | n/a°F | n/a°F | n/a |
| October | n/a°F | n/a°F | n/a°F | n/a |
| November | n/a°F | n/a°F | n/a°F | n/a |
| December | n/a°F | n/a°F | n/a°F | n/a |
| Index | Leroy | Alabama | National |
| Air quality index | 42 | 37 | 42 |
| Pollution index | 2,726,750 | 3,012,339 | 2,726,193 |
| Measurement | Total |
| Days measured | 364 |
| Days with good air quality | 258 |
| Days with moderate air quality | 106 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.002% |
| Mercury | 0.070% |
| City | Population | Air Quality Index | National Avg. |
| Grove Hill, AL | 2,011 | 36 | 28.0% |
| Hobson, AL | 206 | 42 | 16.0% |
| Carlton, AL | 57 | 42 | 16.0% |
| St. Stephens, AL | 174 | 42 | 16.0% |
| Jackson, AL | 4,731 | 42 | 16.0% |
| Leroy, AL | 1,019 | 42 | 16.0% |
| City | Population | Air Quality Index | National Avg. |
| Hebron, MD | 1,019 | 36 | 28.0% |
| Plains, MT | 1,019 | 40 | 20.0% |
| New Salem, ND | 1,019 | 36 | 28.0% |
| Cochranton, PA | 1,019 | 31 | 38.0% |
| Gilbert Creek, WV | 1,019 | 295 | 490.0% |
| Leroy, AL | 1,019 | 42 | 16.0% |
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