Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 37°F | 54°F | 45°F | 8.1" |
February | 35°F | 55°F | 44°F | 5.4" |
March | 44°F | 67°F | 55°F | 5.9" |
April | 49°F | 72°F | 59°F | 7.1" |
May | 56°F | 82°F | 69°F | 2.9" |
June | 66°F | 89°F | 77°F | 4.9" |
July | 70°F | 89°F | 78°F | 7.2" |
August | 72°F | 94°F | 82°F | 5.2" |
September | 63°F | 88°F | 75°F | 7.8" |
October | 51°F | 76°F | 63°F | 3.6" |
November | 41°F | 65°F | 52°F | 8.0" |
December | 35°F | 55°F | 44°F | 5.0" |
Index | Decatur | Alabama | National |
Air quality index | 41 | 37 | 42 |
Pollution index | 6,960,530 | 3,012,339 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 306 |
Days with moderate air quality | 59 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.100% |
Carbon Tetrachloride | 0.060% |
Lead | 0.030% |
Mercury | 0.010% |
City | Population | Air Quality Index | National Avg. |
Mooresville, AL | 87 | 41 | 18.0% |
Hillsboro, AL | 590 | 41 | 18.0% |
Athens, AL | 26,686 | 41 | 18.0% |
Priceville, AL | 3,682 | 41 | 18.0% |
Trinity, AL | 2,593 | 41 | 18.0% |
Decatur, AL | 54,344 | 41 | 18.0% |
City | Population | Air Quality Index | National Avg. |
Rocky Mount, NC | 54,330 | 36 | 28.0% |
Yucaipa, CA | 54,358 | 89 | 78.0% |
Albany, OR | 54,442 | 28 | 44.0% |
Westchester, FL | 54,470 | 41 | 18.0% |
Colton, CA | 54,215 | 89 | 78.0% |
Decatur, AL | 54,344 | 41 | 18.0% |