Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 31°F | 56°F | 42°F | 4.9" |
February | 32°F | 59°F | 44°F | 4.0" |
March | 40°F | 68°F | 53°F | 5.2" |
April | 47°F | 78°F | 62°F | 5.1" |
May | 55°F | 84°F | 69°F | 4.2" |
June | 65°F | 91°F | 77°F | 3.3" |
July | 68°F | 92°F | 79°F | 3.6" |
August | 68°F | 92°F | 79°F | 3.8" |
September | 61°F | 87°F | 73°F | 3.5" |
October | 48°F | 77°F | 61°F | 4.0" |
November | 37°F | 66°F | 50°F | 3.8" |
December | 34°F | 58°F | 45°F | 6.5" |
Index | Sylvania | Alabama | National |
Air quality index | 39 | 37 | 42 |
Pollution index | 2,295,500 | 3,012,339 | 2,726,193 |
Measurement | Total |
Days measured | 361 |
Days with good air quality | 324 |
Days with moderate air quality | 37 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.002% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.002% |
Lead | 0.010% |
Mercury | 0.002% |
City | Population | Air Quality Index | National Avg. |
Fort Payne, AL | 14,063 | 39 | 22.0% |
Lakeview, AL | 201 | 39 | 22.0% |
Powell, AL | 1,071 | 39 | 22.0% |
Dutton, AL | 506 | 39 | 22.0% |
Pisgah, AL | 886 | 39 | 22.0% |
Sylvania, AL | 2,386 | 39 | 22.0% |
City | Population | Air Quality Index | National Avg. |
Antlers, OK | 2,386 | 325 | 550.0% |
Kenly, NC | 2,385 | 40 | 20.0% |
Shadow Lake, WA | 2,385 | 45 | 10.0% |
Horse Cave, KY | 2,387 | 43 | 14.0% |
Warson Woods, MO | 2,387 | 54 | 8.0% |
Sylvania, AL | 2,386 | 39 | 22.0% |