Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 31°F | 54°F | 41°F | 5.0" |
February | 32°F | 57°F | 44°F | 3.9" |
March | 41°F | 67°F | 53°F | 4.8" |
April | 49°F | 77°F | 62°F | 6.0" |
May | 57°F | 83°F | 69°F | 3.7" |
June | 66°F | 91°F | 78°F | 3.4" |
July | 70°F | 92°F | 80°F | 5.5" |
August | 70°F | 92°F | 80°F | 4.2" |
September | 63°F | 87°F | 73°F | 4.5" |
October | 50°F | 76°F | 62°F | 4.3" |
November | 38°F | 65°F | 51°F | 4.5" |
December | 35°F | 56°F | 45°F | 6.5" |
Index | Powells Crossroads | Tennessee | National |
Air quality index | 46 | 76 | 42 |
Pollution index | 1,068,210 | 2,454,916 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 230 |
Days with moderate air quality | 135 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.002% |
Lead | 0.001% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
East Ridge, TN | 21,187 | 46 | 8.0% |
Lookout Mountain, TN | 2,013 | 46 | 8.0% |
Signal Mountain, TN | 8,574 | 46 | 8.0% |
Gruetli-Laager, TN | 1,931 | 46 | 8.0% |
Palmer, TN | 708 | 46 | 8.0% |
Powells Crossroads, TN | 1,705 | 46 | 8.0% |
City | Population | Air Quality Index | National Avg. |
Harpersville, AL | 1,706 | 38 | 24.0% |
Quincy, CA | 1,706 | 46 | 8.0% |
Crescent City, FL | 1,704 | 17 | 66.0% |
Limestone Creek, FL | 1,704 | 36 | 28.0% |
Lockport Heights, LA | 1,706 | 41 | 18.0% |
Powells Crossroads, TN | 1,705 | 46 | 8.0% |