Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 36°F | 59°F | 46°F | 3.0" |
February | 38°F | 62°F | 49°F | 3.4" |
March | 45°F | 70°F | 57°F | 3.2" |
April | 54°F | 79°F | 66°F | 2.8" |
May | 62°F | 85°F | 73°F | 3.4" |
June | 70°F | 92°F | 80°F | 4.6" |
July | 73°F | 94°F | 82°F | 4.7" |
August | 73°F | 92°F | 81°F | 5.5" |
September | 67°F | 87°F | 76°F | 4.2" |
October | 55°F | 78°F | 65°F | 4.0" |
November | 43°F | 68°F | 54°F | 2.8" |
December | 41°F | 63°F | 50°F | 4.3" |
Index | Columbia | South Carolina | National |
Air quality index | 43 | 37 | 42 |
Pollution index | 4,798,360 | 3,620,438 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 264 |
Days with moderate air quality | 99 |
Days w/ poor A.Q. for sensitive groups | 2 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.002% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.002% |
Lead | 0.001% |
Mercury | 0.002% |
City | Population | Air Quality Index | National Avg. |
Cayce, SC | 13,964 | 43 | 14.0% |
Hopkins, SC | 2,068 | 43 | 14.0% |
Lexington, SC | 21,847 | 43 | 14.0% |
St. Andrews, SC | 21,355 | 43 | 14.0% |
Springdale, SC | 2,878 | 43 | 14.0% |
Columbia, SC | 134,057 | 43 | 14.0% |
City | Population | Air Quality Index | National Avg. |
Warren, MI | 134,188 | 56 | 12.0% |
Gainesville, FL | 133,611 | 35 | 30.0% |
Coral Springs, FL | 133,370 | 41 | 18.0% |
Cedar Rapids, IA | 133,125 | 39 | 22.0% |
Visalia, CA | 133,100 | 66 | 32.0% |
Columbia, SC | 134,057 | 43 | 14.0% |