Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 10°F | 74°F | 44°F | 2.6" |
February | 13°F | 74°F | 45°F | 2.5" |
March | 16°F | 86°F | 53°F | 4.7" |
April | 21°F | 89°F | 61°F | 3.4" |
May | 40°F | 92°F | 67°F | 2.8" |
June | 50°F | 99°F | 76°F | 4.9" |
July | 56°F | 100°F | 78°F | 3.3" |
August | 61°F | 104°F | 79°F | 4.1" |
September | 43°F | 96°F | 72°F | 2.4" |
October | 27°F | 92°F | 61°F | 3.3" |
November | 13°F | 84°F | 52°F | 3.9" |
December | 14°F | 81°F | 45°F | 4.7" |
Index | Harris-Houston | Charlotte | North Carolina |
Air quality index | 42 | 42 | 35 |
Pollution index | 13,834,800 | 13,834,800 | 3,848,988 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 278 |
Days with moderate air quality | 87 |
Days w/ poor A.Q. for sensitive groups | |
Days with unhealthy air quality |
Pollutant | Total |
Arsenic | 0.020% |
Benzene | 0.170% |
Carbon Tetrachloride | 0.050% |
Lead | 0.030% |
Mercury | 0.100% |
City, State | Population | Air Quality Index | National Avg. |
Kannapolis, NC | 45,685 | 40 | 20% |
Enochville, NC | 2,865 | 40 | 20% |
Concord, NC | 85,753 | 40 | 20% |
Cornelius, NC | 27,426 | 42 | 16% |
Fairview, NC | 3,602 | 42 | 16% |
Charlotte, NC | 808,834 | 42 | 16% |
City, State | Population | Air Quality Index | National Avg. |
Fort Worth, TX | 815,930 | 54 | 8% |
Columbus, OH | 837,038 | 43 | 14% |
Indianapolis, IN | 846,674 | 59 | 18% |
San Francisco, CA | 850,282 | 43 | 14% |
Jacksonville, FL | 856,616 | 38 | 24% |
Charlotte, NC | 808,834 | 42 | 16% |