Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 34°F | 54°F | 42°F | 5.1" |
February | 34°F | 57°F | 44°F | 4.7" |
March | 41°F | 65°F | 52°F | 5.6" |
April | 50°F | 75°F | 61°F | 6.5" |
May | 58°F | 81°F | 69°F | 8.0" |
June | 67°F | 89°F | 77°F | 7.6" |
July | 70°F | 91°F | 79°F | 9.7" |
August | 69°F | 89°F | 77°F | 6.7" |
September | 63°F | 83°F | 71°F | 9.5" |
October | 51°F | 74°F | 61°F | 3.5" |
November | 41°F | 64°F | 51°F | 6.0" |
December | 37°F | 58°F | 46°F | 6.5" |
Index | Selma | North Carolina | National |
Air quality index | 40 | 35 | 42 |
Pollution index | 227,321 | 2,789,538 | 2,726,193 |
Measurement | Total |
Days measured | 359 |
Days with good air quality | 237 |
Days with moderate air quality | 122 |
Days w/ poor A.Q. for sensitive groups | |
Days with unhealthy air quality |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.003% |
Carbon Tetrachloride | 0.001% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Sims, NC | 374 | 36 | 28.0% |
Kenly, NC | 2,385 | 40 | 20.0% |
Smithfield, NC | 12,697 | 40 | 20.0% |
Micro, NC | 688 | 40 | 20.0% |
Pine Level, NC | 2,188 | 40 | 20.0% |
Selma, NC | 6,950 | 40 | 20.0% |
City | Population | Air Quality Index | National Avg. |
Huntingdon, PA | 6,950 | 41 | 18.0% |
Plymouth, MA | 6,949 | 36 | 28.0% |
Asbestos, QC | 6,948 | n/a | |
Marshall, MI | 6,947 | 38 | 24.0% |
Oakdale, NY | 6,947 | 43 | 14.0% |
Selma, NC | 6,950 | 40 | 20.0% |