Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 28°F | 51°F | 39°F | 7.4" |
February | 30°F | 54°F | 41°F | 4.5" |
March | 37°F | 63°F | 50°F | 5.4" |
April | 45°F | 73°F | 59°F | 6.0" |
May | 53°F | 79°F | 66°F | 9.0" |
June | 62°F | 87°F | 74°F | 9.4" |
July | 65°F | 88°F | 76°F | 5.3" |
August | 65°F | 87°F | 74°F | 7.1" |
September | 58°F | 81°F | 68°F | 5.1" |
October | 45°F | 71°F | 57°F | 9.0" |
November | 35°F | 62°F | 47°F | 6.8" |
December | 32°F | 54°F | 42°F | 6.7" |
Index | Salem | North Carolina | National |
Air quality index | 43 | 35 | 42 |
Pollution index | 1,564,530 | 2,789,538 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 275 |
Days with moderate air quality | 90 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.002% |
Lead | 0.020% |
Mercury | 0.010% |
City | Population | Air Quality Index | National Avg. |
Casar, NC | 361 | 36 | 28.0% |
Belwood, NC | 1,130 | 36 | 28.0% |
Drexel, NC | 1,725 | 43 | 14.0% |
Valdese, NC | 4,420 | 43 | 14.0% |
Hudson, NC | 3,713 | 43 | 14.0% |
Salem, NC | 1,479 | 43 | 14.0% |
City | Population | Air Quality Index | National Avg. |
Grand Ronde, OR | 1,479 | 32 | 36.0% |
Calvert, TX | 1,479 | 38 | 24.0% |
Carrizo Hill, TX | 1,479 | 25 | 50.0% |
Strong, ON | 1,479 | n/a | |
Akron, IA | 1,478 | 35 | 30.0% |
Salem, NC | 1,479 | 43 | 14.0% |