Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 30°F | 51°F | 40°F | 3.6" |
February | 32°F | 54°F | 42°F | 2.5" |
March | 40°F | 63°F | 51°F | 3.5" |
April | 49°F | 73°F | 60°F | 4.3" |
May | 57°F | 79°F | 67°F | 4.5" |
June | 65°F | 86°F | 76°F | 4.0" |
July | 69°F | 89°F | 78°F | 4.1" |
August | 68°F | 87°F | 77°F | 4.8" |
September | 62°F | 81°F | 71°F | 3.9" |
October | 49°F | 72°F | 60°F | 3.8" |
November | 39°F | 62°F | 50°F | 3.6" |
December | 34°F | 54°F | 44°F | 3.8" |
Index | Winston-Salem | North Carolina | National |
Air quality index | 45 | 35 | 42 |
Pollution index | 3,428,900 | 2,789,538 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 225 |
Days with moderate air quality | 140 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.005% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.010% |
Lead | 0.010% |
Mercury | 0.010% |
City | Population | Air Quality Index | National Avg. |
High Point, NC | 112,434 | 40 | 20.0% |
Welcome, NC | 3,050 | 40 | 20.0% |
Clemmons, NC | 20,574 | 45 | 10.0% |
Bethania, NC | 351 | 45 | 10.0% |
Rural Hall, NC | 3,227 | 45 | 10.0% |
Winston-Salem, NC | 245,787 | 45 | 10.0% |
City | Population | Air Quality Index | National Avg. |
North Las Vegas, NV | 247,248 | 54 | 8.0% |
Norfolk, VA | 244,300 | 40 | 20.0% |
Gilbert, AZ | 248,349 | 74 | 48.0% |
Chesapeake, VA | 242,647 | 40 | 20.0% |
Longueuil, QC | 249,920 | n/a | |
Winston-Salem, NC | 245,787 | 45 | 10.0% |