Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 32°F | 52°F | 41°F | 2.8" |
February | 32°F | 54°F | 42°F | 2.6" |
March | 40°F | 62°F | 50°F | 3.0" |
April | 49°F | 73°F | 60°F | 3.5" |
May | 58°F | 79°F | 68°F | 3.9" |
June | 67°F | 87°F | 77°F | 4.5" |
July | 71°F | 91°F | 80°F | 5.3" |
August | 70°F | 88°F | 78°F | 5.4" |
September | 64°F | 83°F | 73°F | 5.3" |
October | 53°F | 74°F | 63°F | 6.0" |
November | 41°F | 63°F | 52°F | 3.5" |
December | 36°F | 56°F | 45°F | 3.6" |
Index | Yorktown | Virginia | National |
Air quality index | 40 | 58 | 42 |
Pollution index | 203,556 | 1,561,881 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 317 |
Days with moderate air quality | 48 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.002% |
Benzene | 0.003% |
Carbon Tetrachloride | 0.001% |
Lead | 0.001% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Hampton, VA | 135,169 | 40 | 20.0% |
Rushmere, VA | 1,001 | 40 | 20.0% |
Mathews, VA | 683 | 40 | 20.0% |
Newport News, VA | 179,582 | 40 | 20.0% |
Scotland, VA | 146 | 40 | 20.0% |
Yorktown, VA | 286 | 40 | 20.0% |
City | Population | Air Quality Index | National Avg. |
Cibola, AZ | 286 | 45 | 10.0% |
Kalihiwai, HI | 286 | 13 | 74.0% |
Hornick, IA | 286 | 35 | 30.0% |
Pacific Junction, IA | 286 | 40 | 20.0% |
Druid Hills, KY | 286 | 49 | 2.0% |
Yorktown, VA | 286 | 40 | 20.0% |