Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 33°F | 58°F | 44°F | 2.9" |
February | 38°F | 61°F | 48°F | 1.9" |
March | 47°F | 70°F | 57°F | 3.9" |
April | 54°F | 77°F | 65°F | 4.2" |
May | 62°F | 83°F | 72°F | 4.7" |
June | 71°F | 92°F | 81°F | 3.4" |
July | 73°F | 96°F | 84°F | 2.7" |
August | 74°F | 96°F | 84°F | 2.1" |
September | 66°F | 90°F | 77°F | 2.9" |
October | 54°F | 80°F | 66°F | 4.6" |
November | 45°F | 68°F | 56°F | 3.5" |
December | 36°F | 58°F | 46°F | 3.1" |
Index | Van Alstyne | Texas | National |
Air quality index | 325 | 52 | 42 |
Pollution index | 723,856 | 2,009,300 | 2,726,193 |
Measurement | Total |
Days measured | 138 |
Days with good air quality | 120 |
Days with moderate air quality | 17 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.001% |
Lead | 0.003% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
New Hope, TX | 600 | 51 | 2.0% |
Blue Ridge, TX | 828 | 51 | 2.0% |
Prosper, TX | 25,887 | 51 | 2.0% |
Westminster, TX | 768 | 51 | 2.0% |
Celina, TX | 13,608 | 51 | 2.0% |
Van Alstyne, TX | 4,153 | 325 | 550.0% |
City | Population | Air Quality Index | National Avg. |
Westport, NC | 4,153 | 36 | 28.0% |
Benton Heights, MI | 4,151 | 39 | 22.0% |
Park Rapids, MN | 4,151 | 29 | 42.0% |
Louisville, TN | 4,151 | 46 | 8.0% |
Noyack, NY | 4,155 | 41 | 18.0% |
Van Alstyne, TX | 4,153 | 325 | 550.0% |