Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 13°F | 30°F | 21°F | 0.8" |
February | 15°F | 33°F | 23°F | 2.0" |
March | 29°F | 48°F | 38°F | 3.9" |
April | 40°F | 62°F | 50°F | 4.8" |
May | 50°F | 74°F | 61°F | 6.0" |
June | 61°F | 83°F | 71°F | 8.3" |
July | 64°F | 85°F | 74°F | 7.5" |
August | 61°F | 82°F | 71°F | 5.6" |
September | 53°F | 77°F | 64°F | 4.9" |
October | 42°F | 64°F | 52°F | 7.5" |
November | 31°F | 49°F | 39°F | 5.2" |
December | 19°F | 34°F | 26°F | 4.0" |
Index | Van Horne | Iowa | National |
Air quality index | 39 | 39 | 42 |
Pollution index | 416,114 | 1,154,535 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 287 |
Days with moderate air quality | 78 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.004% |
Carbon Tetrachloride | 0.001% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Keystone, IA | 605 | 39 | 22.0% |
Marengo, IA | 2,407 | 39 | 22.0% |
Shellsburg, IA | 806 | 39 | 22.0% |
Newhall, IA | 1,096 | 39 | 22.0% |
Amana, IA | 472 | 39 | 22.0% |
Van Horne, IA | 958 | 39 | 22.0% |
City | Population | Air Quality Index | National Avg. |
Hackett, AR | 958 | 36 | 28.0% |
Chumuckla, FL | 958 | 41 | 18.0% |
Bellefonte, KY | 958 | 42 | 16.0% |
Farmersville, PA | 958 | 45 | 10.0% |
Tioga, TX | 958 | 325 | 550.0% |
Van Horne, IA | 958 | 39 | 22.0% |