Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 11°F | 28°F | 18°F | 0.8" |
February | 15°F | 33°F | 23°F | 1.6" |
March | 28°F | 50°F | 37°F | 3.2" |
April | 37°F | 62°F | 48°F | 4.7" |
May | 50°F | 74°F | 61°F | 5.6" |
June | 62°F | 84°F | 72°F | 10.1" |
July | 65°F | 91°F | 77°F | 0.0" |
August | 62°F | 86°F | 73°F | 1.8" |
September | 55°F | 83°F | 67°F | 4.7" |
October | 42°F | 66°F | 52°F | 6.7" |
November | 27°F | 51°F | 37°F | 1.5" |
December | 11°F | 29°F | 20°F | 0.6" |
Index | Plankinton | South Dakota | National |
Air quality index | 36 | 36 | 42 |
Pollution index | 83,825 | 345,623 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 321 |
Days with moderate air quality | 43 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.001% |
Carbon Tetrachloride | 0.000% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Stickney, SD | 265 | 36 | 28.0% |
Aurora Center, SD | 46 | 36 | 28.0% |
White Lake, SD | 437 | 36 | 28.0% |
Mount Vernon, SD | 500 | 36 | 28.0% |
Storla, SD | 21 | 42 | 16.0% |
Plankinton, SD | 709 | 36 | 28.0% |
City | Population | Air Quality Index | National Avg. |
Two Rivers, AK | 709 | 38 | 24.0% |
Hartford, IA | 709 | 39 | 22.0% |
Onaga, KS | 709 | 32 | 36.0% |
Conway, MO | 709 | 39 | 22.0% |
Silver Springs, NY | 709 | 37 | 26.0% |
Plankinton, SD | 709 | 36 | 28.0% |