Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 8°F | 27°F | 17°F | 0.3" |
February | 10°F | 30°F | 19°F | 0.5" |
March | 26°F | 46°F | 34°F | 1.2" |
April | 36°F | 61°F | 47°F | 2.9" |
May | 48°F | 73°F | 59°F | 4.0" |
June | 58°F | 82°F | 70°F | 5.0" |
July | 62°F | 86°F | 74°F | 3.2" |
August | 59°F | 82°F | 70°F | 4.3" |
September | 51°F | 77°F | 63°F | 2.9" |
October | 39°F | 63°F | 49°F | 2.3" |
November | 25°F | 48°F | 36°F | 0.9" |
December | 12°F | 30°F | 21°F | 0.8" |
Index | Sheldon | Iowa | National |
Air quality index | 36 | 39 | 50 |
Pollution index | 3,266,490 | 1,643,836 | 5,066,862 |
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 | 0.070% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.004% |
Lead | 0.020% |
Mercury | 0.060% |
City, State | Population | Air Quality Index | National Avg. |
Paullina, IA | 1,034 | 35 | 30% |
Hospers, IA | 756 | 35 | 30% |
Primghar, IA | 973 | 35 | 30% |
Alton, IA | 1,325 | 35 | 30% |
Archer, IA | 177 | 35 | 30% |
Sheldon, IA | 5,015 | 36 | 28% |
City, State | Population | Air Quality Index | National Avg. |
Port Isabel, TX | 5,015 | 44 | 12% |
Mayville, WI | 5,016 | 40 | 20% |
Mendham, NJ | 5,012 | 34 | 32% |
Falmouth, VA | 5,018 | 47 | 6% |
Whiskey Creek, FL | 5,011 | 36 | 28% |
Sheldon, IA | 5,015 | 36 | 28% |