Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 18°F | 34°F | 25°F | 3.2" |
February | 19°F | 36°F | 27°F | 2.6" |
March | 32°F | 51°F | 40°F | 3.2" |
April | 41°F | 64°F | 51°F | 5.2" |
May | 51°F | 74°F | 62°F | 5.3" |
June | 61°F | 83°F | 71°F | 9.7" |
July | 64°F | 86°F | 74°F | 5.3" |
August | 62°F | 84°F | 73°F | 9.8" |
September | 55°F | 79°F | 66°F | 6.1" |
October | 44°F | 65°F | 54°F | 7.0" |
November | 34°F | 52°F | 42°F | 3.8" |
December | 24°F | 38°F | 31°F | 3.7" |
Index | Sheldon | Illinois | National |
Air quality index | 42 | 41 | 50 |
Pollution index | 2,020,430 | 3,347,295 | 5,066,862 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 276 |
Days with moderate air quality | 89 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.002% |
Benzene | 0.090% |
Carbon Tetrachloride | 0.000% |
Lead | 0.000% |
Mercury | 0.001% |
City, State | Population | Air Quality Index | National Avg. |
Fowler, IN | 2,279 | 42 | 16% |
Watseka, IL | 5,318 | 42 | 16% |
Mount Ayr, IN | 136 | 42 | 16% |
Milford, IL | 1,246 | 42 | 16% |
Iroquois, IL | 165 | 42 | 16% |
Sheldon, IL | 1,182 | 42 | 16% |
City, State | Population | Air Quality Index | National Avg. |
Friend, NE | 1,182 | 31 | 38% |
Ak-Chin Village, AZ | 1,182 | 74 | 48% |
Mitchell, IL | 1,183 | 54 | 8% |
Mounds, OK | 1,181 | 45 | 10% |
Gilbert, IA | 1,183 | 37 | 26% |
Sheldon, IL | 1,182 | 42 | 16% |