Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 20°F | 38°F | 28°F | 1.5" |
February | 22°F | 40°F | 30°F | 1.8" |
March | 34°F | 55°F | 43°F | 2.3" |
April | 44°F | 67°F | 55°F | 4.2" |
May | 54°F | 76°F | 65°F | 4.6" |
June | 64°F | 85°F | 74°F | 5.0" |
July | 66°F | 87°F | 76°F | 3.8" |
August | 64°F | 86°F | 75°F | 2.7" |
September | 57°F | 80°F | 68°F | 3.5" |
October | 46°F | 68°F | 56°F | 3.6" |
November | 35°F | 54°F | 44°F | 2.7" |
December | 26°F | 41°F | 33°F | 3.1" |
Index | Cerro Gordo | Illinois | National |
Air quality index | 44 | 41 | 42 |
Pollution index | 703,218 | 3,148,694 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 255 |
Days with moderate air quality | 110 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.000% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Atwood, IL | 1,126 | 42 | 16.0% |
White Heath, IL | 153 | 42 | 16.0% |
Monticello, IL | 5,815 | 42 | 16.0% |
Ivesdale, IL | 250 | 42 | 16.0% |
Macon, IL | 1,091 | 44 | 12.0% |
Cerro Gordo, IL | 1,275 | 44 | 12.0% |
City | Population | Air Quality Index | National Avg. |
Los Alamos, CA | 1,275 | 44 | 12.0% |
Atoka, NM | 1,275 | 47 | 6.0% |
Gardiner, NY | 1,275 | 36 | 28.0% |
Sturgeon, PA | 1,275 | 56 | 12.0% |
Fort Thompson, SD | 1,275 | 20 | 60.0% |
Cerro Gordo, IL | 1,275 | 44 | 12.0% |