Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 18°F | 35°F | 26°F | 1.8" |
February | 19°F | 37°F | 27°F | 1.7" |
March | 34°F | 53°F | 42°F | 3.5" |
April | 45°F | 66°F | 55°F | 5.3" |
May | 54°F | 75°F | 64°F | 4.8" |
June | 64°F | 84°F | 74°F | 6.7" |
July | 67°F | 86°F | 76°F | 5.2" |
August | 66°F | 85°F | 75°F | 6.2" |
September | 58°F | 80°F | 68°F | 3.5" |
October | 46°F | 65°F | 55°F | 3.9" |
November | 37°F | 54°F | 45°F | 2.2" |
December | 22°F | 37°F | 29°F | 3.1" |
Index | Keithsburg | Illinois | National |
Air quality index | 32 | 41 | 42 |
Pollution index | 640,499 | 3,148,694 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 300 |
Days with moderate air quality | 65 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.000% |
Lead | 0.003% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Mediapolis, IA | 2,118 | 29 | 42.0% |
Oquawka, IL | 1,352 | 29 | 42.0% |
Oakville, IA | 209 | 32 | 36.0% |
New Boston, IL | 515 | 32 | 36.0% |
Grandview, IA | 480 | 32 | 36.0% |
Keithsburg, IL | 524 | 32 | 36.0% |
City | Population | Air Quality Index | National Avg. |
Orleans, IA | 524 | 32 | 36.0% |
Washburn, IA | 524 | 39 | 22.0% |
Patriot, IN | 524 | 54 | 8.0% |
Richmond, KS | 524 | 41 | 18.0% |
Cosmos, MN | 524 | 32 | 36.0% |
Keithsburg, IL | 524 | 32 | 36.0% |