Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 22°F | 37°F | 28°F | 2.4" |
February | 23°F | 39°F | 30°F | 1.0" |
March | 36°F | 55°F | 44°F | 4.5" |
April | 45°F | 67°F | 55°F | 12.9" |
May | 55°F | 76°F | 65°F | 9.0" |
June | 64°F | 85°F | 73°F | 4.0" |
July | 66°F | 87°F | 76°F | 15.2" |
August | 64°F | 86°F | 74°F | 6.8" |
September | 57°F | 80°F | 67°F | 6.1" |
October | 46°F | 67°F | 55°F | 4.5" |
November | 36°F | 54°F | 44°F | 3.5" |
December | 27°F | 40°F | 33°F | 2.2" |
Index | Owaneco | Illinois | National |
Air quality index | 44 | 41 | 42 |
Pollution index | 2,357,280 | 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 | 0.002% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.004% |
Lead | 0.010% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Edinburg, IL | 1,088 | 40 | 20.0% |
Langleyville, IL | 439 | 40 | 20.0% |
Coalton, IL | 337 | 40 | 20.0% |
Wenonah, IL | 14 | 40 | 20.0% |
Tower Hill, IL | 643 | 40 | 20.0% |
Owaneco, IL | 259 | 44 | 12.0% |
City | Population | Air Quality Index | National Avg. |
Chelsea, IA | 259 | 39 | 22.0% |
Bovill, ID | 259 | 10 | 80.0% |
Verona, IL | 259 | 0 | 100.0% |
Prescott, MI | 259 | 26 | 48.0% |
Alexander, ND | 259 | 34 | 32.0% |
Owaneco, IL | 259 | 44 | 12.0% |