Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 14°F | 32°F | 23°F | 1.7" |
February | 15°F | 35°F | 25°F | 1.6" |
March | 27°F | 50°F | 38°F | 2.7" |
April | 37°F | 64°F | 50°F | 4.3" |
May | 47°F | 75°F | 61°F | 3.4" |
June | 58°F | 84°F | 71°F | 5.1" |
July | 62°F | 86°F | 74°F | 4.9" |
August | 61°F | 84°F | 72°F | 5.3" |
September | 53°F | 79°F | 65°F | 2.8" |
October | 42°F | 66°F | 53°F | 2.9" |
November | 30°F | 51°F | 40°F | 2.4" |
December | 18°F | 36°F | 27°F | 2.5" |
Index | Roscoe | Illinois | National |
Air quality index | 42 | 41 | 42 |
Pollution index | 9,518,930 | 3,148,694 | 2,726,193 |
Measurement | Total |
Days measured | 341 |
Days with good air quality | 240 |
Days with moderate air quality | 100 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.005% |
Benzene | 0.090% |
Carbon Tetrachloride | 0.020% |
Lead | 0.160% |
Mercury | 0.090% |
City | Population | Air Quality Index | National Avg. |
Beloit, WI | 36,804 | 38 | 24.0% |
Clinton, WI | 1,994 | 38 | 24.0% |
South Beloit, IL | 7,730 | 38 | 24.0% |
Hanover, WI | 119 | 38 | 24.0% |
Sharon, WI | 1,613 | 38 | 24.0% |
Roscoe, IL | 10,632 | 42 | 16.0% |
City | Population | Air Quality Index | National Avg. |
East Liverpool, OH | 10,632 | 6 | 88.0% |
Gardere, LA | 10,629 | 45 | 10.0% |
Lansdowne, PA | 10,637 | 51 | 2.0% |
Petal, MS | 10,624 | 35 | 30.0% |
Timonium, MD | 10,642 | 46 | 8.0% |
Roscoe, IL | 10,632 | 42 | 16.0% |