Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 18°F | 34°F | 26°F | 4.5" |
February | 19°F | 35°F | 27°F | 3.6" |
March | 31°F | 49°F | 39°F | 4.4" |
April | 40°F | 62°F | 50°F | 5.4" |
May | 50°F | 72°F | 60°F | 6.5" |
June | 60°F | 81°F | 70°F | 5.8" |
July | 64°F | 84°F | 74°F | 8.0" |
August | 63°F | 82°F | 72°F | 7.5" |
September | 56°F | 76°F | 65°F | 5.4" |
October | 45°F | 64°F | 54°F | 6.2" |
November | 33°F | 51°F | 42°F | 5.4" |
December | 24°F | 38°F | 31°F | 3.8" |
Index | Country Club Hills | Illinois | National |
Air quality index | 55 | 41 | 50 |
Pollution index | 1,558,070 | 3,347,295 | 5,066,862 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 121 |
Days with moderate air quality | 227 |
Days w/ poor A.Q. for sensitive groups | 16 |
Days with unhealthy air quality | 1 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.070% |
Lead | 0.090% |
Mercury | 0.010% |
City, State | Population | Air Quality Index | National Avg. |
Midlothian, IL | 14,830 | 55 | 10% |
Riverdale, IL | 13,047 | 55 | 10% |
Olympia Fields, IL | 4,888 | 55 | 10% |
Calumet City, IL | 37,112 | 55 | 10% |
Highland, IN | 23,107 | 55 | 10% |
Country Club Hills, IL | 16,794 | 55 | 10% |
City, State | Population | Air Quality Index | National Avg. |
Fairview Heights, IL | 16,793 | 54 | 8% |
Artesia, CA | 16,789 | 72 | 44% |
Fort Leonard Wood, MO | 16,800 | 39 | 22% |
Fayetteville, GA | 16,780 | 52 | 4% |
Mount Vernon, OH | 16,777 | 41 | 18% |
Country Club Hills, IL | 16,794 | 55 | 10% |