Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 28°F | 46°F | 36°F | 5.4" |
February | 30°F | 48°F | 38°F | 3.9" |
March | 40°F | 60°F | 49°F | 7.8" |
April | 49°F | 72°F | 60°F | 8.6" |
May | 58°F | 79°F | 67°F | 6.3" |
June | 67°F | 88°F | 77°F | 6.6" |
July | 69°F | 88°F | 78°F | 6.4" |
August | 67°F | 88°F | 77°F | 6.0" |
September | 59°F | 82°F | 70°F | 5.5" |
October | 48°F | 72°F | 59°F | 5.5" |
November | 38°F | 59°F | 47°F | 5.8" |
December | 32°F | 48°F | 39°F | 6.3" |
Index | Karnak | Illinois | National |
Air quality index | 44 | 41 | 42 |
Pollution index | 1,566,340 | 3,148,694 | 2,726,193 |
Measurement | Total |
Days measured | 364 |
Days with good air quality | 261 |
Days with moderate air quality | 103 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.001% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Anna, IL | 4,149 | 44 | 12.0% |
Ullin, IL | 579 | 44 | 12.0% |
Mound City, IL | 777 | 44 | 12.0% |
Joppa, IL | 263 | 44 | 12.0% |
Kevil, KY | 768 | 44 | 12.0% |
Karnak, IL | 473 | 44 | 12.0% |
City | Population | Air Quality Index | National Avg. |
Fort Yukon, AK | 473 | 38 | 24.0% |
Courtland, CA | 473 | 52 | 4.0% |
Canal Point, FL | 473 | 36 | 28.0% |
Thornton, IA | 473 | 15 | 70.0% |
Creal Springs, IL | 473 | 44 | 12.0% |
Karnak, IL | 473 | 44 | 12.0% |