Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 30°F | 44°F | 36°F | 7.5" |
February | 28°F | 46°F | 36°F | 4.9" |
March | 38°F | 61°F | 49°F | 4.2" |
April | 45°F | 67°F | 56°F | 5.8" |
May | 55°F | 79°F | 67°F | 4.4" |
June | 65°F | 87°F | 76°F | 5.4" |
July | 66°F | 87°F | 76°F | 3.6" |
August | 69°F | 92°F | 80°F | 3.8" |
September | 60°F | 85°F | 71°F | 5.0" |
October | 48°F | 73°F | 59°F | 5.5" |
November | 38°F | 59°F | 48°F | 11.1" |
December | 28°F | 45°F | 36°F | 6.7" |
Index | Anna | Illinois | National |
Air quality index | 44 | 41 | 42 |
Pollution index | 2,331,220 | 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 | 0.010% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.004% |
Lead | 0.002% |
Mercury | 0.260% |
City | Population | Air Quality Index | National Avg. |
Grand Tower, IL | 589 | 43 | 14.0% |
Cobden, IL | 1,018 | 44 | 12.0% |
Makanda, IL | 541 | 44 | 12.0% |
Cypress, IL | 216 | 44 | 12.0% |
East Cape Girardeau, IL | 429 | 44 | 12.0% |
Anna, IL | 4,149 | 44 | 12.0% |
City | Population | Air Quality Index | National Avg. |
Lake Sarasota, FL | 4,148 | 38 | 24.0% |
Benton Heights, MI | 4,151 | 39 | 22.0% |
Park Rapids, MN | 4,151 | 29 | 42.0% |
Louisville, TN | 4,151 | 46 | 8.0% |
Aldan, PA | 4,146 | 51 | 2.0% |
Anna, IL | 4,149 | 44 | 12.0% |