Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 27°F | 44°F | 34°F | 2.9" |
February | 28°F | 46°F | 36°F | 2.9" |
March | 39°F | 60°F | 49°F | 4.7" |
April | 49°F | 72°F | 60°F | 5.9" |
May | 58°F | 79°F | 68°F | 4.9" |
June | 67°F | 88°F | 77°F | 4.9" |
July | 69°F | 89°F | 79°F | 5.6" |
August | 68°F | 89°F | 78°F | 3.2" |
September | 60°F | 83°F | 71°F | 4.9" |
October | 48°F | 71°F | 59°F | 4.4" |
November | 38°F | 59°F | 47°F | 3.6" |
December | 32°F | 48°F | 39°F | 4.4" |
Index | Calhoun | Kentucky | National |
Air quality index | 43 | 45 | 42 |
Pollution index | 1,436,290 | 1,369,131 | 2,726,193 |
Measurement | Total |
Days measured | 364 |
Days with good air quality | 276 |
Days with moderate air quality | 87 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.001% |
Lead | 0.003% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Rockport, KY | 227 | 43 | 14.0% |
South Carrollton, KY | 230 | 43 | 14.0% |
Onton, KY | 18 | 43 | 14.0% |
Bremen, KY | 350 | 43 | 14.0% |
Island, KY | 576 | 43 | 14.0% |
Calhoun, KY | 726 | 43 | 14.0% |
City | Population | Air Quality Index | National Avg. |
St. Johns CDP, AZ | 726 | 44 | 12.0% |
Salt Creek, CO | 726 | 20 | 60.0% |
Morning Sun, IA | 726 | 32 | 36.0% |
Dieterich, IL | 726 | 40 | 20.0% |
Holland, IN | 726 | 6 | 88.0% |
Calhoun, KY | 726 | 43 | 14.0% |