Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 24°F | 45°F | 33°F | 2.4" |
February | 25°F | 48°F | 35°F | 2.2" |
March | 37°F | 61°F | 48°F | 3.6" |
April | 47°F | 72°F | 59°F | 5.4" |
May | 57°F | 80°F | 68°F | 4.6" |
June | 67°F | 89°F | 78°F | 5.2" |
July | 70°F | 92°F | 81°F | 4.2" |
August | 69°F | 91°F | 79°F | 3.6" |
September | 61°F | 84°F | 72°F | 4.3" |
October | 48°F | 72°F | 60°F | 3.4" |
November | 37°F | 60°F | 48°F | 3.4" |
December | 27°F | 47°F | 37°F | 3.5" |
Index | Black Jack | Missouri | National |
Air quality index | 54 | 97 | 42 |
Pollution index | 8,473,050 | 1,630,255 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 134 |
Days with moderate air quality | 221 |
Days w/ poor A.Q. for sensitive groups | 8 |
Days with unhealthy air quality | 2 |
Pollutant | Total |
Arsenic | 0.020% |
Benzene | 0.070% |
Carbon Tetrachloride | 0.020% |
Lead | 0.010% |
Mercury | 0.010% |
City | Population | Air Quality Index | National Avg. |
Maplewood, MO | 8,073 | 54 | 8.0% |
Webster Groves, MO | 22,906 | 54 | 8.0% |
Town and Country, MO | 11,109 | 54 | 8.0% |
Bel-Ridge, MO | 2,686 | 54 | 8.0% |
Cool Valley, MO | 1,116 | 54 | 8.0% |
Black Jack, MO | 6,930 | 54 | 8.0% |
City | Population | Air Quality Index | National Avg. |
Live Oak, FL | 6,929 | 38 | 24.0% |
Middlebury, VT | 6,929 | 36 | 28.0% |
Mendota, IL | 6,927 | 0 | 100.0% |
Madras, OR | 6,934 | 23 | 54.0% |
Savannah, TN | 6,934 | 37 | 26.0% |
Black Jack, MO | 6,930 | 54 | 8.0% |