Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 39°F | 62°F | 49°F | 5.7" |
February | 42°F | 65°F | 52°F | 5.2" |
March | 49°F | 72°F | 59°F | 6.1" |
April | 55°F | 79°F | 66°F | 4.3" |
May | 62°F | 84°F | 72°F | 4.7" |
June | 70°F | 91°F | 79°F | 3.7" |
July | 71°F | 91°F | 80°F | 6.4" |
August | 72°F | 92°F | 80°F | 6.5" |
September | 67°F | 88°F | 76°F | 4.5" |
October | 56°F | 80°F | 67°F | 3.6" |
November | 46°F | 70°F | 57°F | 3.1" |
December | 43°F | 63°F | 52°F | 6.5" |
Index | McComb | Mississippi | National |
Air quality index | 30 | 40 | 42 |
Pollution index | 1,050,560 | 1,514,109 | 2,726,193 |
Measurement | Total |
Days measured | 117 |
Days with good air quality | 104 |
Days with moderate air quality | 13 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.002% |
Lead | 0.010% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Magnolia, MS | 2,998 | 30 | 40.0% |
Summit, MS | 2,633 | 30 | 40.0% |
McComb, MS | 12,788 | 30 | 40.0% |
City | Population | Air Quality Index | National Avg. |
Mercerville, NJ | 12,783 | 41 | 18.0% |
Lindsay, CA | 12,793 | 66 | 32.0% |
Verde Village, AZ | 12,780 | 43 | 14.0% |
Riviera Beach, MD | 12,780 | 46 | 8.0% |
Jacksonville, AL | 12,796 | 43 | 14.0% |
McComb, MS | 12,788 | 30 | 40.0% |