Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 36°F | 61°F | 47°F | 5.3" |
February | 38°F | 64°F | 50°F | 5.9" |
March | 45°F | 73°F | 58°F | 6.4" |
April | 53°F | 80°F | 66°F | 5.8" |
May | 60°F | 85°F | 72°F | 4.5" |
June | 69°F | 92°F | 80°F | 4.0" |
July | 71°F | 94°F | 81°F | 5.2" |
August | 71°F | 94°F | 81°F | 4.9" |
September | 65°F | 90°F | 76°F | 3.8" |
October | 52°F | 81°F | 66°F | 3.3" |
November | 43°F | 71°F | 55°F | 4.2" |
December | 39°F | 63°F | 50°F | 6.0" |
Index | Richland | Mississippi | National |
Air quality index | 44 | 40 | 42 |
Pollution index | 5,784,070 | 1,514,109 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 256 |
Days with moderate air quality | 109 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.005% |
Benzene | 0.070% |
Carbon Tetrachloride | 0.020% |
Lead | 0.030% |
Mercury | 0.003% |
City | Population | Air Quality Index | National Avg. |
Pearl, MS | 26,462 | 44 | 12.0% |
Jackson, MS | 163,778 | 44 | 12.0% |
Byram, MS | 11,519 | 44 | 12.0% |
Clinton, MS | 24,797 | 44 | 12.0% |
Ridgeland, MS | 24,194 | 44 | 12.0% |
Richland, MS | 7,203 | 44 | 12.0% |
City | Population | Air Quality Index | National Avg. |
Sky Lake, FL | 7,204 | 39 | 22.0% |
Viola, NY | 7,205 | 51 | 2.0% |
Lexington, VA | 7,205 | 26 | 48.0% |
Batesville, MS | 7,200 | 33 | 34.0% |
Peace River, AB | 7,200 | n/a | |
Richland, MS | 7,203 | 44 | 12.0% |