Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 25°F | 40°F | 32°F | 8.4" |
February | 17°F | 36°F | 27°F | 3.0" |
March | 31°F | 51°F | 40°F | 5.7" |
April | 38°F | 64°F | 51°F | 5.4" |
May | 46°F | 75°F | 61°F | 4.4" |
June | 59°F | 84°F | 72°F | 3.9" |
July | 61°F | 85°F | 73°F | 5.2" |
August | 63°F | 87°F | 74°F | 7.4" |
September | 53°F | 81°F | 66°F | 2.6" |
October | 45°F | 68°F | 56°F | 3.3" |
November | 32°F | 55°F | 43°F | 6.2" |
December | 23°F | 39°F | 31°F | 3.3" |
Index | Mount Vernon | Ohio | National |
Air quality index | 41 | 40 | 42 |
Pollution index | 3,612,840 | 4,472,386 | 2,726,193 |
Measurement | Total |
Days measured | 245 |
Days with good air quality | 218 |
Days with moderate air quality | 27 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.004% |
Benzene | 0.040% |
Carbon Tetrachloride | 0.010% |
Lead | 0.030% |
Mercury | 0.002% |
City | Population | Air Quality Index | National Avg. |
Chesterville, OH | 214 | 41 | 18.0% |
Sparta, OH | 179 | 41 | 18.0% |
Utica, OH | 2,141 | 41 | 18.0% |
Danville, OH | 850 | 41 | 18.0% |
Fredericktown, OH | 2,510 | 41 | 18.0% |
Mount Vernon, OH | 16,684 | 41 | 18.0% |
City | Population | Air Quality Index | National Avg. |
Tahlequah, OK | 16,684 | 36 | 28.0% |
North Myrtle Beach, SC | 16,684 | 14 | 72.0% |
Pendleton, OR | 16,685 | 38 | 24.0% |
Opelousas, LA | 16,687 | 41 | 18.0% |
Sylvan Lake, AB | 16,694 | n/a | |
Mount Vernon, OH | 16,684 | 41 | 18.0% |