Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 20°F | 38°F | 28°F | 3.4" |
February | 20°F | 40°F | 30°F | 2.3" |
March | 31°F | 53°F | 41°F | 4.0" |
April | 41°F | 67°F | 53°F | 4.5" |
May | 51°F | 75°F | 63°F | 4.1" |
June | 61°F | 84°F | 72°F | 4.5" |
July | 63°F | 85°F | 74°F | 4.3" |
August | 62°F | 85°F | 73°F | 2.9" |
September | 55°F | 79°F | 67°F | 4.3" |
October | 44°F | 67°F | 55°F | 3.5" |
November | 33°F | 55°F | 43°F | 3.1" |
December | 25°F | 42°F | 33°F | 3.9" |
Index | Vandalia | Ohio | National |
Air quality index | 47 | 40 | 42 |
Pollution index | 11,539,300 | 4,472,386 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 213 |
Days with moderate air quality | 152 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.210% |
Benzene | 0.110% |
Carbon Tetrachloride | 0.060% |
Lead | 0.110% |
Mercury | 0.050% |
City | Population | Air Quality Index | National Avg. |
Green Meadows, OH | 2,060 | 45 | 10.0% |
Donnelsville, OH | 329 | 45 | 10.0% |
New Carlisle, OH | 5,577 | 45 | 10.0% |
Holiday Valley, OH | 1,573 | 45 | 10.0% |
Christiansburg, OH | 481 | 45 | 10.0% |
Vandalia, OH | 15,021 | 47 | 6.0% |
City | Population | Air Quality Index | National Avg. |
Belvedere Park, GA | 15,028 | 52 | 4.0% |
Hugo, MN | 15,008 | 46 | 8.0% |
Stone Ridge, VA | 15,034 | 47 | 6.0% |
Williamsburg, VA | 15,034 | 44 | 12.0% |
West Haven, UT | 15,003 | 45 | 10.0% |
Vandalia, OH | 15,021 | 47 | 6.0% |