Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 22°F | 38°F | 30°F | 2.9" |
February | 23°F | 40°F | 30°F | 2.0" |
March | 32°F | 52°F | 41°F | 3.5" |
April | 42°F | 65°F | 53°F | 3.3" |
May | 51°F | 73°F | 62°F | 4.2" |
June | 59°F | 80°F | 69°F | 4.5" |
July | 63°F | 84°F | 73°F | 3.6" |
August | 62°F | 83°F | 72°F | 3.9" |
September | 55°F | 77°F | 65°F | 3.3" |
October | 45°F | 65°F | 54°F | 3.6" |
November | 35°F | 54°F | 44°F | 2.6" |
December | 27°F | 43°F | 34°F | 3.6" |
Index | Smithfield | Ohio | National |
Air quality index | 39 | 40 | 42 |
Pollution index | 1,410,280 | 4,472,386 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 318 |
Days with moderate air quality | 47 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.002% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.002% |
Lead | 0.001% |
Mercury | 0.004% |
City | Population | Air Quality Index | National Avg. |
Tiltonsville, OH | 1,383 | 39 | 22.0% |
West Alexander, PA | 412 | 39 | 22.0% |
Windsor Heights, WV | 412 | 39 | 22.0% |
Lafferty, OH | 96 | 39 | 22.0% |
St. Clairsville, OH | 5,080 | 39 | 22.0% |
Smithfield, OH | 827 | 39 | 22.0% |
City | Population | Air Quality Index | National Avg. |
Rockford, IA | 827 | 15 | 70.0% |
Ashton, IL | 827 | 42 | 16.0% |
Oxford, MD | 827 | 41 | 18.0% |
Mayville, MI | 827 | 38 | 24.0% |
White Oak, MS | 827 | 45 | 10.0% |
Smithfield, OH | 827 | 39 | 22.0% |