Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 24°F | 42°F | 32°F | 3.4" |
February | 25°F | 44°F | 33°F | 2.6" |
March | 34°F | 56°F | 44°F | 3.9" |
April | 43°F | 69°F | 56°F | 4.2" |
May | 52°F | 76°F | 63°F | 4.1" |
June | 60°F | 83°F | 71°F | 4.9" |
July | 64°F | 85°F | 74°F | 4.8" |
August | 63°F | 86°F | 73°F | 3.6" |
September | 56°F | 80°F | 67°F | 3.2" |
October | 45°F | 68°F | 55°F | 3.7" |
November | 35°F | 57°F | 45°F | 2.9" |
December | 29°F | 46°F | 37°F | 4.2" |
Index | Marietta | Ohio | National |
Air quality index | 35 | 40 | 42 |
Pollution index | 2,805,740 | 4,472,386 | 2,726,193 |
Measurement | Total |
Days measured | 364 |
Days with good air quality | 333 |
Days with moderate air quality | 31 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.005% |
Lead | 0.060% |
Mercury | 0.010% |
City | Population | Air Quality Index | National Avg. |
Little Hocking, OH | 759 | 35 | 30.0% |
Washington, WV | 1,303 | 35 | 30.0% |
St. Marys, WV | 2,050 | 35 | 30.0% |
Devola, OH | 2,593 | 35 | 30.0% |
Belmont, WV | 965 | 35 | 30.0% |
Marietta, OH | 13,551 | 35 | 30.0% |
City | Population | Air Quality Index | National Avg. |
Snoqualmie, WA | 13,550 | 45 | 10.0% |
Bécancour, QC | 13,552 | n/a | |
Pottsville, PA | 13,549 | 42 | 16.0% |
Central Elgin, ON | 13,549 | n/a | |
Bay St. Louis, MS | 13,539 | 42 | 16.0% |
Marietta, OH | 13,551 | 35 | 30.0% |