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 | Richmond | Ohio | National |
Air quality index | 46 | 40 | 42 |
Pollution index | 1,410,280 | 4,472,386 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 217 |
Days with moderate air quality | 144 |
Days w/ poor A.Q. for sensitive groups | 4 |
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. |
Bergholz, OH | 636 | 6 | 88.0% |
Salineville, OH | 1,124 | 6 | 88.0% |
East Liverpool, OH | 10,632 | 6 | 88.0% |
Wellsville, OH | 3,336 | 6 | 88.0% |
Stratton, OH | 353 | 6 | 88.0% |
Richmond, OH | 469 | 46 | 8.0% |
City | Population | Air Quality Index | National Avg. |
San Jose, AZ | 469 | 37 | 26.0% |
Hollyvilla, KY | 469 | 49 | 2.0% |
Hanley Falls, MN | 469 | 32 | 36.0% |
Burdett, NY | 469 | 34 | 32.0% |
Coalton, OH | 469 | 14 | 72.0% |
Richmond, OH | 469 | 46 | 8.0% |