Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 20°F | 37°F | 28°F | 3.9" |
February | 18°F | 39°F | 28°F | 2.3" |
March | 28°F | 48°F | 37°F | 4.1" |
April | 36°F | 61°F | 48°F | 3.2" |
May | 47°F | 70°F | 58°F | 4.6" |
June | 56°F | 78°F | 66°F | 5.8" |
July | 60°F | 80°F | 71°F | 2.9" |
August | 61°F | 81°F | 71°F | 4.8" |
September | 56°F | 77°F | 66°F | 10.0" |
October | 46°F | 67°F | 56°F | 4.7" |
November | 36°F | 55°F | 45°F | 4.0" |
December | 27°F | 42°F | 34°F | 2.8" |
Index | Willoughby | Ohio | National |
Air quality index | 50 | 40 | 42 |
Pollution index | 28,421,300 | 4,472,386 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 185 |
Days with moderate air quality | 173 |
Days w/ poor A.Q. for sensitive groups | 7 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.220% |
Benzene | 0.280% |
Carbon Tetrachloride | 0.170% |
Lead | 0.250% |
Mercury | 0.090% |
City | Population | Air Quality Index | National Avg. |
Painesville, OH | 19,817 | 34 | 32.0% |
Fairport Harbor, OH | 3,067 | 34 | 32.0% |
Perry, OH | 1,662 | 34 | 32.0% |
Grand River, OH | 604 | 34 | 32.0% |
Bratenahl, OH | 1,460 | 50 | = 100 |
Willoughby, OH | 22,904 | 50 | = 100 |
City | Population | Air Quality Index | National Avg. |
Webster Groves, MO | 22,906 | 54 | 8.0% |
Uxbridge, ON | 22,892 | n/a | |
Derry, NH | 22,891 | 37 | 26.0% |
Marshall, TX | 22,881 | 38 | 24.0% |
Dickinson, ND | 22,880 | 33 | 34.0% |
Willoughby, OH | 22,904 | 50 | = 100 |