Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 26°F | 44°F | 34°F | 3.3" |
February | 26°F | 46°F | 35°F | 2.6" |
March | 33°F | 56°F | 44°F | 3.6" |
April | 44°F | 68°F | 56°F | 4.0" |
May | 54°F | 77°F | 65°F | 3.9" |
June | 64°F | 86°F | 74°F | 4.8" |
July | 70°F | 90°F | 79°F | 5.0" |
August | 68°F | 87°F | 77°F | 5.8" |
September | 61°F | 82°F | 71°F | 4.3" |
October | 50°F | 70°F | 59°F | 4.7" |
November | 39°F | 59°F | 48°F | 2.8" |
December | 31°F | 49°F | 40°F | 4.7" |
Index | Cheyney University | Pennsylvania | National |
Air quality index | 51 | 45 | 42 |
Pollution index | 2,169,600 | 4,584,805 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 180 |
Days with moderate air quality | 169 |
Days w/ poor A.Q. for sensitive groups | 16 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.002% |
Lead | 0.010% |
Mercury | 0.004% |
City | Population | Air Quality Index | National Avg. |
Exton, PA | 6,079 | 42 | 16.0% |
Caln, PA | 1,335 | 42 | 16.0% |
Downingtown, PA | 8,012 | 42 | 16.0% |
Thorndale, PA | 3,719 | 42 | 16.0% |
Lionville, PA | 6,707 | 42 | 16.0% |
Cheyney University, PA | 194 | 51 | 2.0% |
City | Population | Air Quality Index | National Avg. |
Laurel, IA | 194 | 37 | 26.0% |
Gilson, IL | 194 | 41 | 18.0% |
Bison, KS | 194 | 15 | 70.0% |
Maple Grove, MI | 194 | 36 | 28.0% |
Bolckow, MO | 194 | 43 | 14.0% |
Cheyney University, PA | 194 | 51 | 2.0% |