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 | Ridley Park | 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. |
Clayton, NJ | 8,688 | 40 | 20.0% |
Glassboro, NJ | 20,069 | 40 | 20.0% |
Richwood, NJ | 3,967 | 40 | 20.0% |
Elsmere, DE | 5,814 | 51 | 2.0% |
Wilmington, DE | 70,655 | 51 | 2.0% |
Ridley Park, PA | 7,042 | 51 | 2.0% |
City | Population | Air Quality Index | National Avg. |
Milton-Freewater, OR | 7,044 | 23 | 54.0% |
Enoch, UT | 7,044 | 44 | 12.0% |
Fayetteville, TN | 7,046 | 44 | 12.0% |
Bonne Terre, MO | 7,037 | 54 | 8.0% |
Cumberland, Subd. B, NS | 7,048 | n/a | |
Ridley Park, PA | 7,042 | 51 | 2.0% |