Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 25°F | 41°F | 33°F | 5.6" |
February | 21°F | 38°F | 29°F | 4.6" |
March | 29°F | 50°F | 39°F | 6.9" |
April | 40°F | 63°F | 51°F | 11.6" |
May | 48°F | 73°F | 61°F | 2.5" |
June | 61°F | 83°F | 72°F | 4.5" |
July | 65°F | 86°F | 75°F | 7.2" |
August | 65°F | 86°F | 75°F | 6.7" |
September | 56°F | 82°F | 69°F | 1.6" |
October | 49°F | 70°F | 59°F | 9.8" |
November | 35°F | 55°F | 44°F | 4.7" |
December | 26°F | 41°F | 33°F | 5.6" |
Index | Exton | Pennsylvania | National |
Air quality index | 42 | 45 | 42 |
Pollution index | 2,169,600 | 4,584,805 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 279 |
Days with moderate air quality | 80 |
Days w/ poor A.Q. for sensitive groups | 5 |
Days with unhealthy air quality | 1 |
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. |
Eagleview, PA | 1,880 | 42 | 16.0% |
Caln, PA | 1,335 | 42 | 16.0% |
Downingtown, PA | 8,012 | 42 | 16.0% |
New Morgan, PA | 105 | 42 | 16.0% |
South Coatesville, PA | 1,559 | 42 | 16.0% |
Exton, PA | 6,079 | 42 | 16.0% |
City | Population | Air Quality Index | National Avg. |
Pass Christian, MS | 6,079 | 42 | 16.0% |
University at Buffalo, NY | 6,079 | 39 | 22.0% |
Newberry, FL | 6,081 | 35 | 30.0% |
Pictou, Subd. B, NS | 6,082 | n/a | |
Sainte-Martine, QC | 6,075 | n/a | |
Exton, PA | 6,079 | 42 | 16.0% |