Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 20°F | 39°F | 29°F | 2.9" |
February | 20°F | 40°F | 30°F | 2.5" |
March | 30°F | 53°F | 40°F | 3.3" |
April | 40°F | 66°F | 53°F | 3.2" |
May | 49°F | 75°F | 62°F | 4.1" |
June | 59°F | 82°F | 70°F | 4.3" |
July | 62°F | 85°F | 73°F | 4.5" |
August | 61°F | 84°F | 72°F | 3.5" |
September | 54°F | 78°F | 66°F | 3.0" |
October | 44°F | 66°F | 54°F | 3.6" |
November | 33°F | 55°F | 43°F | 2.6" |
December | 26°F | 43°F | 34°F | 3.6" |
Index | Rosslyn Farms | Pennsylvania | National |
Air quality index | 56 | 45 | 42 |
Pollution index | 1,675,060 | 4,584,805 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 129 |
Days with moderate air quality | 220 |
Days w/ poor A.Q. for sensitive groups | 12 |
Days with unhealthy air quality | 4 |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.002% |
Lead | 0.001% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Baden, PA | 3,911 | 6 | 88.0% |
Aliquippa, PA | 8,918 | 6 | 88.0% |
Joffre, PA | 410 | 46 | 8.0% |
Hickory, PA | 542 | 46 | 8.0% |
Bulger, PA | 412 | 46 | 8.0% |
Rosslyn Farms, PA | 430 | 56 | 12.0% |
City | Population | Air Quality Index | National Avg. |
Bellflower, IL | 430 | 42 | 16.0% |
Chandlerville, IL | 430 | 40 | 20.0% |
Hope, KS | 430 | 32 | 36.0% |
Friendsville, MD | 430 | 36 | 28.0% |
Gunnison, MS | 430 | 43 | 14.0% |
Rosslyn Farms, PA | 430 | 56 | 12.0% |