| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 22°F | 38°F | 30°F | 3.2" |
| February | 23°F | 39°F | 30°F | 2.2" |
| March | 32°F | 52°F | 41°F | 3.4" |
| April | 43°F | 65°F | 53°F | 3.4" |
| May | 52°F | 74°F | 62°F | 4.2" |
| June | 60°F | 81°F | 70°F | 5.1" |
| July | 64°F | 84°F | 73°F | 5.1" |
| August | 63°F | 82°F | 72°F | 4.1" |
| September | 56°F | 77°F | 66°F | 3.1" |
| October | 46°F | 65°F | 54°F | 3.8" |
| November | 35°F | 54°F | 44°F | 2.8" |
| December | 28°F | 43°F | 35°F | 3.7" |
| Index | Morningside | Pittsburgh | Pennsylvania |
| Air quality index | 56 | 56 | 45 |
| Pollution index | 960,213 | 960,213 | 4,327,992 |
| 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, State | Population | Air Quality Index | National Avg. |
| Fox Chapel, PA | 5,392 | 56 | 12% |
| Haysville, PA | 70 | 56 | 12% |
| Sharpsburg, PA | 3,421 | 56 | 12% |
| Franklin Park, PA | 14,228 | 56 | 12% |
| Bethel Park, PA | 32,222 | 56 | 12% |
| Pittsburgh, PA | 305,305 | 56 | 12% |
| City, State | Population | Air Quality Index | National Avg. |
| Stockton, CA | 301,443 | 45 | 10% |
| Anchorage, AK | 299,321 | 31 | 38% |
| Lexington-Fayette, KY | 311,529 | 42 | 16% |
| Cincinnati, OH | 298,011 | 54 | 8% |
| St. Paul, MN | 297,160 | 46 | 8% |
| Pittsburgh, PA | 305,305 | 56 | 12% |
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