| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 33°F | 54°F | 43°F | 4.1" |
| February | 35°F | 57°F | 45°F | 4.0" |
| March | 43°F | 67°F | 54°F | 4.2" |
| April | 51°F | 75°F | 63°F | 4.1" |
| May | 59°F | 82°F | 70°F | 3.8" |
| June | 67°F | 90°F | 78°F | 3.6" |
| July | 70°F | 91°F | 79°F | 3.9" |
| August | 70°F | 90°F | 79°F | 4.7" |
| September | 64°F | 84°F | 73°F | 4.6" |
| October | 51°F | 75°F | 62°F | 3.4" |
| November | 40°F | 65°F | 52°F | 3.5" |
| December | 38°F | 58°F | 47°F | 5.1" |
| Index | Doraville | Georgia | National |
| Air quality index | 52 | 41 | 50 |
| Pollution index | 19,982,200 | 3,237,553 | 5,066,862 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 175 |
| Days with moderate air quality | 187 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 1 |
| Pollutant | Total |
| Arsenic | 0.210% |
| Benzene | 0.260% |
| Carbon Tetrachloride | 0.050% |
| Lead | 0.100% |
| Mercury | 0.010% |
| City, State | Population | Air Quality Index | National Avg. |
| Sugar Hill, GA | 20,889 | 42 | 16% |
| Suwanee, GA | 18,001 | 42 | 16% |
| Alpharetta, GA | 63,013 | 52 | 4% |
| Berkeley Lake, GA | 1,924 | 52 | 4% |
| Clarkston, GA | 12,594 | 52 | 4% |
| Doraville, GA | 10,348 | 52 | 4% |
| City, State | Population | Air Quality Index | National Avg. |
| Celina, OH | 10,349 | 30 | 40% |
| Holly Springs, GA | 10,351 | 52 | 4% |
| Reading, OH | 10,342 | 54 | 8% |
| Newberry, SC | 10,338 | 42 | 16% |
| Wood River, IL | 10,360 | 60 | 20% |
| Doraville, GA | 10,348 | 52 | 4% |