Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 39°F | 60°F | 48°F | 3.4" |
February | 42°F | 62°F | 51°F | 2.1" |
March | 50°F | 72°F | 60°F | 6.1" |
April | 57°F | 78°F | 67°F | 2.8" |
May | 67°F | 85°F | 75°F | 4.2" |
June | 75°F | 94°F | 84°F | 4.1" |
July | 77°F | 96°F | 86°F | 2.4" |
August | 78°F | 97°F | 86°F | 2.6" |
September | 70°F | 89°F | 79°F | 5.0" |
October | 58°F | 79°F | 68°F | 5.0" |
November | 50°F | 71°F | 59°F | 2.7" |
December | 39°F | 60°F | 48°F | 2.3" |
Index | Winnetka Heights | Dallas | Texas |
Air quality index | 51 | 51 | 52 |
Pollution index | 3,706,540 | 3,706,540 | 2,009,300 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 181 |
Days with moderate air quality | 155 |
Days w/ poor A.Q. for sensitive groups | 28 |
Days with unhealthy air quality | 1 |
Pollutant | Total |
Arsenic | 0.002% |
Benzene | 0.040% |
Carbon Tetrachloride | 0.010% |
Lead | 0.040% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Red Oak, TX | 13,010 | 51 | 2.0% |
Grapevine, TX | 54,151 | 51 | 2.0% |
Horseshoe Bend, TX | 621 | 51 | 2.0% |
Arlington, TX | 397,269 | 51 | 2.0% |
Duncanville, TX | 39,096 | 51 | 2.0% |
Dallas, TX | 1,338,846 | 51 | 2.0% |
City | Population | Air Quality Index | National Avg. |
Calgary, AB | 1,371,990 | n/a | |
San Diego, CA | 1,414,545 | 64 | 28.0% |
San Antonio, TX | 1,529,133 | 49 | 2.0% |
Philadelphia, PA | 1,581,531 | 51 | 2.0% |
Ottawa, ON | 1,058,126 | n/a | |
Dallas, TX | 1,338,846 | 51 | 2.0% |