Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 38°F | 60°F | 47°F | 3.0" |
February | 42°F | 65°F | 52°F | 2.1" |
March | 50°F | 73°F | 61°F | 2.7" |
April | 58°F | 80°F | 69°F | 3.8" |
May | 65°F | 85°F | 74°F | 5.4" |
June | 75°F | 94°F | 84°F | 4.7" |
July | 78°F | 98°F | 87°F | 1.5" |
August | 78°F | 99°F | 88°F | 3.0" |
September | 72°F | 93°F | 81°F | 2.8" |
October | 60°F | 82°F | 70°F | 3.5" |
November | 49°F | 70°F | 58°F | 3.3" |
December | 41°F | 61°F | 50°F | 3.0" |
Index | Irving | Texas | National |
Air quality index | 51 | 52 | 42 |
Pollution index | 3,706,540 | 2,009,300 | 2,726,193 |
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. |
Euless, TX | 56,334 | 51 | 2.0% |
University Park, TX | 25,027 | 51 | 2.0% |
Plano, TX | 288,870 | 51 | 2.0% |
Dalworthington Gardens, TX | 2,192 | 51 | 2.0% |
Grand Prairie, TX | 193,835 | 51 | 2.0% |
Irving, TX | 240,475 | 51 | 2.0% |
City | Population | Air Quality Index | National Avg. |
Regina, SK | 241,465 | n/a | |
Garland, TX | 238,622 | 51 | 2.0% |
Chesapeake, VA | 242,647 | 40 | 20.0% |
Norfolk, VA | 244,300 | 40 | 20.0% |
Arlington, VA | 236,434 | 47 | 6.0% |
Irving, TX | 240,475 | 51 | 2.0% |