Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 47°F | 65°F | 55°F | 3.7" |
February | 49°F | 68°F | 57°F | 2.9" |
March | 56°F | 74°F | 64°F | 3.6" |
April | 62°F | 79°F | 70°F | 5.6" |
May | 70°F | 87°F | 77°F | 4.0" |
June | 75°F | 92°F | 83°F | 6.0" |
July | 76°F | 92°F | 83°F | 9.1" |
August | 77°F | 93°F | 84°F | 5.1" |
September | 73°F | 89°F | 80°F | 6.1" |
October | 64°F | 83°F | 72°F | 10.0" |
November | 55°F | 75°F | 64°F | 3.7" |
December | 47°F | 66°F | 56°F | 4.0" |
Index | Houston | Texas | National |
Air quality index | 52 | 52 | 42 |
Pollution index | 2,906,860 | 2,009,300 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 171 |
Days with moderate air quality | 163 |
Days w/ poor A.Q. for sensitive groups | 26 |
Days with unhealthy air quality | 4 |
Pollutant | Total |
Arsenic | 0.003% |
Benzene | 0.040% |
Carbon Tetrachloride | 0.004% |
Lead | 0.001% |
Mercury | 0.002% |
City | Population | Air Quality Index | National Avg. |
Aldine, TX | 16,308 | 52 | 4.0% |
Bellaire, TX | 18,862 | 52 | 4.0% |
Galena Park, TX | 10,848 | 52 | 4.0% |
Missouri City, TX | 75,348 | 52 | 4.0% |
Southside Place, TX | 1,515 | 52 | 4.0% |
Houston, TX | 2,313,238 | 52 | 4.0% |
City | Population | Air Quality Index | National Avg. |
Chicago, IL | 2,699,347 | 55 | 10.0% |
Montréal, QC | 1,811,008 | n/a | |
Phoenix, AZ | 1,658,422 | 74 | 48.0% |
Toronto, ON | 3,013,752 | n/a | |
Philadelphia, PA | 1,581,531 | 51 | 2.0% |
Houston, TX | 2,313,238 | 52 | 4.0% |