Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 51°F | 72°F | 60°F | 2.9" |
February | 55°F | 77°F | 64°F | 2.4" |
March | 61°F | 82°F | 70°F | 4.1" |
April | 67°F | 88°F | 76°F | 4.4" |
May | 72°F | 91°F | 80°F | 7.5" |
June | 76°F | 96°F | 84°F | 6.0" |
July | 76°F | 96°F | 85°F | 12.6" |
August | 77°F | 97°F | 86°F | 6.9" |
September | 74°F | 93°F | 81°F | 9.5" |
October | 67°F | 89°F | 77°F | 11.2" |
November | 59°F | 81°F | 69°F | 4.4" |
December | 54°F | 74°F | 62°F | 4.7" |
Index | Donna | Texas | National |
Air quality index | 42 | 52 | 42 |
Pollution index | 7,136,530 | 2,009,300 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 243 |
Days with moderate air quality | 120 |
Days w/ poor A.Q. for sensitive groups | 2 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.080% |
Carbon Tetrachloride | 0.010% |
Lead | 0.020% |
Mercury | 0.001% |
City | Population | Air Quality Index | National Avg. |
Alamo, TX | 19,851 | 42 | 16.0% |
Campo Verde, TX | 169 | 42 | 16.0% |
Santa Rosa CDP, TX | 212 | 42 | 16.0% |
Progreso, TX | 5,908 | 42 | 16.0% |
Heidelberg, TX | 1,724 | 42 | 16.0% |
Donna, TX | 16,381 | 42 | 16.0% |
City | Population | Air Quality Index | National Avg. |
Pinehurst, NC | 16,382 | 29 | 42.0% |
Fort Hunt, VA | 16,383 | 47 | 6.0% |
Severn, ON | 16,377 | n/a | |
Dyersburg, TN | 16,371 | 26 | 48.0% |
Gainesville, VA | 16,391 | 47 | 6.0% |
Donna, TX | 16,381 | 42 | 16.0% |