| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 26°F | 49°F | 36°F | 2.1" |
| February | 29°F | 51°F | 39°F | 2.0" |
| March | 39°F | 63°F | 50°F | 3.9" |
| April | 47°F | 71°F | 58°F | 5.9" |
| May | 55°F | 77°F | 66°F | 7.2" |
| June | 65°F | 87°F | 76°F | 3.9" |
| July | 68°F | 91°F | 79°F | 4.2" |
| August | 67°F | 90°F | 78°F | 3.8" |
| September | 59°F | 82°F | 70°F | 4.5" |
| October | 48°F | 71°F | 59°F | 4.3" |
| November | 38°F | 61°F | 49°F | 2.9" |
| December | 29°F | 50°F | 39°F | 3.3" |
| Index | Springdale | Arkansas | National |
| Air quality index | 44 | 38 | 42 |
| Pollution index | 182,136 | 1,487,822 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 267 |
| Days with moderate air quality | 98 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Farmington, AR | 7,166 | 44 | 12.0% |
| Highfill, AR | 1,383 | 44 | 12.0% |
| Springtown, AR | 136 | 44 | 12.0% |
| Little Flock, AR | 2,776 | 44 | 12.0% |
| Bethel Heights, AR | 2,490 | 44 | 12.0% |
| Springdale, AR | 80,433 | 44 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Franklin, TN | 80,675 | 45 | 10.0% |
| Brooklyn Park, MN | 80,173 | 46 | 8.0% |
| Mountain View, CA | 80,104 | 43 | 14.0% |
| Tustin, CA | 80,815 | 89 | 78.0% |
| Deerfield Beach, FL | 80,822 | 41 | 18.0% |
| Springdale, AR | 80,433 | 44 | 12.0% |
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