Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 28°F | 50°F | 38°F | 2.0" |
February | 30°F | 52°F | 40°F | 2.2" |
March | 39°F | 63°F | 50°F | 4.8" |
April | 48°F | 72°F | 60°F | 6.3" |
May | 55°F | 77°F | 66°F | 5.8" |
June | 65°F | 87°F | 75°F | 2.8" |
July | 68°F | 91°F | 79°F | 4.7" |
August | 67°F | 89°F | 77°F | 3.8" |
September | 59°F | 83°F | 70°F | 3.9" |
October | 49°F | 73°F | 60°F | 2.9" |
November | 39°F | 61°F | 49°F | 2.9" |
December | 31°F | 51°F | 40°F | 3.2" |
Index | Harrison | Arkansas | National |
Air quality index | 36 | 38 | 42 |
Pollution index | 993,329 | 1,487,822 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 347 |
Days with moderate air quality | 18 |
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 | 0.002% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Pindall, AR | 214 | 36 | 28.0% |
Bellefonte, AR | 463 | 36 | 28.0% |
South Lead Hill, AR | 89 | 36 | 28.0% |
Valley Springs, AR | 273 | 36 | 28.0% |
Bergman, AR | 674 | 36 | 28.0% |
Harrison, AR | 13,124 | 36 | 28.0% |
City | Population | Air Quality Index | National Avg. |
Monfort Heights, OH | 13,124 | 54 | 8.0% |
La Grange Park, IL | 13,129 | 55 | 10.0% |
Timberlake, VA | 13,130 | 26 | 48.0% |
Prince Rupert, BC | 13,113 | n/a | |
Warrenville, IL | 13,137 | 55 | 10.0% |
Harrison, AR | 13,124 | 36 | 28.0% |