Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 30°F | 53°F | 40°F | 3.1" |
February | 32°F | 56°F | 43°F | 2.3" |
March | 42°F | 67°F | 54°F | 5.0" |
April | 50°F | 76°F | 62°F | 5.1" |
May | 59°F | 82°F | 70°F | 5.6" |
June | 68°F | 91°F | 79°F | 3.4" |
July | 71°F | 94°F | 81°F | 4.1" |
August | 70°F | 93°F | 81°F | 4.0" |
September | 62°F | 86°F | 73°F | 3.4" |
October | 51°F | 76°F | 62°F | 3.7" |
November | 40°F | 65°F | 51°F | 4.1" |
December | 33°F | 54°F | 42°F | 4.7" |
Index | Casa | Arkansas | National |
Air quality index | 38 | 38 | 42 |
Pollution index | 1,468,480 | 1,487,822 | 2,726,193 |
Measurement | Total |
Days measured | 121 |
Days with good air quality | 93 |
Days with moderate air quality | 28 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.001% |
Lead | 0.004% |
Mercury | 0.001% |
City | Population | Air Quality Index | National Avg. |
Dardanelle, AR | 4,541 | 38 | 24.0% |
Pottsville, AR | 3,252 | 38 | 24.0% |
Plainview, AR | 588 | 38 | 24.0% |
Ola, AR | 873 | 38 | 24.0% |
Perry, AR | 351 | 45 | 10.0% |
Casa, AR | 107 | 38 | 24.0% |
City | Population | Air Quality Index | National Avg. |
Newhalen, AK | 107 | 31 | 38.0% |
Fifty-Six, AR | 107 | 36 | 28.0% |
Timber Cove, CA | 107 | 34 | 32.0% |
Bark Ranch, CO | 107 | 47 | 6.0% |
Layton, FL | 107 | 41 | 18.0% |
Casa, AR | 107 | 38 | 24.0% |