Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 43°F | 68°F | 57°F | 1.9" |
February | 48°F | 71°F | 61°F | 3.5" |
March | 52°F | 80°F | 69°F | 6.8" |
April | 62°F | 88°F | 78°F | 2.1" |
May | 73°F | 98°F | 88°F | n/a |
June | 80°F | 105°F | 96°F | 4.2" |
July | 88°F | 110°F | 101°F | 18.5" |
August | 84°F | 106°F | 97°F | 4.8" |
September | 77°F | 102°F | 93°F | n/a |
October | 64°F | 90°F | 80°F | 3.1" |
November | 56°F | 83°F | 71°F | n/a |
December | 41°F | 66°F | 56°F | 14.7" |
Index | Why | Arizona | National |
Air quality index | 74 | 57 | 42 |
Pollution index | 4,063,380 | 9,766,019 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 50 |
Days with moderate air quality | 261 |
Days w/ poor A.Q. for sensitive groups | 42 |
Days with unhealthy air quality | 2 |
Pollutant | Total |
Arsenic | 0.004% |
Benzene | 0.060% |
Carbon Tetrachloride | 0.010% |
Lead | 0.040% |
Mercury | 0.001% |
City | Population | Air Quality Index | National Avg. |
Ajo, AZ | 2,691 | 74 | 48.0% |
Charco, AZ | 8 | 74 | 48.0% |
Why, AZ | 65 | 74 | 48.0% |
City | Population | Air Quality Index | National Avg. |
Coy, AR | 65 | 45 | 10.0% |
Weldon, AR | 65 | 45 | 10.0% |
Bear Valley CDP (Alpine County), CA | 65 | 48 | 4.0% |
Heeney, CO | 65 | 47 | 6.0% |
Hooper, CO | 65 | 16 | 68.0% |
Why, AZ | 65 | 74 | 48.0% |