Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 42°F | 68°F | 58°F | 6.0" |
February | 46°F | 72°F | 62°F | 1.6" |
March | 52°F | 79°F | 69°F | 4.5" |
April | 61°F | 86°F | 76°F | 1.7" |
May | 72°F | 96°F | 87°F | 3.2" |
June | 82°F | 105°F | 96°F | n/a |
July | 87°F | 107°F | 99°F | 7.4" |
August | 86°F | 106°F | 98°F | 3.7" |
September | 78°F | 101°F | 93°F | 2.1" |
October | 63°F | 89°F | 79°F | 1.4" |
November | 53°F | 79°F | 69°F | 4.1" |
December | 43°F | 66°F | 56°F | 4.7" |
Index | Ajo | 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. |
Hudson, CO | 2,691 | 45 | 10.0% |
Riverton, NJ | 2,691 | 51 | 2.0% |
Dry Ridge, OH | 2,691 | 54 | 8.0% |
Solon, IA | 2,690 | 35 | 30.0% |
Fairmont, IL | 2,690 | 55 | 10.0% |
Ajo, AZ | 2,691 | 74 | 48.0% |