Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 26°F | 65°F | 45°F | 0.6" |
February | 31°F | 70°F | 50°F | 0.2" |
March | 38°F | 77°F | 58°F | 0.2" |
April | 42°F | 82°F | 64°F | 0.1" |
May | 49°F | 88°F | 70°F | 0.1" |
June | 61°F | 100°F | 82°F | 0.4" |
July | 66°F | 94°F | 78°F | 4.9" |
August | 64°F | 93°F | 77°F | 3.2" |
September | 59°F | 90°F | 74°F | 1.4" |
October | 47°F | 85°F | 66°F | 0.3" |
November | 35°F | 73°F | 54°F | 0.3" |
December | 29°F | 65°F | 46°F | 0.5" |
Index | Douglas | Arizona | National |
Air quality index | 45 | 57 | 42 |
Pollution index | 3,438,690 | 9,766,019 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 266 |
Days with moderate air quality | 99 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.004% |
Benzene | 0.060% |
Carbon Tetrachloride | 0.010% |
Lead | 0.040% |
Mercury | 0.003% |
City | Population | Air Quality Index | National Avg. |
Pirtleville, AZ | 1,233 | 45 | 10.0% |
Douglas, AZ | 16,292 | 45 | 10.0% |
City | Population | Air Quality Index | National Avg. |
Red Hill, SC | 16,290 | 14 | 72.0% |
Somerton, AZ | 16,301 | 45 | 10.0% |
Parkway, CA | 16,282 | 52 | 4.0% |
New River, AZ | 16,303 | 74 | 48.0% |
Stuart, FL | 16,279 | 36 | 28.0% |
Douglas, AZ | 16,292 | 45 | 10.0% |