Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | -8°F | 9°F | 0°F | 0.3" |
February | -2°F | 18°F | 8°F | 0.3" |
March | 1°F | 24°F | 13°F | 0.2" |
April | 22°F | 45°F | 34°F | 0.2" |
May | 38°F | 61°F | 50°F | 0.9" |
June | 48°F | 69°F | 58°F | 2.6" |
July | 51°F | 71°F | 60°F | 2.6" |
August | 46°F | 67°F | 56°F | 1.7" |
September | 36°F | 56°F | 46°F | 0.8" |
October | 20°F | 36°F | 28°F | 0.5" |
November | -2°F | 14°F | 6°F | 0.4" |
December | -6°F | 11°F | 3°F | 0.3" |
Index | Big Delta | Alaska | National |
Air quality index | 38 | 30 | 42 |
Pollution index | 4,370,560 | 11,243,194 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 230 |
Days with moderate air quality | 96 |
Days w/ poor A.Q. for sensitive groups | 18 |
Days with unhealthy air quality | 16 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.080% |
Carbon Tetrachloride | 0.004% |
Lead | 0.090% |
Mercury | 0.060% |
City | Population | Air Quality Index | National Avg. |
Delta Junction, AK | 1,182 | 38 | 24.0% |
Whitestone, AK | 60 | 38 | 24.0% |
Big Delta, AK | 627 | 38 | 24.0% |
City | Population | Air Quality Index | National Avg. |
Pavo, GA | 627 | 35 | 30.0% |
Fern Forest, HI | 627 | 16 | 68.0% |
Lime Springs, IA | 627 | 36 | 28.0% |
Stanton, IA | 627 | 40 | 20.0% |
Rosebud, MO | 627 | 39 | 22.0% |
Big Delta, AK | 627 | 38 | 24.0% |