Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 21°F | 32°F | 26°F | 6.3" |
February | 23°F | 35°F | 28°F | 5.1" |
March | 23°F | 37°F | 29°F | 2.8" |
April | 31°F | 46°F | 38°F | 3.6" |
May | 39°F | 55°F | 46°F | 2.5" |
June | 45°F | 60°F | 52°F | 2.1" |
July | 49°F | 63°F | 56°F | 3.7" |
August | 49°F | 62°F | 55°F | 5.5" |
September | 44°F | 57°F | 49°F | 10.5" |
October | 35°F | 48°F | 40°F | 8.6" |
November | 25°F | 36°F | 30°F | 5.7" |
December | 22°F | 33°F | 28°F | 5.9" |
Index | Cooper Landing | Alaska | National |
Air quality index | 31 | 30 | 42 |
Pollution index | 7,145,440 | 11,243,194 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 262 |
Days with moderate air quality | 92 |
Days w/ poor A.Q. for sensitive groups | 7 |
Days with unhealthy air quality | 4 |
Pollutant | Total |
Arsenic | 0.030% |
Benzene | 0.130% |
Carbon Tetrachloride | 0.020% |
Lead | 0.140% |
Mercury | 0.001% |
City | Population | Air Quality Index | National Avg. |
Cooper Landing, AK | 263 | 31 | 38.0% |
City | Population | Air Quality Index | National Avg. |
Lemon Cove, CA | 263 | 66 | 32.0% |
Hancock, IA | 263 | 40 | 20.0% |
Randolph, IA | 263 | 40 | 20.0% |
Stanley, ID | 263 | 36 | 28.0% |
Gorham, IL | 263 | 43 | 14.0% |
Cooper Landing, AK | 263 | 31 | 38.0% |