Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 28°F | 34°F | 32°F | 2.6" |
February | 28°F | 35°F | 32°F | 2.3" |
March | 29°F | 36°F | 33°F | 3.4" |
April | 32°F | 39°F | 35°F | 2.7" |
May | 36°F | 42°F | 39°F | 3.1" |
June | 41°F | 46°F | 43°F | 6.0" |
July | 45°F | 52°F | 48°F | 3.5" |
August | 48°F | 55°F | 51°F | 5.1" |
September | 46°F | 53°F | 50°F | 5.2" |
October | 40°F | 47°F | 44°F | 7.2" |
November | 34°F | 41°F | 38°F | 6.5" |
December | 30°F | 37°F | 34°F | 3.6" |
Index | Attu Station | Alaska | National |
Air quality index | 31 | 30 | 42 |
Pollution index | 204,690 | 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 | 0.010% |
Carbon Tetrachloride | 0.000% |
Lead | 0.010% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Attu Station, AK | 19 | 31 | 38.0% |
City | Population | Air Quality Index | National Avg. |
Red Devil, AK | 19 | 31 | 38.0% |
Alamo Lake, AZ | 19 | 13 | 74.0% |
Little Valley, CA | 19 | 42 | 16.0% |
Redcrest, CA | 19 | 27 | 46.0% |
Spring Garden, CA | 19 | 44 | 12.0% |
Attu Station, AK | 19 | 31 | 38.0% |