Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | -10°F | 9°F | -1°F | 1.0" |
February | -6°F | 18°F | 5°F | 0.7" |
March | -2°F | 29°F | 14°F | 0.4" |
April | 20°F | 46°F | 34°F | 0.3" |
May | 32°F | 61°F | 47°F | 0.6" |
June | 41°F | 69°F | 55°F | 1.1" |
July | 46°F | 71°F | 58°F | 1.9" |
August | 42°F | 66°F | 54°F | 2.0" |
September | 33°F | 57°F | 45°F | 1.4" |
October | 18°F | 39°F | 28°F | 1.0" |
November | -6°F | 16°F | 5°F | 1.0" |
December | -10°F | 9°F | 0°F | 1.0" |
Index | Chistochina | Alaska | National |
Air quality index | 31 | 30 | 42 |
Pollution index | 749,334 | 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 | 0.002% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.001% |
Lead | 0.010% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Chistochina, AK | 52 | 31 | 38.0% |
City | Population | Air Quality Index | National Avg. |
Chignik Lake, AK | 52 | 31 | 38.0% |
Koyukuk, AK | 52 | 38 | 24.0% |
Everton, AR | 52 | 36 | 28.0% |
Ponderosa, CA | 52 | 66 | 32.0% |
Carbon, IA | 52 | 40 | 20.0% |
Chistochina, AK | 52 | 31 | 38.0% |