Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 38°F | 57°F | 47°F | 10.1" |
February | 41°F | 62°F | 51°F | 8.0" |
March | 44°F | 67°F | 55°F | 8.4" |
April | 46°F | 74°F | 59°F | 4.6" |
May | 53°F | 83°F | 68°F | 2.6" |
June | 58°F | 91°F | 75°F | 2.6" |
July | 62°F | 96°F | 79°F | 0.2" |
August | 60°F | 95°F | 77°F | 0.4" |
September | 57°F | 90°F | 73°F | 1.3" |
October | 50°F | 79°F | 63°F | 4.8" |
November | 43°F | 65°F | 53°F | 7.5" |
December | 37°F | 56°F | 46°F | 9.8" |
Index | Alta Sierra | California | National |
Air quality index | 44 | 55 | 50 |
Pollution index | 4,289,310 | 18,106,726 | 5,066,862 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 239 |
Days with moderate air quality | 124 |
Days w/ poor A.Q. for sensitive groups | 2 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.050% |
Benzene | 0.070% |
Carbon Tetrachloride | 0.001% |
Lead | 0.060% |
Mercury | 0.010% |
City, State | Population | Air Quality Index | National Avg. |
Lake Wildwood, CA | 5,289 | 44 | 12% |
Smartsville, CA | 142 | 44 | 12% |
Alta, CA | 448 | 44 | 12% |
Nevada City, CA | 3,117 | 44 | 12% |
Colfax, CA | 2,189 | 44 | 12% |
Alta Sierra, CA | 6,639 | 44 | 12% |
City, State | Population | Air Quality Index | National Avg. |
Belfast, ME | 6,641 | 36 | 28% |
Opp, AL | 6,635 | 35 | 30% |
Oneonta, AL | 6,645 | 43 | 14% |
Twin Lakes, CO | 6,645 | 58 | 16% |
Montevallo, AL | 6,633 | 53 | 6% |
Alta Sierra, CA | 6,639 | 44 | 12% |