Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 18°F | 44°F | 30°F | 1.1" |
February | 22°F | 49°F | 34°F | 1.1" |
March | 26°F | 55°F | 39°F | 1.2" |
April | 29°F | 61°F | 44°F | 1.5" |
May | 35°F | 70°F | 53°F | 1.2" |
June | 42°F | 81°F | 62°F | 0.7" |
July | 47°F | 91°F | 71°F | 0.2" |
August | 44°F | 89°F | 68°F | 0.2" |
September | 37°F | 82°F | 60°F | 0.3" |
October | 30°F | 67°F | 47°F | 1.0" |
November | 25°F | 53°F | 37°F | 1.1" |
December | 18°F | 42°F | 29°F | 1.5" |
Index | Alturas | California | National |
Air quality index | 29 | 55 | 50 |
Pollution index | 661,452 | 18,106,726 | 5,066,862 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 261 |
Days with moderate air quality | 98 |
Days w/ poor A.Q. for sensitive groups | 6 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.002% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.000% |
Lead | 0.020% |
Mercury | 0.001% |
City, State | Population | Air Quality Index | National Avg. |
California Pines, CA | 314 | 29 | 42% |
Daphnedale Park, CA | 116 | 29 | 42% |
Alturas, CA | 2,616 | 29 | 42% |
City, State | Population | Air Quality Index | National Avg. |
Lamoni, IA | 2,616 | 39 | 22% |
Blasdell, NY | 2,616 | 39 | 22% |
Owings, MD | 2,615 | 47 | 6% |
Arden on the Severn, MD | 2,615 | 46 | 8% |
Mineral Point, WI | 2,615 | 29 | 42% |
Alturas, CA | 2,616 | 29 | 42% |