Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 30°F | 60°F | 44°F | 1.6" |
February | 34°F | 64°F | 48°F | 1.2" |
March | 40°F | 70°F | 54°F | 0.6" |
April | 44°F | 76°F | 59°F | 0.3" |
May | 53°F | 84°F | 68°F | 0.1" |
June | 62°F | 94°F | 78°F | 0.0" |
July | 68°F | 100°F | 84°F | 0.2" |
August | 65°F | 99°F | 83°F | 0.0" |
September | 56°F | 93°F | 75°F | 0.2" |
October | 46°F | 81°F | 63°F | 0.4" |
November | 36°F | 70°F | 52°F | 0.4" |
December | 30°F | 59°F | 43°F | 1.0" |
Index | Lancaster | California | National |
Air quality index | 72 | 55 | 42 |
Pollution index | 21,095,500 | 10,473,190 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 66 |
Days with moderate air quality | 208 |
Days w/ poor A.Q. for sensitive groups | 62 |
Days with unhealthy air quality | 28 |
Pollutant | Total |
Arsenic | 1.700% |
Benzene | 0.350% |
Carbon Tetrachloride | 0.004% |
Lead | 0.580% |
Mercury | 1.550% |
City | Population | Air Quality Index | National Avg. |
Rosamond, CA | 20,255 | 67 | 34.0% |
Leona Valley, CA | 1,672 | 72 | 44.0% |
Littlerock, CA | 948 | 72 | 44.0% |
Elizabeth Lake, CA | 1,632 | 72 | 44.0% |
Palmdale, CA | 153,240 | 72 | 44.0% |
Lancaster, CA | 157,697 | 72 | 44.0% |
City | Population | Air Quality Index | National Avg. |
Alexandria, VA | 158,309 | 47 | 6.0% |
Hayward, CA | 158,817 | 43 | 14.0% |
Salinas, CA | 156,177 | 37 | 26.0% |
Clarksville, TN | 156,092 | 40 | 20.0% |
Barrie, ON | 159,618 | n/a | |
Lancaster, CA | 157,697 | 72 | 44.0% |