Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 49°F | 68°F | 58°F | 1.7" |
February | 51°F | 68°F | 59°F | 1.8" |
March | 54°F | 69°F | 60°F | 1.0" |
April | 56°F | 70°F | 62°F | 0.6" |
May | 60°F | 70°F | 64°F | 0.4" |
June | 62°F | 72°F | 66°F | 0.0" |
July | 66°F | 76°F | 70°F | 0.2" |
August | 67°F | 78°F | 71°F | 0.0" |
September | 66°F | 78°F | 71°F | 0.2" |
October | 61°F | 77°F | 68°F | 0.5" |
November | 55°F | 73°F | 63°F | 0.9" |
December | 49°F | 67°F | 58°F | 2.2" |
Index | Kearny Mesa | San Diego | California |
Air quality index | 64 | 64 | 55 |
Pollution index | 45,820,500 | 45,820,500 | 10,473,190 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 87 |
Days with moderate air quality | 253 |
Days w/ poor A.Q. for sensitive groups | 23 |
Days with unhealthy air quality | 2 |
Pollutant | Total |
Arsenic | 1.130% |
Benzene | 0.410% |
Carbon Tetrachloride | 0.030% |
Lead | 0.600% |
Mercury | 0.080% |
City | Population | Air Quality Index | National Avg. |
Coronado, CA | 24,526 | 64 | 28.0% |
Spring Valley CDP (Lake County), CA | 1,154 | 64 | 28.0% |
El Cajon, CA | 103,249 | 64 | 28.0% |
La Mesa, CA | 60,208 | 64 | 28.0% |
Winter Gardens, CA | 22,785 | 64 | 28.0% |
San Diego, CA | 1,414,545 | 64 | 28.0% |
City | Population | Air Quality Index | National Avg. |
Calgary, AB | 1,371,990 | n/a | |
Dallas, TX | 1,338,846 | 51 | 2.0% |
San Antonio, TX | 1,529,133 | 49 | 2.0% |
Philadelphia, PA | 1,581,531 | 51 | 2.0% |
Phoenix, AZ | 1,658,422 | 74 | 48.0% |
San Diego, CA | 1,414,545 | 64 | 28.0% |