| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 48°F | 68°F | 58°F | 2.7" |
| February | 49°F | 68°F | 58°F | 2.1" |
| March | 52°F | 68°F | 59°F | 1.2" |
| April | 54°F | 70°F | 61°F | 0.6" |
| May | 57°F | 70°F | 63°F | 0.3" |
| June | 61°F | 72°F | 65°F | 0.0" |
| July | 64°F | 76°F | 69°F | 0.1" |
| August | 64°F | 76°F | 69°F | 0.0" |
| September | 63°F | 77°F | 69°F | 0.2" |
| October | 60°F | 77°F | 67°F | 0.6" |
| November | 54°F | 73°F | 62°F | 0.7" |
| December | 48°F | 68°F | 57°F | 2.4" |
| Index | Ladera Heights | California | National |
| Air quality index | 72 | 55 | 50 |
| Pollution index | 139,490,000 | 18,106,726 | 5,066,862 |
| 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 | 0.200% |
| Benzene | 0.950% |
| Carbon Tetrachloride | 0.080% |
| Lead | 1.320% |
| Mercury | 0.440% |
| City, State | Population | Air Quality Index | National Avg. |
| Commerce, CA | 12,997 | 72 | 44% |
| East Los Angeles, CA | 124,191 | 72 | 44% |
| Bell, CA | 35,927 | 72 | 44% |
| East Rancho Dominguez, CA | 15,887 | 72 | 44% |
| Maywood, CA | 27,672 | 72 | 44% |
| Ladera Heights, CA | 7,195 | 72 | 44% |
| City, State | Population | Air Quality Index | National Avg. |
| Clinton, IL | 7,195 | 44 | 12% |
| University Park, IL | 7,196 | 55 | 10% |
| Lihue, HI | 7,196 | 13 | 74% |
| Altoona, WI | 7,193 | 34 | 32% |
| Grandview Heights, OH | 7,191 | 46 | 8% |
| Ladera Heights, CA | 7,195 | 72 | 44% |
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