| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 47°F | 66°F | 56°F | 16.6" |
| February | 50°F | 67°F | 57°F | 13.7" |
| March | 52°F | 67°F | 59°F | 4.3" |
| April | 52°F | 67°F | 59°F | 3.4" |
| May | 57°F | 71°F | 63°F | 1.4" |
| June | 59°F | 71°F | 65°F | 0.0" |
| July | 63°F | 75°F | 68°F | 0.0" |
| August | 63°F | 76°F | 69°F | 0.0" |
| September | 59°F | 75°F | 66°F | 3.4" |
| October | 56°F | 74°F | 64°F | 2.9" |
| November | 53°F | 71°F | 61°F | 1.2" |
| December | 48°F | 66°F | 56°F | 2.7" |
| Index | Westside | California | National |
| Air quality index | 72 | 55 | 42 |
| Pollution index | 4,251,410 | 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 | 0.010% |
| Benzene | 0.100% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Florence-Graham, CA | 64,787 | 72 | 44.0% |
| Los Angeles, CA | 3,973,278 | 72 | 44.0% |
| Willowbrook, CA | 24,401 | 72 | 44.0% |
| Lynwood, CA | 69,625 | 72 | 44.0% |
| Bell Canyon, CA | 1,991 | 72 | 44.0% |
| Westside, CA | 213 | 72 | 44.0% |
| City | Population | Air Quality Index | National Avg. |
| Nanwalek, AK | 213 | 31 | 38.0% |
| Sweet Water, AL | 213 | 36 | 28.0% |
| Ruth, CA | 213 | 42 | 16.0% |
| Rye, CO | 213 | 20 | 60.0% |
| Sunny Side, GA | 213 | 52 | 4.0% |
| Westside, CA | 213 | 72 | 44.0% |
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