Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 48°F | 70°F | 58°F | 3.5" |
February | 50°F | 70°F | 59°F | 2.9" |
March | 52°F | 72°F | 61°F | 1.5" |
April | 55°F | 74°F | 63°F | 0.7" |
May | 58°F | 75°F | 65°F | 0.5" |
June | 61°F | 78°F | 68°F | 0.0" |
July | 65°F | 83°F | 72°F | 0.0" |
August | 65°F | 84°F | 73°F | 0.0" |
September | 64°F | 85°F | 72°F | 0.3" |
October | 60°F | 81°F | 69°F | 0.7" |
November | 54°F | 75°F | 63°F | 0.8" |
December | 48°F | 69°F | 57°F | 2.8" |
Index | Montebello | 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. |
Fullerton, CA | 139,491 | 72 | 44% |
Lakewood, CA | 81,054 | 72 | 44% |
Norwalk, CA | 106,360 | 72 | 44% |
Stanton, CA | 38,594 | 72 | 44% |
Buena Park, CA | 82,771 | 72 | 44% |
Montebello, CA | 63,416 | 72 | 44% |
City, State | Population | Air Quality Index | National Avg. |
Madera, CA | 63,398 | 50 | = 100 |
Florence-Graham, CA | 63,390 | 72 | 44% |
Santa Cruz, CA | 63,310 | 35 | 30% |
Cedar Park, TX | 63,551 | 44 | 12% |
Eden Prairie, MN | 63,206 | 46 | 8% |
Montebello, CA | 63,416 | 72 | 44% |