Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 48°F | 64°F | 55°F | 2.8" |
February | 49°F | 64°F | 56°F | 3.8" |
March | 51°F | 65°F | 58°F | 0.1" |
April | 53°F | 66°F | 59°F | 0.0" |
May | 57°F | 67°F | 62°F | 1.5" |
June | 60°F | 68°F | 63°F | 0.0" |
July | 63°F | 72°F | 67°F | 0.0" |
August | 64°F | 73°F | 68°F | 0.0" |
September | 63°F | 74°F | 68°F | 0.3" |
October | 58°F | 72°F | 64°F | 0.0" |
November | 53°F | 69°F | 60°F | 0.1" |
December | 48°F | 64°F | 55°F | 1.5" |
Index | Bonita Long Canyon | Chula Vista | 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. |
Jamul, CA | 5,776 | 64 | 28.0% |
San Diego, CA | 1,414,545 | 64 | 28.0% |
Bostonia, CA | 17,532 | 64 | 28.0% |
Granite Hills, CA | 4,020 | 64 | 28.0% |
Rancho San Diego, CA | 21,476 | 64 | 28.0% |
Chula Vista, CA | 268,779 | 64 | 28.0% |
City | Population | Air Quality Index | National Avg. |
Fort Wayne, IN | 268,378 | 45 | 10.0% |
Irvine, CA | 272,694 | 89 | 78.0% |
St. Petersburg, FL | 264,001 | 43 | 14.0% |
Jersey City, NJ | 262,652 | 51 | 2.0% |
Toledo, OH | 275,116 | 40 | 20.0% |
Chula Vista, CA | 268,779 | 64 | 28.0% |