Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 48°F | 69°F | 57°F | 2.3" |
February | 49°F | 69°F | 58°F | 1.9" |
March | 52°F | 70°F | 60°F | 0.9" |
April | 54°F | 72°F | 62°F | 0.6" |
May | 59°F | 73°F | 65°F | 0.3" |
June | 62°F | 76°F | 67°F | 0.0" |
July | 66°F | 80°F | 71°F | 0.1" |
August | 66°F | 82°F | 72°F | 0.0" |
September | 65°F | 82°F | 72°F | 0.2" |
October | 60°F | 79°F | 68°F | 0.5" |
November | 54°F | 75°F | 63°F | 0.7" |
December | 48°F | 68°F | 57°F | 2.4" |
Index | Quail Hill | Irvine | California |
Air quality index | 89 | 89 | 55 |
Pollution index | 44,192,600 | 44,192,600 | 10,473,190 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 42 |
Days with moderate air quality | 178 |
Days w/ poor A.Q. for sensitive groups | 79 |
Days with unhealthy air quality | 58 |
Pollutant | Total |
Arsenic | 0.030% |
Benzene | 0.280% |
Carbon Tetrachloride | 0.001% |
Lead | 0.220% |
Mercury | 0.140% |
City | Population | Air Quality Index | National Avg. |
Midway City, CA | 8,681 | 72 | 44.0% |
Stanton, CA | 38,317 | 72 | 44.0% |
Fountain Valley, CA | 56,118 | 72 | 44.0% |
Westminster, CA | 90,857 | 72 | 44.0% |
Garden Grove, CA | 172,800 | 72 | 44.0% |
Irvine, CA | 272,694 | 89 | 78.0% |
City | Population | Air Quality Index | National Avg. |
Toledo, OH | 275,116 | 40 | 20.0% |
Durham, NC | 276,341 | 44 | 12.0% |
Chula Vista, CA | 268,779 | 64 | 28.0% |
Fort Wayne, IN | 268,378 | 45 | 10.0% |
Saskatoon, SK | 281,340 | n/a | |
Irvine, CA | 272,694 | 89 | 78.0% |