Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 41°F | 69°F | 54°F | 11.3" |
February | 41°F | 71°F | 55°F | 4.5" |
March | 41°F | 76°F | 58°F | 2.0" |
April | 44°F | 78°F | 61°F | 1.7" |
May | 48°F | 79°F | 64°F | 0.8" |
June | 54°F | 86°F | 69°F | 0.0" |
July | 59°F | 90°F | 74°F | 0.1" |
August | 58°F | 92°F | 74°F | 0.1" |
September | 53°F | 90°F | 71°F | 2.2" |
October | 49°F | 83°F | 65°F | 2.4" |
November | 42°F | 78°F | 59°F | 3.4" |
December | 39°F | 68°F | 52°F | 11.0" |
Index | Coronita | California | National |
Air quality index | 89 | 55 | 42 |
Pollution index | 22,790,900 | 10,473,190 | 2,726,193 |
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 | 0.060% |
Benzene | 0.190% |
Carbon Tetrachloride | 0.010% |
Lead | 0.220% |
Mercury | 0.230% |
City | Population | Air Quality Index | National Avg. |
Chino, CA | 89,170 | 89 | 78.0% |
Eastvale, CA | 65,766 | 89 | 78.0% |
Pomona, CA | 151,124 | 89 | 78.0% |
Irvine, CA | 272,694 | 89 | 78.0% |
Yorba Linda, CA | 68,103 | 89 | 78.0% |
Coronita, CA | 3,968 | 89 | 78.0% |
City | Population | Air Quality Index | National Avg. |
Fulton, MS | 3,968 | 39 | 22.0% |
Elkin, NC | 3,968 | 45 | 10.0% |
Asphodel-Norwood, ON | 3,968 | n/a | |
Richwood, NJ | 3,967 | 40 | 20.0% |
Midway North, TX | 3,967 | 42 | 16.0% |
Coronita, CA | 3,968 | 89 | 78.0% |