Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 40°F | 63°F | 50°F | 3.5" |
February | 42°F | 64°F | 52°F | 2.9" |
March | 44°F | 65°F | 53°F | 3.5" |
April | 45°F | 68°F | 55°F | 1.6" |
May | 48°F | 70°F | 57°F | 0.3" |
June | 51°F | 73°F | 60°F | 0.2" |
July | 54°F | 73°F | 61°F | 0.0" |
August | 54°F | 73°F | 62°F | 0.0" |
September | 53°F | 76°F | 62°F | 0.1" |
October | 50°F | 75°F | 60°F | 0.9" |
November | 44°F | 68°F | 54°F | 1.7" |
December | 39°F | 62°F | 49°F | 3.6" |
Index | Seacliff | California | National |
Air quality index | 35 | 55 | 42 |
Pollution index | 5,429,550 | 10,473,190 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 347 |
Days with moderate air quality | 18 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.020% |
Benzene | 0.080% |
Carbon Tetrachloride | 0.000% |
Lead | 0.050% |
Mercury | 0.150% |
City | Population | Air Quality Index | National Avg. |
Boulder Creek, CA | 5,305 | 35 | 30.0% |
Zayante, CA | 765 | 35 | 30.0% |
Bonny Doon, CA | 2,962 | 35 | 30.0% |
Freedom, CA | 3,959 | 35 | 30.0% |
Mount Hermon, CA | 1,394 | 35 | 30.0% |
Seacliff, CA | 3,580 | 35 | 30.0% |
City | Population | Air Quality Index | National Avg. |
Piggott, AR | 3,579 | 26 | 48.0% |
Centre, AL | 3,581 | 39 | 22.0% |
Balmville, NY | 3,581 | 36 | 28.0% |
Greenhills, OH | 3,581 | 54 | 8.0% |
Grasonville, MD | 3,578 | 41 | 18.0% |
Seacliff, CA | 3,580 | 35 | 30.0% |