Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 36°F | 60°F | 46°F | 6.0" |
February | 39°F | 64°F | 50°F | 5.7" |
March | 41°F | 67°F | 52°F | 4.6" |
April | 43°F | 71°F | 55°F | 2.4" |
May | 46°F | 77°F | 60°F | 1.1" |
June | 50°F | 83°F | 64°F | 0.4" |
July | 52°F | 85°F | 65°F | 0.0" |
August | 52°F | 84°F | 64°F | 0.0" |
September | 49°F | 85°F | 64°F | 0.2" |
October | 46°F | 78°F | 59°F | 2.0" |
November | 41°F | 67°F | 52°F | 3.2" |
December | 36°F | 59°F | 46°F | 6.9" |
Index | Valley Ford | California | National |
Air quality index | 34 | 55 | 42 |
Pollution index | 7,898,290 | 10,473,190 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 346 |
Days with moderate air quality | 18 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 1 |
Pollutant | Total |
Arsenic | 0.260% |
Benzene | 0.080% |
Carbon Tetrachloride | 0.005% |
Lead | 0.240% |
Mercury | 0.270% |
City | Population | Air Quality Index | National Avg. |
Salmon Creek, CA | 20 | 34 | 32.0% |
Windsor, CA | 27,635 | 34 | 32.0% |
Penngrove, CA | 2,368 | 34 | 32.0% |
Bloomfield, CA | 243 | 34 | 32.0% |
Cazadero, CA | 340 | 34 | 32.0% |
Valley Ford, CA | 0 | 34 | 32.0% |
City | Population | Air Quality Index | National Avg. |
Chase, AK | 0 | 31 | 38.0% |
Chiniak, AK | 0 | 31 | 38.0% |
Chisana, AK | 0 | 31 | 38.0% |
Dot Lake, AK | 0 | 38 | 24.0% |
Eureka Roadhouse, AK | 0 | 31 | 38.0% |
Valley Ford, CA | 0 | 34 | 32.0% |