Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 38°F | 58°F | 47°F | 3.3" |
February | 41°F | 63°F | 51°F | 3.1" |
March | 44°F | 68°F | 55°F | 2.9" |
April | 47°F | 74°F | 59°F | 1.8" |
May | 52°F | 82°F | 65°F | 0.5" |
June | 57°F | 90°F | 71°F | 0.3" |
July | 59°F | 95°F | 74°F | 0.0" |
August | 58°F | 93°F | 73°F | 0.0" |
September | 56°F | 90°F | 70°F | 0.1" |
October | 50°F | 79°F | 63°F | 1.2" |
November | 43°F | 66°F | 53°F | 1.6" |
December | 38°F | 57°F | 47°F | 3.8" |
Index | Folsom | California | National |
Air quality index | 52 | 55 | 42 |
Pollution index | 4,289,310 | 10,473,190 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 171 |
Days with moderate air quality | 173 |
Days w/ poor A.Q. for sensitive groups | 21 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.050% |
Benzene | 0.070% |
Carbon Tetrachloride | 0.001% |
Lead | 0.060% |
Mercury | 0.010% |
City | Population | Air Quality Index | National Avg. |
Carmichael, CA | 75,642 | 52 | 4.0% |
Gold River, CA | 7,930 | 52 | 4.0% |
North Highlands, CA | 48,660 | 52 | 4.0% |
Rancho Murieta, CA | 5,682 | 52 | 4.0% |
Loomis, CA | 6,802 | 52 | 4.0% |
Folsom, CA | 79,584 | 52 | 4.0% |
City | Population | Air Quality Index | National Avg. |
Lakewood, CA | 79,676 | 72 | 44.0% |
Saint-Jérôme, QC | 79,702 | n/a | |
New Rochelle, NY | 79,367 | 51 | 2.0% |
Alameda, CA | 79,827 | 40 | 20.0% |
Pleasanton, CA | 79,975 | 43 | 14.0% |
Folsom, CA | 79,584 | 52 | 4.0% |