Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 38°F | 58°F | 47°F | 3.5" |
February | 42°F | 62°F | 51°F | 3.9" |
March | 45°F | 67°F | 56°F | 3.7" |
April | 48°F | 74°F | 60°F | 2.1" |
May | 55°F | 84°F | 69°F | 0.7" |
June | 61°F | 92°F | 76°F | 0.3" |
July | 65°F | 98°F | 81°F | 0.0" |
August | 63°F | 95°F | 79°F | 0.0" |
September | 59°F | 90°F | 74°F | 0.2" |
October | 51°F | 79°F | 64°F | 1.2" |
November | 44°F | 65°F | 54°F | 2.6" |
December | 38°F | 57°F | 47°F | 4.1" |
Index | Quincy | California | National |
Air quality index | 46 | 55 | 50 |
Pollution index | 1,799,830 | 18,106,726 | 5,066,862 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 224 |
Days with moderate air quality | 136 |
Days w/ poor A.Q. for sensitive groups | 3 |
Days with unhealthy air quality | 2 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.000% |
Lead | 0.010% |
Mercury | 0.004% |
City, State | Population | Air Quality Index | National Avg. |
Cromberg, CA | 116 | 44 | 12% |
Greenhorn, CA | 199 | 44 | 12% |
Johnsville, CA | 0 | 44 | 12% |
Spring Garden, CA | 17 | 44 | 12% |
Indian Falls, CA | 100 | 46 | 8% |
Quincy, CA | 1,582 | 46 | 8% |
City, State | Population | Air Quality Index | National Avg. |
Searles Valley, CA | 1,582 | 15 | 70% |
Babbitt, MN | 1,582 | 35 | 30% |
Leona Valley, CA | 1,582 | 72 | 44% |
Gorham, NH | 1,582 | 40 | 20% |
White Island Shores, MA | 1,582 | 36 | 28% |
Quincy, CA | 1,582 | 46 | 8% |