Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 23°F | 39°F | 30°F | 1.3" |
February | 28°F | 48°F | 37°F | 0.9" |
March | 34°F | 58°F | 45°F | 1.5" |
April | 37°F | 65°F | 51°F | 1.2" |
May | 45°F | 75°F | 60°F | 1.2" |
June | 53°F | 85°F | 69°F | 0.8" |
July | 62°F | 97°F | 79°F | 0.2" |
August | 60°F | 93°F | 77°F | 0.3" |
September | 52°F | 83°F | 67°F | 0.5" |
October | 41°F | 68°F | 53°F | 1.0" |
November | 32°F | 52°F | 41°F | 1.3" |
December | 23°F | 39°F | 31°F | 1.9" |
Index | Idaho City | Idaho | National |
Air quality index | 36 | 32 | 42 |
Pollution index | 886,004 | 2,063,710 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 293 |
Days with moderate air quality | 60 |
Days w/ poor A.Q. for sensitive groups | 9 |
Days with unhealthy air quality | 3 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.000% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Placerville, ID | 55 | 36 | 28.0% |
Robie Creek, ID | 1,380 | 36 | 28.0% |
Idaho City, ID | 706 | 36 | 28.0% |
City | Population | Air Quality Index | National Avg. |
Sawmill, AZ | 706 | 17 | 66.0% |
Franklin, ID | 706 | 44 | 12.0% |
Bakersville, NC | 706 | 26 | 48.0% |
Peconic, NY | 706 | 41 | 18.0% |
Timberlake, OH | 706 | 50 | = 100 |
Idaho City, ID | 706 | 36 | 28.0% |