Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 12°F | 30°F | 21°F | 3.3" |
February | 12°F | 33°F | 22°F | 2.4" |
March | 19°F | 39°F | 29°F | 4.1" |
April | 25°F | 48°F | 35°F | 3.1" |
May | 33°F | 60°F | 46°F | 3.3" |
June | 40°F | 69°F | 54°F | 4.5" |
July | 46°F | 83°F | 65°F | 1.1" |
August | 43°F | 81°F | 62°F | 1.5" |
September | 36°F | 72°F | 53°F | 2.5" |
October | 29°F | 55°F | 40°F | 3.7" |
November | 21°F | 40°F | 30°F | 3.9" |
December | 13°F | 29°F | 21°F | 4.6" |
Index | Smiths Ferry | Idaho | National |
Air quality index | 36 | 32 | 42 |
Pollution index | 1,490,030 | 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 | 0.001% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.000% |
Lead | 0.020% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Crouch, ID | 145 | 36 | 28.0% |
Garden Valley, ID | 475 | 36 | 28.0% |
Cascade, ID | 899 | 36 | 28.0% |
Smiths Ferry, ID | 108 | 36 | 28.0% |
City | Population | Air Quality Index | National Avg. |
Arlington, AZ | 108 | 74 | 48.0% |
Calvary, GA | 108 | 40 | 20.0% |
New Liberty, IA | 108 | 46 | 8.0% |
Shannon City, IA | 108 | 39 | 22.0% |
Coolidge, KS | 108 | 15 | 70.0% |
Smiths Ferry, ID | 108 | 36 | 28.0% |