Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 5°F | 29°F | 17°F | 1.0" |
February | 11°F | 33°F | 22°F | 0.9" |
March | 19°F | 42°F | 31°F | 1.7" |
April | 26°F | 51°F | 38°F | 2.1" |
May | 34°F | 62°F | 48°F | 3.1" |
June | 41°F | 73°F | 57°F | 4.0" |
July | 47°F | 84°F | 66°F | 2.0" |
August | 46°F | 82°F | 64°F | 2.9" |
September | 39°F | 73°F | 55°F | 3.3" |
October | 30°F | 56°F | 41°F | 2.6" |
November | 20°F | 42°F | 30°F | 1.5" |
December | 9°F | 30°F | 19°F | 1.1" |
Index | Irwin | Idaho | National |
Air quality index | 43 | 32 | 42 |
Pollution index | 656,117 | 2,063,710 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 326 |
Days with moderate air quality | 39 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
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. |
Alpine Northeast, WY | 42 | 43 | 14.0% |
Victor, ID | 2,317 | 43 | 14.0% |
Swan Valley, ID | 244 | 43 | 14.0% |
Irwin, ID | 220 | 43 | 14.0% |
City | Population | Air Quality Index | National Avg. |
Coffman Cove, AK | 220 | 20 | 60.0% |
Elim, AK | 220 | 38 | 24.0% |
Elbert, CO | 220 | 45 | 10.0% |
Waiohinu, HI | 220 | 16 | 68.0% |
Drakesville, IA | 220 | 29 | 42.0% |
Irwin, ID | 220 | 43 | 14.0% |