Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 6°F | 24°F | 15°F | 1.2" |
February | 10°F | 30°F | 20°F | 0.6" |
March | 24°F | 44°F | 34°F | 1.9" |
April | 35°F | 56°F | 44°F | 3.4" |
May | 45°F | 70°F | 57°F | 4.9" |
June | 54°F | 77°F | 65°F | 9.5" |
July | 62°F | 84°F | 73°F | 7.0" |
August | 58°F | 81°F | 69°F | 12.0" |
September | 45°F | 69°F | 56°F | 6.2" |
October | 37°F | 59°F | 47°F | 13.6" |
November | 27°F | 44°F | 35°F | 2.2" |
December | 12°F | 28°F | 20°F | 3.2" |
Index | Isle | Minnesota | National |
Air quality index | 29 | 35 | 42 |
Pollution index | 1,078,800 | 1,854,519 | 2,726,193 |
Measurement | Total |
Days measured | 359 |
Days with good air quality | 328 |
Days with moderate air quality | 29 |
Days w/ poor A.Q. for sensitive groups | 2 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.002% |
Lead | 0.010% |
Mercury | 0.001% |
City | Population | Air Quality Index | National Avg. |
Onamia, MN | 929 | 29 | 42.0% |
Wahkon, MN | 284 | 29 | 42.0% |
McGrath, MN | 32 | 29 | 42.0% |
Isle, MN | 698 | 29 | 42.0% |
City | Population | Air Quality Index | National Avg. |
Sanders, AZ | 698 | 17 | 66.0% |
Antwerp, NY | 698 | 35 | 30.0% |
Brent, OK | 698 | 36 | 28.0% |
Englewood, PA | 698 | 42 | 16.0% |
Coleman, WI | 698 | 36 | 28.0% |
Isle, MN | 698 | 29 | 42.0% |