Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 15°F | 30°F | 22°F | 0.7" |
February | 14°F | 30°F | 22°F | 1.8" |
March | 22°F | 40°F | 31°F | 1.9" |
April | 33°F | 53°F | 42°F | 2.8" |
May | 43°F | 66°F | 54°F | 1.7" |
June | 54°F | 76°F | 64°F | 3.1" |
July | 59°F | 81°F | 69°F | 4.0" |
August | 58°F | 79°F | 68°F | 8.2" |
September | 51°F | 72°F | 61°F | 3.8" |
October | 41°F | 59°F | 49°F | 4.7" |
November | 30°F | 46°F | 38°F | 2.7" |
December | 21°F | 34°F | 28°F | 2.2" |
Index | Au Sable | Michigan | National |
Air quality index | 26 | 69 | 42 |
Pollution index | 2,801,040 | 4,161,606 | 2,726,193 |
Measurement | Total |
Days measured | 316 |
Days with good air quality | 288 |
Days with moderate air quality | 28 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.050% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.002% |
Lead | 0.030% |
Mercury | 0.220% |
City | Population | Air Quality Index | National Avg. |
Tawas City, MI | 1,824 | 26 | 48.0% |
East Tawas, MI | 2,729 | 26 | 48.0% |
Au Sable, MI | 1,619 | 26 | 48.0% |
City | Population | Air Quality Index | National Avg. |
Port Barre, LA | 1,619 | 41 | 18.0% |
Richford, VT | 1,619 | 37 | 26.0% |
Saint-Antoine-de-Tilly, QC | 1,619 | n/a | |
Saint-Joseph-de-Sorel, QC | 1,619 | n/a | |
Crossville, AL | 1,620 | 43 | 14.0% |
Au Sable, MI | 1,619 | 26 | 48.0% |