Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 17°F | 33°F | 25°F | 2.2" |
February | 17°F | 34°F | 25°F | 1.8" |
March | 27°F | 47°F | 36°F | 2.2" |
April | 37°F | 61°F | 48°F | 3.3" |
May | 47°F | 72°F | 59°F | 3.8" |
June | 57°F | 80°F | 69°F | 4.0" |
July | 60°F | 83°F | 72°F | 3.7" |
August | 59°F | 81°F | 70°F | 4.2" |
September | 52°F | 75°F | 63°F | 3.0" |
October | 42°F | 63°F | 52°F | 3.1" |
November | 32°F | 50°F | 40°F | 2.3" |
December | 23°F | 37°F | 30°F | 2.0" |
Index | Grass Lake | Michigan | National |
Air quality index | 40 | 69 | 42 |
Pollution index | 8,357,230 | 4,161,606 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 292 |
Days with moderate air quality | 73 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.070% |
Benzene | 0.070% |
Carbon Tetrachloride | 0.020% |
Lead | 0.090% |
Mercury | 0.120% |
City | Population | Air Quality Index | National Avg. |
Leslie, MI | 2,178 | 36 | 28.0% |
Jackson, MI | 32,251 | 39 | 22.0% |
Vandercook Lake, MI | 4,702 | 39 | 22.0% |
Brooklyn, MI | 1,088 | 39 | 22.0% |
Manchester, MI | 2,170 | 39 | 22.0% |
Grass Lake, MI | 1,331 | 40 | 20.0% |
City | Population | Air Quality Index | National Avg. |
Dryden, MI | 1,331 | 38 | 24.0% |
Chocowinity, NC | 1,331 | 0 | 100.0% |
Navesink, NJ | 1,331 | 51 | 2.0% |
Point Marion, PA | 1,331 | 36 | 28.0% |
Rollingwood, TX | 1,331 | 44 | 12.0% |
Grass Lake, MI | 1,331 | 40 | 20.0% |