Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 18°F | 33°F | 25°F | 2.5" |
February | 17°F | 34°F | 26°F | 2.0" |
March | 25°F | 47°F | 36°F | 2.5" |
April | 36°F | 62°F | 48°F | 4.5" |
May | 47°F | 73°F | 60°F | 3.3" |
June | 57°F | 82°F | 70°F | 4.8" |
July | 61°F | 85°F | 73°F | 4.3" |
August | 60°F | 83°F | 71°F | 3.8" |
September | 52°F | 77°F | 64°F | 3.2" |
October | 42°F | 64°F | 52°F | 4.9" |
November | 32°F | 51°F | 41°F | 2.7" |
December | 24°F | 38°F | 30°F | 2.5" |
Index | Sparta | Michigan | National |
Air quality index | 38 | 69 | 42 |
Pollution index | 1,401,450 | 4,161,606 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 298 |
Days with moderate air quality | 67 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.002% |
Lead | 0.005% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Coopersville, MI | 4,388 | 38 | 24.0% |
Northview, MI | 15,209 | 38 | 24.0% |
Grant, MI | 1,110 | 38 | 24.0% |
Rockford, MI | 6,310 | 38 | 24.0% |
East Grand Rapids, MI | 11,855 | 38 | 24.0% |
Sparta, MI | 4,390 | 38 | 24.0% |
City | Population | Air Quality Index | National Avg. |
Rosedale, WA | 4,389 | 18 | 64.0% |
Carolina Shores, NC | 4,391 | 34 | 32.0% |
Coopersville, MI | 4,388 | 38 | 24.0% |
Longview Heights, WA | 4,388 | 18 | 64.0% |
Senoia, GA | 4,386 | 52 | 4.0% |
Sparta, MI | 4,390 | 38 | 24.0% |