Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 20°F | 34°F | 27°F | 1.7" |
February | 20°F | 35°F | 27°F | 1.6" |
March | 29°F | 47°F | 37°F | 2.3" |
April | 39°F | 61°F | 49°F | 3.0" |
May | 50°F | 72°F | 61°F | 3.7" |
June | 61°F | 81°F | 71°F | 3.2" |
July | 65°F | 85°F | 75°F | 3.8" |
August | 64°F | 83°F | 73°F | 4.4" |
September | 57°F | 76°F | 66°F | 3.5" |
October | 46°F | 63°F | 54°F | 1.9" |
November | 34°F | 51°F | 42°F | 2.3" |
December | 26°F | 38°F | 32°F | 2.1" |
Index | Southfield | Michigan | National |
Air quality index | 56 | 69 | 42 |
Pollution index | 180,667 | 4,161,606 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 135 |
Days with moderate air quality | 217 |
Days w/ poor A.Q. for sensitive groups | 13 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.002% |
Carbon Tetrachloride | 0.001% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Plymouth, MI | 9,168 | 40 | 20.0% |
Wixom, MI | 13,970 | 40 | 20.0% |
Northville, MI | 5,968 | 40 | 20.0% |
Novi, MI | 60,439 | 40 | 20.0% |
Dearborn, MI | 94,328 | 56 | 12.0% |
Southfield, MI | 72,966 | 56 | 12.0% |
City | Population | Air Quality Index | National Avg. |
Framingham, MA | 72,846 | 40 | 20.0% |
St. Albert, AB | 73,103 | n/a | |
Turlock, CA | 72,715 | 49 | 2.0% |
Ellicott City, MD | 73,272 | 46 | 8.0% |
Albany, GA | 72,634 | 40 | 20.0% |
Southfield, MI | 72,966 | 56 | 12.0% |