Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 20°F | 33°F | 27°F | 1.2" |
February | 22°F | 34°F | 28°F | 1.3" |
March | 30°F | 48°F | 38°F | 5.9" |
April | 38°F | 58°F | 47°F | 5.4" |
May | 52°F | 72°F | 61°F | 4.9" |
June | 59°F | 80°F | 69°F | 6.0" |
July | 65°F | 87°F | 76°F | 6.0" |
August | 61°F | 82°F | 71°F | 7.8" |
September | 52°F | 72°F | 61°F | 6.1" |
October | 42°F | 63°F | 51°F | 3.5" |
November | 33°F | 50°F | 41°F | 4.7" |
December | 26°F | 36°F | 31°F | 2.5" |
Index | Westphalia | Michigan | National |
Air quality index | 36 | 69 | 42 |
Pollution index | 1,401,450 | 4,161,606 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 330 |
Days with moderate air quality | 35 |
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. |
St. Johns, MI | 7,920 | 36 | 28.0% |
Lansing, MI | 117,488 | 36 | 28.0% |
Waverly, MI | 24,050 | 36 | 28.0% |
Muir, MI | 708 | 36 | 28.0% |
Hubbardston, MI | 345 | 36 | 28.0% |
Westphalia, MI | 808 | 36 | 28.0% |
City | Population | Air Quality Index | National Avg. |
Hamel, IL | 808 | 54 | 8.0% |
McLean, IL | 808 | 44 | 12.0% |
Wheelwright, KY | 808 | 45 | 10.0% |
Pleasant Hill, NC | 808 | 45 | 10.0% |
Bentleyville, OH | 808 | 50 | = 100 |
Westphalia, MI | 808 | 36 | 28.0% |