Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 13°F | 30°F | 21°F | 0.8" |
February | 15°F | 33°F | 23°F | 2.0" |
March | 29°F | 48°F | 38°F | 3.9" |
April | 40°F | 62°F | 50°F | 4.8" |
May | 50°F | 74°F | 61°F | 6.0" |
June | 61°F | 83°F | 71°F | 8.3" |
July | 64°F | 85°F | 74°F | 7.5" |
August | 61°F | 82°F | 71°F | 5.6" |
September | 53°F | 77°F | 64°F | 4.9" |
October | 42°F | 64°F | 52°F | 7.5" |
November | 31°F | 49°F | 39°F | 5.2" |
December | 19°F | 34°F | 26°F | 4.0" |
Index | Center Point | Iowa | National |
Air quality index | 39 | 39 | 42 |
Pollution index | 5,075,380 | 1,154,535 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 287 |
Days with moderate air quality | 78 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.070% |
Benzene | 0.050% |
Carbon Tetrachloride | 2.000% |
Lead | 0.040% |
Mercury | 0.100% |
City | Population | Air Quality Index | National Avg. |
Hiawatha, IA | 7,395 | 39 | 22.0% |
Palo, IA | 1,003 | 39 | 22.0% |
Shellsburg, IA | 806 | 39 | 22.0% |
Newhall, IA | 1,096 | 39 | 22.0% |
Central City, IA | 1,207 | 39 | 22.0% |
Center Point, IA | 2,548 | 39 | 22.0% |
City | Population | Air Quality Index | National Avg. |
Vassar, MI | 2,549 | 26 | 48.0% |
Chamberlain, SD | 2,549 | 20 | 60.0% |
Agua Dulce, TX | 2,549 | 53 | 6.0% |
Esterhazy, SK | 2,549 | n/a | |
Townsend, DE | 2,546 | 42 | 16.0% |
Center Point, IA | 2,548 | 39 | 22.0% |