Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 20°F | 34°F | 26°F | 2.0" |
February | 28°F | 48°F | 37°F | 1.2" |
March | 36°F | 58°F | 45°F | 7.3" |
April | 45°F | 66°F | 54°F | 7.1" |
May | 53°F | 75°F | 63°F | 8.1" |
June | 65°F | 87°F | 76°F | 8.2" |
July | 67°F | 87°F | 76°F | 6.8" |
August | 63°F | 83°F | 72°F | 7.2" |
September | 60°F | 82°F | 70°F | 7.1" |
October | 46°F | 69°F | 57°F | 6.0" |
November | 35°F | 56°F | 45°F | 2.4" |
December | 23°F | 40°F | 30°F | 6.3" |
Index | Malvern | Iowa | National |
Air quality index | 40 | 39 | 42 |
Pollution index | 4,349,930 | 1,154,535 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 283 |
Days with moderate air quality | 82 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.210% |
Benzene | 0.040% |
Carbon Tetrachloride | 0.004% |
Lead | 0.100% |
Mercury | 0.160% |
City | Population | Air Quality Index | National Avg. |
Imogene, IA | 33 | 40 | 20.0% |
Emerson, IA | 462 | 40 | 20.0% |
Silver City, IA | 320 | 40 | 20.0% |
Anderson, IA | 45 | 40 | 20.0% |
Randolph, IA | 263 | 40 | 20.0% |
Malvern, IA | 1,153 | 40 | 20.0% |
City | Population | Air Quality Index | National Avg. |
Woodbury Center, CT | 1,153 | 37 | 26.0% |
Weeki Wachee Gardens, FL | 1,153 | 30 | 40.0% |
Assumption, IL | 1,153 | 44 | 12.0% |
Trappe, MD | 1,153 | 41 | 18.0% |
Concord, MI | 1,153 | 39 | 22.0% |
Malvern, IA | 1,153 | 40 | 20.0% |