Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 16°F | 33°F | 24°F | 0.5" |
February | 18°F | 36°F | 26°F | 1.3" |
March | 31°F | 52°F | 40°F | 7.8" |
April | 41°F | 65°F | 52°F | 9.4" |
May | 52°F | 74°F | 62°F | 8.4" |
June | 62°F | 84°F | 72°F | 5.7" |
July | 65°F | 87°F | 76°F | 6.6" |
August | 63°F | 84°F | 73°F | 4.1" |
September | 55°F | 79°F | 66°F | 7.3" |
October | 43°F | 66°F | 54°F | 4.3" |
November | 32°F | 52°F | 41°F | 2.7" |
December | 20°F | 37°F | 28°F | 3.3" |
Index | Leighton | Iowa | National |
Air quality index | 39 | 39 | 42 |
Pollution index | 1,478,700 | 1,154,535 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 306 |
Days with moderate air quality | 59 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.002% |
Lead | 0.010% |
Mercury | 0.010% |
City | Population | Air Quality Index | National Avg. |
Keomah Village, IA | 114 | 35 | 30.0% |
Kirkville, IA | 251 | 35 | 30.0% |
Marysville, IA | 50 | 39 | 22.0% |
Pella, IA | 10,279 | 39 | 22.0% |
Harvey, IA | 176 | 39 | 22.0% |
Leighton, IA | 196 | 39 | 22.0% |
City | Population | Air Quality Index | National Avg. |
Stevinson, CA | 196 | 48 | 4.0% |
Trowbridge, CA | 196 | 44 | 12.0% |
Yolo, CA | 196 | 52 | 4.0% |
Du Pont, GA | 196 | 35 | 30.0% |
Vernon, IN | 196 | 35 | 30.0% |
Leighton, IA | 196 | 39 | 22.0% |