Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 9°F | 25°F | 17°F | 1.4" |
February | 11°F | 28°F | 19°F | 2.3" |
March | 26°F | 43°F | 33°F | 3.6" |
April | 38°F | 59°F | 47°F | 5.8" |
May | 49°F | 72°F | 59°F | 5.8" |
June | 60°F | 80°F | 69°F | 7.3" |
July | 63°F | 83°F | 73°F | 7.5" |
August | 60°F | 80°F | 69°F | 7.2" |
September | 52°F | 75°F | 62°F | 5.8" |
October | 40°F | 60°F | 49°F | 6.8" |
November | 27°F | 46°F | 35°F | 2.4" |
December | 13°F | 29°F | 21°F | 2.9" |
Index | Swea City | Iowa | National |
Air quality index | 15 | 39 | 42 |
Pollution index | 10,070,000 | 1,154,535 | 2,726,193 |
Measurement | Total |
Days measured | 118 |
Days with good air quality | 118 |
Days with moderate air quality | 0 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.020% |
Benzene | 0.120% |
Carbon Tetrachloride | 0.001% |
Lead | 0.150% |
Mercury | 0.270% |
City | Population | Air Quality Index | National Avg. |
Lakota, IA | 400 | 15 | 70.0% |
Fenton, IA | 232 | 15 | 70.0% |
Ledyard, IA | 83 | 15 | 70.0% |
Lone Rock, IA | 179 | 15 | 70.0% |
Armstrong, IA | 846 | 15 | 70.0% |
Swea City, IA | 639 | 15 | 70.0% |
City | Population | Air Quality Index | National Avg. |
Norfolk, CT | 639 | 37 | 26.0% |
Apple Canyon Lake, IL | 639 | 29 | 42.0% |
New Market, IN | 639 | 42 | 16.0% |
Sicily Island, LA | 639 | 34 | 32.0% |
Battle Lake, MN | 639 | 33 | 34.0% |
Swea City, IA | 639 | 15 | 70.0% |