Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 16°F | 32°F | 24°F | 1.4" |
February | 17°F | 33°F | 25°F | 1.5" |
March | 28°F | 45°F | 36°F | 2.6" |
April | 37°F | 57°F | 46°F | 4.1" |
May | 47°F | 68°F | 57°F | 3.7" |
June | 57°F | 77°F | 67°F | 4.5" |
July | 63°F | 82°F | 72°F | 4.4" |
August | 62°F | 80°F | 71°F | 3.7" |
September | 55°F | 73°F | 64°F | 3.3" |
October | 44°F | 62°F | 52°F | 3.4" |
November | 33°F | 49°F | 40°F | 2.0" |
December | 22°F | 36°F | 29°F | 2.5" |
Index | Round Lake Heights | Illinois | National |
Air quality index | 39 | 41 | 42 |
Pollution index | 543,516 | 3,148,694 | 2,726,193 |
Measurement | Total |
Days measured | 203 |
Days with good air quality | 174 |
Days with moderate air quality | 28 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.004% |
Carbon Tetrachloride | 0.000% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Greenwood, IL | 352 | 37 | 26.0% |
Lake Ivanhoe, WI | 398 | 37 | 26.0% |
Bloomfield, WI | 4,725 | 37 | 26.0% |
Wadsworth, IL | 3,515 | 39 | 22.0% |
Volo, IL | 5,498 | 39 | 22.0% |
Round Lake Heights, IL | 3,009 | 39 | 22.0% |
City | Population | Air Quality Index | National Avg. |
Royston, GA | 3,009 | 44 | 12.0% |
Moundville, AL | 3,008 | 35 | 30.0% |
Afton, MN | 3,008 | 46 | 8.0% |
Montgomery, MN | 3,008 | 46 | 8.0% |
Gloverville, SC | 3,008 | 47 | 6.0% |
Round Lake Heights, IL | 3,009 | 39 | 22.0% |