Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 14°F | 30°F | 22°F | 2.3" |
February | 14°F | 31°F | 23°F | 2.8" |
March | 26°F | 45°F | 35°F | 3.7" |
April | 36°F | 58°F | 46°F | 5.9" |
May | 46°F | 71°F | 58°F | 4.8" |
June | 56°F | 79°F | 67°F | 7.8" |
July | 59°F | 82°F | 70°F | 11.4" |
August | 57°F | 81°F | 68°F | 5.4" |
September | 50°F | 74°F | 61°F | 7.1" |
October | 40°F | 61°F | 50°F | 5.8" |
November | 29°F | 48°F | 38°F | 5.2" |
December | 19°F | 34°F | 27°F | 3.3" |
Index | Richmond | Illinois | National |
Air quality index | 39 | 41 | 42 |
Pollution index | 4,811,660 | 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 | 0.004% |
Benzene | 0.080% |
Carbon Tetrachloride | 0.010% |
Lead | 0.040% |
Mercury | 0.010% |
City | Population | Air Quality Index | National Avg. |
Hebron, IL | 1,730 | 37 | 26.0% |
Lake Geneva, WI | 7,872 | 37 | 26.0% |
Walworth, WI | 2,835 | 37 | 26.0% |
Lake Ivanhoe, WI | 398 | 37 | 26.0% |
Springfield, WI | 131 | 37 | 26.0% |
Richmond, IL | 2,106 | 39 | 22.0% |
City | Population | Air Quality Index | National Avg. |
Drummond, NB | 2,106 | n/a | |
Pawling, NY | 2,105 | 36 | 28.0% |
St. Mary's, NS | 2,105 | n/a | |
Balgonie, SK | 2,105 | n/a | |
Burns Harbor, IN | 2,107 | 37 | 26.0% |
Richmond, IL | 2,106 | 39 | 22.0% |