Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 15°F | 32°F | 23°F | 3.9" |
February | 16°F | 34°F | 25°F | 2.5" |
March | 30°F | 49°F | 38°F | 3.6" |
April | 40°F | 64°F | 51°F | 5.7" |
May | 51°F | 75°F | 62°F | 7.1" |
June | 60°F | 83°F | 71°F | 7.2" |
July | 63°F | 85°F | 74°F | 7.6" |
August | 61°F | 83°F | 72°F | 7.2" |
September | 53°F | 78°F | 65°F | 6.0" |
October | 43°F | 65°F | 53°F | 4.0" |
November | 31°F | 51°F | 40°F | 8.0" |
December | 20°F | 36°F | 28°F | 4.2" |
Index | Nelson | Illinois | National |
Air quality index | 42 | 41 | 42 |
Pollution index | 2,097,740 | 3,148,694 | 2,726,193 |
Measurement | Total |
Days measured | 364 |
Days with good air quality | 268 |
Days with moderate air quality | 96 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.060% |
Carbon Tetrachloride | 0.000% |
Lead | 0.001% |
Mercury | 0.300% |
City | Population | Air Quality Index | National Avg. |
Amboy, IL | 2,453 | 0 | 100.0% |
Dixon, IL | 15,544 | 42 | 16.0% |
Milledgeville, IL | 987 | 42 | 16.0% |
Sterling, IL | 14,774 | 42 | 16.0% |
Deer Grove, IL | 33 | 42 | 16.0% |
Nelson, IL | 132 | 42 | 16.0% |
City | Population | Air Quality Index | National Avg. |
Yellow Bluff, AL | 132 | 52 | 4.0% |
Vallecito, CA | 132 | 39 | 22.0% |
Otter Creek, FL | 132 | 35 | 30.0% |
Blockton, IA | 132 | 43 | 14.0% |
Geneva, IA | 132 | 15 | 70.0% |
Nelson, IL | 132 | 42 | 16.0% |