Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 19°F | 35°F | 27°F | 3.7" |
February | 20°F | 37°F | 28°F | 2.9" |
March | 33°F | 52°F | 41°F | 4.7" |
April | 42°F | 66°F | 53°F | 5.6" |
May | 54°F | 76°F | 64°F | 6.5" |
June | 63°F | 84°F | 73°F | 7.6" |
July | 65°F | 85°F | 75°F | 10.4" |
August | 62°F | 83°F | 72°F | 7.8" |
September | 55°F | 79°F | 66°F | 7.6" |
October | 44°F | 66°F | 54°F | 4.3" |
November | 34°F | 53°F | 42°F | 5.5" |
December | 24°F | 39°F | 31°F | 3.5" |
Index | Fairbury | Illinois | National |
Air quality index | 44 | 41 | 42 |
Pollution index | 7,745,200 | 3,148,694 | 2,726,193 |
Measurement | Total |
Days measured | 364 |
Days with good air quality | 256 |
Days with moderate air quality | 108 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.030% |
Benzene | 0.070% |
Carbon Tetrachloride | 0.020% |
Lead | 0.860% |
Mercury | 0.210% |
City | Population | Air Quality Index | National Avg. |
Saunemin, IL | 398 | 0 | 100.0% |
Cullom, IL | 501 | 0 | 100.0% |
Kempton, IL | 317 | 0 | 100.0% |
Melvin, IL | 397 | 42 | 16.0% |
Anchor, IL | 241 | 44 | 12.0% |
Fairbury, IL | 3,604 | 44 | 12.0% |
City | Population | Air Quality Index | National Avg. |
Pine Lawn, MO | 3,604 | 54 | 8.0% |
Frederick, OK | 3,604 | 43 | 14.0% |
Delta, UT | 3,604 | 46 | 8.0% |
Saluda, SC | 3,603 | 47 | 6.0% |
Okanagan-Similkameen C, BC | 3,603 | n/a | |
Fairbury, IL | 3,604 | 44 | 12.0% |