Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 25°F | 41°F | 32°F | 8.1" |
February | 27°F | 44°F | 34°F | 1.6" |
March | 39°F | 58°F | 47°F | 5.3" |
April | 48°F | 69°F | 58°F | 10.0" |
May | 57°F | 77°F | 66°F | 5.8" |
June | 66°F | 86°F | 76°F | 3.6" |
July | 68°F | 87°F | 77°F | 8.5" |
August | 66°F | 86°F | 75°F | 10.2" |
September | 59°F | 81°F | 69°F | 6.4" |
October | 48°F | 70°F | 58°F | 6.6" |
November | 37°F | 57°F | 46°F | 6.8" |
December | 30°F | 45°F | 37°F | 4.1" |
Index | Fairfield | Illinois | National |
Air quality index | 43 | 41 | 42 |
Pollution index | 317,387 | 3,148,694 | 2,726,193 |
Measurement | Total |
Days measured | 344 |
Days with good air quality | 269 |
Days with moderate air quality | 74 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.000% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Keenes, IL | 53 | 43 | 14.0% |
Belle Prairie City, IL | 75 | 43 | 14.0% |
Golden Gate, IL | 121 | 43 | 14.0% |
Cisne, IL | 505 | 43 | 14.0% |
Mount Erie, IL | 114 | 43 | 14.0% |
Fairfield, IL | 4,912 | 43 | 14.0% |
City | Population | Air Quality Index | National Avg. |
Demarest, NJ | 4,911 | 51 | 2.0% |
Northvale, NJ | 4,911 | 51 | 2.0% |
Pascoag, RI | 4,911 | 44 | 12.0% |
Falmouth, VA | 4,911 | 47 | 6.0% |
Eagar, AZ | 4,910 | 44 | 12.0% |
Fairfield, IL | 4,912 | 43 | 14.0% |