Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 25°F | 41°F | 32°F | 3.3" |
February | 27°F | 43°F | 34°F | 2.1" |
March | 38°F | 57°F | 46°F | 4.7" |
April | 48°F | 70°F | 58°F | 9.5" |
May | 58°F | 78°F | 67°F | 4.8" |
June | 66°F | 86°F | 75°F | 2.2" |
July | 67°F | 87°F | 76°F | 8.0" |
August | 65°F | 86°F | 75°F | 1.7" |
September | 57°F | 81°F | 68°F | 5.4" |
October | 47°F | 70°F | 57°F | 1.8" |
November | 37°F | 56°F | 45°F | 6.7" |
December | 30°F | 44°F | 36°F | 2.5" |
Index | Browns | Illinois | National |
Air quality index | 36 | 41 | 42 |
Pollution index | 317,387 | 3,148,694 | 2,726,193 |
Measurement | Total |
Days measured | 359 |
Days with good air quality | 328 |
Days with moderate air quality | 31 |
Days w/ poor A.Q. for sensitive groups | 0 |
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. |
Keensburg, IL | 111 | 36 | 28.0% |
Allendale, IL | 655 | 36 | 28.0% |
Mount Carmel, IL | 6,922 | 36 | 28.0% |
Albion, IL | 2,215 | 36 | 28.0% |
Parkersburg, IL | 223 | 36 | 28.0% |
Browns, IL | 226 | 36 | 28.0% |
City | Population | Air Quality Index | National Avg. |
Fredonia, AL | 226 | 42 | 16.0% |
Keo, AR | 226 | 45 | 10.0% |
Lynn, AR | 226 | 45 | 10.0% |
Sierra Village, CA | 226 | 39 | 22.0% |
Volga, IA | 226 | 39 | 22.0% |
Browns, IL | 226 | 36 | 28.0% |